/* ============================================
   田氏君昊控股 - 高端企业官网样式
   Gold Luxury Theme
   ============================================ */

/* --- CSS Variables --- */
:root {
    --gold: #C6A44E;
    --gold-light: #D4B96A;
    --gold-dark: #A8893A;
    --gold-pale: #F5EFDF;
    --gold-gradient: linear-gradient(135deg, #C6A44E 0%, #E2C97E 50%, #C6A44E 100%);
    --dark: #1A1A1A;
    --dark-soft: #2C2C2C;
    --text: #333333;
    --text-light: #666666;
    --text-lighter: #999999;
    --bg: #FFFFFF;
    --bg-warm: #FAFAF7;
    --bg-section: #F7F5F0;
    --border: #E8E4DB;
    --border-light: #F0EDE6;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 24px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.08);
    --shadow-gold: 0 4px 20px rgba(198,164,78,0.15);
    --font-serif: 'Noto Serif SC', 'SimSun', serif;
    --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --nav-height: 80px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

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

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

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

/* --- 动画基础 --- */
.section,
.biz-card,
.str-card,
.news-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.section.visible,
.biz-card.visible,
.str-card.visible,
.news-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.biz-card:nth-child(2) { transition-delay: 0.1s; }
.biz-card:nth-child(3) { transition-delay: 0.2s; }
.biz-card:nth-child(4) { transition-delay: 0.3s; }
.str-card:nth-child(2) { transition-delay: 0.1s; }
.str-card:nth-child(3) { transition-delay: 0.2s; }
.str-card:nth-child(4) { transition-delay: 0.3s; }
.news-card:nth-child(2) { transition-delay: 0.1s; }
.news-card:nth-child(3) { transition-delay: 0.15s; }
.news-card:nth-child(4) { transition-delay: 0.2s; }

/* ============================================
   导航栏
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--border);
    height: 70px;
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
    transition: var(--transition);
}

.navbar.scrolled .nav-content {
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-emblem {
    width: 44px;
    height: 44px;
    background: var(--gold-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    position: relative;
}

.logo-emblem::before {
    content: '';
    position: absolute;
    inset: -2px;
    border: 1px solid var(--gold);
    opacity: 0.3;
}

.logo-emblem.small {
    width: 36px;
    height: 36px;
    font-size: 18px;
}

.logo-cn {
    display: block;
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    letter-spacing: 3px;
    line-height: 1.2;
}

.navbar:not(.scrolled) .logo-cn {
    color: #fff;
}

.logo-en {
    display: block;
    font-size: 9px;
    letter-spacing: 2px;
    color: var(--text-lighter);
    line-height: 1.2;
    font-weight: 500;
}

.navbar:not(.scrolled) .logo-en {
    color: rgba(255,255,255,0.6);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    display: block;
    padding: 8px 18px;
    font-size: 14px;
    font-weight: 400;
    color: rgba(255,255,255,0.8);
    letter-spacing: 1px;
    position: relative;
    transition: var(--transition);
}

.navbar.scrolled .nav-link {
    color: var(--text-light);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #fff;
}

.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
    color: var(--gold);
}

.nav-link.active::after,
.nav-link:hover::after {
    width: 20px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    transition: var(--transition);
}

.navbar.scrolled .nav-toggle span {
    background: var(--dark);
}

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

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

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

/* ============================================
   Hero 区域
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #1a1a1a 0%, #2a2520 40%, #1a1a1a 100%);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(198,164,78,0.08) 0%, transparent 70%);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.03;
    background-image:
        linear-gradient(var(--gold) 1px, transparent 1px),
        linear-gradient(90deg, var(--gold) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
    padding-top: 40px;
}

.hero-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
    font-size: 12px;
    letter-spacing: 4px;
    color: var(--gold);
    font-weight: 500;
}

.badge-line {
    display: block;
    width: 40px;
    height: 1px;
    background: var(--gold);
    opacity: 0.4;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 68px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 8px;
    line-height: 1.3;
    margin-bottom: 32px;
}

.title-line {
    display: inline-block;
}

.title-dot {
    display: inline-block;
    color: var(--gold);
    margin: 0 16px;
    font-size: 48px;
    vertical-align: middle;
}

