/* ========== 产品认证与专利页面样式 ========== */
/* 版本: v2.0.0 */
/* 最后修改时间: 2026-06-02 15:30:00 */

/* ========== 全局重置与公用样式 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background: #f5f7fa;
    color: #1e2f3b;
    line-height: 1.5;
}

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

html {
    scroll-behavior: smooth;
}

.cert-target {
    scroll-margin-top: 80px;
}

/* ========== Hero区域 ========== */
.hero-tech {
    background: linear-gradient(135deg, rgba(27,155,151,0.85), rgba(14,106,103,0.85)), url('/upload/202605/1777992624993684.png');
    background-size: cover, cover;
    background-position: center;
    color: white;
    padding: 60px 20px;
    text-align: center;
    border-radius: 0 0 24px 24px;
    margin-bottom: 40px;
}

.hero-tech h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.core-advantages {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-top: 20px;
}

.adv-card {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(4px);
    border-radius: 48px;
    padding: 10px 28px;
    font-weight: 600;
    font-size: 1.1rem;
    border: 1px solid rgba(255,255,255,0.3);
    transition: transform 0.2s;
    text-decoration: none;
    color: white;
}

.adv-card:hover {
    transform: translateY(-3px);
    background: rgba(255,255,255,0.25);
}

/* ========== 认证区块 ========== */
.cert-section {
    background: white;
    border-radius: 28px;
    margin: 40px auto;
    padding: 32px 24px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
    max-width: 1200px;
}

.section-title {
    text-align: center;
    margin-bottom: 32px;
}

.section-title h2 {
    font-size: 1.9rem;
    color: #1e2f3b;
    display: inline-block;
    border-bottom: 3px solid #1b9b97;
    padding-bottom: 10px;
}

.icon-grid-6 {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 28px 20px;
    justify-items: center;
    align-items: start;
}

.cert-icon-item {
    text-align: center;
    width: 100%;
    cursor: pointer;
}

.cert-icon-item img {
    max-width: 70px;
    max-height: 70px;
    object-fit: contain;
    margin-bottom: 12px;
}

.cert-icon-item p {
    font-size: 0.75rem;
    font-weight: 500;
    color: #2c4b5c;
    line-height: 1.4;
}

.cert-note {
    background: #f8fafc;
    border-radius: 28px;
    padding: 16px 24px;
    margin-top: 28px;
    font-size: 0.85rem;
    color: #5f7f8e;
    text-align: center;
}

/* ========== 获奖产品新版式 ========== */
.award-new-layout {
    max-width: 1200px;
    margin: 48px auto;
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.gov-list-left {
    flex: 0 0 25%;
    background: #fff;
    border-radius: 28px;
    padding: 28px 20px;
    text-align: center;
    box-shadow: 0 8px 20px rgba(0,0,0,0.04);
}

.gov-list-left img {
    max-width: 100px;
    margin-bottom: 20px;
}

.gov-list-left h4 {
    font-size: 1.3rem;
    color: #1f5e5c;
    margin: 15px 0;
}

.gov-links {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.gov-links a {
    display: inline-block;
    background: #ecf7f6;
    padding: 8px 16px;
    border-radius: 40px;
    text-decoration: none;
    color: #1b9b97;
    font-weight: 500;
    transition: 0.2s;
}

.gov-links a:hover {
    background: #d0ecea;
}

.right-awards {
    flex: 1;
    background: #fff;
    border-radius: 28px;
    padding: 24px 28px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.04);
}

.right-awards h3 {
    font-size: 1.6rem;
    color: #1e2f3b;
    margin-bottom: 24px;
    border-left: 5px solid #1b9b97;
    padding-left: 20px;
}

.award-cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.award-card-item {
    background: #fefaf5;
    border-radius: 20px;
    padding: 16px 12px;
    transition: 0.2s;
    border: 1px solid #f0e5d8;
    text-align: center;
}

