diff --git a/offer_frontend/src/views/SplashView.vue b/offer_frontend/src/views/SplashView.vue
index d6731ab..aeb48b9 100644
--- a/offer_frontend/src/views/SplashView.vue
+++ b/offer_frontend/src/views/SplashView.vue
@@ -1,524 +1,283 @@
 <template>
-  <div class="splash-page">
-    <!-- 顶部导航 -->
-    <header class="splash-header">
+  <div class="splash">
+    <!-- 红头细线 -->
+    <div class="top-rule"></div>
+
+    <!-- 顶栏 -->
+    <header class="site-header">
       <div class="header-inner">
-        <div class="logo">
-          <div class="logo-icon">招</div>
-          <div class="logo-text">
-            <span class="logo-title">集团招聘平台</span>
-            <span class="logo-en">GROUP TALENT RECRUITMENT</span>
-          </div>
-        </div>
-        <nav class="header-nav">
-          <span class="nav-item" @click="router.push('/home')">首页</span>
-          <span class="nav-item" @click="router.push('/companies')">公司介绍</span>
+        <router-link to="/home" class="brand">
+          <span class="brand-mark">招</span>
+          <span class="brand-text">
+            <span class="brand-cn">集团招聘平台</span>
+            <span class="brand-en">GROUP TALENT RECRUITMENT</span>
+          </span>
+        </router-link>
+        <nav class="site-nav">
+          <router-link to="/home" class="nav-item">首页</router-link>
+          <router-link to="/companies" class="nav-item">公司介绍</router-link>
         </nav>
-        <div class="header-actions">
-          <button class="btn-outline" @click="router.push('/login')">登录</button>
-          <button class="btn-solid" @click="router.push('/register')">立即注册</button>
+        <div class="header-cta">
+          <router-link to="/login" class="btn-line">登录</router-link>
+          <router-link to="/register" class="btn-fill">立即注册</router-link>
         </div>
       </div>
     </header>
 
-    <!-- 英雄区 -->
+    <!-- Hero -->
     <section class="hero">
-      <div class="hero-bg">
-        <div class="hero-overlay"></div>
-        <!-- 建筑风格装饰线条 -->
-        <div class="building-lines">
-          <div class="line l1"></div>
-          <div class="line l2"></div>
-          <div class="line l3"></div>
-          <div class="line l4"></div>
-          <div class="line l5"></div>
-          <div class="line l6"></div>
-          <div class="line l7"></div>
-          <div class="line l8"></div>
+      <div class="hero-inner">
+        <div class="hero-left">
+          <div class="eyebrow"><span class="eb-rule"></span>2026届校园招聘</div>
+          <h1 class="hero-title">人才创造<br/>美好未来</h1>
+          <p class="hero-sub">与优秀的人一起，做有价值的事 —— 集团诚邀应届毕业生加盟，共筑国之大业。</p>
+          <div class="hero-actions">
+            <router-link to="/companies" class="btn-fill lg">一键进入<span class="arr">→</span></router-link>
+            <router-link to="/register" class="btn-line lg">立即投递</router-link>
+          </div>
+          <div class="hero-mini-stats">
+            <div class="ms"><b>500+</b><span>招聘职位</span></div>
+            <div class="ms"><b>30+</b><span>城市布局</span></div>
+            <div class="ms"><b>28+</b><span>成员企业</span></div>
+          </div>
         </div>
-        <!-- 光晕效果 -->
-        <div class="hero-glow"></div>
-      </div>
-      <div class="hero-content">
-        <div class="hero-badge">2026届校园招聘</div>
-        <h1 class="hero-slogan">人才创造美好未来</h1>
-        <p class="hero-sub">与优秀的人一起，做有价值的事</p>
-        <div class="hero-btns">
-          <button class="btn-primary-lg" @click="router.push('/companies')">
