diff --git a/app.py b/app.py
index 1d67924..c98079f 100644
--- a/app.py
+++ b/app.py
@@ -4,8 +4,22 @@ import io
 import os
 from time import monotonic
 from datetime import datetime, timezone
+from email.utils import format_datetime
 from urllib.parse import urlencode
-from flask import Flask, render_template, jsonify, request, redirect, url_for, session, send_file, send_from_directory
+from xml.sax.saxutils import escape as xml_escape
+from flask import (
+    Flask,
+    abort,
+    jsonify,
+    make_response,
+    redirect,
+    render_template,
+    request,
+    send_file,
+    send_from_directory,
+    session,
+    url_for,
+)
 from werkzeug.middleware.proxy_fix import ProxyFix
 from sqlalchemy import text, func, or_
 from sqlalchemy.orm import joinedload
@@ -272,6 +286,32 @@ FORUM_NOTIFICATION_TYPE_LABELS_EN = {
     "content_removed": "Content moderation",
 }
 
+# Sitemap 单个文件最大帖子条数（按语言拆分后可稳定低于 50k URL 上限）
+SITEMAP_POSTS_PER_FILE = 25000
+
+FORUM_CATEGORY_SEO_COPY = {
+    "综合讨论": {
+        "zh": "围绕 VPS 选型、采购和实践经验的综合讨论区。",
+        "en": "General discussions about VPS planning, buying, and operations.",
+    },
+    "VPS 评测": {
+        "zh": "集中查看 VPS 评测、性能体验与线路反馈。",
+        "en": "Hands-on VPS reviews, benchmarks, and network feedback.",
+    },
+    "优惠活动": {
+        "zh": "跟踪厂商促销、折扣活动与限时优惠。",
+        "en": "Track provider promotions, discounts, and limited-time deals.",
+    },
+    "运维经验": {
+        "zh": "分享部署、监控、故障排查与稳定性实践。",
+        "en": "Operations playbooks for deployment, monitoring, and troubleshooting.",
+    },
+    "新手提问": {
+        "zh": "面向新手的配置建议与入门答疑。",
+        "en": "Beginner-friendly Q&A for VPS setup and decision making.",
+    },
+}
+
 
 def _get_lang():
     lang = (
@@ -309,6 +349,239 @@ def _lang_url(lang_code):
     return "{}?{}".format(request.path, urlencode(params))
 
 
+def _site_root_url():
+    return (SITE_URL or "").rstrip("/")
+
+
+def _absolute_url_for(endpoint, **values):
+    return "{}{}".format(_site_root_url(), url_for(endpoint, **values))
+
+
+def _public_url(endpoint, lang="zh", **params):
+    values = {}
+    for key, value in params.items():
+        if value is None:
+            continue
+        if isinstance(value, str) and not value.strip():
+            continue
+        values[key] = value
+    if (lang or "zh").strip().lower() == "en":
+        values["lang"] = "en"
+    else:
+        values.pop("lang", None)
+    return _absolute_url_for(endpoint, **values)
+
+
+def _alternate_lang_links(endpoint, **params):
+    return {
+        "zh-CN": _public_url(endpoint, lang="zh", **params),
+        "en-US": _public_url(endpoint, lang="en", **params),
+        "x-default": _public_url(endpoint, lang="zh", **params),
+    }
+
+
+def _iso8601_utc(dt):
+    if not dt:
+        return None
+    if dt.tzinfo is None:
+        aware = dt.replace(tzinfo=timezone.utc)
+    else:
+        aware = dt.astimezone(timezone.utc)
+    return aware.strftime("%Y-%m-%dT%H:%M:%SZ")
+
+
+def _rfc2822_utc(dt):
+    if not dt:
+        return None
+    if dt.tzinfo is None:
+        aware = dt.replace(tzinfo=timezone.utc)
+    else:
+        aware = dt.astimezone(timezone.utc)
+    return format_datetime(aware, usegmt=True)
+
+
+def _plain_excerpt(text, limit=160):
+    raw = " ".join((text or "").split())
+    if len(raw) <= limit:
+        return raw
+    return "{}…".format(raw[:max(limit - 1, 0)].rstrip())
+
+
+def _forum_category_description(category_name, lang):
+    category = (category_name or "").strip()
+    if not category:
+        return _pick_lang(
+            "聚合 VPS 评测、运维经验与采购讨论，帮助团队完成云资源选型。",
+            "A VPS community for reviews, operations knowledge, and procurement discussions.",
+            lang,
+        )
+    preset = FORUM_CATEGORY_SEO_COPY.get(category) or {}
+    if lang == "en":
+        return preset.get("en") or "Community topics tagged '{}' for VPS reviews, operations, and buying decisions.".format(category)
+    return preset.get("zh") or "浏览“{}”分类下的 VPS 讨论、评测与采购经验。".format(category)
+
+
+def _forum_index_keywords(lang, active_tab="latest", selected_category=None):
+    if lang == "en":
+        keywords = [
+            "VPS forum",
+            "VPS community",
+            "cloud server reviews",
+            "VPS buying guide",
+            "VPS operations",
+        ]
+        tab_map = {
+            "latest": "latest VPS topics",
+            "new": "new VPS posts",
+            "hot": "popular VPS discussions",
+        }
+    else:
+        keywords = [
+            "VPS论坛",
+            "VPS社区",
+            "云服务器评测",
+            "VPS采购建议",
+            "VPS运维经验",
+        ]
+        tab_map = {
+            "latest": "最新帖子",
+            "new": "新帖",
+            "hot": "热门讨论",
+        }
+    tab_keyword = tab_map.get(active_tab)
+    if tab_keyword:
+        keywords.append(tab_keyword)
+    if selected_category:
+        keywords.append(selected_category)
+    return ", ".join(dict.fromkeys(keywords))
+
+
+def _forum_breadcrumb_schema(lang, selected_category=None, post=None, post_url=None):
+    items = [
+        {
+            "@type": "ListItem",
+            "position": 1,
+            "name": _pick_lang("首页", "Home", lang),
+            "item": _public_url("index", lang=lang),
+        },
+        {
+            "@type": "ListItem",
+            "position": 2,
+            "name": _pick_lang("论坛", "Forum", lang),
+            "item": _public_url("forum_index", lang=lang),
+        },
+    ]
+    if selected_category:
+        items.append({
+            "@type": "ListItem",
+            "position": len(items) + 1,
+            "name": selected_category,
+            "item": _public_url("forum_index", lang=lang, category=selected_category),
+        })
+    if post and post_url:
+        items.append({
+            "@type": "ListItem",
+            "position": len(items) + 1,
+            "name": post.title,
+            "item": post_url,
+        })
+    return {
+        "@type": "BreadcrumbList",
+        "itemListElement": items,
+    }
+
+
+def _sitemap_alternates(endpoint, **params):
+    links = _alternate_lang_links(endpoint, **params)
+    return [{"hreflang": k, "href": v} for k, v in links.items()]
+
+
+def _build_sitemap_urlset_xml(url_items):
+    lines = [
+        '<?xml version="1.0" encoding="UTF-8"?>',
+        '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" '
+        'xmlns:xhtml="http://www.w3.org/1999/xhtml">',
+    ]
+    for item in url_items:
+        lines.append("  <url>")
+        lines.append("    <loc>{}</loc>".format(xml_escape(item["loc"])))
+        if item.get("lastmod"):
+            lines.append("    <lastmod>{}</lastmod>".format(item["lastmod"]))
+        if item.get("changefreq"):
+            lines.append("    <changefreq>{}</changefreq>".format(item["changefreq"]))
+        if item.get("priority"):
+            lines.append("    <priority>{}</priority>".format(item["priority"]))
+        for alt in item.get("alternates") or []:
+            href = alt.get("href")
+            hreflang = alt.get("hreflang")
+            if not href or not hreflang:
+                continue
+            lines.append(
+                '    <xhtml:link rel="alternate" hreflang="{}" href="{}" />'.format(
+                    xml_escape(hreflang),
+                    xml_escape(href),
+                )
+            )
+        lines.append("  </url>")
+    lines.append("</urlset>")
+    return "\n".join(lines)
+
+
+def _build_sitemap_index_xml(entries):
+    lines = [
+        '<?xml version="1.0" encoding="UTF-8"?>',
+        '<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">',
+    ]
+    for item in entries:
+        lines.append("  <sitemap>")
+        lines.append("    <loc>{}</loc>".format(xml_escape(item["loc"])))
+        if item.get("lastmod"):
+            lines.append("    <lastmod>{}</lastmod>".format(item["lastmod"]))
+        lines.append("  </sitemap>")
+    lines.append("</sitemapindex>")
+    return "\n".join(lines)
+
+
+def _latest_forum_content_datetime():
+    return db.session.query(func.max(func.coalesce(ForumPost.updated_at, ForumPost.created_at))).scalar()
+
+
+def _forum_sitemap_total_pages():
+    total_posts = ForumPost.query.count()
+    return max((total_posts + SITEMAP_POSTS_PER_FILE - 1) // SITEMAP_POSTS_PER_FILE, 1)
+
+
+def _should_noindex_path(path):
+    target = path or ""
+    if target.startswith("/admin"):
+        return True
+    if target.startswith("/api/"):
+        return True
+    if target in {"/login", "/register", "/profile", "/me", "/notifications"}:
+        return True
+    if target.startswith("/notification/"):
+        return True
+    if target == "/forum/post/new":
+        return True
+    if target == "/forum/report":
+        return True
+    if target.startswith("/forum/post/") and target.endswith("/edit"):
+        return True
+    if target.startswith("/forum/comment/") and target.endswith("/edit"):
+        return True
+    return False
+
+
+@app.after_request
+def _append_response_headers(response):
+    response.headers.setdefault("Referrer-Policy", "strict-origin-when-cross-origin")
+    response.headers.setdefault("X-Content-Type-Options", "nosniff")
+    response.headers.setdefault("X-Frame-Options", "SAMEORIGIN")
+    if _should_noindex_path(request.path):
+        response.headers["X-Robots-Tag"] = "noindex, nofollow, noarchive"
+    return response
+
+
 def _notification_type_label(notif_type, lang=None):
     active_lang = lang or _get_lang()
     if active_lang == "en":
@@ -891,6 +1164,19 @@ I18N = {
         "price_over500": "> ¥500",
         "cny": "人民币 (¥)",
         "usd": "美元 ($)",
+        "no_js_note": "已显示基础数据表；开启 JavaScript 后可使用实时筛选、排序和动态统计。",
+        "faq_title": "常见问题（采购前必看）",
+        "faq_intro": "以下信息用于预算与方案初筛，正式采购前请再次核对厂商官网。",
+        "faq_q1": "价格和配置数据多久更新一次？",
+        "faq_a1": "平台持续维护公开报价源，后台更新后会同步刷新展示与 API 缓存。",
+        "faq_q2": "表格价格能直接作为合同报价吗？",
+        "faq_a2": "不能。页面数据用于调研与比选，实际价格、账单周期与折扣条款请以厂商官网和销售合同为准。",
+        "faq_q3": "如何快速筛选适合企业业务的方案？",
+        "faq_a3": "建议先按区域和预算过滤，再结合 vCPU、内存、存储和带宽指标缩小候选范围，最后进入厂商官网确认 SLA 与网络质量。",
+        "cta_title": "需要更深度的采购建议？",
+        "cta_lede": "在社区论坛提交需求场景，或直接联系站点维护者获取更新建议。",
+        "cta_primary": "进入社区论坛",
+        "cta_secondary": "联系维护者",
     },
     "en": {
         "meta_title": "Global VPS Pricing & Configuration Comparison | VPS Price",
@@ -951,6 +1237,19 @@ I18N = {
         "price_over500": "> 500",
         "cny": "CNY (¥)",
         "usd": "USD ($)",
+        "no_js_note": "Base table data is already visible. Enable JavaScript for live filters, sorting, and dynamic metrics.",
+        "faq_title": "FAQ for Procurement Teams",
+        "faq_intro": "Use these answers for shortlisting. Re-check vendor websites before placing orders.",
+        "faq_q1": "How often are pricing and spec records updated?",
+        "faq_a1": "The platform continuously maintains public pricing sources. Admin updates refresh both page rendering and API cache.",
+        "faq_q2": "Can listed prices be treated as final contract quotes?",
+        "faq_a2": "No. This site is for research and shortlisting. Final pricing, billing cycles, and discounts are defined by each provider and contract.",
+        "faq_q3": "How should we shortlist plans for business workloads?",
+        "faq_a3": "Start with region and budget filters, then narrow by vCPU, memory, storage, and bandwidth. Validate SLA and network quality on the provider site.",
+        "cta_title": "Need Deeper Buying Guidance?",
+        "cta_lede": "Post your workload requirements in the community forum or contact the site maintainer directly.",
+        "cta_primary": "Open Community Forum",
+        "cta_secondary": "Contact Maintainer",
     },
 }
 
@@ -975,18 +1274,140 @@ def _invalidate_plans_cache():
     _API_PLANS_CACHE["expires_at"] = 0.0
 
