/* ============================================
   style.css — 极简风格 · BEM 命名 · 响应式
   ============================================ */

/* ---------- 设计令牌 ---------- */
:root {
    --color-bg:          #fafafa;
    --color-surface:     #ffffff;
    --color-text:        #1a1a1a;
    --color-text-light:  #6b6b6b;
    --color-accent:      #c9a96e;
    --color-accent-dark: #a8894e;
    --color-border:      #e5e5e5;
    --color-overlay:     rgba(0, 0, 0, 0.55);
    --color-hero-overlay: rgba(0, 0, 0, 0.6);
    --hero-bg-image: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1920&q=80');

    --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;

    --max-width:  1200px;
    --nav-height: 64px;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ---------- 重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
html.page-home {
    scroll-behavior: smooth;
    scroll-snap-type: y mandatory;
}
html:not(.page-home) { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: opacity var(--transition); }
a:hover { opacity: 0.7; }
ul { list-style: none; }

/* ---------- 导航（含下拉） ---------- */
.nav {
    position: fixed; top: 0; left: 0; right: 0;
    height: var(--nav-height);
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: transform var(--transition);
}
.nav--hidden { transform: translateY(-100%); }

.nav__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.15em;
}

.nav__links {
    display: flex;
    gap: 0;
    height: 100%;
}

/* ---------- 下拉菜单 ---------- */
.nav__dropdown {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

.nav__dropdown-trigger {
    padding: 0 20px;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    position: relative;
    display: flex;
    align-items: center;
    gap: 4px;
    height: 100%;
    cursor: pointer;
}
.nav__dropdown-trigger::after {
    content: '▾';
    font-size: 0.65rem;
    transition: transform var(--transition);
}
.nav__dropdown:hover .nav__dropdown-trigger::after {
    transform: rotate(180deg);
}

.nav__submenu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-top: 2px solid var(--color-accent);
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: all var(--transition);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.nav__dropdown:hover .nav__submenu {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.nav__submenu a {
    display: block;
    padding: 12px 20px;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition), color var(--transition);
}
.nav__submenu a:last-child { border-bottom: none; }
.nav__submenu a:hover {
    background: var(--color-bg);
    color: var(--color-text);
    opacity: 1;
}

/* ---------- 汉堡按钮 ---------- */
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition);
}
.nav__toggle--open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav__toggle--open span:nth-child(2) { opacity: 0; }
.nav__toggle--open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.nav-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.4);
    opacity: 0;
    pointer-events: none;
    z-index: 999;
    transition: opacity var(--transition);
}
.nav-overlay--visible { opacity: 1; pointer-events: auto; }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        var(--color-hero-overlay),
        var(--hero-bg-image) center/cover no-repeat;
    color: #fff;
    text-align: center;
}
.hero__overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.7));
}
.hero__content {
    position: relative; z-index: 1;
    max-width: 800px;
    padding: 0 24px;
}
.hero__title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 400;
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}
.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 300;
    letter-spacing: 0.15em;
    opacity: 0.8;
    margin-bottom: 40px;
}
.hero__scroll-hint {
    position: absolute; bottom: 40px;
    left: 50%; transform: translateX(-50%);
    z-index: 1;
    display: flex; flex-direction: column; align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    opacity: 0.6;
    text-transform: uppercase;
}
.hero__scroll-line {
    width: 1px; height: 40px;
    background: rgba(255,255,255,0.5);
    animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
    0%, 100% { transform: scaleY(0.5); opacity: 0.3; }
    50% { transform: scaleY(1); opacity: 1; }
}

/* ---------- 首页分节滚动 ---------- */
.page-home .home-snap {
    scroll-snap-align: start;
    scroll-snap-stop: always;
    height: 100vh;
    height: 100dvh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-sizing: border-box;
    overflow: hidden;
}
.page-home .hero {
    height: 100vh;
    height: 100dvh;
    min-height: 100dvh;
}
.page-home .section {
    padding: calc(var(--nav-height) + 48px) 24px;
}
.page-home .section__inner {
    width: 100%;
}
.page-home .section__subtitle {
    margin-bottom: 40px;
}
.page-home .section__cta {
    margin-top: 32px;
}
.page-home .profile__header {
    margin-bottom: 32px;
    padding-bottom: 32px;
}
.page-home .profile__contact {
    margin-top: 32px;
    padding-top: 24px;
}

