/* ===== 全局变量 ===== */
:root {
    --primary: #0d3b66;
    --primary-light: #1a5a8e;
    --primary-dark: #082949;
    --accent: #d4860a;
    --accent-light: #f0a020;
    --accent-dark: #b8740a;
    --bg: #ffffff;
    --bg-alt: #f5f7fa;
    --bg-dark: #0a2540;
    --text: #1a2332;
    --text-light: #5a6b7d;
    --text-muted: #8b9bb0;
    --border: #e2e8f0;
    --success: #16a34a;
    --shadow-sm: 0 2px 8px rgba(13, 59, 102, 0.06);
    --shadow-md: 0 4px 20px rgba(13, 59, 102, 0.1);
    --shadow-lg: 0 12px 40px rgba(13, 59, 102, 0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== 通用按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 14px rgba(212, 134, 10, 0.3);
}

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 134, 10, 0.4);
}

.btn-ghost {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.8);
}

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

.btn-outline:hover {
    border-color: var(--primary);
    background: var(--bg-alt);
}

.btn-block {
    width: 100%;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 20px;
    color: var(--primary);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    border-radius: 8px;
    font-size: 22px;
    font-weight: 800;
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 15px;
    color: var(--text);
    font-weight: 500;
    transition: color 0.2s;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -22px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
}

.nav-cta {
    padding: 10px 24px;
    background: var(--accent);
    color: #fff;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
}

.nav-cta:hover {
    background: var(--accent-dark);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s;
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    padding: 80px 24px 40px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #0a2540 0%, #0d3b66 40%, #1a5a8e 100%);
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(212, 134, 10, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(26, 90, 142, 0.4) 0%, transparent 50%);
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    color: #fff;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(212, 134, 10, 0.15);
    border: 1px solid rgba(212, 134, 10, 0.4);
    border-radius: 50px;
    font-size: 14px;
    color: var(--accent-light);
    font-weight: 500;
    margin-bottom: 28px;
}

.hero-title {
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.highlight {
    color: var(--accent-light);
}

.underline-deco {
    position: relative;
    display: inline-block;
}

.underline-deco::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    right: 0;
    height: 8px;
    background: rgba(212, 134, 10, 0.35);
    z-index: -1;
    border-radius: 2px;
}

.hero-subtitle {
    font-size: clamp(15px, 2vw, 18px);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 36px;
    line-height: 1.8;
}

.bold-text {
    font-weight: 700;
    color: var(--accent-light);
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 64px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-num {
    font-size: clamp(32px, 5vw, 42px);
    font-weight: 800;
    color: var(--accent-light);
    line-height: 1;
}

.stat-unit {
    font-size: 18px;
    font-weight: 600;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 8px;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
}

/* ===== 信任栏 ===== */
.trust-bar {
    background: var(--bg-alt);
    padding: 32px 0;
    border-bottom: 1px solid var(--border);
}

.trust-items {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: var(--text);
    font-weight: 500;
}

.trust-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--success);
    color: #fff;
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
}

/* ===== Section 通用 ===== */
section {
    padding: 90px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(13, 59, 102, 0.08);
    color: var(--primary);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(24px, 3.5vw, 34px);
    font-weight: 800;
    color: var(--text);
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}

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

/* ===== 业务范围 ===== */
.services {
    background: var(--bg-alt);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.service-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

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

.service-card-primary {
    border-color: var(--primary);
    border-width: 2px;
}

.service-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.service-icon {
    font-size: 40px;
}

.service-card-header h3 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text);
}

.service-tag {
    padding: 4px 12px;
    background: var(--accent);
    color: #fff;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

.service-tag-alt {
    background: var(--primary);
}

.service-desc {
    color: var(--text-light);
    font-size: 15px;
    margin-bottom: 24px;
}

.service-scope {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.scope-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 12px;
}

.scope-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.scope-tag {
    padding: 6px 14px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-light);
    transition: all 0.2s;
}

.scope-tag:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.service-points {
    margin-bottom: 28px;
    flex-grow: 1;
}

.point-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 15px;
    color: var(--text);
}

.point-check {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: rgba(22, 163, 74, 0.1);
    color: var(--success);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    margin-top: 3px;
}