 
+def _build_home_faq_items(t):
+    return [
+        {"question": t["faq_q1"], "answer": t["faq_a1"]},
+        {"question": t["faq_q2"], "answer": t["faq_a2"]},
+        {"question": t["faq_q3"], "answer": t["faq_a3"]},
+    ]
+
+
+def _build_home_schema(lang, t, canonical_url, plans_data, faq_items):
+    in_language = "en-US" if lang == "en" else "zh-CN"
+    site_root = _site_root_url()
+    logo_url = _absolute_url_for("static", filename="img/site-logo.svg")
+    og_image_url = _absolute_url_for("static", filename="img/site-logo-mark.svg")
+    item_list = []
+    for idx, plan in enumerate(plans_data[:30], start=1):
+        provider_name = (plan.get("provider") or "").strip()
+        plan_name = (plan.get("name") or "").strip()
+        product_name = "{} {}".format(provider_name, plan_name).strip() or "VPS Plan {}".format(idx)
+        product = {
+            "@type": "Product",
+            "name": product_name,
+            "brand": {"@type": "Brand", "name": provider_name or SITE_NAME},
+        }
+        region_name = (plan.get("countries") or "").strip()
+        if region_name:
+            product["category"] = region_name
+        official_url = (plan.get("official_url") or "").strip()
+        if official_url:
+            product["url"] = official_url
+        offer = {"@type": "Offer", "url": official_url or canonical_url}
+        if plan.get("price_cny") is not None:
+            offer["price"] = float(plan["price_cny"])
+            offer["priceCurrency"] = "CNY"
+        elif plan.get("price_usd") is not None:
+            offer["price"] = float(plan["price_usd"])
+            offer["priceCurrency"] = "USD"
+        if "price" in offer:
+            product["offers"] = offer
+        item_list.append({
+            "@type": "ListItem",
+            "position": idx,
+            "item": product,
+        })
+
+    faq_entities = [
+        {
+            "@type": "Question",
+            "name": item["question"],
+            "acceptedAnswer": {"@type": "Answer", "text": item["answer"]},
+        }
+        for item in faq_items
+    ]
+
+    return {
+        "@context": "https://schema.org",
+        "@graph": [
+            {
+                "@type": "Organization",
+                "@id": "{}#org".format(site_root),
+                "name": SITE_NAME,
+                "url": site_root,
+                "logo": logo_url,
+            },
+            {
+                "@type": "WebSite",
+                "@id": "{}#website".format(site_root),
+                "url": site_root,
+                "name": SITE_NAME,
+                "inLanguage": in_language,
+            },
+            {
+                "@type": "WebPage",
+                "@id": "{}#home".format(canonical_url),
+                "url": canonical_url,
+                "name": t["meta_title"],
+                "description": t["meta_description"],
+                "inLanguage": in_language,
+                "primaryImageOfPage": og_image_url,
+            },
+            {
+                "@type": "ItemList",
+                "name": t["schema_table_name"],
+                "description": t["schema_table_description"],
+                "itemListElement": item_list,
+            },
+            {
+                "@type": "FAQPage",
+                "mainEntity": faq_entities,
+            },
+        ],
+    }
+
+
 @app.route("/")
 def index():
     lang = _get_lang()
     t = I18N[lang]
     plans = _query_plans_for_display()
     plans_data = [p.to_dict() for p in plans]
+    canonical_url = _public_url("index", lang=lang)
+    alternate_links = _alternate_lang_links("index")
+    faq_items = _build_home_faq_items(t)
+    seo = {
+        "title": t["meta_title"],
+        "description": t["meta_description"],
+        "keywords": t["meta_keywords"],
+        "canonical_url": canonical_url,
+        "robots": "index,follow,max-image-preview:large,max-snippet:-1,max-video-preview:-1",
+        "og_type": "website",
+        "og_url": canonical_url,
+        "og_title": t["og_title"],
+        "og_description": t["og_description"],
+        "og_locale": t["og_locale"],
+        "og_image": _absolute_url_for("static", filename="img/site-logo-mark.svg"),
+        "twitter_card": "summary_large_image",
+        "twitter_title": t["og_title"],
+        "twitter_description": t["og_description"],
+        "alternate_links": alternate_links,
+    }
+    home_schema = _build_home_schema(
+        lang=lang,
+        t=t,
+        canonical_url=canonical_url,
+        plans_data=plans_data,
+        faq_items=faq_items,
+    )
     return render_template(
         "index.html",
-        site_url=SITE_URL,
+        site_url=_site_root_url(),
         site_name=SITE_NAME,
-        plans_json_ld=plans_data,
         initial_plans_json=plans_data,
+        faq_items=faq_items,
+        seo=seo,
+        seo_schema=home_schema,
         lang=lang,
         t=t,
     )
@@ -1480,6 +1901,153 @@ def forum_index():
 
     result_start = ((page - 1) * per_page + 1) if total_posts else 0
     result_end = min(page * per_page, total_posts) if total_posts else 0
+    canonical_params = {
+        "tab": active_tab if active_tab != "latest" else None,
+        "category": selected_category,
+        "page": page if page > 1 else None,
+    }
+    canonical_url = _public_url("forum_index", lang=lang, **canonical_params)
+    alternate_links = _alternate_lang_links("forum_index", **canonical_params)
+    prev_canonical_url = None
+    next_canonical_url = None
+    if page > 1:
+        prev_params = dict(canonical_params)
+        prev_page = page - 1
+        prev_params["page"] = prev_page if prev_page > 1 else None
+        prev_canonical_url = _public_url("forum_index", lang=lang, **prev_params)
+    if page < total_pages:
+        next_params = dict(canonical_params)
+        next_params["page"] = page + 1
+        next_canonical_url = _public_url("forum_index", lang=lang, **next_params)
+
+    if selected_category:
+        forum_title = _pick_lang(
+            "{} 讨论区 | 云价眼论坛".format(selected_category),
+            "{} Discussions | VPS Forum".format(selected_category),
+            lang,
+        )
+        forum_heading = _pick_lang(
+            "{} · 论坛分类".format(selected_category),
+            "{} · Forum Category".format(selected_category),
+            lang,
+        )
+    else:
+        forum_title = _pick_lang("VPS 社区论坛 | 云价眼", "VPS Community Forum | VPS Price", lang)
+        forum_heading = _pick_lang("VPS 社区论坛", "VPS Community Forum", lang)
+    if page > 1:
+        forum_title = "{} - {}".format(
+            forum_title,
+            _pick_lang("第 {} 页".format(page), "Page {}".format(page), lang),
+        )
+    if search_query:
+        forum_description = _pick_lang(
+            "论坛搜索结果：{}。该页面主要用于站内检索。".format(search_query),
+            "Forum search results for '{}'. This page is intended for on-site search.".format(search_query),
+            lang,
+        )
+        forum_intro = _pick_lang(
+            "搜索词：{}。建议进一步按分类或标签缩小结果范围。".format(search_query),
+            "Search query: '{}'. Narrow down with categories or topic tags for better results.".format(search_query),
+            lang,
+        )
+    elif selected_category:
+        forum_description = _forum_category_description(selected_category, lang)
+        forum_intro = forum_description
+    else:
+        forum_description = _forum_category_description(None, lang)
+        tab_intro_map = {
+            "latest": _pick_lang(
+                "按最新活跃度浏览主题，快速跟进持续更新的讨论。",
+                "Browse by latest activity to track ongoing discussions.",
+                lang,
+            ),
+            "new": _pick_lang(
+                "查看最近发布的新主题，及时参与新话题。",
+                "See newly published topics and join early conversations.",
+                lang,
+            ),
+            "hot": _pick_lang(
+                "按热度排序，优先阅读高互动的热门讨论。",
+                "Sorted by engagement to surface high-signal discussions.",
+                lang,
+            ),
+        }
+        forum_intro = tab_intro_map.get(active_tab) or forum_description
+
+    noindex_listing = bool(search_query or per_page != 20)
+    forum_feed_url = _public_url("forum_feed", lang=lang)
+    seo = {
+        "title": forum_title,
+        "description": forum_description,
+        "keywords": _forum_index_keywords(lang, active_tab=active_tab, selected_category=selected_category),
+        "canonical_url": canonical_url,
+        "prev_canonical_url": prev_canonical_url,
+        "next_canonical_url": next_canonical_url,
+        "robots": "noindex,follow" if noindex_listing else "index,follow,max-image-preview:large,max-snippet:-1,max-video-preview:-1",
+        "og_type": "website",
+        "og_url": canonical_url,
+        "og_title": forum_title,
+        "og_description": forum_description,
+        "og_image": _absolute_url_for("static", filename="img/site-logo-mark.svg"),
+        "twitter_card": "summary_large_image",
+        "twitter_title": forum_title,
+        "twitter_description": forum_description,
+        "alternate_links": alternate_links,
+        "feed_url": forum_feed_url,
+    }
+
+    list_items = []
+    latest_activity_at = None
+    for idx, card in enumerate(post_cards, start=1):
+        post_obj = card.get("post")
+        if not post_obj:
+            continue
+        post_url = _public_url("forum_post_detail", lang=lang, post_id=post_obj.id)
+        list_items.append({
+            "@type": "ListItem",
+            "position": idx,
+            "name": post_obj.title,
+            "url": post_url,
+        })
+        activity_at = card.get("latest_activity") or post_obj.updated_at or post_obj.created_at
+        if activity_at and (latest_activity_at is None or activity_at > latest_activity_at):
+            latest_activity_at = activity_at
+
+    breadcrumb_schema = _forum_breadcrumb_schema(lang=lang, selected_category=selected_category)
+    breadcrumb_schema["@id"] = "{}#breadcrumb".format(canonical_url)
+    collection_schema = {
+        "@type": "CollectionPage",
+        "@id": "{}#collection".format(canonical_url),
+        "name": forum_title,
+        "description": forum_description,
+        "url": canonical_url,
+        "inLanguage": "en-US" if lang == "en" else "zh-CN",
+        "breadcrumb": {"@id": breadcrumb_schema["@id"]},
+        "isPartOf": {"@type": "WebSite", "name": SITE_NAME, "url": _site_root_url()},
+    }
+    if latest_activity_at:
+        collection_schema["dateModified"] = _iso8601_utc(latest_activity_at)
+    if not search_query:
+        collection_schema["potentialAction"] = {
+            "@type": "SearchAction",
+            "target": "{}?q={{q}}".format(_public_url("forum_index", lang=lang)),
+            "query-input": "required name=q",
+        }
+
+    seo_graph = [collection_schema, breadcrumb_schema]
+    if list_items:
+        item_list_schema = {
+            "@type": "ItemList",
+            "@id": "{}#items".format(canonical_url),
+            "itemListElement": list_items,
+        }
+        collection_schema["mainEntity"] = {"@id": item_list_schema["@id"]}
+        seo_graph.append(item_list_schema)
+
+    seo_schema = {
+        "@context": "https://schema.org",
+        "@graph": seo_graph,
+    }
 
     return render_template(
         "forum/index.html",
@@ -1527,6 +2095,11 @@ def forum_index():
         per_page_options=per_page_options,
         message=request.args.get("msg") or "",
         error=request.args.get("error") or "",
+        forum_heading=forum_heading,
+        forum_intro=forum_intro,
+        forum_feed_url=forum_feed_url,
+        seo=seo,
+        seo_schema=seo_schema,
     )
 
 
@@ -1650,6 +2223,7 @@ def forum_post_delete(post_id):
 
