/* 全局基础设置 */

:root {

    --bg-color: #0b0b0d;

    --text-primary: #ffffff;

    --text-secondary: #8b8b99;

    --accent-color: #ff4655;

    --accent-glow: rgba(255, 70, 85, 0.15);

    --nav-height: 80px;

    --nav-bg: rgba(11, 11, 13, 0.85);

    --nav-border: rgba(255, 255, 255, 0.05);

    --card-bg: rgba(255, 255, 255, 0.015);

    --card-border: rgba(255, 255, 255, 0.06);

    --divider-color: #333;

    --equipment-bg: rgba(255, 255, 255, 0.02);

    --equipment-border: #333;

    --scrollbar-thumb: #2a2a2f;

    --scrollbar-thumb-hover: #3a3a3f;

    --orb-opacity-warm: 0.12;

    --orb-opacity-cool: 0.12;

    --grain-opacity: 0.035;

    --lightbox-bg: rgba(5, 5, 7, 0.95);

}


html {

    scroll-behavior: smooth;

}


body {

    margin: 0;

    padding: 0;

    background-color: var(--bg-color);

    color: var(--text-primary);

    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;

    -webkit-font-smoothing: antialiased;

    overflow-x: hidden;

}


/* 自定义选中颜色 */

::selection {

    background: rgba(255, 70, 85, 0.35);

    color: #fff;

}


/* 暗色滚动条 */

::-webkit-scrollbar { width: 6px; }

::-webkit-scrollbar-track { background: var(--bg-color); }

::-webkit-scrollbar-thumb {

    background: var(--scrollbar-thumb);

    border-radius: 3px;

}

::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover); }


/* =========================================

   氛围层 — 动态光晕 + 胶片颗粒

   ========================================= */

.bg-orb {

    position: fixed;

    border-radius: 50%;

    filter: blur(120px);

    pointer-events: none;

    z-index: 0;

    opacity: var(--orb-opacity-warm);

}

.bg-orb--warm {

    width: 600px; height: 600px;

    background: radial-gradient(circle, rgba(255, 70, 85, 0.4) 0%, transparent 70%);

    top: -200px; left: -150px;

    animation: orbDrift1 20s ease-in-out infinite;

}

.bg-orb--cool {

    width: 500px; height: 500px;

    background: radial-gradient(circle, rgba(100, 130, 255, 0.3) 0%, transparent 70%);

    bottom: -150px; right: -150px;

    animation: orbDrift2 25s ease-in-out infinite;

}


.grain-overlay {

    position: fixed;

    inset: 0;

    pointer-events: none;

    z-index: 1;

    opacity: var(--grain-opacity);

    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");

    background-repeat: repeat;

    background-size: 256px 256px;

}


/* 导航栏样式(Logo左 标题中 菜单右) */

.navbar {

    display: flex;

    justify-content: space-between;

    align-items: center;

    height: var(--nav-height);

    padding: 0 5%;

    position: sticky;

    top: 0;

    background: var(--nav-bg);

    backdrop-filter: blur(12px);

    -webkit-backdrop-filter: blur(12px);

    z-index: 1000;

    border-bottom: 1px solid var(--nav-border);

    animation: slideDown 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;

}


.nav-left, .nav-right {

    flex: 1;

    display: flex;

}


.nav-left { justify-content: flex-start; align-items: center; }

.nav-right { justify-content: flex-end; align-items: center; gap: 1.2rem; }


.nav-center {

    position: absolute;

    left: 50%;

    transform: translateX(-50%);

    text-align: center;

}


.logo {

    height: 42px;

    width: auto;

    object-fit: contain;

    transition: all 0.3s ease;

    filter: brightness(0.9);

}

.logo:hover {

    transform: scale(1.08);

    filter: brightness(1.1) drop-shadow(0 0 8px rgba(255, 255, 255, 0.15));

}


.site-title {

    font-size: 1.1rem;

    font-weight: 400;

    letter-spacing: 4px;

    text-transform: uppercase;

    color: var(--text-primary);

    opacity: 0.85;

}


.nav-links {

    list-style: none;

    display: flex;

    gap: 2rem;

    margin: 0;

    padding: 0;

}


.nav-links a {

    color: var(--text-secondary);

    text-decoration: none;

    font-size: 0.85rem;

    letter-spacing: 1.5px;

    transition: all 0.35s ease;

    position: relative;

    padding-bottom: 5px;

}

.nav-links a:hover {

    color: var(--text-primary);

    letter-spacing: 2.5px;

