/* ========================================
   设计系统 - 颜色、字体、变量
   ======================================== */

:root {
    /* 主色调 - 艺术金色和深色 */
    --color-primary: #c9a961;
    --color-primary-dark: #a88d4f;
    --color-primary-light: #e4d4a8;

    /* 背景色 */
    --color-bg: #ffffff;
    --color-bg-secondary: #f8f7f4;
    --color-bg-tertiary: #f0ede6;

    /* 文字颜色 */
    --color-text-primary: #1a1a1a;
    --color-text-secondary: #666666;
    --color-text-tertiary: #999999;

    /* 边框和分割线 */
    --color-border: #e0ddd6;
    --color-divider: #d4d1ca;

    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.20);

    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* 边框圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* 过渡动画 */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* 字体 */
    --font-serif: 'Noto Serif SC', serif;
    --font-sans: 'Noto Sans SC', sans-serif;

    /* 容器宽度 */
    --container-width: 1280px;
    --container-padding: 2rem;

    /* 时间轴年份（意大利体/艺术感） */
    --font-timeline-italian:
        "Cormorant Garamond",
        "Playfair Display",
        "Noto Serif SC",
        "Source Han Serif SC",
        "Songti SC",
        serif;
}

/* 深色模式 */
[data-theme="dark"] {
    --color-primary: #d4b46e;
    --color-primary-dark: #c9a961;
    --color-primary-light: #e4d4a8;

    --color-bg: #0f0f0f;
    --color-bg-secondary: #1a1a1a;
    --color-bg-tertiary: #242424;

    --color-text-primary: #f0f0f0;
    --color-text-secondary: #b0b0b0;
    --color-text-tertiary: #808080;

    --color-border: #2a2a2a;
    --color-divider: #333333;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
}

/* =========================
   Fonts (webfonts)
   ========================= */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@1,700&display=swap');

/* ========================================
   重置和基础样式
   ======================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    line-height: 1.6;
    transition: background-color var(--transition-base), color var(--transition-base);
    overflow-x: hidden;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul,
ol {
    list-style: none;
}

/* ========================================
   工具类
   ======================================== */

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

/* ========================================
   通用页面标题（与作品画廊一致）
   ======================================== */

.page-header {
    padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    text-align: center;
    background-image:
        var(--page-header-bg-image, none),
        linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.page-header.has-bg-image {
    position: relative;
    overflow: hidden;
}

.page-header.has-bg-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    pointer-events: none;
    z-index: 0;
}

.page-header.has-bg-image .container {
    position: relative;
    z-index: 1;
}

.page-header.has-bg-image .page-title,
.page-header.has-bg-image .page-description {
    color: #fff;
    text-shadow: 0 2px 18px rgba(0, 0, 0, 0.45);
}

.page-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.page-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

/* ========================================
   导航栏
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
    background-color: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] .navbar.scrolled {
    background-color: rgba(15, 15, 15, 0.95);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: 0;
}

.nav-logo .subtitle {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-top: -4px;
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-link {
    position: relative;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.lang-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-secondary);
    transition: all var(--transition-fast);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
}

.lang-toggle:hover {
    background-color: var(--color-bg-tertiary);
    transform: scale(1.05);
    color: var(--color-primary);
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-secondary);
    transition: all var(--transition-fast);
    position: relative;
}

.theme-toggle:hover {
    background-color: var(--color-bg-tertiary);
    transform: scale(1.05);
}

.theme-toggle svg {
    position: absolute;
    transition: all var(--transition-base);
}

.theme-toggle,
.lang-toggle {
    border: 1px solid var(--color-border);
}

.theme-toggle {
    color: var(--color-text-secondary);
}

.theme-toggle:hover {
    color: var(--color-primary);
}

[data-theme="dark"] .theme-toggle,
[data-theme="dark"] .lang-toggle {
    border-color: rgba(255, 255, 255, 0.18);
}

[data-theme="dark"] .theme-toggle {
    background-color: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.9);
}

[data-theme="dark"] .theme-toggle:hover {
    background-color: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .lang-toggle {
    background-color: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.9);
}

[data-theme="dark"] .lang-toggle:hover {
    background-color: rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.95);
}