.award-card-item img {
    width: 100%;
    max-height: 110px;
    object-fit: contain;
    margin-bottom: 12px;
    background: #fff;
    border-radius: 16px;
    padding: 6px;
}

.award-name {
    font-weight: 800;
    font-size: 0.9rem;
    color: #c17b3c;
    background: #f8e5d4;
    display: inline-block;
    padding: 2px 12px;
    border-radius: 30px;
    margin-bottom: 8px;
}

.award-year {
    font-size: 0.7rem;
    color: #8f6f48;
    margin: 5px 0;
}

.product-model {
    font-weight: 700;
    font-size: 0.9rem;
    color: #1e2f3b;
    margin: 6px 0 2px;
}

.product-desc {
    font-size: 0.75rem;
    color: #6b7c6e;
}

.award-org {
    font-size: 0.7rem;
    color: #7e6b55;
    margin: 6px 0;
    line-height: 1.3;
}

.award-link {
    display: inline-block;
    margin-top: 8px;
    font-size: 0.7rem;
    text-decoration: none;
    color: #1b9b97;
    font-weight: 500;
}

.bottom-note {
    width: 100%;
    margin-top: 24px;
    background: #eef3f0;
    border-radius: 28px;
    padding: 16px 20px;
    text-align: center;
    font-size: 0.85rem;
    color: #4f6f6c;
}

/* ========== 左右交替布局 ========== */
.two-col-section {
    max-width: 1200px;
    margin: 40px auto;
}

.two-col-row {
    display: flex;
    flex-wrap: wrap;
    background: #fff;
    border-radius: 32px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0,0,0,0.04);
}

.two-col-row.reverse {
    flex-direction: row-reverse;
}

.two-col-text {
    flex: 1;
    padding: 40px 32px;
}

.two-col-text h3 {
    font-size: 1.7rem;
    margin-bottom: 20px;
    color: #1b8c88;
    border-left: 5px solid #1b9b97;
    padding-left: 20px;
}

.two-col-text ul {
    padding-left: 24px;
    list-style-type: none;
}

.two-col-text li {
    margin-bottom: 14px;
    position: relative;
    padding-left: 20px;
}

.two-col-text li::before {
    content: "✔";
    color: #1b9b97;
    position: absolute;
    left: 0;
}

.two-col-images {
    flex: 1;
    padding: 40px 32px;
    background: #f9fbfd;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.two-col-images.single-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.single-image img {
    max-width: 100%;
    max-height: 280px;
    object-fit: contain;
    border-radius: 20px;
}

.icon-grid-3x4 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    width: 100%;
}

.icon-grid-3x4 img {
    max-width: 100%;
    max-height: 65px;
    object-fit: contain;
    justify-self: center;
}

/* ========== 插入语 ========== */
.cert-note-box {
    background: #f0f9f9;
    border-left: 4px solid #1b9b97;
    padding: 20px 24px;
    margin: 30px auto;
    border-radius: 16px;
    max-width: 1200px;
}

.cert-note-box p {
    color: #5f7f8e;
    font-size: 14px;
    line-height: 1.6;
}

.cert-note-box a {
    color: #1b9b97;
    font-weight: 500;
    text-decoration: none;
}

/* ========== 品质故事 ========== */
.product-story {
    max-width: 1200px;
    margin: 50px auto;
    background: white;
    border-radius: 32px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0,0,0,0.05);
}

.story-header {
    text-align: center;
    padding: 40px 20px 20px;
}

.story-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #1e2f3b;
}

.story-container {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    padding: 20px 40px 40px;
}

.story-images {
    flex: 1;
    text-align: center;
}

.story-images img {
    max-width: 240px;
    border-radius: 20px;
}

.img-caption {
    font-size: 0.85rem;
    color: #5f7f8e;
    margin-top: 10px;
}

.story-text {
    flex: 2;
}

.story-text h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #1b9b97;
}

.story-text p {
    margin-bottom: 15px;
    line-height: 1.6;
}

#story-content-wrapper {
    max-height: 380px;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