}


.nav-links a.active {

    color: var(--text-primary);

}

.nav-links a.active::after {

    width: 100%;

}


.nav-links a::after {

    content: '';

    position: absolute;

    width: 0;

    height: 2px;

    bottom: 0;

    left: 50%;

    transform: translateX(-50%);

    background-color: var(--accent-color);

    transition: width 0.3s ease;

}


.nav-links a:hover::after {

    width: 100%;

}


/* 页面标题 */

.section-title {

    text-align: center;

    margin: 3rem 0 2rem;

}

.section-title h2 {

    font-weight: 300;

    letter-spacing: 8px;

    margin: 0 0 10px;

    text-transform: uppercase;

    animation: clipReveal 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;

}

.section-title p {

    color: var(--text-secondary);

    font-size: 0.9rem;

    letter-spacing: 2px;

    margin: 0;

    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s both;

}


/* 标题装饰线 */

.section-title::after {

    content: '';

    display: block;

    width: 60px;

    height: 1px;

    background: var(--accent-color);

    margin: 18px auto 0;

    opacity: 0;

    animation: fadeInUp 0.6s ease 0.7s both;

}


/* 响应式画廊布局 */

main { padding: 0 5% 4rem; position: relative; z-index: 2; }


.gallery {

    display: grid;

    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));

    grid-auto-rows: 250px;

    grid-auto-flow: dense;

    gap: 20px;

}


/* 画廊包装器 — 裁剪 + 悬停容器 */

.gallery-item-wrapper {

    position: relative;

    overflow: hidden;

    border-radius: 6px;

    cursor: pointer;

    opacity: 0;

    transform: translateY(40px);

    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),

                transform 0.7s cubic-bezier(0.16, 1, 0.3, 1),

                box-shadow 0.5s ease;

}

.gallery-item-wrapper.visible {

    opacity: 1;

    transform: translateY(0);

}


/* 图片 */

.gallery-item {

    width: 100%;

    height: 100%;

    object-fit: cover;

    display: block;

    filter: brightness(0.85) grayscale(10%);

    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);

}


/* 暗角效果 */

.gallery-item-wrapper::before {

    content: '';

    position: absolute;

    inset: 0;

    z-index: 1;

    pointer-events: none;

    box-shadow: inset 0 0 80px rgba(0, 0, 0, 0.5);

    transition: box-shadow 0.6s ease;

}


/* 悬停渐变遮罩 */

.gallery-item-wrapper::after {

    content: '';

    position: absolute;

    bottom: 0; left: 0; right: 0;

    height: 60%;

    z-index: 1;

    pointer-events: none;

    background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, transparent 100%);

    opacity: 0;

    transition: opacity 0.5s ease;

}


/* 悬停状态 */

.gallery-item-wrapper:hover {

    z-index: 2;

    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7),

                0 0 0 1px rgba(255, 70, 85, 0.15),

                inset 0 -4px 0 var(--accent-color);

}

.gallery-item-wrapper:hover .gallery-item {

    filter: brightness(1.05) grayscale(0%) saturate(1.1);

    transform: scale(1.06);

}

.gallery-item-wrapper:hover::before {

    box-shadow: inset 0 0 120px rgba(0, 0, 0, 0.35);

}

.gallery-item-wrapper:hover::after {

    opacity: 1;

}

.gallery-item-wrapper:hover .gallery-overlay {

    opacity: 1;

    transform: translateY(0);

}


/* 悬停文字层 */

.gallery-overlay {

    position: absolute;

    bottom: 0; left: 0; right: 0;

    z-index: 2;

    padding: 20px 20px 16px;

    opacity: 0;

    transform: translateY(8px);

    transition: opacity 0.4s ease, transform 0.4s ease;

    pointer-events: none;

    display: flex;

    justify-content: space-between;

    align-items: flex-end;

    gap: 12px;

}

.overlay-title {

    color: #fff;

    font-size: 0.85rem;

    letter-spacing: 2px;

    font-weight: 400;

    text-align: left;

    flex-shrink: 0;

}

.overlay-meta {

    display: flex;

    flex-direction: column;

    align-items: flex-end;

    gap: 2px;

    max-width: 55%;

}

.meta-camera {

    color: rgba(255, 255, 255, 0.7);

    font-size: 0.65rem;

    letter-spacing: 1px;

    font-weight: 400;

    white-space: nowrap;

}

.meta-settings {

    color: rgba(255, 255, 255, 0.45);

    font-size: 0.55rem;

    letter-spacing: 1px;

    font-weight: 300;

    white-space: nowrap;

