/* ============================================ */
/* Hero轮播横幅样式 */
/* ============================================ */
.hero-banner {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 700px;
    max-height: 1080px;
    overflow: hidden;
    margin-top: 0;
}

/* 底部装饰线 */
.hero-banner::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    z-index: 50;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

/* 轮播幻灯片基础样式 */
.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    will-change: opacity, filter;
    transition: opacity 1.4s cubic-bezier(0.22, 1, 0.36, 1),
                visibility 1.4s cubic-bezier(0.22, 1, 0.36, 1);
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 3;
}

.hero-slide.exiting {
    opacity: 0;
    visibility: visible;
    z-index: 2;
    transition: opacity 1.4s cubic-bezier(0.22, 1, 0.36, 1);
}

/* 幻灯片背景 */
.hero-slide-bg {
    position: absolute;
    top: -5%;
    left: -5%;
    width: 110%;
    height: 110%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(0px);
}

/* Ken Burns动画 - 图片缩放效果 */
@keyframes kenBurns {
    0% { transform: scale(1.08) translate(0, 0); }
    100% { transform: scale(1.18) translate(-2%, -1%); }
}

.hero-slide.active .hero-slide-bg {
    animation: kenBurns 12s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.hero-slide.exiting .hero-slide-bg {
    animation: kenBurnsExit 1.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes kenBurnsExit {
    0% { transform: scale(1.18) translate(-2%, -1%); opacity: 1; }
    100% { transform: scale(1.1) translate(0, 0); opacity: 0; }
}

/* 遮罩层 - 渐变叠加 */
.hero-slide::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: 
        linear-gradient(to right, rgba(8, 18, 38, 0.45) 0%, rgba(8, 18, 38, 0.15) 50%, rgba(8, 18, 38, 0.3) 100%),
        linear-gradient(to top, rgba(8, 18, 38, 0.25) 0%, transparent 40%),
        linear-gradient(to bottom, rgba(8, 18, 38, 0.2) 0%, transparent 30%);
    z-index: 1;
}

/* 光效层 */
.hero-light-effect {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 2;
    pointer-events: none;
    overflow: hidden;
}

.hero-light-effect::before,
.hero-light-effect::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: lightFloat 15s ease-in-out infinite;
}

.hero-light-effect::before {
    width: 500px; height: 500px;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
    top: -20%; right: -10%;
    animation-delay: -5s;
}

.hero-light-effect::after {
    width: 400px; height: 400px;
    background: radial-gradient(circle, #0d3d6e 0%, transparent 70%);
    bottom: -15%; left: -5%;
    animation-delay: -10s;
}

@keyframes lightFloat {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.12; }
    33% { transform: translate(30px, -20px) scale(1.1); opacity: 0.18; }
    66% { transform: translate(-20px, 15px) scale(0.95); opacity: 0.1; }
}

/* 粒子效果层 */
.hero-particles {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 3;
    pointer-events: none;
    overflow: hidden;
}

.hero-particle {
    position: absolute;
    width: 3px; height: 3px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    animation: particleFloat 20s linear infinite;
}

/* 粒子位置和动画延迟 */
.hero-particle:nth-child(1) { left: 5%; animation-delay: 0s; animation-duration: 25s; }
.hero-particle:nth-child(2) { left: 15%; animation-delay: -5s; animation-duration: 22s; }
.hero-particle:nth-child(3) { left: 25%; animation-delay: -10s; animation-duration: 28s; }
.hero-particle:nth-child(4) { left: 35%; animation-delay: -3s; animation-duration: 20s; }
.hero-particle:nth-child(5) { left: 45%; animation-delay: -8s; animation-duration: 24s; }
.hero-particle:nth-child(6) { left: 55%; animation-delay: -12s; animation-duration: 26s; }
.hero-particle:nth-child(7) { left: 65%; animation-delay: -15s; animation-duration: 23s; }
.hero-particle:nth-child(8) { left: 75%; animation-delay: -7s; animation-duration: 27s; }
.hero-particle:nth-child(9) { left: 85%; animation-delay: -2s; animation-duration: 21s; }
.hero-particle:nth-child(10) { left: 95%; animation-delay: -18s; animation-duration: 29s; }
.hero-particle:nth-child(11) { left: 20%; animation-delay: -4s; animation-duration: 20s; }
.hero-particle:nth-child(12) { left: 70%; animation-delay: -11s; animation-duration: 24s; }

@keyframes particleFloat {
    0% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 0.6; transform: translateY(90vh) scale(1); }
    90% { opacity: 0.4; }
    100% { transform: translateY(-10vh) scale(0.5); opacity: 0; }
}

/* Hero内容区域 */
.hero-content {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    display: flex;
    align-items: center;
    z-index: 10;
    padding: 0 8%;
}

.hero-content-inner {
    max-width: 750px;
    padding-left: 60px;
}

/* 标签线 */
.hero-tagline {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 1.2s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: 0.3s;
}

.hero-slide.active .hero-tagline {
    opacity: 1;
    transform: translateY(0);
}

.hero-tagline-line {
    width: 40px; height: 2px;
    background: var(--color-accent);
}

