/* ====================================================
   重庆佳纳建筑工程有限公司 - 建筑业企业一站式服务平台
   公共样式表 style.css
   风格：商务、大气、简介
   ==================================================== */

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    color: #2c3e50;
    background: #ffffff;
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul, ol {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------- 导航栏 ---------- */
.header {
    background: #ffffff;
    box-shadow: 0 2px 12px rgba(15, 44, 92, 0.08);
    position: sticky;
    top: 0;
    z-index: 999;
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 4px 20px rgba(15, 44, 92, 0.15);
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

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

.logo .logo-icon {
    width: 52px;
    height: 52px;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.2);
    border: 1px solid #e5ebf2;
    flex-shrink: 0;
}

.logo .logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.logo .logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.logo .logo-text .main {
    font-size: 17px;
    font-weight: 700;
    color: #0f2c5c;
    letter-spacing: 0.5px;
}

.logo .logo-text .sub {
    font-size: 11px;
    color: #6b7280;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-menu > li > a {
    display: block;
    padding: 12px 20px;
    font-size: 15px;
    color: #2c3e50;
    font-weight: 500;
    position: relative;
    border-radius: 6px;
}

.nav-menu > li > a::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 4px;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #d4af37, #f5d76e);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-menu > li > a:hover,
.nav-menu > li.active > a {
    color: #1e3a8a;
}

.nav-menu > li > a:hover::after,
.nav-menu > li.active > a::after {
    width: 24px;
}

.nav-phones {
    margin-left: 18px;
    display: flex;
    align-items: center;
}

.nav-phones .phones-list {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.nav-phones .phones-list a {
    font-size: 16px;
    font-weight: 700;
    color: #1e3a8a;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.3s ease;
}

.nav-phones .phones-list a::before {
    content: "☎";
    color: #d4af37;
    font-size: 14px;
}

.nav-phones .phones-list a:hover {
    color: #d4af37;
}

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

.nav-toggle span {
    width: 26px;
    height: 3px;
    background: #0f2c5c;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ---------- Banner 轮播 ---------- */
.banner {
    position: relative;
    height: calc(100vh - 80px);
    min-height: 480px;
    overflow: hidden;
    background: linear-gradient(135deg, #0f2c5c, #1e3a8a);
}

.banner-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
}

.banner-slide.active {
    opacity: 1;
}

.banner-slide::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(15, 44, 92, 0.85) 0%, rgba(15, 44, 92, 0.5) 50%, rgba(15, 44, 92, 0.2) 100%);
}

.banner-content {
    position: relative;
    z-index: 2;
    color: #fff;
    max-width: 700px;
    padding: 0 20px;
}

.banner-content .sub-title {
    display: inline-block;
    padding: 6px 18px;
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid rgba(212, 175, 55, 0.5);
    color: #f5d76e;
    border-radius: 24px;
    font-size: 14px;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.banner-content h1 {
    font-size: 46px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 18px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.banner-content h1 .highlight {
    color: #f5d76e;
}

.banner-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
    line-height: 1.8;
}

.banner-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.banner-btn {
    padding: 14px 34px;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.banner-btn.primary {
    background: linear-gradient(135deg, #d4af37, #b8901f);
    color: #fff;
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.45);
}

.banner-btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(212, 175, 55, 0.6);
    color: #fff;
}

.banner-btn.outline {
    border: 2px solid rgba(255, 255, 255, 0.7);
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.banner-btn.outline:hover {
    background: #fff;
    color: #0f2c5c;
}

.banner-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.banner-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
}

.banner-dots .dot.active {
    background: #d4af37;
    width: 36px;
    border-radius: 6px;
}

/* ---------- 通用区块 ---------- */
.section {
    padding: 80px 0;
}

.section-gray {
    background: #f7f9fc;
}

.section-dark {
    background: linear-gradient(135deg, #0f2c5c, #1e3a8a);
    color: #fff;
}

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

.section-header .sub-mark {
    display: inline-block;
    color: #d4af37;
    font-size: 14px;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 12px;
    font-weight: 600;
}

.section-header h2 {
    font-size: 34px;
    color: #0f2c5c;
    font-weight: 700;
    margin-bottom: 14px;
    position: relative;
    display: inline-block;
}

