@charset "utf-8";
/* =========================================================
 * layout.css — 整站公共样式
 * 所有页面均应通过 <link rel="stylesheet" href="css/layout.css"> 引入
 * 仅放跨页面复用的：变量、reset、top-bar、navbar、footer、
 *                  弹窗、面包屑、page-banner、container、
 *                  section-title、cta-banner 公共部分、响应式
 * ========================================================= */

/* ---------- CSS 变量 ---------- */
:root {
    --color-dark-green: #2D4A33;
    --color-light-green: #A5C6A5;
    --color-beige: #F5F0E1;
    --color-orange: #E65C1E;
    --color-text-dark: #222222;
    --color-text-light: #ffffff;
    --border-radius: 4px;
}

/* ---------- 全局重置 ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', 'Helvetica', sans-serif;
}

body {
    background-color: var(--color-beige);
    color: var(--color-text-dark);
    line-height: 1.5;
}

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

a {text-decoration: none;color: inherit;}

/* =========================================================
 * 顶部公告栏 + 搜索 + Abfragen 按钮
 * ========================================================= */
.top-bar {
    background-color: var(--color-dark-green);
    color: #fff;
    font-size: 12px;
    padding: 8px 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-container {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon-btn {
    background: transparent;
    border: none;
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    transition: opacity 0.2s;
}
.search-icon-btn:hover { opacity: 0.8; }

.search-input-wrap {
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    margin-right: 10px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
.search-input-wrap.active { opacity: 1; visibility: visible; }

.search-input {
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    font-size: 12px;
    outline: none;
    width: 180px;
    background-color: #fff;
    color: #333;
}

.btn-abfragen {
    background-color: var(--color-orange);
    color: #fff;
    border: none;
    padding: 6px 12px;
    font-weight: bold;
    font-size: 13px;
    cursor: pointer;
    transition: opacity 0.2s;
}
.btn-abfragen:hover { opacity: 0.9; }

/* =========================================================
 * 导航栏
 * ========================================================= */
.navbar {
    margin: 0 auto;
    max-width: 1400px;
    background-color: var(--color-beige);
    padding: 15px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(45, 74, 51, 0.1);
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}



/* 汉堡按钮：默认隐藏，移动端展开 */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    z-index: 101;
    order: 2;
}
.hamburger span {
    width: 24px;
    height: 2.5px;
    background-color: var(--color-dark-green);
    border-radius: 2px;
    transition: all 0.3s ease;
}
.hamburger.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-menu { display: flex; gap: 12px; }

.nav-btn {
    border: 3px solid var(--color-dark-green);
    background: transparent;
    color: var(--color-dark-green);
    padding: 4px 10px;
    font-size: 15px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.2s;
    text-decoration: none;
    display: inline-block;
}
.nav-btn:hover,
.nav-btn.active {
    background: var(--color-dark-green);
    color: #fff;
}

.psi-badge {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    color: #2A70B8;
    flex-shrink: 0;
    order: 3;
}
.psi-badge strong { font-size: 20px; line-height: 1; }
.psi-badge span { font-size: 9px; }

/* =========================================================
 * 面包屑
 * ========================================================= */
.breadcrumb {
    padding: 15px 8%;
    font-size: 13px;
    color: #666;
    max-width: 1200px;
    margin: 0 auto;
}
.breadcrumb a {
    color: var(--color-dark-green);
    text-decoration: none;
}
.breadcrumb a:hover { text-decoration: underline; }

/* =========================================================
 * 页面横幅 / 标题区
 * （Used by: Individual, catalog, contact, service, productlist）
 * ========================================================= */
.page-banner {
    background-color: var(--color-dark-green);
    padding: 60px 8%;
    text-align: center;
}
.page-banner h1 {
    color: var(--color-light-green);
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 10px;
}
.page-banner p {
    color: #fff;
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.9;
}

/* =========================================================
 * 通用容器
 * ========================================================= */
.container {
    max-width: 1400px;
    margin: 30px auto;
}
section.related-products {
    margin: 50px 0;
    border-top: 2px solid #ddd;
}
.section-title {
    font-size: 28px;
    color: var(--color-dark-green);
    margin: 30px 0;
    font-weight: 700;
    text-align: center;
}
.section-title span { color: var(--color-orange); }

