style: 更新网站整体样式为浅红色主题

将PortalLayout.vue和HomeView.vue的配色方案从深蓝央企风格更新为浅红色主题：
- 顶部条/页脚：#8B4545 (深玫瑰棕)
- 主导航渐变：#C17A7A -> #A85555 (柔和玫瑰色)
- 页面背景：#FBF5F5 (极浅粉)
- 主要按钮/图标：#E57373 (浅红色)
- 次要强调：#EF9A9A (更浅粉红)
- 辅助色：#D4A95D (暖金色)

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

offer_frontend/src/layouts/PortalLayout.vue

@@ -112,14 +112,14 @@ a { text-decoration: none; }
   min-height: 100vh;
   display: flex;
   flex-direction: column;
-  background: #F0EDE8;
+  background: #FBF5F5;
   font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
 }
 
 /* 顶部公告条 */
 .top-bar {
-  background: #0E1E3D;
+  background: #8B4545;
-  color: rgba(255,255,255,0.65);
+  color: rgba(255,255,255,0.75);
   font-size: 12px;
   letter-spacing: 0.05em;
 }
@@ -144,8 +144,8 @@ a { text-decoration: none; }
 
 /* 主导航 */
 .main-header {
-  background: linear-gradient(180deg, #12264F 0%, #0E1E3D 100%);
+  background: linear-gradient(180deg, #C17A7A 0%, #A85555 100%);
-  box-shadow: 0 4px 20px rgba(14,30,61,0.4);
+  box-shadow: 0 4px 20px rgba(168,85,85,0.3);
   position: sticky;
   top: 0;
   z-index: 100;
@@ -243,8 +243,8 @@ a { text-decoration: none; }
 .btn-ghost:hover { border-color: #C8973A; color: #C8973A; }
 .btn-primary {
   padding: 7px 20px;
-  background: #B5272C;
+  background: #E57373;
-  border: 1px solid #B5272C;
+  border: 1px solid #E57373;
   color: #fff;
   border-radius: 3px;
   font-size: 13px;
@@ -254,7 +254,7 @@ a { text-decoration: none; }
   font-weight: 600;
   font-family: inherit;
 }
-.btn-primary:hover { background: #9A2024; border-color: #9A2024; }
+.btn-primary:hover { background: #E86C6C; border-color: #E86C6C; }
 .user-badge {
   display: flex; align-items: center; gap: 8px;
   padding: 6px 14px;
@@ -272,10 +272,10 @@ a { text-decoration: none; }
 .user-name { color: rgba(255,255,255,0.85); font-size: 13px; }
 
 /* 红色底线装饰 */
-.header-underline { height: 3px; background: #0E1E3D; }
+.header-underline { height: 3px; background: #8B4545; }
 .underline-fill {
   height: 100%;
-  background: linear-gradient(90deg, #B5272C 0%, #E63329 40%, #C8973A 100%);
+  background: linear-gradient(90deg, #E57373 0%, #EF9A9A 40%, #D4A95D 100%);
 }
 
 /* 内容区 */
@@ -289,8 +289,8 @@ a { text-decoration: none; }
 
 /* 页脚 */
 .portal-footer {
-  background: #0E1E3D;
+  background: #8B4545;
-  border-top: 3px solid #B5272C;
+  border-top: 3px solid #E57373;
   padding: 20px 0;
 }
 .footer-inner {