.section-dark .section-header h2 {
    color: #fff;
}

.section-header h2::after {
    content: "";
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #d4af37, #f5d76e);
    margin: 14px auto 0;
    border-radius: 2px;
}

.section-header p {
    color: #6b7280;
    font-size: 16px;
    max-width: 700px;
    margin: 14px auto 0;
}

.section-dark .section-header p {
    color: rgba(255, 255, 255, 0.75);
}

/* ---------- 业务版块 ---------- */
.business-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.business-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(15, 44, 92, 0.08);
    transition: all 0.4s ease;
    border: 1px solid #eef2f7;
}

.business-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(15, 44, 92, 0.18);
    border-color: rgba(212, 175, 55, 0.4);
}

.business-card .card-img {
    height: 220px;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.business-card .card-img::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 40%, rgba(15, 44, 92, 0.7) 100%);
}

.business-card .card-img .card-num {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 2;
    background: rgba(212, 175, 55, 0.95);
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}

.business-card .card-body {
    padding: 26px;
}

.business-card .card-body h3 {
    font-size: 22px;
    color: #0f2c5c;
    margin-bottom: 12px;
    font-weight: 700;
}

.business-card .card-body p {
    color: #6b7280;
    font-size: 14px;
    margin-bottom: 18px;
    line-height: 1.8;
}

.business-card .tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}

.business-card .tag-list span {
    padding: 4px 12px;
    background: #eef2f7;
    color: #1e3a8a;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.business-card .card-link {
    color: #d4af37;
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s ease;
}

.business-card .card-link:hover {
    gap: 12px;
}

/* ---------- 关于我们简介 ---------- */
.about-brief {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-brief .about-img {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 16px 40px rgba(15, 44, 92, 0.18);
}

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

.about-brief .about-img::after {
    content: "";
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #d4af37, #b8901f);
    border-radius: 12px;
    z-index: -1;
}

.about-brief .about-text .sub-mark {
    color: #d4af37;
    font-size: 14px;
    letter-spacing: 3px;
    font-weight: 600;
    margin-bottom: 12px;
    display: block;
}

.about-brief .about-text h2 {
    font-size: 32px;
    color: #0f2c5c;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.4;
}

.about-brief .about-text p {
    color: #6b7280;
    margin-bottom: 18px;
    line-height: 1.9;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin: 22px 0 28px;
}

.about-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #2c3e50;
    font-size: 14px;
    font-weight: 500;
}

.about-features li::before {
    content: "✓";
    width: 22px;
    height: 22px;
    background: linear-gradient(135deg, #1e3a8a, #2563eb);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
}

/* ---------- 统计数据 ---------- */
.stats {
    background: linear-gradient(135deg, #0f2c5c, #1e3a8a);
    color: #fff;
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("https://images.unsplash.com/photo:1486406146193-09dca6e2b1b8?auto=format&fit=crop&w=1600&q=80") center/cover;
    opacity: 0.08;
}

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

.stat-item {
    text-align: center;
    padding: 20px;
}

.stat-item .num {
    font-size: 48px;
    font-weight: 700;
    color: #f5d76e;
    line-height: 1;
    margin-bottom: 8px;
    font-family: "Arial", sans-serif;
}

.stat-item .num .suffix {
    font-size: 24px;
    margin-left: 2px;
}

.stat-item .label {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 1px;
}

/* ---------- 服务流程 ---------- */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}

.process-grid::before {
    content: "";
    position: absolute;
    top: 40px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #d4af37, transparent);
    z-index: 0;
}

.process-item {
    text-align: center;
    position: relative;
    z-index: 1;
}

.process-item .step-num {
    width: 80px;
    height: 80px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid #d4af37;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    color: #0f2c5c;
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.25);
    position: relative;
}

.process-item .step-num::before {
    content: "";
    position: absolute;
    inset: -6px;
    border: 1px dashed rgba(212, 175, 55, 0.4);
    border-radius: 50%;
}

.process-item h4 {
    font-size: 18px;
    color: #0f2c5c;
    margin-bottom: 8px;
    font-weight: 700;
}

