/* ========================================
   灵境映像 Realm Vision
   克莱因蓝 · 极简科技影视风
   Apple Design Skill 驱动优化
   ======================================== */

:root {
    --kl-blue: #002FA7;
    --kl-blue-light: #1A4FCC;
    --kl-blue-dark: #001A5E;
    --kl-glow: rgba(0, 47, 167, 0.25);
    --white: #FFFFFF;
    --off-white: #F5F5F7;
    --gray-100: #F5F5F7;
    --gray-200: #E8E8ED;
    --gray-300: #D2D2D7;
    --gray-400: #A1A1A6;
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-bg-heavy: rgba(255, 255, 255, 0.88);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 4px 30px rgba(0, 0, 0, 0.04);
    --card-radius: 20px;
    --section-padding: 100px 0;

    /* Apple 风格自定义缓动曲线 */
    --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
    --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
    --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

    /* 动效时长（Apple 规范） */
    --duration-instant: 100ms;
    --duration-fast: 160ms;
    --duration-normal: 250ms;
    --duration-slow: 400ms;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text',
                 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--off-white);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection { background: var(--kl-blue); color: #fff; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--off-white); }
::-webkit-scrollbar-thumb { background: var(--kl-blue); border-radius: 3px; }

/* ========== 排版 — Apple 光学尺寸 ========== */
.display-large {
    font-size: clamp(2.2rem, 6vw, 4.2rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.025em;
}
.heading-xl {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}
.heading-lg {
    font-size: clamp(1.4rem, 2.5vw, 1.8rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
}
.heading-md {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.005em;
}
.body-text {
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
    letter-spacing: 0;
}
.body-small {
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.5;
    letter-spacing: 0.01em;
}

/* ========== Apple 风格滚动动效 ========== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s var(--ease-out),
                transform 0.7s var(--ease-out);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.05s; }
.reveal-delay-2 { transition-delay: 0.1s; }
.reveal-delay-3 { transition-delay: 0.15s; }
.reveal-delay-4 { transition-delay: 0.2s; }

/* ========== 毛玻璃系统 ========== */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    box-shadow: var(--glass-shadow);
}
.glass-heavy {
    background: var(--glass-bg-heavy);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid var(--glass-border);
}

/* Materialize — 毛玻璃入场动效 */
.glass-materialize {
    opacity: 0;
    transform: scale(0.95);
    animation: materializeIn 0.5s var(--ease-out) forwards;
}
@keyframes materializeIn {
    from { opacity: 0; transform: scale(0.95); backdrop-filter: blur(0px); }
    to   { opacity: 1; transform: scale(1); backdrop-filter: blur(20px) saturate(180%); }
}

/* ========== 按钮系统 ========== */
.btn-kl {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 36px;
    background: var(--kl-blue);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    cursor: pointer;
    text-decoration: none;
    transition: transform var(--duration-fast) var(--ease-out),
                box-shadow var(--duration-normal) var(--ease-out),
                background var(--duration-normal) var(--ease-out);
    box-shadow: 0 4px 20px rgba(0, 47, 167, 0.2);
    -webkit-tap-highlight-color: transparent;
}
.btn-kl:hover {
    background: var(--kl-blue-light);
    box-shadow: 0 8px 36px rgba(0, 47, 167, 0.3);
    color: #fff;
    text-decoration: none;
}
.btn-kl:active {
    transform: scale(0.96);
    transition-duration: var(--duration-instant);
}

.btn-kl-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: transparent;
    color: var(--kl-blue);
    border: 1px solid rgba(0, 47, 167, 0.15);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: transform var(--duration-fast) var(--ease-out),
                background var(--duration-fast) var(--ease-out),
                border-color var(--duration-fast) var(--ease-out);
    -webkit-tap-highlight-color: transparent;
}
.btn-kl-outline:hover {
    background: rgba(0, 47, 167, 0.06);
    border-color: var(--kl-blue);
    color: var(--kl-blue);
    text-decoration: none;
}
.btn-kl-outline:active {
    transform: scale(0.96);
}

/* ========== 导航栏 — 边缘渐变替代硬分割线 ========== */
#mainNav {
    background: rgba(255, 255, 255, 0.80);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    padding: 14px 0;
    transition: background 0.3s ease;
}
#mainNav::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,0,0,0.06) 20%, rgba(0,0,0,0.06) 80%, transparent);
}
#mainNav.scrolled {
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.04);
}

