/* =====================================================
   styles.css — 设计师作品集 Portfolio 完整样式
   目标网站：设计师个人作品展示网站
   风格：现代极简 + 渐变点缀 + 卡片式布局
   ===================================================== */

/* ==================== 变量定义 ==================== */
:root {
    /* 色彩系统 - 主色：淡蓝清新 + 活力渐变 */
    --color-primary: #3b82f6;       /* 淡蓝 */
    --color-primary-dark: #2563eb;   /* 深蓝 */
    --color-primary-light: #60a5fa;  /* 浅蓝 */
    --color-accent: #06b6d4;        /* 青色点缀 */

    /* 中性色 */
    --color-bg: #fafafa;
    --color-surface: #ffffff;
    --color-border: #e5e7eb;
    --color-border-light: #f3f4f6;
    --color-text: #1a1a2e;
    --color-text-secondary: #6b7280;
    --color-text-muted: #9ca3af;

    /* 渐变色 */
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #06b6d4 50%, #22d3ee 100%);
    --gradient-card: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.8) 100%);

    /* 阴影 */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.06);
    --shadow-glow: 0 0 40px rgba(99,102,241,0.15);

    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    /* 间距 */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;

    /* 布局 */
    --container-max: 1200px;
    --container-narrow: 800px;

    /* 动效 */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ==================== 布局工具 ==================== */
.section-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}
.label-num {
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}
.label-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}
.section-title {
    font-size: clamp(1.875rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-md);
    line-height: 1.2;
}
.section-desc {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    max-width: 520px;
    margin: 0 auto;
}

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: background-color var(--transition-base), box-shadow var(--transition-base);
}
.navbar.scrolled {
    background-color: rgba(250, 250, 250, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}
.navbar-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
}
.logo-mark {
    font-size: 1.5rem;
    color: var(--color-primary);
}
.logo-text {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}
.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
    transition: width var(--transition-base);
}
.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}
.nav-link.active::after {
    width: 100%;
}

/* 移动端切换按钮 */
.navbar-toggle {
    display: none;
    padding: var(--space-sm);
    color: var(--color-text);
}
.navbar-toggle .icon-menu,
.navbar-toggle .icon-close {
    width: 24px;
    height: 24px;
}

/* 移动端遮罩 */
.mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 999;
    opacity: 0;
    transition: opacity var(--transition-base);
}
.mobile-overlay.active {
    opacity: 1;
}

/* ==================== Hero 区域 ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px var(--space-lg) var(--space-4xl);
    max-width: var(--container-max);
    margin: 0 auto;
    gap: var(--space-3xl);
    position: relative;
    overflow: hidden;
}

.hero-bg-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}
.deco-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.5;
}
.deco-circle-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99,102,241,0.08) 0%, transparent 70%);
    top: -100px;
    right: -100px;
}
.deco-circle-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(244,63,94,0.06) 0%, transparent 70%);
    bottom: -50px;
    left: -100px;
}
.deco-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99,102,241,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99,102,241,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-content {
    flex: 1;
    position: relative;
    z-index: 1;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px 14px;
    background: rgba(99,102,241,0.08);
    border: 1px solid rgba(99,102,241,0.2);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}
.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.8); }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
    line-height: 1.1;
}
.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-subtitle {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-lg);
}

.hero-desc {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

/* 按钮系统 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px 24px;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
}
.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 16px rgba(99,102,241,0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99,102,241,0.4);
}
.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
}
.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(99,102,241,0.04);
}
.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    padding: 10px 20px;
}
.btn-ghost:hover {
    color: var(--color-primary);
    background: rgba(99,102,241,0.04);
}
.btn-icon {
    width: 18px;
    height: 18px;
}
.btn-loading .spin-icon {
    animation: spin 1s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}
.stat-item {
    display: flex;
    flex-direction: column;
}
.stat-number {
    font-family: 'Inter', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-text);
    line-height: 1;
}
.stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}
.stat-divider {
    width: 1px;
    height: 36px;
    background: var(--color-border);
}