/* ---------- 按钮 ---------- */
.btn {
    display: inline-block;
    padding: 14px 36px;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
}
.btn--outline {
    border: 1px solid currentColor;
    background: transparent;
    color: inherit;
}
.btn--outline:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
    opacity: 1;
}
.btn--solid {
    background: var(--color-accent);
    color: #fff;
}
.btn--solid:hover {
    background: var(--color-accent-dark);
    opacity: 1;
}

/* ---------- 通用 section ---------- */
.section { padding: 100px 24px; }
.section__inner { max-width: var(--max-width); margin: 0 auto; }
.section__title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 400;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}
.section__title--centered { text-align: center; }
.section__subtitle {
    text-align: center;
    color: var(--color-text-light);
    font-size: 1rem;
    margin-bottom: 60px;
}

.section__cta {
    text-align: center;
    margin-top: 48px;
}

/* ---------- 子楼层 ---------- */
.sub-section {
    margin-bottom: 60px;
}
.sub-section:last-child { margin-bottom: 0; }

.sub-section__title {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 400;
    margin-bottom: 28px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-accent-dark);
}

/* ---------- 卡片网格（统一组件） ---------- */
.card-grid {
    display: grid;
    gap: 24px;
}
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }
.card-grid--4 { grid-template-columns: repeat(4, 1fr); }
.card-grid--single {
    grid-template-columns: minmax(0, 720px);
    justify-content: center;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.card__image {
    aspect-ratio: 16 / 12;
    overflow: hidden;
}
.card__image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.card:hover .card__image img { transform: scale(1.05); }

/* 无真实图片的卡片（获奖等） */
.card__image--compact {
    aspect-ratio: auto;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.card__icon {
    font-size: 2.5rem;
    line-height: 1;
    opacity: 0.6;
}

.card__body { padding: 20px; }

.card__tag {
    display: inline-block;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 8px;
}
.card__title {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: 10px;
}
.card__desc {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 14px;
    line-height: 1.6;
}
.card__link {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-accent-dark);
}

/* ---------- 作品 ---------- */
.works { background: var(--color-bg); }

/* ---------- 研究 ---------- */
.research { background: var(--color-surface); }

/* ---------- 获奖 ---------- */
.awards { background: var(--color-bg); }

/* ---------- 履历 ---------- */
.profile { background: var(--color-surface); }

.profile__header {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--color-border);
}

/* ---------- 个人概况（二级页面顶部） ---------- */
.profile__summary {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--color-border);
}

.profile__name {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 400;
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

.profile__title {
    font-size: 0.95rem;
    color: var(--color-accent-dark);
    font-weight: 500;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}

.profile__bio {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 24px;
}

.profile__image-placeholder {
    aspect-ratio: 3 / 4;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--color-text-light);
    font-size: 0.875rem;
}
.profile__image-placeholder span { font-size: 3rem; }

.profile__lead {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.25rem;
    color: var(--color-accent-dark);
    margin-bottom: 24px;
    line-height: 1.6;
}
.profile__intro p {
    color: var(--color-text-light);
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.profile__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
}
.tag {
    padding: 6px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
}

/* ---------- 时间线（履历子楼层） ---------- */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.timeline__item {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 24px;
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border);
    align-items: start;
}
.timeline__item:first-child { padding-top: 0; }
.timeline__item:last-child { border-bottom: none; padding-bottom: 0; }

.timeline__year {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    color: var(--color-accent);
    line-height: 1.6;
}

.timeline__title {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 400;
    margin-bottom: 6px;
}
.timeline__desc {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ---------- 返回链接 ---------- */
.profile__back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
    transition: color var(--transition);
}
.profile__back:hover {
    color: var(--color-accent-dark);
    opacity: 1;
}

/* ---------- 联系方式 ---------- */
.profile__cta {
    text-align: center;
    margin-bottom: 40px;
}
.profile__cta-text {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: 16px;
}

.profile__contact {
    margin-top: 60px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
.profile__email {
    font-size: 0.95rem;
    color: var(--color-accent-dark);
    font-weight: 500;
    letter-spacing: 0.02em;
}
.profile__social {
    display: flex;
    gap: 24px;
}
.profile__social a {
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-light);
}

