/* 和美书院 · 设计系统 v2
   校色：#006372 深青（官网校徽/校训色）｜ 点缀金：#d9a441 / #ffcf46
   纸面：#f7f5f0 ｜ 墨：#22303a ｜ 理念：和美教育 · 依山而建 */
:root {
  --ink: #06343d;            /* 深青墨（侧栏底） */
  --ink-2: #0a4a56;
  --brand: #006372;          /* 校色 */
  --brand-2: #0d7d8f;        /* 浅青 */
  --brand-ink: #00505c;
  --brand-mist: #e3edef;     /* 青雾 */
  --brand-mist-2: #eef4f5;
  --gold: #d9a441;           /* 点缀金 */
  --gold-bright: #ffcf46;
  --paper: #f7f5f0;          /* 纸面 */
  --paper-2: #fffdf8;        /* 卡纸 */
  --line: #e4ded1;           /* 暖色细线 */
  --line-2: #d8d0bf;
  --text: #22303a;
  --text-2: #57656e;
  --text-3: #93a0a6;
  --radius: 10px;
  --serif: "Songti SC", "STSong", "SimSun", serif;
  --kai: "Kaiti SC", "STKaiti", "KaiTi", serif;
  --sans: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 15px; }
body {
  font-family: var(--sans); background: var(--paper); color: var(--text);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
svg { display: block; }

/* ============ 登录页 ============ */
.login-wrap { min-height: 100vh; display: flex; }
.login-left {
  flex: 1.35; position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(160deg, #052830 0%, #06343d 40%, #0a4a56 100%);
  display: flex; flex-direction: column; justify-content: space-between; padding: 52px 60px 0;
}
.login-mountains { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; pointer-events: none; }
.login-brand { position: relative; z-index: 2; display: flex; align-items: center; gap: 14px; }
.login-seal {
  width: 46px; height: 46px; border: 1.5px solid var(--gold); border-radius: 8px; color: var(--gold);
  font-family: var(--serif); font-size: 22px; display: flex; align-items: center; justify-content: center;
  letter-spacing: 0; transform: rotate(-3deg);
}
.login-brand-name { font-family: var(--serif); font-size: 21px; font-weight: 700; letter-spacing: 4px; }
.login-brand-sub { font-size: 12px; opacity: .72; margin-top: 4px; letter-spacing: 2px; }
.login-hero { position: relative; z-index: 2; flex: 1; display: flex; align-items: center; gap: 48px; }
.login-motto {
  writing-mode: vertical-rl; font-family: var(--kai); font-size: 44px; letter-spacing: 18px;
  color: #f3efe4; text-shadow: 0 2px 18px rgba(0,0,0,.35);
}
.login-motto-seal {
  writing-mode: vertical-rl; font-family: var(--serif); font-size: 15px; letter-spacing: 6px;
  color: var(--gold); border-left: 1px solid rgba(217,164,65,.4); padding-left: 14px; height: 190px;
}
.login-hero-text { max-width: 430px; }
.login-hero-text h1 { font-family: var(--serif); font-size: 32px; line-height: 1.7; letter-spacing: 2px; font-weight: 700; }
.login-hero-text p { font-size: 14px; opacity: .8; line-height: 2.1; margin-top: 18px; }
.login-hero-tags { display: flex; gap: 8px; margin-top: 26px; flex-wrap: wrap; }
.login-hero-tags span {
  font-size: 12px; padding: 6px 14px; border-radius: 999px; letter-spacing: 1px;
  border: 1px solid rgba(255,255,255,.3); color: rgba(255,255,255,.85);
}
.login-copy { position: relative; z-index: 2; padding: 18px 0 22px; font-size: 11px; letter-spacing: 1px; color: rgba(255,255,255,.45); }
.login-right {
  width: 460px; background: var(--paper-2); display: flex; align-items: center; justify-content: center;
  padding: 40px; border-left: 1px solid var(--line);
}
.login-box { width: 100%; max-width: 330px; }
.login-box img.logo-img { height: 46px; margin-bottom: 34px; }
.login-box h2 { font-family: var(--serif); font-size: 23px; letter-spacing: 3px; margin-bottom: 8px; }
.login-box .sub { color: var(--text-3); font-size: 13px; margin-bottom: 30px; letter-spacing: 1px; }
.form-item { margin-bottom: 18px; }
.form-item label { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 8px; }
.form-item input {
  width: 100%; height: 44px; border: 1px solid var(--line-2); border-radius: 8px;
  padding: 0 14px; font-size: 14px; outline: none; background: #fff; transition: border .2s, box-shadow .2s;
}
.form-item input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(0,99,114,.12); }
.login-options { display: flex; justify-content: space-between; font-size: 13px; margin: 2px 0 24px; color: var(--text-2); }
.btn-primary {
  width: 100%; height: 46px; border: none; border-radius: 8px; font-size: 15px; letter-spacing: 6px; color: #fff;
  background: var(--brand); transition: background .2s, transform .1s;
}
.btn-primary:hover { background: var(--brand-ink); }
.btn-primary:active { transform: scale(.985); }
.login-foot { margin-top: 28px; text-align: center; color: var(--text-3); font-size: 12px; line-height: 1.9; }

