/* ==========================================================
   快手续火花助手 v6 - 主样式
   版式/配色参照 liqichun.cn：极简浅色 + 科技蓝
   ========================================================== */
:root {
  --primary: #006EFF;
  --primary-soft: rgba(0,110,255,.08);
  --primary-border: rgba(0,110,255,.25);
  --bg: #F7F8FB;
  --card: #FFFFFF;
  --text: #141D2E;
  --sub: #45536B;
  --weak: #8B97AB;
  --border: #E3E8F0;
  --ok: #00B578;
  --warn: #F59E0B;
  --err: #EF4444;
  --radius: 16px;
  --shadow-soft: 0 2px 10px rgba(12,26,50,.05);
  --shadow-card: 0 4px 16px rgba(12,26,50,.06);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { opacity: .8; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.hidden { display: none !important; }
.center { text-align: center; }
.muted { color: var(--sub); }
.tiny { font-size: 12px; margin-top: 8px; color: var(--weak); }

/* ---------- 按钮：白底全圆角胶囊 + 细边框 + 淡阴影 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 22px; border-radius: 999px; cursor: pointer;
  font-size: 13px; font-weight: 600; transition: all .18s; font-family: inherit;
  border: 1px solid var(--border); background: #fff; color: var(--text);
  box-shadow: var(--shadow-soft); white-space: nowrap;
}
.btn:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-1px); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(0,110,255,.25); }
.btn-primary:hover { background: #005CE0; color: #fff; }
.btn-ghost { background: #fff; }
.btn-lg { padding: 13px 30px; font-size: 14px; }
.btn-sm { padding: 6px 14px; font-size: 12.5px; }
.btn-block { width: 100%; }
.btn:active { transform: scale(.97); }

/* ---------- 标签 ---------- */
.tag {
  display: inline-block; padding: 3px 12px; border-radius: 999px;
  font-size: 12px; background: #fff; color: var(--sub);
  border: 1px solid var(--border);
}
.tag-ok { background: rgba(0,181,120,.08); border-color: rgba(0,181,120,.3); color: var(--ok); }
.tag-warn { background: rgba(245,158,11,.08); border-color: rgba(245,158,11,.3); color: var(--warn); }
.tag-err { background: rgba(239,68,68,.08); border-color: rgba(239,68,68,.3); color: var(--err); }

/* ---------- 卡片：白底 + 14px 圆角 + 1px 边框 + 无重阴影 ---------- */
.card, .bd {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-card); padding: 24px;
}

/* ---------- 品牌 ---------- */
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; color: var(--text); }
.brand-dot {
  width: 20px; height: 20px; border-radius: 6px; background: var(--primary);
  box-shadow: 0 3px 8px rgba(0,110,255,.35); display: inline-block;
}

/* ==========================================================
   首页 - 顶部状态栏
   ========================================================== */
.site-top {
  background: #fff; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.top-inner { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; }
.top-right { display: flex; align-items: center; gap: 10px; }
.status-pill {
  display: inline-flex; align-items: center; gap: 7px;
  background: #fff; border: 1px solid var(--border); border-radius: 999px;
  padding: 6px 14px; font-size: 12.5px; color: var(--sub); font-weight: 600;
  box-shadow: var(--shadow-soft);
}
.dot-green {
  width: 8px; height: 8px; border-radius: 50%; background: var(--ok);
  box-shadow: 0 0 0 4px rgba(0,181,120,.18);
}
.status-time { color: var(--weak); font-weight: 400; margin-left: 4px; }

/* ==========================================================
   首页 - Hero（大标题 + 进度轨道 + 按钮）
   ========================================================== */
.hero {
  position: relative; overflow: hidden; padding: 80px 0 72px;
  background:
    radial-gradient(700px 340px at 85% -60px, rgba(0,110,255,.10), transparent 70%),
    linear-gradient(180deg, #FFFFFF 0%, var(--bg) 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(0,110,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,110,255,.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(700px 320px at 70% 0%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(700px 320px at 70% 0%, #000 0%, transparent 75%);
}
.hero-inner { position: relative; text-align: center; }
.hero-text h1 { font-size: 72px; line-height: 1.18; letter-spacing: -1px; font-weight: 800; color: var(--text); }
.grad { color: var(--primary); }
.hero-sub { color: var(--sub); font-size: 16.5px; margin: 22px auto 24px; max-width: 620px; }
.hero-tagline { margin-bottom: 22px; }
.hero-flow { margin: 0 auto 34px; max-width: 640px; }
.flow-track { display: flex; justify-content: center; gap: 7px; flex-wrap: wrap; min-height: 30px; }
.flow-dot {
  width: 13px; height: 13px; border-radius: 50%;
  background: #E3E8F0; transition: all .5s;
}
.flow-dot.lit { background: var(--primary); box-shadow: 0 0 8px rgba(0,110,255,.55); }
.flow-note { color: var(--weak); font-size: 12.5px; margin-top: 12px; }
.hero-actions { display: flex; justify-content: center; gap: 14px; }

