/* ============================================================
   上海正展机械设备有限公司 - 网站样式表
   配色方案：清新绿 + 沉稳灰（素雅明亮）
   标题：纯色，无 3D 立体效果
   ============================================================ */

/* ---------- 全局变量 ---------- */
:root {
    /* 绿色系（主色）*/
    --color-green-bright: #00C896;   /* 亮绿：数字、强调 */
    --color-green: #00A878;          /* 主绿 */
    --color-green-mid: #00897B;      /* 中绿 */
    --color-green-dark: #00695C;     /* 深绿：按钮、导航点缀 */
    --color-green-deep: #004D40;     /* 更深绿 */
    --color-green-soft: #E0F5EE;     /* 浅绿底 */

    /* 灰色系（背景 / 文字，整体明亮）*/
    --color-dark: #2D3748;           /* 深灰：导航、页脚 */
    --color-primary: #2D3748;        /* 标题深灰 */
    --color-text: #4A5568;           /* 正文灰 */
    --color-muted: #A0AEC0;          /* 次要灰 */
    --color-bg: #F7FAFC;             /* 页面浅灰底（明亮）*/
    --color-bg-alt: #EDF2F7;         /* 次级灰底 */
    --color-border: #E2E8F0;         /* 边框灰 */
    --color-white: #FFFFFF;

    /* 字体 */
    --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans CN", -apple-system, sans-serif;

    /* 阴影 */
    --shadow-sm: 0 2px 12px rgba(45, 55, 72, 0.06);
    --shadow-md: 0 8px 28px rgba(45, 55, 72, 0.10);
    --shadow-lg: 0 16px 48px rgba(45, 55, 72, 0.14);

    /* 过渡 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- 重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

code {
    background: var(--color-green-soft);
    color: var(--color-green-dark);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.85em;
}

/* ---------- 通用容器 ---------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 工具类：原 text-orange 统一改用主题绿 */
.text-orange { color: var(--color-green) !important; }

/* ---------- 通用区块 ---------- */
.section { padding: 100px 0; }

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-eyebrow {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--color-green);
    margin-bottom: 12px;
}

/* 区块标题：纯色，无渐变、无 3D */
.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
    line-height: 1.3;
    letter-spacing: 1px;
}

.section-desc {
    font-size: 17px;
    color: var(--color-text);
}

/* ---------- 按钮 ---------- */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-green), var(--color-green-dark));
    color: var(--color-white);
    box-shadow: 0 4px 16px rgba(0, 137, 123, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0, 137, 123, 0.5);
}

.btn-outline {
    background-color: rgba(255, 255, 255, 0.12);
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(4px);
}

.btn-outline:hover {
    background-color: var(--color-white);
    color: var(--color-green-dark);
    border-color: var(--color-white);
}

.btn-lg {
    padding: 16px 40px;
    font-size: 17px;
}

/* ============================================================
   顶部导航栏
   ============================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--color-dark);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.12);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

/* Logo —— 绿色渐变方块 */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-mark {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--color-green), var(--color-green-mid));
    color: var(--color-white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(0, 168, 120, 0.4);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-cn {
    font-size: 19px;
    font-weight: 700;
    color: var(--color-white);
}

.logo-en {
    font-size: 10px;
    letter-spacing: 1px;
    color: var(--color-green-bright);
}

/* 导航链接 */
.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-size: 15px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    position: relative;
}

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

.nav-link.active::after {
    content: "";
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 2px;
    background: var(--color-green-bright);
    border-radius: 2px;
}

.nav-cta {
    margin-left: 12px;
    padding: 10px 24px !important;
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    width: 26px;
    height: 3px;
    background-color: var(--color-white);
    border-radius: 2px;
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ============================================================
   首页大横幅 Hero（绿色明亮渐变）
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background:
        linear-gradient(135deg, #00897B 0%, #00A878 55%, #4A6B5C 100%);
    overflow: hidden;
}