.sun-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.moon-icon {
    opacity: 0;
    transform: rotate(180deg) scale(0);
}

[data-theme="dark"] .sun-icon {
    opacity: 0;
    transform: rotate(180deg) scale(0);
}

[data-theme="dark"] .moon-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 30px;
    justify-content: center;
    align-items: center;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ========================================
   英雄区域
   ======================================== */

.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image:
        var(--hero-bg-image, none),
        linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(201, 169, 97, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(228, 212, 168, 0.15) 0%, transparent 50%);
    animation: heroGradient 15s ease infinite;
}

@keyframes heroGradient {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.8;
        transform: scale(1.1);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero.has-bg-image .hero-overlay {
    background: rgba(0, 0, 0, 0.1);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 0 2rem;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.05em;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 2rem);
    font-weight: 300;
    margin-bottom: var(--spacing-lg);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    opacity: 0.95;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.9;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, white);
    animation: scrollAnimation 2s ease-in-out infinite;
}

@keyframes scrollAnimation {

    0%,
    100% {
        opacity: 0;
        transform: translateY(-10px);
    }

    50% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   按钮
   ======================================== */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    transition: width 0.6s, height 0.6s, top 0.6s, left 0.6s;
    transform: translate(-50%, -50%);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(201, 169, 97, 0.4);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(201, 169, 97, 0.5);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

/* ========================================
   区块通用样式
   ======================================== */

section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.title-decoration {
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, transparent, var(--color-primary), transparent);
    margin: var(--spacing-md) auto;
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.section-footer {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

/* ========================================
   关于艺术家
   ======================================== */

.about-section {
    background-color: var(--color-bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 3/4;
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.3), transparent);
}

.about-text {
    padding: var(--spacing-lg);
}

.about-subtitle {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.about-description {
    font-size: 1.0625rem;
    line-height: 1.9;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.05em;
}

/* ========================================
   精选作品
   ======================================== */

.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.work-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--color-bg-secondary);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    cursor: pointer;
}

.work-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.work-image {
    position: relative;
    aspect-ratio: 4/5;
    overflow: hidden;
}

.work-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.work-card:hover .work-image img {
    transform: scale(1.05);
}

.work-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-md);
}

.work-card:hover .work-overlay {
    opacity: 1;
}

.work-info {
    padding: var(--spacing-md);
}

.work-title {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.work-meta {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* ========================================
   最新文章
   ======================================== */

.latest-articles {
    background-color: var(--color-bg);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.article-card {
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.article-image {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.article-card:hover .article-image img {
    transform: scale(1.05);
}

.article-content {
    padding: var(--spacing-md);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-sm);
}

.article-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.article-excerpt {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========================================
   页脚
   ======================================== */

.footer {
    background-color: var(--color-bg-tertiary);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.footer-description {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.footer-heading {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-links,
.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a,
.footer-contact li {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    line-height: 40px;
}

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

/* footer contact icons */
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.footer-contact .iconfont {
  flex: 0 0 auto;
  font-size: 25px;
  line-height: 1.4;
  color: currentColor;
  opacity: 0.92;
  margin-top: 2px;
  vertical-align: middle;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: var(--color-primary);
    color: white;
}

/* =========================
   Social modal (WeChat QR)
   ========================= */

body.modal-open {
    overflow: hidden;
}

.social-modal {
    position: fixed;
    inset: 0;
    display: none;
    z-index: 2000;
}

.social-modal.is-open {
    display: block;
}

.social-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
}

.social-modal__panel {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: min(420px, calc(100vw - 2 * var(--spacing-lg)));
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-lg);
}

.social-modal__close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    font-size: 22px;
    line-height: 36px;
    text-align: center;
}

.social-modal__close:hover {
    background: var(--color-primary);
    color: #fff;
}

.social-modal__title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.social-modal__body {
    display: grid;
    gap: var(--spacing-md);
    justify-items: center;
}

.social-modal__qr {
    width: min(260px, 70vw);
    height: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
}

.social-modal__hint {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* ========================================
   动画
   ======================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.2s;
    opacity: 0;
}

.delay-2 {
    animation-delay: 0.4s;
    opacity: 0;
}

.delay-3 {
    animation-delay: 0.6s;
    opacity: 0;
}

/* ========================================
   响应式设计
   ======================================== */