/* ===== 核心优势 ===== */
.advantage {
    background: #fff;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.advantage-card {
    padding: 32px 24px;
    border-radius: var(--radius);
    background: var(--bg-alt);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.advantage-card:hover {
    background: #fff;
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.advantage-num {
    font-size: 36px;
    font-weight: 800;
    color: var(--accent);
    opacity: 0.3;
    margin-bottom: 16px;
    line-height: 1;
}

.advantage-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.advantage-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ===== 资质背书 ===== */
.credentials {
    background: var(--bg-dark);
    color: #fff;
}

.credentials .section-title {
    color: #fff;
}

.credentials .section-desc {
    color: rgba(255, 255, 255, 0.7);
}

.credentials .section-tag {
    background: rgba(212, 134, 10, 0.15);
    color: var(--accent-light);
}

.credentials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.credential-card {
    text-align: center;
    padding: 36px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    transition: all 0.3s ease;
}

.credential-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent);
    transform: translateY(-4px);
}

.credential-icon {
    font-size: 44px;
    margin-bottom: 16px;
}

.credential-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.credential-card p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

.credentials-note {
    display: flex;
    gap: 20px;
    padding: 32px;
    background: rgba(212, 134, 10, 0.08);
    border: 1px solid rgba(212, 134, 10, 0.2);
    border-radius: var(--radius);
}

.note-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.note-text {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.9;
}

.note-text strong {
    color: var(--accent-light);
}

/* ===== 服务流程 ===== */
.process {
    background: var(--bg-alt);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}

.process-step {
    text-align: center;
    position: relative;
}

.step-num {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    font-size: 28px;
    font-weight: 800;
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(13, 59, 102, 0.25);
    position: relative;
    z-index: 2;
}

.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 32px;
    left: calc(50% + 40px);
    right: calc(-50% + 40px);
    height: 2px;
    background: repeating-linear-gradient(
        90deg,
        var(--border) 0,
        var(--border) 8px,
        transparent 8px,
        transparent 16px
    );
    z-index: 1;
}

.step-content h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
}

.step-content p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ===== 联系我们 ===== */
.contact {
    background: #fff;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-info .section-tag {
    margin-bottom: 16px;
}

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

.contact-desc {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 36px;
    line-height: 1.8;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-icon-wrap {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-alt);
    border-radius: var(--radius-sm);
    font-size: 22px;
}

.contact-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.contact-value {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
}

.contact-value:hover {
    color: var(--primary);
}

/* 联系表单 */
.contact-form-wrap {
    background: var(--bg-alt);
    border-radius: var(--radius);
    padding: 40px;
    border: 1px solid var(--border);
}

.contact-form h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

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

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

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

.required {
    color: #e53e3e;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: inherit;
    color: var(--text);
    background: #fff;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13, 59, 102, 0.08);
}

.form-group textarea {
    resize: vertical;
}

.form-privacy {
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 16px;
}

.form-success {
    text-align: center;
    padding: 40px 20px;
}

.success-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--success);
    color: #fff;
    font-size: 32px;
    font-weight: 700;
    border-radius: 50%;
}

.form-success h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.form-success p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
}

.form-success a {
    color: var(--primary);
    font-weight: 700;
}

/* ===== 底部 ===== */
.footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    margin-top: 16px;
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
}

.footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a,
.footer-col ul li {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.2s;
}

.footer-col ul li a:hover {
    color: var(--accent-light);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

/* ===== 悬浮按钮 ===== */
.float-contact {
    position: fixed;
    right: 24px;
    bottom: 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.float-btn {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 24px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
    cursor: pointer;
}

.float-phone {
    background: var(--success);
    color: #fff;
}

.float-phone:hover {
    transform: scale(1.1);
}

.float-form {
    background: var(--accent);
    color: #fff;
}

.float-form:hover {
    transform: scale(1.1);
    background: var(--accent-dark);
}

/* ===== 响应式 ===== */
@media (max-width: 968px) {
    .nav-menu {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu.active {
        display: flex;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: #fff;
        padding: 20px 24px;
        gap: 16px;
        box-shadow: var(--shadow-md);
        border-top: 1px solid var(--border);
    }

