/* 算德莱 — 纯手写 CSS，mobile-first，零框架零 CDN
   设计系统：深藏青 × 金色（B2B 大宗交易的专业可信感）
   间距：8px 体系；圆角：卡片 12 / 按钮 8 / 徽章 999 */

:root {
  /* 主色：深藏青层次 */
  --navy-900: #0A1931;
  --navy-800: #10294B;
  --navy-700: #1B3A66;
  --navy-600: #27508C;
  /* 点缀：金色（认证 / 喜报 / 推荐） */
  --gold: #D4AF37;
  --gold-bright: #E8C766;
  --gold-soft: #F7ECD2;
  --gold-dark: #8A6D1A;
  /* 价格红 */
  --red: #E64545;
  --red-dark: #C53030;
  --red-soft: #FCEBEB;
  /* 状态色 */
  --green: #16A34A;    /* 现货 翠绿 */
  --amber: #D97706;    /* 准现货 琥珀 */
  --indigo: #4F46E5;   /* 期货 靛蓝 */
  --purple: #7C3AED;   /* 求购 紫 */
  --teal: #0D9488;     /* 算力出租 青 */
  --pink: #DB2777;     /* 算力求租 粉红 */
  --green-soft: #E5F5EB;
  --amber-soft: #FBEFDC;
  --indigo-soft: #EBEAFC;
  --purple-soft: #F1E8FD;
  --teal-soft: #E0F5F2;
  --pink-soft: #FCE7F1;
  --gray-soft: #EEF1F6;
  /* 中性 */
  --bg: #F3F5F9;
  --card: #FFFFFF;
  --border: #E3E8F0;
  --text: #1B2432;
  --text-2: #3D4657;
  --muted: #6B7587;
  /* 圆角 */
  --r-card: 12px;
  --r-btn: 8px;
  --r-pill: 999px;
  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(10, 25, 49, .05), 0 2px 8px rgba(10, 25, 49, .04);
  --shadow-md: 0 6px 16px rgba(10, 25, 49, .10), 0 16px 40px rgba(10, 25, 49, .10);
  /* 字体 */
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

::selection { background: rgba(212, 175, 55, .35); }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
}

a { color: var(--navy-600); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== 顶栏 ===== */
.topbar {
  background: var(--navy-900);
  color: #fff;
  font-size: 14px;
  border-bottom: 1px solid rgba(212, 175, 55, .25);
  /* 吸顶只在 ≥768px 生效（见底部媒体查询），移动端只吸板块导航 */
}
.topbar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 16px;
  padding-top: 8px;
  padding-bottom: 8px;
}
.topbar .brand {
  color: var(--gold-bright);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 2px;
}
.topbar .brand:hover { text-decoration: none; }
.topbar .tagline { color: #8FA3C4; font-size: 13px; }
/* 业务线切换：整机算力 / 租用算力（普通导航链接样式，可继续扩展新业务线） */
.mode-tabs {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-left: 12px;
}
.mode-tab {
  color: #B9C7DE;
  font-size: 14px;
  font-weight: 600;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.mode-tab:hover { color: #fff; text-decoration: none; }
.mode-tab.active {
  color: var(--gold-bright);
  border-bottom-color: var(--gold-bright);
}
.topbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.topbar-wechat { color: var(--gold-bright); font-size: 13px; }
.topbar-action { color: #B9C7DE; font-size: 13px; white-space: nowrap; }
.topbar-action:hover { color: #fff; text-decoration: none; }
.topbar-action-gold { color: var(--gold-bright); font-weight: 600; }
.topbar-action-gold:hover { color: #FFE9A8; }

/* ===== 子页口号条（首页由 hero 覆盖） ===== */
.slogan-banner {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-800) 60%, #16365F);
  color: #fff;
  padding: 20px 0;
  text-align: center;
}
.slogan {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 2px;
}
.banner-actions { margin-top: 14px; }

