/* ===========================
   飞翔工作室作品 - 样式
   =========================== */

/* 基础变量 */
:root {
    --color-primary: #1e6dff;
    --color-primary-dark: #1657cc;
    --color-primary-light: #e8f0ff;
    --color-accent: #ff7a45;
    --color-text: #1f2937;
    --color-text-2: #4b5563;
    --color-text-3: #6b7280;
    --color-bg: #f7f8fc;
    --color-card: #ffffff;
    --color-border: #e5e7eb;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 40px rgba(30, 109, 255, 0.12);
    --radius: 12px;
    --radius-lg: 18px;
    --max-width: 1280px;
    --transition: 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial,
        sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
    list-style: none;
}

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

/* ===========================
   顶部导航
   =========================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: inline-flex;
    align-items: center;
    font-size: 22px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 1px;
}

.nav {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 15px;
    color: var(--color-text-2);
    transition: all var(--transition);
}

.nav-link:hover {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.nav-link.active {
    color: var(--color-primary);
    background: var(--color-primary-light);
    font-weight: 600;
}

/* ===========================
   Hero 区
   =========================== */
.hero {
    padding: 80px 0 60px;
    background: linear-gradient(135deg, #f0f5ff 0%, #f7f8fc 60%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(30, 109, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-inner {
    position: relative;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 13px;
    letter-spacing: 3px;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 16px;
    padding: 4px 14px;
    background: rgba(30, 109, 255, 0.08);
    border-radius: 999px;
}

.hero-subtitle {
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 0.5px;
    margin-bottom: 24px;
}

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

.tag {
    padding: 6px 14px;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 13px;
    color: var(--color-text-2);
    box-shadow: var(--shadow-sm);
}

/* 联系页 Hero */
.page-hero {
    padding: 60px 0 40px;
    background: linear-gradient(135deg, #f0f5ff 0%, #f7f8fc 60%);
    text-align: center;
}

.page-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    margin-bottom: 12px;
}

.page-subtitle {
    font-size: 16px;
    color: var(--color-text-2);
}

/* ===========================
   主内容
   =========================== */
.main-content {
    padding: 60px 24px 40px;
}

/* ===========================
   作品区标题
   =========================== */
.works-section {
    text-align: center;
    margin-bottom: 40px;
}

.works-title {
    font-size: clamp(26px, 3.5vw, 34px);
    font-weight: 700;
    color: var(--color-text);
}

.works-title::after {
    content: "";
    display: block;
    width: 48px;
    height: 3px;
    background: var(--color-primary);
    margin: 14px auto 0;
    border-radius: 2px;
}

.works-sub {
    margin-top: 14px;
    color: var(--color-text-2);
    font-size: 15px;
}

/* ===========================
   作品卡片
   =========================== */
/* 作品网格：多个作品并排，超出自动换行 */
.app-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
    align-items: start;
}

.app-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: transform var(--transition), box-shadow var(--transition);
}

.app-card:hover {
    box-shadow: var(--shadow-lg);
}

.app-head {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding-bottom: 28px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
}

.app-icon {
    width: 88px;
    height: 88px;
    border-radius: 20px;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
    background: white;
}

.app-head-info {
    flex: 1;
    min-width: 0;
}

.app-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 6px;
}

.app-slogan {
    font-size: 15px;
    color: var(--color-text-2);
    margin-bottom: 14px;
}

.app-status {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-available {
    background: #ecfdf5;
    color: var(--color-success);
    border: 1px solid #a7f3d0;
}

a.badge {
    cursor: pointer;
    transition: all var(--transition);
}

a.badge:hover {
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(16, 185, 129, 0.25);
    text-decoration: none;
}

a.badge-available::after {
    content: " ↗";
    font-size: 11px;
    opacity: 0.75;
}

.badge-soon {
    background: #fff7ed;
    color: var(--color-warning);
    border: 1px solid #fed7aa;
}

.app-desc h3 {
    font-size: 17px;
    font-weight: 600;
    margin-top: 20px;
    margin-bottom: 12px;
    color: var(--color-text);
    padding-left: 12px;
    border-left: 3px solid var(--color-primary);
}

.app-desc h3:first-child {
    margin-top: 0;
}

.app-desc p {
    color: var(--color-text-2);
    margin-bottom: 12px;
    font-size: 15px;
}

.feature-list {
    margin-bottom: 8px;
}

.feature-list li {
    position: relative;
    padding: 8px 0 8px 24px;
    color: var(--color-text-2);
    font-size: 14.5px;
    line-height: 1.7;
}

.feature-list li::before {
    content: "";
    position: absolute;
    left: 6px;
    top: 18px;
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

.feature-list li strong {
    color: var(--color-text);
    font-weight: 600;
    margin-right: 4px;
}

.scene-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.scene-tag {
    padding: 5px 12px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
}

/* 首页简要介绍 */
.app-brief {
    color: var(--color-text-2);
    font-size: 14.5px;
    line-height: 1.8;
    margin-bottom: 20px;
}

/* 首页卡片内截图更小巧 */
.app-grid .screen {
    max-height: 190px;
}

/* 查看详情按钮 */
.btn-detail {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 20px;
    padding: 10px 24px;
    background: var(--color-primary);
    color: white;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition);
    box-shadow: 0 4px 14px rgba(30, 109, 255, 0.25);
}

.btn-detail:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 109, 255, 0.35);
}

.btn-detail:hover {
    gap: 8px;
}

/* ===========================
   详情页样式
   =========================== */
.back-link {
    display: inline-block;
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--color-text-3);
    transition: color var(--transition);
}