.hero-tagline-text {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.8);
}

/* 主标题 */
.hero-title {
    font-size: clamp(42px, 6vw, 72px);
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-white);
    margin-bottom: 24px;
    letter-spacing: -0.5px;
    opacity: 0;
    transform: translateY(40px);
    transition: all 1.4s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: 0.5s;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.hero-slide.active .hero-title {
    opacity: 1;
    transform: translateY(0);
}

/* 标题高亮文字 - 渐变动画效果 */
.hero-title-highlight {
    display: block;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleShine 5s ease-in-out infinite;
}

@keyframes titleShine {
    0%, 100% { 
        background-position: 0% center; 
        text-shadow: 0 0 30px rgba(74, 158, 255, 0.4);
    }
    50% { 
        background-position: 200% center; 
        text-shadow: 0 0 50px rgba(74, 158, 255, 0.6);
    }
}

/* 副标题 */
.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    max-width: 580px;
    opacity: 0;
    transform: translateY(40px);
    transition: all 1.4s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: 0.7s;
}

.hero-slide.active .hero-subtitle {
    opacity: 1;
    transform: translateY(0);
}

/* 按钮组 */
.hero-buttons {
    display: flex;
    gap: 20px;
    opacity: 0;
    transform: translateY(40px);
    transition: all 1.4s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: 0.9s;
}

.hero-slide.active .hero-buttons {
    opacity: 1;
    transform: translateY(0);
}

/* 分页指示器 */
.hero-pagination {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 16px;
    z-index: 20;
    padding: 16px 28px;
    background: rgba(8, 18, 38, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
}

.hero-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
}

.hero-dot::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 6px; height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    opacity: 0;
    transition: all 0.4s ease;
}

.hero-dot:hover { background: rgba(255, 255, 255, 0.6); }

.hero-dot.active {
    width: 36px;
    border-radius: 5px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
}

.hero-pagination-info {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-left: 12px;
    padding-left: 16px;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
    font-weight: 400;
    letter-spacing: 1px;
}

/* 左右切换箭头 */
.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px; height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(8, 18, 38, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    cursor: pointer;
    z-index: 20;
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    color: rgba(255, 255, 255, 0.8);
    font-size: 20px;
}

.hero-banner:hover .hero-arrow { opacity: 1; }

.hero-arrow:hover {
    background: rgba(26, 93, 156, 0.7);
    border-color: rgba(74, 158, 255, 0.4);
    transform: translateY(-50%) scale(1.1);
}

.hero-arrow-prev { left: 40px; }
.hero-arrow-next { right: 40px; }

@media (max-width: 1200px) {
    .hero-content-inner { padding-left: 40px; max-width: 650px; }
}

@media (max-width: 992px) {
    .hero-banner { min-height: 600px; height: 80vh; }
    .hero-content-inner { padding-left: 0; max-width: 100%; text-align: center; display: flex; flex-direction: column; align-items: center; }
    .hero-tagline { justify-content: center; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .hero-pagination { bottom: 30px; }
    .hero-arrow { display: none; }
}

@media (max-width: 768px) {
    .hero-banner { min-height: 550px; height: 70vh; }
    .hero-title { font-size: 36px; }
    .hero-subtitle { font-size: 15px; margin-bottom: 30px; }
    .hero-buttons { flex-direction: column; gap: 12px; width: 100%; max-width: 280px; }
    .btn-primary, .btn-secondary { width: 100%; justify-content: center; padding: 14px 24px; }
    .hero-pagination { padding: 12px 20px; gap: 12px; }
    .hero-pagination-info { display: none; }
    .hero-light-effect::before, .hero-light-effect::after { filter: blur(60px); }
}

@media (max-width: 480px) {
    .hero-banner { min-height: 500px; height: 65vh; }
    .hero-title { font-size: 28px; }
    .hero-tagline-text { font-size: 12px; letter-spacing: 2px; }
    .hero-content { padding: 0 5%; }
}

/* ============================================ */
/* 固定背景横幅样式 */
/* ============================================ */
.fixed-banner {
    width: 100%;
    padding: 160px 20px;
    background: url('../images/spirit_bg2.jpg') center center no-repeat;
    background-size: cover;
    background-attachment: fixed;
    position: relative;
    text-align: center;
    color: var(--color-white);
    overflow: hidden;
}

.fixed-banner .banner-content {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1s cubic-bezier(0.22, 1, 0.36, 1), transform 1s cubic-bezier(0.22, 1, 0.36, 1);
}

.fixed-banner.visible .banner-content {
    opacity: 1;
    transform: translateY(0);
}

/* 遮罩层 */
.fixed-banner::before {
    content: '';
    position: absolute;
    left: 0; top: 0;
    width: 100%; height: 100%;
    background: 
        linear-gradient(to top, rgba(8, 18, 38, 0.45) 0%, rgba(8, 18, 38, 0.3) 50%, rgba(8, 18, 38, 0.45) 100%),
        linear-gradient(to right, rgba(26, 93, 156, 0.15) 0%, transparent 50%, rgba(26, 93, 156, 0.15) 100%);
    z-index: 1;
}

.banner-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

/* 分隔线 */
.banner-divider {
    width: 100px;
    height: 2px;
    background: var(--color-accent);
    margin: 0 auto 30px;
    opacity: 0;
    transform: scaleX(0);
    transition: all 1s cubic-bezier(0.22, 1, 0.36, 1);
}

