/* ============================================
   光圈俱乐部 - 主样式表
   CSS前缀: lens-
   设计风格: 相机取景器风
   ============================================ */

/* --- 基础重置与变量 --- */
:root {
    --lens-primary: #121212;
    --lens-white: #FFFFFF;
    --lens-gold: #FDB813;
    --lens-text: #E0E0E0;
    --lens-link: #FDB813;
    --lens-dark-bg: #0a0a0a;
    --lens-card-bg: #1a1a1a;
    --lens-border: #333333;
    --lens-font-title: 'Futura', 'Century Gothic', 'Trebuchet MS', sans-serif;
    --lens-font-body: 'Helvetica Neue', 'Arial', sans-serif;
}

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

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

body {
    background-color: var(--lens-primary);
    color: var(--lens-text);
    font-family: var(--lens-font-body);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    color: var(--lens-link);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #ffe066;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--lens-font-title);
    color: var(--lens-white);
    line-height: 1.3;
}

/* --- 干扰标签隐藏 --- */
.shutter-jammer-block {
    display: none !important;
}

/* --- 导航栏 --- */
#lens-header {
    width: 100%;
    background: rgba(18, 18, 18, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    transition: background 0.3s ease;
    border-bottom: 1px solid rgba(253, 184, 19, 0.1);
}

#lens-header.lens-header-solid {
    background: rgba(18, 18, 18, 0.98);
}

.lens-nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.lens-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.lens-logo-icon {
    width: 40px;
    height: 40px;
    position: relative;
}

.lens-logo-icon svg {
    width: 100%;
    height: 100%;
}

.sp-logo-text {
    font-family: var(--lens-font-title);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--lens-white);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.lens-nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.lens-nav-menu li a {
    color: var(--lens-text);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

.lens-nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--lens-gold);
    transition: width 0.3s ease;
}

.lens-nav-menu li a:hover {
    color: var(--lens-gold);
}

.lens-nav-menu li a:hover::after {
    width: 100%;
}

/* 汉堡菜单 */
.lens-hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    z-index: 1100;
}

.lens-hamburger span {
    width: 28px;
    height: 2px;
    background: var(--lens-white);
    transition: all 0.3s ease;
}

.lens-hamburger.lens-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.lens-hamburger.lens-active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 移动端侧边菜单 */
.lens-mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1050;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lens-mobile-overlay.lens-active {
    display: block;
    opacity: 1;
}

.lens-mobile-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100%;
    background: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1060;
    padding: 80px 2rem 2rem;
    transition: right 0.3s ease;
    border-left: 1px solid rgba(253, 184, 19, 0.2);
}

.lens-mobile-menu.lens-active {
    right: 0;
}

.lens-mobile-menu ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.lens-mobile-menu ul li a {
    color: var(--lens-text);
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 1px;
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: color 0.3s, padding-left 0.3s;
}

.lens-mobile-menu ul li a:hover {
    color: var(--lens-gold);
    padding-left: 0.5rem;
}

/* --- Hero / 黄金眼模块 --- */
.lens-hero {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--lens-dark-bg);
}

.lens-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
    filter: brightness(0.5);
}

.lens-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(18,18,18,0.3) 0%, rgba(18,18,18,0.8) 100%);
}

.lens-hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 2rem;
    max-width: 800px;
}

.lens-hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    color: var(--lens-white);
}

.lens-hero-content h1 span {
    color: var(--lens-gold);
}

.lens-hero-tagline {
    font-size: 1.2rem;
    color: var(--lens-text);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.lens-viewfinder-frame {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70%;
    height: 70%;
    pointer-events: none;
    z-index: 5;
}

.lens-viewfinder-frame::before,
.lens-viewfinder-frame::after {
    content: '';
    position: absolute;
    border-color: rgba(255, 255, 255, 0.3);
    border-style: solid;
}

.lens-viewfinder-frame::before {
    top: 0;
    left: 0;
    width: 40px;
    height: 40px;
    border-width: 2px 0 0 2px;
}

.lens-viewfinder-frame::after {
    top: 0;
    right: 0;
    width: 40px;
    height: 40px;
    border-width: 2px 2px 0 0;
}