/* 工业风装饰背景：网格 */
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* 光晕装饰 */
.hero::after {
    content: "";
    position: absolute;
    top: 10%;
    right: -10%;
    width: 650px;
    height: 650px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.18), transparent 65%);
    border-radius: 50%;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(0, 77, 64, 0.35) 0%, rgba(0, 77, 64, 0.05) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    padding-top: 70px;
    max-width: 820px;
}

.hero-tag {
    display: inline-block;
    color: var(--color-white);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    padding: 8px 18px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(6px);
    margin-bottom: 24px;
}

/* ⭐ 主标题：纯白色，两行颜色完全一致，无 3D / 无渐变 */
.hero-title {
    font-size: 62px;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.2;
    margin-bottom: 26px;
    letter-spacing: 2px;
}

.hero-title .text-orange {
    color: #ffffff;
}

.hero-subtitle {
    font-size: 19px;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 40px;
    line-height: 1.8;
}

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

/* Hero 区主按钮改用白色底，在绿色背景上更清爽醒目 */
.hero-actions .btn-primary {
    background: var(--color-white);
    color: var(--color-green-dark);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.18);
}

.hero-actions .btn-primary:hover {
    background: #F0F9F6;
    color: var(--color-green-deep);
}

/* 滚动提示 */
.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
}

.hero-scroll span {
    display: block;
    width: 22px;
    height: 36px;
    border: 2px solid rgba(255, 255, 255, 0.7);
    border-radius: 12px;
    margin: 0 auto 8px;
    position: relative;
}

.hero-scroll span::after {
    content: "";
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background-color: var(--color-white);
    border-radius: 2px;
    animation: scrollDown 1.8s infinite;
}

.hero-scroll p {
    font-size: 12px;
    letter-spacing: 1px;
}

@keyframes scrollDown {
    0% { opacity: 0; transform: translate(-50%, 0); }
    50% { opacity: 1; }
    100% { opacity: 0; transform: translate(-50%, 12px); }
}

/* ============================================================
   数据墙（深绿背景）
   ============================================================ */
.stats {
    background: linear-gradient(135deg, var(--color-green-dark), var(--color-green-deep));
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.stats::after {
    content: "";
    position: absolute;
    bottom: -40%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 200, 150, 0.2), transparent 70%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.stat-item:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -15px;
    top: 15%;
    height: 70%;
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.stat-number {
    font-size: 52px;
    font-weight: 800;
    color: var(--color-green-bright);
    line-height: 1;
    display: inline-block;
}

.stat-suffix {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-green-bright);
    margin-top: -8px;
}

.stat-label {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
    margin-top: 8px;
}

/* ============================================================
   核心优势
   ============================================================ */
.advantages {
    background-color: var(--color-white);
}

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

.advantage-card {
    background: var(--color-bg);
    border-radius: 14px;
    padding: 40px 28px;
    text-align: center;
    border: 1px solid var(--color-border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--color-green);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

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

.advantage-icon {
    width: 74px;
    height: 74px;
    margin: 0 auto 24px;
    background: var(--color-green-soft);
    color: var(--color-green-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: 0 6px 16px rgba(0, 168, 120, 0.15);
}

.advantage-icon svg {
    width: 34px;
    height: 34px;
}

.advantage-card:hover .advantage-icon {
    background: linear-gradient(135deg, var(--color-green), var(--color-green-mid));
    color: var(--color-white);
    transform: rotateY(360deg);
}

.advantage-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.advantage-card p {
    font-size: 14px;
    color: var(--color-text);
}

/* ============================================================
   主营业务
   ============================================================ */
.services {
    background-color: var(--color-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    background-color: var(--color-white);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.service-card-wide {
    grid-column: span 3;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    align-items: center;
}

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

/* 服务占位图（绿色渐变占位）*/
.service-img {
    height: 200px;
    background: linear-gradient(135deg, var(--color-green-mid), var(--color-green));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.service-img::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
    background-size: 30px 30px;
}

.service-img::after {
    content: "";
    position: absolute;
    bottom: -50%;
    right: -30%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2), transparent 70%);
}