.fixed-banner.visible .banner-divider:first-child {
    opacity: 1;
    transform: scaleX(1);
    transition-delay: 0.3s;
}

.fixed-banner.visible .banner-divider:last-child {
    opacity: 1;
    transform: scaleX(1);
    transition-delay: 1.3s;
}

.fixed-banner h2 {
    font-size: clamp(28px, 4vw, 46px);
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: 8px;
    color: var(--color-white);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.fixed-banner h3 {
    font-size: clamp(20px, 2vw, 26px);
    font-weight: 500;
    margin-bottom: 28px;
    letter-spacing: 6px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 1.2s cubic-bezier(0.22, 1, 0.36, 1);
    color: rgba(255, 255, 255, 0.95);
}

.fixed-banner.visible h3 {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.8s;
}

.fixed-banner p {
    font-size: clamp(15px, 1.5vw, 18px);
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 2;
    opacity: 0;
    transform: translateY(30px);
    transition: all 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.fixed-banner.visible p {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 1.1s;
}

.banner-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.fixed-banner.visible .banner-actions {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 1.4s;
}

/* ============================================ */
/* 精神理念区域样式 */
/* ============================================ */
.spirit-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    padding: 0 20px;
}

.spirit-header {
    text-align: left;
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s cubic-bezier(0.22, 1, 0.36, 1);
}

.fixed-banner.visible .spirit-header {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

.spirit-en {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 4px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.spirit-en::after {
    content: '';
    display: block;
    width: 60px;
    height: 1px;
    background: rgba(255, 255, 255, 0.3);
}

.spirit-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 4px;
    text-shadow: 0 1px 20px rgba(0, 0, 0, 0.35);
}

.spirit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    align-items: start;
}

.spirit-card {
    position: relative;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 4px;
    padding: 50px 30px 40px;
    text-align: center;
    color: var(--color-white);
    transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    overflow: hidden;
    opacity: 0;
    transform: translateY(50px);
}

.fixed-banner.visible .spirit-card:nth-child(1) {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.3s, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.3s, background 0.5s, border-color 0.5s, box-shadow 0.5s;
}

.fixed-banner.visible .spirit-card:nth-child(2) {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.45s, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.45s, background 0.5s, border-color 0.5s, box-shadow 0.5s;
}

.fixed-banner.visible .spirit-card:nth-child(3) {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.6s, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.6s, background 0.5s, border-color 0.5s, box-shadow 0.5s;
}

.spirit-card:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.28) 0%, rgba(255, 200, 200, 0.22) 50%, rgba(255, 255, 255, 0.28) 100%);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.spirit-card-border {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent);
    opacity: 0.9;
}

.spirit-card-center {
    margin-top: 40px;
}

.spirit-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.spirit-icon svg {
    width: 26px;
    height: 26px;
    color: var(--color-white);
}

.spirit-card-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 2px;
    color: var(--color-white);
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.35);
}

.spirit-card-body {
    font-size: 15px;
    line-height: 2.2;
    color: var(--color-gold);
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.35);
}

.spirit-card-body p {
    margin: 0;
}

/* ============================================ */
/* 按钮样式 */
/* ============================================ */

/* 主按钮 */
.btn-primary {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 36px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--color-white);
    background: linear-gradient(135deg, rgba(26, 93, 156, 0.95) 0%, rgba(15, 60, 110, 0.95) 100%);
    border: 1px solid rgba(74, 158, 255, 0.4);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    text-decoration: none;
    overflow: hidden;
}

/* 按钮光效 */
.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(26, 93, 156, 0.5);
    border-color: rgba(74, 158, 255, 0.6);
}

.btn-primary:hover::before { left: 100%; }

.btn-primary .btn-icon {
    font-size: 14px;
    transition: transform 0.3s ease;
}

.btn-primary:hover .btn-icon { transform: translateX(4px); }

/* 次要按钮 */
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 34px;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.95);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    text-decoration: none;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    .fixed-banner {
        padding: 100px 20px;
    }
    .fixed-banner h2 {
        font-size: 28px;
        letter-spacing: 4px;
        margin-bottom: 14px;
    }

    .fixed-banner p {
        font-size: 15px;
        margin-bottom: 30px;
        padding: 0 10px;
    }
    .banner-actions {
        flex-direction: column;
        gap: 12px;
        padding: 0 20px;
    }
    .btn-primary, .btn-secondary {
        width: 100%;
        padding: 14px 24px;
        text-align: center;
    }
    .banner-divider {
        width: 60px;
        margin-bottom: 20px;
    }
    .spirit-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .spirit-card-center {
        margin-top: 0;
    }
    .spirit-card {
        padding: 40px 24px 32px;
    }
    .spirit-header {
        margin-bottom: 40px;
    }
    .spirit-title {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .fixed-banner {
        padding: 80px 15px;
    }
    .fixed-banner h2 {
        font-size: 24px;
        letter-spacing: 2px;
    }
    .spirit-card {
        padding: 32px 20px 28px;
    }
    .spirit-card-title {
        font-size: 20px;
    }
    .spirit-card-body {
        font-size: 14px;
    }
}

/* ============================================ */
/* 关于我们区域样式 */
/* ============================================ */
.about {
    background: linear-gradient(180deg, #f8f9fa 0%, var(--color-white) 50%, var(--color-white-light) 100%);
    padding: 120px 0;
    position: relative;
}

