/* ========================================
   SMX 女装牛仔品牌官网 - 全局样式
   风格：简约大气
   主色调：深牛仔蓝
   ======================================== */

/* ---------- 基础重置 ---------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 色彩系统 */
    --color-primary: #1a3a5c;
    --color-primary-light: #2d5a87;
    --color-primary-dark: #0f2540;
    --color-accent: #c9a96e;
    --color-bg: #ffffff;
    --color-bg-soft: #f7f8fa;
    --color-bg-dark: #0f2540;
    --color-text: #2a2a2a;
    --color-text-light: #6b6b6b;
    --color-text-muted: #999999;
    --color-border: #e8e8e8;
    --color-white: #ffffff;

    /* 字体 */
    --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-display: 'Playfair Display', 'Noto Serif SC', serif;

    /* 间距 */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;

    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;

    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);

    /* 过渡 */
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

/* ---------- 通用容器 ---------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-narrow {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ---------- 通用按钮 ---------- */
.btn {
    display: inline-block;
    padding: 0.875rem 2.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-transform: uppercase;
}

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

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

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-primary);
}

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

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

.btn-white:hover {
    background: var(--color-bg-soft);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-ghost-white {
    background: transparent;
    color: var(--color-white);
    border: 1.5px solid rgba(255, 255, 255, 0.6);
}

.btn-ghost-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
}

/* ---------- 区块通用 ---------- */
.section {
    padding: var(--space-xl) 0;
}

.section-soft {
    background: var(--color-bg-soft);
}

.section-dark {
    background: var(--color-bg-dark);
    color: var(--color-white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.section-header .eyebrow {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
    display: block;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.3;
}

.section-dark .section-header h2 {
    color: var(--color-white);
}

.section-header p {
    max-width: 600px;
    margin: 1rem auto 0;
    color: var(--color-text-light);
    font-size: 1.0625rem;
}

.section-dark .section-header p {
    color: rgba(255, 255, 255, 0.7);
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-sm);
    padding: 0.875rem 0;
}

.navbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--color-white);
    transition: var(--transition);
}

.navbar.scrolled .navbar-logo {
    color: var(--color-primary);
}

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

.navbar-menu {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.navbar-menu a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    padding: 0.25rem 0;
}

.navbar.scrolled .navbar-menu a {
    color: var(--color-text);
}

.navbar-menu a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition);
}

.navbar-menu a:hover::after,
.navbar-menu a.active::after {
    width: 100%;
}

.navbar-menu a:hover {
    color: var(--color-accent);
}

.navbar.scrolled .navbar-menu a:hover {
    color: var(--color-primary);
}

/* 移动端菜单按钮 */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
}

.navbar-toggle span {
    width: 26px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition);
    border-radius: 2px;
}

.navbar.scrolled .navbar-toggle span {
    background: var(--color-primary);
}

.navbar-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.navbar-toggle.open span:nth-child(2) {
    opacity: 0;
}

.navbar-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ========================================
   Hero 首屏
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0f2540 0%, #1a3a5c 50%, #2d5a87 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(201, 169, 110, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(45, 90, 135, 0.3) 0%, transparent 50%);
}

.hero-content {
    text-align: center;
    color: var(--color-white);
    z-index: 2;
    padding: 0 1.5rem;
    max-width: 800px;
}

.hero-content .eyebrow {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    display: block;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.2s forwards;
}

.hero-content h1 {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.4s forwards;
}

.hero-content p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.9;
    margin-bottom: 2.5rem;
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.6s forwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.8s forwards;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    animation: bounce 2s infinite;
}

.hero-scroll::after {
    content: '';
    display: block;
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.3);
    margin: 0.5rem auto 0;
}

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

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

/* ========================================
   页面通用 Hero（内页用）
   ======================================== */
.page-hero {
    padding: 10rem 0 5rem;
    background: linear-gradient(135deg, #0f2540 0%, #1a3a5c 100%);
    color: var(--color-white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(201, 169, 110, 0.1) 0%, transparent 60%);
}

.page-hero .eyebrow {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1rem;
    display: block;
    position: relative;
    z-index: 2;
}

.page-hero h1 {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.page-hero p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.75);
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

/* ========================================
   优势卡片
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-soft);
    border-radius: 50%;
    font-size: 1.75rem;
    color: var(--color-primary);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--color-primary);
    color: var(--color-white);
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ========================================
   产品系列卡片
   ======================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.product-card {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.product-card-image {
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, #e8edf2 0%, #d5dde6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-card-image::after {
    content: attr(data-label);
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-primary);
    opacity: 0.3;
    letter-spacing: 0.1em;
}

.product-card-body {
    padding: 2rem;
}

.product-card-body h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.product-card-body .tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

.product-card-body p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.product-card-body .scenes {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.product-card-body .scenes strong {
    color: var(--color-text-light);
}

/* ========================================
   生产线时间线
   ======================================== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    padding: 0 3rem 3rem;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    text-align: left;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    top: 0.25rem;
    width: 14px;
    height: 14px;
    background: var(--color-accent);
    border-radius: 50%;
    border: 3px solid var(--color-bg);
    z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-dot {
    right: -7px;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -7px;
}

.timeline-item .step-num {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    display: block;
}

.timeline-item h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.timeline-item p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ========================================
   合作流程
   ======================================== */
.process-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
}