 @app.route("/forum/post/<int:post_id>")
 def forum_post_detail(post_id):
+    lang = _get_lang()
     post = ForumPost.query.get_or_404(post_id)
     current_user = _get_current_user()
     viewed_posts = session.get("viewed_posts") or []
@@ -1684,6 +2258,125 @@ def forum_post_detail(post_id):
         liked_by_me = "like" in kinds
         bookmarked_by_me = "bookmark" in kinds
     sidebar = _forum_sidebar_data()
+    canonical_url = _public_url("forum_post_detail", lang=lang, post_id=post.id)
+    post_excerpt = _plain_excerpt(post.content or "", limit=170)
+    if not post_excerpt:
+        post_excerpt = _pick_lang("论坛主题详情页。", "Discussion topic detail page.", lang)
+    post_category = post.category or _pick_lang("综合讨论", "General", lang)
+    post_keywords = ", ".join(dict.fromkeys([
+        post_category,
+        _pick_lang("VPS论坛", "VPS forum", lang),
+        _pick_lang("VPS讨论", "VPS discussion", lang),
+        _pick_lang("云服务器评测", "cloud server review", lang),
+    ]))
+    published_time = _iso8601_utc(post.created_at)
+    modified_time = _iso8601_utc(post.updated_at or post.created_at)
+    comments_count = len(comments)
+    forum_feed_url = _public_url("forum_feed", lang=lang)
+    seo_title = _pick_lang(
+        "{} - 论坛主题 | 云价眼".format(post.title),
+        "{} - Forum Topic | VPS Price".format(post.title),
+        lang,
+    )
+    seo = {
+        "title": seo_title,
+        "description": post_excerpt,
+        "keywords": post_keywords,
+        "canonical_url": canonical_url,
+        "robots": "index,follow,max-image-preview:large,max-snippet:-1,max-video-preview:-1",
+        "og_type": "article",
+        "og_url": canonical_url,
+        "og_title": seo_title,
+        "og_description": post_excerpt,
+        "og_image": _absolute_url_for("static", filename="img/site-logo-mark.svg"),
+        "twitter_card": "summary_large_image",
+        "twitter_title": seo_title,
+        "twitter_description": post_excerpt,
+        "article_published_time": published_time,
+        "article_modified_time": modified_time,
+        "article_section": post_category,
+        "feed_url": forum_feed_url,
+        "alternate_links": _alternate_lang_links("forum_post_detail", post_id=post.id),
+    }
+    author_name = (
+        post.author_rel.username
+        if post.author_rel and post.author_rel.username
+        else _pick_lang("已注销用户", "Deleted user", lang)
+    )
+    post_schema = {
+        "@type": "DiscussionForumPosting",
+        "@id": "{}#topic".format(canonical_url),
+        "headline": post.title,
+        "description": post_excerpt,
+        "articleSection": post_category,
+        "keywords": post_keywords,
+        "mainEntityOfPage": canonical_url,
+        "url": canonical_url,
+        "datePublished": published_time,
+        "dateModified": modified_time,
+        "author": {"@type": "Person", "name": author_name},
+        "publisher": {
+            "@type": "Organization",
+            "name": SITE_NAME,
+            "url": _site_root_url(),
+            "logo": {
+                "@type": "ImageObject",
+                "url": _absolute_url_for("static", filename="img/site-logo.svg"),
+            },
+        },
+        "commentCount": comments_count,
+        "interactionStatistic": [
+            {
+                "@type": "InteractionCounter",
+                "interactionType": "https://schema.org/ViewAction",
+                "userInteractionCount": int(post.view_count or 0),
+            },
+            {
+                "@type": "InteractionCounter",
+                "interactionType": "https://schema.org/CommentAction",
+                "userInteractionCount": comments_count,
+            },
+            {
+                "@type": "InteractionCounter",
+                "interactionType": "https://schema.org/LikeAction",
+                "userInteractionCount": int(like_count or 0),
+            },
+        ],
+        "inLanguage": "en-US" if lang == "en" else "zh-CN",
+        "isPartOf": {"@type": "WebSite", "name": SITE_NAME, "url": _site_root_url()},
+    }
+
+    comment_entities = []
+    for c in comments[:20]:
+        author = c.author_rel.username if c.author_rel and c.author_rel.username else _pick_lang("匿名用户", "Anonymous", lang)
+        text_excerpt = _plain_excerpt(c.content or "", limit=220)
+        if not text_excerpt:
+            continue
+        comment_item = {
+            "@type": "Comment",
+            "text": text_excerpt,
+            "dateCreated": _iso8601_utc(c.created_at),
+            "author": {"@type": "Person", "name": author},
+        }
+        if c.id:
+            comment_item["url"] = "{}#comment-{}".format(canonical_url, c.id)
+        comment_entities.append(comment_item)
+    if comment_entities:
+        post_schema["comment"] = comment_entities
+
+    breadcrumb_schema = _forum_breadcrumb_schema(
+        lang=lang,
+        selected_category=post.category,
+        post=post,
+        post_url=canonical_url,
+    )
+    breadcrumb_schema["@id"] = "{}#breadcrumb".format(canonical_url)
+    post_schema["breadcrumb"] = {"@id": breadcrumb_schema["@id"]}
+
+    seo_schema = {
+        "@context": "https://schema.org",
+        "@graph": [post_schema, breadcrumb_schema],
+    }
     return render_template(
         "forum/post_detail.html",
         post=post,
@@ -1696,6 +2389,8 @@ def forum_post_detail(post_id):
         sidebar=sidebar,
         message=request.args.get("msg") or "",
         error=request.args.get("error") or "",
+        seo=seo,
+        seo_schema=seo_schema,
     )
 
 
@@ -1912,40 +2607,315 @@ def forum_report_create():
     return _forum_redirect_with_msg(report_post_id, "举报已提交，感谢反馈")
 
 
+@app.route("/forum/feed.xml")
+def forum_feed():
+    lang = _get_lang()
+    latest_activity_expr = func.coalesce(ForumPost.updated_at, ForumPost.created_at)
+    rows = (
+        db.session.query(
+            ForumPost,
+            User.username.label("author_name"),
+        )
+        .outerjoin(User, User.id == ForumPost.user_id)
+        .order_by(latest_activity_expr.desc(), ForumPost.id.desc())
+        .limit(120)
+        .all()
+    )
+
+    channel_title = _pick_lang("云价眼论坛最新主题", "VPS Price Forum Latest Topics", lang)
+    channel_description = _pick_lang(
+        "按最新活跃度输出论坛主题 RSS 订阅，便于跟踪 VPS 讨论更新。",
+        "RSS feed of the latest forum activity to track VPS discussions.",
+        lang,
+    )
+    channel_link = _public_url("forum_index", lang=lang)
+    self_feed_url = _public_url("forum_feed", lang=lang)
+    latest_time = None
+    if rows:
+        p = rows[0][0]
+        latest_time = p.updated_at or p.created_at
+    last_build_date = _rfc2822_utc(latest_time or datetime.now(timezone.utc))
+
+    lines = [
+        '<?xml version="1.0" encoding="UTF-8"?>',
+        '<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">',
+        "  <channel>",
+        "    <title>{}</title>".format(xml_escape(channel_title)),
+        "    <description>{}</description>".format(xml_escape(channel_description)),
+        "    <link>{}</link>".format(xml_escape(channel_link)),
+        "    <language>{}</language>".format("en-us" if lang == "en" else "zh-cn"),
+        "    <lastBuildDate>{}</lastBuildDate>".format(xml_escape(last_build_date)),
+        '    <atom:link href="{}" rel="self" type="application/rss+xml" />'.format(xml_escape(self_feed_url)),
+    ]
+    for post, author_name in rows:
+        post_url = _public_url("forum_post_detail", lang=lang, post_id=post.id)
+        pub_date = _rfc2822_utc(post.updated_at or post.created_at) or last_build_date
+        author = author_name or _pick_lang("匿名用户", "Anonymous", lang)
+        summary = _plain_excerpt(post.content or "", limit=260)
+        category = post.category or _pick_lang("综合讨论", "General", lang)
+        lines.extend([
+            "    <item>",
+            "      <title>{}</title>".format(xml_escape(post.title or _pick_lang("未命名主题", "Untitled topic", lang))),
+            "      <description>{}</description>".format(xml_escape(summary)),
+            "      <link>{}</link>".format(xml_escape(post_url)),
+            "      <guid>{}</guid>".format(xml_escape(post_url)),
+            "      <author>{}</author>".format(xml_escape(author)),
+            "      <category>{}</category>".format(xml_escape(category)),
+            "      <pubDate>{}</pubDate>".format(xml_escape(pub_date)),
+            "    </item>",
+        ])
+    lines.extend([
+        "  </channel>",
+        "</rss>",
+    ])
+    xml = "\n".join(lines)
+
+    resp = make_response(xml)
+    resp.mimetype = "application/rss+xml"
+    resp.headers["Cache-Control"] = "public, max-age=900"
+    return resp
+
+
+# ---------- 法务页面 ----------
+@app.route("/privacy")
+def privacy_policy():
+    lang = _get_lang()
+    page_title = _pick_lang("隐私政策 | 云价眼", "Privacy Policy | VPS Price", lang)
+    page_description = _pick_lang(
+        "了解云价眼如何收集、使用和保护站点访客与论坛用户数据。",
+        "How VPS Price collects, uses, and protects visitor and forum user data.",
+        lang,
+    )
+    canonical_url = _public_url("privacy_policy", lang=lang)
+    seo = {
+        "title": page_title,
+        "description": page_description,
+        "canonical_url": canonical_url,
+        "robots": "index,follow,max-image-preview:large",
+        "og_type": "article",
+        "og_url": canonical_url,
+        "og_title": page_title,
+        "og_description": page_description,
+        "og_image": _absolute_url_for("static", filename="img/site-logo-mark.svg"),
+        "twitter_card": "summary",
+        "twitter_title": page_title,
+        "twitter_description": page_description,
+        "alternate_links": _alternate_lang_links("privacy_policy"),
+    }
+    seo_schema = {
+        "@context": "https://schema.org",
+        "@type": "WebPage",
+        "name": page_title,
+        "description": page_description,
+        "url": canonical_url,
+        "inLanguage": "en-US" if lang == "en" else "zh-CN",
+    }
+    return render_template(
+        "privacy.html",
+        seo=seo,
+        seo_schema=seo_schema,
+        updated_on="2026-02-10",
+    )
+
+
+@app.route("/terms")
+def terms_of_service():
+    lang = _get_lang()
+    page_title = _pick_lang("服务条款 | 云价眼", "Terms of Service | VPS Price", lang)
+    page_description = _pick_lang(
+        "查看云价眼的服务范围、免责声明与论坛使用规范。",
+        "Read the VPS Price service scope, disclaimers, and forum usage rules.",
+        lang,
+    )
+    canonical_url = _public_url("terms_of_service", lang=lang)
+    seo = {
+        "title": page_title,
+        "description": page_description,
+        "canonical_url": canonical_url,
+        "robots": "index,follow,max-image-preview:large",
+        "og_type": "article",
+        "og_url": canonical_url,
+        "og_title": page_title,
+        "og_description": page_description,
+        "og_image": _absolute_url_for("static", filename="img/site-logo-mark.svg"),
+        "twitter_card": "summary",
+        "twitter_title": page_title,
+        "twitter_description": page_description,
+        "alternate_links": _alternate_lang_links("terms_of_service"),
+    }
+    seo_schema = {
+        "@context": "https://schema.org",
+        "@type": "WebPage",
+        "name": page_title,
+        "description": page_description,
+        "url": canonical_url,
+        "inLanguage": "en-US" if lang == "en" else "zh-CN",
+    }
+    return render_template(
+        "terms.html",
+        seo=seo,
+        seo_schema=seo_schema,
+        updated_on="2026-02-10",
+    )
+
+
 # ---------- SEO ----------
 @app.route("/sitemap.xml")
 def sitemap():
-    from flask import make_response
-    url = SITE_URL.rstrip("/")
-    xml = f'''<?xml version="1.0" encoding="UTF-8"?>
-<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
-  <url>
-    <loc>{url}/</loc>
-    <changefreq>weekly</changefreq>
-    <priority>1.0</priority>
-  </url>
-  <url>
-    <loc>{url}/forum</loc>
-    <changefreq>daily</changefreq>
-    <priority>0.9</priority>
-  </url>
-</urlset>'''
+    latest_forum_dt = _latest_forum_content_datetime()
+    sitemap_lastmod = _iso8601_utc(latest_forum_dt)
+    total_pages = _forum_sitemap_total_pages()
+    entries = [{
+        "loc": _absolute_url_for("sitemap_static"),
+        "lastmod": sitemap_lastmod,
+    }]
+    for lang_code in ("zh", "en"):
+        for page in range(1, total_pages + 1):
+            entries.append({
+                "loc": _absolute_url_for("sitemap_forum_page", lang_code=lang_code, page=page),
+                "lastmod": sitemap_lastmod,
+            })
+    xml = _build_sitemap_index_xml(entries)
     resp = make_response(xml)
     resp.mimetype = "application/xml"
+    resp.headers["Cache-Control"] = "public, max-age=1800"
+    return resp
+
+
+@app.route("/sitemap-static.xml")
+def sitemap_static():
+    latest_forum_dt = _latest_forum_content_datetime()
+    latest_forum_lastmod = _iso8601_utc(latest_forum_dt)
+    urls = []
+
+    def add_page(endpoint, changefreq, priority, params=None, lastmod=None):
+        values = params or {}
+        alternates = _sitemap_alternates(endpoint, **values)
+        for lang_code in ("zh", "en"):
+            urls.append({
+                "loc": _public_url(endpoint, lang=lang_code, **values),
+                "changefreq": changefreq,
+                "priority": priority,
+                "lastmod": lastmod,
+                "alternates": alternates,
+            })
+
+    add_page("index", "daily", "1.0")
+    add_page("forum_index", "daily", "0.9", lastmod=latest_forum_lastmod)
+    add_page("forum_feed", "hourly", "0.4", lastmod=latest_forum_lastmod)
+    add_page("forum_index", "daily", "0.8", params={"tab": "new"}, lastmod=latest_forum_lastmod)
+    add_page("forum_index", "daily", "0.8", params={"tab": "hot"}, lastmod=latest_forum_lastmod)
+    add_page("privacy_policy", "monthly", "0.3", lastmod="2026-02-10T00:00:00Z")
+    add_page("terms_of_service", "monthly", "0.3", lastmod="2026-02-10T00:00:00Z")
+
+    category_rows = (
+        db.session.query(
+            ForumPost.category,
+            func.max(func.coalesce(ForumPost.updated_at, ForumPost.created_at)).label("latest_at"),
+        )
+        .filter(ForumPost.category.isnot(None), ForumPost.category != "")
+        .group_by(ForumPost.category)
+        .order_by(func.count(ForumPost.id).desc(), ForumPost.category.asc())
+        .limit(300)
+        .all()
+    )
+    for category_name, latest_at in category_rows:
+        add_page(
+            "forum_index",
+            "daily",
+            "0.75",
+            params={"category": category_name},
+            lastmod=_iso8601_utc(latest_at),
+        )
+
+    xml = _build_sitemap_urlset_xml(urls)
+    resp = make_response(xml)
+    resp.mimetype = "application/xml"
+    resp.headers["Cache-Control"] = "public, max-age=1800"
+    return resp
+
+
+@app.route("/sitemap-forum-<lang_code>-<int:page>.xml")
+def sitemap_forum_page(lang_code, page):
+    normalized_lang = (lang_code or "").strip().lower()
+    if normalized_lang not in {"zh", "en"}:
+        abort(404)
+    total_pages = _forum_sitemap_total_pages()
+    if page < 1 or page > total_pages:
+        abort(404)
+
+    offset = (page - 1) * SITEMAP_POSTS_PER_FILE
+    rows = (
+        db.session.query(ForumPost.id, ForumPost.updated_at, ForumPost.created_at)
+        .order_by(ForumPost.updated_at.desc(), ForumPost.id.desc())
+        .offset(offset)
+        .limit(SITEMAP_POSTS_PER_FILE)
+        .all()
+    )
+    urls = []
+    for post_id, updated_at, created_at in rows:
+        lastmod = _iso8601_utc(updated_at or created_at)
+        urls.append({
+            "loc": _public_url("forum_post_detail", lang=normalized_lang, post_id=post_id),
+            "changefreq": "weekly",
+            "priority": "0.8",
+            "lastmod": lastmod,
+            "alternates": _sitemap_alternates("forum_post_detail", post_id=post_id),
+        })
+
+    xml = _build_sitemap_urlset_xml(urls)
+    resp = make_response(xml)
+    resp.mimetype = "application/xml"
+    resp.headers["Cache-Control"] = "public, max-age=1800"
     return resp
 