/* Hero 右侧视觉 */
.hero-visual {
    flex-shrink: 0;
    width: 420px;
    position: relative;
    z-index: 1;
}
.avatar-wrapper {
    position: relative;
    width: 320px;
    height: 320px;
    margin: 0 auto;
}
.avatar-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid rgba(99,102,241,0.2);
    animation: ring-rotate 12s linear infinite;
}
.avatar-ring-2 {
    inset: 20px;
    border-color: rgba(244,63,94,0.15);
    animation-duration: 18s;
    animation-direction: reverse;
}
@keyframes ring-rotate {
    to { transform: rotate(360deg); }
}
.avatar-placeholder {
    position: absolute;
    inset: 40px;
    background: linear-gradient(135deg, #e0f2fe 0%, #dbeafe 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.avatar-icon {
    width: 80px;
    height: 80px;
    color: var(--color-primary);
    opacity: 0.4;
}

/* 头像图片：圆形裁切，嵌入渐变圆形内 */
.avatar-photo {
    position: absolute;
    inset: 40px;          /* 位于 avatar-wrapper 中心，与光环同层 */
    border-radius: 50%;
    overflow: hidden;
    z-index: 2;
}
.avatar-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    transform: scale(1.05);
}

/* 浮动徽章 */
.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--color-surface);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text);
    animation: float 3s ease-in-out infinite;
}
.fb-icon {
    width: 16px;
    height: 16px;
}
/* 6个徽章以 avatar-wrapper 为中心均匀分布（圆形排列，间隔60°，半径约200px） */
.badge-ui {
    /* 顶部中间 */
    top: 12px;
    left: 50%;
    transform: translateX(-30px);
    animation-delay: 0s;
}
.badge-brand {
    /* 右上 */
    top: 88px;
    right: -30px;
    left: auto;
    transform: none;
    animation-delay: 1s;
}
.badge-dev {
    /* 右下 */
    bottom: 48px;
    right: -30px;
    left: auto;
    top: auto;
    transform: none;
    animation-delay: 2s;
}
.badge-ai {
    /* 底部中间 */
    bottom: 12px;
    left: 50%;
    transform: translateX(-30px);
    top: auto;
    animation-delay: 0.5s;
}
.badge-art {
    /* 左下 */
    bottom: 48px;
    left: -30px;
    right: auto;
    top: auto;
    transform: none;
    animation-delay: 1.5s;
}
.badge-life {
    /* 左上 */
    top: 88px;
    left: -30px;
    right: auto;
    transform: none;
    animation-delay: 2.5s;
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ==================== 技能横条 ==================== */
.skills-strip {
    background: var(--color-text);
    padding: var(--space-lg) 0;
    overflow: hidden;
}
.skills-strip-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}
.skills-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    flex-shrink: 0;
    padding-right: var(--space-xl);
    border-right: 1px solid rgba(255,255,255,0.1);
}
.skills-track-wrapper {
    overflow: hidden;
    flex: 1;
}
.skills-track {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    white-space: nowrap;
    animation: skills-scroll 30s linear infinite;
}
@keyframes skills-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.skills-track:hover {
    animation-play-state: paused;
}
.skill-tag {
    font-size: 0.9375rem;
    font-weight: 500;
    color: rgba(255,255,255,0.8);
}
.skill-dot {
    color: var(--color-primary);
    font-size: 1.25rem;
}

/* ==================== 作品展示 ==================== */
.works-section {
    padding: var(--space-4xl) 0;
}

.works-filter {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}
.filter-btn {
    padding: 8px 18px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: transparent;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.filter-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}
.work-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    opacity: 1;
    transform: translateY(0);
}
.work-card.hidden {
    display: none;
}
.work-card.filtering {
    opacity: 0;
    transform: scale(0.95);
    pointer-events: none;
}
.work-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.work-card-image {
    aspect-ratio: 4/3;
    position: relative;
    overflow: hidden;
}
.work-card-bg {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    transition: transform var(--transition-slow);
}
.work-card:hover .work-card-bg {
    transform: scale(1.05);
}
.work-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
    display: flex;
    align-items: flex-end;
    padding: var(--space-md);
}
.work-card:hover .work-card-overlay {
    opacity: 1;
}
.work-card-year {
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255,255,255,0.9);
}
.work-card-body {
    padding: var(--space-md) var(--space-lg);
}
.work-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: var(--space-sm);
}
.work-tag {
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--color-primary);
    background: rgba(99,102,241,0.08);
    padding: 2px 8px;
    border-radius: var(--radius-full);
}
.work-card-title {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
}
.work-card-subtitle {
    font-size: 0.75rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 6px;
    opacity: 0.85;
}
.work-card-desc {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.works-more {
    text-align: center;
    margin-top: var(--space-2xl);
}