}


.span-2-row { grid-row: span 2; }

.span-2-col { grid-column: span 2; }


/* Lightbox */

.lightbox {

    display: none;

    position: fixed;

    z-index: 2000;

    left: 0; top: 0; width: 100%; height: 100%;

    background-color: var(--lightbox-bg);

    backdrop-filter: blur(20px);

    -webkit-backdrop-filter: blur(20px);

    align-items: center; justify-content: center;

    animation: fadeIn 0.3s ease;

}


.lightbox-content {

    max-width: 90%; max-height: 85vh;

    object-fit: contain;

    border-radius: 4px;

    box-shadow: 0 0 60px rgba(0,0,0,0.9);

    animation: zoomIn 0.45s cubic-bezier(0.16, 1, 0.3, 1);

}


@keyframes fadeIn {

    from { opacity: 0; }

    to { opacity: 1; }

}

@keyframes zoomIn {

    from { opacity: 0; transform: scale(0.92); filter: blur(8px); }

    to { opacity: 1; transform: scale(1); filter: blur(0); }

}


/* 计数器 */

.lightbox-counter {

    position: absolute;

    bottom: 30px;

    left: 50%;

    transform: translateX(-50%);

    color: rgba(255, 255, 255, 0.5);

    font-size: 0.8rem;

    letter-spacing: 3px;

    font-weight: 300;

    pointer-events: none;

}

.lightbox-info {
    display: none;
}


.close-btn, .nav-btn {

    position: absolute; background: transparent; border: none;

    color: rgba(255, 255, 255, 0.4); cursor: pointer;

    transition: all 0.35s ease;

}

.close-btn:hover, .nav-btn:hover { color: var(--accent-color); transform: scale(1.15); }

.close-btn {

    top: 25px; right: 40px;

    font-size: 45px; font-weight: 100; line-height: 1;

    width: 50px; height: 50px;

    display: flex; align-items: center; justify-content: center;

    border-radius: 50%;

}

.close-btn:hover { background: rgba(255,255,255,0.05); }

.nav-btn { top: 50%; transform: translateY(-50%); font-size: 40px; padding: 20px; }

.nav-btn:hover { transform: translateY(-50%) scale(1.15); }

.prev-btn { left: 20px; }

.next-btn { right: 20px; }


/* =========================================

   About Me 页面特殊样式

   ========================================= */

.about-container {

    display: flex;

    max-width: 1100px;

    margin: 4rem auto;

    gap: 4rem;

    align-items: center;

}


.about-image-wrapper {

    flex: 1;

    position: relative;

}


.about-portrait {

    width: 100%;

    height: auto;

    border-radius: 4px;

    box-shadow: -20px 20px 0px rgba(255, 70, 85, 0.1);

    filter: grayscale(20%) contrast(1.1);

}


.about-content {

    flex: 1;

}


.about-name {

    font-size: 3.5rem;

    font-weight: 200;

    letter-spacing: 4px;

    margin: 0 0 10px;

}


.about-subtitle {

    color: var(--accent-color);

    font-weight: 400;

    letter-spacing: 2px;

    font-size: 1rem;

    text-transform: uppercase;

    margin: 0 0 2rem;

}


.divider {

    width: 50px;

    height: 2px;

    background-color: var(--divider-color);

    margin-bottom: 2rem;

}


.about-bio {

    color: var(--text-secondary);

    line-height: 1.8;

    margin-bottom: 1.5rem;

    font-size: 0.95rem;

}


.equipment-list {

    margin-top: 3rem;

    background: var(--equipment-bg);

    padding: 1.5rem;

    border-left: 2px solid var(--equipment-border);

}

.equipment-list h4 { margin: 0 0 1rem; font-weight: 500; letter-spacing: 2px; }

.equipment-list ul { list-style: none; padding: 0; margin: 0; color: var(--text-secondary); font-size: 0.9rem; line-height: 1.8; }

.equipment-list strong { color: var(--text-primary); }


.contact-btn {

    display: inline-block;

    margin-top: 3rem;

    padding: 12px 30px;

    border: 1px solid var(--accent-color);

    color: var(--accent-color);

    text-decoration: none;

    letter-spacing: 2px;

    text-transform: uppercase;

    font-size: 0.8rem;

    transition: all 0.3s;

}

.contact-btn:hover {

    background-color: var(--accent-color);

    color: #fff;

}


/* 减弱动画偏好 */

@media (prefers-reduced-motion: reduce) {

    *, *::before, *::after {

        animation-duration: 0.01ms !important;

        transition-duration: 0.01ms !important;