/* ===== 首页 hero ===== */
.hero {
  background:
    radial-gradient(900px 320px at 85% -10%, rgba(212, 175, 55, .16), transparent 60%),
    radial-gradient(700px 300px at 5% 110%, rgba(39, 80, 140, .35), transparent 60%),
    linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 55%, #16365F 100%);
  color: #fff;
  padding: 48px 0 0;
}
.hero-inner { text-align: center; }
.hero-brand {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: 10px;
  line-height: 1.2;
  background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-slogan {
  margin: 12px 0 0;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 2px;
}
.hero-sub {
  margin: 12px auto 0;
  max-width: 560px;
  color: #A9BBD9;
  font-size: 15px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
}
.hero-member-link {
  color: var(--gold-bright);
  font-size: 14px;
}
/* 数据统计带：融入 hero 下沿 */
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0 32px;
  margin: 32px 0 0;
  padding: 16px 0 20px;
  border-top: 1px solid rgba(255, 255, 255, .12);
}
.hero-stat {
  display: flex;
  flex-direction: column-reverse;
  text-align: center;
  padding: 4px 8px;
}
.hero-stat dd {
  margin: 0;
  font-size: 26px;
  font-weight: 800;
  color: var(--gold-bright);
  font-variant-numeric: tabular-nums;
  line-height: 1.3;
}
.hero-stat dt { color: #8FA3C4; font-size: 13px; }

/* ===== 板块导航（吸顶，藏青块 + 金色高亮） ===== */
.catnav {
  position: sticky;
  /* 移动端顶栏不吸顶，板块导航直接贴视口顶部；桌面端在媒体查询中改为 48px */
  top: 0;
  z-index: 50;
  background: linear-gradient(180deg, var(--navy-800), var(--navy-900));
  border-bottom: 2px solid rgba(212, 175, 55, .5);
  box-shadow: 0 2px 8px rgba(10, 25, 49, .25);
}
.catnav-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 10px;
  padding-bottom: 10px;
}
.catnav-link {
  padding: 5px 16px;
  border-radius: var(--r-pill);
  font-size: 15px;
  font-weight: 600;
  color: #C7D3E8;
  transition: background .15s ease, color .15s ease;
}
.catnav-link:hover {
  background: rgba(212, 175, 55, .18);
  color: var(--gold-bright);
  text-decoration: none;
}
.catnav-link.active {
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  color: var(--navy-900);
}

/* ===== 主体 ===== */
.main { padding-top: 24px; padding-bottom: 40px; }

.section-title {
  font-size: 20px;
  font-weight: 700;
  margin: 24px 0 16px;
  padding-left: 12px;
  border-left: 4px solid var(--gold);
  color: var(--navy-800);
}

.flashes { margin-bottom: 16px; }
.flash {
  background: var(--gold-soft);
  border: 1px solid rgba(212, 175, 55, .5);
  border-radius: var(--r-btn);
  padding: 10px 16px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--gold-dark);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-block;
  border: 1px solid var(--navy-700);
  border-radius: var(--r-btn);
  padding: 8px 18px;
  background: #fff;
  color: var(--navy-700);
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease,
    box-shadow .15s ease, transform .15s ease;
}
.btn:hover { text-decoration: none; box-shadow: var(--shadow-sm); }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(180deg, var(--navy-700), var(--navy-800));
  border-color: transparent;
  color: #fff;
}
.btn-primary:hover { background: linear-gradient(180deg, var(--navy-600), var(--navy-700)); }
.btn-outline { background: transparent; color: var(--navy-700); }
.btn-outline:hover { background: rgba(16, 41, 75, .06); }
.btn-danger { border-color: var(--red); color: var(--red); }
.btn-danger:hover { background: var(--red-soft); }
.btn-gold {
  background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  border-color: transparent;
  color: var(--navy-900);
}
.btn-gold:hover { background: linear-gradient(180deg, #F0D37E, var(--gold-bright)); }
.btn-ghost {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .4);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255, 255, 255, .16); }
.btn-lg { padding: 12px 32px; font-size: 17px; }
.btn-sm { padding: 3px 12px; font-size: 13px; border-color: #C7CEDA; color: var(--text-2); font-weight: 500; }
.btn-sm.btn-primary { border-color: transparent; color: #fff; }
.btn-sm.btn-danger { border-color: var(--red); color: var(--red); }