-            一键进入
-            <span class="btn-arrow">→</span>
-          </button>
-          <button class="btn-secondary-lg" @click="router.push('/register')">
-            立即投递
-          </button>
-        </div>
-      </div>
-      <!-- 滚动指示 -->
-      <div class="scroll-hint">
-        <span>向下探索</span>
-        <div class="scroll-arrow">↓</div>
+
+        <aside class="bulletin">
+          <div class="bulletin-head">
+            <span class="bh-cn">招聘公告</span>
+            <span class="bh-en">RECRUITMENT NOTICE</span>
+          </div>
+          <div class="bulletin-body">
+            <div class="bl-row">
+              <div class="bl-num">500<span>+</span></div>
+              <div class="bl-label">招聘职位<small>覆盖集团全业务线</small></div>
+            </div>
+            <div class="bl-row">
+              <div class="bl-num">10000<span>+</span></div>
+              <div class="bl-label">在职员工<small>央企规模 稳健发展</small></div>
+            </div>
+            <div class="bl-row">
+              <div class="bl-num">30<span>+</span></div>
+              <div class="bl-label">城市布局<small>全国多地工作机会</small></div>
+            </div>
+            <div class="bl-row">
+              <div class="bl-num">28<span>+</span></div>
+              <div class="bl-label">成员企业<small>协同发展 多元赛道</small></div>
+            </div>
+          </div>
+          <div class="bulletin-foot">为国家建设输送优秀人才</div>
+        </aside>
       </div>
     </section>
 
-    <!-- 数据亮点 -->
-    <section class="stats-section">
-      <div class="stats-inner">
-        <div class="stat-item">
-          <div class="stat-num">500<span class="stat-plus">+</span></div>
-          <div class="stat-label">招聘职位</div>
-        </div>
-        <div class="stat-divider"></div>
-        <div class="stat-item">
-          <div class="stat-num">28<span class="stat-plus">+</span></div>
-          <div class="stat-label">合作企业</div>
-        </div>
-        <div class="stat-divider"></div>
-        <div class="stat-item">
-          <div class="stat-num">10000<span class="stat-plus">+</span></div>
-          <div class="stat-label">在职员工</div>
-        </div>
-        <div class="stat-divider"></div>
-        <div class="stat-item">
-          <div class="stat-num">30<span class="stat-plus">+</span></div>
-          <div class="stat-label">城市布局</div>
+    <!-- 为什么加入我们 -->
+    <section class="why">
+      <div class="why-inner">
+        <div class="why-lead">
+          <div class="eyebrow"><span class="eb-rule"></span>WHY JOIN US</div>
+          <h2 class="why-title">筑梦平台<br/>共创未来</h2>
+          <p class="why-intro">国有企业，稳定可靠。我们提供完善的成长体系与广阔的事业舞台，期待与您共同书写新时代的答卷。</p>
         </div>
+        <ol class="why-list">
+          <li>
+            <span class="wn">01</span>
+            <div class="wc">
+              <h3>央企背景</h3>
+              <p>国有企业，稳定可靠，福利完善，五险一金，补充公积金。</p>
+            </div>
+          </li>
+          <li>
+            <span class="wn">02</span>
+            <div class="wc">
+              <h3>成长空间</h3>
+              <p>完善的晋升体系，多维度培训，专属导师带教，快速成长。</p>
+            </div>
+          </li>
+          <li>
+            <span class="wn">03</span>
+            <div class="wc">
+              <h3>全国布局</h3>
+              <p>覆盖 30+ 城市，多地工作机会，灵活选择工作地点。</p>
+            </div>
+          </li>
+          <li>
+            <span class="wn">04</span>
+            <div class="wc">
+              <h3>创新氛围</h3>
+              <p>鼓励创新探索，科研立项支持，专利奖励，技术驱动发展。</p>
