/* ========== 子页面顶栏 ========== */
.page-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 56px;
    display: flex;
    align-items: center;
    padding: 0 16px;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.page-back {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--accent);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    padding: 6px 10px;
    border-radius: 10px;
    transition: background 0.2s;
}

.page-back:hover {
    background: rgba(37,99,235,0.06);
}

.page-title {
    flex: 1;
    text-align: center;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-right: 60px;
}

.page-body {
    padding-top: 72px;
    padding-bottom: 40px;
    min-height: 100vh;
}

/* ========== 底部导航栏 ========== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: space-around;
    height: 60px;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(0,0,0,0.06);
    padding-bottom: env(safe-area-inset-bottom);
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 500;
    padding: 6px 16px;
    transition: color 0.2s;
}

.bottom-nav-item.active,
.bottom-nav-item:hover {
    color: var(--accent);
}

.bottom-nav-item.active svg,
.bottom-nav-item:hover svg {
    stroke: var(--accent);
}

/* ========== 基础变量 ========== */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f7f8fa;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f2f5;
    --border: #e5e7eb;
    --text-primary: #1a1a2e;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --accent: #2563eb;
    --accent-light: #3b82f6;
    --accent-glow: rgba(37, 99, 235, 0.15);
    --gradient: linear-gradient(135deg, #2563eb, #3b82f6);
    --gradient-text: linear-gradient(135deg, #2563eb, #1d4ed8);
    --success: #10b981;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 4px 24px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #ffffff;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

/* ========== 按钮 (Apple Glassmorphism) ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 36px;
    border-radius: 16px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    gap: 8px;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.2px;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #fff;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25), 0 0 0 1px rgba(255,255,255,0.1) inset;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.35), 0 0 0 1px rgba(255,255,255,0.15) inset;
    filter: brightness(1.08);
}

.btn-primary:active {
    transform: translateY(0);
    filter: brightness(0.95);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    color: var(--text-primary);
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 0 0 1px rgba(255,255,255,0.7) inset;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(255,255,255,0.9) inset;
    color: var(--accent);
}

.btn-outline:active {
    transform: translateY(0);
    background: rgba(255, 255, 255, 0.5);
}

.btn-sm {
    padding: 10px 24px;
    font-size: 13px;
    border-radius: 12px;
}

/* ========== 导航 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav-title {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
}

.logo-svg {
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    border-radius: 12px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #fff;
    border: none;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2), 0 0 0 1px rgba(255,255,255,0.1) inset;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3), 0 0 0 1px rgba(255,255,255,0.15) inset;
    filter: brightness(1.06);
}

.nav-cta:active {
    transform: translateY(0);
    filter: brightness(0.95);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
}

/* ========== Hero ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: transparent;
}

.hero-content {
    position: relative;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 12px;
    background: rgba(37, 99, 235, 0.06);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(37, 99, 235, 0.12);
    color: var(--accent);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 32px;
}

.hero h1 {
    font-size: clamp(40px, 7vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
}

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

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

.trust-num {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.trust-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

.trust-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* ========== 通用标题 ========== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 10px;
    background: rgba(37, 99, 235, 0.06);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(37, 99, 235, 0.1);
    color: var(--accent);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* ========== 快捷导航 ========== */
.quick-nav {
    padding: 32px 0 16px;
}

.quick-nav-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px 0;
    padding: 0;
}

.quick-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 12px 8px;
    border-radius: 16px;
    background: transparent;
    border: none;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    color: var(--text-primary);
}

.quick-nav-item:hover {
    transform: translateY(-2px);
}

.quick-nav-item:active {
    transform: scale(0.96);
}

.quick-nav-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quick-nav-item span {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* ========== 通用内容区块 ========== */
.content-section {
    padding: 80px 0;
}

.content-section.alt-bg {
    background: var(--bg-secondary);
}

/* ========== 简介卡片 ========== */
.intro-card {
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(0,0,0,0.06);
    border-radius: 16px;
    padding: 24px 20px;
    margin-top: 20px;
    text-align: left;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.intro-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.intro-card p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

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

.intro-tag {
    display: inline-block;
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 500;
    color: var(--accent);
    background: rgba(37,99,235,0.06);
    border-radius: 8px;
    border: 1px solid rgba(37,99,235,0.1);
}

.intro-card + .intro-card {
    margin-top: 12px;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(37,99,235,0.04);
    border-radius: 12px;
    border: 1px solid rgba(37,99,235,0.08);
}

.contact-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--accent);
    text-decoration: none;
}

.contact-link:hover {
    text-decoration: underline;
}

.section-note {
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    margin-top: 20px;
}

/* ========== 价格表 ========== */
.price-table {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.06);
    background: #fff;
}

.price-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    padding: 16px 24px;
    border-bottom: 1px solid rgba(0,0,0,0.04);
    font-size: 14px;
    color: var(--text-secondary);
    transition: background 0.2s;
}