.lens-vf-bottom-left,
.lens-vf-bottom-right {
    position: absolute;
    width: 40px;
    height: 40px;
    border-color: rgba(255, 255, 255, 0.3);
    border-style: solid;
}

.lens-vf-bottom-left {
    bottom: 0;
    left: 0;
    border-width: 0 0 2px 2px;
}

.lens-vf-bottom-right {
    bottom: 0;
    right: 0;
    border-width: 0 2px 2px 0;
}

.lens-vf-crosshair {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
}

.lens-vf-crosshair::before,
.lens-vf-crosshair::after {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.4);
}

.lens-vf-crosshair::before {
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
}

.lens-vf-crosshair::after {
    left: 50%;
    top: 0;
    width: 1px;
    height: 100%;
}

/* --- 按钮样式 --- */
.lens-btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border: 1px solid var(--lens-white);
    color: var(--lens-white);
    font-family: var(--lens-font-title);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    background: transparent;
    transition: all 0.3s ease;
    text-decoration: none;
}

.lens-btn:hover {
    background: var(--lens-gold);
    border-color: var(--lens-gold);
    color: var(--lens-primary);
}

.lens-btn-gold {
    border-color: var(--lens-gold);
    color: var(--lens-gold);
}

.lens-btn-gold:hover {
    background: var(--lens-gold);
    color: var(--lens-primary);
}

/* --- 通用模块样式 --- */
.lens-section {
    padding: 5rem 2rem;
    max-width: 1440px;
    margin: 0 auto;
}

.lens-section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.lens-section-title {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: var(--lens-white);
    margin-bottom: 0.5rem;
}

.lens-section-subtitle {
    font-size: 1rem;
    color: rgba(224, 224, 224, 0.7);
    max-width: 600px;
    margin: 0 auto;
}

.lens-divider {
    width: 60px;
    height: 2px;
    background: var(--lens-gold);
    margin: 1rem auto;
}

/* --- 焦点人物模块 --- */
.lens-focus-people {
    background: var(--lens-dark-bg);
    padding: 5rem 2rem;
}

.lens-focus-card {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 3rem;
    align-items: center;
}

.lens-focus-portrait {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid rgba(253, 184, 19, 0.3);
    margin: 0 auto;
    position: relative;
}

.lens-focus-portrait img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lens-focus-portrait::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    border: 1px dashed rgba(253, 184, 19, 0.2);
}

.lens-focus-info h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.lens-focus-info .lens-focus-role {
    color: var(--lens-gold);
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.lens-focus-info p {
    color: var(--lens-text);
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* --- 主题策展模块 --- */
.lens-curation {
    padding: 5rem 2rem;
}

.lens-curation-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.lens-curation-card {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--lens-border);
    background: var(--lens-card-bg);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.lens-curation-card:hover {
    transform: translateY(-5px);
    border-color: var(--lens-gold);
}

.lens-curation-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    filter: brightness(0.8);
    transition: filter 0.3s ease;
}

.lens-curation-card:hover img {
    filter: brightness(1);
}

.lens-curation-card-body {
    padding: 1.5rem;
}

.lens-curation-card-body h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.lens-curation-card-body p {
    font-size: 0.9rem;
    color: rgba(224, 224, 224, 0.7);
    margin-bottom: 1rem;
}

.lens-curation-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: rgba(224, 224, 224, 0.5);
}

/* --- 灵感画廊 (瀑布流) --- */
.lens-gallery {
    padding: 5rem 2rem;
    background: var(--lens-dark-bg);
}

.lens-gallery-grid {
    max-width: 1400px;
    margin: 0 auto;
    columns: 4;
    column-gap: 1rem;
}

.lens-gallery-item {
    break-inside: avoid;
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.lens-gallery-item:hover {
    border-color: var(--lens-gold);
}

.lens-gallery-item img {
    width: 100%;
    display: block;
    transition: transform 0.5s ease, filter 0.5s ease;
    filter: brightness(0.85);
}

.lens-gallery-item:hover img {
    transform: scale(1.03);
    filter: brightness(1);
}

.lens-gallery-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lens-gallery-item:hover .lens-gallery-item-overlay {
    opacity: 1;
}

.lens-gallery-item-overlay h4 {
    font-size: 0.95rem;
    margin-bottom: 0.3rem;
}

