:root {
    --brand-primary: #6f6bff;
    --brand-secondary: #f35f8d;
    --brand-accent: #2dd4bf;
    --surface-light: rgba(255, 255, 255, 0.95);
    --surface-dark: rgba(18, 18, 43, 0.85);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-faint: #94a3b8;
    --page-bg: radial-gradient(circle at 5% 10%, rgba(111, 107, 255, 0.25), transparent 45%),
        radial-gradient(circle at 95% 0%, rgba(243, 95, 141, 0.25), transparent 40%),
        #f4f5fb;
    --card-shadow: 0 15px 40px rgba(15, 23, 42, 0.08);
    --border-soft: rgba(148, 163, 184, 0.3);
}

* {
    box-sizing: border-box;
}

html, body {
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
    position: relative;
}

body {
    margin: 0;
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--page-bg);
    color: var(--text-primary);
    line-height: 1.6;
}

.page-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    position: relative;
}

.container {
    width: min(1200px, calc(100% - 48px));
    margin: 0 auto;
}

.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0 12px;
}

.brand-mark {
    font-weight: 700;
    font-size: 22px;
    color: var(--brand-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-tag {
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 999px;
    background: rgba(111, 107, 255, 0.12);
    color: var(--brand-primary);
    font-weight: 600;
}

.nav-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.hero {
    position: relative;
    padding: 30px 0 60px;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 0%, rgba(111, 107, 255, 0.25), transparent 55%);
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    align-items: center;
    padding-top: 10px;
}

.hero-text h1 {
    font-size: clamp(32px, 4vw, 54px);
    line-height: 1.2;
    margin: 0 0 20px;
}

.hero-intro {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 16px;
}

.hero-tags {
    display: inline-flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.badge-soft {
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.hero-cta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.btn-primary-solid,
.btn-ghost {
    border-radius: 999px;
    padding: 12px 26px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.btn-primary-solid {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    color: #fff;
    box-shadow: 0 10px 30px rgba(111, 107, 255, 0.35);
}

.btn-primary-solid:hover {
    transform: translateY(-2px);
}

.btn-ghost {
    border: 1px solid rgba(111, 107, 255, 0.4);
    color: var(--brand-primary);
    background: #fff;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 18px;
}

.stat-card {
    padding: 16px;
    border-radius: 18px;
    background: var(--surface-light);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: var(--card-shadow);
}

.stat-value {
    font-size: 26px;
    font-weight: 700;
    color: var(--brand-primary);
}

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

.hero-side-card {
    padding: 24px;
    border-radius: 24px;
    background: var(--surface-dark);
    color: #fff;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.45);
}

.side-card-title {
    font-size: 18px;
    margin: 0 0 16px;
}

.side-card-item {
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section {
    padding: 60px 0;
}

.section-heading {
    text-align: center;
    margin-bottom: 32px;
}

.section-heading h2 {
    margin: 0;
    font-size: 32px;
}

.section-heading p {
    color: var(--text-secondary);
    margin-top: 12px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 22px;
}

.order-card {
    background: #fff;
    border-radius: 20px;
    padding: 20px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-soft);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.order-card h3 {
    margin: 0;
    font-size: 18px;
}

.order-desc {
    color: var(--text-secondary);
    font-size: 14px;
    flex: 1;
}

.order-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(45, 212, 191, 0.15);
    color: var(--brand-accent);
    font-size: 13px;
}

.workflow-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

.workflow-step {
    padding: 20px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px dashed rgba(111, 107, 255, 0.3);
    box-shadow: var(--card-shadow);
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-bottom: 10px;
}

.personas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.persona-card {
    padding: 24px;
    border-radius: 24px;
    background: #fff;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-soft);
}

.persona-icon {
    font-size: 28px;
    margin-bottom: 12px;
}

.cta-ribbon {
    padding: 40px 0 60px;
}

.cta-box {
    padding: 28px 32px;
    border-radius: 28px;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    color: #fff;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
    justify-content: space-between;
}

.cta-box h3 {
    margin: 0;
    font-size: 26px;
}

.page-footer {
    padding: 24px 0 40px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

/* 移动端优化 - 仅影响手机端，不影响桌面端 */
@media (max-width: 768px) {
    /* 防止移动端抖动和性能优化 */
    * {
        -webkit-tap-highlight-color: transparent;
        -webkit-touch-callout: none;
    }
    
    body {
        -webkit-overflow-scrolling: touch;
        overflow-x: hidden;
        position: relative;
    }
    
    .page-shell {
        overflow-x: hidden;
        position: relative;
    }
    
    /* 禁用移动端hover效果，防止意外触发 */
    .btn-primary-solid:hover,
    .btn-ghost:hover {
        transform: none;
    }
    
    .btn-primary-solid:active,
    .btn-ghost:active {
        transform: scale(0.98);
        opacity: 0.9;
    }
    
    .container {
        width: calc(100% - 32px);
        padding: 0 16px;
        max-width: 100%;
    }
    
    /* 导航栏优化 */
    .top-nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        padding: 20px 0 16px;
    }
    