.cta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
}

/* ===== 货源卡片 ===== */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: var(--r-card);
  padding: 12px 16px 10px;
  box-shadow: var(--shadow-sm);
}
/* 状态色顶条：一眼区分现货/准现货/期货 */
.card-green { border-top-color: #16A34A; }
.card-orange { border-top-color: #D97706; }
.card-blue  { border-top-color: #4F46E5; }
.card-gray  { border-top-color: #9AA5B5; }
.card-grid .card {
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card-grid .card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #D5DCE8;
}
.card-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 4px 12px;
  margin-bottom: 6px;
}
/* 卡片头部：查看联系方式按钮紧贴价格左侧 */
.card-head .btn-contact { margin-left: auto; }
.card-head .card-price { margin-left: 12px; }
.btn-contact {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--gold-dark);
  border: 1px solid var(--gold);
  border-radius: var(--r-pill);
  padding: 3px 12px;
  background: rgba(212, 175, 55, .08);
  white-space: nowrap;
}
/* 实物/资质图片入口：藏青描边，与金色联系方式按钮区分 */
.btn-photos {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--navy-700);
  border: 1px solid var(--navy-600);
  border-radius: var(--r-pill);
  padding: 3px 12px;
  background: rgba(39, 80, 140, .07);
  white-space: nowrap;
}
.btn-photos:hover {
  background: var(--navy-700);
  color: #fff;
  text-decoration: none;
}
/* 详情页图片区 */
.photos-box {
  margin-top: 16px;
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: 14px 16px;
  background: #FAFBFD;
}
.photos-box h3 { margin: 0 0 10px; font-size: 15px; color: var(--navy-800); }
.photos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}
.photos-grid img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.photos-locked {
  text-align: center;
  padding: 18px 0 8px;
  color: #4B5B73;
}
.btn-contact:hover {
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  color: var(--navy-900);
  text-decoration: none;
}

/* ===== 弹窗（查看联系方式-开通会员提示） ===== */
.modal-mask {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 25, 49, .55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
/* display:flex 会覆盖 hidden 属性的默认隐藏，需显式声明 */
.modal-mask[hidden] { display: none; }
.modal-box {
  position: relative;
  background: #fff;
  border-radius: var(--r-card);
  border-top: 3px solid var(--gold);
  box-shadow: var(--shadow-md);
  max-width: 400px;
  width: 100%;
  padding: 28px 24px 20px;
  text-align: center;
}
.modal-box h3 { margin: 0 0 10px; color: var(--navy-800); font-size: 18px; }
.modal-box p { color: #4B5B73; font-size: 14px; margin: 0 0 14px; }
.modal-actions { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.modal-tip { font-size: 13px; color: #8494AB; margin: 0; }
.modal-close {
  position: absolute;
  top: 8px;
  right: 10px;
  border: none;
  background: none;
  font-size: 22px;
  line-height: 1;
  color: #8494AB;
  cursor: pointer;
}
.modal-close:hover { color: var(--navy-800); }
.btn-ghost-dark {
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: var(--r-btn, 8px);
  padding: 8px 16px;
  color: var(--navy-800);
  font-size: 14px;
  background: #fff;
}
.btn-ghost-dark:hover { background: #F2F5FA; text-decoration: none; }
.card-price { margin-left: auto; }
.card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}
.card-code {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--navy-700);
  background: var(--gray-soft);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 7px;
}
.card-source { color: var(--muted); font-size: 12px; }

/* 状态 / 认证 pill 徽章 */
.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.5;
}
.tag-green  { background: var(--green-soft);  color: #0E7A38; }
.tag-orange { background: var(--amber-soft);  color: #9A5503; }
.tag-blue   { background: var(--indigo-soft); color: #3F37C9; }
.tag-gray   { background: var(--gray-soft);   color: var(--muted); }
.tag-purple { background: var(--purple-soft); color: #6520C9; }
.tag-teal   { background: var(--teal-soft);   color: var(--teal); }
.tag-pink   { background: var(--pink-soft);   color: var(--pink); }
.tag-gold {
  background: var(--gold-soft);
  color: var(--gold-dark);
  border: 1px solid var(--gold);
}

/* 价格：软红底 chip，视觉锚点 */
.card-price {
  color: var(--red);
  background: #FDECEC;
  border-radius: 8px;
  padding: 3px 10px;
  font-size: 22px;
  font-weight: 800;
  white-space: nowrap;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.card-price small { font-size: 12px; font-weight: 500; color: var(--red-dark); margin-left: 2px; }

.card-title { margin-bottom: 6px; font-size: 16px; line-height: 1.6; }
.card-title a { color: var(--navy-800); }
.card-title strong { font-size: 17px; }
.card-title a:hover { color: var(--navy-600); text-decoration: none; }

