轮播图板块4

web/dbzq.css

@@ -367,7 +367,7 @@ img {
     transform: translateX(-50%);
     width: 1200px;
     height: 105px;
-    background: rgba(255, 255, 255, 0.3);
+    background: #FDFDFD;
     box-sizing: border-box;
     z-index: 2;
     display: flex;
@@ -416,13 +416,231 @@ img {
     white-space: nowrap;
 }
 
+/* ========== 板块4 ========== */
+.block-4 {
+    position: absolute;
+    top: 614px;
+    left: 50%;
+    transform: translateX(-50%);
+    width: 1200px;
+    height: 400px;
+    background: #FDFDFD;
+    box-sizing: border-box;
+    z-index: 2;
+}
+
+.block-4 .block-4-logo {
+    position: absolute;
+    top: 2px;
+    right: 21px;
+    width: 64px;
+    height: 61px;
+    z-index: 3;
+}
+
+.block-4 .block-4-carousel {
+    position: absolute;
+    left: 14px;
+    top: 15px;
+    width: 616px;
+    height: 344px;
+    background: #d9d9d9;
+    overflow: hidden;
+}
+
+.block-4 .carousel-slide {
+    position: absolute;
+    inset: 0;
+    opacity: 0;
+    transition: opacity 0.4s ease;
+}
+
+.block-4 .carousel-slide.is-active {
+    opacity: 1;
+    z-index: 1;
+}
+
+.block-4 .carousel-slide img {
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+    background: #c5d0de;
+}
+
+.block-4 .carousel-slide:nth-child(2) img {
+    background: #b7c6d8;
+}
+
+.block-4 .carousel-slide:nth-child(3) img {
+    background: #a8bbd0;
+}
+
+.block-4 .carousel-slide p {
+    position: absolute;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    height: 40px;
+    margin: 0;
+    padding: 0 16px;
+    background: rgba(11, 64, 138, 0.72);
+    color: #fff;
+    font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
+    font-size: 16px;
+    font-weight: 400;
+    line-height: 40px;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+
+.block-4 .carousel-btn {
+    position: absolute;
+    top: 50%;
+    z-index: 2;
+    width: 28px;
+    height: 48px;
+    margin-top: -24px;
+    border: 0;
+    background: rgba(0, 0, 0, 0.35);
+    color: #fff;
+    font-size: 24px;
+    line-height: 48px;
+    cursor: pointer;
+}
+
+.block-4 .carousel-prev {
+    left: 0;
+}
+
+.block-4 .carousel-next {
+    right: 0;
+}
+
+.block-4 .carousel-dots {
+    position: absolute;
+    right: 12px;
+    bottom: 12px;
+    z-index: 2;
+    display: flex;
+    gap: 6px;
+}
+
+.block-4 .carousel-dots button {
+    width: 8px;
+    height: 8px;
+    padding: 0;
+    border: 0;
+    border-radius: 50%;
+    background: rgba(255, 255, 255, 0.55);
+    cursor: pointer;
+}
+
+.block-4 .carousel-dots button.is-active {
+    background: #fff;
+}
+
+.block-4 .block-4-tabs {
+    position: absolute;
+    left: 666px;
+    top: 25px;
+    display: flex;
+    gap: 8px;
+}
+
+.block-4 .block-4-tab {
+    width: 83px;
+    height: 22px;
+    padding: 0;
+    border: 0;
+    border-radius: 11px;
+    background: transparent;
+    cursor: pointer;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.block-4 .block-4-tab span {
+    width: 100%;
+    height: 22px;
+    font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
+    font-weight: 300;
+    font-size: 16px;
+    color: #7EA3CC;
+    line-height: 22px;
+    text-align: center;
+    font-style: normal;
+    text-transform: none;
+}
+
+.block-4 .block-4-tab.is-active {
+    background: #7EA3CC;
+}
+
+.block-4 .block-4-tab.is-active span {
+    color: #FFFFFF;
+}
+
+.block-4 .block-4-line {
+    position: absolute;
+    left: 659px;
+    top: 66px;
+    width: 523px;
+    height: 1px;
+    background: #6789B0;
+}
+
+.block-4 .block-4-panel {
+    display: none;
+}
+
+.block-4 .block-4-panel.is-active {
+    display: block;
+}
+
+.block-4 .block-4-item {
+    position: absolute;
+    left: 660px;
+    width: 495px;
+    height: 36px;
+    background: #D9D9D9;
+    display: flex;
+    align-items: center;
+    padding-left: 12px;
+    box-sizing: border-box;
+}
+
+.block-4 .block-4-item span {
+    width: 305px;
+    height: 16px;
+    font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
+    font-weight: 400;
+    font-size: 16px;
+    color: #414141;
+    line-height: 16px;
+    letter-spacing: 1px;
+    text-align: left;
+    font-style: normal;
+    text-transform: none;
+    white-space: nowrap;
+    overflow: hidden;
+}
+
+.block-4 .block-4-item:nth-child(1) { top: 73px; }
+.block-4 .block-4-item:nth-child(2) { top: 123px; }
+.block-4 .block-4-item:nth-child(3) { top: 173px; }
+.block-4 .block-4-item:nth-child(4) { top: 223px; }
+.block-4 .block-4-item:nth-child(5) { top: 273px; }
+.block-4 .block-4-item:nth-child(6) { top: 323px; }
+
 /* ========== Footer ========== */
 .footer {
     position: relative;
     width: 100%;
     height: 522px;
     background: url("assest/网站底部1600 1.png") center top / 100% 100% no-repeat;
-    margin-top: 120px;
+    margin-top: 540px;
     box-sizing: border-box;
 }
 

