/* ============================================
   EAST Vendor Gifts - Modern Website Styles
   ============================================ */

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

:root {
    /* Brand palette (2026-09-12 spec) */
    --primary: #1A2B4A;        /* 主色: 导航/大标题/Footer/主按钮 */
    --primary-light: #2C4266;  /* 主色浅: 次级标题/hover */
    --accent: #E91E63;         /* 强调色: 仅 CTA/数据高亮/关键图标 */
    --accent-dark: #AD1457;    /* 强调色深: 粉底粉字场景文字 */
    --accent-light: #FCE4EC;   /* 强调色浅: 粉色标签底色 */
    --aux: #E8F0FE;            /* 辅助色: 图标底色/浅蓝标签 */
    --bg: #F7F8FA;             /* 背景: 区块背景 */
    --card: #FFFFFF;           /* 卡片: 内容卡片 */
    --text: #374151;           /* 正文 */
    --text-muted: #6B7280;     /* 次要文字 */
    --border: #E5E7EB;         /* 边框/分割线 */
    --success: #0E9F8A;        /* 成功/认证: QC/认证标识 */

    /* Legacy aliases remapped to new palette */
    --navy-900: #1A2B4A;
    --navy-800: #16283f;
    --navy-700: #1e3858;
    --navy-600: #2c4f7a;
    --navy-500: #3d6594;
    --blue-600: #143d6e;
    --blue-500: #2C4266;
    --blue-400: #2C4266;
    --blue-300: #6b9fd4;
    --blue-100: #E8F0FE;
    --accent-rose: #E91E63;
    --slate-50: #F7F8FA;
    --slate-100: #F1F5F9;
    --slate-200: #E5E7EB;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #6B7280;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #374151;
    --slate-900: #0f172a;
    --white: #ffffff;

    /* Gradients */
    --grad-hero: linear-gradient(135deg, #1A2B4A 0%, #2C4266 55%, #1d4e89 165%);
    --grad-pink: linear-gradient(135deg, #E91E63 0%, #AD1457 100%);
    --grad-text: linear-gradient(135deg, #E91E63 0%, #AD1457 100%);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.15);
    --shadow-pink: 0 8px 25px -5px rgba(233, 30, 99, 0.35);
    --shadow-blue: 0 8px 25px -5px rgba(29, 78, 137, 0.3);

    /* Spacing */
    --section-pad: 100px 0;
    --container-max: 1200px;

    /* Transitions */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --transition: 0.3s var(--ease);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--slate-800);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: var(--section-pad);
    position: relative;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    background: var(--aux);
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(28px, 4vw, 44px);
    color: var(--navy-900);
    margin-bottom: 20px;
    line-height: 1.15;
}

.section-subtitle {
    font-size: 17px;
    color: var(--slate-500);
    max-width: 600px;
    margin: 0 auto;
}

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

.text-accent {
    color: var(--primary);
}

.gradient-text {
    color: #D1D5DB;
    -webkit-text-fill-color: #D1D5DB;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    font-family: inherit;
}

.btn-primary {
    background: var(--grad-pink);
    color: var(--white);
    box-shadow: var(--shadow-pink);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px -5px rgba(235, 40, 111, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.06);
    color: var(--white);
    border: 2px solid var(--white);
    backdrop-filter: blur(10px);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: var(--white);
    transform: translateY(-2px);
}

.btn-primary-outline {
    background: transparent;
    color: var(--accent-rose);
    border: 2px solid var(--accent-rose);
}

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

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-light {
    background: var(--white);
    color: var(--navy-900);
    box-shadow: var(--shadow-md);
}

.btn-light:hover {
    background: var(--slate-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all var(--transition);
    padding: 20px 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    padding: 12px 0;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    transition: all var(--transition);
    /* 使用与原 logo 近似的 Playfair Display 衬线字体，以纯文字形式呈现品牌标识，移除 China 字样 */
}

.logo-text {
    font-family: 'Playfair Display', 'Times New Roman', Georgia, serif;
    font-size: 28px;
    font-weight: 700;
    /* 非白色背景（深色 Hero / Footer）时 logo 为白色 */
    color: #ffffff;
    line-height: 1;
    letter-spacing: 0.01em;
    transition: all var(--transition);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.navbar.scrolled .logo-text {
    /* 滚动到白色背景后 logo 转品牌粉 */
    color: var(--accent);
    text-shadow: none;
}