/* ---------- 页脚 ---------- */
.footer {
    background: var(--color-text);
    color: rgba(255,255,255,0.6);
    padding: 48px 24px;
    text-align: center;
}
.footer__inner { max-width: var(--max-width); margin: 0 auto; }
.footer p { font-size: 0.8rem; letter-spacing: 0.05em; }
.footer__tagline {
    margin-top: 8px;
    font-style: italic;
    font-family: var(--font-serif);
    color: rgba(255,255,255,0.4);
}

/* ============================================
   响应式
   ============================================ */

@media (max-width: 900px) {
    .profile__header,
    .profile__summary {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .profile__image-placeholder {
        max-width: 280px;
        margin: 0 auto;
    }
    .card-grid--3 { grid-template-columns: 1fr 1fr; }
    .card-grid--4 { grid-template-columns: 1fr 1fr; }
    .timeline__item {
        grid-template-columns: 120px 1fr;
    }
}

@media (max-width: 640px) {
    /* 移动端导航：下拉变为可见的展开项 */
    .nav__links {
        position: fixed;
        top: var(--nav-height);
        left: 0; right: 0;
        background: var(--color-surface);
        flex-direction: column;
        height: auto;
        padding: 16px 24px 24px;
        gap: 4px;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-110%);
        transition: transform var(--transition);
        overflow-y: auto;
        max-height: calc(100vh - var(--nav-height));
    }
    .nav__links--open { transform: translateY(0); }
    .nav__toggle { display: flex; }

    .nav__dropdown {
        height: auto;
        flex-direction: column;
        align-items: stretch;
    }
    .nav__dropdown-trigger {
        padding: 12px 0;
        height: auto;
        font-size: 0.9rem;
    }
    .nav__dropdown-trigger::after { display: none; }

    .nav__submenu {
        position: static;
        opacity: 1;
        pointer-events: auto;
        transform: none;
        border: none;
        border-top: none;
        box-shadow: none;
        background: var(--color-bg);
        margin-bottom: 4px;
    }
    .nav__submenu a {
        padding: 10px 16px;
        font-size: 0.85rem;
        border-bottom: none;
        border-left: 2px solid var(--color-border);
    }
    .nav__submenu a:last-child { border-bottom: none; }
    .nav__submenu a:hover {
        background: transparent;
        border-left-color: var(--color-accent);
    }

    .section { padding: 64px 20px; }
    .sub-section { margin-bottom: 40px; }
    .sub-section__title { font-size: 1.15rem; }

    .card-grid--3 { grid-template-columns: 1fr; }
    .card-grid--4 { grid-template-columns: 1fr; }
    .card__image--compact { height: 80px; }

    .hero__scroll-hint { display: none; }

    .timeline__item {
        grid-template-columns: 1fr;
        gap: 4px;
        padding: 16px 0;
    }
    .timeline__year { font-size: 0.85rem; }

    .profile__header,
    .profile__summary { margin-bottom: 40px; padding-bottom: 40px; }
    .profile__contact { margin-top: 40px; padding-top: 24px; }
    .profile__social { flex-direction: column; gap: 12px; align-items: center; }

    .section__subtitle { margin-bottom: 40px; }
}

/* ============================================
   详情页 — 作品 / 研究 / 获奖
   ============================================ */

.detail { min-height: 60vh; }
.detail__loading,
.detail__error-text {
    color: var(--color-text-light);
    padding: 80px 0;
    text-align: center;
}
.detail__category {
    font-size: 0.8rem;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
    margin-left: 12px;
}

/* —— 作品详情（MAD 悬浮分栏） —— */
.page-detail-split {
    background: #e8e8e8;
    overflow: hidden;
}
.page-detail-split .nav {
    background: rgba(255, 255, 255, 0.98);
    border-bottom-color: #e8e8e8;
    z-index: 1001;
}
.page-detail-split .footer { display: none; }
.detail--split {
    padding: 0 !important;
    min-height: 0;
}

/* 全屏浮层容器 */
.detail-split {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 900;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 半透明遮罩 */
.detail-split__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    opacity: 1;
    transition: opacity var(--transition);
}
.detail-split__backdrop:hover { opacity: 1; }