#story-content-wrapper.expanded {
    max-height: none;
}

#readMoreBtn {
    display: inline-block;
    background: transparent;
    color: #1b9b97;
    border: 1px solid #1b9b97;
    padding: 8px 24px;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    margin-top: 16px;
    transition: all 0.2s ease;
}

#readMoreBtn:hover {
    background: #1b9b97;
    color: white;
}

/* ========== FAQ样式 ========== */
.gibo-faq {
    max-width: 1000px;
    margin: 40px auto;
    background: white;
    border-radius: 28px;
    padding: 30px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
}

.gibo-faq h2 {
    font-size: 1.8rem;
    margin-bottom: 24px;
    text-align: center;
    color: #1e2f3b;
}

.faq-item {
    border-bottom: 1px solid #e2e8f0;
    margin-bottom: 8px;
}

.faq-question {
    font-weight: 600;
    font-size: 1.05rem;
    padding: 18px 12px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question:hover {
    background: #f8fafc;
}

.faq-icon {
    font-size: 1.2rem;
    font-weight: bold;
    color: #1b9b97;
}

.faq-answer {
    padding: 0 12px 20px 32px;
    color: #2d4a5e;
    line-height: 1.6;
    display: none;
}

/* ========== CTA表单 ========== */
.cta-download {
    max-width: 1000px;
    margin: 50px auto;
    background: linear-gradient(135deg, #f0f9f9, #ffffff);
    border-radius: 32px;
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    padding: 40px;
    box-shadow: 0 12px 28px rgba(0,0,0,0.08);
}

.cta-text {
    flex: 1;
}

.cta-text h3 {
    font-size: 1.6rem;
    margin-bottom: 16px;
    color: #1e2f3b;
}

.cta-text p {
    margin-bottom: 12px;
    color: #2f5a6b;
}

.cta-form {
    flex: 1;
}

.form-group {
    margin-bottom: 16px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #cbd5e0;
    border-radius: 48px;
    font-size: 0.95rem;
}

.form-group input:focus {
    outline: none;
    border-color: #1b9b97;
    box-shadow: 0 0 0 2px rgba(27,155,151,0.2);
}

.btn-primary {
    display: inline-block;
    background: #1b9b97;
    color: white;
    padding: 12px 28px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.2s;
    border: none;
    cursor: pointer;
    width: 100%;
}

.btn-primary:hover {
    background: #0e7a77;
    transform: translateY(-2px);
}

/* ========== 悬浮按钮 ========== */
.float-buttons {
    position: fixed;
    right: 20px;
    bottom: 100px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.float-btn {
    background: #1b9b97;
    color: white;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    transition: 0.2s;
}

.float-btn:hover {
    background: #0e7a77;
    transform: scale(1.05);
}

/* ========== 灯箱效果 ========== */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    cursor: pointer;
    backdrop-filter: blur(4px);
}

.lightbox-overlay img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 16px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
}

/* ========== 响应式适配 ========== */
@media (max-width: 1100px) {
    .award-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 860px) {
    .icon-grid-6 {
        grid-template-columns: repeat(4, 1fr);
    }
    .gov-list-left {
        flex: 0 0 100%;
    }
    .two-col-row, .two-col-row.reverse {
        flex-direction: column;
    }
    .hero-tech h1 {
        font-size: 1.8rem;
    }
    .adv-card {
        padding: 6px 18px;
        font-size: 0.9rem;
    }
}

@media (max-width: 600px) {
    .icon-grid-6 {
        grid-template-columns: repeat(3, 1fr);
    }
    .award-cards-grid {
        grid-template-columns: 1fr;
    }
    .cta-download {
        flex-direction: column;
        padding: 24px;
    }
    .story-container {
        flex-direction: column;
        padding: 20px;
    }
    .icon-grid-3x4 {
        grid-template-columns: repeat(2, 1fr);
    }
}