login gate: model downloads locked until logged-in (whitelist-only access)

homepage/index.html

@@ -323,7 +323,18 @@ body{
 
         <!-- 模型下载 · 一键直达 -->
     <div class="card" style="animation-delay:.5s;border-color:rgba(90,208,224,.2)">
-      <div class="card-header"><span class="hd" style="background:#5ad0e0;box-shadow:0 0 12px rgba(90,208,224,.3)"></span>模型下载 · 基础基座 — 点击链接直下到本地<span class="r">D107 · 公开</span></div>
+      <div class="card-header"><span class="hd" style="background:#5ad0e0;box-shadow:0 0 12px rgba(90,208,224,.3)"></span>模型下载 · 基础基座<span class="r" id="model-dl-tag">登录后可下载</span></div>
+      <!-- 未登录：锁定状态 -->
+      <div id="model-dl-locked">
+        <div style="padding:28px 20px;text-align:center;border:1px dashed rgba(255,255,255,.08);border-radius:16px">
+          <div style="font-size:36px;margin-bottom:8px">🔒</div>
+          <div style="font-size:16px;color:var(--text-soft);margin-bottom:6px">模型下载仅对<strong style="color:var(--light)">内测成员</strong>开放</div>
+          <div style="font-size:14px;color:var(--text-faint);margin-bottom:16px">请先登录代码仓库账号 · 账号需经主权者白名单审批</div>
+          <button onclick="document.getElementById('login-bar').scrollIntoView({behavior:'smooth',block:'center'})" style="padding:10px 24px;background:rgba(90,208,224,.1);border:1px solid rgba(90,208,224,.2);border-radius:12px;color:#5ad0e0;font-size:14px;cursor:pointer;font-family:inherit">登录 · 解锁下载</button>
+        </div>
+      </div>
+      <!-- 已登录：解锁状态 -->
+      <div id="model-dl-unlocked" style="display:none">
         <div style="display:grid;grid-template-columns:1fr 1fr;gap:12px">
           <div style="padding:18px 20px;background:rgba(255,255,255,.02);border:1px solid var(--glass-edge);border-radius:16px">
             <div style="display:flex;align-items:center;gap:12px;margin-bottom:12px">
@@ -355,6 +366,7 @@ body{
           </div>
         </div>
       </div>
+    </div>
     <!-- 活动流 + Notion -->
     <div class="row row-2">
       <div class="card bg-green clickable">
@@ -492,6 +504,12 @@ function showLoggedIn(username){
   document.getElementById('user-name').textContent=username;
   document.getElementById('user-avatar').textContent=username[0].toUpperCase();
   document.getElementById('frost-entry').style.display='block';
+  // 解锁模型下载
+  const dl=document.getElementById('model-dl-locked');
+  const du=document.getElementById('model-dl-unlocked');
+  if(dl&&du){dl.style.display='none';du.style.display='block'}
+  const tg=document.getElementById('model-dl-tag');
+  if(tg)tg.textContent='内测·已登录';
 }
 function goToRepo(){const u=localStorage.getItem('current_user');window.location.href='/code/'+u;}
 function dismissRepo(){}
@@ -503,8 +521,14 @@ function logout(){
   document.getElementById('frost-entry').style.display='none';
   document.getElementById('login-bar').style.display='flex';
   document.getElementById('login-user').value='';
+  // 锁定模型下载
+  const dl=document.getElementById('model-dl-locked');
+  const du=document.getElementById('model-dl-unlocked');
+  if(dl&&du){dl.style.display='block';du.style.display='none'}
+  const tg=document.getElementById('model-dl-tag');
+  if(tg)tg.textContent='登录后可下载';
 }
-(function(){const u=localStorage.getItem('current_user');if(u&&localStorage.getItem('logged_in')==='true'){showLoggedIn(u);document.getElementById('frost-entry').style.display='block'}})();
+(function(){const u=localStorage.getItem('current_user');if(u&&localStorage.getItem('logged_in')==='true'){showLoggedIn(u)}})();
 
 /* ── 对话记忆 ── */
 let chatHistory={};