.process-item p {
    color: #6b7280;
    font-size: 13px;
    line-height: 1.7;
}

/* ---------- 优势版块 ---------- */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.advantage-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    padding: 32px 22px;
    text-align: center;
    transition: all 0.35s ease;
}

.advantage-light {
    background: #fff;
    color: #2c3e50;
    border: 1px solid #eef2f7;
    box-shadow: 0 4px 16px rgba(15, 44, 92, 0.06);
}

.advantage-item.advantage-light h4 {
    color: #0f2c5c;
}

.advantage-item.advantage-light p {
    color: #6b7280;
}

.advantage-item:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: rgba(212, 175, 55, 0.5);
    transform: translateY(-6px);
}

.advantage-item.advantage-light:hover {
    background: #fff;
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: 0 14px 34px rgba(15, 44, 92, 0.14);
}

.advantage-item .icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 18px;
    background: linear-gradient(135deg, #d4af37, #b8901f);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #fff;
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

.advantage-item h4 {
    font-size: 19px;
    color: #fff;
    margin-bottom: 10px;
    font-weight: 700;
}

.advantage-item p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 13px;
    line-height: 1.7;
}

/* ---------- 新闻资讯 ---------- */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(15, 44, 92, 0.06);
    transition: all 0.3s ease;
    border: 1px solid #eef2f7;
}

.news-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(15, 44, 92, 0.15);
}

.news-card .news-img {
    height: 180px;
    background-size: cover;
    background-position: center;
}

.news-card .news-body {
    padding: 22px;
}

.news-card .news-date {
    color: #d4af37;
    font-size: 13px;
    margin-bottom: 10px;
    font-weight: 600;
}

.news-card h4 {
    font-size: 17px;
    color: #0f2c5c;
    margin-bottom: 10px;
    font-weight: 600;
    line-height: 1.5;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-card p {
    color: #6b7280;
    font-size: 13px;
    line-height: 1.7;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card .news-more {
    color: #1e3a8a;
    font-size: 13px;
    font-weight: 600;
}

/* ---------- CTA 版块 ---------- */
.cta-section {
    background: linear-gradient(135deg, #0f2c5c, #1e3a8a);
    padding: 60px 0;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url("https://images.unsplash.com/photo:1486406146193-09dca6e2b1b8?auto=format&fit=crop&w=900&q=80") center/cover;
    opacity: 0.15;
}

.cta-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
    position: relative;
    z-index: 2;
}

.cta-text h3 {
    font-size: 28px;
    margin-bottom: 8px;
    font-weight: 700;
}

.cta-text p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 15px;
}

.cta-btn {
    padding: 14px 36px;
    background: linear-gradient(135deg, #d4af37, #b8901f);
    color: #fff;
    border-radius: 30px;
    font-weight: 600;
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.45);
    transition: all 0.3s ease;
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(212, 175, 55, 0.6);
    color: #fff;
}

/* ---------- 页脚 ---------- */
.footer {
    background: #0a1e42;
    color: rgba(255, 255, 255, 0.75);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h4 {
    color: #fff;
    font-size: 17px;
    margin-bottom: 20px;
    font-weight: 600;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 2px;
    background: #d4af37;
}

.footer-about .logo {
    margin-bottom: 18px;
}

.footer-about .logo .logo-text .main {
    color: #fff;
}

.footer-about p {
    font-size: 14px;
    line-height: 1.9;
    margin-bottom: 16px;
}

.footer-qrcodes {
    display: flex;
    gap: 18px;
    margin-top: 4px;
    flex-wrap: wrap;
}

.footer-qrcode {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.footer-qrcode img {
    width: 110px;
    height: 110px;
    border-radius: 8px;
    background: #fff;
    padding: 6px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease;
}

.footer-qrcode img:hover {
    transform: translateY(-3px);
}

.footer-qrcode span {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.5px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
    margin-bottom: 12px;
    font-size: 14px;
}

.footer-contact li .icon {
    color: #d4af37;
    flex-shrink: 0;
}

.footer-links li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 14px;
}

.footer-links li a:hover {
    color: #d4af37;
}

.footer-qr .qr-code {
    width: 110px;
    height: 110px;
    background: #fff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0f2c5c;
    font-size: 12px;
    text-align: center;
    padding: 10px;
    margin-bottom: 10px;
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom a:hover {
    color: #d4af37;
}