.back-link:hover {
    color: var(--color-primary);
}

.detail-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.section-title-left {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 16px;
    padding-left: 12px;
    border-left: 4px solid var(--color-primary);
}

.detail-card p {
    color: var(--color-text-2);
    font-size: 15px;
    line-height: 1.9;
    margin-bottom: 12px;
}

.detail-card p:last-child {
    margin-bottom: 0;
}

.sub-list {
    margin: 6px 0 0 20px;
}

.sub-list li {
    position: relative;
    padding: 3px 0 3px 18px;
    color: var(--color-text-2);
    font-size: 14px;
    line-height: 1.7;
}

.sub-list li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 14px;
    width: 5px;
    height: 5px;
    background: var(--color-primary);
    border-radius: 50%;
}

.detail-note {
    margin-top: 16px;
    padding: 12px 16px;
    background: var(--color-primary-light);
    border-radius: 8px;
    color: var(--color-primary-dark) !important;
    font-size: 14px;
}

.hero-status {
    justify-content: center;
    margin-top: 18px;
}

/* 截图展示：并排 */
.app-screens {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    gap: 14px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.screen-item {
    flex: 1;
    min-width: 0;
    text-align: center;
}

.screen {
    width: auto;
    max-width: 100%;
    max-height: 300px;
    margin: 0 auto;
    border-radius: 14px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border: 1px solid var(--color-border);
    transition: transform var(--transition);
    object-fit: contain;
}

.screen:hover {
    transform: translateY(-4px);
}

/* 详情页截图放大展示 */
.detail-card .app-screens {
    flex-wrap: wrap;
    gap: 28px;
}

.detail-card .screen-item {
    flex: 1 1 210px;
}

.detail-card .screen {
    max-height: 560px;
    width: 100%;
    cursor: zoom-in;
    object-fit: contain;
    border: none;
    box-shadow: none;
    border-radius: 10px;
}

/* 图片放大遮罩 */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
    background: rgba(15, 23, 42, 0.88);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
    cursor: zoom-out;
}

.lightbox-overlay.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-img {
    max-width: 100%;
    max-height: 88vh;
    border-radius: 14px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.screen-item figcaption {
    margin-top: 14px;
    font-size: 12.5px;
    color: var(--color-text-3);
}

.screen:hover {
    transform: translateY(-4px);
}

/* ===========================
   联系页样式
   =========================== */
/* 服务范围 */
.service-section {
    margin-bottom: 60px;
}

.section-title {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 32px;
    position: relative;
}

.section-title::after {
    content: "";
    display: block;
    width: 40px;
    height: 3px;
    background: var(--color-primary);
    margin: 12px auto 0;
    border-radius: 2px;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.service-item {
    background: var(--color-card);
    padding: 28px 24px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

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

.service-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.service-item h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-item ul li {
    padding: 4px 0 4px 18px;
    position: relative;
    color: var(--color-text-2);
    font-size: 14px;
}

.service-item ul li::before {
    content: "·";
    position: absolute;
    left: 6px;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 18px;
    line-height: 1;
}

/* 合作流程 */
.workflow-section {
    margin-bottom: 60px;
}

.workflow {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    counter-reset: step;
}

.workflow-step {
    background: var(--color-card);
    padding: 28px 24px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    position: relative;
    transition: all var(--transition);
}

.workflow-step:hover {
    border-color: var(--color-primary);
}

.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 12px;
}

.step-content h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
}

.step-content p {
    color: var(--color-text-2);
    font-size: 14px;
}

/* CTA */
.cta-section {
    margin-bottom: 40px;
}

.cta-card {
    background: var(--color-card);
    padding: 48px 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.cta-card h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.cta-card p {
    color: var(--color-text-2);
    margin-bottom: 24px;
}

.btn-primary {
    display: inline-block;
    padding: 14px 32px;
    background: var(--color-primary);
    color: white;
    border-radius: 999px;
    font-weight: 600;
    font-size: 15px;
    transition: all var(--transition);
    box-shadow: 0 4px 14px rgba(30, 109, 255, 0.3);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 109, 255, 0.4);
}

/* ===========================
   底部
   =========================== */
.site-footer {
    background: white;
    border-top: 1px solid var(--color-border);
    padding: 32px 0;
    margin-top: 40px;
    text-align: center;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.footer-line {
    font-size: 13px;
    color: var(--color-text-3);
}

.footer-line:first-child {
    font-weight: 600;
    color: var(--color-text-2);
    margin-bottom: 4px;
}

.beian {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--color-text-3);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition);
}

.beian-icon {
    width: 15px;
    height: 15px;
    object-fit: contain;
    flex-shrink: 0;
}

.beian:hover {
    border-bottom-color: var(--color-primary);
    color: var(--color-primary);
}

.footer-cta a {
    color: var(--color-primary);
    font-weight: 500;
}

.footer-cta a:hover {
    text-decoration: underline;
}

/* ===========================
   响应式
   =========================== */
@media (max-width: 1000px) {
    .app-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 56px 0 40px;
    }

    .main-content {
        padding: 40px 20px 24px;
    }

    .app-card {
        padding: 24px 20px;
    }

    .app-head {
        flex-direction: column;
        gap: 16px;
        align-items: center;
        text-align: center;
    }

    .app-status {
        justify-content: center;
    }

    .app-title {
        font-size: 24px;
    }

    .app-screens {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 8px;
    }

    .screen-item {
        flex: 0 0 auto;
        width: 46%;
    }

    .screen {
        max-height: 260px;
    }

    .header-inner {
        height: 56px;
    }

    .logo {
        font-size: 18px;
    }

    .nav-link {
        padding: 6px 12px;
        font-size: 14px;
    }
}