/* ==========================================================
   首页 - 区块（关于服务 / 服务流程 / 信息安全）
   ========================================================== */
.page-body { padding: 56px 0 20px; }
.region { display: grid; grid-template-columns: 200px 1fr; gap: 36px; padding: 26px 0 40px; border-bottom: 1px solid var(--border); }
.region-side { }
.region-no { font-size: 13px; color: var(--weak); font-weight: 700; letter-spacing: 2px; }
.region-side h2 { font-size: 24px; font-weight: 800; margin-top: 6px; }
.region-main { min-width: 0; }
.region-main .bd { margin-bottom: 16px; }
.region-main .bd:last-child { margin-bottom: 0; }
.bd h3 { font-size: 16.5px; font-weight: 700; color: var(--text); }
.bd p { color: var(--sub); font-size: 14.5px; margin-top: 6px; }
.bd .sub { color: var(--weak); font-size: 12.5px; margin-left: 8px; font-weight: 400; }

/* 服务流程时间线 */
.flow-steps { position: relative; padding-left: 26px; }
.flow-steps::before {
  content: ""; position: absolute; left: 9px; top: 10px; bottom: 10px; width: 2px;
  background: rgba(0,110,255,.18);
}
.fstep { position: relative; padding-bottom: 16px; }
.fstep:last-child { padding-bottom: 0; }
.node {
  position: absolute; left: -26px; top: 20px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--primary); border: 2px solid #fff;
  box-shadow: 0 0 0 4px rgba(0,110,255,.22);
}
.fstep-card { padding: 18px 20px; margin-bottom: 0; }
.fstep-card b { font-size: 14.5px; color: var(--text); }
.fstep-card p { font-size: 13.5px; color: var(--sub); margin-top: 5px; }
.tip {
  margin-top: 18px; padding: 14px 18px; border-radius: 12px;
  background: var(--primary-soft); border: 1px solid var(--primary-border);
  color: var(--primary); font-size: 13px;
}

/* 信息安全 */
.sec-item {
  display: flex; align-items: flex-start; gap: 16px;
  background: #fff; border: 1px solid var(--border); border-radius: 16px;
  padding: 20px 22px; margin-bottom: 12px;
}
.sec-item:last-child { margin-bottom: 0; }
.sec-no { color: var(--weak); font-size: 14px; font-weight: 700; line-height: 1.6; }
.sec-item b { font-size: 15px; color: var(--text); }
.sec-item p { color: var(--sub); font-size: 13.5px; margin-top: 4px; }

/* 页脚 */
.footer { border-top: 1px solid var(--border); margin-top: 30px; }
.foot-inner { display: flex; align-items: center; justify-content: space-between; padding-top: 22px; padding-bottom: 22px; color: var(--weak); font-size: 13px; }
.foot-links a { color: var(--sub); margin-left: 16px; }

/* ==========================================================
   文档页 / 登录注册 / 扫码页
   ========================================================== */
.doc-page, .auth-page, .scan-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px;
  background: radial-gradient(600px 300px at 70% -40px, rgba(0,110,255,.09), transparent 70%), var(--bg);
}
.doc-box { width: 560px; }
.doc-box h1 { margin: 18px 0 12px; font-size: 24px; font-weight: 800; }
.doc-box p { color: var(--sub); font-size: 14px; margin-bottom: 8px; }
.auth-box { width: 400px; }
.scan-box { width: 420px; text-align: center; }
.auth-title { margin-top: 20px; font-size: 24px; font-weight: 800; }
.auth-sub { color: var(--sub); margin: 6px 0 24px; font-size: 14px; }

.alert { padding: 10px 14px; border-radius: 10px; font-size: 13.5px; margin-bottom: 16px; }
.alert-error { background: rgba(239,68,68,.06); border: 1px solid rgba(239,68,68,.25); color: #C0392B; }
.alert-ok { background: rgba(0,181,120,.06); border: 1px solid rgba(0,181,120,.25); color: var(--ok); }
.alert-warning { background: rgba(240,173,78,.08); border: 1px solid rgba(240,173,78,.3); color: #B58105; }