.service-card-wide .service-img {
    height: 100%;
    min-height: 260px;
}

.service-placeholder-text {
    position: relative;
    z-index: 2;
    color: rgba(255, 255, 255, 0.95);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 2px;
    text-align: center;
    padding: 12px 20px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(4px);
}

.service-body {
    padding: 28px;
}

.service-card-wide .service-body {
    padding: 40px;
}

.service-body h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.service-en {
    font-size: 12px;
    color: var(--color-green);
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.service-body p:not(.service-en) {
    font-size: 14px;
    color: var(--color-text);
    margin-bottom: 16px;
}

.service-link {
    color: var(--color-green-dark);
    font-size: 14px;
    font-weight: 600;
}

.service-card:hover .service-link {
    letter-spacing: 1px;
}

/* ============================================================
   工厂实力展示
   ============================================================ */
.factory {
    background-color: var(--color-white);
}

.factory-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: 280px 280px;
    gap: 16px;
}

.factory-item {
    border-radius: 14px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.factory-item-lg {
    grid-column: span 2;
    grid-row: span 2;
}

.factory-img {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-green-mid), var(--color-green-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.factory-img::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
    background-size: 40px 40px;
}

.factory-item:hover .factory-img {
    transform: scale(1.06);
}

.factory-placeholder-text {
    position: relative;
    z-index: 2;
    color: rgba(255, 255, 255, 0.95);
    font-size: 17px;
    font-weight: 600;
    text-align: center;
    padding: 14px 24px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(4px);
}

.factory-placeholder-text small {
    display: block;
    font-size: 12px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
}

.factory-note {
    margin-top: 32px;
    padding: 20px 28px;
    background: var(--color-green-soft);
    border-left: 4px solid var(--color-green);
    border-radius: 6px;
}

.factory-note p {
    font-size: 14px;
    color: var(--color-primary);
}

/* ============================================================
   合作流程
   ============================================================ */
.process {
    background-color: var(--color-bg);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    position: relative;
}

.process-step {
    text-align: center;
    padding: 32px 16px;
    background-color: var(--color-white);
    border-radius: 14px;
    position: relative;
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.process-step:hover {
    transform: translateY(-6px);
    border-color: var(--color-green);
    box-shadow: var(--shadow-md);
}

/* 流程序号：纯色绿，无渐变 */
.process-num {
    font-size: 40px;
    font-weight: 800;
    color: var(--color-green);
    line-height: 1;
    margin-bottom: 12px;
    opacity: 0.9;
}

.process-step h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.process-step p {
    font-size: 13px;
    color: var(--color-text);
}

/* ============================================================
   询价行动召唤区 CTA
   ============================================================ */
.cta-band {
    background: linear-gradient(135deg, var(--color-green-mid), var(--color-green));
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-band::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}

.cta-band::after {
    content: "";
    position: absolute;
    top: -40%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2), transparent 70%);
}

.cta-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.cta-text h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 8px;
}

.cta-text p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
}

/* ============================================================
   底部页脚
   ============================================================ */
.footer {
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.7);
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1.4fr;
    gap: 40px;
    padding-top: 70px;
    padding-bottom: 50px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    max-width: 320px;
}

.footer-col h4 {
    color: var(--color-white);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--color-green-bright);
}

.footer-col ul li {
    margin-bottom: 12px;
    font-size: 14px;
}

.footer-col ul li a:hover {
    color: var(--color-green-bright);
}

.footer-contact li {
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact li strong {
    color: var(--color-white);
    margin-right: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================================
   动画（滚动渐入）
   ============================================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.3s; }
.fade-in:nth-child(3) { animation-delay: 0.5s; }
.fade-in:nth-child(4) { animation-delay: 0.7s; }

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

/* 滚动显现（JS 控制）*/
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ============================================================
   响应式：平板（≤ 992px）
   ============================================================ */
@media (max-width: 992px) {
    .section { padding: 70px 0; }