/* 悬浮面板 */
.detail-split__panel {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1320px;
    height: 100%;
    max-height: calc(100vh - var(--nav-height) - 40px);
    background: #fff;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: madPanelIn 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}
@keyframes madPanelIn {
    from {
        opacity: 0;
        transform: translateY(24px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 关闭按钮 */
.detail-split__close {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    line-height: 1;
    color: #111;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid #e8e8e8;
    border-radius: 50%;
    opacity: 1;
    transition: background var(--transition), transform var(--transition);
    cursor: pointer;
}
.detail-split__close:hover {
    background: #fff;
    transform: scale(1.05);
    opacity: 1;
}

/* 左右分栏 */
.detail-split__columns {
    display: grid;
    grid-template-columns: minmax(280px, 42%) 1fr;
    flex: 1;
    min-height: 0;
    height: 100%;
}

/* 左侧文字区 */
.detail-split__text {
    overflow-y: auto;
    overflow-x: hidden;
    border-right: 1px solid #eee;
    -webkit-overflow-scrolling: touch;
}
.detail-split__text-inner {
    padding: 48px 40px 56px;
    max-width: 520px;
}

/* 右侧图库区 */
.detail-split__media {
    overflow-y: auto;
    overflow-x: hidden;
    background: #f5f5f5;
    -webkit-overflow-scrolling: touch;
}
.detail-split__media-inner {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 6px;
    min-height: 100%;
}

/* 标题区 */
.detail-split__intro {
    margin-bottom: 32px;
}
.detail-split__title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 10px;
    padding-right: 48px;
}
.detail-split__subtitle {
    font-size: 0.95rem;
    color: #666;
    margin-bottom: 16px;
}
.detail-split__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    font-size: 0.8rem;
    color: #999;
    letter-spacing: 0.04em;
}
.detail-split__tags span + span::before {
    content: '·';
    margin-right: 20px;
    color: #ccc;
}

/* 叙事正文 */
.detail-split__story {
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid #eee;
}
.detail-split__lead {
    font-size: 0.95rem;
    line-height: 1.85;
    color: #333;
    margin-bottom: 1em;
}
.detail-split__body {
    font-size: 0.9rem;
    line-height: 1.9;
    color: #555;
}
.detail-split__body p + p { margin-top: 1.1em; }
.detail-split__body--collapsed {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
}
.detail-split__body--expanded {
    max-height: none;
    opacity: 1;
    transition: opacity 0.4s ease;
}
.detail-split__read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    padding: 0;
    border: none;
    background: none;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #111;
    cursor: pointer;
    transition: opacity var(--transition);
}
.detail-split__read-more:hover { opacity: 0.55; }
.detail-split__read-more-icon {
    font-size: 0.85rem;
    transition: transform var(--transition);
}
.detail-split__read-more[aria-expanded="true"] .detail-split__read-more-icon {
    transform: rotate(180deg);
}

/* Team */
/* 元信息区（Team / Info） */
.detail-split__meta {
    margin-top: 0;
}
.detail-split__meta-title {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #111;
    margin-bottom: 24px;
}
.detail-split__credits {
    display: grid;
    gap: 16px;
}
.detail-split__credit {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 16px;
    align-items: baseline;
}
.detail-split__credit dt {
    font-size: 0.75rem;
    color: #aaa;
    letter-spacing: 0.03em;
}
.detail-split__credit dd {
    font-size: 0.85rem;
    line-height: 1.6;
    color: #222;
}

/* 图片 */
.detail-split__figure {
    margin: 0;
    flex-shrink: 0;
}
.detail-split__figure img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* 研究：正文区块与关键词 */
.detail-split__block {
    margin-bottom: 1.5em;
}
.detail-split__block:last-child { margin-bottom: 0; }
.detail-split__block-title {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #999;
    margin-bottom: 8px;
}
.detail-split__block p {
    font-size: 0.9rem;
    line-height: 1.85;
    color: #555;
}
.detail-split__keywords {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}
.detail-split__keywords-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #999;
    margin-bottom: 12px;
}
.detail-split__keyword {
    display: inline-block;
    font-size: 0.75rem;
    padding: 4px 10px;
    margin: 0 6px 6px 0;
    background: #f5f5f5;
    color: #555;
    letter-spacing: 0.02em;
}