+            </div>
+          </li>
+        </ol>
       </div>
     </section>
 
-    <!-- 招聘亮点 -->
-    <section class="features-section">
-      <div class="features-inner">
-        <div class="section-label">为什么加入我们</div>
-        <h2 class="section-title">筑梦平台，共创未来</h2>
-        <div class="features-grid">
-          <div class="feature-card">
-            <div class="feature-icon">🏛</div>
-            <h3>央企背景</h3>
-            <p>国有企业，稳定可靠，福利完善，五险一金，补充公积金</p>
-          </div>
-          <div class="feature-card">
-            <div class="feature-icon">🚀</div>
-            <h3>成长空间</h3>
-            <p>完善的晋升体系，多维度培训，专属导师带教，快速成长</p>
-          </div>
-          <div class="feature-card">
-            <div class="feature-icon">🌍</div>
-            <h3>全国布局</h3>
-            <p>覆盖30+城市，多地工作机会，灵活选择工作地点</p>
-          </div>
-          <div class="feature-card">
-            <div class="feature-icon">💡</div>
-            <h3>创新氛围</h3>
-            <p>鼓励创新探索，科研立项支持，专利奖励，技术驱动发展</p>
-          </div>
-        </div>
-      </div>
-    </section>
-
-    <!-- 底部 -->
-    <footer class="splash-footer">
+    <!-- footer -->
+    <footer class="site-footer">
       <div class="footer-inner">
-        <div class="footer-logo">
-          <div class="logo-icon sm">招</div>
+        <div class="footer-brand">
+          <span class="brand-mark sm">招</span>
           <span>集团招聘平台</span>
         </div>
         <p class="footer-copy">Copyright © 集团招聘平台 · All Rights Reserved · 为国家建设输送优秀人才</p>
         <div class="footer-links">
-          <span @click="router.push('/companies')">公司介绍</span>
-          <span @click="router.push('/login')">登录</span>
+          <router-link to="/companies">公司介绍</router-link>
+          <router-link to="/login">登录</router-link>
         </div>
       </div>
     </footer>
   </div>
 </template>
 
-<script setup>
-import { useRouter } from 'vue-router'
-const router = useRouter()
-</script>
-
 <style scoped>
-* { box-sizing: border-box; }
-
-.splash-page {
-  font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
-  background: var(--bg-page);
+.splash {
+  --serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
+  --sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
+  font-family: var(--sans);
   color: var(--text-main);
-  overflow-x: hidden;
+  background: #FAFAFA;
+  min-height: 100vh;
 }
+.splash a { text-decoration: none; color: inherit; }
 
-/* ── 顶部导航 ── */
-.splash-header {
-  position: fixed;
-  top: 0;
-  left: 0;
-  right: 0;
-  z-index: 100;
-  padding: 0 48px;
-  height: 64px;
-  display: flex;
-  align-items: center;
-  background: rgba(255, 255, 255, 0.92);
-  backdrop-filter: blur(12px);
+/* 红头细线 */
+.top-rule { height: 3px; background: var(--brand-red); }
+
+/* header */
+.site-header {
+  position: sticky; top: 0; z-index: 50;
+  background: rgba(255,255,255,0.95);
+  backdrop-filter: blur(8px);
   border-bottom: 1px solid var(--border);
-  box-shadow: 0 1px 8px rgba(0,0,0,0.04);
 }
 .header-inner {
-  width: 100%;
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
+  max-width: 1240px; margin: 0 auto; padding: 0 40px;
+  height: 68px; display: flex; align-items: center; gap: 40px;
 }
-.logo {
-  display: flex;
-  align-items: center;
-  gap: 12px;
-  cursor: pointer;
+.brand { display: flex; align-items: center; gap: 12px; }
+.brand-mark {
+  width: 38px; height: 38px;
+  background: var(--brand-red); color: #fff;
+  font-family: var(--serif); font-weight: 700; font-size: 20px;