.hero-title .gold {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 17px;
    color: rgba(255,255,255,0.55);
    line-height: 2;
    letter-spacing: 2px;
    font-weight: 300;
    margin-bottom: 50px;
}

.hero-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn-gold {
    display: inline-block;
    padding: 14px 42px;
    background: var(--gold-gradient);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 2px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-gold::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
    transition: var(--transition);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.btn-outline {
    display: inline-block;
    padding: 14px 42px;
    border: 1px solid rgba(198,164,78,0.4);
    color: var(--gold-light);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 2px;
    transition: var(--transition);
}

.btn-outline:hover {
    background: rgba(198,164,78,0.1);
    border-color: var(--gold);
    transform: translateY(-2px);
}

/* Hero 滚动指示器 */
.hero-scroll {
    position: absolute;
    right: 40px;
    bottom: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 2;
}

.scroll-text {
    font-size: 10px;
    letter-spacing: 3px;
    color: rgba(255,255,255,0.3);
    writing-mode: vertical-lr;
}

.scroll-bar {
    width: 1px;
    height: 60px;
    background: rgba(255,255,255,0.1);
    position: relative;
    overflow: hidden;
}

.scroll-bar span {
    display: block;
    width: 100%;
    height: 30px;
    background: var(--gold);
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(200%); }
}

/* Hero 底部数据条 */
.hero-stats {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(198,164,78,0.15);
    z-index: 2;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.hero-stats.visible {
    opacity: 1;
    transform: translateY(0);
}

.stats-row {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px 0;
    gap: 0;
}

.stat-item {
    flex: 1;
    text-align: center;
}

.stat-num {
    font-family: var(--font-serif);
    font-size: 42px;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
}

.stat-unit {
    font-size: 16px;
    color: var(--gold-light);
    font-weight: 400;
}

.stat-label {
    display: block;
    font-size: 13px;
    color: rgba(255,255,255,0.45);
    margin-top: 8px;
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(198,164,78,0.2);
}

/* ============================================
   通用 Section 样式
   ============================================ */
.section {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 60px;
}

.section-header.center {
    text-align: center;
}

.section-header.light .section-tag {
    color: var(--gold-light);
    border-color: rgba(198,164,78,0.3);
}

.section-header.light .section-title {
    color: #fff;
}

.section-tag {
    display: inline-block;
    font-size: 11px;
    letter-spacing: 4px;
    color: var(--gold);
    font-weight: 500;
    margin-bottom: 16px;
    padding: 4px 0;
    border-bottom: 1px solid var(--gold-pale);
}

.section-title {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: 700;
    color: var(--dark);
    letter-spacing: 4px;
    line-height: 1.4;
}

.title-underline {
    width: 40px;
    height: 2px;
    background: var(--gold-gradient);
    margin-top: 20px;
}

.title-underline.center {
    margin-left: auto;
    margin-right: auto;
}

.section-desc {
    font-size: 15px;
    color: var(--text-light);
    margin-top: 16px;
    letter-spacing: 1px;
    font-weight: 300;
}

/* ============================================
   关于集团
   ============================================ */
.about {
    background: var(--bg);
}

.about-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 60px;
    align-items: start;
}

.about-intro .intro-lead {
    font-size: 17px;
    color: var(--text);
    line-height: 1.9;
    margin-bottom: 16px;
    font-weight: 400;
}

.about-intro p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 12px;
}

.about-intro strong {
    color: var(--gold-dark);
    font-weight: 600;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.value-item {
    padding: 28px 20px;
    background: var(--bg-warm);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.value-item:hover {
    border-color: var(--gold-pale);
    box-shadow: var(--shadow-sm);
}

.value-icon {
    width: 36px;
    height: 36px;
    color: var(--gold);
    margin-bottom: 16px;
}

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

.value-item h4 {
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.value-item p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.7;
}

/* 右侧 */
.about-image {
    width: 100%;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--bg-section) 0%, var(--gold-pale) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    width: 60px;
    height: 60px;
    border-top: 2px solid var(--gold);
    border-left: 2px solid var(--gold);
}

.about-image::after {
    content: '';
    position: absolute;
    bottom: -1px;
    right: -1px;
    width: 60px;
    height: 60px;
    border-bottom: 2px solid var(--gold);
    border-right: 2px solid var(--gold);
}

