/* ===== 陕西有为医药生物科技有限公司 - 全局样式 ===== */

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

:root {
    --primary-deep: #0a3d6b;
    --primary: #0b4a8f;
    --primary-light: #1e6bb8;
    --accent-green: #2ea76a;
    --accent-green-dark: #1f8a52;
    --gold: #c8a972;
    --gold-light: #e0c897;
    --text-dark: #1a1a1a;
    --text-gray: #4a4a4a;
    --text-light: #6e6e6e;
    --bg-light: #f7faff;
    --bg-gradient: linear-gradient(135deg, #0a3d6b 0%, #0b4a8f 50%, #1e6bb8 100%);
    --border-light: #e3eaf3;
    --shadow-soft: 0 6px 20px rgba(11, 74, 143, 0.08);
    --shadow-hover: 0 12px 35px rgba(11, 74, 143, 0.18);
}

html { scroll-behavior: smooth; }

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-dark);
    background: #ffffff;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--accent-green); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 顶部公告条 ===== */
.top-bar {
    background: linear-gradient(90deg, #073158 0%, #0a3d6b 100%);
    color: #d8e6f5;
    font-size: 13px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 38px;
}
.top-bar .welcome { letter-spacing: 1px; }
.top-bar .phone {
    color: var(--gold-light);
    font-weight: 600;
    letter-spacing: 1px;
}
.top-bar .phone i { color: var(--gold); margin-right: 6px; }

/* ===== 头部导航 ===== */
.header {
    background: #fff;
    box-shadow: 0 2px 18px rgba(11, 74, 143, 0.08);
    position: sticky;
    top: 0;
    z-index: 999;
}
.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 88px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 14px;
}
.logo img {
    height: 60px;
    width: auto;
}
.logo-text {
    border-left: 2px solid var(--accent-green);
    padding-left: 14px;
}
.logo-text h1 {
    font-size: 20px;
    color: var(--primary-deep);
    font-weight: 700;
    letter-spacing: 1px;
    line-height: 1.2;
}
.logo-text p {
    font-size: 12px;
    color: var(--text-light);
    letter-spacing: 2px;
    margin-top: 4px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav li { position: relative; }
.nav li a {
    display: block;
    padding: 12px 22px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    transition: all .3s;
}
.nav li a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent-green);
    transition: width .3s;
}
.nav li a:hover,
.nav li a.active {
    color: var(--primary);
}
.nav li a:hover::after,
.nav li a.active::after {
    width: 60%;
}
.nav li a.active { color: var(--primary); font-weight: 600; }

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 26px;
    color: var(--primary);
    cursor: pointer;
}

/* ===== Banner ===== */
.banner {
    position: relative;
    height: 620px;
    background: linear-gradient(120deg, #062a4a 0%, #0b4a8f 45%, #1e6bb8 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
}
.banner::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -100px;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(46,167,106,.25) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}
.banner::after {
    content: '';
    position: absolute;
    bottom: -300px;
    left: -100px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(200,169,114,.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 10s ease-in-out infinite reverse;
}
@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}
.banner-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: .6;
}
.banner .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    align-items: center;
    gap: 40px;
}
.banner-text { color: #fff; }
.banner-tag {
    display: inline-block;
    padding: 6px 18px;
    background: rgba(46, 167, 106, 0.2);
    border: 1px solid rgba(46, 167, 106, 0.5);
    border-radius: 30px;
    font-size: 14px;
    color: #b4e5cc;
    letter-spacing: 3px;
    margin-bottom: 24px;
    backdrop-filter: blur(8px);
}
.banner-text h2 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 18px;
    letter-spacing: 2px;
    text-shadow: 0 4px 18px rgba(0,0,0,.25);
}
.banner-text h2 span {
    color: var(--gold-light);
    position: relative;
}
.banner-text h2 span::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: -6px;
    height: 3px;
    background: var(--accent-green);
    border-radius: 2px;
}
.banner-text p.sub {
    font-size: 22px;
    color: #e0eaf5;
    margin-bottom: 12px;
    letter-spacing: 4px;
    font-weight: 300;
}
.banner-text p.desc {
    font-size: 16px;
    color: #b8cce0;
    line-height: 1.9;
    max-width: 520px;
    margin-bottom: 32px;
}
.banner-text .slogan {
    font-size: 28px;
    color: var(--gold-light);
    font-weight: 600;
    letter-spacing: 6px;
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid rgba(255,255,255,.15);
}
.banner-actions {
    display: flex;
    gap: 16px;
    margin-top: 28px;
}
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all .3s;
    border: none;
}
.btn-primary {
    background: var(--accent-green);
    color: #fff;
    box-shadow: 0 6px 20px rgba(46, 167, 106, 0.4);
}
.btn-primary:hover {
    background: var(--accent-green-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(46, 167, 106, 0.5);
}
.btn-outline {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255,255,255,.6);
}
.btn-outline:hover {
    background: #fff;
    color: var(--primary);
    border-color: #fff;
    transform: translateY(-2px);
}