.nav-logo:hover .logo-text {
    opacity: 0.9;
}

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

.nav-link {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.85);
    font-size: 15px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
    color: var(--white);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.navbar.scrolled .nav-link {
    color: var(--slate-600);
}

.navbar.scrolled .nav-link:hover {
    color: var(--navy-900);
    background: var(--slate-100);
}

.navbar.scrolled .nav-link.active {
    color: var(--navy-900);
}

.nav-cta {
    background: var(--grad-pink);
    color: var(--white);
    padding: 10px 22px;
    border-radius: 10px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    transition: all var(--transition);
    box-shadow: var(--shadow-pink);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(235, 40, 111, 0.5);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: all var(--transition);
}

.navbar.scrolled .nav-toggle span {
    background: var(--navy-900);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
    --grad-text: linear-gradient(135deg, #ffd3e3 0%, #ff5c96 55%, #ff3d84 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(135deg, rgba(26, 43, 74, 0.90) 0%, rgba(26, 43, 74, 0.72) 55%, rgba(20, 33, 56, 0.85) 100%),
        url('../images/hero-shanghai.png') center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(26, 43, 74, 0.28) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(43, 66, 102, 0.22) 0%, transparent 55%),
        radial-gradient(ellipse at 60% 80%, rgba(26, 43, 74, 0.20) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    animation: float linear infinite;
}

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

.hero-content {
    position: relative;
    z-index: 2;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 28px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--blue-300);
    border-radius: 50%;
    position: relative;
}

.pulse-dot::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    width: 16px;
    height: 16px;
    background: var(--blue-300);
    border-radius: 50%;
    opacity: 0.4;
    animation: pulse 2s ease-out infinite;
}

@keyframes pulse {
    0% { transform: scale(0.8); opacity: 0.4; }
    100% { transform: scale(2); opacity: 0; }
}

.hero-title {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 24px;
    max-width: 720px;
}

.hero-desc {
    font-size: clamp(16px, 2vw, 19px);
    color: rgba(255, 255, 255, 0.7);
    max-width: 580px;
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 32px;
}

.trust-item {
    display: flex;
    flex-direction: column;
}

.trust-num {
    font-size: 36px;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.trust-num::after {
    content: '+';
    color: var(--accent-rose);
}

.trust-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 6px;
    font-weight: 500;
}

.trust-divider {
    width: 1px;
    height: 50px;
    background: rgba(255, 255, 255, 0.15);
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    z-index: 2;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: var(--primary-light);
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { top: -50%; }
    100% { top: 100%; }
}

/* About Section */
.about {
    background: var(--slate-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.about-visual {
    position: relative;
}

.about-img-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    z-index: 2;
}

.about-img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    display: block;
}

.about-img-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 14px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: var(--shadow-lg);
}

.badge-icon {
    width: 48px;
    height: 48px;
    background: var(--aux);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.badge-icon svg {
    width: 24px;
    height: 24px;
}

.badge-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--navy-900);
}

.badge-sub {
    font-size: 13px;
    color: var(--slate-500);
}

.about-decor-circle {
    position: absolute;
    top: -30px;
    right: -30px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(26, 43, 74, 0.10) 0%, transparent 70%);
    z-index: 1;
}

.about-text {
    font-size: 16px;
    color: var(--slate-600);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin: 28px 0 32px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: var(--slate-700);
    font-weight: 500;
}

.feature-check {
    width: 24px;
    height: 24px;
    background: rgba(29, 78, 137, 0.1);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue-500);
    flex-shrink: 0;
}

/* Products */
.products {
    background: var(--white);
}

.product-group + .product-group {
    margin-top: 56px;
    padding-top: 56px;
    border-top: 1px solid var(--slate-200);
}

.product-group-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.product-group-icon {
    flex: 0 0 58px;
    width: 58px;
    height: 58px;
    border-radius: 16px;
    background: var(--grad-pink);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(235, 40, 111, 0.25);
}

.product-group-text {
    min-width: 0;
}

.product-group-title {
    font-size: 23px;
    font-weight: 800;
    color: var(--navy-900);
    margin-bottom: 5px;
}