/* 数量/主体小 chip：与状态徽章形成色彩层次 */
.chip {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 8px;
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.5;
  vertical-align: 1px;
}
.chip-navy { background: #E8EEF7; color: var(--navy-700); }
.chip-gold { background: var(--gold-soft); color: var(--gold-dark); }

/* 字段区：桌面两列紧凑栅格，标签做成小色块 */
.card-dl, .detail-dl {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 20px;
  font-size: 13px;
}
@media (min-width: 640px) {
  .card-dl { grid-template-columns: 1fr 1fr; }
}
.card-row { display: flex; gap: 6px; padding: 3px 0; align-items: baseline; }
.card-row-full { grid-column: 1 / -1; }
.card-row dt {
  flex: 0 0 auto;
  color: var(--navy-700);
  background: var(--gray-soft);
  border-radius: 4px;
  padding: 0 5px;
  font-size: 12px;
  line-height: 1.7;
}
.card-row dd { margin: 0; flex: 1; word-break: break-all; color: var(--text); line-height: 1.7; }

.empty {
  padding: 40px 0;
  text-align: center;
  color: var(--muted);
}
.empty-state {
  text-align: center;
  padding: 48px 16px;
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--r-card);
  color: var(--muted);
}

/* ===== 求购卡片（紫色系，与货源卡片区分） ===== */
.card-want { border-top: 3px solid var(--purple); }
.card-want .card-code { color: var(--purple); }
.card-budget { color: var(--purple); background: var(--purple-soft); }
.card-budget small { color: var(--purple); }

/* ===== 算力租赁卡片（出租=青 / 求租=粉红，与整机卡片区分） ===== */
.card-rent-out { border-top: 3px solid var(--teal); }
.card-rent-in { border-top: 3px solid var(--pink); }
.card-rent-out .card-code { color: var(--teal); }
.card-rent-in .card-code { color: var(--pink); }
/* 租赁价格 chip：teal 软底（求租时 pink 软底）；价格文案长短不一，字号略小于整机价格 */
.card-rent-price {
  color: var(--teal);
  background: var(--teal-soft);
  font-size: 16px;
  font-weight: 700;
}
.card-rent-price-in { color: var(--pink); background: var(--pink-soft); }

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
  font-size: 14px;
  color: var(--muted);
}
.breadcrumb a { color: var(--navy-600); }
.breadcrumb .sep { color: #B9C2D1; }

/* ===== 提交页 kind 切换标签 ===== */
.kind-tabs {
  display: inline-flex;
  gap: 4px;
  margin-bottom: 16px;
  padding: 4px;
  background: #E9EDF4;
  border-radius: var(--r-pill);
}
.kind-tab {
  padding: 6px 20px;
  border: none;
  border-radius: var(--r-pill);
  background: transparent;
  font-size: 15px;
  color: var(--text-2);
  transition: background .15s ease, color .15s ease;
}
.kind-tab:hover { text-decoration: none; color: var(--navy-700); }
.kind-tab-active {
  background: var(--navy-800);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
/* 租赁板块标签页：当前 tab 用青/粉红高亮 */
.kind-tab-rent-out.kind-tab-active { background: var(--teal); }
.kind-tab-rent-in.kind-tab-active { background: var(--pink); }

/* 区块底部"查看全部"链接 */
.section-more { margin: 12px 0 0; text-align: right; font-size: 14px; }
.section-more a { color: var(--navy-600); font-weight: 600; }

/* ===== 推送报告页 ===== */
.report-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-sm);
  padding: 16px 20px;
  margin-bottom: 16px;
}
.report-block h2 { font-size: 16px; margin: 0 0 10px; color: var(--navy-800); }
.report-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-btn);
  font-size: 13px;
  font-family: inherit;
  background: #FAFBFD;
  margin-bottom: 8px;
  resize: vertical;
}

/* ===== 筛选条 ===== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-sm);
  padding: 16px;
  margin-bottom: 16px;
}
.filter-bar label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--text-2);
}
.filter-bar input, .filter-bar select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--r-btn);
  font-size: 14px;
  font-family: inherit;
  background: #fff;
}
.listing-count { color: var(--muted); margin: 8px 0 16px; font-size: 14px; }

