diff --git a/packages/surugaya_common/src/surugaya_common/models/__init__.py b/packages/surugaya_common/src/surugaya_common/models/__init__.py
new file mode 100644
index 0000000..e2e74e6
--- /dev/null
+++ b/packages/surugaya_common/src/surugaya_common/models/__init__.py
@@ -0,0 +1,17 @@
+"""surugaya_common 共享数据模型。"""
+
+from surugaya_common.models.order import (
+    SurugayaOrderDetail,
+    SurugayaOrderItem,
+    SurugayaOrderStatus,
+    SurugayaOrderSummary,
+    SurugayaShippingInfo,
+)
+
+__all__ = [
+    "SurugayaOrderDetail",
+    "SurugayaOrderItem",
+    "SurugayaOrderStatus",
+    "SurugayaOrderSummary",
+    "SurugayaShippingInfo",
+]
diff --git a/packages/surugaya_common/src/surugaya_common/models/order.py b/packages/surugaya_common/src/surugaya_common/models/order.py
new file mode 100644
index 0000000..2b7b87e
--- /dev/null
+++ b/packages/surugaya_common/src/surugaya_common/models/order.py
@@ -0,0 +1,77 @@
+"""骏河屋订单详情的结构化模型（pydantic + typing only）。
+
+从 jp_pruchase_zdh_5/src/parsers/surugaya/models.py 迁移而来，作为 API 服务与
+worker 共享的订单契约统一维护。worker 端解析订单详情页后产出这些结构，写入
+Redis Hash（见 surugaya_common.redis_keys.trade_hash）；API 的 /api/trade 读取
+同一份数据。
+"""
+
+from typing import Any, Literal
+
+from pydantic import BaseModel, Field
+
+
+class SurugayaOrderStatus(BaseModel):
+    """交易状态表的结构化结果。"""
+
+    trade_status: str | None = None
+    status_message: str | None = None
+    # 保留日文原始键值，便于排障和后续补字段。
+    raw: dict[str, str] = Field(default_factory=dict)
+
+
+class SurugayaOrderSummary(BaseModel):
+    """订单摘要表的结构化结果。"""
+
+    trade_number: str | None = None
+    order_date: str | None = None
+    items_subtotal: int | None = None
+    item_count: int | None = None
+    payment_method: str | None = None
+    cash_on_delivery_fee: int | None = None
+    shipping_date: str | None = None
+    inquiry_number: str | None = None
+    shipping_and_handling_fee: int | None = None
+    digital_gift_certificate_amount: int | None = None
+    grand_total: int | None = None
+    # 保留订单摘要表的原始日文字段。
+    raw: dict[str, str] = Field(default_factory=dict)
+
+
+class SurugayaShippingInfo(BaseModel):
+    """收件信息表的结构化结果。"""
+
+    recipient_name: str | None = None
+    recipient_address: str | None = None
+    recipient_phone_number: str | None = None
+    recipient_email: str | None = None
+    # 保留配送信息表的原始日文字段。
+    raw: dict[str, str] = Field(default_factory=dict)
+
+
+class SurugayaOrderItem(BaseModel):
+    """商品明细表中的单行商品记录。"""
+
+    product_code: str | None = None
+    condition: str | None = None
+    branch_number: str | None = None
+    product_title: str | None = None
+    unit_price: int | None = None
+    quantity: int | None = None
+    discount_amount: int | None = None
+    line_total: int | None = None
+    remarks: str | None = None
+    # 每一行商品同时保留原始列名和值。
+    raw: dict[str, str] = Field(default_factory=dict)
+
+
+class SurugayaOrderDetail(BaseModel):
+    """骏河屋交易详情页的完整结构化结果。"""
+
+    site: Literal["surugaya"] = "surugaya"
+    status: SurugayaOrderStatus
+    summary: SurugayaOrderSummary
+    shipping: SurugayaShippingInfo
+    items: list[SurugayaOrderItem] = Field(default_factory=list)
+    # 以业务分段聚合保留原始表格结果。
+    raw_tables: dict[str, Any] = Field(default_factory=dict)