.product-group-desc {
    font-size: 14.5px;
    color: var(--slate-500);
    line-height: 1.6;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.product-card {
    background: var(--white);
    border: 1px solid var(--slate-200);
    border-radius: 20px;
    padding: 36px 32px;
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-out);
}

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

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

.product-icon-wrap {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, rgba(29, 78, 137, 0.08), rgba(29, 78, 137, 0.03));
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue-500);
    margin-bottom: 24px;
    transition: all var(--transition);
}

.product-card:hover .product-icon-wrap {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.05);
}

.product-title {
    font-size: 22px;
    color: var(--navy-900);
    margin-bottom: 12px;
}

.product-desc {
    font-size: 15px;
    color: var(--slate-500);
    line-height: 1.7;
    margin-bottom: 20px;
}

.product-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.product-list li {
    font-size: 14px;
    color: var(--slate-600);
    padding-left: 22px;
    position: relative;
}

.product-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--blue-400);
}

/* Services */
.services {
    background: var(--slate-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid var(--slate-200);
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
    border-color: rgba(29, 78, 137, 0.4);
}

.service-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--slate-100);
    line-height: 1;
    margin-bottom: 16px;
    transition: color var(--transition);
}

.service-card:hover .service-number {
    color: var(--blue-500);
}

.service-title {
    font-size: 24px;
    color: var(--navy-900);
    margin-bottom: 12px;
}

.service-desc {
    font-size: 15px;
    color: var(--slate-500);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-arrow {
    color: var(--blue-500);
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition);
}

.service-card:hover .service-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* Service Wide Card (Sourcing) */
.service-card-wide {
    grid-column: span 2;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0 36px;
    align-items: start;
    background: linear-gradient(135deg, rgba(26, 43, 74, 0.05), rgba(43, 66, 102, 0.05));
}

.service-wide-icon {
    grid-row: span 3;
    width: 88px;
    height: 88px;
    border-radius: 24px;
    background: var(--accent-rose);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 24px rgba(235, 40, 111, 0.3);
}

.service-wide-body {
    min-width: 0;
}

/* Why Us */
.why-us {
    background: var(--white);
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 60px;
    align-items: center;
}

.why-intro {
    font-size: 16px;
    color: var(--slate-500);
    margin: 20px 0 32px;
    line-height: 1.8;
}

.why-stats {
    display: flex;
    gap: 32px;
}

.why-stat {
    flex: 1;
}

.why-stat-num {
    font-size: 40px;
    font-weight: 800;
    color: var(--navy-900);
    line-height: 1;
}

.why-stat-num::after {
    content: '+';
    color: var(--accent-rose);
}

.why-stat-num.no-plus::after {
    content: '';
}

.why-stat-label {
    font-size: 13px;
    color: var(--slate-500);
    margin-top: 8px;
    line-height: 1.4;
}

.why-right {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.why-card {
    background: var(--slate-50);
    border-radius: 16px;
    padding: 28px;
    transition: all var(--transition);
    border: 1px solid transparent;
}

.why-card:hover {
    background: var(--white);
    border-color: rgba(29, 78, 137, 0.25);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

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

.why-card-icon {
    width: 52px;
    height: 52px;
    background: var(--white);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue-500);
    margin-bottom: 18px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--slate-200);
}

.why-card-title {
    font-size: 17px;
    color: var(--navy-900);
    margin-bottom: 8px;
}

.why-card-desc {
    font-size: 14px;
    color: var(--slate-500);
    line-height: 1.6;
}

/* Markets */
.markets {
    background: var(--slate-50);
    position: relative;
}

.markets::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../images/trade-port.png') center/cover no-repeat;
    opacity: 0.06;
    pointer-events: none;
}

.markets .container {
    position: relative;
    z-index: 1;
}

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

.market-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px 28px;
    text-align: center;
    transition: all var(--transition);
    border: 1px solid var(--slate-200);
    position: relative;
    overflow: hidden;
}

.market-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform 0.4s var(--ease-out);
}

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

.market-card:hover::after {
    transform: scaleX(1);
}

.market-flag {
    width: 64px;
    height: 64px;
    background: var(--primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 18px;
    font-weight: 800;
    margin: 0 auto 20px;
    letter-spacing: -0.02em;
}

