/* 极简轻奢风格企业官网 - 首页样式 */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500&family=Noto+Sans+SC:wght@300;400;500&display=swap');

:root {
    --color-bg: #F5F5F5;
    --color-bg-alt: #FAFAFA;
    --color-white: #FFFFFF;
    --color-gold: #C9A96E;
    --color-gold-dark: #B8956A;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-border: #E0E0E0;
    --color-gray: #8B8B8B;
    --color-gray-light: #A0A0A0;
    --font-main: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-english: 'Montserrat', sans-serif;
    --shadow-soft: 0 2px 20px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.08);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.8;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
}

section {
    position: relative;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 40px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-english);
}

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

.btn-primary:hover {
    background-color: var(--color-gold-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--color-gold);
    color: var(--color-gold);
}

.btn-outline:hover {
    background-color: var(--color-gold);
    color: var(--color-white);
}

/* 导航栏 */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 30px 0;
    transition: var(--transition);
}

header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-soft);
    padding: 20px 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-english);
    font-size: 24px;
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: 2px;
}

.logo span {
    color: var(--color-gold);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 50px;
}

.nav-menu a {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-text);
    letter-spacing: 0.5px;
    position: relative;
    padding: 5px 0;
}

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

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

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

/* Hero 区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #FAFAFA 0%, #F5F5F5 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(201, 169, 110, 0.03) 100%);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: 0 40px;
}

.hero-subtitle {
    font-family: var(--font-english);
    font-size: 14px;
    font-weight: 400;
    color: var(--color-gold);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 30px;
}

.hero-title {
    font-size: 56px;
    font-weight: 300;
    color: var(--color-text);
    line-height: 1.3;
    margin-bottom: 30px;
    letter-spacing: 2px;
}

.hero-title strong {
    font-weight: 500;
}

.hero-desc {
    font-size: 16px;
    color: var(--color-text-light);
    margin-bottom: 50px;
    line-height: 2;
}

.hero .btn {
    margin: 0 10px;
}

.hero-decorator {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.hero-decorator span {
    font-size: 12px;
    color: var(--color-gray);
    letter-spacing: 2px;
}

.hero-decorator .line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-gold), transparent);
}

/* 品牌理念 */
.brand-section {
    padding: 150px 0;
    background-color: var(--color-white);
}

.brand-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}

.brand-text .section-label {
    font-family: var(--font-english);
    font-size: 12px;
    font-weight: 400;
    color: var(--color-gold);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.brand-text h2 {
    font-size: 42px;
    font-weight: 300;
    color: var(--color-text);
    line-height: 1.3;
    margin-bottom: 30px;
}

.brand-text h2 strong {
    font-weight: 500;
}

.brand-text p {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 2;
    margin-bottom: 20px;
}

.brand-decoration {
    position: relative;
    height: 400px;
}

.brand-decoration .circle {
    position: absolute;
    border: 1px solid var(--color-gold);
    border-radius: 50%;
    opacity: 0.3;
}

.brand-decoration .circle-1 {
    width: 300px;
    height: 300px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.brand-decoration .circle-2 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(201, 169, 110, 0.05);
}

.brand-decoration .line-h {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--color-border);
}

/* 服务展示 */
.services-section {
    padding: 150px 0;
    background-color: var(--color-bg);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header .section-label {
    font-family: var(--font-english);
    font-size: 12px;
    font-weight: 400;
    color: var(--color-gold);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 300;
    color: var(--color-text);
    margin-bottom: 20px;
}

.section-header p {
    font-size: 15px;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.service-card {
    display: block;
    background-color: var(--color-white);
    padding: 60px 40px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon svg {
    width: 40px;
    height: 40px;
    stroke: var(--color-gold);
    stroke-width: 1.5;
    fill: none;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 400;
    color: var(--color-text);
    margin-bottom: 15px;
}

.service-card p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* 案例展示 */
.works-section {
    padding: 150px 0;
    background-color: var(--color-white);
}

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

.work-item {
    display: block;
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
    text-decoration: none;
    color: inherit;
}

.work-item:first-child {
    grid-column: span 2;
    grid-row: span 2;
    aspect-ratio: auto;
}

.work-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.work-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px;
    background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
    opacity: 0;
    transition: var(--transition);
}