@media (max-width: 1024px) {
    :root {
        --container-padding: 1.5rem;
        --spacing-3xl: 4rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .works-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        padding: var(--spacing-lg) 0;
        gap: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        box-shadow: var(--shadow-md);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        min-height: 500px;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .works-grid,
    .articles-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .timeline {
        --timeline-node-col: 92px;
        --timeline-x-pad: 0px;
        --timeline-line-x-offset: 5px;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
        --spacing-2xl: 2.5rem;
        --spacing-3xl: 3rem;
    }

    .nav-container {
        height: 70px;
    }

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

    .btn {
        width: 100%;
        text-align: center;
    }

    .timeline {
        --timeline-node-col: 84px;
        --timeline-x-pad: 0px;
        --timeline-line-x-offset: 9px;
    }
}

/* ========================================
   About / 时间轴（可在 about.html 全量展示，也可在首页截取部分）
   ======================================== */

/* 履历时间轴的命名空间：避免影响“展览时间线”等其它页面 */
.timeline.timeline--resume {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;

    /* 竖线/圆点定位需要考虑容器的横向内边距（移动端更明显） */
    --timeline-x-pad: 0px;

    /* 统一控制左侧节点列宽与竖线 x 坐标（移动端不跑偏） */
    --timeline-node-col: 112px;
    --timeline-line-x-offset: 0px;
    --timeline-line-x: calc(var(--timeline-x-pad) + (var(--timeline-node-col) / 2) + var(--timeline-line-x-offset));
}

.timeline.timeline--resume::before {
    content: '';
    position: absolute;
    left: var(--timeline-line-x);
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        var(--color-border) 6%,
        var(--color-border) 94%,
        transparent 100%
    );
}

.timeline.timeline--resume .timeline-item {
    position: relative;
    display: grid;
    grid-template-columns: 112px 1fr;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) 0;
}

.timeline.timeline--resume .timeline-year {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.9rem;

    font-family: var(--font-timeline-italian);
    font-style: italic;
    font-weight: 700;
    letter-spacing: 0.04em;
    transform: none;
    text-shadow: none;

    color: var(--color-primary);
    font-size: 2.00rem;
    line-height: 1;

    padding-top: 40px;
    font-weight: 800;
    text-shadow: 0 1px 0 rgba(0,0,0,0.06);
    letter-spacing: 0.055em;
}

.timeline.timeline--resume .timeline-year::before {
    content: none;
}

/* 新的圆点：挂在 item 上，永远与竖线同轴 */
.timeline.timeline--resume .timeline-item::before {
    content: '';
    position: absolute;
    top: 50%;
    left: var(--timeline-line-x);
    transform: translate(-50%, -50%);

    width: 12px;
    height: 12px;
    border-radius: 999px;
    background: var(--color-bg);
    border: 3px solid var(--color-primary);
    box-shadow: 0 0 0 6px rgba(201, 169, 97, 0.12);
}

/* compact 规格同步 */
.timeline.timeline--resume.timeline--compact .timeline-item::before {
    width: 10px;
    height: 10px;
    border-width: 3px;
    box-shadow: 0 0 0 5px rgba(201, 169, 97, 0.12);
}

@media (max-width: 768px) {
  .timeline.timeline--resume .timeline-item::before {
    top: 50%;
  }
}

@media (max-width: 480px) {
  .timeline.timeline--resume .timeline-item::before {
    top: 50%;
  }
}

/* 兼容：展览页面使用 .timeline 作为容器，但不是履历时间轴。
   为避免被 grid 两列挤窄，强制回到块布局。 */
#exhibitionsTimeline .timeline-item {
    display: block;
}

/* 履历时间轴正文：统一与页面正文的观感（颜色/字号/行高）
   - About 页：更接近文章正文（略大、阅读性更强）
   - 首页 compact：略小，和首页卡片/说明文字一致
*/
.timeline.timeline--resume .timeline-content {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  line-height: 1.85;
}

.timeline.timeline--resume .timeline-content p {
  margin: 0;
}

.timeline.timeline--resume .timeline-content p + p {
  margin-top: 0.5rem;
}

/* 首页精简版：更紧凑一些 */
.timeline.timeline--resume.timeline--compact .timeline-content {
  font-size: 0.98rem;
  line-height: 1.75;
}