.banner-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}
.banner-visual .ring {
    position: absolute;
    border: 1.5px solid rgba(255,255,255,.12);
    border-radius: 50%;
    animation: pulse 5s ease-in-out infinite;
}
.banner-visual .ring.r1 { width: 380px; height: 380px; }
.banner-visual .ring.r2 { width: 500px; height: 500px; animation-delay: 1.2s; }
.banner-visual .ring.r3 { width: 620px; height: 620px; animation-delay: 2.4s; }
@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: .6; }
    50% { transform: scale(1.06); opacity: 1; }
}
.banner-visual .product {
    position: relative;
    z-index: 2;
    max-height: 480px;
    filter: drop-shadow(0 25px 40px rgba(0,0,0,.35));
    border-radius: 12px;
}

/* ===== 通用 Section ===== */
.section {
    padding: 90px 0;
}
.section.bg-light { background: var(--bg-light); }
.section-title {
    text-align: center;
    margin-bottom: 60px;
}
.section-title .label {
    display: inline-block;
    font-size: 14px;
    color: var(--accent-green);
    letter-spacing: 6px;
    font-weight: 600;
    margin-bottom: 12px;
    text-transform: uppercase;
}
.section-title h3 {
    font-size: 38px;
    color: var(--primary-deep);
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}
.section-title h3::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--accent-green);
    margin: 14px auto 0;
    border-radius: 2px;
}
.section-title p {
    color: var(--text-light);
    font-size: 16px;
    max-width: 720px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ===== 优势特性 ===== */
.features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.feature-card {
    background: #fff;
    padding: 40px 28px;
    text-align: center;
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
    transition: all .35s;
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-green), var(--primary));
    transform: scaleX(0);
    transition: transform .4s;
    transform-origin: left;
}
.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card .icon {
    width: 76px;
    height: 76px;
    margin: 0 auto 22px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 34px;
    box-shadow: 0 8px 20px rgba(11, 74, 143, 0.25);
}
.feature-card h4 {
    font-size: 19px;
    color: var(--primary-deep);
    margin-bottom: 12px;
    font-weight: 700;
}
.feature-card p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
}

/* ===== 产品分类卡片 ===== */
.product-categories {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.category-card {
    background: #fff;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: all .4s;
    position: relative;
}
.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}
.category-card .cat-image {
    height: 240px;
    background: linear-gradient(135deg, #f0f7ff 0%, #e1edf9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.category-card .cat-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(11,74,143,.06) 0%, transparent 70%);
}
.category-card .cat-image img {
    max-height: 200px;
    max-width: 80%;
    object-fit: contain;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 8px 18px rgba(0,0,0,.15));
    transition: transform .5s;
}
.category-card:hover .cat-image img {
    transform: scale(1.08);
}
.category-card .cat-body {
    padding: 32px 28px;
    text-align: center;
    border-top: 3px solid var(--accent-green);
}
.category-card .cat-body h4 {
    font-size: 22px;
    color: var(--primary-deep);
    margin-bottom: 14px;
    font-weight: 700;
}
.category-card .cat-body p {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 20px;
    min-height: 48px;
}
.category-card .cat-link {
    display: inline-block;
    color: var(--accent-green);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1px;
    padding: 8px 0;
    position: relative;
}
.category-card .cat-link::after {
    content: ' →';
    transition: transform .3s;
    display: inline-block;
}
.category-card:hover .cat-link::after {
    transform: translateX(4px);
}