.work-item:hover .work-overlay {
    opacity: 1;
}

.work-overlay h3 {
    font-size: 18px;
    font-weight: 400;
    color: var(--color-white);
    margin-bottom: 5px;
}

.work-overlay span {
    font-family: var(--font-english);
    font-size: 12px;
    color: var(--color-gold);
    letter-spacing: 1px;
}

/* 数据统计 */
.stats-section {
    padding: 150px 0;
    background-color: var(--color-bg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 60px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-english);
    font-size: 60px;
    font-weight: 300;
    color: var(--color-gold);
    line-height: 1;
    margin-bottom: 15px;
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-light);
    letter-spacing: 1px;
}

/* 合作伙伴 */
.partners-section {
    padding: 100px 0;
    background-color: var(--color-white);
}

.partners-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 60px;
}

.partners-grid a {
    opacity: 0.6;
    transition: var(--transition);
}

.partners-grid a:hover {
    opacity: 1;
}

.partners-grid img {
    height: 40px;
    width: auto;
}

/* CTA 区域 */
.cta-section {
    padding: 150px 0;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-white) 100%);
    text-align: center;
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, transparent, var(--color-gold));
}

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

.cta-content h2 {
    font-size: 42px;
    font-weight: 300;
    color: var(--color-text);
    margin-bottom: 20px;
}

.cta-content h2 strong {
    font-weight: 500;
}

.cta-content p {
    font-size: 16px;
    color: var(--color-text-light);
    margin-bottom: 40px;
}

.cta-content .btn {
    margin: 0 10px;
}

/* 页脚 */
footer {
    background-color: var(--color-text);
    color: var(--color-white);
    padding: 80px 0 40px;
}

.foottop {
    margin-bottom: 60px;
}

.foottop .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
}

.foottop .lj {
    text-align: center;
    margin-bottom: 40px;
    font-size: 13px;
    color: var(--color-gray-light);
}

.foottop .lj span {
    color: var(--color-gold);
    margin-right: 15px;
    font-weight: 400;
}

.foottop .lj a {
    color: var(--color-gray-light);
    text-decoration: none;
    margin: 0 12px;
    transition: var(--transition);
}

.foottop .lj a:hover {
    color: var(--color-gold);
}

.foottop .box {
    display: grid;
    grid-template-columns: 200px 1fr 280px;
    gap: 60px;
    align-items: start;
    padding-top: 20px;
}

.foottop .box-left {
    display: flex;
    align-items: center;
}

.foottop .box-left img {
    max-width: 140px;
    height: auto;
}

.foottop .box-zx {
    text-align: left;
}

.foottop .box-zx_top {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.foottop .box-zx_top img {
    width: 44px;
    height: 44px;
}

.foottop .box-zx_top .rig p {
    margin: 0;
    font-size: 18px;
    font-weight: 500;
    color: var(--color-white);
    font-family: var(--font-english);
}

.foottop .box-zx_top .rig p:last-child {
    font-size: 13px;
    font-weight: 400;
    color: var(--color-gray-light);
    margin-top: 5px;
}

.foottop .box-zx p {
    font-size: 14px;
    color: var(--color-gray-light);
    margin-bottom: 12px;
    line-height: 1.8;
    padding-left: 30px;
}

.foottop .box-zx p span {
    color: var(--color-gold);
    margin-right: 10px;
    font-weight: 400;
}

.foottop .box-right {
    text-align: center;
}

.foottop .box-right h3 {
    font-size: 16px;
    font-weight: 400;
    color: var(--color-white);
    margin-bottom: 25px;
    letter-spacing: 2px;
}

.foottop .box-right ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 0;
    margin: 0;
}

.foottop .box-right ul li {
    text-align: center;
}

.foottop .box-right ul li img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 12px;
    background-color: var(--color-white);
    padding: 8px;
    border-radius: 4px;
}

.foottop .box-right ul li p {
    margin: 0;
    font-size: 12px;
    color: var(--color-gray-light);
}

.foot-cta {
    background-color: var(--color-bg);
    text-align: center;
    padding: 50px 0;
    margin: 40px 0;
}

.foot-cta .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
}

.foot-cta h3 {
    font-size: 28px;
    font-weight: 300;
    color: var(--color-text);
    margin-bottom: 25px;
}