.form .field { display: block; margin-bottom: 16px; }
.field span { display: block; font-size: 13px; color: var(--sub); margin-bottom: 6px; font-weight: 500; }
.field input, .field textarea {
  width: 100%; padding: 11px 14px; border-radius: 12px; border: 1px solid var(--border);
  background: #FBFCFE; color: var(--text); font-size: 14px; font-family: inherit; outline: none;
  transition: border .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(0,110,255,.10); }
.field textarea { resize: vertical; }
.auth-switch { margin-top: 18px; text-align: center; font-size: 14px; color: var(--sub); }
.auth-back { margin-top: 16px; text-align: center; font-size: 13px; }
.auth-back a { color: var(--primary); font-weight: 600; }

/* 扫码 */
.qr-wrap {
  width: 330px; height: 330px; margin: 26px auto 12px; background: #fff;
  border: 1px solid var(--border); border-radius: 18px; padding: 12px; position: relative;
  box-shadow: var(--shadow-card);
}
.qr-wrap img {
  width: 100%; height: 100%; display: block; border-radius: 10px;
}
.qr-overlay {
  position: absolute; inset: 12px; border-radius: 12px; background: rgba(0,181,120,.94);
  display: flex; flex-direction: column; align-items: center; justify-content: center; color: #fff;
}
.qr-overlay span { font-size: 46px; font-weight: 800; }
.qr-overlay p { font-size: 14px; }
.scan-status { font-size: 14px; color: var(--sub); min-height: 24px; margin: 8px 0; }

/* ==========================================================
   控制台（无左侧栏：顶部卡片导航 + 整体卡片化）
   ========================================================== */
.dash { min-height: 100vh; background: var(--bg); }
.dash-top {
  background: #fff; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.dash-top-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap;
}
.dash-nav { display: flex; gap: 6px; order: 2; width: 100%; justify-content: center; flex-wrap: wrap; }
.dash-tab {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 22px; border-radius: 999px;
  border: 1px solid var(--border); background: #fff; color: var(--sub);
  font-size: 14px; font-weight: 600; transition: all .18s;
  box-shadow: var(--shadow-soft);
}
.dash-tab .ni { font-size: 15px; }
.dash-tab:hover { border-color: var(--primary); color: var(--primary); }
.dash-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(0,110,255,.28); }
.dash-user { display: flex; align-items: center; gap: 10px; }
.dash-user-meta b { display: block; font-size: 14px; color: var(--text); }
.dash-user-meta small { color: var(--weak); font-size: 12px; }

.avatar {
  width: 38px; height: 38px; border-radius: 50%; background: var(--primary);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; color: #fff; font-size: 15px;
  overflow: hidden; flex-shrink: 0;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.avatar-lg { width: 54px; height: 54px; font-size: 22px; }

.dash-body { padding-bottom: 60px; }
.content { padding-top: 28px; }

.notice {
  background: var(--primary-soft); border: 1px solid var(--primary-border);
  color: var(--primary); padding: 12px 16px; border-radius: 12px; font-size: 13.5px; margin-bottom: 22px;
}

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 22px; }
.stat-card {
  background: #fff; border: 1px solid var(--border); border-radius: 18px;
  padding: 26px 18px; text-align: center;
  box-shadow: var(--shadow-soft); transition: transform .18s, box-shadow .18s, border-color .18s;
}
.stat-card:hover {
  border-color: var(--primary-border); box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}
.stat-num { display: block; font-size: 32px; font-weight: 800; color: var(--primary); }
.stat-label { color: var(--weak); font-size: 13px; margin-top: 4px; display: block; }

.content .card { margin-bottom: 20px; }
.content .card h3 { margin-bottom: 14px; font-size: 16px; font-weight: 700; color: var(--text); }

.bind-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.bind-info { flex: 1; min-width: 0; }
.bind-info b { display: block; font-size: 15px; color: var(--text); }
.bind-info small { display: block; color: var(--weak); font-size: 12px; }

.task-line { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.task-info small { display: block; color: var(--weak); font-size: 12.5px; margin-top: 2px; }

.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.panel-head h2 { font-size: 20px; font-weight: 800; }
.panel-actions { display: flex; gap: 10px; }