/* 全局筛选条：固定在板块导航下方，全站唯一 */
.global-filter {
  margin: 16px auto 0;
  border: 2px solid rgba(212, 175, 55, .55);
  box-shadow: 0 4px 16px rgba(10, 25, 49, .12);
  padding: 18px;
}
.global-filter label { min-width: 140px; flex: 1; color: var(--navy-700); font-weight: 600; }
.global-filter input, .global-filter select { padding: 10px 12px; }
.global-filter .btn { align-self: flex-end; padding: 10px 22px; font-size: 15px; }

/* ===== 详情页 ===== */
.detail-card { padding: 20px 24px; margin-bottom: 16px; }
.detail-title { margin: 4px 0 16px; font-size: 22px; color: var(--navy-800); }
.detail-dl { font-size: 15px; margin-top: 8px; }
.detail-dl .card-row { padding: 9px 0; }

/* 联系方式行动卡：深藏青底 + 金色 CTA */
.contact-box {
  margin-top: 20px;
  padding: 24px;
  border: none;
  border-radius: var(--r-card);
  background:
    radial-gradient(500px 200px at 90% 0%, rgba(212, 175, 55, .18), transparent 60%),
    linear-gradient(135deg, var(--navy-900), var(--navy-700));
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.contact-box h3 { margin-top: 0; color: var(--gold-bright); font-size: 17px; }
.contact-wechat { font-size: 18px; margin: 8px 0; }
.contact-wechat strong { color: #fff; font-variant-numeric: tabular-nums; }
.contact-box .btn-primary {
  background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  border-color: transparent;
  color: var(--navy-900);
  font-weight: 700;
}
.contact-box .btn-primary:hover {
  background: linear-gradient(180deg, #F0D37E, var(--gold-bright));
}
.contact-note { color: #A9BBD9; font-size: 13px; margin-bottom: 0; }

.safety-tips {
  background: #FFFBF7;
  border: 1px solid #F3D9CD;
  border-left: 4px solid var(--red);
  border-radius: var(--r-card);
  padding: 16px 20px;
  font-size: 14px;
}
.safety-tips h3 { margin-top: 0; color: var(--red-dark); font-size: 16px; }
.safety-tips ul { margin: 0; padding-left: 20px; color: var(--text-2); }

/* ===== 表单 ===== */
.form { max-width: 640px; }
.form-narrow { max-width: 380px; }
.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
  font-size: 14px;
  color: var(--text-2);
}
.form-field input, .form-field textarea, .form-field select,
.filter-bar input, .filter-bar select,
.admin-inline-form input, .admin-inline-form select,
.report-textarea {
  transition: border-color .15s ease, box-shadow .15s ease;
}
.form-field input, .form-field textarea, .form-field select {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-btn);
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus,
.filter-bar input:focus, .filter-bar select:focus,
.admin-inline-form input:focus, .admin-inline-form select:focus,
.report-textarea:focus {
  outline: none;
  border-color: var(--navy-600);
  box-shadow: 0 0 0 3px rgba(39, 80, 140, .14);
}
.required { color: var(--red); }
.hint { color: var(--muted); font-size: 14px; }

/* ===== 会员套餐 ===== */
.plan-grid {
  display: grid;
  /* 5 张卡片（4 档会员 + 认证服务商）自适应列数，桌面端一行排开 */
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin: 24px 0;
}
.plan-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-sm);
  padding: 24px 18px;
  text-align: center;
  transition: transform .18s ease, box-shadow .18s ease;
}
.plan-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.plan-card h3 { margin: 0 0 8px; color: var(--navy-800); }
.plan-price {
  margin: 0;
  font-size: 30px;
  font-weight: 800;
  color: var(--red);
  font-variant-numeric: tabular-nums;
}
.plan-unit { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.plan-card .btn { margin-top: 12px; }
.plan-price small { font-size: 14px; font-weight: 600; color: var(--red-dark); }
.plan-price-sm { font-size: 24px; }
.plan-save { color: var(--gold-dark); font-weight: 600; }
/* 卡内权益列表：填满卡片，左对齐带勾 */
.plan-benefits {
  list-style: none;
  margin: 14px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--border);
  text-align: left;
  font-size: 13px;
  color: var(--text-2);
  display: grid;
  gap: 7px;
}
.plan-benefits li { padding-left: 20px; position: relative; line-height: 1.5; }
.plan-benefits li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: #16A34A;
  font-size: 12px;
  font-weight: 700;
}
/* 年付推荐：金边 + 翘角折角 */
.plan-recommended {
  border: 2px solid var(--gold);
  box-shadow: 0 8px 24px rgba(212, 175, 55, .18);
}
.plan-recommended::after {
  content: "";
  position: absolute;
  top: -2px;
  right: -2px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 30px 30px 0;
  border-color: transparent var(--gold) transparent transparent;
  border-radius: 0 10px 0 0;
}
.plan-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  color: var(--navy-900);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: var(--r-pill);
  white-space: nowrap;
  box-shadow: 0 2px 6px rgba(212, 175, 55, .4);
}
.benefits, .join-how {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-sm);
  padding: 16px 20px;
  margin-bottom: 16px;
}
.benefits h3, .join-how h3 { margin-top: 0; color: var(--navy-800); }
.benefits ul { margin: 0; padding-left: 20px; color: var(--text-2); }
.benefits li { padding: 3px 0; }