@media (max-width: 768px) {
  .timeline.timeline--resume .timeline-content {
    font-size: 1.0rem;
  }

  .timeline.timeline--resume.timeline--compact .timeline-content {
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  .timeline.timeline--resume .timeline-content {
    font-size: 0.98rem;
  }

  .timeline.timeline--resume.timeline--compact .timeline-content {
    font-size: 0.92rem;
  }
}

/* ========================================
   首页区块：交替背景（确保层次清晰）
   ======================================== */

/* About 区块已是 secondary；接下来履历区块给白底，避免与 About 叠在同色背景上 */
.resume-section {
    background-color: var(--color-bg);
}

/* 精选作品区块用浅色背景，和“最新文章”形成交替 */
.featured-works {
    background-color: var(--color-bg-secondary);
}

/* 避免相邻区块出现“视觉双倍间距”（保持节奏一致） */
/* .resume-section + .featured-works,
.featured-works + .latest-articles {
    padding-top: 0;
} */

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}


/* 图标 */

/* 在线链接服务仅供平台体验和调试使用，平台不承诺服务的稳定性，企业客户需下载字体包自行发布使用并做好备份。 */
@font-face {
  font-family: 'iconfont';  /* Project id 5105494 */
  src: url('//at.alicdn.com/t/c/font_5105494_klwehludcqq.woff2?t=1767806928750') format('woff2'),
       url('//at.alicdn.com/t/c/font_5105494_klwehludcqq.woff?t=1767806928750') format('woff'),
       url('//at.alicdn.com/t/c/font_5105494_klwehludcqq.ttf?t=1767806928750') format('truetype');
}

/* iconfont base class */
.iconfont {
  font-family: 'iconfont' !important;
  font-style: normal;
  font-weight: normal;
  font-variant: normal;
  text-transform: none;
  line-height: 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 补充：确保伪元素一定可见（有些页面/重置样式会把 ::before 的 display/line-height 弄没） */
.iconfont::before {
  font-family: 'iconfont' !important;
  display: inline-block;
  line-height: 1;
  vertical-align: middle;
}

/* 补充：footer 社交图标的尺寸与按钮风格一致（不影响 share-btn 里已有的 sizing 规则） */
.footer .social-links .iconfont {
  font-size: 20px;
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}


/* footer social glyph（补充映射；已有则覆盖为相同值，不会影响其它样式） */
.icon-weixin1:before { content: "\e6b1"; }
.icon-sina0:before { content: "\e6a5"; }
.icon-douyinzhanghao:before { content: "\e602"; }
.icon-fuzhilianjie1:before { content: "\e619"; }
.icon-ins:before { content: "\e616"; }
.icon-telegrambai:before { content: "\e600"; }
.icon-bilibilizhanghao:before { content: "\e601"; }
.icon-baidu:before { content: "\e680"; }
.icon-circularprint:before { content: "\e685"; }
.icon-facebook0:before { content: "\e68a"; }
.icon-fuzhilianjie:before { content: "\e68d"; }
.icon-google0:before { content: "\e68f"; }
.icon-jia:before { content: "\e692"; }
.icon-kongjian0:before { content: "\e696"; }
.icon-linkedin0:before { content: "\e698"; }
.icon-pengyouquan:before { content: "\e69a"; }
.icon-qq:before { content: "\e6a0"; }
.icon-sina0:before { content: "\e6a5"; }
.icon-taobaoyin:before { content: "\e6a7"; }
.icon-twitter0:before { content: "\e6ab"; }
.icon-wangyi:before { content: "\e6ad"; }
.icon-weixin1:before { content: "\e6b1"; }
.icon-youjian:before { content: "\e6b6"; }
.icon-zhifubao:before { content: "\e6b8"; }
.icon-tieba0:before { content: "\e6bb"; }
.icon-zhihu0:before { content: "\e709"; }
.icon-douban0:before { content: "\e70a"; }
.icon-TwitterX:before { content: "\eb8e"; }
.icon-dingwei:before { content: "\ed4b"; }
.icon-shouji:before { content: "\e630"; }
.icon-weizhi:before { content: "\e824"; }