 
 @app.route("/robots.txt")
 def robots():
-    from flask import make_response
-    url = SITE_URL.rstrip("/")
-    txt = f"""User-agent: *
+    txt = """User-agent: *
 Allow: /
+Allow: /forum/feed.xml
+Disallow: /admin/
+Disallow: /login
+Disallow: /register
+Disallow: /profile
+Disallow: /me
+Disallow: /notifications
+Disallow: /notification/
+Disallow: /forum/post/new
+Disallow: /forum/post/*/edit
+Disallow: /forum/comment/*/edit
+Disallow: /forum/report
+Disallow: /api/
+Disallow: /*?*q=
 
-Sitemap: {url}/sitemap.xml
-"""
+Sitemap: {}/sitemap.xml
+""".format(_site_root_url())
     resp = make_response(txt)
     resp.mimetype = "text/plain"
+    resp.headers["Cache-Control"] = "public, max-age=3600"
+    return resp
+
+
+@app.route("/ads.txt")
+def ads_txt():
+    content = (os.environ.get("ADS_TXT_CONTENT") or "").strip()
+    if content:
+        from flask import make_response
+
+        body = content if content.endswith("\n") else "{}\n".format(content)
+        resp = make_response(body)
+        resp.mimetype = "text/plain"
+        resp.headers["Cache-Control"] = "public, max-age=3600"
+        return resp
+    ads_file = os.path.join(app.static_folder or "", "ads.txt")
+    if os.path.isfile(ads_file):
+        return send_from_directory(app.static_folder or "", "ads.txt")
+    from flask import make_response
+
+    resp = make_response("# Configure ADS_TXT_CONTENT or create static/ads.txt\n")
+    resp.mimetype = "text/plain"
+    resp.headers["Cache-Control"] = "public, max-age=600"
     return resp
 
 
diff --git a/config.py b/config.py
index cf9b588..1f6d598 100644
--- a/config.py
+++ b/config.py
@@ -25,7 +25,15 @@ class Config:
     SQLALCHEMY_DATABASE_URI = os.environ.get("DATABASE_URL") or _mysql_uri()
     SQLALCHEMY_TRACK_MODIFICATIONS = False
     SITE_URL = os.environ.get("SITE_URL") or "https://vps.ddrwode.cn"
-    SITE_NAME = "云价眼"
+    SITE_NAME = os.environ.get("SITE_NAME") or "云价眼"
+    PREFERRED_URL_SCHEME = "https"
+    SEND_FILE_MAX_AGE_DEFAULT = int(os.environ.get("STATIC_CACHE_SECONDS") or "604800")
+    SESSION_COOKIE_HTTPONLY = True
+    SESSION_COOKIE_SAMESITE = os.environ.get("SESSION_COOKIE_SAMESITE") or "Lax"
+    SESSION_COOKIE_SECURE = (
+        os.environ.get("SESSION_COOKIE_SECURE")
+        or ("1" if (os.environ.get("FLASK_ENV") or "").lower() == "production" else "0")
+    ) == "1"
 
 
 # 兼容直接 from config import XXX
diff --git a/static/ads.txt b/static/ads.txt
new file mode 100644
index 0000000..5412183
--- /dev/null
+++ b/static/ads.txt
@@ -0,0 +1,2 @@
+# Add your ad network records in the following format:
+# example.com, pub-XXXXXXXXXXXXXXXX, DIRECT, f08c47fec0942fa0
diff --git a/static/css/forum.css b/static/css/forum.css
index 564cc40..be315bc 100644
--- a/static/css/forum.css
+++ b/static/css/forum.css
@@ -33,6 +33,20 @@
     gap: 1rem;
 }
 
+.forum-header-inner-with-center {
+    display: grid;
+    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
+}
+
+.forum-header-inner-with-center .forum-header-left {
+    grid-column: 1;
+}
+
+.forum-header-inner-with-center .forum-header-right {
+    grid-column: 3;
+    justify-self: end;
+}
+
 .forum-header-left {
     display: flex;
     align-items: center;
@@ -64,6 +78,33 @@
     white-space: nowrap;
 }
 
+.forum-top-nav {
+    grid-column: 2;
+    justify-self: center;
+    display: inline-flex;
+    align-items: center;
+    gap: 0.5rem;
+}
+
+.forum-top-nav a {
+    color: var(--text-muted);
+    text-decoration: none;
+    font-size: 0.88rem;
+    font-family: var(--font-mono);
+    padding: 0.34rem 0.62rem;
+    border-radius: 8px;
+    border: 1px solid var(--border);
+    background: var(--bg-card);
+    transition: var(--transition);
+}
+
+.forum-top-nav a:hover,
+.forum-top-nav a.active {
+    color: var(--accent);
+    border-color: var(--accent);
+    background: var(--accent-glow);
+}
+
 .forum-primary-nav {
     display: flex;
     align-items: center;
@@ -124,6 +165,99 @@
     width: 100%;
 }
 
+.visually-hidden {
+    position: absolute !important;
+    width: 1px;
+    height: 1px;
+    padding: 0;
+    margin: -1px;
+    overflow: hidden;
+    clip: rect(0, 0, 0, 0);
+    white-space: nowrap;
+    border: 0;
+}
+
+.forum-hero {
+    padding: 0.9rem 0.95rem;
+    border: 1px solid rgba(148, 163, 184, 0.28);
+    border-radius: var(--radius-lg);
+    margin-bottom: 0.9rem;
+    background:
+        linear-gradient(145deg, rgba(3, 105, 161, 0.07), rgba(15, 23, 42, 0.04)),
+        var(--bg-card);
+    box-shadow: var(--shadow);
+}
+
+.forum-hero-kicker {
+    margin: 0;
+    color: var(--accent);
+    font-size: 0.75rem;
+    font-family: var(--font-mono);
+    text-transform: uppercase;
+    letter-spacing: 0.05em;
+}
+
+.forum-hero h1 {
+    margin: 0.28rem 0 0.38rem;
+    font-size: clamp(1.18rem, 2vw, 1.52rem);
+    color: var(--text);
+    line-height: 1.3;
+}
+
+.forum-hero p {
+    margin: 0;
+    color: var(--text-muted);
+    max-width: 72ch;
+    font-size: 0.88rem;
+    line-height: 1.62;
+}
+
+.forum-hero-meta {
+    margin-top: 0.7rem;
+    display: flex;
+    align-items: center;
+    flex-wrap: wrap;
+    gap: 0.55rem;
+    color: var(--text-muted);
+    font-size: 0.78rem;
+}
+
+.forum-hero-meta span {
+    border: 1px solid var(--border);
+    border-radius: 999px;
+    padding: 0.2rem 0.54rem;
+    background: var(--bg-card);
+}
+
+.forum-breadcrumb {
+    display: flex;
+    align-items: center;
+    flex-wrap: wrap;
+    gap: 0.38rem;
+    margin-bottom: 0.72rem;
+    font-size: 0.76rem;
+    color: var(--text-muted);
+}
+
+.forum-breadcrumb a {
+    color: var(--accent);
+    text-decoration: none;
+}
+
+.forum-breadcrumb a:hover {
+    text-decoration: underline;
+    text-underline-offset: 2px;
+}
+
+a:focus-visible,
+button:focus-visible,
+input:focus-visible,
+select:focus-visible,
+textarea:focus-visible {
+    outline: 2px solid var(--accent);
+    outline-offset: 2px;
+}
+
 .forum-topline {
     display: flex;
     align-items: center;
@@ -335,29 +469,57 @@
     display: flex;
     align-items: center;
     justify-content: space-between;
+    flex-wrap: wrap;
     gap: 0.75rem;
-    padding: 0.58rem 0.92rem;
+    padding: 0.72rem 0.92rem;
     border-top: 1px solid var(--border);
-    background: var(--bg-card);
+    background: linear-gradient(180deg, rgba(248, 250, 252, 0.75), rgba(248, 250, 252, 0.3));
+}
+
+.topic-footer-controls {
+    display: inline-flex;
+    align-items: center;
+    justify-content: flex-end;
+    flex-wrap: wrap;
+    gap: 0.45rem;
+    margin-left: auto;
 }
 
 .page-size-form {
     display: inline-flex;
     align-items: center;
     gap: 0.4rem;
+    padding: 0.22rem 0.3rem;
+    border: 1px solid var(--border);
+    border-radius: 10px;
+    background: var(--bg-elevated);
     font-size: 0.78rem;
     color: var(--text-muted);
 }
 
+.page-size-form label,
+.page-size-form span {
+    color: var(--text-muted);
+    font-size: 0.76rem;
+    font-weight: 600;
+}
+
 .page-size-form select {
     border: 1px solid var(--border);
-    border-radius: 6px;
-    background: var(--bg-elevated);
+    border-radius: 8px;
+    background: var(--bg-card);
     color: var(--text);
-    font-size: 0.82rem;
-    line-height: 1.2;
-    padding: 0.26rem 0.42rem;
+    font-size: 0.8rem;
+    font-weight: 600;
+    min-height: 32px;
+    padding: 0.22rem 0.48rem;
     cursor: pointer;
+    transition: var(--transition);
+}
+
+.page-size-form select:hover {
+    border-color: var(--accent);
+    background: var(--accent-glow);
 }
 
 .page-size-form select:focus {
@@ -498,25 +660,35 @@
 
 .forum-pagination {
     display: flex;
+    align-items: center;
     flex-wrap: wrap;
     gap: 0.4rem;
     padding: 0.78rem 0.92rem;
     border-top: 1px solid var(--border);
+    background: var(--bg-card);
+}
+
+.forum-pagination-inline {
+    padding: 0;
+    border-top: none;
+    background: transparent;
 }
 
 .page-link {
     display: inline-flex;
     align-items: center;
     justify-content: center;
-    min-width: 34px;
-    height: 30px;
-    padding: 0 0.55rem;
+    min-width: 36px;
+    height: 32px;
+    padding: 0 0.6rem;
     text-decoration: none;
     border: 1px solid var(--border);
-    border-radius: 6px;
+    border-radius: 8px;
     color: var(--text-muted);
     background: var(--bg-card);
     font-size: 0.8rem;
+    font-weight: 600;
+    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
     transition: var(--transition);
 }
 
@@ -524,17 +696,22 @@
     color: var(--accent);
     border-color: var(--accent);
     background: var(--accent-glow);
+    transform: translateY(-1px);
+    box-shadow: 0 6px 14px rgba(3, 105, 161, 0.14);
 }
 
 .page-link.active {
     color: #fff;
     border-color: var(--accent);
     background: var(--accent);
+    box-shadow: 0 8px 16px rgba(3, 105, 161, 0.2);
 }
 