web/dbzq.html

@@ -147,6 +147,62 @@
         </ul>
     </section>
 
+    <!-- 板块4 -->
+    <section class="block-4">
+        <img class="block-4-logo" src="assest/新闻logo.png" alt="">
+        <div class="block-4-carousel">
+            <div class="carousel-slide is-active">
+                <img src="" alt="">
+                <p>海军某部开展实战化训练 锤炼制胜本领</p>
+            </div>
+            <div class="carousel-slide">
+                <img src="" alt="">
+                <p>东部战区海军某驱逐舰支队海上演训</p>
+            </div>
+            <div class="carousel-slide">
+                <img src="" alt="">
+                <p>海军航空兵某团组织跨昼夜飞行训练</p>
+            </div>
+            <button type="button" class="carousel-btn carousel-prev" aria-label="上一张">‹</button>
+            <button type="button" class="carousel-btn carousel-next" aria-label="下一张">›</button>
+            <div class="carousel-dots">
+                <button type="button" class="is-active" aria-label="第1张"></button>
+                <button type="button" aria-label="第2张"></button>
+                <button type="button" aria-label="第3张"></button>
+            </div>
+        </div>
+        <div class="block-4-tabs">
+            <button type="button" class="block-4-tab is-active" data-tab="0"><span>军政要闻</span></button>
+            <button type="button" class="block-4-tab" data-tab="1"><span>东海要闻</span></button>
+            <button type="button" class="block-4-tab" data-tab="2"><span>部队要闻</span></button>
+        </div>
+        <div class="block-4-line"></div>
+        <div class="block-4-panel is-active" data-panel="0">
+            <div class="block-4-item"><span>内容文字占位内容文字占位</span></div>
+            <div class="block-4-item"><span>内容文字占位内容文字占位</span></div>
+            <div class="block-4-item"><span>内容文字占位内容文字占位</span></div>
+            <div class="block-4-item"><span>内容文字占位内容文字占位</span></div>
+            <div class="block-4-item"><span>内容文字占位内容文字占位</span></div>
+            <div class="block-4-item"><span>内容文字占位内容文字占位</span></div>
+        </div>
+        <div class="block-4-panel" data-panel="1">
+            <div class="block-4-item"><span>内容文字占位内容文字占位</span></div>
+            <div class="block-4-item"><span>内容文字占位内容文字占位</span></div>
+            <div class="block-4-item"><span>内容文字占位内容文字占位</span></div>
+            <div class="block-4-item"><span>内容文字占位内容文字占位</span></div>
+            <div class="block-4-item"><span>内容文字占位内容文字占位</span></div>
+            <div class="block-4-item"><span>内容文字占位内容文字占位</span></div>
+        </div>
+        <div class="block-4-panel" data-panel="2">
+            <div class="block-4-item"><span>内容文字占位内容文字占位</span></div>
+            <div class="block-4-item"><span>内容文字占位内容文字占位</span></div>
+            <div class="block-4-item"><span>内容文字占位内容文字占位</span></div>
+            <div class="block-4-item"><span>内容文字占位内容文字占位</span></div>
+            <div class="block-4-item"><span>内容文字占位内容文字占位</span></div>
+            <div class="block-4-item"><span>内容文字占位内容文字占位</span></div>
+        </div>
+    </section>
+
     <!-- 板块：Footer -->
     <footer class="footer">
         <a class="footer-link footer-link-stats" href="javascript:;">信息统计</a>
@@ -264,6 +320,70 @@
             </div>
         </div>
     </footer>
+    <script>
+        (function () {
+            var root = document.querySelector(".block-4-carousel");
+            if (!root) return;
+            var slides = root.querySelectorAll(".carousel-slide");
+            var dots = root.querySelectorAll(".carousel-dots button");
+            var index = 0;
+            var timer = null;
+
+            function show(next) {
+                index = (next + slides.length) % slides.length;
+                slides.forEach(function (slide, i) {
+                    slide.classList.toggle("is-active", i === index);
+                });
+                dots.forEach(function (dot, i) {
+                    dot.classList.toggle("is-active", i === index);
+                });
+            }
+
+            function start() {
+                stop();
+                timer = setInterval(function () {
+                    show(index + 1);
+                }, 4000);
+            }
+
+            function stop() {
+                if (timer) clearInterval(timer);
+            }
+
+            root.querySelector(".carousel-prev").addEventListener("click", function () {
+                show(index - 1);
+                start();
+            });
+            root.querySelector(".carousel-next").addEventListener("click", function () {
+                show(index + 1);
+                start();
+            });
+            dots.forEach(function (dot, i) {
+                dot.addEventListener("click", function () {
+                    show(i);
+                    start();
+                });
+            });
+            root.addEventListener("mouseenter", stop);
+            root.addEventListener("mouseleave", start);
+            start();
+        })();
+        (function () {
+            var tabs = document.querySelectorAll(".block-4-tab");
+            var panels = document.querySelectorAll(".block-4-panel");
+            tabs.forEach(function (tab) {
+                tab.addEventListener("click", function () {
+                    var index = tab.getAttribute("data-tab");
+                    tabs.forEach(function (item) {
+                        item.classList.toggle("is-active", item === tab);
+                    });
+                    panels.forEach(function (panel) {
+                        panel.classList.toggle("is-active", panel.getAttribute("data-panel") === index);
+                    });
+                });
+            });
+        })();
+    </script>
 </body>
 
 </html>