    .nav-cta {
        display: none;
    }

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

    .advantage-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .credentials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-timeline {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px 24px;
    }

    .process-step::after {
        display: none !important;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

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

    .hero-stats {
        gap: 24px;
    }
}

@media (max-width: 600px) {
    section {
        padding: 60px 0;
    }

    .hero {
        min-height: auto;
        padding: 100px 20px 60px;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .stat-divider {
        width: 60px;
        height: 1px;
    }

    .trust-items {
        gap: 20px;
    }

    .trust-item {
        font-size: 13px;
    }

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

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

    .process-timeline {
        grid-template-columns: 1fr;
    }

    .credentials-note {
        flex-direction: column;
        gap: 12px;
    }

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

    .service-card {
        padding: 28px 20px;
    }

    .contact-form-wrap {
        padding: 28px 20px;
    }
}

/* ===== 标书智能审查页 ===== */

/* 首页审查推广 */
.audit-promo {
    background: #fff;
    padding: 60px 0;
}

.audit-promo-card {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    border-radius: var(--radius);
    padding: 56px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.audit-promo-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(212, 134, 10, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.audit-promo-content {
    position: relative;
    z-index: 1;
}

.audit-promo-card .section-tag {
    background: rgba(212, 134, 10, 0.2);
    color: var(--accent-light);
}

.audit-promo-card h2 {
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 800;
    color: #fff;
    margin: 16px 0 16px;
}

.audit-promo-card p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 28px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.audit-promo-modes {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.promo-mode {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
}

.promo-mode-icon {
    font-size: 24px;
}

.promo-mode strong {
    color: var(--accent-light);
}

@media (max-width: 600px) {
    .audit-promo-card {
        padding: 40px 24px;
    }

    .audit-promo-modes {
        flex-direction: column;
        gap: 16px;
    }
}

/* 审查模式 */
.audit-modes {
    background: #fff;
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.mode-card {
    background: var(--bg-alt);
    border-radius: var(--radius);
    padding: 40px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
}

.mode-card:hover {
    background: #fff;
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.mode-card-a:hover {
    border-color: var(--primary);
}

.mode-card-b:hover {
    border-color: var(--accent);
}

.mode-label {
    position: absolute;
    top: -14px;
    left: 32px;
    padding: 4px 16px;
    background: var(--primary);
    color: #fff;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
}

.mode-label-b {
    background: var(--accent);
}

.mode-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.mode-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.mode-desc {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 24px;
}

.mode-when {
    padding: 16px 20px;
    background: rgba(13, 59, 102, 0.05);
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
}

.when-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.mode-when p {
    font-size: 14px;
    color: var(--text-light);
}

.mode-points {
    margin-bottom: 24px;
}

.mode-deliverable {
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.deliverable-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}

.mode-deliverable p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== 免费体验审查 ===== */
.demo-section {
    background: #fff;
    padding: 80px 24px;
}

.demo-tag {
    background: rgba(22, 163, 74, 0.1);
    color: var(--success);
    border: 1px solid rgba(22, 163, 74, 0.2);
}

.demo-controls {
    max-width: 700px;
    margin: 0 auto 0;
}

/* 模式选择 */
.demo-mode-select {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 24px;
}

.demo-mode-option {
    cursor: pointer;
}

.demo-mode-option input {
    display: none;
}

.demo-mode-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    text-align: center;
    background: #fff;
}

.demo-mode-card strong {
    font-size: 16px;
    color: var(--text);
    margin-bottom: 4px;
}

.demo-mode-card small {
    font-size: 13px;
    color: var(--text-muted);
}

.demo-mode-option.active .demo-mode-card,
.demo-mode-option input:checked + .demo-mode-card {
    border-color: var(--accent);
    background: rgba(212, 134, 10, 0.05);
    box-shadow: 0 0 0 3px rgba(212, 134, 10, 0.1);
}

/* 上传区域 */
.demo-upload-area {
    margin-bottom: 24px;
}

.upload-dropzone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg-alt);
}

.upload-dropzone:hover,
.upload-dropzone.dragover {
    border-color: var(--accent);
    background: rgba(212, 134, 10, 0.03);
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.upload-text {
    font-size: 16px;
    color: var(--text);
    margin-bottom: 8px;
}