/* ---------- 内页 Banner 简语 ---------- */
.page-banner .banner-slogan {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.92);
    letter-spacing: 1px;
    margin-top: 8px;
    font-weight: 400;
}

/* ---------- 页面 Banner（内页） ---------- */
.page-banner {
    height: 320px;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
}

.page-banner::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 44, 92, 0.88), rgba(30, 58, 138, 0.78));
}

.page-banner .banner-text {
    position: relative;
    z-index: 2;
}

.page-banner h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.page-banner .crumb {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
}

.page-banner .crumb a:hover {
    color: #f5d76e;
}

.page-banner .crumb span {
    margin: 0 8px;
    opacity: 0.6;
}

/* ---------- 关于我们页 ---------- */
.about-page-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-page-section.reverse {
    direction: rtl;
}

.about-page-section.reverse > * {
    direction: ltr;
}

.about-page-img {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 12px 36px rgba(15, 44, 92, 0.18);
}

.about-page-img img {
    width: 100%;
    height: 380px;
    object-fit: cover;
}

.about-page-text .sub-mark {
    color: #d4af37;
    font-size: 14px;
    letter-spacing: 3px;
    font-weight: 600;
    display: block;
    margin-bottom: 12px;
}

.about-page-text h2 {
    font-size: 28px;
    color: #0f2c5c;
    margin-bottom: 18px;
    font-weight: 700;
    line-height: 1.4;
}

.about-page-text p {
    color: #6b7280;
    margin-bottom: 16px;
    line-height: 1.9;
}

/* ---------- 企业文化 ---------- */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.culture-item {
    background: #fff;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(15, 44, 92, 0.06);
    border-top: 4px solid transparent;
    transition: all 0.3s ease;
}

.culture-item:hover {
    border-top-color: #d4af37;
    transform: translateY(-6px);
    box-shadow: 0 14px 34px rgba(15, 44, 92, 0.14);
}

.culture-item .icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #1e3a8a, #2563eb);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
}

.culture-item h4 {
    font-size: 20px;
    color: #0f2c5c;
    margin-bottom: 12px;
    font-weight: 700;
}

.culture-item p {
    color: #6b7280;
    font-size: 14px;
    line-height: 1.8;
}

/* ---------- 服务详情 ---------- */
.service-detail-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.service-detail-card {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(15, 44, 92, 0.08);
    border: 1px solid #eef2f7;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-detail-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #d4af37, #f5d76e);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-detail-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 34px rgba(15, 44, 92, 0.15);
}

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

.service-detail-card .card-head {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
}

.service-detail-card .icon-box {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #1e3a8a, #2563eb);
    color: #fff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.service-detail-card h3 {
    font-size: 20px;
    color: #0f2c5c;
    font-weight: 700;
}

.service-detail-card .sub-items {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.service-detail-card .sub-items span {
    padding: 6px 14px;
    background: #eef2f7;
    color: #1e3a8a;
    border-radius: 14px;
    font-size: 13px;
    font-weight: 500;
}

.service-detail-card p {
    color: #6b7280;
    font-size: 14px;
    line-height: 1.8;
}

/* ---------- 联系我们页 ---------- */
.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.contact-info-card {
    background: #fff;
    padding: 36px 26px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(15, 44, 92, 0.06);
    border: 1px solid #eef2f7;
    transition: all 0.3s ease;
}

.contact-info-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 34px rgba(15, 44, 92, 0.14);
    border-color: rgba(212, 175, 55, 0.4);
}

.contact-info-card .icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 18px;
    background: linear-gradient(135deg, #1e3a8a, #2563eb);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.contact-info-card h4 {
    font-size: 18px;
    color: #0f2c5c;
    margin-bottom: 10px;
    font-weight: 700;
}

.contact-info-card p {
    color: #6b7280;
    font-size: 15px;
    line-height: 1.8;
}