/* =========================================================
 * CTA 横幅
 * （Used by: Individual, catalog, contact, service, productlist, index）
 * ========================================================= */
.cta-banner {
    background-color: var(--color-dark-green);
    margin: 20px 8% 50px;
    padding: 25px 30px;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}
.cta-text h3,
.cta-text h4 {
    color: var(--color-light-green);
    font-size: 22px;
    margin-bottom: 8px;
}
.cta-text p {
    color: #fff;
    font-size: 14px;
}
.cta-text .bold {
    font-weight:bold
}
.btn-cta {
    background-color: var(--color-orange);
    color: #fff;
    border: none;
    padding: 12px 28px;
    border-radius: 25px;
    font-weight: bold;
    font-size: 15px;
    cursor: pointer;
    white-space: nowrap;
    transition: opacity 0.2s;
}
.btn-cta:hover { opacity: 0.9; }

/* =========================================================
 * 页脚
 * ========================================================= */
footer {
    background-color: var(--color-dark-green);
    color: #fff;
    padding: 40px 8% 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto 30px;
}

.footer-col h5 {
    font-size: 24px;
    margin-bottom: 12px;
    font-weight: bold;
}

.footer-col p,
.footer-col li {
    font-size: 14px;
    line-height: 1.8;
    list-style: none;
    color: #ddd;
}

.footer-col a {
    color: #ddd;
    text-decoration: none;
    transition: color 0.2s;
}
.footer-col a:hover { color: var(--color-orange); }

.bsci-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
}
.bsci-logo span { font-size: 10px; color: #ccc; }

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}
.social-links a { font-size: 16px; }

.copyright {
    text-align: center;
    font-size: 14px;
    color: #aaa;
    padding-top: 15px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* =========================================================
 * 询价弹窗
 * ========================================================= */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 999;
    padding: 20px;
}
.modal-overlay.active { display: flex; }

.modal-box {
    background: #fff;
    width: 500px;
    max-width: 100%;
    padding: 30px;
    border-radius: 6px;
    position: relative;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: translateY(-20px); }
    to   { opacity: 1; transform: translateY(0); }
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 15px;
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: #666;
    line-height: 1;
}

.modal-title {
    font-size: 22px;
    color: var(--color-dark-green);
    margin-bottom: 20px;
}

/* =========================================================
 * 表单公共样式
 * ========================================================= */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    color: #000000;
    font-weight: 500;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--color-dark-green);
}
.form-group textarea { min-height: 100px; resize: vertical; }

.btn-submit {
    background-color: var(--color-orange);
    color: #fff;
    border: none;
    padding: 11px 24px;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    width: 100%;
    margin-top: 5px;
    transition: opacity 0.2s;
    font-size: 14px;
}
.btn-submit:hover { opacity: 0.9; }

/* =========================================================
 * 响应式（公共断点）
 * ========================================================= */

/* 平板：≤ 992px */
@media (max-width: 992px) {
    .top-bar,
    .navbar,
    .page-banner,
    .container,
    .footer {
        padding-left: 5%;
        padding-right: 5%;
    }
    .footer { padding-bottom: 20px; }

    .navbar { flex-wrap: wrap; gap: 12px; }

    .nav-menu {
        order: 3;
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .cta-banner {
        flex-direction: column;
        text-align: center;
        align-items: center;
        /* margin-left: 5%; */
        /* margin-right: 5%; */
    }

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

    .page-banner p { max-width: 90%; }
}

/* 手机：≤ 768px — 切换汉堡菜单 */
@media (max-width: 768px) {
    .hamburger { display: flex; }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-beige);
        flex-direction: column;
        padding: 15px 5%;
        gap: 8px;
        border-bottom: 1px solid rgba(45, 74, 51, 0.15);
        box-shadow: 0 4px 8px rgba(0,0,0,0.05);
        width: 100%;
        z-index: 100;
    }
    .nav-menu.active { display: flex; }
    .nav-btn {
        width: 100%;
        text-align: left;
        padding: 10px 14px;
        font-size: 15px;
    }

    .top-bar {
        flex-direction: column;
        gap: 8px;
        text-align: center;
        font-size: 11px;
    }

    .search-input-wrap {
        position: static;
        transform: none;
        margin: 8px 0 0;
        width: 100%;
    }
    .search-input { width: 100%; }

    .page-banner h1 { font-size: 32px; }

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

/* 小屏：≤ 600px */
@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .bsci-logo,
    .social-links {
        justify-content: center;
    }
    .modal-box { padding: 22px; }
    .psi-badge strong { font-size: 16px; }
    .page-banner h1 { font-size: 26px; }
}
.form-list {
    display: flex;
}