.upload-text strong {
    color: var(--accent);
    cursor: pointer;
}

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

.upload-file-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(22, 163, 74, 0.05);
    border: 1px solid var(--success);
    border-radius: var(--radius-sm);
}

.file-name {
    font-weight: 600;
    font-size: 15px;
    color: var(--text);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-size {
    font-size: 13px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.file-remove {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border: none;
    background: rgba(220, 38, 38, 0.1);
    color: #dc2626;
    border-radius: 50%;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-start-demo {
    padding: 14px 24px;
    font-size: 17px;
}

.btn-start-demo:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 审查中动画 */
.demo-processing {
    max-width: 700px;
    margin: 0 auto;
    padding: 48px 32px;
    background: var(--bg-alt);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.processing-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 32px;
}

.processing-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.step-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 3px solid var(--border);
    background: #fff;
    transition: all 0.5s;
}

.processing-step.active .step-dot {
    border-color: var(--accent);
    background: var(--accent);
    animation: pulse 1s infinite;
}

.processing-step.done .step-dot {
    border-color: var(--success);
    background: var(--success);
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(212, 134, 10, 0.4); }
    50% { box-shadow: 0 0 0 12px rgba(212, 134, 10, 0); }
}

.step-label {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    white-space: nowrap;
}

.processing-step.active .step-label,
.processing-step.done .step-label {
    color: var(--text);
    font-weight: 600;
}

.processing-line {
    width: 60px;
    height: 2px;
    background: var(--border);
    margin: 0 8px;
    margin-bottom: 20px;
    transition: background 0.5s;
}

.processing-step.done + .processing-line {
    background: var(--success);
}

.processing-status {
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 16px;
}

.processing-bar {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}

.processing-bar-inner {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 2px;
    width: 0%;
    transition: width 0.5s;
}

/* 审查结果 */
.demo-result {
    max-width: 800px;
    margin: 0 auto;
}

.result-header {
    background: #fff;
    border-radius: var(--radius);
    padding: 32px;
    margin-bottom: 24px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.result-summary {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-bottom: 24px;
}

.result-score-circle {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 4px solid var(--accent);
    background: rgba(212, 134, 10, 0.05);
}

.score-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--accent-dark);
    line-height: 1;
}

.score-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.result-summary-text h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

.result-summary-text p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.result-stats {
    display: flex;
    gap: 16px;
}

.stat-item {
    flex: 1;
    padding: 16px;
    border-radius: var(--radius-sm);
    text-align: center;
}

.stat-high {
    background: rgba(220, 38, 38, 0.06);
}

.stat-medium {
    background: rgba(212, 134, 10, 0.06);
}

.stat-low {
    background: rgba(22, 163, 74, 0.06);
}

.stat-count {
    font-size: 28px;
    font-weight: 800;
    display: block;
    line-height: 1;
    margin-bottom: 4px;
}

.stat-high .stat-count { color: #dc2626; }
.stat-medium .stat-count { color: var(--accent-dark); }
.stat-low .stat-count { color: var(--success); }

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

/* 结果详情 */
.result-body {
    margin-bottom: 24px;
}

.result-risk-item {
    background: #fff;
    border-radius: var(--radius-sm);
    padding: 20px 24px;
    margin-bottom: 12px;
    border: 1px solid var(--border);
    border-left: 4px solid var(--border);
    transition: box-shadow 0.2s;
}

.result-risk-item:hover {
    box-shadow: var(--shadow-sm);
}

.risk-high {
    border-left-color: #dc2626;
}

.risk-medium {
    border-left-color: var(--accent);
}

.risk-low {
    border-left-color: var(--success);
}

.risk-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.risk-badge {
    padding: 2px 10px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.risk-high .risk-badge {
    background: rgba(220, 38, 38, 0.1);
    color: #dc2626;
}

.risk-medium .risk-badge {
    background: rgba(212, 134, 10, 0.1);
    color: var(--accent-dark);
}

.risk-low .risk-badge {
    background: rgba(22, 163, 74, 0.1);
    color: var(--success);
}