/* ==================== 关于我 ==================== */
.about-section {
    padding: var(--space-4xl) 0;
    background: linear-gradient(180deg, var(--color-bg) 0%, #f0f1ff 100%);
}
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: var(--space-3xl);
    align-items: start;
}
.about-visual {
    position: relative;
}
.about-photo-img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    border-radius: var(--radius-xl);
    display: block;
}
.about-deco-card {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    box-shadow: var(--shadow-md);
    min-width: 200px;
}
.deco-card-line {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px 0;
}
.deco-card-line + .deco-card-line {
    border-top: 1px solid var(--color-border-light);
}
.deco-icon {
    width: 16px;
    height: 16px;
    color: var(--color-primary);
}
.deco-card-line span {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.about-content .section-title {
    text-align: left;
}
.about-text {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.skill-bars {
    margin-top: var(--space-xl);
}
.skill-bar-item {
    margin-bottom: var(--space-md);
}
.skill-bar-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
}
.skill-bar-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}
.skill-bar-percent {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-primary);
}
.skill-bar-track {
    height: 6px;
    background: var(--color-border);
    border-radius: 3px;
    overflow: hidden;
}
.skill-bar-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 3px;
    width: 0;
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==================== 服务项目 ==================== */
.services-section {
    padding: var(--space-4xl) 0;
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}
.service-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    border: 1.5px solid var(--color-border-light);
    transition: all var(--transition-base);
    position: relative;
}
.service-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.service-card.featured {
    background: var(--gradient-primary);
    border-color: transparent;
    color: #fff;
}
.service-card.featured .service-icon-wrap {
    background: rgba(255,255,255,0.2);
}
.service-card.featured .service-icon {
    color: #fff;
}
.service-card.featured .service-desc,
.service-card.featured .service-list li {
    color: rgba(255,255,255,0.85);
}
.service-card.featured .service-list li::before {
    background: rgba(255,255,255,0.5);
}

/* 服务卡片专属渐变 */
.service-card-gradient-green {
    background: linear-gradient(135deg, #34d399 0%, #0d9488 100%);
    border-color: transparent;
    color: #fff;
}
.service-card-gradient-green .service-icon-wrap {
    background: rgba(255,255,255,0.2);
}
.service-card-gradient-green .service-icon {
    color: #fff;
}
.service-card-gradient-green .service-desc,
.service-card-gradient-green .service-list li {
    color: rgba(255,255,255,0.85);
}
.service-card-gradient-green .service-list li::before {
    background: rgba(255,255,255,0.5);
}
.service-card-gradient-green:hover {
    border-color: transparent;
    box-shadow: 0 20px 40px rgba(13,148,136,0.35);
    transform: translateY(-4px);
}

.service-card-gradient-blue {
    background: linear-gradient(135deg, #38bdf8 0%, #2563eb 100%);
    border-color: transparent;
    color: #fff;
}
.service-card-gradient-blue .service-icon-wrap {
    background: rgba(255,255,255,0.2);
}
.service-card-gradient-blue .service-icon {
    color: #fff;
}
.service-card-gradient-blue .service-desc,
.service-card-gradient-blue .service-list li {
    color: rgba(255,255,255,0.85);
}
.service-card-gradient-blue .service-list li::before {
    background: rgba(255,255,255,0.5);
}
.service-card-gradient-blue:hover {
    border-color: transparent;
    box-shadow: 0 20px 40px rgba(37,99,235,0.35);
    transform: translateY(-4px);
}