.img-placeholder {
    text-align: center;
}

.placeholder-inner {
    color: var(--gold);
    opacity: 0.5;
}

.placeholder-inner svg {
    width: 80px;
    height: 80px;
    margin-bottom: 12px;
}

.placeholder-inner span {
    display: block;
    font-size: 13px;
    letter-spacing: 3px;
    font-weight: 500;
}

.about-quote {
    margin-top: 24px;
    padding: 24px 28px;
    border-left: 2px solid var(--gold);
    background: var(--bg-warm);
}

.about-quote blockquote {
    font-family: var(--font-serif);
    font-size: 15px;
    color: var(--text);
    line-height: 1.8;
    font-style: italic;
}

.about-quote cite {
    display: block;
    font-size: 12px;
    color: var(--gold);
    margin-top: 12px;
    font-style: normal;
    letter-spacing: 2px;
}

/* ============================================
   产业布局
   ============================================ */
.business {
    background: var(--bg-section);
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.biz-card {
    background: var(--bg);
    padding: 40px 28px 32px;
    border: 1px solid var(--border-light);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.biz-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gold-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.biz-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--gold-pale);
}

.biz-card:hover::before {
    transform: scaleX(1);
}

.biz-num {
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 700;
    color: var(--gold-pale);
    line-height: 1;
    margin-bottom: 20px;
}

.biz-card:hover .biz-num {
    color: var(--gold-light);
}

.biz-icon {
    width: 48px;
    height: 48px;
    color: var(--gold);
    margin-bottom: 20px;
}

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

.biz-title {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.biz-desc {
    font-size: 13.5px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.biz-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.biz-tags span {
    font-size: 11px;
    padding: 3px 10px;
    background: var(--gold-pale);
    color: var(--gold-dark);
    letter-spacing: 1px;
}

/* ============================================
   集团实力
   ============================================ */
.strength {
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.strength-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(198,164,78,0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 50%, rgba(198,164,78,0.04) 0%, transparent 60%);
}

.strength-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
}

.str-card {
    padding: 36px 28px;
    border: 1px solid rgba(198,164,78,0.12);
    background: rgba(255,255,255,0.02);
    transition: var(--transition);
}

.str-card:hover {
    background: rgba(198,164,78,0.05);
    border-color: rgba(198,164,78,0.25);
}

.str-icon {
    width: 40px;
    height: 40px;
    color: var(--gold);
    margin-bottom: 24px;
}

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

.str-card h4 {
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.str-card p {
    font-size: 13.5px;
    color: rgba(255,255,255,0.5);
    line-height: 1.8;
}

/* ============================================
   集团动态
   ============================================ */
.news {
    background: var(--bg);
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.news-card {
    padding: 32px;
    border: 1px solid var(--border-light);
    transition: var(--transition);
    display: flex;
    gap: 24px;
}

.news-card:hover {
    border-color: var(--gold-pale);
    box-shadow: var(--shadow-sm);
}

.news-card.featured {
    grid-column: 1 / -1;
    padding: 0;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.news-card.featured .news-body {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-img {
    background: linear-gradient(135deg, var(--bg-section) 0%, var(--gold-pale) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 280px;
}

.news-img-placeholder {
    color: var(--gold);
    opacity: 0.3;
}

.news-img-placeholder svg {
    width: 80px;
    height: 80px;
}

.news-meta {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 12px;
}

.news-date {
    font-size: 12px;
    color: var(--text-lighter);
    letter-spacing: 1px;
}

.news-cat {
    font-size: 11px;
    padding: 2px 10px;
    background: var(--gold-pale);
    color: var(--gold-dark);
    letter-spacing: 1px;
}

.news-title {
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 10px;
    line-height: 1.6;
    letter-spacing: 1px;
}

.news-card.featured .news-title {
    font-size: 20px;
}

.news-excerpt {
    font-size: 13.5px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.news-link {
    font-size: 13px;
    color: var(--gold);
    font-weight: 500;
    letter-spacing: 1px;
}

.news-link:hover {
    color: var(--gold-dark);
}

/* ============================================
   联系我们
   ============================================ */
.contact {
    background: var(--bg-section);
}