 .page-link.disabled {
     color: var(--text-muted);
     opacity: 0.5;
+    pointer-events: none;
+    box-shadow: none;
 }
 
 .forum-sidebar {
@@ -1126,6 +1303,24 @@
 }
 
 @media (max-width: 768px) {
+    .forum-hero {
+        padding: 0.78rem 0.8rem;
+    }
+
+    .forum-hero-meta {
+        gap: 0.42rem;
+    }
+
+    .forum-header-inner-with-center {
+        display: flex;
+    }
+
+    .forum-top-nav {
+        width: 100%;
+        justify-content: center;
+        order: 2;
+    }
+
     .forum-header {
         padding: 1.5rem 1rem;
     }
@@ -1182,6 +1377,21 @@
         align-items: flex-start;
     }
 
+    .topic-footer-controls {
+        width: 100%;
+        margin-left: 0;
+        justify-content: flex-start;
+    }
+
+    .forum-pagination-inline {
+        width: 100%;
+    }
+
+    .page-size-form {
+        width: 100%;
+        justify-content: flex-start;
+    }
+
     .topic-head {
         grid-template-columns: minmax(0, 1fr) 64px 64px;
     }
@@ -1241,6 +1451,7 @@
 }
 
 .forum-primary-nav a,
+.forum-top-nav a,
 .forum-link {
     font-weight: 600;
 }
@@ -1320,9 +1531,36 @@
     background: rgba(3, 105, 161, 0.08);
 }
 
+.topic-footer {
+    border-top-color: rgba(148, 163, 184, 0.3);
+    background: linear-gradient(180deg, rgba(248, 250, 252, 0.78), rgba(248, 250, 252, 0.42));
+}
+
+.page-size-form {
+    border-color: rgba(148, 163, 184, 0.38);
+    background: rgba(255, 255, 255, 0.9);
+}
+
+.page-size-form label,
+.page-size-form span {
+    color: #475569;
+}
+
+.page-size-form select {
+    border-color: rgba(148, 163, 184, 0.38);
+    background: rgba(255, 255, 255, 0.9);
+    color: #0f172a;
+}
+
+.page-size-form select:hover {
+    border-color: rgba(3, 105, 161, 0.45);
+    background: rgba(3, 105, 161, 0.08);
+}
+
 .page-link {
     border-color: rgba(148, 163, 184, 0.38);
     background: rgba(255, 255, 255, 0.9);
+    color: #334155;
 }
 
 .page-link.active {
diff --git a/static/css/style.css b/static/css/style.css
index 8bef15d..eefc5d0 100644
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -2965,3 +2965,233 @@ html {
         border-radius: 12px;
     }
 }
+
+/* ==========================================================================
+   SEO + Compliance Sections
+   ========================================================================== */
+
+a:focus-visible,
+button:focus-visible,
+input:focus-visible,
+select:focus-visible,
+summary:focus-visible {
+    outline: 2px solid #0369a1;
+    outline-offset: 2px;
+}
+
+.no-js-note {
+    margin: 0;
+    padding: 0.72rem 0.86rem;
+    border-radius: 12px;
+    border: 1px solid rgba(148, 163, 184, 0.3);
+    background: rgba(241, 245, 249, 0.9);
+    color: #334155;
+    font-size: 0.83rem;
+}
+
+.seo-faq {
+    border: 1px solid rgba(148, 163, 184, 0.3);
+    border-radius: 16px;
+    background: rgba(255, 255, 255, 0.94);
+    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08), 0 16px 26px rgba(15, 23, 42, 0.06);
+    padding: 1rem;
+}
+
+.seo-faq .section-head h2 {
+    margin: 0;
+    color: #020617;
+    font-size: 1.02rem;
+}
+
+.seo-faq .section-head p {
+    margin: 0.34rem 0 0;
+    color: #64748b;
+    font-size: 0.84rem;
+}
+
+.faq-grid {
+    margin-top: 0.78rem;
+    display: grid;
+    gap: 0.62rem;
+}
+
+.faq-item {
+    border: 1px solid rgba(148, 163, 184, 0.3);
+    border-radius: 12px;
+    background: #ffffff;
+    padding: 0.66rem 0.78rem;
+}
+
+.faq-item summary {
+    cursor: pointer;
+    font-weight: 600;
+    color: #0f172a;
+    list-style: none;
+}
+
+.faq-item summary::-webkit-details-marker {
+    display: none;
+}
+
+.faq-item p {
+    margin: 0.5rem 0 0;
+    color: #334155;
+    font-size: 0.88rem;
+}
+
+.commercial-cta {
+    border-radius: 16px;
+    border: 1px solid rgba(15, 23, 42, 0.14);
+    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
+    color: #f8fafc;
+    padding: 1rem;
+}
+
+.commercial-cta h2 {
+    margin: 0;
+    font-size: 1.08rem;
+}
+
+.commercial-cta p {
+    margin: 0.4rem 0 0;
+    color: rgba(226, 232, 240, 0.9);
+    font-size: 0.9rem;
+}
+
+.cta-actions {
+    margin-top: 0.78rem;
+    display: flex;
+    flex-wrap: wrap;
+    gap: 0.58rem;
+}
+
+.cta-btn {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    min-height: 38px;
+    border-radius: 10px;
+    padding: 0.48rem 0.84rem;
+    font-size: 0.86rem;
+    font-weight: 600;
+    text-decoration: none;
+    transition: all 0.2s ease;
+}
+
+.cta-btn-primary {
+    background: #0ea5e9;
+    color: #f8fafc;
+}
+
+.cta-btn-primary:hover {
+    background: #0284c7;
+    transform: translateY(-1px);
+}
+
+.cta-btn-secondary {
+    border: 1px solid rgba(226, 232, 240, 0.45);
+    color: #f8fafc;
+}
+
+.cta-btn-secondary:hover {
+    border-color: rgba(226, 232, 240, 0.8);
+    background: rgba(15, 23, 42, 0.28);
+}
+
+.footer-links {
+    margin: 0.5rem 0;
+    display: inline-flex;
+    flex-wrap: wrap;
+    gap: 0.7rem;
+    justify-content: center;
+}
+
+.footer-links a {
+    color: #334155;
+    text-decoration: none;
+    font-size: 0.82rem;
+    font-weight: 600;
+}
+
+.footer-links a:hover {
+    color: #0f172a;
+    text-decoration: underline;
+}
+
+.policy-page {
+    background:
+        radial-gradient(1100px 460px at 10% -10%, rgba(3, 105, 161, 0.07), transparent 60%),
+        radial-gradient(900px 430px at 90% -15%, rgba(15, 23, 42, 0.08), transparent 62%),
+        var(--bg);
+}
+
+.policy-shell {
+    max-width: 920px;
+    width: 100%;
+    margin: 0 auto;
+    padding-top: 1.25rem;
+    padding-bottom: 1.7rem;
+}
+
+.policy-card {
+    border-radius: 16px;
+    border: 1px solid rgba(148, 163, 184, 0.3);
+    background: rgba(255, 255, 255, 0.95);
+    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08), 0 14px 26px rgba(15, 23, 42, 0.07);
+    padding: 1.1rem;
+}
+
+.policy-card h1 {
+    margin: 0;
+    font-size: clamp(1.3rem, 2.5vw, 1.82rem);
+    letter-spacing: -0.02em;
+}
+
+.policy-updated {
+    margin: 0.45rem 0 1rem;
+    color: #64748b;
+    font-size: 0.85rem;
+}
+
+.policy-card section + section {
+    margin-top: 0.82rem;
+}
+
+.policy-card h2 {
+    margin: 0;
+    font-size: 0.95rem;
+    color: #0f172a;
+}
+
+.policy-card p {
+    margin: 0.38rem 0 0;
+    color: #334155;
+    font-size: 0.91rem;
+    line-height: 1.6;
+}
+
+.policy-card a {
+    color: #0369a1;
+    text-decoration: none;
+}
+
+.policy-card a:hover {
+    text-decoration: underline;
+}
+
+@media (max-width: 768px) {
+    .seo-faq,
+    .commercial-cta,
+    .policy-card {
+        border-radius: 14px;
+        padding: 0.9rem;
+    }
+
+    .cta-actions {
+        flex-direction: column;
+    }
+
+    .cta-btn {
+        width: 100%;
+    }
+}
diff --git a/static/js/main-simple.js b/static/js/main-simple.js
index 31c16cb..67e36af 100644
--- a/static/js/main-simple.js
+++ b/static/js/main-simple.js
@@ -318,7 +318,7 @@
             '<td>' + plan.traffic + '</td>' +
             '<td class="col-price">' + displayPrice + '</td>' +
             '<td class="col-link">' +
-                '<a href="' + escapeHtml(plan.official_url) + '" target="_blank" rel="noopener" class="btn-link">' + btnText + '</a>' +
+                '<a href="' + escapeHtml(plan.official_url) + '" target="_blank" rel="noopener noreferrer nofollow" class="btn-link">' + btnText + '</a>' +
             '</td>';
 
         return tr;
diff --git a/templates/auth/login.html b/templates/auth/login.html
index 2b41af3..5b83849 100644
--- a/templates/auth/login.html
+++ b/templates/auth/login.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="robots" content="noindex,follow">
     <title>{{ l('用户登录', 'Login') }} - {{ l('云价眼', 'VPS Price') }}</title>
     <link rel="icon" type="image/svg+xml" href="{{ url_for('static', filename='img/site-logo-mark.svg') }}">
     <link rel="stylesheet" href="/static/css/style.css">
diff --git a/templates/auth/register.html b/templates/auth/register.html
index a39f980..a49020b 100644
--- a/templates/auth/register.html
+++ b/templates/auth/register.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="robots" content="noindex,follow">
     <title>{{ l('用户注册', 'Register') }} - {{ l('云价眼', 'VPS Price') }}</title>
     <link rel="icon" type="image/svg+xml" href="{{ url_for('static', filename='img/site-logo-mark.svg') }}">
     <link rel="stylesheet" href="/static/css/style.css">
diff --git a/templates/forum/comment_form.html b/templates/forum/comment_form.html
index a6d7ba7..0f8ca75 100644
--- a/templates/forum/comment_form.html
+++ b/templates/forum/comment_form.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="robots" content="noindex,follow">
     <title>{{ l('编辑评论', 'Edit Comment') }} - {{ l('论坛', 'Forum') }}</title>
     <link rel="icon" type="image/svg+xml" href="{{ url_for('static', filename='img/site-logo-mark.svg') }}">
     <link rel="stylesheet" href="/static/css/style.css">
diff --git a/templates/forum/index.html b/templates/forum/index.html
index 75a46f2..f4e2a63 100644
--- a/templates/forum/index.html
+++ b/templates/forum/index.html
@@ -3,8 +3,35 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>{{ l('论坛', 'Forum') }} - {{ l('云价眼', 'VPS Price') }}</title>
+    <title>{{ seo.title if seo else (l('论坛', 'Forum') ~ ' - ' ~ l('云价眼', 'VPS Price')) }}</title>
     <link rel="icon" type="image/svg+xml" href="{{ url_for('static', filename='img/site-logo-mark.svg') }}">
+    {% if seo %}
+    <meta name="description" content="{{ seo.description }}">
+    <meta name="keywords" content="{{ seo.keywords }}">
+    <meta name="robots" content="{{ seo.robots }}">
+    <meta name="theme-color" content="#0F172A">
+    <link rel="canonical" href="{{ seo.canonical_url }}">
+    {% if seo.prev_canonical_url %}<link rel="prev" href="{{ seo.prev_canonical_url }}">{% endif %}
+    {% if seo.next_canonical_url %}<link rel="next" href="{{ seo.next_canonical_url }}">{% endif %}
+    {% for hreflang, href in seo.alternate_links.items() %}
+    <link rel="alternate" hreflang="{{ hreflang }}" href="{{ href }}">
+    {% endfor %}
+    {% if seo.feed_url %}
+    <link rel="alternate" type="application/rss+xml" title="{{ l('论坛 RSS 订阅', 'Forum RSS Feed') }}" href="{{ seo.feed_url }}">
+    {% endif %}
+    <meta property="og:type" content="{{ seo.og_type }}">
+    <meta property="og:url" content="{{ seo.og_url }}">
+    <meta property="og:title" content="{{ seo.og_title }}">
+    <meta property="og:description" content="{{ seo.og_description }}">
+    <meta property="og:image" content="{{ seo.og_image }}">
+    <meta name="twitter:card" content="{{ seo.twitter_card }}">
+    <meta name="twitter:title" content="{{ seo.twitter_title }}">
+    <meta name="twitter:description" content="{{ seo.twitter_description }}">
+    <meta name="twitter:image" content="{{ seo.og_image }}">
+    {% if seo_schema %}
+    <script type="application/ld+json">{{ seo_schema | tojson }}</script>
+    {% endif %}
+    {% endif %}
     <link rel="stylesheet" href="/static/css/style.css">
     <link rel="stylesheet" href="/static/css/forum.css">
 </head>
@@ -12,20 +39,17 @@
     {% set cards = post_cards if post_cards is defined else [] %}
     {% set sb = sidebar if sidebar is defined else {'total_users': 0, 'total_posts': 0, 'total_comments': 0, 'category_counts': [], 'active_users': []} %}
     <header class="forum-header">
-        <div class="forum-header-inner">
+        <div class="forum-header-inner forum-header-inner-with-center">
             <div class="forum-header-left">
                 <a href="{{ url_for('forum_index') }}" class="forum-logo">
                     <img src="{{ url_for('static', filename='img/site-logo-mark.svg') }}" alt="{{ l('云价眼 Logo', 'VPS Price Logo') }}">
                     <span>{{ l('云价眼论坛', 'VPS Price Forum') }}</span>
                 </a>
-                <nav class="forum-primary-nav">
-                    {% for item in tab_links %}
-                    <a href="{{ item.url }}" class="{{ 'active' if item.active else '' }}">{{ item.label }}</a>
-                    {% endfor %}
-                    <a href="{{ category_nav_url }}" class="{{ 'active' if selected_category else '' }}">{{ l('分类', 'Categories') }}</a>
-                    <a href="{{ url_for('index') }}">{{ l('价格表', 'Pricing') }}</a>
-                </nav>
             </div>
+            <nav class="forum-top-nav" aria-label="{{ l('站点导航', 'Site navigation') }}">
+                <a href="{{ url_for('forum_index') }}" class="active">{{ l('论坛', 'Forum') }}</a>
+                <a href="{{ url_for('index') }}">{{ l('价格表', 'Pricing') }}</a>
+            </nav>
             <div class="forum-header-right">
                 <span class="lang-switch">
                     <a href="{{ lang_url('zh') }}" class="{{ 'active' if lang == 'zh' else '' }}" title="切换到中文">中文</a>
@@ -46,6 +70,16 @@
     </header>
 
