优化中控科技风界面：登录居中、浮盈配色、默认打开首个客户端。

总览改名期权持仓总览，内容区 1800 居中，去掉左上角仓库名。

Co-authored-by: Cursor <cursoragent@cursor.com>

app.py

@@ -91,13 +91,13 @@ def login():
         if u == hub_username() and p == hub_password():
             session["logged_in"] = True
             session.permanent = True
-            nxt = (request.args.get("next") or request.form.get("next") or "/").strip() or "/"
+            nxt = (request.args.get("next") or request.form.get("next") or "/desk").strip() or "/desk"
             if not nxt.startswith("/"):
-                nxt = "/"
+                nxt = "/desk"
             return redirect(nxt)
         flash("用户名或密码错误")
     if session.get("logged_in"):
-        return redirect("/")
+        return redirect("/desk")
     return render_template("login.html")
 
 
@@ -195,7 +195,11 @@ def settings_page():
 @app.route("/desk")
 @login_required
 def desk():
+    instances = list_instances(enabled_only=True)
     iid = request.args.get("id")
+    # 未指定客户端时默认打开第一个
+    if (not iid or not str(iid).isdigit()) and instances:
+        return redirect(url_for("desk", id=instances[0]["id"]))
     inst = None
     open_url = ""
     if iid and str(iid).isdigit():
@@ -209,7 +213,7 @@ def desk():
             )
     return render_template(
         "desk.html",
-        instances=list_instances(enabled_only=True),
+        instances=instances,
         current=inst,
         open_url=open_url,
     )