#mainNav .navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}
.nav-logo-icon { height: 32px; width: auto; }
.brand-text {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--kl-blue);
    letter-spacing: -0.3px;
}
.brand-sub {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 1px;
}
#mainNav .nav-link {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 8px 18px;
    transition: color var(--duration-fast) var(--ease-out);
    letter-spacing: 0.3px;
}
#mainNav .nav-link:hover,
#mainNav .nav-link.active { color: var(--kl-blue); }

.navbar-toggler { border: none; padding: 8px; }
.navbar-toggler:focus { box-shadow: none; }
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(0,47,167,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.dropdown-menu {
    background: var(--glass-bg-heavy);
    backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 14px;
    padding: 8px 0;
    box-shadow: 0 10px 40px rgba(0,0,0,0.06);
}
.dropdown-item {
    color: var(--text-secondary);
    font-size: 0.875rem;
    padding: 10px 20px;
    transition: all var(--duration-fast) var(--ease-out);
}
.dropdown-item:hover {
    background: rgba(0, 47, 167, 0.06);
    color: var(--kl-blue);
}

/* ========== 首页 Hero ========== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, var(--off-white) 0%, #fff 40%, rgba(0,47,167,0.03) 100%);
    overflow: hidden;
}
.hero-bg-glow {
    position: absolute; width: 600px; height: 600px; border-radius: 50%;
    background: radial-gradient(circle, rgba(0,47,167,0.06) 0%, transparent 70%);
    top: -200px; right: -200px; pointer-events: none;
}
.hero-bg-glow-2 {
    position: absolute; width: 500px; height: 500px; border-radius: 50%;
    background: radial-gradient(circle, rgba(0,47,167,0.04) 0%, transparent 70%);
    bottom: -150px; left: -150px; pointer-events: none;
}
.hero-content { position: relative; z-index: 2; text-align: center; padding: 0 24px; max-width: 1000px; }

/* Hero 入场 — 分段缓动, 不复用 ease-in */
.hero-logo-wrap {
    margin-bottom: 40px;
    opacity: 0;
    animation: heroLogoIn 1.2s var(--ease-out) forwards;
}
@keyframes heroLogoIn {
    0%   { opacity: 0; transform: scale(0.92); }
    100% { opacity: 1; transform: scale(1); }
}

.hero-logo-img { height: clamp(80px, 15vw, 140px); width: auto; }

.hero-title-group {
    opacity: 0;
    animation: heroFloatUp 0.9s 0.3s var(--ease-out) forwards;
}
.hero-title-cn {
    font-size: clamp(2.2rem, 6vw, 4.2rem);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.05;
    margin-bottom: 8px;
}
.hero-title-en {
    font-size: clamp(1rem, 2.5vw, 1.6rem);
    font-weight: 300;
    color: var(--text-secondary);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}
.hero-title-en .kl-blue { color: var(--kl-blue); font-weight: 500; }

.hero-tagline {
    margin-top: 24px;
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    font-weight: 300;
    letter-spacing: 0.05em;
    opacity: 0;
    animation: heroFloatUp 0.8s 0.5s var(--ease-out) forwards;
}

.hero-desc-text {
    margin-top: 20px;
    font-size: clamp(0.9rem, 1.2vw, 1.05rem);
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    animation: heroFloatUp 0.8s 0.65s var(--ease-out) forwards;
}

.hero-btn-wrap {
    margin-top: 40px;
    opacity: 0;
    animation: heroFloatUp 0.8s 0.8s var(--ease-out) forwards;
}

@keyframes heroFloatUp {
    0%   { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    opacity: 0;
    animation: heroFloatUp 0.8s 1.1s var(--ease-out) forwards;
    z-index: 2;
}
.scroll-indicator .scroll-text {
    font-size: 0.7rem; color: var(--text-secondary);
    letter-spacing: 3px; text-transform: uppercase;
}
.scroll-indicator .scroll-line {
    width: 1px; height: 36px;
    background: linear-gradient(180deg, var(--kl-blue), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
    0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
    50% { opacity: 1; }
    100% { opacity: 0; transform: scaleY(1); transform-origin: top; }
}