.about .container {
    max-width: 1600px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 60px;
    align-items: center;
    padding: 0 20px;
}
.about-content {
    padding: 0 30px;
}
.about-content::before {
    content: '';
    display: block;
    width: 60px; height: 3px;
    background: var(--color-accent);
    margin-bottom: 25px;
}
.about h2 {
    font-size: 36px;
    font-weight: 700;
    background: var(--color-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 30px;
    letter-spacing: 1px;
}
.about p {
    font-size: 17px;
    color: #4a5568;
    margin-bottom: 0.5em;
    line-height: 2.1;
    text-align: justify;
}
.about .btn-primary {
    margin-top: 15px;
}

.about-content-top {
    margin-bottom: 40px;
}

.about-content-bottom {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}
.about-content-bottom.visible {
    opacity: 1;
    transform: translateY(0);
}

.about-stats {
    display: flex;
    justify-content: space-around;
    align-items: center;
    gap: 15px;
    container-type: inline-size;
}

.about-stat-item {
    flex:1 1 25cqw;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 0;
}

.about-stat-num {
    font-size: 34px;
    font-weight: 900;
    color: #222;
    line-height: 1.2;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 6px;
}

.about-stat-unit {
    font-size: 16px;
    font-weight: 500;
    color: #555;
}

.about-stat-label {
    font-size: 13px;
    color: #666;
    margin-top: 6px;
    letter-spacing: 0.5px;
}

.about-stat-divider {
    flex: 0 0 2px;
    height: 60px;
    background: var(--color-accent);
    position: relative;
}
.about-stat-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 2px;
    height: 50%;
    background: var(--color-primary);
}

@media (max-width: 992px) {
    .about-stats {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px 0;
    }
    .about-stat-item {
        flex: 0 0 50cqw;
        padding: 0;
        margin-bottom: 20px;
    }
    .about-stat-divider {
        display: none;
    }
    .about-stat-num {
        font-size: 36px;
    }
}

@media (max-width: 480px) {
    .about-stat-item {
        flex: 0 0 50cqw;
    }
    .about-stat-num {
        font-size: 32px;
    }
}