static/hub.css

@@ -1,65 +1,186 @@
+@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=Orbitron:wght@500;600&display=swap");
+
 :root {
-  --bg: #0f1219;
-  --panel: #171c27;
-  --line: #2a3348;
-  --text: #e8ecf5;
-  --muted: #8b95ab;
-  --accent: #6c5ce7;
-  --ok: #3dd68c;
-  --bad: #ff6b6b;
+  --bg: #070b14;
+  --bg-2: #0c1424;
+  --panel: rgba(16, 24, 40, 0.82);
+  --panel-solid: #101828;
+  --line: rgba(56, 189, 248, 0.22);
+  --line-strong: rgba(56, 189, 248, 0.45);
+  --text: #e8f1ff;
+  --muted: #8aa0b8;
+  --accent: #22d3ee;
+  --accent-2: #38bdf8;
+  --accent-deep: #0ea5e9;
+  --ok: #34d399;
+  --bad: #fb7185;
+  --shadow: 0 0 0 1px rgba(56, 189, 248, 0.08), 0 18px 50px rgba(0, 0, 0, 0.45);
+  --radius: 14px;
+  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
+  --font-display: "Orbitron", "IBM Plex Sans", sans-serif;
 }
 * { box-sizing: border-box; }
+html, body { min-height: 100%; }
 body {
   margin: 0;
-  font-family: "Segoe UI", system-ui, sans-serif;
-  background: var(--bg);
+  font-family: var(--font);
   color: var(--text);
+  background:
+    radial-gradient(1200px 600px at 12% -10%, rgba(14, 165, 233, 0.18), transparent 55%),
+    radial-gradient(900px 500px at 90% 10%, rgba(34, 211, 238, 0.1), transparent 50%),
+    linear-gradient(180deg, var(--bg-2), var(--bg) 40%, #05080f);
+  background-attachment: fixed;
 }
-a { color: #9ec1ff; text-decoration: none; }
+body::before {
+  content: "";
+  position: fixed;
+  inset: 0;
+  pointer-events: none;
+  z-index: 0;
+  opacity: 0.35;
+  background-image:
+    linear-gradient(rgba(56, 189, 248, 0.06) 1px, transparent 1px),
+    linear-gradient(90deg, rgba(56, 189, 248, 0.06) 1px, transparent 1px);
+  background-size: 48px 48px;
+  mask-image: radial-gradient(ellipse at center, #000 35%, transparent 80%);
+}
+body > * { position: relative; z-index: 1; }
+a { color: var(--accent-2); text-decoration: none; }
+a:hover { color: #7dd3fc; }
+
 .topbar {
   display: flex;
-  justify-content: space-between;
+  justify-content: flex-start;
   align-items: center;
-  padding: 10px 16px;
+  padding: 12px 20px;
   border-bottom: 1px solid var(--line);
-  background: #12161f;
+  background: rgba(8, 14, 26, 0.75);
+  backdrop-filter: blur(12px);
 }
-.topbar nav a { margin-left: 14px; color: var(--muted); }
-.topbar nav a.active { color: #fff; }
-.brand { font-weight: 700; }
+.topbar nav a {
+  margin-right: 16px;
+  color: var(--muted);
+  font-weight: 500;
+  letter-spacing: 0.02em;
+}
+.topbar nav a:last-child { margin-right: 0; }
+.topbar nav a.active {
+  color: var(--accent);
+  text-shadow: 0 0 18px rgba(34, 211, 238, 0.35);
+}
+
 .main { padding: 16px; max-width: 1200px; margin: 0 auto; }
-/* 总览/工作台:带鱼屏两侧留边,内容区限宽居中 */
 body.page-desk .main,
 body.page-dashboard .main {
-  max-width: 1680px;
+  max-width: 1800px;
   width: 100%;
   margin: 0 auto;
   padding: 12px clamp(16px, 3vw, 48px) 20px;
 }
+body.page-login {
+  min-height: 100vh;
+}
+body.page-login .main {
+  max-width: none;
+  min-height: 100vh;
+  margin: 0;
+  padding: 24px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
 .page-head { display: flex; align-items: center; gap: 12px; }
+.page-head h1 {
+  margin: 0;
+  font-family: var(--font-display);
+  font-size: 1.35rem;
+  font-weight: 600;
+  letter-spacing: 0.04em;
+}
 .muted { color: var(--muted); font-size: 0.9rem; }
 .flash {
-  background: #2a2140;
-  border: 1px solid #5b4a8a;
+  background: rgba(14, 165, 233, 0.12);
+  border: 1px solid var(--line-strong);
   padding: 8px 12px;
-  border-radius: 8px;
+  border-radius: 10px;
   margin-bottom: 12px;
+  box-shadow: var(--shadow);
+}
+
+/* —— 登录 —— */
+.login-wrap {
+  width: 100%;
+  max-width: 420px;
 }
 .login-card {
-  max-width: 360px;
-  margin: 10vh auto;
-  background: var(--panel);
-  border: 1px solid var(--line);
-  border-radius: 12px;
-  padding: 24px;