/* ===== 关于我们概览 ===== */
.about-preview {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    align-items: center;
}
.about-image {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}
.about-image::before {
    content: '';
    position: absolute;
    top: -16px; left: -16px;
    width: 100%; height: 100%;
    border: 2px solid var(--accent-green);
    border-radius: 14px;
    z-index: -1;
}
.about-content .label {
    font-size: 14px;
    color: var(--accent-green);
    letter-spacing: 4px;
    font-weight: 600;
    margin-bottom: 12px;
    display: inline-block;
}
.about-content h3 {
    font-size: 36px;
    color: var(--primary-deep);
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.3;
}
.about-content h3 span { color: var(--accent-green); }
.about-content p {
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 18px;
    font-size: 15px;
}
.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 35px;
    padding-top: 30px;
    border-top: 1px solid var(--border-light);
}
.stat-item { text-align: center; }
.stat-num {
    font-size: 36px;
    color: var(--primary);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 6px;
}
.stat-label {
    color: var(--text-light);
    font-size: 13px;
    letter-spacing: 1px;
}

/* ===== 内页 Banner ===== */
.page-banner {
    height: 320px;
    background: linear-gradient(120deg, #062a4a 0%, #0b4a8f 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-banner::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 40px 40px;
}
.page-banner::after {
    content: '';
    position: absolute;
    bottom: -200px;
    right: -100px;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(46,167,106,.2) 0%, transparent 70%);
    border-radius: 50%;
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner h2 {
    font-size: 42px;
    font-weight: 700;
    letter-spacing: 4px;
    margin-bottom: 14px;
}
.page-banner .breadcrumb {
    color: #b8cce0;
    font-size: 14px;
    letter-spacing: 2px;
}
.page-banner .breadcrumb a:hover { color: var(--gold-light); }
.page-banner .breadcrumb span { color: var(--gold-light); margin: 0 8px; }

/* ===== 产品页 ===== */
.cat-section {
    padding: 60px 0;
    border-bottom: 1px dashed var(--border-light);
}
.cat-section:last-child { border-bottom: none; }
.cat-header {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--border-light);
    position: relative;
}
.cat-header::after {
    content: '';
    position: absolute;
    left: 0; bottom: -2px;
    width: 80px;
    height: 2px;
    background: var(--accent-green);
}
.cat-header .num {
    width: 60px; height: 60px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 800;
    box-shadow: 0 6px 18px rgba(11, 74, 143, 0.3);
}
.cat-header h3 {
    font-size: 28px;
    color: var(--primary-deep);
    font-weight: 700;
}
.cat-header p {
    color: var(--text-light);
    font-size: 14px;
    margin-top: 4px;
}