@media (max-width: 900px) {
    html.page-home {
        scroll-snap-type: none;
    }

    .page-home .home-snap {
        scroll-snap-align: none;
        scroll-snap-stop: normal;
        height: auto;
        min-height: auto;
        max-height: none;
        overflow: visible;
        display: block;
    }

    .page-home .hero {
        min-height: 100dvh;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .page-home .section {
        padding: calc(var(--nav-height) + 28px) 20px 56px;
    }

    .page-home .section__subtitle {
        margin-bottom: 28px;
    }

    .page-home .section__cta {
        margin-top: 24px;
    }

    .detail-split {
        padding: 12px;
    }
    .detail-split__panel {
        max-height: calc(100dvh - var(--nav-height) - 24px);
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
    }
    .detail-split__columns {
        grid-template-columns: 1fr;
        grid-template-rows: none;
        height: auto;
        min-height: 0;
    }
    .detail-split__text {
        max-height: none;
        overflow: visible;
        border-right: none;
        border-bottom: 1px solid #eee;
    }
    .detail-split__media {
        overflow: visible;
    }
    .detail-split__text-inner {
        padding: 32px 24px 28px;
    }
    .detail-split__media-inner {
        padding: 4px 4px 16px;
    }
}

@media (max-width: 640px) {
    .detail-split { padding: 8px; }
    .detail-split__text-inner { padding: 28px 20px 24px; }
    .detail-split__title { padding-right: 40px; }
    .detail-split__credit {
        grid-template-columns: 1fr;
        gap: 2px;
    }
    .detail-split__close {
        top: 12px;
        right: 12px;
        width: 36px;
        height: 36px;
    }
}

/* —— 研究详情 —— */
.detail-research {
    padding: 40px 0 80px;
}
.detail-research__layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    margin-top: 24px;
    align-items: start;
}
.detail-research__cover {
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--color-border);
}
.detail-research__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.detail-research__badges {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.detail-research__type {
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    color: var(--color-accent-dark);
    text-transform: uppercase;
}
.detail-research__title {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 400;
    line-height: 1.35;
    margin-bottom: 16px;
}
.detail-research__summary {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 24px;
}
.detail-research__info {
    display: flex;
    flex-wrap: wrap;
    gap: 24px 40px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}
.detail-research__info dt {
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: 2px;
}
.detail-research__info dd { font-size: 0.9rem; }
.detail-research__keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.detail-research__abstract {
    margin-top: 48px;
    padding: 32px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}
.detail-research__abstract-label {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: 12px;
    color: var(--color-accent-dark);
}
.detail-research__abstract p {
    font-size: 0.95rem;
    line-height: 1.9;
    color: var(--color-text);
}
.detail-research__sections {
    margin-top: 40px;
    display: grid;
    gap: 32px;
}
.detail-research__section-title {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 400;
    margin-bottom: 8px;
}
.detail-research__section p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* —— 获奖详情：左图右文 —— */
.page-detail-awards {
    background: var(--color-bg);
}
.detail--awards {
    padding-top: calc(var(--nav-height) + 40px) !important;
}

.detail-awards {
    padding-bottom: 80px;
}
.detail-awards .profile__back {
    margin-bottom: 32px;
}

/* 左右分栏 */
.detail-awards__layout {
    display: grid;
    grid-template-columns: minmax(260px, 42%) 1fr;
    gap: 56px;
    align-items: start;
}

/* 左侧：照片 / 证书 */
.detail-awards__media {
    position: sticky;
    top: calc(var(--nav-height) + 32px);
}
.detail-awards__photo {
    margin: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}
.detail-awards__photo img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}
.detail-awards__thumbs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 8px;
}
.detail-awards__photo--thumb img {
    aspect-ratio: 4/3;
    object-fit: cover;
}