+  width: 100%;
+  margin: 0;
+  padding: 32px 28px 28px;
+  border-radius: 18px;
+  background: linear-gradient(160deg, rgba(18, 32, 54, 0.92), rgba(10, 16, 28, 0.95));
+  border: 1px solid var(--line-strong);
+  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.04);
+  backdrop-filter: blur(16px);
 }
+.login-card h1 {
+  margin: 0 0 8px;
+  font-family: var(--font-display);
+  font-size: 1.45rem;
+  font-weight: 600;
+  letter-spacing: 0.06em;
+  background: linear-gradient(90deg, #e0f2fe, var(--accent));
+  -webkit-background-clip: text;
+  background-clip: text;
+  color: transparent;
+}
+.login-card .login-sub {
+  margin: 0 0 22px;
+  color: var(--muted);
+  font-size: 0.88rem;
+  line-height: 1.45;
+}
+.login-card .stack label {
+  display: block;
+  margin: 0 0 14px;
+  font-size: 0.82rem;
+  color: #b6c7da;
+  font-weight: 500;
+}
+.login-card input {
+  margin-top: 6px;
+  padding: 11px 12px;
+  border-radius: 10px;
+  border: 1px solid var(--line);
+  background: rgba(5, 10, 18, 0.85);
+  transition: border-color 0.15s ease, box-shadow 0.15s ease;
+}
+.login-card input:focus {
+  outline: none;
+  border-color: var(--accent);
+  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
+}
+.login-card button[type="submit"] {
+  width: 100%;
+  margin-top: 8px;
+  padding: 12px 14px;
+  font-weight: 600;
+  letter-spacing: 0.08em;
+  background: linear-gradient(90deg, var(--accent-deep), var(--accent));
+  color: #041018;
+  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.28);
+}
+.login-card button[type="submit"]:hover {
+  filter: brightness(1.05);
+}
+
 .stack label, .form-grid label { display: block; margin: 8px 0; }
 input[type="text"], input[type="password"], input:not([type]) {
   width: 100%;
   padding: 8px 10px;
   border-radius: 8px;
   border: 1px solid var(--line);
-  background: #0d1017;
+  background: #0a1220;
   color: var(--text);
 }
 button, .btn {
@@ -68,17 +189,21 @@ button, .btn {
   padding: 8px 12px;
   border-radius: 8px;
   border: 0;
-  background: var(--accent);
-  color: #fff;
+  background: linear-gradient(90deg, var(--accent-deep), #06b6d4);
+  color: #041018;
+  font-weight: 600;
   cursor: pointer;
 }
-.btn-danger { background: #8b3a3a; }
+.btn:hover, button:hover { filter: brightness(1.06); }
+.btn-danger { background: #9f1239; color: #fff; }
 .panel {
   background: var(--panel);
   border: 1px solid var(--line);
-  border-radius: 12px;
+  border-radius: var(--radius);
   padding: 14px;
   margin: 14px 0;
+  box-shadow: var(--shadow);
+  backdrop-filter: blur(10px);
 }
 .form-grid {
   display: grid;
@@ -92,8 +217,10 @@ button, .btn {
   overflow-x: auto;
   margin-top: 12px;
   border: 1px solid var(--line);
-  border-radius: 12px;
+  border-radius: var(--radius);
   background: var(--panel);
+  box-shadow: var(--shadow);
+  backdrop-filter: blur(10px);
 }
 .overview-table {
   width: 100%;
@@ -103,15 +230,16 @@ button, .btn {
 .overview-table th,
 .overview-table td {
   padding: 10px 12px;
-  border-bottom: 1px solid var(--line);
+  border-bottom: 1px solid rgba(56, 189, 248, 0.12);
   text-align: left;
   vertical-align: top;
 }
 .overview-table th {
-  color: var(--muted);
+  color: var(--accent-2);
   font-weight: 600;
-  background: #12161f;
+  background: rgba(8, 16, 30, 0.9);
   white-space: nowrap;
+  letter-spacing: 0.03em;
 }
 .overview-table tr:last-child td { border-bottom: 0; }
 .overview-table .status-on { color: var(--ok); }
@@ -134,13 +262,15 @@ button, .btn {
 .card {
   background: var(--panel);
   border: 1px solid var(--line);
-  border-radius: 12px;
+  border-radius: var(--radius);
   padding: 12px;
+  box-shadow: var(--shadow);
 }
 .card .status-on { color: var(--ok); }
 .card .status-off { color: var(--bad); }
 .card table { width: 100%; font-size: 0.8rem; border-collapse: collapse; }