.product-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 30px;
}
.product-item {
    background: #fff;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    transition: all .35s;
}
.product-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}
.product-item .p-img {
    height: 280px;
    background: linear-gradient(135deg, #f0f7ff 0%, #e1edf9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.product-item .p-img img {
    max-height: 240px;
    max-width: 80%;
    object-fit: contain;
    filter: drop-shadow(0 8px 18px rgba(0,0,0,.15));
    transition: transform .5s;
}
.product-item:hover .p-img img { transform: scale(1.06); }
.product-item .p-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--accent-green);
    color: #fff;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
    letter-spacing: 1px;
    font-weight: 600;
}
.product-item .p-body {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.product-item .p-title {
    font-size: 19px;
    color: var(--primary-deep);
    font-weight: 700;
    margin-bottom: 8px;
}
.product-item .p-sub {
    color: var(--accent-green);
    font-size: 13px;
    margin-bottom: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-light);
}
.product-item .p-info {
    flex: 1;
}
.product-item .info-row {
    display: flex;
    margin-bottom: 10px;
    font-size: 13.5px;
    line-height: 1.7;
}
.product-item .info-row .key {
    color: var(--primary);
    font-weight: 600;
    min-width: 105px;
    flex-shrink: 0;
}
.product-item .info-row .val {
    color: var(--text-gray);
    flex: 1;
}
.product-item .p-spec {
    margin-top: 16px;
    padding: 10px 14px;
    background: var(--bg-light);
    border-left: 3px solid var(--gold);
    border-radius: 4px;
    color: var(--text-gray);
    font-size: 13px;
}
.product-item .p-spec strong { color: var(--primary); }
.product-item .p-bottom {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px dashed var(--border-light);
    color: var(--accent-green);
    font-size: 12px;
    letter-spacing: 2px;
    font-weight: 600;
    text-align: center;
}

/* ===== 招商加盟页 ===== */
.join-block {
    background: #fff;
    border-radius: 14px;
    padding: 50px 50px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-soft);
    border-top: 4px solid var(--accent-green);
}
.join-block h3 {
    font-size: 26px;
    color: var(--primary-deep);
    margin-bottom: 30px;
    padding-bottom: 18px;
    border-bottom: 2px solid var(--border-light);
    position: relative;
    display: flex;
    align-items: center;
    gap: 14px;
}
.join-block h3::after {
    content: '';
    position: absolute;
    left: 0; bottom: -2px;
    width: 80px;
    height: 2px;
    background: var(--accent-green);
}
.join-block h3 .icon {
    width: 46px; height: 46px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}
.join-block ul li {
    padding: 12px 0 12px 30px;
    position: relative;
    color: var(--text-gray);
    line-height: 1.85;
    font-size: 15px;
    border-bottom: 1px dashed var(--border-light);
}
.join-block ul li:last-child { border-bottom: none; }
.join-block ul li::before {
    content: '◆';
    position: absolute;
    left: 0;
    top: 12px;
    color: var(--accent-green);
    font-size: 14px;
}
.join-block ul li strong {
    color: var(--primary-deep);
    font-weight: 600;
}
.join-block .lead {
    color: var(--primary);
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 24px;
    padding: 20px 24px;
    background: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--accent-green);
}
.join-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.join-end {
    background: linear-gradient(120deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    text-align: center;
    padding: 50px 30px;
    border-radius: 14px;
    margin-top: 30px;
    box-shadow: var(--shadow-hover);
}
.join-end h3 {
    font-size: 30px;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: 2px;
}
.join-end p {
    font-size: 16px;
    color: #d8e6f5;
    margin-bottom: 24px;
    letter-spacing: 1px;
}
.join-end .btn-primary {
    background: var(--gold);
    color: var(--primary-deep);
    box-shadow: 0 6px 20px rgba(200,169,114,.4);
}
.join-end .btn-primary:hover {
    background: var(--gold-light);
    color: var(--primary-deep);
}

/* ===== 联系我们页 ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
}
.contact-info {
    background: #fff;
    border-radius: 14px;
    padding: 50px;
    box-shadow: var(--shadow-soft);
    border-top: 4px solid var(--accent-green);
}
.contact-info h3 {
    font-size: 26px;
    color: var(--primary-deep);
    margin-bottom: 36px;
    padding-bottom: 18px;
    border-bottom: 2px solid var(--border-light);
    position: relative;
}
.contact-info h3::after {
    content: '';
    position: absolute;
    left: 0; bottom: -2px;
    width: 80px;
    height: 2px;
    background: var(--accent-green);
}
.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 18px 0;
    border-bottom: 1px dashed var(--border-light);
}
.contact-list li:last-child { border-bottom: none; }
.contact-list .ci-icon {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(11, 74, 143, 0.25);
}
.contact-list .ci-text { flex: 1; padding-top: 4px; }
.contact-list .ci-text .label {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 4px;
    letter-spacing: 1px;
}
.contact-list .ci-text .val {
    font-size: 16px;
    color: var(--text-dark);
    font-weight: 500;
    word-break: break-all;
}
.contact-list .ci-text .val.phone { color: var(--accent-green); font-size: 22px; font-weight: 700; }

