/*
Theme Name: MyTheme
Theme URI: https://example.com
Author: Your Name
Author URI: https://example.com
Description: 仿 pretapower.com 风格的 WordPress 主题 - 适用于能源/科技企业官网
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: mytheme
*/

/* ========================================
   0. CSS 变量 & 基础重置
   ======================================== */
:root {
    --primary: #e67e22;
    --primary-dark: #d35400;
    --primary-light: rgba(230, 126, 34, 0.1);
    --dark: #1a1a2e;
    --dark-light: #16213e;
    --text: #333;
    --text-light: #666;
    --text-lighter: #999;
    --bg-light: #f8f9fa;
    --bg-dark: #0f0c29;
    --border: #e8e8e8;
    --white: #fff;
    --shadow: 0 5px 25px rgba(0,0,0,0.08);
    --shadow-hover: 0 10px 40px rgba(0,0,0,0.12);
    --radius: 8px;
    --transition: all 0.3s ease;
    --font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.7;
    color: var(--text);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

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

a:hover {
    color: var(--primary-dark);
}

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

ul, ol {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.screen-reader-text {
    border: 0;
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

/* ========================================
   1. 通用组件
   ======================================== */

/* Section */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--dark);
    line-height: 1.3;
    margin-bottom: 15px;
}

@media (max-width: 768px) {
    .section {
        padding: 50px 0;
    }
    .section-title {
        font-size: 28px;
    }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 4px;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    line-height: 1.4;
    text-align: center;
}

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

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

.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(230, 126, 34, 0.35);
}

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

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

.btn-text {
    color: var(--primary);
    font-weight: 600;
    padding: 0;
    background: none;
}

.btn-text:hover {
    color: var(--primary-dark);
    padding-left: 5px;
}

/* ========================================
   2. 顶部信息栏 (Top Bar)
   ======================================== */
.top-bar {
    background: var(--dark);
    color: #ccc;
    font-size: 12px;
    padding: 5px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.top-bar-content {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    min-height: 32px;
}

.top-bar-info {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #aaa;
    font-size: 12px;
}

.top-bar-info svg {
    color: var(--primary);
    flex-shrink: 0;
    width: 13px;
    height: 13px;
}

/* 顶部栏 - 语言选择器 */
.language-selector {
    position: relative;
    cursor: pointer;
    user-select: none;
}

.current-lang {
    display: flex;
    align-items: center;
    gap: 4px;
    color: #aaa;
    padding: 2px 8px;
    border-radius: 3px;
    transition: background 0.3s, color 0.3s;
    border: 1px solid rgba(255,255,255,0.1);
    font-size: 12px;
}

.current-lang:hover {
    background: rgba(255,255,255,0.06);
    color: #fff;
    border-color: rgba(255,255,255,0.25);
}

.current-lang svg:first-child {
    color: var(--primary);
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

.lang-text {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.lang-arrow {
    transition: transform 0.3s;
    flex-shrink: 0;
}

.language-selector:hover .lang-arrow {
    transform: rotate(180deg);
}

.lang-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 140px;
    background: var(--white);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    border-radius: 6px;
    padding: 6px 0;
    list-style: none;
    z-index: 9999;
    animation: fadeInDown 0.2s ease;
}

.language-selector:hover .lang-dropdown {
    display: block;
}

.lang-dropdown li a {
    display: block;
    padding: 7px 18px;
    color: var(--text);
    font-size: 12px;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}

.lang-dropdown li a:hover {
    background: var(--primary-light);
    color: var(--primary);
}

/* 顶部栏 - 搜索框 */
.header-search .search-form {
    display: flex;
    align-items: center;
    gap: 0;
}

.search-input {
    width: 160px;
    padding: 3px 10px;
    font-size: 12px;
    color: #ccc;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    border-right: none;
    border-radius: 3px 0 0 3px;
    outline: none;
    transition: border-color 0.3s, background 0.3s, width 0.3s;
    font-family: var(--font-family);
}

.search-input::placeholder {
    color: #777;
    font-size: 12px;
}

.search-input:focus {
    width: 200px;
    background: rgba(255,255,255,0.12);
    border-color: var(--primary);
    color: #fff;
}

.search-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 3px 10px;
    background: var(--primary);
    border: 1px solid var(--primary);
    border-radius: 0 3px 3px 0;
    cursor: pointer;
    color: #fff;
    transition: background 0.3s;
}

.search-submit:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.search-submit svg {
    width: 13px;
    height: 13px;
    display: block;
}

/* ========================================
   3. Main Navigation (Header)
   ======================================== */
.site-header {
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    gap: 20px;
}

.site-branding {
    flex-shrink: 0;
}

.site-title {
    font-size: 26px;
    font-weight: 800;
    line-height: 1.2;
}

.site-title a {
    color: var(--dark);
}

.site-title a:hover {
    color: var(--primary);
}

.site-description {
    font-size: 12px;
    color: var(--text-lighter);
    margin-top: 2px;
}