/* ===== 页脚 ===== */
.footer {
  background: var(--navy-900);
  border-top: 2px solid rgba(212, 175, 55, .4);
  color: #8FA3C4;
  font-size: 13px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 32px 0 24px;
}
@media (min-width: 640px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 960px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; }
}
.footer-col h4 {
  color: #C7D3E8;
  font-size: 14px;
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(212, 175, 55, .25);
}
.footer-col a {
  display: block;
  margin: 6px 0;
  color: #8FA3C4;
}
.footer-col a:hover { color: var(--gold-bright); }
.footer-col p { margin: 6px 0; }
.footer-logo {
  color: var(--gold-bright);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 8px;
}
.footer-slogan { color: #C7D3E8; font-size: 14px; font-weight: 600; margin: 4px 0; }
.footer-tag { color: #6B7E9F; margin: 4px 0; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 14px 0;
  font-size: 12px;
  color: #6B7E9F;
}
.footer-bottom p { margin: 4px 0; }
.footer a:hover { color: var(--gold-bright); }

/* ===== 管理后台 ===== */
.admin-layout { display: flex; flex-direction: column; min-height: 100vh; }
.admin-side {
  background: linear-gradient(180deg, var(--navy-900), var(--navy-800));
  color: #fff;
  padding: 12px 0;
}
.admin-brand {
  padding: 0 16px 10px;
  font-weight: 700;
  color: var(--gold-bright);
  border-bottom: 1px solid rgba(255, 255, 255, .12);
  margin-bottom: 8px;
}
.admin-nav { display: flex; flex-wrap: wrap; }
.admin-nav a {
  display: block;
  padding: 8px 16px;
  color: #C7D3E8;
  font-size: 14px;
  border-left: 3px solid transparent;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.admin-nav a:hover {
  background: rgba(255, 255, 255, .08);
  border-left-color: var(--gold);
  color: #fff;
  text-decoration: none;
}
.admin-main {
  flex: 1;
  padding: 24px 16px;
  background: var(--bg);
  min-width: 0;
}
.admin-main h1 { font-size: 20px; margin-top: 0; color: var(--navy-800); }
.admin-page-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.admin-page-head h1 { margin: 0; }
.admin-links { padding-left: 20px; }
.admin-links li { padding: 4px 0; }

.admin-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  font-size: 14px;
}
.admin-table th, .admin-table td {
  padding: 8px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}
.admin-table th {
  background: var(--navy-800);
  color: #fff;
  font-weight: 600;
  white-space: nowrap;
}
.admin-table tbody tr:nth-child(even) td { background: #F8FAFD; }
.admin-table tbody tr:hover td { background: #EFF4FB; }
.admin-table tbody tr:last-child td { border-bottom: none; }
.admin-table code {
  font-family: var(--mono);
  font-size: 13px;
  background: var(--gray-soft);
  border-radius: 4px;
  padding: 1px 6px;
}
.admin-actions { white-space: nowrap; }
.admin-actions form { display: inline; }
.cell-truncate { max-width: 320px; }

