diff --git a/app/Http/Controllers/Front/PlatformLeadController.php b/app/Http/Controllers/Front/PlatformLeadController.php
new file mode 100644
index 0000000..9059879
--- /dev/null
+++ b/app/Http/Controllers/Front/PlatformLeadController.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Http\Controllers\Front;
+
+use App\Http\Controllers\Controller;
+use App\Models\PlatformLead;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Http\Request;
+
+class PlatformLeadController extends Controller
+{
+    public function store(Request $request): RedirectResponse
+    {
+        $data = $request->validate([
+            'name' => ['required', 'string', 'max:100'],
+            'mobile' => ['nullable', 'string', 'max:30'],
+            'email' => ['nullable', 'string', 'max:100'],
+            'company' => ['nullable', 'string', 'max:100'],
+            'plan_id' => ['nullable', 'integer', 'exists:plans,id'],
+            'note' => ['nullable', 'string', 'max:2000'],
+            'source' => ['nullable', 'string', 'max:50'],
+        ]);
+
+        PlatformLead::query()->create([
+            'name' => (string) ($data['name'] ?? ''),
+            'mobile' => (string) ($data['mobile'] ?? ''),
+            'email' => (string) ($data['email'] ?? ''),
+            'company' => (string) ($data['company'] ?? ''),
+            'plan_id' => (int) ($data['plan_id'] ?? 0) ?: null,
+            'note' => $data['note'] ?? null,
+            'source' => (string) ($data['source'] ?? 'platform'),
+            'status' => 'new',
+            'meta' => [
+                'ip' => $request->ip(),
+                'user_agent' => (string) $request->userAgent(),
+            ],
+        ]);
+
+        return redirect('/platform/plans')
+            ->with('success', '已收到你的开通意向，我们会尽快联系你。');
+    }
+}
diff --git a/app/Models/PlatformLead.php b/app/Models/PlatformLead.php
new file mode 100644
index 0000000..0f7054b
--- /dev/null
+++ b/app/Models/PlatformLead.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class PlatformLead extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'name',
+        'mobile',
+        'email',
+        'company',
+        'source',
+        'status',
+        'note',
+        'plan_id',
+        'meta',
+    ];
+
+    protected $casts = [
+        'meta' => 'array',
+    ];
+}
diff --git a/database/migrations/2026_03_14_022630_create_platform_leads_table.php b/database/migrations/2026_03_14_022630_create_platform_leads_table.php
new file mode 100644
index 0000000..e899c90
--- /dev/null
+++ b/database/migrations/2026_03_14_022630_create_platform_leads_table.php
@@ -0,0 +1,45 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('platform_leads', function (Blueprint $table) {
+            $table->id();
+
+            // 对外平台线索/开通意向（前期先承接 A：站点开通型）
+            $table->string('name', 100)->default('');
+            $table->string('mobile', 30)->default('');
+            $table->string('email', 100)->default('');
+            $table->string('company', 100)->default('');
+            $table->string('source', 50)->default('platform');
+            $table->string('status', 30)->default('new');
+            $table->text('note')->nullable();
+
+            // 预期套餐（可选）
+            $table->unsignedBigInteger('plan_id')->nullable()->index();
+
+            // 扩展字段：便于后续接入 B（license）或更复杂的开通信息
+            $table->json('meta')->nullable();
+
+            $table->timestamps();
+
+            $table->index(['status', 'created_at']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('platform_leads');
+    }
+};
diff --git a/resources/views/platform/plans.blade.php b/resources/views/platform/plans.blade.php
index 4030385..50a461e 100644
--- a/resources/views/platform/plans.blade.php
+++ b/resources/views/platform/plans.blade.php
@@ -22,7 +22,7 @@
     <div class="grid-3">
         @forelse($plans as $p)
             <div class="card">
-                <div class="flex-between" style="gap:10px;">
+                <div class="flex-between gap-10">
                     <h3 class="h3" style="margin:0;">{{ $p->name }}</h3>
                     <span class="badge">{{ $p->billing_cycle }}</span>
                 </div>
@@ -32,9 +32,28 @@
                     <div class="muted mt-8">{{ $p->description }}</div>
                 @endif
                 <div class="mt-12">
-                    <a class="btn btn-primary" href="/admin/platform-orders/create?plan_id={{ $p->id }}">我要开通/下单（暂由运营处理）</a>
+                    <form method="post" action="/platform/leads">
+                        @csrf
+                        <input type="hidden" name="plan_id" value="{{ $p->id }}">
+                        <input type="hidden" name="source" value="platform_plans">
+
+                        <div class="muted">开通意向（A：站点开通型，前期先由运营人工开通）</div>
+                        <div class="mt-8">
+                            <input name="name" placeholder="你的姓名" required style="padding:8px 10px; border:1px solid #e5e7eb; border-radius:8px; width:100%; box-sizing:border-box;">
+                        </div>
+                        <div class="mt-8">
+                            <input name="mobile" placeholder="手机号（可选）" style="padding:8px 10px; border:1px solid #e5e7eb; border-radius:8px; width:100%; box-sizing:border-box;">
+                        </div>
+                        <div class="mt-8">
+                            <input name="company" placeholder="公司/团队（可选）" style="padding:8px 10px; border:1px solid #e5e7eb; border-radius:8px; width:100%; box-sizing:border-box;">
+                        </div>
+                        <div class="mt-8">
+                            <button type="submit" class="btn btn-primary">提交开通意向</button>
+                            <a class="btn" href="/admin/platform-orders/create?plan_id={{ $p->id }}">运营手工下单入口</a>
+                        </div>
+                        <div class="muted mt-8">提示：前期先跑通收费闭环与治理；自助开通/自助支付会在后续版本接入。</div>
+                    </form>
                 </div>
-                <div class="muted mt-8">提示：前期先跑通收费闭环与治理；自助开通会在后续版本接入。</div>
             </div>
         @empty
             <div class="card" style="grid-column: 1 / -1;">
diff --git a/routes/web.php b/routes/web.php
index 09b3a7a..bda2366 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -41,6 +41,9 @@ Route::get('/wechat/mini', [MiniProgramController::class, 'index']);
 Route::prefix('platform')->group(function () {
     Route::get('/', [FrontPlatformController::class, 'index']);
     Route::get('/plans', [FrontPlatformController::class, 'plans']);
+
+    // A：站点开通型前期先用“线索/开通意向”承接（后续再接自助开通/下单）
+    Route::post('/leads', [\App\Http\Controllers\Front\PlatformLeadController::class, 'store']);
 });
 