.process-step {
    text-align: center;
    position: relative;
}

.process-step-num {
    width: 56px;
    height: 56px;
    margin: 0 auto 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    transition: var(--transition);
}

.process-step:hover .process-step-num {
    background: var(--color-accent);
    transform: scale(1.1);
}

.process-step h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.process-step p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.process-step::after {
    content: '';
    position: absolute;
    top: 28px;
    right: -60%;
    width: 100%;
    height: 2px;
    background: var(--color-border);
    z-index: -1;
}

.process-step:last-child::after {
    display: none;
}

/* ========================================
   CTA 区块
   ======================================== */
.cta {
    background: linear-gradient(135deg, #0f2540 0%, #1a3a5c 100%);
    color: var(--color-white);
    text-align: center;
    padding: var(--space-xl) 0;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(201, 169, 110, 0.1) 0%, transparent 60%);
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.cta h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 2rem;
}

/* ========================================
   联系页面
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    align-items: start;
}

.contact-info-card {
    background: var(--color-bg-soft);
    border-radius: var(--radius-md);
    padding: 2.5rem;
}

.contact-info-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--color-border);
}

.contact-info-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.contact-info-item .icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 1rem;
}

.contact-info-item .label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.25rem;
}

.contact-info-item .value {
    font-size: 0.9375rem;
    color: var(--color-text);
    font-weight: 500;
}

/* 联系表单 */
.contact-form {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.contact-form h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.form-group label .required {
    color: #e74c3c;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg-soft);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--color-primary);
    background: var(--color-bg);
    box-shadow: 0 0 0 3px rgba(26, 58, 92, 0.08);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

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

.form-success {
    display: none;
    padding: 1rem 1.25rem;
    background: #e8f5e9;
    border: 1px solid #a5d6a7;
    border-radius: var(--radius-sm);
    color: #2e7d32;
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}

.form-success.show {
    display: block;
}

/* ========================================
   定制服务表格式展示
   ======================================== */
.service-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    font-size: 0.9375rem;
}

.service-table th {
    text-align: left;
    padding: 1rem 1.5rem;
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 500;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

.service-table th:first-child {
    border-radius: var(--radius-sm) 0 0 0;
}

.service-table th:last-child {
    border-radius: 0 var(--radius-sm) 0 0;
}

.service-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-light);
}

.service-table tr:last-child td {
    border-bottom: none;
}

.service-table tr:hover td {
    background: var(--color-bg-soft);
}

.service-table td strong {
    color: var(--color-primary);
    font-weight: 600;
}

/* ========================================
   品牌故事区
   ======================================== */
.brand-story {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.brand-story-image {
    height: 450px;
    background: linear-gradient(135deg, #1a3a5c 0%, #2d5a87 100%);
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-story-image::after {
    content: 'SMX';
    font-family: var(--font-display);
    font-size: 6rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.15);
    letter-spacing: 0.1em;
}

.brand-story-content .eyebrow {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1rem;
    display: block;
}

.brand-story-content h2 {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.3;
    margin-bottom: 1.5rem;
}

.brand-story-content p {
    color: var(--color-text-light);
    margin-bottom: 1.25rem;
    font-size: 1rem;
    line-height: 1.9;
}

.brand-story-content .stats {
    display: flex;
    gap: 2.5rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.brand-story-content .stat-num {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.brand-story-content .stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
}

/* ========================================
   页脚
   ======================================== */
.footer {
    background: #0a1a2e;
    color: rgba(255, 255, 255, 0.6);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 1rem;
    display: block;
}

.footer-brand .logo span {
    color: var(--color-accent);
}

.footer-brand p {
    font-size: 0.875rem;
    line-height: 1.8;
    max-width: 280px;
}

.footer-col h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 1.25rem;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul li a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.footer-col .contact-line {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 0.75rem;
    line-height: 1.7;
}

.footer-col .contact-line strong {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
    color: var(--color-accent);
}

/* ========================================
   滚动动画
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal:nth-child(2) {
    transition-delay: 0.1s;
}

.reveal:nth-child(3) {
    transition-delay: 0.2s;
}

.reveal:nth-child(4) {
    transition-delay: 0.3s;
}

/* ========================================
   响应式
   ======================================== */
@media (max-width: 968px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .brand-story {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .brand-story-image {
        height: 300px;
    }

    .process-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem 1rem;
    }

    .process-step::after {
        display: none;
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        left: 0 !important;
        text-align: left !important;
        padding-left: 3rem;
        padding-right: 0;
    }

    .timeline-item .timeline-dot {
        left: 13px !important;
        right: auto !important;
    }
}

@media (max-width: 640px) {
    :root {
        --space-xl: 4rem;
        --space-lg: 2.5rem;
    }

    .navbar-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        justify-content: center;
        gap: 1.5rem;
        padding: 2rem;
        transition: right 0.4s ease;
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
    }

    .navbar-menu.open {
        right: 0;
    }

    .navbar-menu a {
        color: var(--color-text) !important;
        font-size: 1.125rem;
    }

    .navbar-toggle {
        display: flex;
    }

    .navbar-logo {
        font-size: 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.25rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .page-hero h1 {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 1.875rem;
    }

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

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .brand-story-content .stats {
        flex-wrap: wrap;
        gap: 1.5rem;
    }

    .brand-story-content .stat-num {
        font-size: 2rem;
    }

    .cta h2 {
        font-size: 1.875rem;
    }
}