/* ============ 框架 ============ */
.topbar {
  height: 62px; background: var(--paper-2); border-bottom: 1px solid var(--line);
  display: flex; align-items: center; padding: 0 22px; gap: 18px;
  position: sticky; top: 0; z-index: 50;
}
.topbar img.logo-img { height: 38px; }
.topbar .search {
  flex: 1; max-width: 400px; height: 36px; border: 1px solid var(--line); border-radius: 999px;
  background: #fff; display: flex; align-items: center; padding: 0 16px; gap: 8px;
  color: var(--text-3); font-size: 13px;
}
.topbar .spacer { flex: 1; }
.topbar .icon-btn {
  width: 36px; height: 36px; border-radius: 50%; border: none; background: transparent;
  color: var(--text-2); display: inline-flex; align-items: center; justify-content: center; position: relative;
}
.topbar .icon-btn .dot { position: absolute; top: 7px; right: 8px; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); border: 1.5px solid var(--paper-2); }
.topbar .user { display: flex; align-items: center; gap: 10px; cursor: pointer; padding-left: 16px; border-left: 1px solid var(--line); }
.topbar .avatar {
  width: 34px; height: 34px; border-radius: 50%; color: #fff; font-size: 14px;
  background: var(--brand); display: flex; align-items: center; justify-content: center;
  font-family: var(--serif);
}
.topbar .user .name { font-size: 13px; font-weight: 600; }
.topbar .user .role { font-size: 11px; color: var(--text-3); }

.layout { display: flex; min-height: calc(100vh - 62px); }
.sidebar {
  width: 212px; flex-shrink: 0; color: rgba(255,255,255,.82);
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  padding: 18px 12px; display: flex; flex-direction: column;
}
.sidebar .side-head { padding: 4px 12px 16px; border-bottom: 1px solid rgba(255,255,255,.12); margin-bottom: 12px; }
.sidebar .side-head .zh { font-family: var(--serif); font-size: 16px; letter-spacing: 3px; color: #fff; }
.sidebar .side-head .en { font-size: 10px; letter-spacing: 2px; opacity: .5; margin-top: 5px; text-transform: uppercase; }
.sidebar .group-title {
  font-size: 11px; letter-spacing: 2px; color: rgba(255,255,255,.4);
  padding: 14px 12px 8px; text-transform: uppercase;
}
.sidebar a {
  display: flex; align-items: center; gap: 11px; padding: 9.5px 12px; border-radius: 8px;
  color: rgba(255,255,255,.78); font-size: 14px; margin-bottom: 1px; transition: all .15s;
}
.sidebar a svg { opacity: .85; }
.sidebar a:hover { background: rgba(255,255,255,.08); color: #fff; }
.sidebar a.active {
  background: var(--paper); color: var(--brand); font-weight: 600;
}
.sidebar a.active svg { opacity: 1; }
.sidebar a .lock { margin-left: auto; font-size: 11px; opacity: .55; }
.main { flex: 1; padding: 24px 28px 40px; min-width: 0; max-width: 1240px; }