    .hero-title { font-size: 46px; }
    .hero-subtitle { font-size: 17px; }

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

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

    .service-card-wide {
        grid-column: span 2;
        grid-template-columns: 1fr 1fr;
    }

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

    .factory-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, 240px);
    }

    .factory-item-lg {
        grid-column: span 2;
        grid-row: span 1;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px 20px;
    }

    .stat-item::after { display: none; }
}

/* ============================================================
   响应式：手机（≤ 768px）
   ============================================================ */
@media (max-width: 768px) {
    .menu-toggle { display: flex; }

    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--color-dark);
        flex-direction: column;
        align-items: stretch;
        padding: 20px;
        gap: 4px;
        transform: translateY(-150%);
        transition: transform 0.4s ease;
        box-shadow: var(--shadow-lg);
    }

    .nav.active { transform: translateY(0); }

    .nav-link {
        padding: 14px 16px;
        border-radius: 6px;
    }

    .nav-link.active::after { display: none; }

    .nav-link:hover,
    .nav-link.active {
        background-color: rgba(255, 255, 255, 0.08);
    }

    .nav-cta {
        margin: 12px 0 0;
        text-align: center;
    }

    .section { padding: 60px 0; }
    .section-title { font-size: 28px; }

    .hero-title { font-size: 36px; letter-spacing: 1px; }
    .hero-subtitle { font-size: 15px; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }

    .advantages-grid,
    .services-grid,
    .process-grid,
    .stats-grid { grid-template-columns: 1fr; }

    .service-card-wide {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }

    .service-card-wide .service-img { min-height: 200px; }

    .factory-grid {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(5, 220px);
    }

    .factory-item-lg { grid-column: span 1; }

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

    .cta-inner {
        flex-direction: column;
        text-align: center;
    }

    .cta-text h2 { font-size: 24px; }
}

/* ============================================================
   产品服务页专属样式（products.html）
   ============================================================ */

/* ---------- 子页面横幅 ---------- */
.page-hero {
    position: relative;
    min-height: 46vh;
    display: flex;
    align-items: center;
    background:
        linear-gradient(135deg, #00897B 0%, #00A878 55%, #4A6B5C 100%);
    overflow: hidden;
    padding-top: 70px;
}

.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
    background-size: 50px 50px;
}

.page-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(0, 77, 64, 0.3) 0%, rgba(0, 77, 64, 0) 100%);
}

.page-hero-content {
    position: relative;
    z-index: 2;
    max-width: 820px;
}

.page-hero-tag {
    display: inline-block;
    color: rgba(255, 255, 255, 0.95);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    padding: 8px 18px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(6px);
    margin-bottom: 22px;
}

.page-hero-title {
    font-size: 50px;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.page-hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
}

/* ---------- 业务锚点导航条 ---------- */
.service-nav {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 70px;
    z-index: 90;
    box-shadow: 0 2px 8px rgba(45, 55, 72, 0.04);
}

.service-nav-inner {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    padding: 16px 24px;
}

.service-nav-link {
    padding: 8px 20px;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    border-radius: 30px;
    transition: var(--transition);
}

.service-nav-link:hover {
    color: var(--color-green-dark);
    background: var(--color-green-soft);
}

.service-nav-link.active {
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-green), var(--color-green-mid));
    box-shadow: 0 3px 10px rgba(0, 137, 123, 0.3);
}

/* ---------- 业务详情区块 ---------- */
.service-detail {
    padding: 90px 0;
    background-color: var(--color-white);
}

.service-detail-alt {
    background-color: var(--color-bg);
}

.service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

/* 反向布局（图在右、文在左的镜像）*/
.service-detail-grid-reverse .service-detail-image {
    order: 2;
}

.service-detail-grid-reverse .service-detail-body {
    order: 1;
}

/* 详情占位图 */
.service-detail-image {
    border-radius: 16px;
    overflow: hidden;
}