.risk-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
}

.risk-detail {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 10px;
}

.risk-suggestion {
    font-size: 13px;
    color: var(--primary);
    background: rgba(13, 59, 102, 0.04);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    line-height: 1.6;
}

.risk-suggestion strong {
    color: var(--primary-dark);
}

.result-footer {
    text-align: center;
    padding: 28px;
    background: var(--bg-alt);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.result-disclaimer {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .demo-mode-select {
        grid-template-columns: 1fr;
    }

    .processing-steps {
        flex-direction: column;
        gap: 8px;
    }

    .processing-line {
        width: 2px;
        height: 20px;
        margin: 0 0 0 9px;
    }

    .processing-step {
        flex-direction: row;
        gap: 12px;
    }

    .step-label {
        text-align: left;
    }

    .result-summary {
        flex-direction: column;
        text-align: center;
    }

    .result-stats {
        flex-direction: column;
    }
}

/* 定价 */
.pricing {
    background: var(--bg-alt);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.pricing-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 40px 32px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
}

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

.pricing-card-featured {
    border: 2px solid var(--accent);
    box-shadow: var(--shadow-md);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 20px;
    background: var(--accent);
    color: #fff;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.pricing-header h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}

.pricing-sub {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    margin-bottom: 12px;
}

.pricing-price-consult .price-amount {
    font-size: 26px;
    font-weight: 800;
    color: var(--accent);
}

.pricing-price-consult .price-unit {
    margin-left: 8px;
}

.price-currency {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
}

.price-amount {
    font-size: 42px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.price-unit {
    font-size: 15px;
    color: var(--text-muted);
    margin-left: 4px;
}

.pricing-desc {
    font-size: 14px;
    color: var(--text-light);
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
    min-height: 44px;
}

.pricing-features {
    flex-grow: 1;
    margin-bottom: 28px;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--text);
}

.check-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: rgba(22, 163, 74, 0.1);
    color: var(--success);
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    margin-top: 2px;
}

.pricing-note {
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* 下单流程 */
.order-section {
    background: #fff;
}

.order-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.order-step {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: var(--bg-alt);
    border-radius: var(--radius-sm);
    max-width: 280px;
}

.order-step-num {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    font-size: 16px;
    font-weight: 700;
}

.order-step p {
    font-size: 14px;
    color: var(--text);
    line-height: 1.5;
}

.order-arrow {
    font-size: 24px;
    color: var(--text-muted);
}

/* 下单表单 */
.order-form-wrap {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-alt);
    border-radius: var(--radius);
    padding: 40px;
    border: 1px solid var(--border);
}

.order-form h3,
.order-success h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* 服务选择卡片 */
.service-select-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.service-radio {
    cursor: pointer;
}

.service-radio input {
    display: none;
}

.service-radio-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 12px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    background: #fff;
}

.service-radio input:checked + .service-radio-card {
    border-color: var(--accent);
    background: rgba(212, 134, 10, 0.05);
    box-shadow: 0 0 0 3px rgba(212, 134, 10, 0.1);
}

.service-radio-card:hover {
    border-color: var(--accent-light);
}

.service-radio-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}

.service-radio-desc {
    font-size: 12px;
    color: var(--text-muted);
}

/* 下单成功 */
.order-success {
    text-align: center;
    padding: 20px 0;
}

.success-icon-big {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--success);
    color: #fff;
    font-size: 36px;
    font-weight: 700;
    border-radius: 50%;
    animation: pop 0.4s ease;
}

@keyframes pop {
    0% { transform: scale(0); }
    60% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

.success-service {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(212, 134, 10, 0.1);
    color: var(--accent-dark);
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    margin: 16px 0 32px;
}

.success-next-steps {
    text-align: left;
    background: #fff;
    border-radius: var(--radius-sm);
    padding: 28px;
    margin-bottom: 24px;
    border: 1px solid var(--border);
}

.success-next-steps h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 16px;
}

.success-next-steps ol {
    padding-left: 20px;
}

.success-next-steps li {
    font-size: 14px;
    color: var(--text);
    line-height: 1.8;
    margin-bottom: 12px;
}

.success-next-steps strong {
    color: var(--primary);
}

.success-contact {
    margin-bottom: 28px;
}

.success-contact a {
    color: var(--primary);
    font-weight: 700;
    font-size: 18px;
}