/* 证书样式（无照片时） */
.detail-awards__cert {
    width: 100%;
}
.detail-awards__cert-frame {
    aspect-ratio: 3 / 4;
    padding: 3px;
    background: linear-gradient(145deg, #d4b87a, #a8894e, #c9a96e);
    box-shadow: 0 12px 40px rgba(168, 137, 78, 0.2);
}
.detail-awards__cert-inner {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 28px;
    background: linear-gradient(180deg, #fffef9 0%, #faf8f2 100%);
    border: 1px solid rgba(201, 169, 110, 0.3);
}
.detail-awards__cert-icon {
    font-size: 3rem;
    line-height: 1;
    margin-bottom: 16px;
}
.detail-awards__cert-label {
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent-dark);
    margin-bottom: 20px;
}
.detail-awards__cert-title {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    line-height: 1.5;
    color: var(--color-text);
    margin-bottom: 12px;
    max-width: 240px;
}
.detail-awards__cert-level {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-accent-dark);
    letter-spacing: 0.05em;
}
.detail-awards__cert-divider {
    width: 48px;
    height: 1px;
    background: var(--color-accent);
    margin: 20px 0;
}
.detail-awards__cert-org {
    font-size: 0.8rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 8px;
}
.detail-awards__cert-year {
    font-size: 0.75rem;
    color: #aaa;
    letter-spacing: 0.08em;
}

/* 右侧：文字信息 */
.detail-awards__info {
    padding-top: 8px;
}
.detail-awards__badges {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 16px;
    margin-bottom: 16px;
}
.detail-awards__category,
.detail-awards__year {
    font-size: 0.8rem;
    color: var(--color-text-light);
    letter-spacing: 0.03em;
}
.detail-awards__category::after {
    content: '·';
    margin-left: 16px;
    color: #ccc;
}
.detail-awards__title {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 400;
    line-height: 1.35;
    margin-bottom: 10px;
}
.detail-awards__organizer {
    font-size: 0.9rem;
    color: var(--color-accent-dark);
    font-weight: 500;
    margin-bottom: 20px;
}
.detail-awards__summary {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.85;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--color-border);
}
.detail-awards__details {
    margin-top: 28px;
    display: grid;
    gap: 0;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
}
.detail-awards__detail-row {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 20px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--color-border);
    margin: 0;
}
.detail-awards__detail-row:last-child { border-bottom: none; }
.detail-awards__detail-label {
    font-size: 0.78rem;
    color: var(--color-text-light);
    letter-spacing: 0.03em;
    margin: 0;
}
.detail-awards__detail-value {
    font-size: 0.9rem;
    line-height: 1.65;
    color: var(--color-text);
    margin: 0;
}
.detail-awards__description {
    margin-top: 32px;
}
.detail-awards__desc-label {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 400;
    margin-bottom: 12px;
    color: var(--color-accent-dark);
}
.detail-awards__description p {
    font-size: 0.92rem;
    line-height: 1.9;
    color: var(--color-text);
}

@media (max-width: 900px) {
    .detail-research__layout { grid-template-columns: 1fr; }
    .detail-awards__layout {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .detail-awards__media {
        position: static;
        max-width: 420px;
        margin: 0 auto;
    }
}

@media (max-width: 640px) {
    .detail--awards {
        padding-top: calc(var(--nav-height) + 24px) !important;
    }
    .detail-awards__detail-row {
        grid-template-columns: 1fr;
        gap: 4px;
    }
    .detail-awards__cert-inner { padding: 32px 20px; }
}

/* ---------- 进入动画 ---------- */
.js-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.js-reveal--visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- 图片原图 Lightbox ---------- */
.detail-split__figure img,
.detail-awards__photo img {
    cursor: zoom-in;
}

.image-lightbox {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(0, 0, 0, 0.92);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}
.image-lightbox--open {
    opacity: 1;
    visibility: visible;
}
.image-lightbox__close {
    position: absolute;
    top: 20px;
    right: 24px;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 1.75rem;
    line-height: 1;
    cursor: pointer;
}
.image-lightbox__stage {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-height: calc(100vh - 80px);
    position: relative;
}
.image-lightbox__img {
    max-width: min(96vw, 1600px);
    max-height: calc(100vh - 96px);
    width: auto;
    height: auto;
    object-fit: contain;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}
.image-lightbox__loading {
    position: absolute;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    letter-spacing: 0.04em;
}
.image-lightbox__hint {
    margin-top: 12px;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 0.04em;
}