+  display: flex; align-items: center; justify-content: center;
+  border-radius: 2px;
 }
-.logo-icon {
-  width: 38px;
-  height: 38px;
-  background: linear-gradient(135deg, #EB2C26, #B80006);
-  border-radius: 8px;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  font-size: 18px;
-  font-weight: 900;
-  color: #fff;
-}
-.logo-icon.sm { width: 28px; height: 28px; font-size: 13px; border-radius: 6px; }
-.logo-text { display: flex; flex-direction: column; }
-.logo-title { font-size: 15px; font-weight: 700; color: var(--text-main); line-height: 1.2; }
-.logo-en { font-size: 10px; color: var(--brand-red); opacity: 0.7; letter-spacing: 0.1em; }
+.brand-mark.sm { width: 28px; height: 28px; font-size: 15px; }
+.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
+.brand-cn { font-family: var(--serif); font-size: 18px; font-weight: 700; letter-spacing: 0.08em; color: var(--text-main); }
+.brand-en { font-size: 9px; letter-spacing: 0.22em; color: var(--text-muted); margin-top: 3px; }
 
-.header-nav { display: flex; gap: 36px; }
-.nav-item {
-  font-size: 14px;
-  color: var(--text-muted);
-  cursor: pointer;
-  transition: color 0.2s;
-  letter-spacing: 0.03em;
-}
+.site-nav { display: flex; gap: 32px; margin-left: 8px; }
+.nav-item { font-size: 15px; color: var(--text-main); position: relative; padding: 4px 0; transition: color .2s; }
+.nav-item::after { content:''; position:absolute; left:0; right:0; bottom:-2px; height:2px; background: var(--brand-red); transform: scaleX(0); transform-origin: left; transition: transform .25s; }
 .nav-item:hover { color: var(--brand-red); }
+.nav-item:hover::after, .nav-item.router-link-active::after { transform: scaleX(1); }
+.nav-item.router-link-active { color: var(--brand-red); }
 
-.header-actions { display: flex; gap: 12px; }
-.btn-outline {
-  padding: 7px 20px;
-  border: 1px solid var(--border);
-  background: transparent;
-  color: var(--text-main);
-  border-radius: 4px;
-  font-size: 13px;
-  cursor: pointer;
-  transition: all 0.2s;
-  font-family: inherit;
+.header-cta { margin-left: auto; display: flex; gap: 12px; align-items: center; }
+.btn-line {
+  padding: 8px 22px; border: 1px solid var(--border); color: var(--text-main);
+  font-size: 13px; border-radius: 2px; transition: all .2s; display: inline-flex; align-items: center;
 }
-.btn-outline:hover { border-color: var(--brand-red); color: var(--brand-red); }
-.btn-solid {
-  padding: 7px 20px;
-  background: var(--brand-red);
-  border: none;
-  color: #fff;
-  border-radius: 4px;
-  font-size: 13px;
-  cursor: pointer;
-  font-weight: 600;
-  font-family: inherit;
-  transition: opacity 0.2s;
+.btn-line:hover { border-color: var(--brand-red); color: var(--brand-red); }
+.btn-fill {
+  padding: 8px 22px; background: var(--brand-red); color: #fff;
+  font-size: 13px; border-radius: 2px; transition: background .2s; display: inline-flex; align-items: center;
 }
-.btn-solid:hover { opacity: 0.88; }
+.btn-fill:hover { background: var(--brand-red-2); }
+.btn-fill.lg, .btn-line.lg { padding: 14px 34px; font-size: 15px; }
+.btn-fill.lg { box-shadow: 0 6px 18px rgba(235,44,38,0.25); }
+.arr { margin-left: 8px; transition: transform .2s; }
+.btn-fill.lg:hover .arr { transform: translateX(4px); }
 
-/* ── 英雄区 ── */
-.hero {
-  position: relative;
-  height: 100vh;
-  min-height: 640px;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  overflow: hidden;
+/* hero */
+.hero { border-bottom: 1px solid var(--border); background: #FAFAFA; }
+.hero-inner {