.contact-layout {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 60px;
}

.info-card {
    display: flex;
    gap: 16px;
    padding: 24px 0;
    border-bottom: 1px solid var(--border-light);
}

.info-card:first-child {
    padding-top: 0;
}

.info-card:last-child {
    border-bottom: none;
}

.info-icon {
    width: 24px;
    height: 24px;
    color: var(--gold);
    flex-shrink: 0;
    margin-top: 2px;
}

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

.info-card h5 {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 6px;
    letter-spacing: 1px;
}

.info-card p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.7;
}

/* 表单 */
.contact-form-wrap {
    background: var(--bg);
    padding: 40px;
    border: 1px solid var(--border-light);
}

.contact-form-wrap h3 {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 600;
    color: var(--dark);
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.form-desc {
    font-size: 13px;
    color: var(--text-lighter);
    margin-bottom: 28px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full {
    margin-bottom: 24px;
}

.form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.form-group label span {
    color: var(--gold);
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--border);
    background: var(--bg-warm);
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--text);
    outline: none;
    transition: var(--transition);
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-lighter);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--gold);
    background: var(--bg);
    box-shadow: 0 0 0 3px rgba(198,164,78,0.08);
}

.submit-btn {
    width: 100%;
    padding: 15px;
    font-size: 15px;
    letter-spacing: 3px;
}

.form-success {
    text-align: center;
    padding: 60px 20px;
}

.success-icon {
    width: 60px;
    height: 60px;
    background: var(--gold-gradient);
    color: #fff;
    font-size: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    border-radius: 50%;
}

.form-success h4 {
    font-family: var(--font-serif);
    font-size: 22px;
    color: var(--dark);
    margin-bottom: 8px;
}

.form-success p {
    font-size: 14px;
    color: var(--text-light);
}

/* ============================================
   页脚
   ============================================ */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.5);
}

.footer-top {
    padding: 64px 0 48px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-logo .logo-cn {
    color: #fff;
    font-size: 16px;
}

.footer-logo .logo-en {
    color: rgba(255,255,255,0.4);
}

.footer-slogan {
    font-size: 13px;
    line-height: 1.8;
    color: rgba(255,255,255,0.35);
}

.footer-links h5 {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255,255,255,0.8);
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.footer-links a {
    display: block;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
    padding: 5px 0;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--gold);
    padding-left: 4px;
}

.footer-bottom {
    padding: 24px 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 12px;
    color: rgba(255,255,255,0.3);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    font-size: 12px;
    color: rgba(255,255,255,0.3);
}

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

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1024px) {
    .container {
        padding: 0 24px;
    }

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

    .about-layout {
        grid-template-columns: 1fr;
    }

    .about-side {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

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

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

    .contact-layout {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 64px;
    }

    .nav-menu {
        display: none;
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0;
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-menu .nav-link {
        color: var(--text);
        font-size: 18px;
        padding: 16px 24px;
    }

    .nav-menu .nav-link.active,
    .nav-menu .nav-link:hover {
        color: var(--gold);
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 36px;
        letter-spacing: 4px;
    }

    .title-dot {
        display: block;
        font-size: 28px;
        margin: 4px 0;
    }

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

    .hero-btns {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .hero-scroll {
        display: none;
    }

    .stats-row {
        flex-wrap: wrap;
        gap: 0;
    }

    .stat-item {
        flex: 0 0 50%;
        padding: 16px 0;
    }

    .stat-num {
        font-size: 32px;
    }

    .stat-divider {
        display: none;
    }

    .section {
        padding: 64px 0;
    }

    .section-title {
        font-size: 28px;
    }

    .about-values {
        grid-template-columns: 1fr;
    }

    .about-side {
        grid-template-columns: 1fr;
    }

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

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

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

    .news-card.featured {
        grid-template-columns: 1fr;
    }

    .news-card.featured .news-img {
        min-height: 200px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form-wrap {
        padding: 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom-content {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

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

    .btn-gold,
    .btn-outline {
        padding: 12px 32px;
        font-size: 13px;
    }

    .biz-card {
        padding: 28px 20px 24px;
    }

    .biz-num {
        font-size: 36px;
    }
}