     <main class="forum-shell">
+        <section class="forum-hero" aria-labelledby="forum-hero-title">
+            <p class="forum-hero-kicker">{{ l('商业化社区入口', 'Commercial Community Hub') }}</p>
+            <h1 id="forum-hero-title">{{ forum_heading if forum_heading is defined else l('VPS 社区论坛', 'VPS Community Forum') }}</h1>
+            <p>{{ forum_intro if forum_intro is defined else l('聚合 VPS 评测、运维经验与采购讨论。', 'A discussion space for VPS reviews, operations, and buying decisions.') }}</p>
+            <div class="forum-hero-meta">
+                <span>{{ l('帖子总数', 'Total topics') }} {{ sb.total_posts }}</span>
+                <span>{{ l('活跃用户', 'Active users') }} {{ sb.total_users }}</span>
+                <a href="{{ forum_feed_url if forum_feed_url is defined else seo.feed_url }}" class="forum-link">{{ l('RSS 订阅', 'RSS Feed') }}</a>
+            </div>
+        </section>
         <section class="forum-topline">
             <div class="forum-tabs">
                 {% for item in tab_links %}
@@ -77,7 +111,8 @@
                 {% if selected_category %}
                 <input type="hidden" name="category" value="{{ selected_category }}">
                 {% endif %}
-                <input type="text" name="q" value="{{ search_query or '' }}" placeholder="{{ l('搜索标题、正文、作者', 'Search title, content, author') }}" maxlength="80">
+                <label for="forum-search-q" class="visually-hidden">{{ l('搜索帖子', 'Search topics') }}</label>
+                <input id="forum-search-q" type="text" name="q" value="{{ search_query or '' }}" placeholder="{{ l('搜索标题、正文、作者', 'Search title, content, author') }}" maxlength="80">
                 <button type="submit" class="forum-btn-primary">{{ l('搜索', 'Search') }}</button>
                 {% if search_query %}
                 <a href="{{ clear_search_url }}" class="forum-btn-muted">{{ l('清空搜索', 'Clear Search') }}</a>
@@ -86,7 +121,7 @@
                 <a href="{{ clear_all_url }}" class="forum-btn-muted">{{ l('重置全部', 'Reset All') }}</a>
                 {% endif %}
             </form>
-            <div class="category-bar">
+            <nav class="category-bar" aria-label="{{ l('论坛分类', 'Forum categories') }}">
                 {% for item in category_links %}
                 <a href="{{ item.url }}" class="category-chip {{ 'active' if item.active else '' }}">
                     <span>{{ item.name }}</span>
@@ -95,11 +130,12 @@
                     {% endif %}
                 </a>
                 {% endfor %}
-            </div>
+            </nav>
         </section>
 
-        <section class="forum-layout">
+        <section class="forum-layout" aria-labelledby="forum-topic-list-title">
             <div class="topic-stream">
+                <h2 id="forum-topic-list-title" class="visually-hidden">{{ l('论坛主题列表', 'Forum topic list') }}</h2>
                 <div class="topic-head">
                     <div class="topic-col-main">{{ l('主题', 'Topic') }}</div>
                     <div class="topic-col-mini">{{ l('回复', 'Replies') }}</div>
@@ -115,7 +151,7 @@
                         <div class="topic-main">
                             <div class="topic-avatar">{{ item.author_initial }}</div>
                             <div class="topic-content">
-                                <a href="{{ url_for('forum_post_detail', post_id=post.id) }}" class="topic-title">
+                                <a href="{{ url_for('forum_post_detail', post_id=post.id) }}" rel="bookmark" class="topic-title">
                                     {% if post.is_pinned %}<span class="topic-flag flag-pinned">{{ l('置顶', 'Pinned') }}</span>{% endif %}
                                     {% if post.is_featured %}<span class="topic-flag flag-featured">{{ l('精华', 'Featured') }}</span>{% endif %}
                                     {% if post.is_locked %}<span class="topic-flag flag-locked">{{ l('锁帖', 'Locked') }}</span>{% endif %}
@@ -124,7 +160,9 @@
                                 <div class="topic-meta">
                                     <span class="topic-category">{{ post.category or l('综合讨论', 'General') }}</span>
                                     <span>{{ item.author_name }}</span>
-                                    <span>{{ post.created_at.strftime('%Y-%m-%d %H:%M') if post.created_at else '' }}</span>
+                                    {% if post.created_at %}
+                                    <time datetime="{{ post.created_at.strftime('%Y-%m-%dT%H:%M:%SZ') }}">{{ post.created_at.strftime('%Y-%m-%d %H:%M') }}</time>
+                                    {% endif %}
                                     <span>{{ l('点赞', 'Likes') }} {{ item.like_count }}</span>
                                     <span>{{ l('收藏', 'Bookmarks') }} {{ item.bookmark_count }}</span>
                                 </div>
@@ -132,27 +170,10 @@
                         </div>
                         <div class="topic-stat">{{ item.reply_count }}</div>
                         <div class="topic-stat">{{ item.view_count }}</div>
-                        <div class="topic-stat topic-activity">{{ item.latest_activity_text }}</div>
+                        <div class="topic-stat topic-activity" title="{{ item.latest_activity.strftime('%Y-%m-%d %H:%M') if item.latest_activity else '' }}">{{ item.latest_activity_text }}</div>
                     </li>
                     {% endfor %}
                 </ul>
-                {% if total_pages > 1 %}
-                <nav class="forum-pagination" aria-label="{{ l('帖子分页', 'Post pagination') }}">
-                    {% if has_prev %}
-                    <a href="{{ prev_page_url }}" class="page-link">{{ l('上一页', 'Prev') }}</a>
-                    {% else %}
-                    <span class="page-link disabled">{{ l('上一页', 'Prev') }}</span>
-                    {% endif %}
-                    {% for item in page_links %}
-                    <a href="{{ item.url }}" class="page-link {{ 'active' if item.active else '' }}">{{ item.num }}</a>
-                    {% endfor %}
-                    {% if has_next %}
-                    <a href="{{ next_page_url }}" class="page-link">{{ l('下一页', 'Next') }}</a>
-                    {% else %}
-                    <span class="page-link disabled">{{ l('下一页', 'Next') }}</span>
-                    {% endif %}
-                </nav>
-                {% endif %}
                 {% else %}
                 <div class="topic-empty">{{ empty_hint }}</div>
                 {% endif %}
@@ -165,23 +186,42 @@
                         第 {{ current_page }} / {{ total_pages }} 页 · 显示 {{ result_start }} - {{ result_end }} / 共 {{ total_posts }} 条
                         {% endif %}
                     </div>
-                    <form method="get" action="{{ url_for('forum_index') }}" class="page-size-form">
-                        <input type="hidden" name="tab" value="{{ active_tab }}">
-                        {% if selected_category %}
-                        <input type="hidden" name="category" value="{{ selected_category }}">
-                        {% endif %}
-                        {% if search_query %}
-                        <input type="hidden" name="q" value="{{ search_query }}">
-                        {% endif %}
-                        <label for="per-page-select">{{ l('每页', 'Per page') }}</label>
-                        <select id="per-page-select" name="per_page" onchange="this.form.submit()">
-                            {% for size in per_page_options %}
-                            <option value="{{ size }}" {{ 'selected' if size == per_page else '' }}>{{ size }}</option>
+                    <div class="topic-footer-controls">
+                        {% if total_pages > 1 %}
+                        <nav class="forum-pagination forum-pagination-inline" aria-label="{{ l('帖子分页', 'Post pagination') }}">
+                            {% if has_prev %}
+                            <a href="{{ prev_page_url }}" class="page-link">{{ l('上一页', 'Prev') }}</a>
+                            {% else %}
+                            <span class="page-link disabled">{{ l('上一页', 'Prev') }}</span>
+                            {% endif %}
+                            {% for item in page_links %}
+                            <a href="{{ item.url }}" class="page-link {{ 'active' if item.active else '' }}">{{ item.num }}</a>
                             {% endfor %}
-                        </select>
-                        <span>{{ l('条', 'items') }}</span>
-                        <noscript><button type="submit" class="forum-btn-muted">{{ l('应用', 'Apply') }}</button></noscript>
-                    </form>
+                            {% if has_next %}
+                            <a href="{{ next_page_url }}" class="page-link">{{ l('下一页', 'Next') }}</a>
+                            {% else %}
+                            <span class="page-link disabled">{{ l('下一页', 'Next') }}</span>
+                            {% endif %}
+                        </nav>
+                        {% endif %}
+                        <form method="get" action="{{ url_for('forum_index') }}" class="page-size-form">
+                            <input type="hidden" name="tab" value="{{ active_tab }}">
+                            {% if selected_category %}
+                            <input type="hidden" name="category" value="{{ selected_category }}">
+                            {% endif %}
+                            {% if search_query %}
+                            <input type="hidden" name="q" value="{{ search_query }}">
+                            {% endif %}
+                            <label for="per-page-select">{{ l('每页', 'Per page') }}</label>
+                            <select id="per-page-select" name="per_page" onchange="this.form.submit()">
+                                {% for size in per_page_options %}
+                                <option value="{{ size }}" {{ 'selected' if size == per_page else '' }}>{{ size }}</option>
+                                {% endfor %}
+                            </select>
+                            <span>{{ l('条', 'items') }}</span>
+                            <noscript><button type="submit" class="forum-btn-muted">{{ l('应用', 'Apply') }}</button></noscript>
+                        </form>
+                    </div>
                 </div>
                 {% endif %}
             </div>
diff --git a/templates/forum/notifications.html b/templates/forum/notifications.html
index 3e23212..2479451 100644
--- a/templates/forum/notifications.html
+++ b/templates/forum/notifications.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="robots" content="noindex,follow">
     <title>{{ l('通知中心', 'Notifications') }} - {{ l('论坛', 'Forum') }}</title>
     <link rel="icon" type="image/svg+xml" href="{{ url_for('static', filename='img/site-logo-mark.svg') }}">
     <link rel="stylesheet" href="/static/css/style.css">
diff --git a/templates/forum/post_detail.html b/templates/forum/post_detail.html
index 9cc3449..9ef0c7d 100644
--- a/templates/forum/post_detail.html
+++ b/templates/forum/post_detail.html
@@ -3,8 +3,36 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>{{ post.title }} - {{ l('论坛', 'Forum') }}</title>
+    <title>{{ seo.title if seo else (post.title ~ ' - ' ~ l('论坛', 'Forum')) }}</title>
     <link rel="icon" type="image/svg+xml" href="{{ url_for('static', filename='img/site-logo-mark.svg') }}">
+    {% if seo %}
+    <meta name="description" content="{{ seo.description }}">
+    <meta name="keywords" content="{{ seo.keywords }}">
+    <meta name="robots" content="{{ seo.robots }}">
+    <meta name="theme-color" content="#0F172A">
+    <link rel="canonical" href="{{ seo.canonical_url }}">
+    {% for hreflang, href in seo.alternate_links.items() %}
+    <link rel="alternate" hreflang="{{ hreflang }}" href="{{ href }}">
+    {% endfor %}
+    {% if seo.feed_url %}
+    <link rel="alternate" type="application/rss+xml" title="{{ l('论坛 RSS 订阅', 'Forum RSS Feed') }}" href="{{ seo.feed_url }}">
+    {% endif %}
+    <meta property="og:type" content="{{ seo.og_type }}">
+    <meta property="og:url" content="{{ seo.og_url }}">
+    <meta property="og:title" content="{{ seo.og_title }}">
+    <meta property="og:description" content="{{ seo.og_description }}">
+    <meta property="og:image" content="{{ seo.og_image }}">
+    <meta property="article:published_time" content="{{ seo.article_published_time }}">
+    <meta property="article:modified_time" content="{{ seo.article_modified_time }}">
+    <meta property="article:section" content="{{ seo.article_section }}">
+    <meta name="twitter:card" content="{{ seo.twitter_card }}">
+    <meta name="twitter:title" content="{{ seo.twitter_title }}">
+    <meta name="twitter:description" content="{{ seo.twitter_description }}">
+    <meta name="twitter:image" content="{{ seo.og_image }}">
+    {% if seo_schema %}
+    <script type="application/ld+json">{{ seo_schema | tojson }}</script>
+    {% endif %}
+    {% endif %}
     <link rel="stylesheet" href="/static/css/style.css">
     <link rel="stylesheet" href="/static/css/forum.css">
 </head>
@@ -45,6 +73,17 @@
     </header>
 