.detail-img {
    width: 100%;
    min-height: 380px;
    background: linear-gradient(135deg, var(--color-green-mid), var(--color-green-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.detail-img::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
    background-size: 40px 40px;
}

.detail-img::after {
    content: "";
    position: absolute;
    bottom: -40%;
    right: -30%;
    width: 70%;
    height: 70%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.18), transparent 70%);
}

.service-detail-image:hover .detail-img {
    transform: scale(1.02);
}

.detail-placeholder-text {
    position: relative;
    z-index: 2;
    color: rgba(255, 255, 255, 0.95);
    font-size: 18px;
    font-weight: 600;
    text-align: center;
    padding: 16px 28px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(4px);
    letter-spacing: 1px;
}

.detail-placeholder-text small {
    display: block;
    font-size: 12px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 6px;
    letter-spacing: 0;
}

/* 详情文字区 */
.service-detail-body {
    position: relative;
}

.service-detail-num {
    display: inline-block;
    font-size: 64px;
    font-weight: 800;
    color: var(--color-green);
    opacity: 0.2;
    line-height: 1;
    margin-bottom: -20px;
}

.service-detail-body h2 {
    font-size: 34px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 6px;
    position: relative;
    z-index: 2;
}

.service-detail-en {
    font-size: 14px;
    color: var(--color-green);
    letter-spacing: 1.5px;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.service-detail-intro {
    font-size: 16px;
    color: var(--color-text);
    line-height: 1.9;
    margin-bottom: 24px;
}

/* 业务特点列表 */
.service-features {
    margin-bottom: 32px;
}

.service-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
    color: var(--color-text);
    margin-bottom: 12px;
    line-height: 1.6;
}

.feature-dot {
    flex-shrink: 0;
    width: 8px;
    height: 8px;
    margin-top: 9px;
    border-radius: 50%;
    background: var(--color-green);
    box-shadow: 0 0 0 4px rgba(0, 168, 120, 0.15);
}

/* ---------- 产品服务页响应式 ---------- */
@media (max-width: 992px) {
    .service-detail { padding: 70px 0; }
    .service-detail-grid { gap: 36px; }
    .page-hero-title { font-size: 40px; }
    .detail-img { min-height: 320px; }
}

@media (max-width: 768px) {
    .service-detail { padding: 56px 0; }

    .service-detail-grid,
    .service-detail-grid-reverse {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .service-detail-grid-reverse .service-detail-image { order: 1; }
    .service-detail-grid-reverse .service-detail-body { order: 2; }

    .page-hero-title { font-size: 32px; }
    .page-hero-subtitle { font-size: 15px; }

    .service-detail-num { font-size: 52px; }
    .service-detail-body h2 { font-size: 28px; }
    .service-detail-intro { font-size: 15px; }

    .detail-img { min-height: 260px; }

    .service-nav-inner { gap: 6px; }
    .service-nav-link { padding: 6px 14px; font-size: 14px; }

    .service-nav { top: 70px; }
}

/* ============================================================
   加工能力页专属样式（capabilities.html）
   ============================================================ */

/* ---------- 能力数据概览 ---------- */
.cap-stats {
    background: var(--color-white);
    padding: 60px 0;
    border-bottom: 1px solid var(--color-border);
}

.cap-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.cap-stat {
    position: relative;
}

.cap-stat:not(:last-child)::after {
    content: "";
    position: absolute;
    right: 0;
    top: 15%;
    height: 70%;
    width: 1px;
    background: var(--color-border);
}

.cap-stat-num {
    font-size: 50px;
    font-weight: 800;
    color: var(--color-green);
    line-height: 1;
    margin-bottom: 8px;
}

.cap-stat-label {
    font-size: 15px;
    color: var(--color-text);
    font-weight: 500;
}

/* ---------- 设备清单表格 ---------- */
.equipment-table-wrap {
    overflow-x: auto;
    border-radius: 14px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    -webkit-overflow-scrolling: touch;
}

.equipment-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-white);
    min-width: 600px;
}