.foot-cta a {
    display: inline-block;
    padding: 16px 40px;
    background-color: var(--color-gold);
    color: var(--color-white);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    transition: var(--transition);
}

.foot-cta a:hover {
    background-color: var(--color-gold-dark);
    transform: translateY(-2px);
}

.footbottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.footbottom p {
    font-size: 13px;
    color: var(--color-gray-light);
    margin: 0;
}

.footbottom a {
    color: var(--color-gray-light);
    text-decoration: none;
    transition: var(--transition);
}

.footbottom a:hover {
    color: var(--color-gold);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .container {
        padding: 0 40px;
    }

    .foottop .container {
        padding: 0 40px;
    }

    .hero-title {
        font-size: 48px;
    }

    .brand-content {
        gap: 60px;
    }

    .brand-text h2 {
        font-size: 36px;
    }

    .services-grid {
        gap: 30px;
    }

    .service-card {
        padding: 50px 30px;
    }

    .foottop .box {
        grid-template-columns: 160px 1fr 220px;
        gap: 40px;
    }
}

@media (max-width: 992px) {
    .container {
        padding: 0 30px;
    }

    .foottop .container {
        padding: 0 30px;
    }

    .nav-menu {
        gap: 30px;
    }

    .hero-title {
        font-size: 40px;
    }

    .brand-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .brand-decoration {
        display: none;
    }

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

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

    .work-item:first-child {
        grid-column: span 2;
        grid-row: span 1;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .stat-number {
        font-size: 48px;
    }

    .foottop .box {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .foottop .box-left {
        grid-column: span 2;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .foottop .container {
        padding: 0 20px;
    }

    header {
        padding: 20px 0;
    }

    .nav-menu {
        display: none;
    }

    .hero {
        min-height: 100vh;
    }

    .hero-content {
        padding: 0 20px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 12px;
        letter-spacing: 2px;
    }

    .hero-desc {
        font-size: 14px;
    }

    .hero .btn {
        padding: 14px 30px;
        font-size: 13px;
    }

    .brand-section,
    .services-section,
    .works-section,
    .stats-section,
    .cta-section {
        padding: 100px 0;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .brand-text h2 {
        font-size: 28px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

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

    .work-item:first-child {
        grid-column: span 1;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .stat-number {
        font-size: 40px;
    }

    .partners-grid {
        gap: 40px;
    }

    .partners-grid img {
        height: 30px;
    }

    .cta-content h2 {
        font-size: 28px;
    }

    .foottop .box {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .foottop .box-left {
        grid-column: span 1;
        justify-content: center;
    }
    
    .foottop .box-left img {
        max-width: 120px;
    }
    
    .foottop .box-zx {
        text-align: center;
    }
    
    .foottop .box-zx_top {
        justify-content: center;
    }
    
    .foottop .box-zx p {
        text-align: left;
        display: inline-block;
    }
    
    .foottop .box-right ul {
        flex-direction: row;
        gap: 20px;
    }
    
    .foottop .box-right ul li img {
        width: 80px;
        height: 80px;
    }
    
    .foottop .lj {
        font-size: 11px;
    }
    
    .foottop .lj a {
        margin: 0 6px;
    }
    
    .foot-cta {
        padding: 40px 0;
    }
    
    .foot-cta h3 {
        font-size: 22px;
    }
    
    .foot-cta a {
        padding: 14px 30px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .hero .btn {
        display: block;
        width: 100%;
        margin: 10px 0;
    }

    .section-header h2 {
        font-size: 24px;
    }

    .brand-section,
    .services-section,
    .works-section,
    .stats-section,
    .cta-section {
        padding: 80px 0;
    }

    .service-card {
        padding: 40px 25px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .stat-number {
        font-size: 36px;
    }

    .stat-label {
        font-size: 12px;
    }
    
    .foottop .box {
        gap: 30px;
    }
    
    .foottop .box-right ul {
        flex-direction: column;
        gap: 15px;
    }
    
    .foottop .box-right ul li img {
        width: 70px;
        height: 70px;
    }
    
    .foottop .lj {
        font-size: 10px;
    }
    
    .foot-cta h3 {
        font-size: 18px;
    }
    
    .foot-cta a {
        padding: 12px 24px;
        font-size: 12px;
    }
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate {
    animation: fadeInUp 0.8s ease-out forwards;
}