.price-row:last-child {
    border-bottom: none;
}

.price-row:not(.price-header):hover {
    background: rgba(37,99,235,0.02);
}

.price-header {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #fff;
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.price-row span:first-child {
    font-weight: 600;
    color: var(--text-primary);
}

.price-header span:first-child {
    color: #fff;
}

/* ========== 细节卡片 ========== */
.detail-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.detail-card {
    background: rgba(255,255,255,0.6);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(0,0,0,0.04);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}

.detail-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}

.detail-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 14px;
    background: rgba(37,99,235,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.detail-text {
    flex: 1;
    min-width: 0;
}

.detail-card h3,
.detail-text h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
}

.detail-card p,
.detail-text p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== 注意事项列表 ========== */
.notice-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.notice-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 24px;
    background: rgba(255,255,255,0.6);
    border: 1px solid rgba(0,0,0,0.04);
    border-radius: 16px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
    transition: all 0.3s ease;
}

.notice-item:hover {
    background: rgba(255,255,255,0.9);
    box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}

.notice-num {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
}

.notice-text h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.notice-text p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== 展示卡片网格 ========== */
.showcase-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.showcase-card {
    background: rgba(255,255,255,0.6);
    border: 1px solid rgba(0,0,0,0.04);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}

.showcase-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}

.showcase-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: rgba(16,185,129,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.showcase-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.showcase-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== 火烧展示 ========== */
.burn-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.burn-card {
    background: rgba(255,255,255,0.6);
    border: 1px solid rgba(0,0,0,0.04);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: center;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
    transition: all 0.3s ease;
}

.burn-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}

.burn-num {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    margin: 0 auto 16px;
    box-shadow: 0 4px 12px rgba(239,68,68,0.25);
}

.burn-step h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.burn-step p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== 购买保障 ========== */
.guarantee-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.guarantee-card {
    background: rgba(255,255,255,0.6);
    border: 1px solid rgba(0,0,0,0.04);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
    transition: all 0.3s ease;
}

.guarantee-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}

.guarantee-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    border-radius: 16px;
    background: rgba(37,99,235,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.guarantee-text {
    flex: 1;
    min-width: 0;
}

.guarantee-card h3,
.guarantee-text h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
}

.guarantee-card p,
.guarantee-text p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== Contact ========== */
.contact-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.contact-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-lg);
    padding: 40px 28px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(255,255,255,0.8) inset;
}

.contact-card:hover {
    background: rgba(255, 255, 255, 0.85);
    border-color: rgba(37, 99, 235, 0.15);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(255,255,255,0.9) inset;
}

.contact-icon-wrap {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.contact-icon-wrap.blue {
    background: rgba(37, 99, 235, 0.08);
}

.contact-icon-wrap.purple {
    background: rgba(139, 92, 246, 0.08);
}

.contact-icon-wrap.green {
    background: rgba(16, 185, 129, 0.08);
}

.contact-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.contact-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
    line-height: 1.6;
}

/* ========== Footer ========== */
.footer {
    padding: 60px 0 80px;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 16px;
    line-height: 1.7;
}

.footer-links h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    font-size: 14px;
    padding: 4px 0;
    transition: var(--transition);
}

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

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

.footer-bottom p {
    color: var(--text-muted);
    font-size: 13px;
}

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

.hero-content > * {
    animation: fadeInUp 0.6s ease forwards;
}

.hero-content > *:nth-child(2) { animation-delay: 0.1s; }
.hero-content > *:nth-child(3) { animation-delay: 0.2s; }
.hero-content > *:nth-child(4) { animation-delay: 0.3s; }
.hero-content > *:nth-child(5) { animation-delay: 0.4s; }

/* ========== 响应式 — 平板 ========== */
@media (max-width: 968px) {
    .nav-links { display: none; }
    .nav-cta { display: none; }
    .mobile-menu-btn { display: block; }
    .detail-cards { grid-template-columns: 1fr; }
    .showcase-grid { grid-template-columns: 1fr; }
    .burn-showcase { grid-template-columns: 1fr; }
    .guarantee-grid { grid-template-columns: 1fr; }
    .contact-cards { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; gap: 30px; }
}

/* ========== 响应式 — 手机（App 风格） ========== */
@media (max-width: 768px) {
    /* 安全区域 */
    body {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
        -webkit-tap-highlight-color: transparent;
        -webkit-text-size-adjust: 100%;
    }

    .container {
        padding: 0 20px;
    }

    /* 导航 — App 顶栏风格 */
    .navbar {
        padding: 12px 0;
    }

    .logo {
        font-size: 17px;
        gap: 8px;
    }

    .logo-svg {
        width: 24px;
        height: 24px;
    }

    .mobile-menu-btn {
        width: 44px;
        height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 12px;
        font-size: 22px;
    }

    .mobile-menu-btn:active {
        background: rgba(0,0,0,0.04);
    }

    /* Hero — 紧凑型 */
    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }

    .hero-badge {
        font-size: 12px;
        padding: 6px 14px;
        margin-bottom: 20px;
    }