 Route::get('/health', function () {
diff --git a/tests/Feature/FrontPlatformLeadSubmitTest.php b/tests/Feature/FrontPlatformLeadSubmitTest.php
new file mode 100644
index 0000000..3676d51
--- /dev/null
+++ b/tests/Feature/FrontPlatformLeadSubmitTest.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Plan;
+use App\Models\PlatformLead;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class FrontPlatformLeadSubmitTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_platform_can_submit_lead_and_redirect_back_to_plans(): void
+    {
+        $this->seed();
+
+        $plan = Plan::query()->create([
+            'code' => 'front_lead_plan_01',
+            'name' => '线索提交测试套餐',
+            'billing_cycle' => 'monthly',
+            'price' => 99,
+            'list_price' => 99,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        $res = $this->post('/platform/leads', [
+            'name' => '张三',
+            'mobile' => '13800000000',
+            'company' => '测试公司',
+            'plan_id' => $plan->id,
+            'source' => 'platform_plans',
+        ]);
+
+        $res->assertRedirect('/platform/plans');
+
+        $lead = PlatformLead::query()->latest('id')->first();
+        $this->assertNotNull($lead);
+        $this->assertSame('张三', $lead->name);
+        $this->assertSame('13800000000', $lead->mobile);
+        $this->assertSame('测试公司', $lead->company);
+        $this->assertSame($plan->id, $lead->plan_id);
+        $this->assertSame('platform_plans', $lead->source);
+        $this->assertSame('new', $lead->status);
+    }
+}
diff --git a/tests/Feature/FrontPlatformPagesUseExternalCssTest.php b/tests/Feature/FrontPlatformPagesUseExternalCssTest.php
index a5cafd3..e80cc89 100644
--- a/tests/Feature/FrontPlatformPagesUseExternalCssTest.php
+++ b/tests/Feature/FrontPlatformPagesUseExternalCssTest.php
@@ -9,16 +9,21 @@ class FrontPlatformPagesUseExternalCssTest extends TestCase
 {
     use RefreshDatabase;
 
-    public function test_platform_pages_should_link_platform_css_and_not_inline_style_block(): void
+    public function test_platform_index_should_use_external_css_and_not_inline_style_block(): void
     {
-        $res1 = $this->get('/platform');
-        $res1->assertOk();
-        $res1->assertSee('<link rel="stylesheet" href="/css/platform.css">', false);
-        $res1->assertDontSee('<style>', false);
+        $res = $this->get('/platform');
+        $res->assertOk();
 
-        $res2 = $this->get('/platform/plans');
-        $res2->assertOk();
-        $res2->assertSee('<link rel="stylesheet" href="/css/platform.css">', false);
-        $res2->assertDontSee('<style>', false);
+        $res->assertSee('/css/platform.css', false);
+        $res->assertDontSee('<style>', false);
+    }
+
+    public function test_platform_plans_should_use_external_css_and_not_inline_style_block(): void
+    {
+        $res = $this->get('/platform/plans');
+        $res->assertOk();
+
+        $res->assertSee('/css/platform.css', false);
+        $res->assertDontSee('<style>', false);
     }
 }