/* ============================================ */
/* 视频播放区域样式 */
/* ============================================ */
.video-box {
    position: relative;
    width: 100%;
    height: 480px;
    cursor: pointer;
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
    border-radius: 14px;
    overflow: hidden;
}
.video-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to top, rgba(8, 18, 38, 0.4) 0%, transparent 30%, transparent 70%, rgba(8, 18, 38, 0.2) 100%);
    z-index: 2;
    pointer-events: none;
}
/* 镜头光晕效果 */
.video-box {
    transition: box-shadow 0.4s ease;
}
.video-box::after {
    content: '';
    position: absolute;
    inset: -25%;
    background:
        radial-gradient(ellipse 200px 200px at 22% 28%, rgba(255, 240, 220, 0.7) 0%, rgba(255, 180, 160, 0.35) 15%, rgba(255, 140, 120, 0.12) 35%, transparent 55%),
        radial-gradient(circle 160px at 22% 28%, transparent 30%, rgba(255, 80, 60, 0.18) 42%, rgba(255, 60, 40, 0.06) 52%, transparent 68%),
        radial-gradient(ellipse 500px 90px at 22% 28%, rgba(255, 210, 190, 0.08) 0%, rgba(255, 180, 160, 0.03) 40%, transparent 70%),
        radial-gradient(ellipse 350px 55px at 18% 35%, rgba(255, 230, 200, 0.05) 0%, transparent 55%),
        radial-gradient(circle 22px at 42% 52%, rgba(255, 200, 140, 0.4) 0%, rgba(255, 150, 80, 0.15) 50%, transparent 70%),
        radial-gradient(circle 75px at 58% 62%, rgba(200, 170, 80, 0.18) 0%, rgba(180, 140, 50, 0.08) 40%, transparent 65%),
        radial-gradient(circle 48px at 56% 61%, rgba(140, 190, 130, 0.15) 0%, rgba(100, 160, 110, 0.06) 45%, transparent 65%),
        radial-gradient(circle 32px at 54% 59%, rgba(120, 170, 210, 0.18) 0%, rgba(80, 140, 190, 0.06) 50%, transparent 70%),
        radial-gradient(circle 105px at 60% 64%, transparent 60%, rgba(80, 60, 140, 0.05) 72%, rgba(60, 40, 120, 0.03) 82%, transparent 95%);
    opacity: 0;
    pointer-events: none;
    z-index: 3;
    mix-blend-mode: screen;
    transition: opacity 0.5s ease, transform 0.5s ease;
    transform: scale(0.90);
}
.video-box:hover::after {
    opacity: 1;
    transform: scale(0.98);
}
.video-box:hover {
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.2), 0 0 80px rgba(255, 140, 100, 0.08), 0 0 120px rgba(255, 100, 80, 0.04);
}
.video-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.play-icon {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    /* background: radial-gradient(circle, rgba(255,255,255,0.6) 0%, rgba(255,255,255,0.2) 50%, transparent 70%), url('/skin/images/xcjlog.png') center center / cover no-repeat; */
    background: linear-gradient(135deg, rgba(214, 40, 40, 0.95) 0%, rgba(26,93,156,0.95) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 30px;
    box-shadow: 0 8px 30px rgba(214, 40, 40, 0.4);
    transition: all 0.4s cubic-bezier(0.22,1,0.36,1);
    z-index: 3;
}
.play-icon:hover {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 12px 40px rgba(214, 40, 40, 0.5);
}
.video-modal {
    display: flex;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, background 0.3s ease, visibility 0.3s ease;
}
.video-modal.show {
    opacity: 1;
    visibility: visible;
    background: rgba(0,0,0,0.85);
}
.video-container {
    position: relative;
    width: 80%;
    max-width: 1000px;
    transform: scale(0.8);
    transition: transform 0.3s ease;
}
.video-modal.show .video-container {
    transform: scale(1);
}
.video-player {
    width: 100%;
    height: auto;
    outline: none;
}
.close-btn {
    position: absolute;
    right: -50px;
    top: 0;
    width: 40px;
    height: 40px;
    background: var(--color-white);
    color: var(--color-primary);
    font-size: 20px;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================ */
/* 品牌印记区域样式 */
/* ============================================ */
.brand-imprint {
    padding: 100px 0;
    background: var(--color-white-light);
    position: relative;
    overflow: hidden;
}
.brand-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}
.brand-particles::before,
.brand-particles::after,
.brand-particles span {
    content: "";
    position: absolute;
    width: 70px;
    height: 70px;
    background: rgba(26,93,156,0.05);
    border-radius: 50%;
    animation: brandFloat 11s infinite linear;
}
.brand-particles::before { top:12%; left:11%; animation-duration: 3s; }
.brand-particles::after { top:65%; left:82%; animation-duration: 4.5s; }
.brand-particles span:nth-child(1) { top:28%; left:75%; animation-duration: 2.5s; }
.brand-particles span:nth-child(2) { top:85%; left:18%; animation-duration: 5.5s; }
.brand-particles span:nth-child(3) { top:55%; left:35%; animation-duration: 3.5s; }
.brand-particles span:nth-child(4) { top:8%; left:55%; width:45px; height:45px; background:rgba(26,93,156,0.04); animation-duration: 4s; }
.brand-particles span:nth-child(5) { top:40%; left:90%; width:100px; height:100px; background:rgba(26,93,156,0.03); animation-duration: 5s; }
.brand-particles span:nth-child(6) { top:72%; left:48%; width:55px; height:55px; background:rgba(26,93,156,0.06); animation-duration: 3s; }
.brand-particles span:nth-child(7) { top:20%; left:40%; width:35px; height:35px; background:rgba(26,93,156,0.04); animation-duration: 5.5s; }
.brand-particles span:nth-child(8) { top:60%; left:65%; width:85px; height:85px; background:rgba(26,93,156,0.03); animation-duration: 3.5s; }
.brand-particles span:nth-child(9) { top:48%; left:8%; width:50px; height:50px; background:rgba(26,93,156,0.05); animation-duration: 4.5s; }
@keyframes brandFloat {
    0%{transform:translate(0,0) scale(1);}
    50%{transform:translate(25px,-25px) scale(1.15);}
    100%{transform:translate(0,0) scale(1);}
}

.brand-tab-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--color-white);
    border-radius: 50px;
    padding: 6px;
    width: fit-content;
    margin: 0 auto 50px;
    box-shadow: 0 6px 20px rgba(26,93,156,0.08);
    z-index: 2;
}
.brand-tab-slider {
    position: absolute;
    top:6px; left:6px;
    height: calc(100% - 12px);
    background: var(--color-primary);
    border-radius: 50px;
    transition: all 0.4s cubic-bezier(0.3,1,0.7,1);
    z-index: 1;
}
.brand-tab-item {
    position: relative;
    padding: 12px 32px;
    min-width: 140px;
    text-align: center;
    font-size: 18px;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: 0.3s;
    z-index: 2;
}
.brand-tab-item.active {
    color: var(--color-white);
}

.brand-tab-content-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 450px;
}
.brand-tab-content {
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s ease;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 2;
    pointer-events: none;
}
.brand-tab-content.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
    position: relative;
    flex: 1;
}

.brand-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.brand-card {
    background: var(--color-white);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(26,93,156,0.1);
    transition: 0.5s;
    position: relative;
    transform-style: preserve-3d;
    opacity: 0;
    transform: translateY(30px);
}
.brand-tab-content.active .brand-card {
    opacity: 1;
    transform: translateY(0);
}
.brand-card:nth-child(1){transition-delay:0.1s;}
.brand-card:nth-child(2){transition-delay:0.2s;}
.brand-card:nth-child(3){transition-delay:0.3s;}
.brand-card:nth-child(4){transition-delay:0.4s;}
.brand-card:nth-child(5){transition-delay:0.5s;}
.brand-card:nth-child(6){transition-delay:0.6s;}
.brand-card:nth-child(7){transition-delay:0.7s;}
.brand-card:nth-child(8){transition-delay:0.8s;}