     <main class="forum-shell">
+        <nav class="forum-breadcrumb" aria-label="{{ l('面包屑导航', 'Breadcrumb') }}">
+            <a href="{{ url_for('index') }}">{{ l('首页', 'Home') }}</a>
+            <span>/</span>
+            <a href="{{ url_for('forum_index') }}">{{ l('论坛', 'Forum') }}</a>
+            {% if post.category %}
+            <span>/</span>
+            <a href="{{ url_for('forum_index', category=post.category) }}">{{ post.category }}</a>
+            {% endif %}
+            <span>/</span>
+            <span>{{ post.title }}</span>
+        </nav>
         <section class="forum-layout">
             <div class="topic-stream">
                 <article class="topic-post-card">
@@ -53,7 +92,9 @@
                         {% if post.is_pinned %}<span class="topic-flag flag-pinned">{{ l('置顶', 'Pinned') }}</span>{% endif %}
                         {% if post.is_featured %}<span class="topic-flag flag-featured">{{ l('精华', 'Featured') }}</span>{% endif %}
                         {% if post.is_locked %}<span class="topic-flag flag-locked">{{ l('锁帖', 'Locked') }}</span>{% endif %}
-                        <span>{{ post.created_at.strftime('%Y-%m-%d %H:%M') if post.created_at else '' }}</span>
+                        {% if post.created_at %}
+                        <time datetime="{{ post.created_at.strftime('%Y-%m-%dT%H:%M:%SZ') }}">{{ post.created_at.strftime('%Y-%m-%d %H:%M') }}</time>
+                        {% endif %}
                         <span>{{ l('浏览', 'Views') }} {{ post.view_count or 0 }}</span>
                         <span>{{ l('点赞', 'Likes') }} {{ like_count or 0 }}</span>
                         <span>{{ l('收藏', 'Bookmarks') }} {{ bookmark_count or 0 }}</span>
@@ -125,12 +166,14 @@
                     {% if comments %}
                     <ul class="comment-stream">
                         {% for c in comments %}
-                        <li class="comment-row">
+                        <li id="comment-{{ c.id }}" class="comment-row">
                             <div class="comment-avatar">{{ (c.author_rel.username[0] if c.author_rel and c.author_rel.username else '?')|upper }}</div>
                             <div class="comment-body">
                                 <div class="comment-head">
                                     <span class="comment-author">{{ c.author_rel.username if c.author_rel else l('已注销用户', 'Deleted user') }}</span>
-                                    <span>{{ c.created_at.strftime('%Y-%m-%d %H:%M') if c.created_at else '' }}</span>
+                                    {% if c.created_at %}
+                                    <time datetime="{{ c.created_at.strftime('%Y-%m-%dT%H:%M:%SZ') }}">{{ c.created_at.strftime('%Y-%m-%d %H:%M') }}</time>
+                                    {% endif %}
                                 </div>
                                 <div class="comment-content md-content">{{ c.content|markdown_html }}</div>
                                 <div class="comment-actions">
diff --git a/templates/forum/post_form.html b/templates/forum/post_form.html
index 0d57325..e111ecb 100644
--- a/templates/forum/post_form.html
+++ b/templates/forum/post_form.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="robots" content="noindex,follow">
     <title>{{ l('发布帖子', 'Topic Editor') }} - {{ l('云价眼', 'VPS Price') }}</title>
     <link rel="icon" type="image/svg+xml" href="{{ url_for('static', filename='img/site-logo-mark.svg') }}">
     <link rel="stylesheet" href="/static/css/style.css">
diff --git a/templates/forum/profile.html b/templates/forum/profile.html
index e799c9e..9ae7960 100644
--- a/templates/forum/profile.html
+++ b/templates/forum/profile.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="robots" content="noindex,follow">
     <title>{{ l('个人中心', 'Profile') }} - {{ l('论坛', 'Forum') }}</title>
     <link rel="icon" type="image/svg+xml" href="{{ url_for('static', filename='img/site-logo-mark.svg') }}">
     <link rel="stylesheet" href="/static/css/style.css">
diff --git a/templates/index.html b/templates/index.html
index 6da92a5..d059eec 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -3,37 +3,28 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>{{ t.meta_title }}</title>
+    <title>{{ seo.title }}</title>
     <link rel="icon" type="image/svg+xml" href="{{ url_for('static', filename='img/site-logo-mark.svg') }}">
-    <meta name="description" content="{{ t.meta_description }}">
-    <meta name="keywords" content="{{ t.meta_keywords }}">
-    <link rel="canonical" href="{{ site_url }}/">
-    <!-- Open Graph / 社交分享 -->
-    <meta property="og:type" content="website">
-    <meta property="og:url" content="{{ site_url }}/">
-    <meta property="og:title" content="{{ t.og_title }}">
-    <meta property="og:description" content="{{ t.og_description }}">
+    <meta name="description" content="{{ seo.description }}">
+    <meta name="keywords" content="{{ seo.keywords }}">
+    <meta name="robots" content="{{ seo.robots }}">
+    <meta name="theme-color" content="#0F172A">
+    <link rel="canonical" href="{{ seo.canonical_url }}">
+    {% for hreflang, href in seo.alternate_links.items() %}
+    <link rel="alternate" hreflang="{{ hreflang }}" href="{{ href }}">
+    {% endfor %}
+    <meta property="og:type" content="{{ seo.og_type }}">
+    <meta property="og:url" content="{{ seo.og_url }}">
+    <meta property="og:title" content="{{ seo.og_title }}">
+    <meta property="og:description" content="{{ seo.og_description }}">
+    <meta property="og:image" content="{{ seo.og_image }}">
+    <meta property="og:site_name" content="{{ site_name }}">
     <meta property="og:locale" content="{{ t.og_locale }}">
-    <!-- JSON-LD 结构化数据，便于搜索引擎理解 -->
-    <script type="application/ld+json">
-    {
-      "@context": "https://schema.org",
-      "@type": "WebApplication",
-      "name": "{{ site_name }}",
-      "description": "{{ t.schema_webapp_description }}",
-      "url": "{{ site_url }}",
-      "applicationCategory": "UtilitiesApplication"
-    }
-    </script>
-    <script type="application/ld+json">
-    {
-      "@context": "https://schema.org",
-      "@type": "Table",
-      "about": "{{ t.schema_table_about }}",
-      "name": "{{ t.schema_table_name }}",
-      "description": "{{ t.schema_table_description }}"
-    }
-    </script>
+    <meta name="twitter:card" content="{{ seo.twitter_card }}">
+    <meta name="twitter:title" content="{{ seo.twitter_title }}">
+    <meta name="twitter:description" content="{{ seo.twitter_description }}">
+    <meta name="twitter:image" content="{{ seo.og_image }}">
+    <script type="application/ld+json">{{ seo_schema | tojson }}</script>
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Noto+Sans+SC:wght@400;500;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap" rel="stylesheet">
@@ -44,7 +35,7 @@
         <div class="header-inner">
             <div class="header-brand">
                 <a href="{{ url_for('index', lang=lang) }}" class="site-logo-link" aria-label="{{ site_name }}">
-                    <img src="{{ url_for('static', filename='img/site-logo.svg') }}" alt="{{ site_name }} Logo" class="site-logo">
+                    <img src="{{ url_for('static', filename='img/site-logo.svg') }}" alt="{{ site_name }} Logo" class="site-logo" loading="eager" fetchpriority="high">
                 </a>
                 <p class="tagline">{{ t.tagline }}</p>
             </div>
@@ -193,12 +184,72 @@
                     </tr>
                 </thead>
                 <tbody id="table-body">
-                    <!-- 由 JS 填充 -->
+                    {% if initial_plans_json %}
+                    {% for plan in initial_plans_json %}
+                    <tr>
+                        <td>{{ plan.provider or '-' }}</td>
+                        <td>{{ plan.countries or '-' }}</td>
+                        <td>{{ plan.name or '-' }}</td>
+                        <td>{{ plan.vcpu if plan.vcpu is not none else '-' }}</td>
+                        <td>{{ (plan.memory_gb ~ ' GB') if plan.memory_gb is not none else '-' }}</td>
+                        <td>{{ (plan.storage_gb ~ ' GB') if plan.storage_gb is not none else '-' }}</td>
+                        <td>{{ (plan.bandwidth_mbps ~ ' Mbps') if plan.bandwidth_mbps is not none else '-' }}</td>
+                        <td>{{ plan.traffic or '-' }}</td>
+                        <td class="col-price">
+                            {% if plan.price_cny is not none %}
+                            ¥{{ '%.2f'|format(plan.price_cny) }}
+                            {% elif plan.price_usd is not none %}
+                            ${{ '%.2f'|format(plan.price_usd) }}
+                            {% else %}
+                            —
+                            {% endif %}
+                        </td>
+                        <td class="col-link">
+                            {% if plan.official_url %}
+                            <a href="{{ plan.official_url }}" target="_blank" rel="noopener noreferrer nofollow" class="btn-link">{{ t.btn_visit }}</a>
+                            {% else %}
+                            —
+                            {% endif %}
+                        </td>
+                    </tr>
+                    {% endfor %}
+                    {% else %}
+                    <tr>
+                        <td colspan="10" style="text-align:center; padding: 2rem; color: var(--text-muted);">{{ t.empty_state }}</td>
+                    </tr>
+                    {% endif %}
                 </tbody>
             </table>
         </section>
 
+        <noscript>
+            <p class="no-js-note">{{ t.no_js_note }}</p>
+        </noscript>
         <p class="disclaimer">{{ t.disclaimer }}</p>
+
+        <section class="seo-faq" aria-labelledby="faq-title">
+            <div class="section-head">
+                <h2 id="faq-title">{{ t.faq_title }}</h2>
+                <p>{{ t.faq_intro }}</p>
+            </div>
+            <div class="faq-grid">
+                {% for item in faq_items %}
+                <details class="faq-item" {% if loop.first %}open{% endif %}>
+                    <summary>{{ item.question }}</summary>
+                    <p>{{ item.answer }}</p>
+                </details>
+                {% endfor %}
+            </div>
+        </section>
+
+        <section class="commercial-cta" aria-label="{{ t.cta_title }}">
+            <h2>{{ t.cta_title }}</h2>
+            <p>{{ t.cta_lede }}</p>
+            <div class="cta-actions">
+                <a href="{{ url_for('forum_index') }}" class="cta-btn cta-btn-primary">{{ t.cta_primary }}</a>
+                <a href="https://t.me/dockerse" target="_blank" rel="noopener noreferrer" class="cta-btn cta-btn-secondary">{{ t.cta_secondary }}</a>
+            </div>
+        </section>
     </main>
 