/* ============ 通用组件 ============ */
.card {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px;
}
.card-title {
  font-family: var(--serif); font-size: 17px; font-weight: 700; letter-spacing: 1px;
  display: flex; align-items: center; gap: 10px;
}
.card-title .more { margin-left: auto; font-size: 12.5px; color: var(--text-3); font-weight: 400; font-family: var(--sans); letter-spacing: 0; }
.grid { display: grid; gap: 16px; }
.muted { color: var(--text-3); }
.tag {
  display: inline-block; padding: 3px 11px; border-radius: 6px; font-size: 12px;
  background: var(--brand-mist); color: var(--brand); margin: 0 6px 6px 0;
}
.tag.gold { background: #faf3e3; color: #a3742a; }
.btn {
  display: inline-flex; align-items: center; gap: 7px; height: 36px; padding: 0 18px;
  border-radius: 8px; border: 1px solid var(--line-2); background: transparent; font-size: 14px;
  color: var(--text-2); transition: all .15s;
}
.btn:hover { border-color: var(--brand); color: var(--brand); }
.btn.solid { background: var(--brand); color: #fff; border-color: var(--brand); letter-spacing: 1px; }
.btn.solid:hover { background: var(--brand-ink); }

/* 工具卡片：细线 + 白底，无阴影堆砌 */
.tool-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; display: flex; gap: 14px; align-items: center; cursor: pointer; transition: all .18s;
}
.tool-card:hover { border-color: var(--brand); background: var(--brand-mist-2); }
.tool-card .ic {
  width: 44px; height: 44px; border-radius: 10px; flex-shrink: 0; color: var(--brand);
  background: var(--brand-mist); display: flex; align-items: center; justify-content: center;
}
.tool-card:hover .ic { background: var(--brand); color: #fff; }
.tool-card .nm { font-weight: 600; font-size: 14px; }
.tool-card .ds { font-size: 12px; color: var(--text-3); margin-top: 3px; }

.app-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px;
  transition: all .18s; cursor: pointer; position: relative;
}
.app-card:hover { border-color: var(--brand); transform: translateY(-2px); }
.app-card .badge { position: absolute; top: 12px; right: 12px; font-size: 11px; color: var(--text-3); }
.app-card .ic {
  width: 42px; height: 42px; border-radius: 10px; margin-bottom: 10px; color: var(--brand);
  display: flex; align-items: center; justify-content: center; background: var(--brand-mist);
}
.app-card:hover .ic { background: var(--brand); color: #fff; }
.app-card .nm { font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.app-card .ds { font-size: 12px; color: var(--text-3); line-height: 1.5; }

.stat-num {
  font-size: 26px; font-weight: 700; color: var(--brand); font-variant-numeric: tabular-nums;
  font-family: "DIN Alternate", "Helvetica Neue", var(--sans);
}
.stat-cell { text-align: center; padding: 6px 0; }
.stat-cell + .stat-cell { border-left: 1px solid var(--line); }

.page-head { display: flex; align-items: baseline; margin-bottom: 20px; gap: 14px; border-bottom: 1px solid var(--line); padding-bottom: 14px; }
.page-head h1 {
  font-family: var(--serif); font-size: 21px; letter-spacing: 2px; position: relative; padding-left: 14px;
}
.page-head h1::before {
  content: ''; position: absolute; left: 0; top: 4px; bottom: 4px; width: 3px;
  background: linear-gradient(180deg, var(--brand), var(--gold));
  border-radius: 2px;
}
.page-head .crumb { font-size: 12.5px; color: var(--text-3); }
.page-head .right { margin-left: auto; align-self: center; display: flex; gap: 10px; }