.contact-form {
    background: linear-gradient(135deg, #fff 0%, var(--bg-light) 100%);
    border-radius: 14px;
    padding: 50px;
    box-shadow: var(--shadow-soft);
}
.contact-form h3 {
    font-size: 24px;
    color: var(--primary-deep);
    margin-bottom: 28px;
}
.form-row { margin-bottom: 18px; }
.form-row label {
    display: block;
    color: var(--text-gray);
    font-size: 14px;
    margin-bottom: 6px;
    font-weight: 500;
}
.form-row input,
.form-row textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: all .25s;
    background: #fff;
}
.form-row input:focus,
.form-row textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(11, 74, 143, 0.1);
}
.form-row textarea { resize: vertical; min-height: 110px; }
.form-submit {
    width: 100%;
    padding: 14px;
    background: var(--accent-green);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all .3s;
    margin-top: 8px;
}
.form-submit:hover {
    background: var(--accent-green-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(46, 167, 106, 0.4);
}

.map-box {
    margin-top: 50px;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    background: var(--bg-light);
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--primary);
    position: relative;
    background-image:
        linear-gradient(45deg, #e3eaf3 25%, transparent 25%),
        linear-gradient(-45deg, #e3eaf3 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #e3eaf3 75%),
        linear-gradient(-45deg, transparent 75%, #e3eaf3 75%);
    background-size: 24px 24px;
    background-position: 0 0, 0 12px, 12px -12px, 12px 0;
}
.map-box .map-pin {
    background: #fff;
    padding: 24px 36px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(11, 74, 143, 0.2);
    border: 2px solid var(--accent-green);
}
.map-box .map-pin h4 { color: var(--primary-deep); font-size: 18px; margin-bottom: 6px; }
.map-box .map-pin p { color: var(--text-light); font-size: 14px; }

/* ===== 关于我们页 ===== */
.about-section {
    padding: 60px 0;
}
.about-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.about-wrap.reverse { direction: rtl; }
.about-wrap.reverse > * { direction: ltr; }
.about-text h3 {
    font-size: 30px;
    color: var(--primary-deep);
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.4;
}
.about-text h3 span { color: var(--accent-green); }
.about-text p {
    color: var(--text-gray);
    line-height: 1.95;
    margin-bottom: 14px;
    font-size: 15px;
}
.about-text ul {
    margin-top: 20px;
}
.about-text ul li {
    padding: 10px 0 10px 30px;
    position: relative;
    color: var(--text-gray);
}
.about-text ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 10px;
    color: var(--accent-green);
    font-weight: bold;
    font-size: 16px;
}
.about-img-box {
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    height: 380px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}
.about-img-box::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
    background-size: 30px 30px;
}
.about-img-box .ai-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 30px;
}
.about-img-box h4 {
    font-size: 30px;
    margin-bottom: 16px;
    color: var(--gold-light);
    letter-spacing: 4px;
}
.about-img-box p { color: #d8e6f5; line-height: 1.8; }
.culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 40px;
}
.culture-card {
    background: #fff;
    padding: 32px 22px;
    text-align: center;
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
    transition: all .3s;
}
.culture-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}
.culture-card .ci {
    width: 60px; height: 60px;
    background: var(--bg-light);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin: 0 auto 18px;
}
.culture-card h5 {
    color: var(--primary-deep);
    font-size: 18px;
    margin-bottom: 8px;
    font-weight: 700;
}
.culture-card p { color: var(--text-light); font-size: 13.5px; line-height: 1.7; }

