/**
 * road-weather.htm — 仅页面特有样式（Tab / 解决方案 / CTA；亦供 renewable-resources、ocean 复用）
 * Banner 五档已上收：page-banner-standard.css
 */

/* ========== Tab：灰底 + 圆角标签 + 白面板（对齐 renewable-resources .rr-tab-*） ========== */
.rw-tab-section,
.rw-overview {
    padding: 72px 0;
    background-color: #f5f5f5;
}

.rw-tabs {
    max-width: 1480px;
    margin: 0 auto 32px;
    padding: 0 48px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    box-sizing: border-box;
}

.rw-tab {
    display: inline-block;
    padding: 12px 20px;
    font-size: 15px;
    color: #132a3e;
    background-color: #ffffff;
    border: 1px solid #ddd;
    border-radius: 8px;
    text-decoration: none;
    cursor: pointer;
}

.rw-tab:hover {
    border-color: #132a3e;
    color: #132a3e;
}

.rw-tab.active {
    background-color: #00233D;
    color: #ffffff;
    border-color: #00233D;
}

.rw-panels {
    max-width: 1480px;
    margin: 0 auto;
    padding: 0 48px;
    box-sizing: border-box;
}

.rw-panel {
    display: none;
    background-color: #ffffff;
    padding: 40px 40px 48px;
    border-radius: 8px;
    box-sizing: border-box;
}

.rw-panel.active {
    display: block;
}

.rw-panel-title {
    font-size: 28px;
    font-family: "HarmonyOS Sans SC Light";
    font-weight: normal;
    color: #132a3e;
    margin: 0 0 20px 0;
}

.rw-panel-figure {
    margin: 0 0 28px 0;
    text-align: center;
}

.rw-panel-figure img {
    display: inline-block;
    max-width: 100%;
    height: auto;
    max-height: 420px;
    object-fit: contain;
}

.rw-panel p {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    margin: 0 0 16px 0;
}

/* ========== 系统与解决方案（保留样式供其他页复用，如 renewable-resources） ========== */
.rw-solutions {
    padding: 72px 0;
    background-color: #ffffff;
}

.rw-solutions-inner {
    max-width: 1480px;
    margin: 0 auto;
    padding: 0 48px;
    box-sizing: border-box;
}

.rw-solutions-title {
    font-size: 32px;
    font-family: "HarmonyOS Sans SC Light";
    font-weight: normal;
    color: #132a3e;
    text-align: center;
    margin: 0 0 40px 0;
}

.rw-solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.rw-solution-card {
    background: #f5f5f5;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.rw-solution-card-img {
    width: 100%;
    overflow: hidden;
}

.rw-solution-card-img img {
    display: block;
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.rw-solution-card-title {
    font-size: 20px;
    font-family: "HarmonyOS Sans SC Light";
    font-weight: normal;
    color: #132a3e;
    margin: 20px 20px 12px;
}

.rw-solution-card-desc {
    font-size: 15px;
    line-height: 1.7;
    color: #555;
    margin: 0 20px 16px;
    flex: 1 1 auto;
}

.rw-solution-card-link {
    display: inline-block;
    margin: 0 20px 24px;
    font-size: 15px;
    color: #132a3e;
    text-decoration: none;
}

.rw-solution-card-link:hover {
    text-decoration: underline;
}

/* ========== 联系我们 CTA ========== */
.rw-contact {
    background-color: #001e2d;
    padding: 72px 0;
}

.rw-contact-inner {
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(24px, 4vw, 56px);
    box-sizing: border-box;
}

.rw-contact-img {
    flex: 1 1 0;
    min-width: 0;
    max-width: 780px;
}

.rw-contact-img img {
    display: block;
    width: 100%;
    max-width: 780px;
    height: auto;
    aspect-ratio: 780 / 440;
    object-fit: cover;
}

.rw-contact-text {
    flex: 1 1 0;
    min-width: 0;
    max-width: 780px;
    min-width: 0;
    color: #ffffff;
}

