/* ==================== 全局样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: #eef2f5;
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    line-height: 1.5;
    color: #1a2c3e;
    padding: 2rem 1rem;
}

.doc-container {
    max-width: 1280px;
    margin: 0 auto;
    background: white;
    border-radius: 28px;
    box-shadow: 0 20px 35px -12px rgba(0,0,0,0.15);
    padding: 2rem 2rem 2.5rem;
    transition: all 0.2s;
}

@media print {
    body {
        background: white;
        padding: 0;
    }
    .doc-container {
        box-shadow: none;
        padding: 0.8rem;
    }
    .qr-code-area,
    .lang-selector {
        display: none;
    }
}

/* 头部区域 */
.header-main {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 0.5rem;
}

.header-left {
    flex: 1;
    min-width: 200px;
}

.qr-wrapper {
    flex-shrink: 0;
    text-align: right;
}

.qr-code-area {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    background: #ffffff;
    border-radius: 16px;
    padding: 8px 10px 10px 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    border: 1px solid #e2edf2;
}

.qr-code-area img {
    width: 2.16cm;
    height: 2.16cm;
    border-radius: 8px;
    object-fit: contain;
}

.qr-label {
    font-size: 0.7rem;
    color: #1f7b60;
    margin-top: 6px;
    font-weight: 600;
    background: #eff7f3;
    padding: 2px 8px;
    border-radius: 30px;
}

.lang-selector {
    background: white;
    border-radius: 40px;
    border: 1px solid #cbdde6;
    padding: 0.3rem 0.8rem;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    color: #1f5e4b;
    min-width: 200px;
}

.subhead {
    color: #2c5a4a;
    border-bottom: 2px solid #cbdde6;
    padding-bottom: 0.75rem;
    margin-bottom: 1.8rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

/* 标题样式 */
h1 {
    font-size: 1.9rem;
    font-weight: 700;
    color: #0b3b2f;
    border-left: 6px solid #2e7d64;
    padding-left: 1rem;
    margin-bottom: 0.6rem;
}

.h1-sub {
    font-size: 1.3rem;
    font-weight: 500;
    display: inline-block;
    color: #2c5a4a;
}

h2 {
    font-size: 1.5rem;
    margin-top: 1.8rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: #1d5a48;
    border-bottom: 2px solid #d4e2e9;
    padding-bottom: 0.3rem;
}

h3 {
    font-size: 1.25rem;
    margin: 1.2rem 0 0.7rem 0;
    font-weight: 600;
    color: #1d4e3f;
}

/* 左右布局 */
.two-column-layout {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin: 1rem 0;
}

.left-col {
    flex: 1;
    min-width: 260px;
}

.right-col {
    flex: 1;
    min-width: 260px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* 卡片样式 */
.info-card {
    background: #f8fafc;
    border-radius: 20px;
    padding: 1.2rem 1.5rem;
    border: 1px solid #e2edf2;
    height: fit-content;
}

.spec-list {
    list-style: none;
    padding: 0;
}

.spec-list li {
    padding: 0.4rem 0;
    border-bottom: 1px dashed #d0e0e8;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.spec-label {
    font-weight: 700;
    width: 180px;
    color: #1c5a48;
}

.spec-value {
    flex: 1;
    color: #1f2f3a;
}

.brand-value {
    word-break: break-word;
    white-space: normal;
    display: inline-block;
}

/* 表格样式 */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
}

th,
td {
    border: 1px solid #cfe2ea;
    padding: 0.7rem 1rem;
    text-align: left;
    vertical-align: top;
}

th {
    background: #e6f0f4;
    font-weight: 700;
    color: #124e3e;
}

/* 警告框 */
.warning-box,
.caution-box {
    border-radius: 20px;
    padding: 1.2rem 1.5rem;
    margin: 1.2rem 0;
    background: #fff7e5;
    border-left: 6px solid #e67e22;
}

.caution-box {
    background: #fff1f0;
    border-left-color: #c0392b;
}

.warning-icon {
    font-weight: 800;
    font-size: 1.1rem;
    margin-right: 0.5rem;
}