     <footer class="footer">
@@ -207,6 +258,11 @@
             <!-- 在此处粘贴 Google AdSense 代码 -->
         </div>
         <p>{{ t.footer_note }}</p>
+        <nav class="footer-links" aria-label="{{ l('站点链接', 'Site links') }}">
+            <a href="{{ url_for('privacy_policy') }}">{{ l('隐私政策', 'Privacy Policy') }}</a>
+            <a href="{{ url_for('terms_of_service') }}">{{ l('服务条款', 'Terms of Service') }}</a>
+            <a href="{{ url_for('forum_index') }}">{{ l('社区论坛', 'Community Forum') }}</a>
+        </nav>
         <div class="contact-section">
             <p class="contact-label">{{ t.contact_label }}</p>
             <a href="https://t.me/dockerse" target="_blank" rel="noopener" class="contact-link">
@@ -236,6 +292,6 @@
         // 首屏直出数据，避免等待 /api/plans 再渲染表格，加快首屏
         window.__INITIAL_PLANS__ = {{ initial_plans_json|tojson }};
     </script>
-    <script src="/static/js/main-simple.js"></script>
+    <script src="/static/js/main-simple.js" defer></script>
 </body>
 </html>
diff --git a/templates/privacy.html b/templates/privacy.html
new file mode 100644
index 0000000..dfb2255
--- /dev/null
+++ b/templates/privacy.html
@@ -0,0 +1,87 @@
+<!DOCTYPE html>
+<html lang="{{ 'zh-CN' if lang == 'zh' else 'en' }}">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>{{ seo.title }}</title>
+    <link rel="icon" type="image/svg+xml" href="{{ url_for('static', filename='img/site-logo-mark.svg') }}">
+    <meta name="description" content="{{ seo.description }}">
+    <meta name="robots" content="{{ seo.robots }}">
+    <meta name="theme-color" content="#0F172A">
+    <link rel="canonical" href="{{ seo.canonical_url }}">
+    {% for hreflang, href in seo.alternate_links.items() %}
+    <link rel="alternate" hreflang="{{ hreflang }}" href="{{ href }}">
+    {% endfor %}
+    <meta property="og:type" content="{{ seo.og_type }}">
+    <meta property="og:url" content="{{ seo.og_url }}">
+    <meta property="og:title" content="{{ seo.og_title }}">
+    <meta property="og:description" content="{{ seo.og_description }}">
+    <meta property="og:image" content="{{ seo.og_image }}">
+    <meta name="twitter:card" content="{{ seo.twitter_card }}">
+    <meta name="twitter:title" content="{{ seo.twitter_title }}">
+    <meta name="twitter:description" content="{{ seo.twitter_description }}">
+    <script type="application/ld+json">{{ seo_schema | tojson }}</script>
+    <link rel="stylesheet" href="/static/css/style.css">
+</head>
+<body class="policy-page">
+    <header class="header">
+        <div class="header-inner">
+            <div class="header-brand">
+                <a href="{{ url_for('index') }}" class="site-logo-link" aria-label="{{ l('云价眼首页', 'VPS Price home') }}">
+                    <img src="{{ url_for('static', filename='img/site-logo.svg') }}" alt="{{ l('云价眼 Logo', 'VPS Price Logo') }}" class="site-logo" loading="eager" fetchpriority="high">
+                </a>
+            </div>
+            <nav class="header-nav">
+                <span class="lang-switch">
+                    <a href="{{ lang_url('zh') }}" class="{{ 'active' if lang == 'zh' else '' }}" title="切换到中文">中文</a>
+                    <span class="lang-sep">|</span>
+                    <a href="{{ lang_url('en') }}" class="{{ 'active' if lang == 'en' else '' }}" title="Switch to English">English</a>
+                </span>
+                <a href="{{ url_for('index') }}">{{ l('价格总览', 'Pricing') }}</a>
+                <a href="{{ url_for('forum_index') }}">{{ l('论坛', 'Forum') }}</a>
+                <a href="{{ url_for('terms_of_service') }}">{{ l('服务条款', 'Terms') }}</a>
+            </nav>
+        </div>
+    </header>
+
+    <main class="main policy-shell">
+        <article class="policy-card">
+            <h1>{{ l('隐私政策', 'Privacy Policy') }}</h1>
+            <p class="policy-updated">{{ l('最后更新：', 'Last Updated: ') }}{{ updated_on }}</p>
+            <section>
+                <h2>{{ l('1. 我们收集的信息', '1. Information We Collect') }}</h2>
+                <p>{{ l('当你访问本站时，我们会记录基础访问日志（如 IP、浏览器信息、访问时间）用于安全审计与性能优化。注册论坛时，我们会保存你提交的账号信息与帖子内容。', 'When you visit the website, we collect basic access logs (such as IP, browser, and visit time) for security and performance monitoring. If you register in the forum, we store the account details and content you submit.') }}</p>
+            </section>
+            <section>
+                <h2>{{ l('2. 信息用途', '2. How We Use Data') }}</h2>
+                <p>{{ l('数据仅用于网站运营、账户管理、内容审核、反垃圾处理、统计分析与服务稳定性保障。', 'Data is used only for site operations, account management, moderation, anti-abuse handling, analytics, and service reliability.') }}</p>
+            </section>
+            <section>
+                <h2>{{ l('3. Cookie 与会话', '3. Cookies and Session') }}</h2>
+                <p>{{ l('本站使用必要 Cookie 维持登录状态与语言偏好，不用于出售或跨站追踪个人身份。', 'We use necessary cookies for login sessions and language preferences. They are not used for selling personal data or cross-site identity tracking.') }}</p>
+            </section>
+            <section>
+                <h2>{{ l('4. 第三方链接与广告', '4. Third-party Links and Ads') }}</h2>
+                <p>{{ l('页面包含云厂商官网等外部链接，跳转后将受对方隐私政策约束。若启用广告（如 AdSense），第三方可能依据其政策处理展示与测量数据。', 'Pages include external links such as provider websites. Once you leave this site, their privacy policies apply. If ads (e.g., AdSense) are enabled, third parties may process display and measurement data under their own policies.') }}</p>
+            </section>
+            <section>
+                <h2>{{ l('5. 数据保留与删除', '5. Data Retention and Deletion') }}</h2>
+                <p>{{ l('论坛内容会在服务运营期间保留。若你希望删除账号或相关数据，可通过页面底部联系方式提交申请。', 'Forum content is retained while the service is operational. You may request account or related data deletion using the contact channel in the footer.') }}</p>
+            </section>
+            <section>
+                <h2>{{ l('6. 联系方式', '6. Contact') }}</h2>
+                <p>{{ l('如有隐私问题，请通过 Telegram 联系：', 'For privacy inquiries, contact us via Telegram: ') }}<a href="https://t.me/dockerse" target="_blank" rel="noopener noreferrer">@dockerse</a></p>
+            </section>
+        </article>
+    </main>
+
+    <footer class="footer">
+        <p>{{ l('仅作采购调研参考 · 请以各云厂商官网实时价格为准', 'For research and shortlisting only. Verify live pricing with provider websites.') }}</p>
+        <nav class="footer-links" aria-label="{{ l('站点链接', 'Site links') }}">
+            <a href="{{ url_for('index') }}">{{ l('首页', 'Home') }}</a>
+            <a href="{{ url_for('forum_index') }}">{{ l('论坛', 'Forum') }}</a>
+            <a href="{{ url_for('terms_of_service') }}">{{ l('服务条款', 'Terms') }}</a>
+        </nav>
+    </footer>
+</body>
+</html>
diff --git a/templates/terms.html b/templates/terms.html
new file mode 100644
index 0000000..575dd60
--- /dev/null
+++ b/templates/terms.html
@@ -0,0 +1,91 @@
+<!DOCTYPE html>
+<html lang="{{ 'zh-CN' if lang == 'zh' else 'en' }}">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>{{ seo.title }}</title>
+    <link rel="icon" type="image/svg+xml" href="{{ url_for('static', filename='img/site-logo-mark.svg') }}">
+    <meta name="description" content="{{ seo.description }}">
+    <meta name="robots" content="{{ seo.robots }}">
+    <meta name="theme-color" content="#0F172A">
+    <link rel="canonical" href="{{ seo.canonical_url }}">
+    {% for hreflang, href in seo.alternate_links.items() %}
+    <link rel="alternate" hreflang="{{ hreflang }}" href="{{ href }}">
+    {% endfor %}
+    <meta property="og:type" content="{{ seo.og_type }}">
+    <meta property="og:url" content="{{ seo.og_url }}">
+    <meta property="og:title" content="{{ seo.og_title }}">
+    <meta property="og:description" content="{{ seo.og_description }}">
+    <meta property="og:image" content="{{ seo.og_image }}">
+    <meta name="twitter:card" content="{{ seo.twitter_card }}">
+    <meta name="twitter:title" content="{{ seo.twitter_title }}">
+    <meta name="twitter:description" content="{{ seo.twitter_description }}">
+    <script type="application/ld+json">{{ seo_schema | tojson }}</script>
+    <link rel="stylesheet" href="/static/css/style.css">
+</head>
+<body class="policy-page">
+    <header class="header">
+        <div class="header-inner">
+            <div class="header-brand">
+                <a href="{{ url_for('index') }}" class="site-logo-link" aria-label="{{ l('云价眼首页', 'VPS Price home') }}">
+                    <img src="{{ url_for('static', filename='img/site-logo.svg') }}" alt="{{ l('云价眼 Logo', 'VPS Price Logo') }}" class="site-logo" loading="eager" fetchpriority="high">
+                </a>
+            </div>
+            <nav class="header-nav">
+                <span class="lang-switch">
+                    <a href="{{ lang_url('zh') }}" class="{{ 'active' if lang == 'zh' else '' }}" title="切换到中文">中文</a>
+                    <span class="lang-sep">|</span>
+                    <a href="{{ lang_url('en') }}" class="{{ 'active' if lang == 'en' else '' }}" title="Switch to English">English</a>
+                </span>
+                <a href="{{ url_for('index') }}">{{ l('价格总览', 'Pricing') }}</a>
+                <a href="{{ url_for('forum_index') }}">{{ l('论坛', 'Forum') }}</a>
+                <a href="{{ url_for('privacy_policy') }}">{{ l('隐私政策', 'Privacy') }}</a>
+            </nav>
+        </div>
+    </header>
+
+    <main class="main policy-shell">
+        <article class="policy-card">
+            <h1>{{ l('服务条款', 'Terms of Service') }}</h1>
+            <p class="policy-updated">{{ l('最后更新：', 'Last Updated: ') }}{{ updated_on }}</p>
+            <section>
+                <h2>{{ l('1. 服务定位', '1. Service Scope') }}</h2>
+                <p>{{ l('本站提供 VPS 公开价格与配置信息聚合，以及社区交流功能，目标是辅助调研与方案初筛，不直接参与交易。', 'This website provides VPS public pricing/spec aggregation and community discussions for research and shortlisting. It does not directly process purchases.') }}</p>
+            </section>
+            <section>
+                <h2>{{ l('2. 价格与数据声明', '2. Pricing and Data Disclaimer') }}</h2>
+                <p>{{ l('站点展示的数据可能存在时间差、促销差异或规则变更。任何采购决策前，必须以云厂商官网与正式合同条款为准。', 'Displayed data may include timing delays, promotional differences, or policy changes. Before any procurement decision, verify details against the provider website and official contract terms.') }}</p>
+            </section>
+            <section>
+                <h2>{{ l('3. 账户与社区内容', '3. Accounts and Community Content') }}</h2>
+                <p>{{ l('用户需对发布内容负责，不得发布违法、侵权、垃圾广告或恶意攻击信息。站点有权对违规内容执行删除、限制或封禁处理。', 'Users are responsible for posted content and must not publish illegal, infringing, spam, or abusive material. The site may remove content, restrict actions, or ban accounts for violations.') }}</p>
+            </section>
+            <section>
+                <h2>{{ l('4. 第三方链接', '4. Third-party Links') }}</h2>
+                <p>{{ l('站内链接可能跳转到第三方网站，相关产品、服务、条款和隐私实践由第三方独立承担。', 'Links may direct you to third-party sites. Their products, services, terms, and privacy practices are managed independently by those third parties.') }}</p>
+            </section>
+            <section>
+                <h2>{{ l('5. 责任限制', '5. Limitation of Liability') }}</h2>
+                <p>{{ l('在法律允许范围内，本站不对因使用或依赖站点信息导致的直接或间接损失承担责任。', 'To the extent permitted by law, this site is not liable for direct or indirect losses caused by use of, or reliance on, information provided here.') }}</p>
+            </section>
+            <section>
+                <h2>{{ l('6. 条款更新', '6. Updates to Terms') }}</h2>
+                <p>{{ l('我们可能根据运营与合规需要更新本条款，更新后将在页面标注日期并生效。', 'We may update these terms for operational or compliance reasons. Updated versions become effective once posted with a revised date.') }}</p>
+            </section>
+            <section>
+                <h2>{{ l('7. 联系方式', '7. Contact') }}</h2>
+                <p>{{ l('如对条款有疑问，请联系：', 'For questions about these terms, contact: ') }}<a href="https://t.me/dockerse" target="_blank" rel="noopener noreferrer">@dockerse</a></p>
+            </section>
+        </article>
+    </main>
+
+    <footer class="footer">
+        <p>{{ l('仅作采购调研参考 · 请以各云厂商官网实时价格为准', 'For research and shortlisting only. Verify live pricing with provider websites.') }}</p>
+        <nav class="footer-links" aria-label="{{ l('站点链接', 'Site links') }}">
+            <a href="{{ url_for('index') }}">{{ l('首页', 'Home') }}</a>
+            <a href="{{ url_for('forum_index') }}">{{ l('论坛', 'Forum') }}</a>
+            <a href="{{ url_for('privacy_policy') }}">{{ l('隐私政策', 'Privacy') }}</a>
+        </nav>
+    </footer>
+</body>
+</html>