.contact-info-card p strong {
    color: #1e3a8a;
    font-size: 17px;
}

/* ---------- 联系页扫码区 ---------- */
.contact-qrcodes {
    margin-top: 20px;
    padding: 44px 30px;
    background: linear-gradient(135deg, #f8fafc 0%, #eef2f7 100%);
    border-radius: 16px;
    text-align: center;
    border: 1px solid #e5e7eb;
}

.contact-qrcodes h3 {
    color: #0f2c5c;
    font-size: 22px;
    margin-bottom: 8px;
    font-weight: 700;
}

.contact-qrcodes > p {
    color: #6b7280;
    font-size: 14px;
    margin-bottom: 30px;
}

.contact-qrcode-list {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.contact-qrcode {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.contact-qrcode img {
    width: 160px;
    height: 160px;
    border-radius: 12px;
    background: #fff;
    padding: 10px;
    box-shadow: 0 8px 24px rgba(15, 44, 92, 0.1);
    border: 1px solid #e5e7eb;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-qrcode img:hover {
    transform: translateY(-5px);
    box-shadow: 0 14px 32px rgba(15, 44, 92, 0.18);
}

.contact-qrcode span {
    font-size: 14px;
    color: #1e3a8a;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.contact-map-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: stretch;
}

.contact-map {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(15, 44, 92, 0.1);
    min-height: 400px;
    background: #eef2f7;
}

.contact-form-card {
    background: #fff;
    border-radius: 12px;
    padding: 36px;
    box-shadow: 0 4px 20px rgba(15, 44, 92, 0.08);
}

.contact-form-card h3 {
    font-size: 22px;
    color: #0f2c5c;
    margin-bottom: 8px;
    font-weight: 700;
}

.contact-form-card .sub {
    color: #6b7280;
    font-size: 14px;
    margin-bottom: 24px;
}

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

.form-row label {
    display: block;
    font-size: 14px;
    color: #2c3e50;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-row label .required {
    color: #e74c3c;
    margin-left: 4px;
}

.form-row input,
.form-row textarea,
.form-row select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #dce3ed;
    border-radius: 8px;
    font-size: 14px;
    color: #2c3e50;
    background: #fff;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
    border-color: #1e3a8a;
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
    outline: none;
}

.form-row textarea {
    resize: vertical;
    min-height: 110px;
}

.form-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #1e3a8a, #2563eb);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-btn:hover {
    background: linear-gradient(135deg, #d4af37, #b8901f);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.35);
}

/* ---------- 服务项目页 - 大类布局 ---------- */
.service-main-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-main-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(15, 44, 92, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #eef2f7;
}

.service-main-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(15, 44, 92, 0.18);
}

.service-main-card .card-banner {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.service-main-card .card-banner::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 30%, rgba(15, 44, 92, 0.85) 100%);
}

.service-main-card .card-banner .title-wrap {
    position: absolute;
    bottom: 20px;
    left: 24px;
    z-index: 2;
    color: #fff;
}

.service-main-card .card-banner .title-wrap h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
}

.service-main-card .card-banner .title-wrap .en {
    font-size: 13px;
    opacity: 0.8;
    letter-spacing: 2px;
}

.service-main-card .card-content {
    padding: 26px;
}

.service-main-card .card-content p {
    color: #6b7280;
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 18px;
}

.service-main-card .item-list {
    border-top: 1px dashed #e5ebf2;
    padding-top: 16px;
}

.service-main-card .item-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #2c3e50;
    padding: 6px 0;
}

.service-main-card .item-list li::before {
    content: "▸";
    color: #d4af37;
    font-weight: 700;
}

/* ---------- 动画 ---------- */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ====================================================
   响应式适配
   ==================================================== */

/* 平板 */
@media (max-width: 992px) {
    .container {
        padding: 0 30px;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: #fff;
        flex-direction: column;
        padding: 16px;
        gap: 4px;
        box-shadow: 0 12px 30px rgba(15, 44, 92, 0.12);
        transform: translateY(-150%);
        transition: transform 0.4s ease;
        align-items: stretch;
        max-height: calc(100vh - 80px);
        overflow-y: auto;
    }

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

    .nav-menu > li > a {
        padding: 14px 16px;
        border-radius: 8px;
    }