.market-card h3 {
    font-size: 20px;
    color: var(--navy-900);
    margin-bottom: 6px;
}

.market-card p {
    font-size: 14px;
    color: var(--slate-500);
}

/* Export Band */
.export-band {
    position: relative;
    overflow: hidden;
    background: var(--navy-900);
    color: var(--white);
    min-height: 520px;
    display: flex;
    align-items: center;
}

.export-band-bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(8, 15, 30, 0.88) 0%, rgba(8, 15, 30, 0.72) 50%, rgba(8, 15, 30, 0.55) 100%),
        url('../images/shipping-port.png') center/cover no-repeat fixed;
    z-index: 0;
}

.export-band .container {
    position: relative;
    z-index: 1;
}

.export-band .section-tag {
    color: var(--white);
    background: rgba(255, 255, 255, 0.12);
}

.export-band .section-title {
    color: var(--white);
    margin-bottom: 24px;
}

.export-band .text-accent {
    /* 深色背景下用浅蓝强调，避免 navy 文字与深色背景同色不可见 */
    color: var(--aux);
}

.export-band-desc {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 640px;
}

.export-band-stats {
    display: flex;
    gap: 48px;
    margin-bottom: 36px;
    flex-wrap: wrap;
}

.export-stat-num {
    font-size: 28px;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.export-stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
    margin-top: 6px;
    font-weight: 500;
}

/* Contact */
.contact {
    background: var(--navy-900);
    color: var(--white);
}

.contact .section-tag {
    color: var(--white);
    background: rgba(255, 255, 255, 0.12);
}

.contact .section-title {
    color: var(--white);
}

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

.contact-intro {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    margin: 20px 0 36px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue-300);
    flex-shrink: 0;
}

.contact-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.contact-value {
    font-size: 16px;
    color: var(--white);
    text-decoration: none;
    transition: color var(--transition);
    line-height: 1.5;
}

a.contact-value:hover {
    color: var(--blue-300);
}

/* Contact Form */
.contact-form-wrap {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 40px;
    backdrop-filter: blur(20px);
}

.form-title {
    font-size: 24px;
    color: var(--white);
    margin-bottom: 28px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    color: var(--white);
    font-size: 15px;
    font-family: inherit;
    transition: all var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--blue-400);
    box-shadow: 0 0 0 3px rgba(44, 107, 176, 0.25);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%231d4e89' stroke-width='2'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-group select option {
    background: var(--navy-800);
    color: var(--white);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-note {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    text-align: center;
    margin-top: 14px;
}

/* Footer */
.footer {
    background: var(--navy-900);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 70px 0 30px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-brand .nav-logo {
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 320px;
}

.footer-certs {
    display: flex;
    gap: 8px;
}

.footer-cert {
    font-size: 12px;
    font-weight: 700;
    color: var(--success);
    background: rgba(14, 159, 138, 0.1);
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid rgba(14, 159, 138, 0.25);
}

.footer-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 18px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--blue-300);
}

.footer-address {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

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

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    font-size: 13px;
    transition: color var(--transition);
}

.footer-bottom-links a:hover {
    color: var(--blue-300);
}

/* Back to top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--grad-pink);
    color: var(--white);
    border: none;
    border-radius: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition);
    box-shadow: var(--shadow-pink);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px -5px rgba(235, 40, 111, 0.5);
}

/* Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
    transition-delay: var(--delay, 0s);
}

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

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--navy-900);
    color: var(--white);
    padding: 16px 28px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 500;
    box-shadow: var(--shadow-2xl);
    z-index: 9999;
    opacity: 0;
    transition: all 0.4s var(--ease-out);
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--success);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast svg {
    color: #4ade80;
    flex-shrink: 0;
}

.toast-error {
    border-color: #f87171;
}

.toast-error svg {
    color: #f87171;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .why-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .service-card-wide {
        grid-column: span 2;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-pad: 70px 0;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background: var(--navy-900);
        flex-direction: column;
        justify-content: center;
        gap: 8px;
        padding: 40px;
        transition: right 0.4s var(--ease-out);
        z-index: 1001;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu .nav-link {
        font-size: 18px;
        color: rgba(255, 255, 255, 0.85);
        width: 100%;
        padding: 14px 20px;
    }