 .card td, .card th { border-bottom: 1px solid var(--line); padding: 4px 2px; text-align: left; }
+
 .desk {
   display: grid;
   grid-template-columns: 220px minmax(0, 1fr);
@@ -155,10 +285,12 @@ button, .btn {
 .desk-side {
   background: var(--panel);
   border: 1px solid var(--line);
-  border-radius: 12px;
+  border-radius: var(--radius);
   padding: 10px;
   min-width: 0;
   overflow: hidden;
+  box-shadow: var(--shadow);
+  backdrop-filter: blur(10px);
 }
 .desk-side-head {
   display: flex;
@@ -169,8 +301,11 @@ button, .btn {
 }
 .desk-side-title {
   margin: 0;
-  font-size: 1rem;
+  font-size: 0.95rem;
+  font-family: var(--font-display);
+  letter-spacing: 0.04em;
   white-space: nowrap;
+  color: var(--accent-2);
 }
 .desk-side-toggle {
   flex: 0 0 auto;
@@ -180,34 +315,24 @@ button, .btn {
   padding: 0;
   border-radius: 8px;
   border: 1px solid var(--line);
-  background: #12161f;
+  background: rgba(8, 16, 30, 0.9);
   color: var(--text);
   font-size: 1.1rem;
   line-height: 1;
   cursor: pointer;
 }
-.desk-side-toggle:hover { border-color: var(--accent); }
-.desk-side-toggle--bar {
-  display: none;
-}
+.desk-side-toggle:hover { border-color: var(--accent); color: var(--accent); }
+.desk-side-toggle--bar { display: none; }
 .desk.is-side-collapsed .desk-side-title,
 .desk.is-side-collapsed .desk-list-name,
-.desk.is-side-collapsed .desk-list-empty {
-  display: none;
-}
-.desk.is-side-collapsed .desk-side {
-  padding: 8px 6px;
-}
+.desk.is-side-collapsed .desk-list-empty { display: none; }
+.desk.is-side-collapsed .desk-side { padding: 8px 6px; }
 .desk.is-side-collapsed .desk-side-head {
   justify-content: center;
   margin-bottom: 0;
 }
-.desk.is-side-collapsed .desk-side-toggle {
-  transform: rotate(180deg);
-}
-.desk.is-side-collapsed .desk-list {
-  display: none;
-}
+.desk.is-side-collapsed .desk-side-toggle { transform: rotate(180deg); }
+.desk.is-side-collapsed .desk-list { display: none; }
 .desk.is-side-collapsed .desk-side-toggle--bar {
   display: inline-flex;
   align-items: center;
@@ -217,12 +342,22 @@ button, .btn {
 .desk-list li { margin: 6px 0; }
 .desk-list li a {
   display: block;
-  padding: 6px 8px;
+  padding: 7px 9px;
   border-radius: 8px;
   color: var(--muted);
+  border: 1px solid transparent;
+}
+.desk-list li a:hover {
+  background: rgba(34, 211, 238, 0.08);
+  color: #fff;
+  border-color: rgba(34, 211, 238, 0.2);
+}
+.desk-list li.active a {
+  color: #fff;
+  font-weight: 600;
+  background: rgba(34, 211, 238, 0.16);
+  border-color: rgba(34, 211, 238, 0.35);
 }
-.desk-list li a:hover { background: rgba(108, 92, 231, 0.12); color: #fff; }
-.desk-list li.active a { color: #fff; font-weight: 600; background: rgba(108, 92, 231, 0.22); }
 .desk-main { display: flex; flex-direction: column; min-height: calc(100vh - 70px); min-width: 0; }
 .desk-toolbar {
   display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
@@ -233,8 +368,9 @@ button, .btn {
   width: 100%;
   min-height: calc(100vh - 130px);
   border: 1px solid var(--line);
-  border-radius: 10px;
+  border-radius: var(--radius);
   background: #000;
+  box-shadow: var(--shadow);
 }
 .empty { padding: 40px; color: var(--muted); }
 .settings-card { max-width: 480px; }
@@ -243,17 +379,19 @@ input.readonly {
   opacity: 0.75;
   cursor: default;
 }
+.pnl-up { color: var(--ok); font-weight: 600; }
+.pnl-down { color: var(--bad); font-weight: 600; }
+.pnl-flat { color: var(--muted); }
+
 @media (max-width: 800px) {
   .desk,
-  .desk.is-side-collapsed {
-    grid-template-columns: 1fr;
-  }
+  .desk.is-side-collapsed { grid-template-columns: 1fr; }
   .desk-side-toggle--bar { display: none !important; }
 }
 @media (min-width: 2000px) {
   body.page-desk .main,
   body.page-dashboard .main {
-    max-width: 1760px;
+    max-width: 1800px;
     padding-left: clamp(32px, 6vw, 96px);
     padding-right: clamp(32px, 6vw, 96px);
   }