/* ========== 分类毛玻璃卡片 ========== */
.categories-section { padding: var(--section-padding); }

.category-glass-card {
    display: block; padding: 48px 32px;
    background: var(--glass-bg); backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 24px; text-align: center;
    transition: transform 0.5s var(--ease-out),
                box-shadow 0.5s var(--ease-out),
                border-color 0.5s var(--ease-out);
    color: var(--text-primary);
    position: relative; overflow: hidden;
    box-shadow: 0 2px 24px rgba(0, 0, 0, 0.03);
    text-decoration: none;
}
.category-glass-card::before {
    content: ""; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, rgba(0,47,167,0.02), transparent);
    opacity: 0; transition: opacity 0.5s var(--ease-out);
}
.category-glass-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 48px rgba(0, 47, 167, 0.08);
    border-color: rgba(0, 47, 167, 0.12);
    color: var(--text-primary); text-decoration: none;
}
.category-glass-card:hover::before { opacity: 1; }
.category-glass-card:active { transform: scale(0.97); transition-duration: var(--duration-instant); }

.cat-icon-circle {
    width: 64px; height: 64px; margin: 0 auto 24px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%; background: rgba(0, 47, 167, 0.06);
    font-size: 1.4rem; color: var(--kl-blue);
    transition: background 0.5s var(--ease-out), color 0.5s var(--ease-out);
}
.category-glass-card:hover .cat-icon-circle { background: var(--kl-blue); color: #fff; }

.category-glass-card h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 10px; letter-spacing: -0.01em; }
.category-glass-card p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 20px; line-height: 1.6; }
.cat-arrow { font-size: 0.85rem; color: var(--kl-blue); font-weight: 500; display: inline-flex; align-items: center; gap: 6px; transition: gap 0.3s var(--ease-out); }
.category-glass-card:hover .cat-arrow { gap: 12px; }

/* ========== 愿景区 ========== */
.mission-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--kl-blue-dark), var(--kl-blue));
    color: #fff;
}
.mission-section h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; margin-bottom: 16px; letter-spacing: -0.02em; line-height: 1.1; }
.mission-section p { font-size: 1.05rem; opacity: 0.85; line-height: 1.9; max-width: 720px; margin: 0 auto; }

/* ========== 页面横幅 ========== */
.page-hero { padding: 140px 0 60px; background: linear-gradient(180deg, rgba(0,47,167,0.04) 0%, transparent 100%); text-align: center; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; color: var(--text-primary); letter-spacing: -0.02em; line-height: 1.1; }
.page-hero p { color: var(--text-secondary); font-size: 1.1rem; margin-top: 12px; }

.section-header { text-align: center; margin-bottom: 60px; }
.section-eyebrow {
    font-size: 0.8rem; color: var(--kl-blue); font-weight: 600;
    letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 12px;
}
.section-header h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700;
    color: var(--text-primary); letter-spacing: -0.02em; line-height: 1.1;
}
.section-header p { color: var(--text-secondary); font-size: 1.05rem; margin-top: 12px; }

/* 分类导航标签 */
.category-nav-pills { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.nav-pill {
    padding: 10px 24px; background: var(--glass-bg); backdrop-filter: blur(12px);
    border: 1px solid rgba(0, 0, 0, 0.06); border-radius: 50px;
    color: var(--text-secondary); font-size: 0.875rem; font-weight: 500;
    transition: transform var(--duration-fast) var(--ease-out),
                background var(--duration-fast) var(--ease-out),
                border-color var(--duration-fast) var(--ease-out);
    text-decoration: none; -webkit-tap-highlight-color: transparent;
}
.nav-pill:hover, .nav-pill.active { background: var(--kl-blue); color: #fff; border-color: var(--kl-blue); text-decoration: none; }
.nav-pill:active { transform: scale(0.95); }

/* ========== 毛玻璃作品卡片 ========== */
.works-grid-section { padding: var(--section-padding); }
.work-card-glass {
    background: var(--glass-bg); backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px; overflow: hidden;
    transition: transform 0.5s var(--ease-out),
                box-shadow 0.5s var(--ease-out),
                border-color 0.5s var(--ease-out);
    cursor: pointer;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.03);
    height: 100%; display: flex; flex-direction: column;
}
.work-card-glass:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 48px rgba(0, 47, 167, 0.08);
    border-color: rgba(0, 47, 167, 0.15);
}
.work-card-glass:active { transform: scale(0.97); transition-duration: var(--duration-instant); }