offer_frontend/src/views/portal/HomeView.vue

@@ -186,7 +186,7 @@
             <div class="content-section">
               <div class="section-heading"><span class="heading-bar"></span>工作地点</div>
               <div class="location-row">
-                <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="#B5272C" stroke-width="2"><path d="M21 10c0 7-9 13-9 13s-9-6-9-13a9 9 0 0 1 18 0z"/><circle cx="12" cy="10" r="3"/></svg>
+                <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="#E57373" stroke-width="2"><path d="M21 10c0 7-9 13-9 13s-9-6-9-13a9 9 0 0 1 18 0z"/><circle cx="12" cy="10" r="3"/></svg>
                 {{ selectedJob.location }}
               </div>
             </div>
@@ -210,7 +210,7 @@
               </div>
               <div class="cc-divider"></div>
               <div class="cc-contact" v-if="selectedJob.organization?.email">
-                <svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="#B5272C" stroke-width="2"><path d="M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z"/><polyline points="22,6 12,13 2,6"/></svg>
+                <svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="#E57373" stroke-width="2"><path d="M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z"/><polyline points="22,6 12,13 2,6"/></svg>
                 {{ selectedJob.organization.email }}
               </div>
               <button class="btn-apply-card" :class="{ loading: applying }" @click="handleApply">
@@ -225,7 +225,7 @@
       <template v-else>
         <div class="state-tip full-tip">
           <div class="empty-icon">
-            <svg width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="#C8973A" stroke-width="1.5"><rect x="2" y="3" width="20" height="14" rx="2"/><line x1="8" y1="21" x2="16" y2="21"/><line x1="12" y1="17" x2="12" y2="21"/></svg>
+            <svg width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="#D4A95D" stroke-width="1.5"><rect x="2" y="3" width="20" height="14" rx="2"/><line x1="8" y1="21" x2="16" y2="21"/><line x1="12" y1="17" x2="12" y2="21"/></svg>
           </div>
           <p>请从左侧选择企业及职位</p>
         </div>
@@ -333,14 +333,14 @@ onMounted(async () => {
 <style scoped>
 /* ── 变量 ── */
 .three-panel {
-  --red: #B5272C;
+  --red: #E57373;
-  --dark: #0E1E3D;
+  --dark: #8B4545;
-  --gold: #C8973A;
+  --gold: #D4A95D;
-  --gold-lt: #F0D080;
+  --gold-lt: #E8C573;
-  --cream: #FAF7F3;
+  --cream: #FBF5F5;
-  --border: #E5DDD5;
+  --border: #E8DDD8;
-  --text: #1A1A2E;
+  --text: #2A1A1A;
-  --muted: #7A8094;
+  --muted: #8B6B6B;
 
   display: flex;
   height: calc(100vh - 220px);
@@ -348,7 +348,7 @@ onMounted(async () => {
   overflow: hidden;
   border-radius: 6px;
   border: 1px solid var(--border);
-  box-shadow: 0 4px 24px rgba(14,30,61,0.12);
+  box-shadow: 0 4px 24px rgba(139,69,69,0.12);
   font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
 }
 