.equipment-table thead {
    background: linear-gradient(135deg, var(--color-green-mid), var(--color-green-dark));
}

.equipment-table th {
    padding: 18px 20px;
    text-align: left;
    color: var(--color-white);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 1px;
}

.equipment-table tbody tr {
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.equipment-table tbody tr:last-child {
    border-bottom: none;
}

.equipment-table tbody tr:nth-child(even) {
    background: var(--color-bg);
}

.equipment-table tbody tr:hover {
    background: var(--color-green-soft);
}

.equipment-table td {
    padding: 16px 20px;
    color: var(--color-text);
    font-size: 15px;
}

.equipment-table td:first-child strong {
    color: var(--color-primary);
}

.equipment-note {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: var(--color-muted);
}

/* ---------- 可加工材料（标签式）---------- */
.section-materials {
    background-color: var(--color-bg);
}

.material-tags-section {
    margin-bottom: 40px;
}

.material-tags-heading {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 20px;
    white-space: nowrap;
}

.material-tags-line {
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

.material-tags-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.material-tag {
    display: inline-block;
    padding: 10px 22px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 30px;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-primary);
    transition: var(--transition);
    cursor: default;
}

.material-tag:hover {
    border-color: var(--color-green);
    background: var(--color-green-soft);
    color: var(--color-green-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 168, 120, 0.12);
}

.material-tag.tag-more {
    background: transparent;
    border-style: dashed;
    color: var(--color-muted);
    font-size: 14px;
}

.material-tag.tag-more:hover {
    border-color: var(--color-green);
    color: var(--color-green);
    background: var(--color-green-soft);
}

.materials-tip {
    text-align: center;
    margin-top: 16px;
    padding: 16px 24px;
    background: var(--color-green-soft);
    border-radius: 8px;
    border-left: 4px solid var(--color-green);
}

.materials-tip p {
    font-size: 14px;
    color: var(--color-primary);
}

/* ---------- 精度说明（弱化，一笔带过）---------- */
.section-precision {
    background-color: var(--color-white);
    padding: 60px 0;
}

.precision-simple {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.precision-simple p {
    font-size: 16px;
    color: var(--color-text);
    line-height: 1.9;
    margin-bottom: 28px;
}

.precision-simple strong {
    color: var(--color-green-dark);
}

/* ---------- 厂房环境照片墙 ---------- */
.section-factory-gallery {
    background-color: var(--color-white);
}

.cap-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: 240px 240px;
    gap: 16px;
}

.cap-gallery-item {
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.cap-gallery-lg {
    grid-column: span 2;
    grid-row: span 2;
}

.cap-gallery-img {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-green-mid), var(--color-green-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.cap-gallery-img::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
    background-size: 40px 40px;
}

.cap-gallery-img span {
    position: relative;
    z-index: 2;
    color: rgba(255, 255, 255, 0.95);
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    padding: 12px 20px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(4px);
}

.cap-gallery-img span small {
    display: block;
    font-size: 12px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
}

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

/* ---------- 加工能力页响应式 ---------- */
@media (max-width: 992px) {
    .cap-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 36px 20px;
    }

    .cap-stat:nth-child(2)::after { display: none; }

    .cap-gallery {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, 220px);
    }

    .cap-gallery-lg {
        grid-column: span 2;
        grid-row: span 1;
    }
}

@media (max-width: 768px) {
    .cap-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cap-stat::after { display: none; }

    .cap-stat-num { font-size: 40px; }

    .material-tags-heading { font-size: 18px; }
    .material-tag { padding: 8px 16px; font-size: 14px; }

    .cap-gallery {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(5, 200px);
    }

    .cap-gallery-lg { grid-column: span 1; }

    .equipment-table th,
    .equipment-table td { padding: 12px 14px; font-size: 14px; }
}

/* ============================================================
   关于我们页专属样式（about.html）
   ============================================================ */

/* ---------- 公司简介 ---------- */
.about-intro {
    background-color: var(--color-white);
}

.about-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.about-eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--color-green);
    margin-bottom: 12px;
}