static/hub.js

@@ -6,6 +6,16 @@
     return (n > 0 ? "+" : "") + n.toFixed(2) + " U";
   }
 
+  function pnlClass(v) {
+    const n = Number(v);
+    if (!Number.isFinite(n) || n === 0) return "pnl-flat";
+    return n > 0 ? "pnl-up" : "pnl-down";
+  }
+
+  function fmtPnlHtml(v) {
+    return '<span class="' + pnlClass(v) + '">' + escapeHtml(fmtPnl(v)) + "</span>";
+  }
+
   function escapeHtml(s) {
     return String(s)
       .replace(/&/g, "&amp;")
@@ -20,8 +30,7 @@
     const items = list.slice(0, 8).map(function (p) {
       const id = escapeHtml(p.inst_id || "");
       const sheets = escapeHtml(String(p.sheets != null ? p.sheets : "—"));
-      const pnl = escapeHtml(fmtPnl(p.pnl_usdt));
-      return "<li>" + id + " · " + sheets + "张 · " + pnl + "</li>";
+      return "<li>" + id + " · " + sheets + "张 · " + fmtPnlHtml(p.pnl_usdt) + "</li>";
     });
     const more =
       list.length > 8
@@ -59,7 +68,7 @@
       escapeHtml(inst.mode || "—") +
       "</td>" +
       "<td>" +
-      escapeHtml(fmtPnl(pnl)) +
+      fmtPnlHtml(pnl) +
       "</td>" +
       "<td>" +
       positionSummary(brief) +

templates/base.html

@@ -6,10 +6,9 @@
   <title>{% block title %}期权中控{% endblock %}</title>
   <link rel="stylesheet" href="{{ url_for('static', filename='hub.css') }}">
 </head>
-<body class="{% if request.path.startswith('/desk') %}page-desk{% elif request.path == '/' %}page-dashboard{% endif %}">
+<body class="{% if request.path.startswith('/login') %}page-login{% elif request.path.startswith('/desk') %}page-desk{% elif request.path == '/' %}page-dashboard{% endif %}">
   {% if session.get('logged_in') %}
   <header class="topbar">
-    <div class="brand">crypto_okx_hub</div>
     <nav>
       <a href="/" class="{% if request.path == '/' %}active{% endif %}">总览</a>
       <a href="/instances" class="{% if request.path.startswith('/instances') %}active{% endif %}">实例</a>

templates/dashboard.html

@@ -2,7 +2,7 @@
 {% block title %}总览 · 期权中控{% endblock %}
 {% block body %}
 <section class="page-head">
-  <h1>多机持仓总览</h1>
+  <h1>期权持仓总览</h1>
   <button type="button" class="btn" id="btn-refresh">刷新</button>
 </section>
 <p class="muted" id="overview-status">加载中…</p>

templates/login.html

@@ -1,13 +1,19 @@
 {% extends "base.html" %}
 {% block title %}登录 · 期权中控{% endblock %}
 {% block body %}
-<section class="login-card">
-  <h1>期权中控登录</h1>
-  <p class="muted">关联客户端仓库 crypto_okx · 本仓不下单</p>
-  <form method="post" class="stack">
-    <label>用户名 <input name="username" autocomplete="username" required></label>
-    <label>密码 <input type="password" name="password" autocomplete="current-password" required></label>
-    <button type="submit">登录</button>
+<div class="login-wrap">
+  <section class="login-card">
+    <h1>期权中控</h1>
+    <p class="login-sub">多机期权持仓总览 · 内嵌打开客户端 · 本仓不下单</p>
+    <form method="post" class="stack" autocomplete="on">
+      <label>用户名
+        <input name="username" autocomplete="username" required placeholder="admin">
+      </label>
+      <label>密码
+        <input type="password" name="password" autocomplete="current-password" required placeholder="••••••••">
+      </label>
+      <button type="submit">登 录</button>
     </form>
-</section>
+  </section>
+</div>
 {% endblock %}