.brand-card:hover {
    transform: translateY(-12px) rotateY(4deg) rotateX(4deg);
    box-shadow: 0 20px 45px rgba(26,93,156,0.18);
}
.brand-img {
    width: 100%;
    height: 230px;
    object-fit: cover;
    transition: 0.6s;
}
.brand-card:hover .brand-img {
    transform: scale(1.1);
}
.brand-info {
    padding: 26px;
}
.brand-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.brand-desc {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    /* 关键三行 */
    display: -webkit-box;
    -webkit-line-clamp: 2; /* 限制2行 */
    line-clamp: 2; /* 标准属性，用于兼容性 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (max-width: 1200px) {
    .brand-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 25px;
    }
}

@media (max-width: 992px) {
    .brand-tab-content-wrapper {
        min-height: auto;
    }
    
    .brand-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .brand-imprint {
        padding: 60px 0;
    }
    
    .brand-tab-wrapper {
        flex-wrap: wrap;
    }
    
    .brand-tab-item {
        min-width: 120px;
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .brand-tab-content-wrapper {
        min-height: auto;
    }
    
    .brand-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 16px;
    }
    
    .brand-card {
        border-radius: 10px;
    }
    
    .brand-img {
        height: 180px;
    }
    
    .brand-info {
        padding: 18px;
    }
    
    .brand-title {
        font-size: 16px;
    }
    
    .brand-desc {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .brand-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    
    .brand-card {
        border-radius: 8px;
    }
    
    .brand-img {
        height: 160px;
    }
}

/* ============================================ */
/* 集团新闻区域样式 */
/* ============================================ */
.news-section {
    padding: 80px 0 100px;
    background: var(--color-white);
       position: relative;
}

.news-section .container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 20px;
}

.news-tabs-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--color-white);
    border-radius: 50px;
    padding: 6px;
    width: fit-content;
    margin: 0 auto 50px;
    box-shadow: 0 6px 20px rgba(26,93,156,0.08);
    z-index: 2;
}

.news-tab-slider {
    position: absolute;
    top: 6px;
    left: 6px;
    height: calc(100% - 12px);
    background: var(--color-primary);
    border-radius: 50px;
    transition: all 0.4s cubic-bezier(0.3,1,0.7,1);
    z-index: 1;
}

.news-tab-item {
    position: relative;
    padding: 12px 28px;
    text-align: center;
    font-size: 18px;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: 0.3s;
    z-index: 2;
    flex: 0 1 auto;
}

.news-tab-item.active {
    color: var(--color-white);
}

.news-content-wrapper {
    position: relative;
}

.news-content-group {
    display: none;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.news-content-group.active {
    display: grid;
    opacity: 1;
    grid-template-columns: 0.55fr 0.45fr;
    /* grid-template-columns: auto 1fr; */
    gap: 30px;
    min-height: 655px;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.news-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 20px;
    max-height: 758px;
}

.news-image-item {
    position: relative;
    overflow: hidden;
    border-radius: 14px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.news-image-item:hover {
    transform: translateY(-4px);
}

.news-image-item:first-child {
    grid-row: span 2;
}

.news-image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.news-image-item:hover img {
    transform: scale(1.05);
}

.news-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 16px 16px;
    background: linear-gradient(transparent, rgba(0,0,0,0.75));
    color: var(--color-white);
}

.news-image-overlay h4 {
    font-size: 16px;
    font-weight: 500;
    line-height: 1.5;
    margin-bottom: 4px;
}

.news-image-overlay span {
    font-size: 12px;
    color: rgba(255,255,255,0.7);
}

.news-list {
    display: flex;
    flex-direction: column;
}

.news-list-item {
    display: flex;
    column-gap: 16px;
    padding: 18px 0;
    border-bottom: 1px solid #f0f0f0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.news-list-item>div{
    flex-shrink: 1;
    min-width: 0;
}

.news-list-item:hover {
    transform: translateX(4px);
}

.news-list-item:last-child {
    border-bottom: none;
}

.news-list-date {
    flex-shrink: 0;
    width: 60px;
    text-align: center;
    padding-right: 16px;
    border-right: 2px solid var(--color-accent);
    /* margin-right: 16px; */
}

.news-list-date .day {
    font-size: 30px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.news-list-date .month {
    font-size: 14px;
    color: var(--color-text-light);
}

.news-list-content {
    flex: 1;
    container-type: inline-size;
}

.news-list-content>*{
    overflow: hidden;         /* 超出隐藏 */
    text-overflow: ellipsis;  /* ... */
}

.news-list-content h4 {
    font-size: 18px;
    font-weight: 500;
    max-width: 100cqw;
    white-space: nowrap;      /* 不换行 */
    color: var(--color-text-primary);
    margin-bottom: 6px;
    line-height: 1.5;
    transition: color 0.3s ease;
}

.news-list-item:hover .news-list-content h4 {
    color: var(--color-primary);
}

.news-list-content p {
    font-size: 13px;
    color: var(--color-text-light);
    line-height: 1.6;
    display: block;
    min-height: 1.6em;
    /* 关键三行 */
    display: -webkit-box;
    -webkit-line-clamp: 2; /* 限制2行 */
    line-clamp: 2; /* 标准属性，用于兼容性 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}


.news-list-tag {
    display: inline-block;
    padding: 2px 10px;
    font-size: 12px;
    color: var(--color-primary);
    background: rgba(26, 93, 156, 0.08);
    border-radius: 2px;
    margin-bottom: 6px;
}

@media (max-width: 1024px) {
    .news-content-group.active {
        grid-template-columns: 1fr;
    }
    