    }

    .gallery-item-wrapper {

        opacity: 1;

        transform: none;

    }

}


/* 移动端适配 */

@media (max-width: 900px) {

    .about-container { flex-direction: column; text-align: center; }

    .about-portrait { box-shadow: 0 20px 40px rgba(0,0,0,0.5); }

    .divider { margin: 0 auto 2rem; }

    .equipment-list { text-align: left; }

}


@media (max-width: 768px) {

    .navbar { flex-direction: column; height: auto; padding: 1.5rem 5%; gap: 1rem; }

    .nav-center { position: relative; left: 0; transform: none; }

    .nav-links { gap: 1.5rem; flex-wrap: wrap; justify-content: center; }

    .span-2-col { grid-column: span 1; }

    .nav-btn { padding: 10px; font-size: 30px; }

    .prev-btn { left: 0; } .next-btn { right: 0; }

    .close-btn { top: 15px; right: 20px; font-size: 35px; }

    /* Lightbox mobile — image top + info panel bottom */
    .lightbox {
        flex-direction: column;
    }
    .lightbox-content {
        max-width: 100%;
        max-height: none;
        flex: 1;
        min-height: 0;
        object-fit: contain;
        border-radius: 0;
        box-shadow: none;
    }
    .lightbox-counter {
        display: none;
    }
    .lightbox-info {
        display: flex;
        width: 100%;
        padding: 18px 24px 28px;
        box-sizing: border-box;
        background: linear-gradient(to bottom, rgba(11,11,13,0.95), #0b0b0d);
        flex-shrink: 0;
        flex-direction: column;
        gap: 6px;
        z-index: 10;
    }
    .lightbox-info-title {
        color: #fff;
        font-size: 1rem;
        font-weight: 400;
        letter-spacing: 2px;
        text-align: left;
    }
    .lightbox-info-meta {
        color: rgba(255, 255, 255, 0.5);
        font-size: 0.7rem;
        font-weight: 300;
        letter-spacing: 1px;
        text-align: left;
        line-height: 1.5;
    }
    .prev-btn, .next-btn {
        top: 45%;
    }


    /* 移动端隐藏背景光晕以提升性能 */

    .bg-orb { display: none; }

    .grain-overlay { opacity: 0.02; }


    /* 减弱悬停缩放 */

    .gallery-item-wrapper:hover .gallery-item {

        transform: scale(1.03);

    }

}


/* =========================================

   @keyframes 动画合集

   ========================================= */

@keyframes fadeInUp {

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

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

}


@keyframes slideDown {

    from { opacity: 0; transform: translateY(-100%); }

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

}


@keyframes orbDrift1 {

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

    25%      { transform: translate(40px, -25px) scale(1.06); }

    50%      { transform: translate(-15px, -40px) scale(0.94); }

    75%      { transform: translate(-35px, 10px) scale(1.04); }

}


@keyframes orbDrift2 {

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

    25%      { transform: translate(-30px, 20px) scale(1.08); }

    50%      { transform: translate(20px, 30px) scale(0.92); }

    75%      { transform: translate(25px, -15px) scale(1.05); }

}


@keyframes clipReveal {

    from { clip-path: inset(0 100% 0 0); }

    to   { clip-path: inset(0 0 0 0); }

}

/* =========================================
   页脚 — 版权标注 & 访问统计
   ========================================= */
.site-footer {
    position: relative;
    z-index: 2;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(11, 11, 13, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 2rem 5% 2.5rem;
    margin-top: 2rem;
}
.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}
.footer-copyright p {
    margin: 0;
    font-size: 0.75rem;
    letter-spacing: 2px;
    color: var(--text-secondary);
    font-weight: 300;
}
.footer-brand {
    color: var(--text-primary);
    font-weight: 400;
}
.footer-divider {
    width: 1px;
    height: 18px;
    background: rgba(255, 255, 255, 0.1);
}
.footer-counter {
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0.65;
    transition: opacity 0.35s ease;
}
.footer-counter:hover { opacity: 1; }
.counter-icon {
    width: 16px;
    height: 16px;
    color: var(--accent-color);
}
.counter-text {
    font-size: 0.75rem;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    font-weight: 300;
}
.counter-text strong {
    color: var(--text-primary);
    font-weight: 400;
}

@media (max-width: 768px) {
    .footer-inner {
        flex-direction: column;
        text-align: center;
        gap: 0.8rem;
    }
    .footer-divider {
        width: 40px;
        height: 1px;
    }
}