.lens-gallery-item-overlay span {
    font-size: 0.8rem;
    color: var(--lens-gold);
}

/* --- 器材评测模块 --- */
.lens-gear-review {
    padding: 5rem 2rem;
}

.lens-gear-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.lens-gear-card {
    background: var(--lens-card-bg);
    border: 1px solid var(--lens-border);
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.lens-gear-card:hover {
    border-color: var(--lens-gold);
}

.lens-gear-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.lens-gear-card-body {
    padding: 1.5rem;
}

.lens-gear-card-body h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.lens-gear-card-body p {
    font-size: 0.9rem;
    color: rgba(224, 224, 224, 0.7);
    margin-bottom: 1rem;
}

.lens-gear-rating {
    color: var(--lens-gold);
    font-size: 0.85rem;
    letter-spacing: 2px;
}

/* --- 幕后故事模块 --- */
.lens-behind-scenes {
    padding: 5rem 2rem;
    background: var(--lens-dark-bg);
}

.lens-behind-card {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.lens-behind-image {
    overflow: hidden;
    border: 1px solid var(--lens-border);
}

.lens-behind-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.lens-behind-image:hover img {
    transform: scale(1.03);
}

.lens-behind-text h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.lens-behind-text p {
    color: var(--lens-text);
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* --- 商业合作模块 --- */
.lens-business {
    padding: 5rem 2rem;
    text-align: center;
    background: linear-gradient(135deg, #121212 0%, #1a1510 50%, #121212 100%);
    position: relative;
}

.lens-business-content {
    max-width: 800px;
    margin: 0 auto;
}

.lens-business-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.lens-business-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

.lens-business-feature {
    padding: 2rem 1rem;
    border: 1px solid var(--lens-border);
    transition: border-color 0.3s ease;
}

.lens-business-feature:hover {
    border-color: var(--lens-gold);
}

.lens-business-feature h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--lens-gold);
}

.lens-business-feature p {
    font-size: 0.85rem;
    color: rgba(224, 224, 224, 0.6);
    margin-bottom: 0;
}

/* --- 社区热议模块 --- */
.lens-community {
    padding: 5rem 2rem;
    background: var(--lens-dark-bg);
}

.lens-community-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.lens-community-topic {
    background: var(--lens-card-bg);
    border: 1px solid var(--lens-border);
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    transition: border-color 0.3s ease;
}

.lens-community-topic:hover {
    border-color: var(--lens-gold);
}

.lens-community-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--lens-border);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--lens-gold);
    font-weight: 700;
    font-size: 1.1rem;
}

.lens-community-topic h4 {
    font-size: 1rem;
    margin-bottom: 0.3rem;
}

.lens-community-topic p {
    font-size: 0.85rem;
    color: rgba(224, 224, 224, 0.6);
    margin-bottom: 0.5rem;
}

.lens-community-meta {
    font-size: 0.75rem;
    color: rgba(224, 224, 224, 0.4);
}

/* --- 行业洞察模块 --- */
.lens-insights {
    padding: 5rem 2rem;
}

.lens-insights-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.lens-insight-card {
    background: var(--lens-card-bg);
    border: 1px solid var(--lens-border);
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.lens-insight-card:hover {
    border-color: var(--lens-gold);
}

.lens-insight-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.lens-insight-card-body {
    padding: 1.5rem;
}

.lens-insight-card-body .lens-tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border: 1px solid var(--lens-gold);
    color: var(--lens-gold);
    font-size: 0.7rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 0.8rem;
}

.lens-insight-card-body h3 {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}

.lens-insight-card-body p {
    font-size: 0.85rem;
    color: rgba(224, 224, 224, 0.6);
}

/* --- 加入我们模块 --- */
.lens-join {
    padding: 6rem 2rem;
    text-align: center;
    background: linear-gradient(180deg, var(--lens-primary) 0%, #1a1510 50%, var(--lens-primary) 100%);
    position: relative;
}

.lens-join-content {
    max-width: 700px;
    margin: 0 auto;
}

.lens-join-content h2 {
    font-size: 2.5rem;
    letter-spacing: 4px;
    margin-bottom: 1.5rem;
}