/* 好友网格 */
.friend-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.friend-card { display: flex; align-items: center; gap: 12px; padding: 16px; transition: transform .18s, box-shadow .18s, border-color .18s; }
.friend-card:hover { border-color: var(--primary-border); box-shadow: var(--shadow-card); transform: translateY(-2px); }
.friend-ava {
  width: 44px; height: 44px; border-radius: 50%; background: var(--primary-soft);
  display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--primary);
}
.friend-info { flex: 1; min-width: 0; }
.friend-info b { display: block; font-size: 14.5px; color: var(--text); }
.friend-info small { color: var(--weak); font-size: 12px; }
.friend-ops { display: flex; align-items: center; gap: 8px; }

.switch { position: relative; display: inline-block; width: 42px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute; cursor: pointer; inset: 0; background: #D9DFE8;
  border-radius: 999px; transition: .3s;
}
.slider::before {
  content: ""; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px;
  background: #fff; border-radius: 50%; transition: .3s; box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.switch input:checked + .slider { background: var(--primary); }
.switch input:checked + .slider::before { transform: translateX(18px); }

.icon-btn {
  width: 30px; height: 30px; border-radius: 50%; border: 1px solid rgba(239,68,68,.25); cursor: pointer;
  background: rgba(239,68,68,.06); color: var(--err); font-size: 13px; transition: .2s;
}
.icon-btn:hover { background: rgba(239,68,68,.14); }

.empty { text-align: center; padding: 50px 20px; color: var(--weak); }
.empty span { font-size: 44px; display: block; margin-bottom: 12px; }

/* 表格 */
.table-wrap { padding: 0; overflow: hidden; }
.table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.table th, .table td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.table th { color: var(--weak); font-weight: 600; background: #FAFBFC; font-size: 12.5px; }
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: #FAFBFC; }
.td-msg, .td-detail { max-width: 180px; color: var(--sub); }

/* 弹窗 */
.modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; }
.modal-mask { position: absolute; inset: 0; background: rgba(20,29,46,.45); }
.modal-box { width: 400px; position: relative; }
.modal-box h3 { margin-bottom: 6px; color: var(--text); }
.modal-actions { display: flex; gap: 10px; margin-top: 20px; justify-content: flex-end; }

/* 代码块 */
.code {
  background: #F4F6FA; border: 1px solid var(--border); border-radius: 10px; padding: 14px;
  font-family: "SF Mono", Consolas, monospace; font-size: 12.5px; color: var(--sub);
  overflow-x: auto; margin-top: 10px; white-space: pre-wrap; word-break: break-all;
}
.inline-msg { margin-left: 12px; font-size: 13px; color: var(--ok); font-weight: 600; }

/* 表情快捷面板 */
.emoji-row { margin-bottom: 16px; }
.field-label { display: block; font-size: 13px; color: var(--sub); margin-bottom: 8px; font-weight: 500; }
.emoji-btns { display: flex; flex-wrap: wrap; gap: 8px; }
.emoji-btn {
  width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--border);
  background: #FBFCFE; font-size: 20px; cursor: pointer; transition: all .15s; line-height: 1;
}
.emoji-btn:hover { transform: scale(1.12); border-color: var(--primary); background: var(--primary-soft); }

/* 响应式 */
@media (max-width: 900px) {
  .hero-text h1 { font-size: 52px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .region { grid-template-columns: 1fr; gap: 18px; }
}
@media (max-width: 640px) {
  :root { --radius: 12px; }
  .container { padding: 0 14px; }
  .hero { padding: 46px 0 40px; }
  .hero-text h1 { font-size: 38px; }
  .hero-sub { font-size: 15px; }
  .status-time { display: none; }
  .top-right { gap: 6px; }
  .top-right .btn { padding: 8px 14px; font-size: 12.5px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-card { padding: 16px 8px; }
  .stat-num { font-size: 26px; }
  .dash-tab { padding: 8px 14px; font-size: 13px; gap: 4px; }
  .dash-tab .ni { font-size: 14px; }
  .content { padding-top: 18px; }
  .friend-grid { grid-template-columns: 1fr; }
  .panel-head h2 { font-size: 17px; }
  .content .card { padding: 16px; overflow: visible; }
  .bind-row { flex-wrap: wrap; gap: 10px; }
  .btn-primary { white-space: nowrap; }
  .emoji-btns { gap: 6px; }
  .emoji-btn { width: 38px; height: 38px; font-size: 19px; }
  .flow-track { gap: 5px; }
  .flow-dot { width: 11px; height: 11px; }
  /* 扫码弹窗移动端放大 */
  .scan-box { width: 100%; max-width: 420px; }
  .qr-wrap { width: min(330px, 78vw); height: min(330px, 78vw); }
}