/* 导航菜单 */
.main-navigation {
    display: flex;
    align-items: center;
}

.main-menu {
    display: flex;
    list-style: none;
    gap: 2px;
    margin: 0;
    padding: 0;
}

.main-menu > li {
    position: relative;
}

.main-menu > li > a {
    display: block;
    padding: 10px 18px;
    color: var(--text);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
}

.main-menu > li > a:hover,
.main-menu > li.current-menu-item > a,
.main-menu > li.current_page_item > a {
    color: var(--primary);
    background: var(--primary-light);
}

/* 下拉子菜单 */
.main-menu .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--white);
    box-shadow: var(--shadow-hover);
    border-radius: 6px;
    padding: 12px 0;
    list-style: none;
    z-index: 999;
    animation: fadeInDown 0.3s ease;
}

.main-menu .menu-item-has-children:hover > .sub-menu {
    display: block;
}

.main-menu .sub-menu a {
    display: block;
    padding: 10px 24px;
    color: var(--text-light);
    font-size: 14px;
    transition: var(--transition);
}

.main-menu .sub-menu a:hover {
    color: var(--primary);
    background: var(--primary-light);
    padding-left: 30px;
}

.main-menu > li.menu-item-has-children > a::after {
    content: '▾';
    margin-left: 6px;
    font-size: 11px;
    color: var(--text-lighter);
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    align-items: center;
    gap: 8px;
}

.menu-toggle-icon {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.menu-toggle-icon span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

.menu-toggle-text {
    font-size: 14px;
    color: var(--text);
}

.header-actions {
    flex-shrink: 0;
}

/* 导航栏 Instant Quote 按钮 - Blue bg white text, rounded ends; hover black bg */
.btn-instant-quote {
    display: inline-block;
    background: #007bff;
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 50px;
    text-decoration: none;
    transition: background 0.3s ease, color 0.3s ease;
}

.btn-instant-quote:hover {
    background: #000000;
    color: #ffffff;
}

.btn-instant-quote .btn-text {
    color: inherit;
}

/* ========================================
   4. Hero 区域
   ======================================== */
.hero-section {
    position: relative;
    height: 85vh;
    min-height: 500px;
    overflow: hidden;
}

.hero-slide {
    position: relative;
    height: 85vh;
    min-height: 500px;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,12,41,0.7) 0%, rgba(26,26,46,0.5) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 750px;
    padding: 40px 0;
}

.hero-title {
    font-size: 52px;
    font-weight: 900;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 25px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 17px;
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
    margin-bottom: 35px;
    max-width: 650px;
}

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

@media (max-width: 768px) {
    .hero-section,
    .hero-slide {
        height: auto;
        min-height: 450px;
    }
    .hero-title {
        font-size: 32px;
    }
    .hero-subtitle {
        font-size: 15px;
    }
}

/* ========================================
   5. About Section
   ======================================== */
.about-section {
    background: var(--white);
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text p {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.about-stats li {
    display: flex;
    flex-direction: column;
    background: var(--bg-light);
    padding: 20px;
    border-radius: var(--radius);
    border-left: 3px solid var(--primary);
}

.stat-number {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 13px;
    color: var(--text-lighter);
    margin-top: 4px;
}

.video-wrapper {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.video-thumbnail {
    width: 100%;
    display: block;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: var(--transition);
}

.play-button:hover {
    transform: translate(-50%, -50%) scale(1.1);
}

@media (max-width: 768px) {
    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .about-stats {
        grid-template-columns: 1fr 1fr;
    }
}

/* ========================================
   6. Products Section
   ======================================== */
.products-section {
    background: var(--bg-light);
}

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

.product-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.product-img {
    overflow: hidden;
    height: 220px;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-img img {
    transform: scale(1.08);
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.product-info p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 15px;
}

@media (max-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   7. Certifications Section
   ======================================== */
.certifications-section {
    background: var(--white);
}

.certifications-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.cert-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.cert-images img {
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    width: 100%;
}

.cert-content p {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 25px;
}

.cert-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.cert-list li {
    font-size: 15px;
    color: var(--text);
    padding: 8px 12px;
    background: var(--bg-light);
    border-radius: 4px;
    font-weight: 500;
}

.cert-list li::before {
    content: '✓ ';
    color: var(--primary);
    font-weight: 700;
}

@media (max-width: 768px) {
    .certifications-wrapper {
        grid-template-columns: 1fr;
    }
    .cert-list {
        grid-template-columns: 1fr 1fr;
    }
}

/* ========================================
   8. Advantages Section
   ======================================== */
.advantages-section {
    background: var(--bg-light);
}

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

.advantage-card {
    background: var(--white);
    padding: 35px 25px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-bottom: 3px solid transparent;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-bottom-color: var(--primary);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-icon img {
    max-width: 100%;
    max-height: 100%;
}