@@ -417,7 +417,7 @@ onMounted(async () => {
 .org-avatar img { width: 100%; height: 100%; object-fit: cover; }
 .child-avatar {
   width: 28px; height: 28px; font-size: 12px;
-  background: linear-gradient(135deg, #3D5A8A, #1E3460);
+  background: linear-gradient(135deg, #C8A080, #9A7860);
 }
 .org-meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
 .org-name {
@@ -506,14 +506,14 @@ onMounted(async () => {
 /* Banner */
 .detail-banner {
   position: relative;
-  background: linear-gradient(135deg, #0E1E3D 0%, #1A2E56 50%, #1C1C3A 100%);
+  background: linear-gradient(135deg, #8B4545 0%, #A85555 50%, #9A4C4C 100%);
   overflow: hidden;
 }
 .banner-deco {
   position: absolute; inset: 0;
   background:
-    repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(200,151,58,0.03) 20px, rgba(200,151,58,0.03) 21px),
+    repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(212,169,93,0.03) 20px, rgba(212,169,93,0.03) 21px),
-    repeating-linear-gradient(-45deg, transparent, transparent 20px, rgba(200,151,58,0.03) 20px, rgba(200,151,58,0.03) 21px);
+    repeating-linear-gradient(-45deg, transparent, transparent 20px, rgba(212,169,93,0.03) 20px, rgba(212,169,93,0.03) 21px);
 }
 .banner-content {
   position: relative;
@@ -527,8 +527,8 @@ onMounted(async () => {
 .banner-category {
   display: inline-block;
   padding: 3px 12px;
-  background: rgba(200,151,58,0.15);
+  background: rgba(212,169,93,0.15);
-  border: 1px solid rgba(200,151,58,0.35);
+  border: 1px solid rgba(212,169,93,0.35);
   color: var(--gold-lt);
   font-size: 11px; letter-spacing: 0.1em;
   border-radius: 2px; margin-bottom: 10px;
@@ -557,13 +557,13 @@ onMounted(async () => {
   display: flex; align-items: center; gap: 6px;
   padding: 9px 18px;
   background: transparent;
-  border: 1px solid rgba(200,151,58,0.5);
+  border: 1px solid rgba(212,169,93,0.5);
   color: var(--gold-lt);
   border-radius: 3px; font-size: 13px;
   cursor: pointer; transition: all 0.2s;
   font-family: inherit;
 }
-.btn-collect:hover { background: rgba(200,151,58,0.1); border-color: var(--gold); }
+.btn-collect:hover { background: rgba(212,169,93,0.1); border-color: var(--gold); }
 .btn-apply {
   padding: 9px 24px;
   background: var(--red);
@@ -572,9 +572,9 @@ onMounted(async () => {
   cursor: pointer; transition: all 0.2s;
   letter-spacing: 0.05em;
   font-family: inherit;
-  box-shadow: 0 4px 16px rgba(181,39,44,0.4);
+  box-shadow: 0 4px 16px rgba(229,115,115,0.4);
 }
-.btn-apply:hover { background: #9A1F23; box-shadow: 0 6px 20px rgba(181,39,44,0.5); }
+.btn-apply:hover { background: #E86C6C; box-shadow: 0 6px 20px rgba(229,115,115,0.5); }
 .btn-apply.loading { opacity: 0.7; cursor: not-allowed; }
 .banner-hint { font-size: 12px; color: rgba(255,255,255,0.4); margin-top: 8px; }
 .banner-hint.success { color: #6FCF97; }
@@ -591,7 +591,7 @@ onMounted(async () => {
   background: #fff;
   border-radius: 6px;
   padding: 24px 28px;
-  box-shadow: 0 2px 12px rgba(14,30,61,0.07);
+  box-shadow: 0 2px 12px rgba(139,69,69,0.07);
   border: 1px solid var(--border);
 }
 .detail-right { width: 224px; flex-shrink: 0; }
@@ -643,7 +643,7 @@ onMounted(async () => {
   background: #fff;
   border-radius: 6px;
   padding: 18px;
-  box-shadow: 0 2px 12px rgba(14,30,61,0.07);
+  box-shadow: 0 2px 12px rgba(139,69,69,0.07);
   border: 1px solid var(--border);
 }
 .company-card-label {
@@ -655,7 +655,7 @@ onMounted(async () => {
 .cc-logo {
   width: 48px; height: 48px;
   border-radius: 8px; overflow: hidden; flex-shrink: 0;
-  background: linear-gradient(135deg, #C8973A, #9A6E28);
+  background: linear-gradient(135deg, #D4A95D, #B08C3A);
   display: flex; align-items: center; justify-content: center;
   font-size: 20px; font-weight: 900; color: #fff;
   border: 1px solid var(--border);
@@ -677,7 +677,7 @@ onMounted(async () => {
   transition: background 0.2s;
   font-family: inherit; letter-spacing: 0.05em;
 }
-.btn-apply-card:hover { background: #9A1F23; }
+.btn-apply-card:hover { background: #E86C6C; }
 .btn-apply-card.loading { opacity: 0.7; cursor: not-allowed; }
 .apply-success { text-align: center; font-size: 12px; color: #27AE60; margin-top: 8px; }
 
@@ -691,7 +691,7 @@ onMounted(async () => {
 .empty-icon { opacity: 0.5; }
 .detail-loading { padding: 24px 28px; }
 .skeleton-row {
-  height: 14px; background: linear-gradient(90deg, #E8E0D8 25%, #F0E8E0 50%, #E8E0D8 75%);
+  height: 14px; background: linear-gradient(90deg, #EDE3DE 25%, #F5EDED 50%, #EDE3DE 75%);
   background-size: 200% 100%;
   border-radius: 3px; margin-bottom: 10px;
   animation: shimmer 1.5s infinite;