/* 浮动AI助理 */
.ai-fab {
  position: fixed; right: 26px; bottom: 26px; z-index: 90;
  display: flex; align-items: center; gap: 9px; padding: 13px 20px; border-radius: 999px;
  background: var(--ink-2); color: #fff; border: 1px solid rgba(255,255,255,.14); font-size: 14px; letter-spacing: 1px;
  box-shadow: 0 10px 26px rgba(6,52,61,.35); transition: background .2s;
}
.ai-fab:hover { background: var(--brand); }
.ai-panel {
  position: fixed; right: 26px; bottom: 88px; width: 344px; z-index: 91;
  background: var(--paper-2); border: 1px solid var(--line); border-radius: 14px;
  box-shadow: 0 16px 48px rgba(6,52,61,.22); overflow: hidden; display: none; flex-direction: column;
}
.ai-panel.open { display: flex; }
.ai-panel .hd {
  padding: 15px 18px; background: linear-gradient(135deg, var(--ink-2), var(--brand));
  color: #fff; font-weight: 600; font-family: var(--serif); letter-spacing: 2px;
  display: flex; align-items: center; gap: 8px;
}
.ai-panel .bd { padding: 16px 18px; min-height: 150px; font-size: 13px; color: var(--text-2); line-height: 1.9; max-height: 300px; overflow-y: auto; }
.ai-panel .ft { padding: 12px; border-top: 1px solid var(--line); display: flex; gap: 8px; }
.ai-panel .ft input { flex: 1; height: 36px; border: 1px solid var(--line-2); border-radius: 8px; padding: 0 12px; outline: none; background: #fff; }
.ai-panel .ft input:focus { border-color: var(--brand); }
.ai-panel .ft button { height: 36px; padding: 0 16px; border-radius: 8px; border: none; background: var(--brand); color: #fff; }

/* 表格 */
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
table.tbl th {
  text-align: left; color: var(--text-3); font-weight: 500; padding: 10px 12px;
  border-bottom: 1px solid var(--line-2); font-size: 12.5px; letter-spacing: 1px;
}
table.tbl td { padding: 12px; border-bottom: 1px solid var(--line); }
table.tbl tr:hover td { background: var(--brand-mist-2); }

.empty { text-align: center; padding: 40px 0; color: var(--text-3); font-size: 13px; line-height: 2; }
.empty .em { font-size: 34px; display: block; margin-bottom: 6px; opacity: .5; font-family: var(--serif); }

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line-2); margin-bottom: 18px; }
.tabs button {
  border: none; background: none; padding: 10px 18px; font-size: 14px; color: var(--text-2);
  border-bottom: 2px solid transparent; margin-bottom: -1px; letter-spacing: 1px;
}
.tabs button.on { color: var(--brand); border-bottom-color: var(--brand); font-weight: 600; }

.footer-note {
  text-align: center; color: var(--text-3); font-size: 12px; padding: 34px 10px 0; line-height: 2;
  border-top: 1px solid var(--line); margin-top: 34px; letter-spacing: .5px;
}

/* 模态向导 */
.modal-mask {
  position: fixed; inset: 0; z-index: 100; background: rgba(6,40,48,.45);
  display: none; align-items: center; justify-content: center; padding: 24px;
}
.modal-mask.open { display: flex; }
.modal {
  width: 640px; max-width: 100%; max-height: 88vh; overflow-y: auto;
  background: var(--paper-2); border-radius: 14px; border: 1px solid var(--line);
  box-shadow: 0 24px 64px rgba(6,52,61,.3);
}
.modal-hd {
  display: flex; align-items: center; padding: 18px 26px 14px;
  border-bottom: 1px solid var(--line);
}
.modal-x { margin-left: auto; border: none; background: none; font-size: 15px; color: var(--text-3); }
.modal-x:hover { color: var(--text); }
.modal-bd { padding: 18px 26px; }
.modal-ft {
  display: flex; gap: 10px; padding: 14px 26px 18px;
  border-top: 1px solid var(--line);
}
.form-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.form-row:has(.form-item:nth-child(2):last-child) { grid-template-columns: repeat(2, 1fr); }
.form-item select, .form-item textarea {
  width: 100%; border: 1px solid var(--line-2); border-radius: 8px; background: #fff;
  padding: 0 12px; font-size: 14px; font-family: inherit; outline: none; color: var(--text);
}
.form-item select { height: 44px; }
.form-item textarea { padding: 10px 12px; resize: vertical; line-height: 1.7; }
.form-item select:focus, .form-item textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(0,99,114,.1); }
.radio-card {
  flex: 1; display: flex; gap: 10px; align-items: flex-start; border: 1px solid var(--line-2);
  border-radius: 10px; padding: 12px 14px; cursor: pointer; font-size: 13px; line-height: 1.6;
}
.radio-card:has(input:checked) { border-color: var(--brand); background: var(--brand-mist-2); }
.radio-card input { margin-top: 4px; accent-color: var(--brand); }
.pick {
  border: 1px solid var(--line-2); background: #fff; border-radius: 999px;
  padding: 7px 16px; font-size: 13px; color: var(--text-2); transition: all .15s;
}
.pick.on { background: var(--brand); border-color: var(--brand); color: #fff; }