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

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

@media (max-width: 992px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   9. Quality Section
   ======================================== */
.quality-section {
    background: var(--white);
}

.quality-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.quality-item {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.quality-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.quality-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.quality-text {
    padding: 30px;
}

.quality-text h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

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

@media (max-width: 768px) {
    .quality-wrapper {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   10. CTA Section
   ======================================== */
.cta-section {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    padding: 80px 0;
    text-align: center;
}

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

.cta-content h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 16px;
    color: rgba(255,255,255,0.75);
    margin-bottom: 35px;
    line-height: 1.8;
}

/* ========================================
   11. Footer 样式
   ======================================== */
.site-footer {
    background: var(--dark);
    color: #ccc;
    font-size: 14px;
    line-height: 1.8;
}

.site-footer a {
    color: #bbb;
    transition: var(--transition);
}

.site-footer a:hover {
    color: var(--primary);
}

.footer-widgets {
    padding: 60px 0 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 1.2fr;
    gap: 40px;
}

.footer-title {
    color: var(--white);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 12px;
    position: relative;
}

.footer-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background: var(--primary);
}

.footer-desc {
    margin-bottom: 20px;
    color: #aaa;
    font-size: 14px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    color: #ccc;
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-menu li {
    margin-bottom: 8px;
}

.footer-menu li a {
    position: relative;
    padding-left: 15px;
    color: #aaa;
    font-size: 14px;
}

.footer-menu li a::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-size: 16px;
    font-weight: bold;
}

.footer-menu li a:hover {
    color: var(--primary);
    padding-left: 18px;
}

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 15px;
    color: #aaa;
    font-size: 14px;
}

.contact-icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(230,126,34,0.15);
    color: var(--primary);
}

.footer-bottom {
    padding: 20px 0;
    background: rgba(0,0,0,0.2);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.copyright {
    color: #888;
    font-size: 13px;
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
    list-style: none;
}

.footer-bottom-links a {
    color: #888;
    font-size: 13px;
}

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

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   12. 内容区域 (通用页面)
   ======================================== */
.content-area {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
    min-height: 400px;
}

.content-area h2 {
    color: var(--dark);
    margin: 20px 0 10px;
}

.content-area p {
    margin-bottom: 15px;
    color: var(--text-light);
}

/* ========================================
   13. 响应式 - 移动端适配
   ======================================== */
@media (max-width: 992px) {
    .btn-instant-quote {
        padding: 10px 16px;
        font-size: 13px;
    }
}

@media (max-width: 768px) {
    .header-inner {
        flex-wrap: wrap;
    }

    .main-navigation .main-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        box-shadow: var(--shadow);
        padding: 15px 20px;
    }

    .main-navigation .main-menu.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .main-menu .sub-menu {
        position: static;
        box-shadow: none;
        padding-left: 20px;
        animation: none;
    }

    .main-menu > li.menu-item-has-children > a::after {
        content: none;
    }

    .top-bar-content {
        justify-content: center;
        gap: 12px;
    }

    .search-input {
        width: 130px;
    }

    .search-input:focus {
        width: 150px;
    }

    .lang-dropdown {
        right: auto;
        left: 0;
    }
}

/* ========================================
   14. Instant Quote 询价页面
   ======================================== */
.quote-page {
    padding: 60px 0;
    min-height: 500px;
    background: var(--bg-light);
}

.quote-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.quote-header {
    text-align: center;
    margin-bottom: 40px;
}

.quote-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 12px;
}

.quote-subtitle {
    font-size: 16px;
    color: var(--text-light);
}

.quote-form-container {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.quote-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    color: var(--text);
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 4px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    font-family: var(--font-family);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-control::placeholder {
    color: var(--text-lighter);
}

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

/* 文件上传 */
.file-upload-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.form-control-file {
    display: none;
}

.file-upload-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bg-light);
    border: 1px dashed var(--border);
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-light);
    font-size: 14px;
    transition: var(--transition);
}

.file-upload-label:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

.file-name {
    font-size: 13px;
    color: var(--text-lighter);
}

.form-hint {
    font-size: 12px;
    color: var(--text-lighter);
    margin-top: 4px;
}

/* 提交按钮 */
.form-submit {
    text-align: center;
    margin-top: 10px;
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 48px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
}

.btn-submit-icon {
    transition: transform 0.3s ease;
}

.btn-submit:hover .btn-submit-icon {
    transform: translateX(4px);
}

/* 成功提示 */
.quote-success {
    text-align: center;
    padding: 60px 20px;
}

.success-icon {
    margin-bottom: 20px;
}

.quote-success h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.quote-success p {
    font-size: 15px;
    color: var(--text-light);
}

@media (max-width: 768px) {
    .quote-page {
        padding: 40px 0;
    }

    .quote-form-container {
        padding: 24px 20px;
    }

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

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

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