.about-intro-text h2 {
    font-size: 34px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
    line-height: 1.3;
}

.about-en {
    font-size: 14px;
    color: var(--color-green);
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: 24px;
}

.about-intro-text p {
    font-size: 16px;
    color: var(--color-text);
    line-height: 1.9;
    margin-bottom: 18px;
}

.about-intro-text strong {
    color: var(--color-green-dark);
}

/* 高亮数据条 */
.about-highlights {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 28px;
}

.about-highlight {
    background: var(--color-green-soft);
    border-radius: 12px;
    padding: 20px 16px;
    text-align: center;
    border: 1px solid rgba(0, 168, 120, 0.12);
}

.about-highlight strong {
    display: block;
    font-size: 24px;
    font-weight: 800;
    color: var(--color-green);
    line-height: 1.2;
}

.about-highlight span {
    display: block;
    font-size: 13px;
    color: var(--color-text);
    margin-top: 4px;
}

/* 简介右侧图片占位 */
.about-intro-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.about-img {
    width: 100%;
    min-height: 400px;
    background: linear-gradient(135deg, var(--color-green-mid), var(--color-green-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.about-img::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
    background-size: 40px 40px;
}

.about-img span {
    position: relative;
    z-index: 2;
    color: rgba(255, 255, 255, 0.95);
    font-size: 18px;
    font-weight: 600;
    text-align: center;
    padding: 14px 24px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(4px);
}

.about-img span small {
    display: block;
    font-size: 12px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
}

/* ---------- 企业理念 ---------- */
.about-philosophy {
    background-color: var(--color-bg);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.philosophy-card {
    background: var(--color-white);
    border-radius: 14px;
    padding: 44px 32px;
    text-align: center;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.philosophy-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-green);
}

.philosophy-icon {
    width: 74px;
    height: 74px;
    margin: 0 auto 24px;
    background: var(--color-green-soft);
    color: var(--color-green-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: 0 6px 16px rgba(0, 168, 120, 0.15);
}

.philosophy-icon svg {
    width: 34px;
    height: 34px;
}

.philosophy-card:hover .philosophy-icon {
    background: linear-gradient(135deg, var(--color-green), var(--color-green-mid));
    color: var(--color-white);
    transform: rotateY(360deg);
}

.philosophy-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.philosophy-card p {
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.7;
}

/* ---------- 为什么选择我们 ---------- */
.about-why {
    background-color: var(--color-white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 960px;
    margin: 0 auto;
}

.why-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 28px;
    background: var(--color-bg);
    border-radius: 14px;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.why-item:hover {
    background: var(--color-white);
    border-color: var(--color-green);
    box-shadow: var(--shadow-sm);
    transform: translateY(-4px);
}

.why-num {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-green), var(--color-green-mid));
    color: var(--color-white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
}

.why-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.why-content p {
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.7;
}

/* ---------- 关于我们页响应式 ---------- */
@media (max-width: 992px) {
    .about-intro-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .philosophy-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }

    .why-grid {
        grid-template-columns: 1fr;
        max-width: 560px;
    }
}

@media (max-width: 768px) {
    .about-intro-text h2 { font-size: 28px; }

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

    .about-img { min-height: 260px; }

    .philosophy-card { padding: 32px 24px; }

    .why-item { padding: 20px; }
}

/* ============================================================
   联系我们页专属样式（contact.html）
   ============================================================ */

/* ---------- 联系方式卡片 ---------- */
.contact-info {
    background-color: var(--color-white);
    padding: 90px 0 60px;
    margin-top: -40px;
    position: relative;
    z-index: 3;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.contact-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-green);
}

.contact-card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: var(--color-green-soft);
    color: var(--color-green-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.contact-card-icon svg {
    width: 30px;
    height: 30px;
}

.contact-card:hover .contact-card-icon {
    background: linear-gradient(135deg, var(--color-green), var(--color-green-mid));
    color: var(--color-white);
}