.service-card-gradient-orange {
    background: linear-gradient(135deg, #fbbf24 0%, #f97316 100%);
    border-color: transparent;
    color: #fff;
}
.service-card-gradient-orange .service-icon-wrap {
    background: rgba(255,255,255,0.2);
}
.service-card-gradient-orange .service-icon {
    color: #fff;
}
.service-card-gradient-orange .service-desc,
.service-card-gradient-orange .service-list li {
    color: rgba(255,255,255,0.85);
}
.service-card-gradient-orange .service-list li::before {
    background: rgba(255,255,255,0.5);
}
.service-card-gradient-orange:hover {
    border-color: transparent;
    box-shadow: 0 20px 40px rgba(249,115,22,0.35);
    transform: translateY(-4px);
}

/* 服务卡片 - 玫红渐变 */
.service-card-gradient-rose {
    background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
}
.service-card-gradient-rose .service-icon {
    color: rgba(255,255,255,0.9);
}
.service-card-gradient-rose .service-title,
.service-card-gradient-rose .service-desc,
.service-card-gradient-rose .service-list li {
    color: rgba(255,255,255,0.95);
}
.service-card-gradient-rose .service-list li::before {
    background: rgba(255,255,255,0.5);
}
.service-card-gradient-rose:hover {
    border-color: transparent;
    box-shadow: 0 20px 40px rgba(244,63,94,0.4);
    transform: translateY(-4px);
}

/* 服务卡片 - 紫罗兰渐变 */
.service-card-gradient-violet {
    background: linear-gradient(135deg, #8b5cf6 0%, #a855f7 100%);
}
.service-card-gradient-violet .service-icon {
    color: rgba(255,255,255,0.9);
}
.service-card-gradient-violet .service-title,
.service-card-gradient-violet .service-desc,
.service-card-gradient-violet .service-list li {
    color: rgba(255,255,255,0.95);
}
.service-card-gradient-violet .service-list li::before {
    background: rgba(255,255,255,0.5);
}
.service-card-gradient-violet:hover {
    border-color: transparent;
    box-shadow: 0 20px 40px rgba(139,92,246,0.4);
    transform: translateY(-4px);
}
.service-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
}
.service-icon-wrap {
    width: 56px;
    height: 56px;
    background: rgba(99,102,241,0.08);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}
.service-icon {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}
.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}
.service-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}
.service-list li {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    padding: 5px 0;
    padding-left: var(--space-md);
    position: relative;
}
.service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-primary);
}

/* ==================== 客户评价 ==================== */
.testimonials-section {
    padding: var(--space-4xl) 0;
    background: var(--color-text);
    overflow: hidden;
}
.testimonials-section .section-title {
    color: #fff;
}
.testimonials-section .section-desc {
    color: rgba(255,255,255,0.6);
}
.testimonials-track-wrapper {
    overflow: hidden;
    margin: 0 -9999px;
    padding: 0 9999px;
}
.testimonials-track {
    display: flex;
    gap: var(--space-lg);
    transition: transform var(--transition-slow);
}
.testimonial-card {
    flex-shrink: 0;
    width: 420px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    backdrop-filter: blur(10px);
}
.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: var(--space-md);
}
.star-icon {
    width: 16px;
    height: 16px;
}
.star-icon.filled {
    color: #fbbf24;
    fill: #fbbf24;
}
.testimonial-quote {
    font-size: 1rem;
    color: rgba(255,255,255,0.9);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    font-style: italic;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}
.author-avatar-placeholder {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(99,102,241,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}
.author-icon {
    width: 20px;
    height: 20px;
    color: rgba(255,255,255,0.7);
}
.author-name {
    display: block;
    font-size: 0.9375rem;
    font-weight: 600;
    color: #fff;
}
.author-role {
    display: block;
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.5);
}
.testimonials-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: var(--space-xl);
}
.tdot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.tdot.active {
    background: var(--color-primary);
    width: 24px;
    border-radius: 4px;
}

/* ==================== 联系方式 ==================== */
.contact-section {
    padding: var(--space-4xl) 0;
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-3xl);
    align-items: start;
}
.contact-info .section-title {
    text-align: left;
}
.contact-desc {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}
.contact-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}
.contact-link-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-surface);
    border: 1.5px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-fast);
}
.contact-link-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}
.cli-icon-wrap {
    width: 44px;
    height: 44px;
    background: rgba(99,102,241,0.08);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.cli-icon {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
}
.cli-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}
.cli-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.cli-value {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
}
.cli-arrow {
    width: 18px;
    height: 18px;
    color: var(--color-text-muted);
}