/* 对话组件 */
.chatbox { display: flex; flex-direction: column; }
.chat-msgs {
  flex: 1; min-height: 260px; max-height: 520px; overflow-y: auto;
  padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: 12px;
  display: flex; flex-direction: column; gap: 14px;
}
.msg { display: flex; }
.msg .body { max-width: 82%; padding: 11px 15px; border-radius: 12px; font-size: 13.5px; line-height: 1.8; word-break: break-word; }
.msg.user { justify-content: flex-end; }
.msg.user .body { background: var(--brand); color: #fff; border-bottom-right-radius: 4px; }
.msg.ai .body { background: var(--brand-mist-2); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.msg .think {
  display: none; max-width: 82%; margin-top: 6px; font-size: 12px; color: var(--text-3);
  background: #fbf9f3; border: 1px dashed var(--line-2); border-radius: 8px; padding: 8px 12px;
}
.msg .think i { font-style: normal; opacity: .7; }
.chat-bar { display: flex; gap: 10px; margin-top: 12px; }
.chat-bar input {
  flex: 1; height: 38px; border: 1px solid var(--line-2); border-radius: 9px;
  padding: 0 14px; outline: none; font-size: 14px; background: #fff;
}
.chat-bar input:focus { border-color: var(--brand); }
.chat-tip { margin-top: 10px; font-size: 12px; color: var(--text-3); display: flex; align-items: center; gap: 6px; }
.dot-ok { width: 7px; height: 7px; border-radius: 50%; background: #16a34a; display: inline-block; }

/* API 配置弹窗 */
.api-status { font-size: 13px; margin-top: 12px; min-height: 20px; }
.api-status.ok { color: #16a34a; }
.api-status.err { color: #c0392b; }

/* ima 风格任务输入台 */
.composer {
  background: #fff; border: 1.5px solid var(--line-2); border-radius: 18px;
  padding: 16px 18px 12px; transition: border .2s;
}
.composer:focus-within { border-color: var(--brand); }
.composer textarea {
  width: 100%; min-height: 88px; border: none; outline: none; resize: vertical;
  font-size: 15px; font-family: inherit; line-height: 1.8; background: transparent; color: var(--text);
}
.composer .bar { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.tool-pill {
  display: inline-flex; align-items: center; gap: 7px; height: 34px; padding: 0 14px;
  border: 1px solid var(--line-2); border-radius: 999px; background: #fff;
  font-size: 13px; color: var(--text-2); transition: all .15s; white-space: nowrap;
}
.tool-pill:hover { border-color: var(--brand); color: var(--brand); }
.tool-pill.on { background: var(--brand); border-color: var(--brand); color: #fff; }
.tool-pill .cnt { font-size: 11px; background: var(--brand-mist); color: var(--brand); border-radius: 999px; padding: 1px 7px; }
.tool-pill.on .cnt { background: rgba(255,255,255,.22); color: #fff; }
.send-round {
  width: 42px; height: 42px; border-radius: 50%; border: none; flex-shrink: 0;
  background: var(--brand); color: #fff; display: inline-flex; align-items: center; justify-content: center;
  transition: background .2s, transform .1s;
}
.send-round:hover { background: var(--brand-ink); }
.send-round:disabled { background: var(--line-2); cursor: not-allowed; }
.send-round:active { transform: scale(.94); }