+  max-width: 1240px; margin: 0 auto; padding: 88px 40px 96px;
+  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 80px; align-items: center;
 }
-.hero-bg {
-  position: absolute;
-  inset: 0;
-  /* 干净浅色背景 */
-  background: linear-gradient(160deg, #FFFFFF 0%, #F5F5F5 100%);
-}
-.hero-overlay {
-  position: absolute;
-  inset: 0;
-  background: transparent;
+.eyebrow { display: flex; align-items: center; gap: 12px; font-size: 13px; letter-spacing: 0.2em; color: var(--brand-red); font-weight: 600; }
+.eb-rule { width: 28px; height: 2px; background: var(--brand-red); display: inline-block; }
+.hero-title {
+  font-family: var(--serif); font-weight: 700;
+  font-size: 68px; line-height: 1.12; letter-spacing: 0.04em;
+  margin: 22px 0 20px; color: var(--text-main);
 }
+.hero-sub { font-size: 17px; line-height: 1.8; color: var(--text-muted); max-width: 460px; margin: 0 0 36px; }
+.hero-actions { display: flex; gap: 16px; margin-bottom: 44px; flex-wrap: wrap; }
+.hero-mini-stats { display: flex; gap: 48px; }
+.ms { display: flex; flex-direction: column; }
+.ms b { font-family: var(--serif); font-size: 28px; color: var(--text-main); line-height: 1; font-weight: 700; }
+.ms span { font-size: 13px; color: var(--text-muted); margin-top: 6px; }
 
-/* 建筑风格竖线装饰 */
-.building-lines {
-  position: absolute;
-  inset: 0;
-  overflow: hidden;
+/* bulletin */
+.bulletin {
+  background: #fff; border: 1px solid var(--border);
+  box-shadow: 0 24px 60px -32px rgba(0,0,0,0.18);
 }
-.line {
-  position: absolute;
-  top: 0;
-  bottom: 0;
-  width: 1px;
-  background: linear-gradient(
-    to bottom,
-    transparent,
-    rgba(0,0,0,0.04) 30%,
-    rgba(0,0,0,0.02) 70%,
-    transparent
-  );
+.bulletin-head {
+  background: var(--brand-red); color: #fff;
+  padding: 14px 24px; display: flex; align-items: baseline; justify-content: space-between;
 }
-.l1 { left: 8%; }
-.l2 { left: 18%; }
-.l3 { left: 30%; }
-.l4 { left: 42%; }
-.l5 { left: 58%; }
-.l6 { left: 70%; }
-.l7 { left: 82%; }
-.l8 { left: 92%; }
+.bh-cn { font-family: var(--serif); font-size: 17px; font-weight: 700; letter-spacing: 0.12em; }
+.bh-en { font-size: 10px; letter-spacing: 0.24em; opacity: 0.8; }
+.bulletin-body { padding: 6px 24px; }
+.bl-row {
+  display: flex; align-items: center; gap: 20px;
+  padding: 18px 0; border-bottom: 1px dashed var(--border);
+}
+.bl-row:last-child { border-bottom: none; }
+.bl-num { font-family: var(--serif); font-size: 34px; font-weight: 700; color: var(--brand-red); line-height: 1; min-width: 92px; }
+.bl-num span { font-size: 18px; }
+.bl-label { font-size: 15px; color: var(--text-main); font-weight: 600; line-height: 1.4; display: flex; flex-direction: column; gap: 2px; }
+.bl-label small { font-size: 12px; color: var(--text-muted); font-weight: 400; }
+.bulletin-foot { padding: 14px 24px; background: var(--brand-red-bg); color: var(--brand-red-2); font-size: 13px; letter-spacing: 0.12em; text-align: center; font-family: var(--serif); }
 
-/* 中心光晕 */
-.hero-glow {
-  position: absolute;
-  top: 50%;
-  left: 50%;
-  transform: translate(-50%, -60%);
-  width: 600px;
-  height: 400px;
-  background: radial-gradient(
-    ellipse,
-    rgba(235,44,38,0.08) 0%,
-    rgba(235,44,38,0.02) 50%,
-    transparent 70%
-  );
-  pointer-events: none;
+/* why */
+.why { background: #fff; border-bottom: 1px solid var(--border); }
+.why-inner {
+  max-width: 1240px; margin: 0 auto; padding: 96px 40px;
+  display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 80px;