.qrcode-box {
    text-align: center;
    margin-top: 24px;
    padding: 20px;
    background: #fff;
    border-radius: var(--radius-sm);
    border: 1px dashed var(--border);
}

.qrcode-box img {
    width: 160px;
    height: 160px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
}

.qrcode-box p {
    font-size: 13px;
    color: var(--text-light);
    margin: 0;
}

.contact-info .qrcode-box {
    margin-top: 28px;
    background: var(--bg-alt);
}

/* 常见问题 */
.faq {
    background: var(--bg-alt);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: box-shadow 0.2s;
}

.faq-item:hover {
    box-shadow: var(--shadow-sm);
}

.faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}

.faq-toggle {
    font-size: 24px;
    color: var(--text-muted);
    transition: transform 0.3s;
    flex-shrink: 0;
}

.faq-item.open .faq-toggle {
    transform: rotate(45deg);
}

.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 24px;
}

.faq-item.open .faq-a {
    max-height: 300px;
    padding: 0 24px 20px;
}

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

/* CTA横幅 */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    text-align: center;
    padding: 64px 24px;
}

.cta-banner h2 {
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
}

.cta-banner p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 28px;
}

.cta-banner .btn-primary {
    font-size: 17px;
    padding: 16px 40px;
}

/* ===== 审查页响应式 ===== */
@media (max-width: 968px) {
    .modes-grid {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin-left: auto;
        margin-right: auto;
    }

    .service-select-grid {
        grid-template-columns: 1fr;
    }

    .order-steps {
        flex-direction: column;
    }

    .order-arrow {
        transform: rotate(90deg);
    }

/* ===== 资格项速检报告 ===== */
.unlock-box {
    text-align: center;
    padding: 24px;
    background: var(--bg-alt);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    border: 1px dashed var(--primary);
}

.unlock-tip {
    font-size: 15px;
    color: var(--text);
    margin-bottom: 16px;
}

.unlock-hint {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 10px;
}

.unlock-pay {
    text-align: center;
    padding: 24px;
    background: #fff;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    border: 1px solid var(--border);
}

.unlock-pay .qrcode-img {
    width: 180px;
    height: 180px;
    margin: 14px auto;
    display: block;
}

.pay-tip {
    font-size: 15px;
    color: var(--text);
    margin-bottom: 6px;
}

.result-locked {
    text-align: center;
    padding: 28px 20px;
    background: linear-gradient(135deg, rgba(31, 72, 148, 0.05), rgba(31, 72, 148, 0.1));
    border: 1px dashed var(--primary);
    border-radius: var(--radius-sm);
    margin-top: 16px;
}

.locked-text {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 18px;
}

.qual-item {
    border: 1px solid var(--border);
    border-left-width: 4px;
    border-radius: var(--radius-sm);
    padding: 18px 20px;
    margin-bottom: 14px;
    background: #fff;
}

.qual-high {
    border-left-color: #e74c3c;
}

.qual-medium {
    border-left-color: #f39c12;
}

.qual-low {
    border-left-color: #27ae60;
}

.qual-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.qual-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
}

.qual-check,
.qual-risk,
.qual-advice {
    font-size: 13px;
    line-height: 1.75;
    color: var(--text-light);
    margin-bottom: 8px;
}

.qual-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    background: rgba(31, 72, 148, 0.08);
    border-radius: 4px;
    padding: 2px 8px;
    margin-right: 8px;
}

.qual-tag-risk {
    color: #e74c3c;
    background: rgba(231, 76, 60, 0.08);
}

.qual-tag-advice {
    color: #27ae60;
    background: rgba(39, 174, 96, 0.08);
}

.pricing-extra {
    display: inline-block;
    margin: 10px 0 4px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    background: rgba(31, 72, 148, 0.08);
    border-radius: 20px;
    padding: 4px 14px;
}

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .mode-card {
        padding: 28px 20px;
    }

    .order-form-wrap {
        padding: 28px 20px;
    }

    .pricing-card {
        padding: 32px 24px;
    }

    .cta-banner h2 {
        font-size: 22px;
    }
}