.lens-join-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.lens-join-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin: 3rem 0;
}

.lens-join-stat {
    text-align: center;
}

.lens-join-stat-number {
    font-family: var(--lens-font-title);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--lens-gold);
    display: block;
}

.lens-join-stat-label {
    font-size: 0.85rem;
    color: rgba(224, 224, 224, 0.6);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- 页脚 --- */
#lens-footer {
    background: #0a0a0a;
    padding: 4rem 2rem 2rem;
    border-top: 1px solid rgba(253, 184, 19, 0.1);
}

.lens-footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.lens-footer-col h4 {
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    color: var(--lens-gold);
}

.lens-footer-col p {
    font-size: 0.85rem;
    color: rgba(224, 224, 224, 0.6);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.lens-footer-col a {
    color: rgba(224, 224, 224, 0.6);
    font-size: 0.85rem;
    transition: color 0.3s;
}

.lens-footer-col a:hover {
    color: var(--lens-gold);
}

.lens-footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.lens-footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.lens-footer-social a {
    width: 36px;
    height: 36px;
    border: 1px solid var(--lens-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--lens-text);
    font-size: 0.8rem;
    transition: all 0.3s;
}

.lens-footer-social a:hover {
    border-color: var(--lens-gold);
    color: var(--lens-gold);
}

.lens-footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    font-size: 0.8rem;
    color: rgba(224, 224, 224, 0.4);
    line-height: 2;
}

.lens-footer-bottom a {
    color: rgba(224, 224, 224, 0.5);
}

.lens-footer-bottom a:hover {
    color: var(--lens-gold);
}

.lens-footer-honor {
    margin-top: 0.5rem;
    color: var(--lens-gold);
    font-size: 0.75rem;
}

/* --- 内页Banner --- */
.lens-page-banner {
    position: relative;
    width: 100%;
    height: 50vh;
    min-height: 350px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lens-page-banner img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.4);
}

.lens-page-banner-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 2rem;
}

.lens-page-banner-content h1 {
    font-size: 2.5rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.lens-page-banner-content p {
    font-size: 1.1rem;
    color: rgba(224, 224, 224, 0.8);
    max-width: 600px;
    margin: 0 auto;
}

/* --- 内页内容区 --- */
.lens-page-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.lens-article-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1rem;
    line-height: 2;
}

.lens-article-content p {
    margin-bottom: 1.5rem;
}

.lens-article-content h2 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
}

.lens-article-content h3 {
    font-size: 1.2rem;
    margin: 1.5rem 0 0.8rem;
}

.lens-article-content img {
    width: 100%;
    margin: 2rem 0;
    border: 1px solid var(--lens-border);
}

/* --- 暗房页面样式 --- */
.lens-darkroom-section {
    padding: 4rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.lens-darkroom-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    justify-content: center;
}

.lens-darkroom-tab {
    padding: 0.6rem 1.5rem;
    border: 1px solid var(--lens-border);
    background: transparent;
    color: var(--lens-text);
    font-family: var(--lens-font-title);
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s;
}

.lens-darkroom-tab.lens-active,
.lens-darkroom-tab:hover {
    background: var(--lens-gold);
    border-color: var(--lens-gold);
    color: var(--lens-primary);
}

.lens-exhibition-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.lens-exhibition-card {
    background: var(--lens-card-bg);
    border: 1px solid var(--lens-border);
    overflow: hidden;
    transition: all 0.3s;
}

.lens-exhibition-card:hover {
    border-color: var(--lens-gold);
    transform: translateY(-3px);
}

.lens-exhibition-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.lens-exhibition-card-body {
    padding: 1.5rem;
}

.lens-exhibition-card-body h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.lens-exhibition-card-body p {
    font-size: 0.85rem;
    color: rgba(224, 224, 224, 0.6);
    margin-bottom: 1rem;
}

.lens-vote-bar {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.lens-vote-btn {
    padding: 0.4rem 1rem;
    border: 1px solid var(--lens-gold);
    background: transparent;
    color: var(--lens-gold);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s;
}

.lens-vote-btn:hover {
    background: var(--lens-gold);
    color: var(--lens-primary);
}