.contact-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.contact-card-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-green-dark);
    margin-bottom: 6px;
}

.contact-card-value a {
    color: var(--color-green-dark);
}

.contact-card-value a:hover {
    color: var(--color-accent);
}

.contact-card-label {
    font-size: 14px;
    color: var(--color-text);
    margin-bottom: 4px;
}

.contact-card-tip {
    font-size: 13px;
    color: var(--color-muted);
}

/* ---------- 询价表单区 ---------- */
.contact-form-section {
    background-color: var(--color-bg);
    padding: 80px 0;
}

.contact-form-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-form-wrap {
    background: var(--color-white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

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

.contact-form .form-group {
    margin-bottom: 22px;
}

.contact-form label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.form-required {
    color: var(--color-accent);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 15px;
    font-family: var(--font-sans);
    color: var(--color-primary);
    background: var(--color-white);
    transition: var(--transition);
    outline: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: var(--color-green);
    box-shadow: 0 0 0 3px rgba(0, 168, 120, 0.12);
}

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

.contact-form select {
    cursor: pointer;
}

/* 文件上传 */
.file-upload-wrap {
    position: relative;
}

.file-upload-wrap input[type="file"] {
    padding: 12px;
    border-style: dashed;
    background: var(--color-bg);
    cursor: pointer;
}

.file-upload-wrap input[type="file"]:hover {
    border-color: var(--color-green);
    background: var(--color-green-soft);
}

.file-upload-hint {
    display: block;
    font-size: 13px;
    color: var(--color-muted);
    margin-top: 6px;
}

/* 按钮全宽 */
.btn-block {
    width: 100%;
}

.form-note {
    font-size: 13px;
    color: var(--color-muted);
    text-align: center;
    margin-top: 16px;
}

/* ---------- 右侧：地图 & 侧栏 ---------- */
.contact-side {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* 地图占位 */
.contact-map {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.map-placeholder {
    min-height: 260px;
    background: linear-gradient(135deg, var(--color-green-soft), var(--color-bg));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 24px;
    text-align: center;
}

.map-icon {
    width: 56px;
    height: 56px;
    background: var(--color-green);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.map-icon svg {
    width: 26px;
    height: 26px;
}

.map-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.map-desc {
    font-size: 13px;
    color: var(--color-muted);
    margin-bottom: 12px;
}

.map-link {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-green-dark);
    padding: 8px 20px;
    border: 1px solid var(--color-green);
    border-radius: 6px;
    transition: var(--transition);
}

.map-link:hover {
    background: var(--color-green);
    color: var(--color-white);
}

/* 微信二维码占位 */
.contact-wechat {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.wechat-placeholder {
    min-height: 180px;
    background: var(--color-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 28px 24px;
    text-align: center;
}

.wechat-placeholder svg {
    width: 48px;
    height: 48px;
    color: var(--color-green);
    margin-bottom: 12px;
}

.wechat-placeholder p {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.wechat-tip {
    font-size: 13px;
    color: var(--color-muted);
}

/* 快捷联系 */
.contact-quick {
    background: var(--color-white);
    border-radius: 16px;
    padding: 28px 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.contact-quick h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.contact-quick ul li {
    font-size: 14px;
    color: var(--color-text);
    margin-bottom: 12px;
    line-height: 1.6;
}

.contact-quick ul li strong {
    color: var(--color-primary);
    margin-right: 4px;
}

.contact-quick ul li a {
    color: var(--color-green-dark);
}

.contact-quick ul li a:hover {
    color: var(--color-accent);
}

/* ---------- 联系我们页响应式 ---------- */
@media (max-width: 992px) {
    .contact-form-grid {
        grid-template-columns: 1fr;
    }

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

    .contact-info { padding: 60px 0 40px; }
}

@media (max-width: 768px) {
    .contact-cards {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

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

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

    .contact-info { padding: 40px 0 30px; margin-top: -30px; }

    .contact-form-section { padding: 60px 0; }

    .map-placeholder { min-height: 200px; }
}