/* 联系表单 */
.contact-form-wrapper {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-md);
}
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}
.form-input {
    padding: 12px 16px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}
.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
    background: #fff;
}
.form-input.error {
    border-color: var(--color-accent);
}
.form-select {
    appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}
.form-textarea {
    resize: vertical;
    min-height: 120px;
}
.form-error {
    font-size: 0.8125rem;
    color: var(--color-accent);
    min-height: 1em;
}
.btn-submit {
    width: 100%;
}
.form-success {
    display: none;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: rgba(34,197,94,0.08);
    border: 1px solid rgba(34,197,94,0.2);
    border-radius: var(--radius-md);
    color: #16a34a;
    font-size: 0.9375rem;
}
.form-success.show {
    display: flex;
}
.success-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--color-text);
    color: rgba(255,255,255,0.7);
    padding: var(--space-3xl) 0 var(--space-xl);
}
.footer-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}
.footer-brand {
    text-align: center;
}
.footer-brand .logo-mark {
    font-size: 2rem;
}
.footer-brand .logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
}
.footer-tagline {
    font-size: 0.875rem;
    margin-top: 4px;
}
.footer-social {
    display: flex;
    gap: var(--space-md);
}
.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}
.social-link:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
}
.social-icon {
    width: 18px;
    height: 18px;
    color: rgba(255,255,255,0.7);
}
.footer-copy {
    text-align: center;
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.4);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255,255,255,0.08);
    width: 100%;
}
.footer-made {
    margin-top: 4px;
    color: rgba(255,255,255,0.25);
}
.visitor-counter {
    margin-top: var(--space-md);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(59, 130, 246, 0.15);
    border-radius: 20px;
    color: rgba(255,255,255,0.6);
    font-size: 0.8125rem;
}
.visitor-counter i {
    width: 14px;
    height: 14px;
}
.visitor-counter strong {
    color: var(--primary-light, #60a5fa);
}

/* ==================== 返回顶部 ==================== */
.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 44px;
    height: 44px;
    background: var(--color-surface);
    border: 1.5px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    opacity: 0;
    transform: translateY(12px);
    transition: all var(--transition-base);
    z-index: 100;
}
.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
}
.back-to-top:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}
.btt-icon {
    width: 20px;
    height: 20px;
    color: var(--color-text);
}
.back-to-top:hover .btt-icon {
    color: #fff;
}

/* ==================== 模态框：职业详情弹窗 ==================== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}
.modal.open {
    display: flex;
}
.modal-content {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-lg);
    animation: modal-in 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes modal-in {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}
.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--color-bg);
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 1;
}
.modal-close:hover {
    background: var(--color-primary);
    color: #fff;
}
.modal-close i {
    width: 18px;
    height: 18px;
}
.modal-header {
    padding: var(--space-2xl) var(--space-2xl) var(--space-lg);
    border-bottom: 1px solid var(--color-border-light);
}
.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 6px;
    padding-right: 40px;
}
.modal-subtitle {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}
.modal-year {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-muted);
    background: var(--color-bg);
    padding: 4px 12px;
    border-radius: var(--radius-full);
}
.modal-body {
    padding: var(--space-lg) var(--space-2xl) var(--space-2xl);
}
.modal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: var(--space-lg);
}
.modal-tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(59, 130, 246, 0.1);
    padding: 4px 12px;
    border-radius: var(--radius-full);
}
.modal-description {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* ===== 超宽屏（≥1600px）：限制最大字号，防止 Hero 标题过大 ===== */
@media (min-width: 1600px) {
    .hero-title {
        font-size: 4rem;
    }
    .hero-subtitle {
        font-size: 1.625rem;
    }
    .section-container {
        max-width: 1100px;
    }
    .hero {
        max-width: 1100px;
    }
}

/* ===== 宽屏平板（901px–1024px）====== */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 100px;
    }
    .hero-desc { margin: 0 auto var(--space-xl); }
    .hero-actions { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual {
        width: 100%;
        max-width: 340px;
    }
    .avatar-wrapper { width: 260px; height: 260px; }
    .avatar-placeholder { inset: 30px; }
    .floating-badge { display: none; }