.admin-inline-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  max-width: none;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-sm);
  padding: 12px 16px;
  margin-bottom: 16px;
}
.admin-table .admin-inline-form { box-shadow: none; padding: 0; border: none; margin: 0; background: transparent; }
.admin-inline-form input, .admin-inline-form select {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--r-btn);
  font-size: 14px;
  font-family: inherit;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 16px;
}
.form-field-full { grid-column: 1 / -1; }
.form-field-inline { flex-direction: row; align-items: center; gap: 8px; }

.stat-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-sm);
  padding: 16px 24px;
  min-width: 128px;
  text-align: center;
}
.stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--navy-800);
  font-variant-numeric: tabular-nums;
}
.stat-label { color: var(--muted); font-size: 13px; }
.stat-alert { border-color: var(--red); }
.stat-alert .stat-num { color: var(--red); }

/* ===== 在线支付（四期） ===== */
.btn-pay {
  background: linear-gradient(180deg, #1DB954, var(--green));
  border-color: transparent;
  color: #fff;
}
.btn-pay:hover { background: linear-gradient(180deg, var(--green), #12833D); color: #fff; }

.pay-card {
  max-width: 440px;
  margin: 0 auto 24px;
  text-align: center;
  padding: 24px;
  border-top: 3px solid var(--gold);
}
.pay-card h3 { margin-top: 0; color: var(--navy-800); }

.pay-type-options {
  display: flex;
  gap: 12px;
}
.pay-type-option {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  cursor: pointer;
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: var(--r-btn);
  background: #fff;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.pay-type-option:hover { border-color: var(--navy-600); }
.pay-type-option:has(input:checked) {
  border-color: var(--navy-600);
  box-shadow: 0 0 0 3px rgba(39, 80, 140, .12);
}

.pay-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 13px;
}
.pay-trust li::before { content: "✔ "; color: var(--green); }

.pay-result-card { text-align: center; padding: 32px 24px; }
.pay-result-ok { color: var(--green); font-size: 22px; }

.passcode-box {
  max-width: 360px;
  margin: 16px auto;
  padding: 16px 20px;
  border: 2px dashed var(--gold);
  border-radius: var(--r-card);
  background: var(--gold-soft);
  color: var(--gold-dark);
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 6px;
  text-align: center;
}
.passcode-warn { color: var(--red); font-weight: 600; }

/* ===== 认证服务商 / 海报选择 ===== */
.partner-list {
  display: grid;
  gap: 12px;
}
.partner-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
}
.partner-name { font-size: 17px; color: var(--navy-800); }

.poster-check-list {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}
.poster-check-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-btn);
  padding: 10px 16px;
  cursor: pointer;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.poster-check-item:hover { border-color: var(--navy-600); box-shadow: var(--shadow-sm); }
.poster-check-code { font-weight: 600; color: var(--muted); font-family: var(--mono); font-size: 13px; }

.admin-login-box {
  max-width: 380px;
  margin: 80px auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-md);
  padding: 28px;
  border-top: 3px solid var(--gold);
}
.admin-login-box h1 { font-size: 18px; margin-top: 0; color: var(--navy-800); }
body.admin-login { background: linear-gradient(135deg, var(--navy-900), var(--navy-800)); }

/* ===== ≥640px ===== */
@media (min-width: 640px) {
  .hero { padding-top: 64px; }
  .hero-brand { font-size: 52px; }
  .hero-slogan { font-size: 30px; }
  .detail-dl { grid-template-columns: 1fr 1fr; }
}

/* 顶栏固定高度且不换行，中等宽度隐藏口号避免溢出 */
@media (min-width: 768px) and (max-width: 1023px) {
  .topbar .tagline { display: none; }
}

/* ===== ≥768px：双列网格 / 后台侧栏 / 双层吸顶 ===== */
@media (min-width: 768px) {
  .slogan { font-size: 24px; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .card-dl { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr 1fr; }
  /* 顶栏吸顶并固定高度，板块导航固定在顶栏正下方（47px + 1px 边框） */
  .topbar { position: sticky; top: 0; z-index: 100; }
  .topbar-inner { height: 47px; padding-top: 0; padding-bottom: 0; box-sizing: border-box; flex-wrap: nowrap; }
  .catnav { top: 48px; }
  .admin-layout { flex-direction: row; }
  .admin-side { flex: 0 0 176px; padding: 16px 0; }
  .admin-nav { display: block; }
  .admin-main { padding: 28px 24px; }
}