.work-card-image {
    position: relative; aspect-ratio: 16/10;
    overflow: hidden; background: var(--gray-100);
}
.work-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease-out); }
.work-card-glass:hover .work-card-image img { transform: scale(1.06); }
.work-card-image .placeholder-icon {
    width: 100%; height: 100%; display: flex;
    align-items: center; justify-content: center; font-size: 2.5rem; color: var(--gray-300);
}

.work-card-tag {
    position: absolute; top: 12px; left: 12px;
    padding: 4px 14px;
    background: rgba(255,255,255,0.8); backdrop-filter: blur(12px) saturate(180%);
    border-radius: 50px; font-size: 0.7rem; font-weight: 600;
    color: var(--kl-blue); letter-spacing: 0.02em;
}

.work-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.work-card-body h6 {
    font-size: 1rem; font-weight: 600;
    color: var(--text-primary); margin-bottom: 4px;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.work-card-body .work-sub {
    font-size: 0.825rem; color: var(--text-secondary); margin: 0;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.work-hover-btn {
    display: inline-flex; align-items: center; gap: 6px;
    margin-top: auto; padding-top: 12px;
    font-size: 0.8rem; color: var(--kl-blue); font-weight: 500;
    border: none; background: none; cursor: pointer;
    opacity: 0; transition: opacity 0.4s var(--ease-out), gap 0.3s var(--ease-out);
}
.work-card-glass:hover .work-hover-btn { opacity: 1; }
.work-hover-btn i { font-size: 0.7rem; transition: transform 0.3s var(--ease-out); }
.work-card-glass:hover .work-hover-btn i { transform: translateX(4px); }
.work-hover-btn:active { transform: scale(0.95); }

/* Stagger — 作品网格入场 */
.work-item {
    opacity: 0;
    transform: translateY(20px);
}
.work-item.visible {
    opacity: 1;
    transform: translateY(0);
}
.work-item:nth-child(1) { transition: opacity 0.5s var(--ease-out) 0.0s, transform 0.5s var(--ease-out) 0.0s; }
.work-item:nth-child(2) { transition: opacity 0.5s var(--ease-out) 0.05s, transform 0.5s var(--ease-out) 0.05s; }
.work-item:nth-child(3) { transition: opacity 0.5s var(--ease-out) 0.1s, transform 0.5s var(--ease-out) 0.1s; }
.work-item:nth-child(4) { transition: opacity 0.5s var(--ease-out) 0.15s, transform 0.5s var(--ease-out) 0.15s; }
.work-item:nth-child(5) { transition: opacity 0.5s var(--ease-out) 0.2s, transform 0.5s var(--ease-out) 0.2s; }
.work-item:nth-child(6) { transition: opacity 0.5s var(--ease-out) 0.25s, transform 0.5s var(--ease-out) 0.25s; }
.work-item:nth-child(7) { transition: opacity 0.5s var(--ease-out) 0.3s, transform 0.5s var(--ease-out) 0.3s; }
.work-item:nth-child(8) { transition: opacity 0.5s var(--ease-out) 0.35s, transform 0.5s var(--ease-out) 0.35s; }

/* ========== 毛玻璃弹窗 ========== */
.work-modal .modal-content {
    background: var(--glass-bg-heavy); backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 24px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.06);
    transform: scale(0.95); opacity: 0;
    transition: transform 0.35s var(--ease-out), opacity 0.25s var(--ease-out);
}
.work-modal.show .modal-content {
    transform: scale(1); opacity: 1;
}
.work-modal .modal-header { padding: 24px 28px 0; border: none; }
.work-modal .modal-title { color: var(--text-primary); font-weight: 600; font-size: 1.1rem; }
.work-modal .btn-close { background: transparent; opacity: 0.5; border: none; font-size: 1.2rem; padding: 4px 8px; }
.work-modal .btn-close:hover { opacity: 1; }
.work-modal .modal-body { padding: 20px 28px 28px; }
.work-modal .modal-footer { border: none; padding: 0 28px 24px; justify-content: center; }