.rw-contact-title {
    font-size: 42px;
    font-family: "HarmonyOS Sans SC Light";
    font-weight: normal;
    margin: 0 0 16px 0;
    color: #ffffff;
    line-height: 1.2;
}

.rw-contact-text p {
    font-size: 18px;
    font-family: "HarmonyOS Sans SC Light";
    font-weight: normal;
    line-height: 1.7;
    margin: 0 0 24px 0;
    color: rgba(255, 255, 255, 0.95);
    max-width: 640px;
}

.rw-contact-btn {
    display: inline-block;
    padding: 12px 36px;
    font-size: 18px;
    color: #00233d;
    background-color: #00D4FF;
    border: 1px solid #00D4FF;
    border-radius: 999px;
    text-decoration: none;
}

.rw-contact-btn:hover {
    background-color: #33ddff;
    border-color: #33ddff;
    color: #00233d;
}

/* 文案：≤1679 用 --kyd-text-scale；≥1680 定稿 */
@media screen and (max-width: 1679px) {
    .rw-tab {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(15px * var(--kyd-text-scale, 1)));
    }

    .rw-panel-title {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(28px * var(--kyd-text-scale, 1)));
    }

    .rw-panel p {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(16px * var(--kyd-text-scale, 1)));
    }

    .rw-solutions-title {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(32px * var(--kyd-text-scale, 1)));
    }

    .rw-solution-card-title {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(20px * var(--kyd-text-scale, 1)));
    }

    .rw-solution-card-desc,
    .rw-solution-card-link {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(15px * var(--kyd-text-scale, 1)));
    }

    .rw-contact-title {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(42px * var(--kyd-text-scale, 1)));
    }

    .rw-contact-text p,
    .rw-contact-btn {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(18px * var(--kyd-text-scale, 1)));
    }
}

/* Large 1440～1679 */
@media screen and (min-width: 1440px) and (max-width: 1679px) {
    .rw-tabs,
    .rw-panels,
    .rw-solutions-inner {
        padding-left: 36px;
        padding-right: 36px;
    }

    .rw-contact-inner {
        padding-left: 36px;
        padding-right: 36px;
        gap: 48px;
    }
}

/* Mid 1025～1439 */
@media screen and (min-width: 1025px) and (max-width: 1439px) {
    .rw-tabs,
    .rw-panels,
    .rw-solutions-inner {
        padding-left: 28px;
        padding-right: 28px;
    }

    .rw-contact-inner {
        padding-left: 28px;
        padding-right: 28px;
        gap: 40px;
    }
}

/* Small 768～1024（原 ≤900 内边距 / 单列方案卡） */
@media screen and (min-width: 768px) and (max-width: 1024px) {
    .rw-tabs,
    .rw-panels,
    .rw-solutions-inner {
        padding-left: 24px;
        padding-right: 24px;
    }

    .rw-panel {
        padding: 28px;
    }

    .rw-solutions-grid {
        grid-template-columns: 1fr;
    }

    .rw-contact-inner {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 24px;
        padding-right: 24px;
        gap: 32px;
    }

    .rw-contact-img img {
        width: 100%;
        max-width: none;
        height: auto;
        aspect-ratio: 780 / 440;
    }
}

/* Phone ≤767 */
@media screen and (max-width: 767px) {
    .rw-tab-section,
    .rw-overview,
    .rw-solutions,
    .rw-contact {
        padding: 48px 0;
    }

    .rw-tabs,
    .rw-panels,
    .rw-solutions-inner {
        padding-left: 16px;
        padding-right: 16px;
    }

    .rw-panel {
        padding: 24px;
    }

    .rw-solutions-grid {
        grid-template-columns: 1fr;
    }

    .rw-contact-inner {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 16px;
        padding-right: 16px;
        gap: 24px;
    }

    .rw-contact-img img {
        width: 100%;
        max-width: none;
        height: auto;
        aspect-ratio: 780 / 440;
    }
}