/* ===== 底部 ===== */
.footer {
    background: linear-gradient(180deg, #073158 0%, #051e3a 100%);
    color: #b8cce0;
    padding: 70px 0 0;
    position: relative;
}
.footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-green), var(--primary), var(--gold));
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
    gap: 40px;
    padding-bottom: 50px;
}
.footer h5 {
    color: #fff;
    font-size: 17px;
    margin-bottom: 22px;
    font-weight: 600;
    position: relative;
    padding-bottom: 12px;
    letter-spacing: 1px;
}
.footer h5::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 32px;
    height: 2px;
    background: var(--accent-green);
}
.footer-brand p {
    color: #9eb4cb;
    font-size: 13.5px;
    line-height: 1.9;
    margin-top: 16px;
}
.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
}
.footer-brand .footer-logo img {
    height: 50px;
    background: #fff;
    padding: 4px;
    border-radius: 6px;
}
.footer-brand .footer-logo h4 {
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 1px;
}
.footer ul li {
    padding: 7px 0;
    font-size: 14px;
    color: #9eb4cb;
}
.footer ul li a { transition: padding .25s; }
.footer ul li a:hover { color: var(--gold-light); padding-left: 6px; }
.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    font-size: 13.5px;
}
.footer-contact .icon { color: var(--accent-green); flex-shrink: 0; margin-top: 3px; }
.footer-contact .phone { color: var(--gold-light); font-size: 18px; font-weight: 700; }

.copyright {
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 22px 0;
    text-align: center;
    color: #6e89a5;
    font-size: 13px;
    letter-spacing: 1px;
}
.copyright a { color: #9eb4cb; margin: 0 6px; }
.copyright a:hover { color: var(--gold-light); }

/* ===== 浮动工具栏 ===== */
.float-tools {
    position: fixed;
    right: 24px;
    bottom: 100px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.float-btn {
    width: 52px; height: 52px;
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,.08);
    transition: all .3s;
    position: relative;
}
.float-btn:hover {
    background: var(--primary);
    color: #fff;
    transform: translateX(-4px);
    border-color: var(--primary);
}
.float-btn .tip {
    position: absolute;
    right: 60px;
    background: var(--primary);
    color: #fff;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s;
}
.float-btn:hover .tip { opacity: 1; }
.float-btn.phone { background: var(--accent-green); color: #fff; border-color: var(--accent-green); }
.float-btn.phone:hover { background: var(--accent-green-dark); }
.float-btn.top { display: none; }
.float-btn.top.show { display: flex; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .banner { height: auto; padding: 60px 0; }
    .banner .container { grid-template-columns: 1fr; gap: 40px; }
    .banner-visual .ring { display: none; }
    .banner-visual .product { max-height: 360px; }
    .banner-text h2 { font-size: 38px; }
    .features, .product-categories, .culture-grid { grid-template-columns: repeat(2, 1fr); }
    .about-preview, .about-wrap, .contact-grid, .join-grid, .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .product-list { grid-template-columns: 1fr; }
    .nav { display: none; }
    .nav.open {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0; right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        padding: 12px 0;
        box-shadow: 0 6px 20px rgba(0,0,0,.1);
    }
    .nav.open li a { padding: 14px 24px; }
    .menu-toggle { display: block; }
    .header { position: relative; }
    .join-block, .contact-info, .contact-form { padding: 30px 22px; }
    .section { padding: 60px 0; }
    .section-title h3 { font-size: 30px; }
    .page-banner h2 { font-size: 32px; }
    .top-bar .container { flex-direction: column; height: auto; padding: 6px 20px; gap: 2px; }
    .header .container { height: 70px; }
    .logo img { height: 46px; }
    .logo-text h1 { font-size: 16px; }
    .logo-text p { font-size: 10px; }
}
@media (max-width: 640px) {
    .features, .product-categories, .culture-grid, .about-stats { grid-template-columns: 1fr; }
    .banner-text h2 { font-size: 30px; }
    .banner-text p.sub { font-size: 16px; }
    .footer-grid { grid-template-columns: 1fr; }
}