 }
-
-.hero-content {
-  position: relative;
-  z-index: 2;
-  text-align: center;
-  padding: 0 24px;
-  max-width: 800px;
-}
-.hero-badge {
-  display: inline-block;
-  padding: 5px 18px;
-  border: 1px solid var(--brand-red);
-  border-radius: 20px;
-  font-size: 13px;
-  color: var(--brand-red);
-  letter-spacing: 0.15em;
-  margin-bottom: 28px;
-  background: var(--brand-red-bg);
-}
-.hero-slogan {
-  font-size: 56px;
-  font-weight: 900;
-  color: var(--text-main);
-  letter-spacing: 0.12em;
-  margin: 0 0 16px;
-  line-height: 1.15;
-}
-.hero-sub {
-  font-size: 18px;
-  color: var(--text-muted);
-  margin: 0 0 48px;
-  letter-spacing: 0.06em;
-}
-.hero-btns {
-  display: flex;
-  gap: 16px;
-  justify-content: center;
-}
-.btn-primary-lg {
-  padding: 14px 42px;
-  background: var(--brand-red);
-  border: none;
-  color: #fff;
-  border-radius: 4px;
-  font-size: 16px;
-  font-weight: 700;
-  cursor: pointer;
-  font-family: inherit;
-  letter-spacing: 0.05em;
-  display: flex;
-  align-items: center;
-  gap: 8px;
-  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
-  box-shadow: 0 4px 14px rgba(235,44,38,0.3);
-}
-.btn-primary-lg:hover {
-  transform: translateY(-2px);
-  background: var(--brand-red-2);
-  box-shadow: 0 8px 22px rgba(235,44,38,0.4);
-}
-.btn-arrow { font-size: 18px; }
-.btn-secondary-lg {
-  padding: 14px 42px;
-  background: transparent;
-  border: 1px solid var(--brand-red);
-  color: var(--brand-red);
-  border-radius: 4px;
-  font-size: 16px;
-  cursor: pointer;
-  font-family: inherit;
-  letter-spacing: 0.05em;
-  transition: all 0.2s;
-}
-.btn-secondary-lg:hover {
-  background: var(--brand-red-bg);
-  color: var(--brand-red-2);
-  border-color: var(--brand-red-2);
-}
-
-.scroll-hint {
-  position: absolute;
-  bottom: 36px;
-  left: 50%;
-  transform: translateX(-50%);
-  z-index: 2;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  gap: 6px;
-  color: var(--text-muted);
-  font-size: 12px;
-  letter-spacing: 0.1em;
-}
-.scroll-arrow {
-  font-size: 18px;
-  animation: bounce 1.6s ease-in-out infinite;
-}
-@keyframes bounce {
-  0%, 100% { transform: translateY(0); }
-  50% { transform: translateY(6px); }
-}
-
-/* ── 数据亮点 ── */
-.stats-section {
-  background: #FFFFFF;
-  border-top: 1px solid var(--border);
+.why-title { font-family: var(--serif); font-size: 44px; font-weight: 700; line-height: 1.15; margin: 18px 0 20px; color: var(--text-main); }
+.why-intro { font-size: 15px; line-height: 1.9; color: var(--text-muted); max-width: 360px; }
+.why-list { list-style: none; margin: 0; padding: 0; }
+.why-list li {
+  display: flex; gap: 28px; padding: 26px 0;
   border-bottom: 1px solid var(--border);
-  padding: 48px 0;
-}
-.stats-inner {
-  width: 100%;
-  display: flex;
-  align-items: center;
-  justify-content: space-around;
-  padding: 0 48px;
-}
-.stat-item { text-align: center; }
-.stat-num {
-  font-size: 44px;
-  font-weight: 900;
-  color: var(--brand-red);
-  line-height: 1;
-  margin-bottom: 8px;
-  font-variant-numeric: tabular-nums;
-}
-.stat-plus { font-size: 24px; }
-.stat-label { font-size: 14px; color: var(--text-muted); letter-spacing: 0.08em; }
-.stat-divider {
-  width: 1px;
-  height: 48px;
-  background: var(--border);
+  transition: padding-left .25s;
 }
+.why-list li:first-child { padding-top: 4px; }
+.why-list li:last-child { border-bottom: none; }
+.why-list li:hover { padding-left: 10px; }