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

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    .about-visual { max-width: 400px; margin: 0 auto; }
    .about-deco-card { right: 0; bottom: -16px; }

    /* 平板 2 列服务卡片 */
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .service-card.featured { margin: 0; }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    .contact-info { text-align: center; }
    .contact-info .section-title { text-align: center; }
    .contact-desc { margin-left: auto; margin-right: auto; }
    .contact-links { max-width: 480px; margin: 0 auto; }

    /* 超宽屏下隐藏浮动徽章，保持整体布局清爽 */
    .testimonial-card { width: 380px; }
}

/* ===== 手机（≤768px）====== */
@media (max-width: 768px) {
    /* 导航 */
    .navbar-nav {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 280px;
        background: var(--color-surface);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px var(--space-xl) var(--space-xl);
        gap: var(--space-sm);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        z-index: 1001;
        box-shadow: -4px 0 24px rgba(0,0,0,0.1);
    }
    .navbar-nav.open {
        transform: translateX(0);
    }
    .nav-link {
        font-size: 1.0625rem;
        padding: var(--space-sm) 0;
        width: 100%;
    }
    .navbar-toggle { display: flex; }
    .mobile-overlay { display: block; }

    /* Hero */
    .hero {
        padding: 80px var(--space-md) var(--space-3xl);
        min-height: auto;
        gap: var(--space-2xl);
    }
    .hero-badge { margin-bottom: var(--space-md); }
    .hero-actions { flex-direction: column; width: 100%; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
    }
    .stat-divider { width: 40px; height: 1px; }
    .hero-visual {
        max-width: 260px;
        margin: 0 auto;
        width: 100%;
    }
    .avatar-wrapper { width: 200px; height: 200px; }
    .floating-badge { display: none; }

    /* 技能横条 */
    .skills-strip-inner {
        flex-direction: column;
        gap: var(--space-md);
        align-items: flex-start;
    }
    .skills-label {
        border-right: none;
        padding-right: 0;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        padding-bottom: var(--space-sm);
    }
    .skills-track-wrapper { width: 100%; }

    /* 作品网格：1 列，间距收紧 */
    .works-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    .filter-btn { padding: 6px 14px; font-size: 0.8125rem; }

    /* About Me */
    .about-photo-img { aspect-ratio: 4/3; }
    .about-deco-card {
        position: relative;
        bottom: auto;
        right: auto;
        margin-top: var(--space-md);
    }
    .about-content .section-title { font-size: 1.75rem; }
    .about-content .section-header { text-align: center; }
    .about-content .section-title { text-align: center; }

    /* 服务：1 列 */
    .services-grid { grid-template-columns: 1fr; }

    /* 客户评价 */
    .testimonial-card { width: calc(100vw - 80px); }

    /* 联系表单 */
    .form-row { grid-template-columns: 1fr; }
    .contact-form-wrapper { padding: var(--space-lg); }

    /* 页脚 */
    .footer { padding: var(--space-2xl) 0 var(--space-lg); }

    /* 返回顶部 */
    .back-to-top { bottom: var(--space-md); right: var(--space-md); }

    /* 模态框 */
    .modal-content {
        margin: var(--space-md);
        max-height: calc(100vh - var(--space-2xl));
        overflow-y: auto;
    }
    .modal-header { padding: var(--space-lg); }
    .modal-body { padding: 0 var(--space-lg) var(--space-lg); }
}

/* ===== 小屏手机（≤480px）====== */
@media (max-width: 480px) {
    .section-container { padding: 0 var(--space-md); }
    .section-title { font-size: 1.625rem; }
    .contact-form-wrapper {
        padding: var(--space-md);
        border-radius: var(--radius-lg);
    }
    .contact-link-item {
        padding: var(--space-sm) var(--space-md);
    }
    .service-card { padding: var(--space-xl) var(--space-lg); }
    .work-card-body { padding: var(--space-sm) var(--space-md); }
    .form-input { padding: 10px 12px; font-size: 0.875rem; }
    .form-row { gap: var(--space-sm); }
}