/* ==========================================================================
   portal.css — 入口页（portal）
   纯展示用落地页：卡片网格列出各工具，无侧边栏。
   设计令牌复用主应用的绿色主题，保证视觉一致。
   ========================================================================== */

* { box-sizing: border-box; }

:root {
  --ui-bg:        #eef1f5;
  --ui-panel:     #ffffff;
  --ui-border:    #e3e6eb;
  --ui-text:      #1f2430;
  --ui-text-2:    #6b7280;
  --ui-text-3:    #9aa1ad;
  --ui-accent:    #07c160;
  --ui-accent-d:  #06ad56;
  --ui-radius:    14px;
  --ui-font:      -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                  "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

html, body { height: 100%; margin: 0; }

body {
  font-family: var(--ui-font);
  color: var(--ui-text);
  background:
    radial-gradient(1200px 600px at 50% -10%, #ffffff 0%, rgba(255,255,255,0) 55%),
    var(--ui-bg);
  -webkit-font-smoothing: antialiased;
}

.portal {
  max-width: 980px;
  margin: 0 auto;
  padding: 64px 24px 56px;
}

/* ---------------- 头部 ---------------- */
.portal__header { text-align: center; margin-bottom: 44px; }

.portal__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin-bottom: 18px;
  border-radius: 18px;
  background: var(--ui-accent);
  color: #fff;
  box-shadow: 0 12px 28px rgba(7, 193, 96, .28);
}

.portal__title {
  margin: 0 0 10px;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: .5px;
}

.portal__subtitle {
  margin: 0;
  font-size: 15px;
  color: var(--ui-text-2);
  line-height: 1.7;
}

/* ---------------- 卡片网格 ---------------- */
.portal__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(248px, 1fr));
  gap: 18px;
}

.portal__card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 22px 20px;
  background: var(--ui-panel);
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius);
  text-decoration: none;
  color: inherit;
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}

.portal__card--active:hover {
  transform: translateY(-3px);
  border-color: var(--ui-accent);
  box-shadow: 0 16px 34px rgba(16, 24, 40, .12);
}

.portal__card--soon {
  cursor: default;
  opacity: .72;
}

.portal__card-ico {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 16px;
  border-radius: 12px;
  background: rgba(7, 193, 96, .12);
  color: var(--ui-accent-d);
}

.portal__card-title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
}

.portal__card-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ui-text-2);
}

.portal__card-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 999px;
  background: #f0f2f5;
  color: var(--ui-text-3);
}

.portal__card--active .portal__card-badge {
  background: rgba(7, 193, 96, .14);
  color: var(--ui-accent-d);
}