    .nav-cta {
        display: none;
    }

    .nav-toggle {
        display: flex;
        z-index: 1002;
    }

    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .hero-trust {
        flex-wrap: wrap;
        gap: 20px;
    }

    .trust-divider {
        display: none;
    }

    .trust-num {
        font-size: 28px;
    }

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

    .product-group + .product-group {
        margin-top: 44px;
        padding-top: 44px;
    }

    .product-group-header {
        gap: 16px;
        margin-bottom: 24px;
    }

    .product-group-icon {
        flex: 0 0 50px;
        width: 50px;
        height: 50px;
        border-radius: 14px;
    }

    .product-group-title {
        font-size: 20px;
    }

    .product-group-desc {
        font-size: 13.5px;
    }

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

    .service-card-wide {
        grid-column: auto;
        display: block;
    }

    .service-card-wide .service-wide-icon {
        margin-bottom: 24px;
    }

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

    .why-right {
        grid-template-columns: 1fr;
    }

    .why-stats {
        flex-wrap: wrap;
        gap: 20px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .export-band {
        min-height: auto;
    }

    .export-band-bg {
        background-attachment: scroll;
    }

    .export-band-stats {
        gap: 24px;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .hero-scroll {
        display: none;
    }
}

@media (max-width: 480px) {
    .markets-grid {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .contact-form-wrap {
        padding: 28px 20px;
    }

    .logo-text {
        font-size: 22px;
    }
}

/* ---------- Services: 三阶段 (Pre-Sales / On Sale / After-Sales) ---------- */
.services-phases {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-phase {
    background: var(--white);
    border: 1px solid var(--slate-200);
    border-radius: 20px;
    padding: 40px 34px;
    transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), border-color 0.4s var(--ease-out);
}

.service-phase:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(29, 78, 137, 0.4);
}

.phase-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin-bottom: 22px;
    border-radius: 16px;
    background: var(--blue-100);
    color: var(--blue-600);
    transition: background 0.4s var(--ease-out), color 0.4s var(--ease-out);
}

.service-phase:hover .phase-icon {
    background: var(--accent-rose);
    color: var(--white);
}

.phase-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 18px;
    letter-spacing: -0.01em;
}

.phase-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.phase-list li {
    position: relative;
    padding-left: 28px;
    font-size: 0.96rem;
    line-height: 1.6;
    color: var(--slate-600);
}

.phase-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--blue-100);
    border: 1px solid var(--blue-300);
}

.phase-list li::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 10px;
    width: 6px;
    height: 3px;
    border-left: 1.5px solid var(--blue-600);
    border-bottom: 1.5px solid var(--blue-600);
    transform: rotate(-45deg);
}

/* ---------- About: 终版结构化内容 ---------- */
.about-subtitle {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--navy-900);
    margin: 28px 0 10px;
    letter-spacing: -0.01em;
}

.about-division:first-of-type .about-subtitle {
    margin-top: 6px;
}

.about-division--highlight {
    border-left: 3px solid var(--primary);
    padding-left: 18px;
    margin-top: 28px;
}

.about-commitment-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.about-tenet {
    color: var(--primary);
    font-weight: 700;
}

/* ---------- Contact: 精简询盘表单 ---------- */
.form-sub {
    font-size: 1rem;
    color: var(--slate-500);
    margin: -4px 0 24px;
    line-height: 1.6;
}

.req {
    color: var(--accent-rose);
    font-weight: 700;
}

/* ---------- Service: 阶段段落（客户利益收尾） ---------- */
.phase-desc {
    font-size: 0.98rem;
    line-height: 1.7;
    color: var(--slate-600);
    margin: 0;
}

/* ---------- Contact: What happens next / 兜底行 ---------- */
.form-next {
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px solid var(--slate-200);
}

.form-next-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 8px;
}

.form-next-list {
    list-style: decimal;
    margin: 0;
    padding-left: 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-next-list li {
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--slate-600);
}

.form-fallback {
    margin-top: 16px;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--slate-500);
}

.form-fallback a {
    color: var(--blue-600);
    font-weight: 600;
    text-decoration: none;
}

.form-fallback a:hover {
    text-decoration: underline;
}

/* ---------- 响应式：Services 三阶段 ---------- */
@media (max-width: 900px) {
    .services-phases {
        grid-template-columns: 1fr;
    }
}