/* @知识库弹出层 */
.kb-pop {
  position: absolute; bottom: 52px; left: 0; width: 320px; z-index: 60;
  background: var(--paper-2); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 14px 40px rgba(6,52,61,.18); padding: 12px; display: none;
}
.kb-pop.open { display: block; }
.kb-item { display: flex; align-items: center; gap: 9px; padding: 8px 6px; font-size: 13px; border-radius: 8px; cursor: pointer; }
.kb-item:hover { background: var(--brand-mist-2); }
.kb-item input { accent-color: var(--brand); }

/* 技能选择弹窗分区 */
.skill-sec { font-size: 12px; letter-spacing: 2px; color: var(--text-3); margin: 14px 0 8px; }
.skill-sub { font-size: 12.5px; font-weight: 600; color: var(--brand); margin: 12px 0 6px; padding-left: 8px; border-left: 3px solid var(--brand); }
.skill-row { display: flex; align-items: flex-start; gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 8px; cursor: pointer; }
.skill-row:hover { border-color: var(--brand); }
.skill-row.on { border-color: var(--brand); background: var(--brand-mist-2); }
.skill-row input { margin-top: 3px; accent-color: var(--brand); }
.skill-row .nm { font-weight: 600; font-size: 13.5px; }
.skill-row .ds { font-size: 12px; color: var(--text-3); margin-top: 2px; line-height: 1.6; }

/* 卷首（首页 hero） */
.hero {
  position: relative; border-radius: 14px; overflow: hidden; margin-bottom: 20px;
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-2) 70%, #0d5a68 100%);
  color: #fff; padding: 34px 38px; display: flex; gap: 30px; align-items: center;
}
.hero .motto-chip {
  background: rgba(255,253,248,.96); padding: 12px 16px; border-radius: 8px;
  transform: rotate(-1.5deg); box-shadow: 0 4px 16px rgba(0,0,0,.2); flex-shrink: 0;
}
.hero .motto-chip img { height: 24px; display: block; }
.hero-main { flex: 1; }
.hero-main .hi { font-family: var(--serif); font-size: 26px; letter-spacing: 2px; }
.hero-main .date { font-size: 12.5px; opacity: .65; margin-top: 8px; letter-spacing: 1px; }
.hero-main .quick { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.hero-main .quick a {
  font-size: 13px; padding: 8px 16px; border-radius: 999px; color: #fff;
  border: 1px solid rgba(255,255,255,.35); transition: all .15s; letter-spacing: 1px;
  display: inline-flex; align-items: center; gap: 6px;
}
.hero-main .quick a:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.6); }
.hero-seal {
  width: 64px; height: 64px; border: 1.5px solid var(--gold); border-radius: 10px; color: var(--gold-bright);
  font-family: var(--serif); font-size: 30px; display: flex; align-items: center; justify-content: center;
  transform: rotate(-3deg); flex-shrink: 0; text-shadow: 0 0 18px rgba(255,207,70,.35);
}
.section-no { font-family: var(--serif); color: var(--gold); font-size: 13px; letter-spacing: 2px; margin-right: 2px; }

/* 步骤条 */
.steps { display: flex; align-items: center; margin-bottom: 22px; }
.steps .step { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.steps .step .no {
  width: 24px; height: 24px; border-radius: 50%; border: 1px solid var(--line-2); color: var(--text-3);
  display: inline-flex; align-items: center; justify-content: center; font-size: 12px;
}
.steps .step.on { color: var(--brand); font-weight: 600; }
.steps .step.on .no { background: var(--brand); border-color: var(--brand); color: #fff; }
.steps .bar { flex: 1; height: 1px; background: var(--line-2); margin: 0 12px; }

@media (max-width: 900px) {
  .sidebar { display: none; }
  .login-left { display: none; }
  .login-right { width: 100%; border-left: none; }
  .main { padding: 16px; }
}