.lens-vote-count {
    font-size: 0.85rem;
    color: var(--lens-gold);
}

/* --- APP下载页面 --- */
.lens-app-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    background: radial-gradient(ellipse at center, #1a1510 0%, var(--lens-primary) 70%);
}

.lens-aperture-animation {
    width: 200px;
    height: 200px;
    margin: 0 auto 3rem;
    position: relative;
}

.lens-aperture-blade {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.lens-app-content h2 {
    font-size: 2.5rem;
    letter-spacing: 3px;
    margin-bottom: 1rem;
}

.lens-app-content p {
    font-size: 1.1rem;
    color: var(--lens-text);
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

.lens-app-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.lens-app-btn {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1.5rem;
    border: 1px solid var(--lens-white);
    color: var(--lens-white);
    text-decoration: none;
    transition: all 0.3s;
}

.lens-app-btn:hover {
    border-color: var(--lens-gold);
    background: rgba(253, 184, 19, 0.1);
    color: var(--lens-gold);
}

.lens-app-btn-icon {
    font-size: 1.5rem;
}

.lens-app-btn-text {
    text-align: left;
}

.lens-app-btn-text small {
    display: block;
    font-size: 0.7rem;
    opacity: 0.7;
}

.lens-app-btn-text strong {
    font-size: 1rem;
}

.lens-app-mockup {
    max-width: 350px;
    margin: 3rem auto 0;
}

.lens-app-mockup img {
    width: 100%;
    border-radius: 20px;
}

/* --- 内页作品网格 --- */
.lens-works-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.lens-work-card {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--lens-border);
    transition: all 0.3s;
}

.lens-work-card:hover {
    border-color: var(--lens-gold);
}

.lens-work-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.lens-work-card-info {
    padding: 1.2rem;
    background: var(--lens-card-bg);
}

.lens-work-card-info h3 {
    font-size: 1rem;
    margin-bottom: 0.3rem;
}

.lens-work-card-info span {
    font-size: 0.8rem;
    color: rgba(224, 224, 224, 0.5);
}

/* --- 图片加载动画 (焦距变化) --- */
.lens-img-load {
    animation: lensFocusIn 0.8s ease-out;
}

@keyframes lensFocusIn {
    0% {
        filter: blur(10px);
        opacity: 0.5;
    }
    100% {
        filter: blur(0);
        opacity: 1;
    }
}

/* --- 光圈开合转场 --- */
.lens-page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --- 响应式设计 --- */

/* 1440px */
@media (max-width: 1440px) {
    .lens-gallery-grid {
        columns: 3;
    }
}

/* 1024px */
@media (max-width: 1024px) {
    .lens-focus-card {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .lens-behind-card {
        grid-template-columns: 1fr;
    }

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

    .lens-gallery-grid {
        columns: 2;
    }

    .lens-gear-grid {
        grid-template-columns: 1fr;
    }

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

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

    .lens-business-features {
        grid-template-columns: 1fr;
    }

    .lens-footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

/* 768px */
@media (max-width: 768px) {
    .lens-nav-menu {
        display: none;
    }

    .lens-hamburger {
        display: flex;
    }

    .lens-hero-content h1 {
        font-size: 2rem;
    }

    .lens-section-title {
        font-size: 1.5rem;
        letter-spacing: 3px;
    }

    .lens-curation-grid {
        grid-template-columns: 1fr;
    }

    .lens-community-grid {
        grid-template-columns: 1fr;
    }

    .lens-insights-grid {
        grid-template-columns: 1fr;
    }

    .lens-exhibition-grid {
        grid-template-columns: 1fr;
    }

    .lens-join-stats {
        flex-direction: column;
        gap: 2rem;
    }

    .lens-page-banner {
        height: 40vh;
        min-height: 250px;
    }

    .lens-page-banner-content h1 {
        font-size: 1.8rem;
    }

    .lens-app-content h2 {
        font-size: 1.8rem;
    }
}

/* 360px */
@media (max-width: 360px) {
    .lens-hero-content h1 {
        font-size: 1.5rem;
    }

    .lens-gallery-grid {
        columns: 1;
    }

    .lens-section {
        padding: 3rem 1rem;
    }

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

    .lens-nav-container {
        padding: 0 1rem;
    }
}