    .nav-menu > li > a:hover {
        background: #f7f9fc;
    }

    .nav-phones {
        margin: 14px 0 0;
        align-items: center;
    }

    .nav-phones .phones-list {
        justify-content: center;
    }

    .nav-phones .phones-list a {
        font-size: 15px;
    }

    .nav-toggle {
        display: flex;
    }

    .banner-content h1 {
        font-size: 36px;
    }

    .banner-content p {
        font-size: 16px;
    }

    .section {
        padding: 60px 0;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .business-grid,
    .advantage-grid,
    .process-grid,
    .stats-grid,
    .culture-grid,
    .news-grid,
    .service-main-list,
    .contact-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-brief,
    .about-page-section,
    .contact-map-wrap {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-brief .about-img img {
        height: 320px;
    }

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

    .service-detail-list {
        grid-template-columns: 1fr;
    }

    .process-grid::before {
        display: none;
    }
}

/* 手机 */
@media (max-width: 576px) {
    .container {
        padding: 0 18px;
    }

    .logo .logo-icon {
        width: 42px;
        height: 42px;
    }

    .logo .logo-text .main {
        font-size: 14px;
    }

    .logo .logo-text .sub {
        font-size: 9px;
    }

    .banner-content {
        padding: 0 18px;
    }

    .banner-content .sub-title {
        font-size: 12px;
        padding: 5px 14px;
    }

    .banner-content h1 {
        font-size: 26px;
        line-height: 1.4;
    }

    .banner-content p {
        font-size: 14px;
        margin-bottom: 22px;
    }

    .banner-btn {
        padding: 12px 24px;
        font-size: 14px;
    }

    .section {
        padding: 50px 0;
    }

    .section-header {
        margin-bottom: 36px;
    }

    .section-header h2 {
        font-size: 24px;
    }

    .section-header p {
        font-size: 14px;
    }

    .business-grid,
    .culture-grid,
    .news-grid,
    .service-main-list,
    .contact-info-grid {
        grid-template-columns: 1fr;
    }

    .contact-qrcodes {
        padding: 30px 18px;
    }

    .contact-qrcodes h3 {
        font-size: 19px;
    }

    .contact-qrcode-list {
        gap: 28px;
    }

    .contact-qrcode img {
        width: 130px;
        height: 130px;
    }

    .contact-qrcode span {
        font-size: 13px;
    }

    .advantage-grid,
    .process-grid,
    .stats-grid,
    .about-features {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 手机端页脚：about 全宽在上，nav+business 双列居中，contact 全宽在下 */
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-areas:
            "about about"
            "nav business"
            "contact contact";
        gap: 28px 20px;
    }

    .footer-col.footer-about { grid-area: about; }
    .footer-col:nth-child(2) { grid-area: nav; }
    .footer-col:nth-child(3) { grid-area: business; }
    .footer-col.footer-contact { grid-area: contact; }

    .footer-col h4 {
        font-size: 15px;
        margin-bottom: 14px;
    }

    .footer-col h4::after {
        width: 24px;
    }

    .footer-contact li,
    .footer-links li {
        font-size: 13px;
        margin-bottom: 8px;
    }

    .footer-about p {
        font-size: 13px;
        line-height: 1.8;
    }

    .footer-qrcodes {
        gap: 14px;
        justify-content: center;
    }

    .footer-qrcode img {
        width: 92px;
        height: 92px;
    }

    .footer-qrcode span {
        font-size: 11px;
    }

    .stats-grid {
        gap: 16px;
    }

    .stat-item .num {
        font-size: 36px;
    }

    .about-brief .about-img img {
        height: 240px;
    }

    .about-brief .about-text h2,
    .about-page-text h2 {
        font-size: 22px;
    }

    .page-banner {
        height: 240px;
    }

    .page-banner h1 {
        font-size: 28px;
    }

    .contact-form-card,
    .contact-info-card {
        padding: 24px 18px;
    }

    .float-tools {
        right: 14px;
        bottom: 30px;
    }

    .float-tools a {
        width: 46px;
        height: 46px;
        font-size: 18px;
    }

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

    .cta-text h3 {
        font-size: 22px;
    }
}

/* 打印 */
@media print {
    .header, .float-tools, .nav-toggle, .banner-dots {
        display: none;
    }
}