    .hero-badge svg {
        width: 14px;
        height: 14px;
    }

    .hero h1 {
        font-size: 32px;
        letter-spacing: -0.5px;
        margin-bottom: 16px;
    }

    .hero-desc {
        font-size: 15px;
        line-height: 1.7;
        margin: 0 auto 28px;
        padding: 0 8px;
    }

    .hero-desc br {
        display: none;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        margin-bottom: 40px;
        padding: 0 16px;
    }

    .hero-actions .btn {
        width: 100%;
        padding: 16px 24px;
        font-size: 16px;
        border-radius: 14px;
        justify-content: center;
    }

    .hero-trust {
        flex-direction: row;
        gap: 0;
        background: rgba(255,255,255,0.6);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-radius: 16px;
        border: 1px solid rgba(0,0,0,0.04);
        padding: 20px 8px;
        margin: 0 8px;
        box-shadow: 0 1px 2px rgba(0,0,0,0.03);
    }

    .trust-item {
        flex: 1;
    }

    .trust-num {
        font-size: 22px;
    }

    .trust-label {
        font-size: 11px;
    }

    .trust-divider {
        width: 1px;
        height: 32px;
    }

    /* 通用标题 */
    .section-header {
        margin-bottom: 32px;
    }

    .section-header h2 {
        font-size: 24px;
    }

    .section-header p {
        font-size: 14px;
        padding: 0 8px;
    }

    .section-badge {
        font-size: 12px;
        padding: 5px 12px;
    }

    /* 快捷导航 — 4列网格 */
    .quick-nav {
        padding: 20px 0 8px;
    }

    .quick-nav-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 12px 0;
    }

    .quick-nav-item {
        padding: 12px 4px;
        border-radius: 14px;
        gap: 6px;
    }

    .quick-nav-icon {
        width: 44px;
        height: 44px;
        border-radius: 12px;
    }

    .quick-nav-icon svg {
        width: 22px;
        height: 22px;
    }

    .quick-nav-item span {
        font-size: 11px;
    }

    /* 内容区块 — 紧凑间距 */
    .content-section {
        padding: 48px 0;
    }

    /* 价格表 */
    .price-table {
        border-radius: 14px;
    }

    .price-row {
        padding: 14px 16px;
        font-size: 13px;
    }

    .price-header {
        font-size: 12px;
    }

    /* 细节卡片 — 单列 */
    .detail-cards {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .detail-card {
        padding: 20px 16px;
        border-radius: 14px;
    }

    .detail-icon {
        width: 42px;
        height: 42px;
        min-width: 42px;
        border-radius: 12px;
    }

    /* 注意事项 */
    .notice-item {
        padding: 16px;
        border-radius: 14px;
    }

    .notice-num {
        width: 36px;
        height: 36px;
        min-width: 36px;
        border-radius: 10px;
        font-size: 13px;
    }

    .notice-text h4 {
        font-size: 14px;
    }

    /* 展示卡片 — 单列 */
    .showcase-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .showcase-card {
        padding: 22px 18px;
        border-radius: 14px;
        display: flex;
        align-items: center;
        text-align: left;
        gap: 16px;
    }

    .showcase-icon {
        margin: 0;
        min-width: 48px;
        width: 48px;
        height: 48px;
    }

    /* 火烧展示 — 单列 */
    .burn-showcase {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .burn-card {
        padding: 20px 18px;
        border-radius: 14px;
        display: flex;
        align-items: flex-start;
        text-align: left;
    }

    .burn-step {
        display: flex;
        align-items: flex-start;
        gap: 14px;
    }

    .burn-num {
        margin: 0;
        width: 38px;
        height: 38px;
        min-width: 38px;
        font-size: 15px;
    }

    /* 购买保障 — 单列 */
    .guarantee-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .guarantee-card {
        padding: 20px 16px;
        border-radius: 14px;
    }

    .guarantee-icon {
        width: 44px;
        height: 44px;
        min-width: 44px;
        border-radius: 12px;
    }

    /* Contact — 全宽卡片 */
    .contact-cards {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .contact-card {
        padding: 24px 20px;
        border-radius: 14px;
    }

    .contact-icon-wrap {
        width: 48px;
        height: 48px;
        border-radius: 14px;
        margin-bottom: 14px;
    }

    .contact-card h3 {
        font-size: 16px;
        margin-bottom: 8px;
    }

    .contact-card p {
        font-size: 13px;
        margin-bottom: 16px;
    }

    .contact-card .btn-sm {
        width: 100%;
        padding: 12px 20px;
        font-size: 14px;
        justify-content: center;
    }

    /* Footer — 简洁版 */
    .footer {
        padding: 40px 0 24px;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
        margin-bottom: 24px;
    }

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

    .footer-brand p {
        font-size: 13px;
    }

    .footer-links h4 {
        font-size: 13px;
        margin-bottom: 12px;
    }

    .footer-links a {
        font-size: 13px;
        padding: 3px 0;
    }

    .footer-bottom {
        padding-top: 16px;
    }

    .footer-bottom p {
        font-size: 12px;
    }
}