+.wn { font-family: var(--serif); font-size: 30px; font-weight: 700; color: var(--brand-red); line-height: 1; min-width: 56px; }
+.wc h3 { font-family: var(--serif); font-size: 20px; margin: 0 0 8px; color: var(--text-main); }
+.wc p { font-size: 14px; line-height: 1.8; color: var(--text-muted); margin: 0; }
 
-/* ── 特色区 ── */
-.features-section {
-  background: var(--bg-page);
-  padding: 96px 48px;
-}
-.features-inner { width: 100%; }
-.section-label {
-  text-align: center;
-  font-size: 13px;
-  color: var(--brand-red);
-  letter-spacing: 0.2em;
-  margin-bottom: 12px;
-  text-transform: uppercase;
-}
-.section-title {
-  text-align: center;
-  font-size: 34px;
-  font-weight: 800;
-  color: var(--text-main);
-  margin: 0 0 56px;
-  letter-spacing: 0.08em;
-}
-.features-grid {
-  display: grid;
-  grid-template-columns: repeat(4, 1fr);
-  gap: 24px;
-}
-.feature-card {
-  background: var(--bg-card);
-  border: 1px solid var(--border);
-  border-radius: 8px;
-  padding: 36px 24px;
-  text-align: center;
-  transition: border-color 0.25s, transform 0.25s;
-  box-shadow: 0 1px 6px rgba(0,0,0,0.04);
-}
-.feature-card:hover {
-  border-color: var(--brand-red);
-  transform: translateY(-4px);
-}
-.feature-icon {
-  font-size: 36px;
-  margin-bottom: 16px;
-}
-.feature-card h3 {
-  font-size: 17px;
-  font-weight: 700;
-  color: var(--text-main);
-  margin: 0 0 12px;
-  letter-spacing: 0.04em;
-}
-.feature-card p {
-  font-size: 13px;
-  color: var(--text-muted);
-  line-height: 1.8;
-  margin: 0;
-}
+/* footer */
+.site-footer { background: #1D2129; color: rgba(255,255,255,0.7); }
+.footer-inner { max-width: 1240px; margin: 0 auto; padding: 28px 40px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
+.footer-brand { display: flex; align-items: center; gap: 10px; font-size: 14px; }
+.footer-copy { font-size: 12px; color: rgba(255,255,255,0.4); margin: 0; }
+.footer-links { display: flex; gap: 20px; }
+.footer-links a { font-size: 12px; color: rgba(255,255,255,0.6); }
+.footer-links a:hover { color: var(--brand-red-3); }
 
-/* ── 底部 ── */
-.splash-footer {
-  background: #1D2129;
-  border-top: 1px solid var(--brand-red);
-  padding: 32px 48px;
+/* motion */
+@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
+.hero-left > * { animation: rise .7s ease both; }
+.hero-left > *:nth-child(1) { animation-delay: .05s; }
+.hero-left > *:nth-child(2) { animation-delay: .15s; }
+.hero-left > *:nth-child(3) { animation-delay: .25s; }
+.hero-left > *:nth-child(4) { animation-delay: .35s; }
+.hero-left > *:nth-child(5) { animation-delay: .45s; }
+.bulletin { animation: rise .8s ease both; animation-delay: .3s; }
+
+@media (max-width: 960px) {
+  .hero-inner, .why-inner { grid-template-columns: 1fr; gap: 48px; padding-left: 24px; padding-right: 24px; }
+  .hero-title { font-size: 48px; }
+  .header-inner { padding: 0 24px; gap: 20px; }
+  .site-nav { display: none; }
+  .hero-inner { padding-top: 56px; padding-bottom: 64px; }
+  .why-inner { padding: 64px 24px; }
 }
-.footer-inner {
-  width: 100%;
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-}
-.footer-logo {
-  display: flex;
-  align-items: center;
-  gap: 10px;
-  font-size: 14px;
-  color: rgba(255,255,255,0.7);
-}
-.footer-copy {
-  font-size: 12px;
-  color: rgba(255,255,255,0.4);
-  margin: 0;
-}
-.footer-links {
-  display: flex;
-  gap: 24px;
-}
-.footer-links span {
-  font-size: 12px;
-  color: rgba(255,255,255,0.6);
-  cursor: pointer;
-  transition: color 0.2s;
-}
-.footer-links span:hover { color: var(--brand-red-3); }
 </style>