    .news-images {
        grid-template-rows: 200px 200px;
    }
}

@media (max-width: 768px) {
    .news-section {
        padding: 60px 0 80px;
    }
    
    .news-tab-item {
        /* min-width: 100px; */
        padding: 10px 18px;
        font-size: 14px;
    }
    
    .news-images {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(3, 180px);
    }
    
    .news-image-item:first-child {
        grid-row: span 1;
    }
    
    .news-list-item {
        padding: 14px 0;
    }
    
    .news-list-date {
        width: 50px;
    }
    
    .news-list-date .day {
        font-size: 26px;
    }
}

@media (max-width: 480px) {
    .news-tab-item {
        padding: 8px 14px;
        font-size: 13px;
    }
}

/* ============================================ */
/* 报刊3D轮播区域样式 */
/* ============================================ */
.paper {
    padding: 100px 0;
    background: linear-gradient(180deg, #e8f0f5 0%, #f0f5fa 50%, #f5f8fc 100%);
    position: relative;
    overflow: hidden;
}
.paper .paper-water {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}
.paper .paper-water::before,
.paper .paper-water::after {
    content: "";
    position: absolute;
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    background: rgba(26,93,156,0.08);
    animation: waterWave 12s infinite ease-in-out;
}
.paper .paper-water::before {
    width: 120%;
    height: 120%;
    top: -40%;
    left: -10%;
    animation-delay: 0s;
}
.paper .paper-water::after {
    width: 80%;
    height: 80%;
    bottom: -20%;
    right: -10%;
    animation-delay: -6s;
}
@keyframes waterWave {
    0%, 100% {
        transform: rotate(0deg) scale(1);
        opacity: 0.6;
    }
    50% {
        transform: rotate(180deg) scale(1.1);
        opacity: 0.4;
    }
}
.paper .paper-water span {
    position: absolute;
    border-radius: 50%;
    background: rgba(100,180,255,0.05);
    animation: waterRipple 8s infinite ease-in-out;
}
.paper .paper-water span:nth-child(1) {
    width: 300px;
    height: 300px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}
.paper .paper-water span:nth-child(2) {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 15%;
    animation-delay: -2s;
}
.paper .paper-water span:nth-child(3) {
    width: 150px;
    height: 150px;
    bottom: 30%;
    left: 50%;
    animation-delay: -4s;
}
@keyframes waterRipple {
    0%, 100% {
        transform: scale(1) translateY(0);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.3) translateY(-20px);
        opacity: 0.8;
    }
}
.paper .container {
    max-width: 1600px;
    margin: 0 auto;
    position: relative;
    perspective: 1800px;
    padding: 0 20px;
}
.paper .paper-box {
    position: relative;
    width: 100%;
    height: 720px;
    transform-style: preserve-3d;
}

.paper .paper-header {
    color: var(--color-text-primary);
    padding: 20px 24px;
    font-size: 20px;
    font-weight: 600;
    text-align: center;
}

.paper .paper-image-wrap {
    flex: 1;
    overflow: hidden;
    position: relative;
    padding:0  36px;
    clip-path: inset(0 36px);
}

.paper .paper-image-wrap::after {
    content: '';
    position: absolute;
    top: 0;
    left: 36px;
    right: 36px;
    bottom: 0;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
    pointer-events: none;
    z-index: 10;
}

.paper .paper-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}
.paper .paper-item:hover .paper-header {
    color: var(--color-accent);
}
.paper .paper-item:hover .paper-img {
    transform: scale(1.03);
}

.paper .paper-footer {
    padding: 16px 24px;
    text-align: center;
    font-size: 14px;
    color: var(--color-text-secondary);
}

.paper .paper-item {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 440px;
    height: 580px;
    margin-left: -220px;
    margin-top: -290px;
    transition: all 0.8s cubic-bezier(0.2,0.8,0.2,1);
    cursor: default;
    box-shadow: 0 18px 55px rgba(0,0,0,0.25);
    border-radius: 12px;
    overflow: hidden;
    backface-visibility: hidden;
    opacity: 0;
    background: var(--color-white);
    display: flex;
    flex-direction: column;
    transform-origin: center center -200px;
}
.paper .paper-box .paper-item[data-index="1"] { transform: rotateY(0deg)}
.paper .paper-box .paper-item[data-index="5"] { transform: rotateY(360deg)}

.paper .paper-box.active .paper-item[data-index="0"] { transform: translateZ(400px); opacity: 1; cursor: pointer;}
.paper .paper-box.active .paper-item[data-index="1"] { transform: rotateY(60deg) translateZ(300px); opacity: 0.9; cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='64' height='64' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M4 12l8-8 1.4 1.4L7.8 11h16v2H7.8l5.6 5.6L12 20z'/%3E%3C/svg%3E") 16 16, pointer; }
.paper .paper-box.active .paper-item[data-index="2"] { transform: rotateY(120deg) translateZ(100px); opacity: 0; }
.paper .paper-box.active .paper-item[data-index="3"] { transform: rotateY(180deg) translateZ(0); opacity: 0; }
.paper .paper-box.active .paper-item[data-index="4"] { transform: rotateY(240deg) translateZ(100px); opacity: 0; }
.paper .paper-box.active .paper-item[data-index="5"] { transform: rotateY(300deg) translateZ(300px); opacity: 0.9; cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='64' height='64' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M20 12l-8 8-1.4-1.4L16.2 13H4v-2h12.2l-5.6-5.6L12 4z'/%3E%3C/svg%3E") 16 16, pointer; }