.list-bullet {
    padding-left: 1.5rem;
    margin: 0.7rem 0;
}

.list-bullet li {
    margin: 0.5rem 0;
}

/* 合规徽章 */
.compliance-badge {
    background: #e2f0ea;
    padding: 0.8rem 1.2rem;
    border-radius: 18px;
    font-size: 0.9rem;
    margin: 1rem 0;
    border: 1px solid #bdd9cf;
}

hr {
    margin: 1.2rem 0;
    border: none;
    height: 1px;
    background: linear-gradient(to right, #cce0e8, transparent);
}

footer {
    margin-top: 2rem;
    padding-top: 1rem;
    text-align: center;
    font-size: 0.75rem;
    color: #5b7f8c;
    border-top: 1px solid #d4e2e9;
}

a {
    color: #1f7b60;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* 响应式 */
@media (max-width: 680px) {
    .doc-container {
        padding: 1.2rem;
    }
    .spec-label {
        width: 120px;
    }
    h1 {
        font-size: 1.5rem;
    }
    .h1-sub {
        font-size: 1rem;
        display: block;
        margin-top: 0.2rem;
    }
    .header-main {
        flex-direction: column;
        align-items: stretch;
    }
    .qr-wrapper {
        text-align: center;
        display: flex;
        justify-content: center;
    }
    .lang-selector {
        width: 100%;
        margin-top: 8px;
    }
    .two-column-layout {
        flex-direction: column;
    }
    .marking-icons img,
    .warning-icon-right img {
        width: 2cm;
    }
}

/* 其他辅助样式 */
.lang-switch-area {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
    margin-bottom: 1rem;
}

.perf-table-note {
    font-size: 0.85rem;
    margin-top: 0.5rem;
    padding: 0.5rem 0;
    color: #2c5a4a;
    background: #f9fbfd;
    border-left: 3px solid #2e7d64;
    padding-left: 1rem;
}

.marking-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: center;
    justify-content: flex-start;
    margin: 1rem 0 1.5rem;
    background: #f9fdfe;
    padding: 1rem;
    border-radius: 24px;
    border: 1px solid #e2edf2;
}

.marking-icons .icon-item {
    text-align: center;
    min-width: 100px;
}

.marking-icons img {
    width: 4cm;
    height: auto;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.eu-representative-card {
    background: #f8fafc;
    border-radius: 20px;
    padding: 1.2rem 1.5rem;
    border: 1px solid #e2edf2;
}

.eu-representative-card h3 {
    margin-top: 0;
}

.spec-list-eu {
    list-style: none;
    padding: 0;
}

.spec-list-eu li {
    padding: 0.4rem 0;
    border-bottom: 1px dashed #d0e0e8;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.spec-label-eu {
    font-weight: 700;
    width: 150px;
    color: #1c5a48;
}

.battery-warning-blackbox {
    background-color: #000000;
    border-radius: 16px;
    padding: 1.5rem;
    margin: 1rem 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    color: #ffffff;
}

.warning-text-section {
    flex: 2;
    min-width: 200px;
}

.warning-text-section .warning-head {
    background-color: #ffcc00;
    color: #000000;
    display: inline-block;
    padding: 0.2rem 1rem;
    font-weight: bold;
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
    border-radius: 8px;
}

.warning-text-section .warning-head i {
    color: #000000;
    margin-right: 0.5rem;
}

.warning-text-section .keep-out {
    font-weight: bold;
    font-size: 1.2rem;
    margin: 0.5rem 0;
    background: white;
    color: black;
    display: inline-block;
    padding: 0.1rem 0.8rem;
    border-radius: 6px;
}

.warning-text-section .warning-desc {
    font-size: 0.9rem;
    line-height: 1.4;
    color: #eeeeee;
    background: white;
    color: black;
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    display: inline-block;
}

.warning-icon-right {
    flex: 0 0 auto;
}

.warning-icon-right img {
    width: 5cm;
    height: auto;
    display: block;
}

@media (max-width: 680px) {
    .battery-warning-blackbox {
        flex-direction: column;
        align-items: flex-start;
    }
    .warning-icon-right {
        align-self: center;
    }
    .marking-icons img {
        width: 2cm;
    }
}

.file-links {
    margin: 1rem 0 1.5rem;
    background: #f1f6f9;
    padding: 1rem;
    border-radius: 20px;
}

.file-links a {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.symbol-row {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1rem 0;
}

.symbol-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.symbol-icon {
    flex-shrink: 0;
    width: 60px;
    text-align: center;
}

.symbol-icon img {
    max-width: 50px;
    max-height: 50px;
}

.symbol-text {
    flex: 1;
}

.qr-code-area {
    display: flex;
    flex-direction: column;
    align-items: center;    /* 水平居中 */
    justify-content: center; /* 垂直居中（可选） */
}

#qrCodeContainer {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;         /* 水平居中 */
}