    .brand-mark {
        font-size: 20px;
        width: 100%;
    }
    
    .brand-tag {
        font-size: 11px;
        padding: 2px 8px;
    }
    
    .nav-actions {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        position: relative;
    }
    
    .nav-actions a {
        justify-content: center;
        padding: 10px 16px;
        font-size: 14px;
        white-space: nowrap;
        min-height: 44px;
        display: flex;
        align-items: center;
        touch-action: manipulation;
    }
    
    .nav-actions a:last-child {
        grid-column: 1 / -1;
    }
    
    /* Hero区域优化 */
    .hero {
        padding: 20px 0 40px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 24px;
        padding-top: 0;
    }
    
    .hero-text h1 {
        font-size: 28px;
        line-height: 1.3;
        margin-bottom: 16px;
    }
    
    .hero-intro {
        font-size: 15px;
        line-height: 1.6;
        margin-bottom: 20px;
    }
    
    .hero-tags {
        gap: 8px;
        margin-bottom: 16px;
    }
    
    .badge-soft {
        padding: 5px 12px;
        font-size: 12px;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 12px;
        margin-bottom: 24px;
    }
    
    .hero-cta a {
        width: 100%;
        justify-content: center;
        padding: 14px 24px;
        font-size: 15px;
        min-height: 48px;
        touch-action: manipulation;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .stat-card {
        padding: 14px;
        border-radius: 16px;
    }
    
    .stat-value {
        font-size: 24px;
    }
    
    .stat-label {
        font-size: 12px;
        margin-top: 4px;
    }
    
    .hero-side-card {
        padding: 20px;
        border-radius: 20px;
    }
    
    .side-card-title {
        font-size: 16px;
        margin-bottom: 14px;
    }
    
    .side-card-item {
        padding: 12px 14px;
        border-radius: 14px;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .side-card-item > div:last-child {
        text-align: left;
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    /* 章节优化 */
    .section {
        padding: 40px 0;
    }
    
    .section-heading {
        margin-bottom: 24px;
    }
    
    .section-heading h2 {
        font-size: 24px;
    }
    
    .section-heading p {
        font-size: 14px;
        margin-top: 8px;
    }
    
    /* 订单卡片优化 */
    .cards-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .order-card {
        padding: 18px;
        border-radius: 16px;
        gap: 12px;
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(111, 107, 255, 0.1);
    }
    
    .order-card h3 {
        font-size: 16px;
        line-height: 1.4;
    }
    
    .order-desc {
        font-size: 13px;
        line-height: 1.5;
    }
    
    .order-meta {
        font-size: 14px;
        margin-top: 4px;
    }
    
    .status-pill {
        padding: 3px 10px;
        font-size: 12px;
    }
    
    /* 工作流程优化 */
    .workflow-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .workflow-step {
        padding: 18px;
        border-radius: 16px;
    }
    
    .step-number {
        width: 36px;
        height: 36px;
        font-size: 16px;
        margin-bottom: 12px;
    }
    
    .workflow-step h4 {
        font-size: 16px;
        margin-bottom: 8px;
    }
    
    .workflow-step p {
        font-size: 13px;
        line-height: 1.5;
        color: var(--text-secondary);
    }
    
    /* 服务对象优化 */
    .personas-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .persona-card {
        padding: 20px;
        border-radius: 20px;
    }
    
    .persona-icon {
        font-size: 32px;
        margin-bottom: 12px;
    }
    
    .persona-card h4 {
        font-size: 18px;
        margin-bottom: 8px;
    }
    
    .persona-card p {
        font-size: 13px;
        line-height: 1.6;
    }
    
    /* CTA区域优化 */
    .cta-ribbon {
        padding: 30px 0 40px;
    }
    
    .cta-box {
        padding: 24px 20px;
        border-radius: 20px;
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .cta-box h3 {
        font-size: 20px;
        line-height: 1.4;
    }
    
    .cta-box p {
        font-size: 14px;
        margin-top: 8px;
    }
    
    .cta-box > div:last-child {
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    
    .cta-box a {
        width: 100%;
        justify-content: center;
        padding: 14px 24px;
        min-height: 48px;
        touch-action: manipulation;
    }
    
    /* 页脚优化 */
    .page-footer {
        padding: 20px 0 30px;
        font-size: 13px;
    }
}

/* 小屏幕进一步优化 */
@media (max-width: 480px) {
    .container {
        width: calc(100% - 24px);
        padding: 0 12px;
    }
    
    .top-nav {
        padding: 16px 0 12px;
    }
    
    .brand-mark {
        font-size: 18px;
    }
    
    .nav-actions {
        grid-template-columns: 1fr;
    }
    
    .nav-actions a:last-child {
        grid-column: 1;
    }
    
    .hero-text h1 {
        font-size: 24px;
    }
    
    .hero-intro {
        font-size: 14px;
    }
    
    .section-heading h2 {
        font-size: 22px;
    }
    
    .cta-box h3 {
        font-size: 18px;
    }
}