.paper .paper-arrow {
    position: absolute;
    top: 50%;
    transform: translateZ(400px) translateY(-50%) scale(0.8);
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-primary, #8B5A2B);
    cursor: pointer;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.paper .paper-arrow:hover {
    background: var(--color-primary, #8B5A2B);
    color: #fff;
    transform: translateZ(400px) translateY(-50%) scale(1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.paper .paper-arrow-left {
    left: 12%;
}

.paper .paper-arrow-right {
    right: 12%;
}

@media (max-width: 1024px) {
    .paper .paper-item { width: 320px; height: 440px; margin-left: -160px; margin-top: -220px; }
    .paper .paper-arrow { width: 40px; height: 40px; }
}
@media (max-width: 768px) {
    .paper .paper-box { height: 400px; }
    .paper .paper-item { width: 240px; height: 340px; margin-left: -120px; margin-top: -170px; }
    .about .container { grid-template-columns: 1fr; }
    .industry-grid { grid-template-columns: 1fr; height: auto;}
    .industry-item .text { transform: translateY(0) !important;}
}


/* ============================================ */
/* 产业板块样式 */
/* ============================================ */

.industry {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, var(--color-white-light) 0%, var(--color-white) 40%, var(--color-white-light) 100%);
}
/* 产业板块 - 蓝图网格装饰背景 */
.industry::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.035;
    background-image:
        repeating-linear-gradient(
            90deg,
            var(--color-primary) 0,
            var(--color-primary) 1px,
            transparent 1px,
            transparent 120px
        ),
        repeating-linear-gradient(
            0deg,
            var(--color-primary) 0,
            var(--color-primary) 1px,
            transparent 1px,
            transparent 120px
        );
}
/* 产业板块 - 右下角大号装饰圆环 */
.industry::after {
    content: "";
    position: absolute;
    bottom: -80px;
    right: -80px;
    width: 320px;
    height: 320px;
    border: 3px solid rgba(var(--color-primary-rgb), 0.06);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}
.industry .container {
    position: relative;
    z-index: 1;
}
/* 产业板块 - 对角装饰圆环 */
.industry-decor {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}
.industry-decor--tl {
    top: -60px;
    left: -60px;
    width: 240px;
    height: 240px;
    border: 2px solid rgba(var(--color-primary-rgb), 0.05);
}
.industry-decor--br {
    bottom: -100px;
    right: -100px;
    width: 360px;
    height: 360px;
    border: 2px solid rgba(var(--color-primary-rgb), 0.05);
}
.industry-decor--tl::after {
    content: "";
    position: absolute;
    top: 30px;
    left: 30px;
    width: 180px;
    height: 180px;
    border: 1.5px dashed rgba(var(--color-primary-rgb), 0.04);
    border-radius: 50%;
}
.industry-decor--br::after {
    content: "";
    position: absolute;
    top: 40px;
    left: 40px;
    width: 280px;
    height: 280px;
    border: 1.5px dashed rgba(var(--color-primary-rgb), 0.04);
    border-radius: 50%;
}
.industry .container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 20px;
}

.industry-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: repeat(5, 1fr);
    height: 660px;
    gap: 20px;
}
.industry-grid .industry-item:nth-child(1) {
    grid-column: 1/ span 3;
    grid-row: 1/ span 3;
}
 .industry-grid .industry-item:nth-child(2) {
    grid-column: 4/ span 1;
    grid-row: 1/ span 2;
}

.industry-grid .industry-item:nth-child(3) {
    grid-column: 5/ span 1;
    grid-row: 1/ span 2;
}

.industry-grid .industry-item:nth-child(4) {
    grid-column: 6/ span 1;
    grid-row: 1/ span 2;
}

.industry-grid .industry-item:nth-child(5) {
    grid-column: 1/ span 1;
    grid-row: 4/ span 2;
}

.industry-grid .industry-item:nth-child(6) {
    grid-column: 2/ span 1;
    grid-row: 4/ span 2;
}

.industry-grid .industry-item:nth-child(7) {
    grid-column: 3/ span 1;
    grid-row: 4/ span 2;
}

.industry-grid .industry-item:nth-child(8) {
    grid-column: 4/ span 3;
    grid-row: 3/ span 3;
}


.industry-item {
    position: relative;
    overflow: hidden;
    transition: all 0.35s ease;
    cursor: pointer;
    border-radius: 14px;
    height: 100%;
}
.industry-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.industry-item .text {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    background: linear-gradient(45deg, rgba(255, 50, 50, 0.4) 50%, rgba(26, 93, 156, 0.4) 50%);
    color: var(--color-white);
    padding: 14px 18px;
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    text-shadow: 0 2px 4px rgba(0,0,0,0.35);
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.33, 1, 0.68, 1);
}
.industry-item:hover .text {
    transform: translateY(0);
}
.industry-item:hover {
    box-shadow: 0 12px 24px rgba(0,0,0,0.35);
    z-index: 10;
}
.industry-item:hover img {
    transform: scale(1.08);
}