.modal-media { border-radius: 16px; overflow: hidden; }
.modal-media img, .modal-media iframe, .modal-media video { width: 100%; border-radius: 16px; }

.modal-info-content { padding: 8px 0; }
.modal-info-content .badge-kl {
    padding: 4px 14px; background: rgba(0,47,167,0.08);
    color: var(--kl-blue); border-radius: 6px; font-weight: 500; font-size: 0.8rem;
}
.modal-info-content .badge-type {
    padding: 4px 14px; background: rgba(0,0,0,0.04);
    color: var(--text-secondary); border-radius: 6px; font-weight: 500; font-size: 0.8rem;
}
.modal-info-content h3 { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); margin: 12px 0 4px; }
.modal-info-content .modal-sub { color: var(--text-secondary); font-size: 0.95rem; }

.modal-section {
    margin-top: 20px; padding: 20px; background: rgba(255,255,255,0.5);
    backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.3); border-radius: 14px;
}
.modal-section h5 { font-size: 0.95rem; font-weight: 600; color: var(--kl-blue); margin-bottom: 10px; }
.modal-section p { color: var(--text-secondary); font-size: 0.9rem; margin: 0; line-height: 1.8; }

/* ========== 页脚 ========== */
.site-footer {
    padding: 40px 0; background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px) saturate(180%);
    border-top: 1px solid rgba(0,0,0,0.05);
    font-size: 0.85rem; color: var(--text-secondary);
}
.site-footer .footer-logo-text { font-weight: 600; color: var(--kl-blue); }
.footer-link { color: var(--text-secondary); transition: color 0.3s var(--ease-out); }
.footer-link:hover { color: var(--kl-blue); }

/* ========== 空状态 ========== */
.empty-state { opacity: 0.6; }

/* ========== 分页 ========== */
.pagination-ring { display: flex; justify-content: center; gap: 8px; margin-top: 40px; }
.pagination-ring .page-link {
    padding: 8px 16px; background: var(--glass-bg); backdrop-filter: blur(12px);
    border: 1px solid rgba(0,0,0,0.06); border-radius: 12px;
    color: var(--text-secondary); text-decoration: none;
    transition: transform var(--duration-fast) var(--ease-out),
                background var(--duration-fast) var(--ease-out),
                border-color var(--duration-fast) var(--ease-out);
}
.pagination-ring .page-link:hover { background: var(--kl-blue); color: #fff; border-color: var(--kl-blue); }
.pagination-ring .page-link:active { transform: scale(0.95); }
.pagination-ring .page-link.active { background: var(--kl-blue); color: #fff; border-color: var(--kl-blue); }

/* ========== 响应式 ========== */
@media (max-width: 992px) {
    #mainNav { padding: 10px 0; }
    .hero-section { min-height: 90vh; }
    .category-glass-card { padding: 36px 24px; }
    :root { --section-padding: 70px 0; }
}
@media (max-width: 768px) {
    .hero-section { min-height: 85vh; }
    .hero-logo-img { height: 80px; }
    .category-glass-card { padding: 30px 20px; }
    .work-card-body { padding: 16px; }
    :root { --section-padding: 50px 0; }
    .page-hero { padding: 120px 0 40px; }
}
@media (max-width: 576px) {
    .cat-icon-circle { width: 52px; height: 52px; font-size: 1.2rem; }
    .modal-section { padding: 14px; }
    .work-modal .modal-body { padding: 16px 20px; }
}

/* prefers-reduced-motion 无障碍 */
@media (prefers-reduced-motion: reduce) {
    .reveal, .work-item, .hero-logo-wrap, .hero-title-group,
    .hero-tagline, .hero-desc-text, .hero-btn-wrap, .scroll-indicator,
    .category-glass-card, .work-card-glass, .glass-materialize {
        animation: none !important;
        transition-duration: 0.01ms !important;
        opacity: 1 !important;
        transform: none !important;
    }
    .work-modal .modal-content { transform: none; opacity: 1; }
    .scroll-line { display: none; }
}
/* 触屏设备 hover 退化为无动效 */
@media (hover: none) and (pointer: coarse) {
    .work-card-glass:hover .work-card-image img { transform: none; }
    .work-hover-btn { opacity: 1; }
    .work-card-glass:active { transform: scale(0.97); }
}