/* ===================================================================
   Bit7s Portal — Features Page (ref: short.io/zh/features)
   Loads after css/index.css (reuses :root vars, header, footer, cta)
   =================================================================== */

/* ==================== Hero ==================== */
.fph-hero {
  padding: 140px 20px 8px;
  text-align: center;
}
.fph-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--c-text);
  letter-spacing: -1px;
  line-height: 1.15;
}
.fph-hero .hl { color: var(--bit7s-blue); }
.fph-hero .fph-sub {
  margin: 18px auto 0;
  max-width: 640px;
  font-size: 1.15rem;
  color: var(--bit7s-gray);
  line-height: 1.7;
}

/* ==================== Tabs ==================== */
.fph-tabs-wrap {
  max-width: 1160px;
  margin: 40px auto 0;
  padding: 0 20px;
}
.fph-tabs {
  display: flex;
  gap: 2px;
  justify-content: center;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--bit7s-border);
}
.fph-tab {
  font-family: inherit;
  padding: 13px 16px;
  font-weight: 600;
  font-size: 0.93rem;
  color: #64748b;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s, border-color 0.2s;
}
.fph-tab:hover { color: var(--bit7s-blue); }
.fph-tab.active {
  color: var(--bit7s-blue);
  border-bottom-color: var(--bit7s-blue);
}

/* ==================== Panels ==================== */
.fph-panels {
  max-width: 1160px;
  margin: 0 auto;
  padding: 48px 20px 72px;
}
.fph-panel { display: none; }
.fph-panel.active { display: block; animation: fphFade 0.3s ease; }
@keyframes fphFade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.fph-panel-inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.fph-text h2 {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--c-text);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.fph-text .fph-desc {
  font-size: 1.05rem;
  color: var(--bit7s-gray);
  line-height: 1.75;
  margin-bottom: 24px;
}
.fph-points { display: flex; flex-direction: column; gap: 14px; }
.fph-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.98rem;
  font-weight: 500;
  color: #1e293b;
}
.fph-points .fp-check {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bit7s-blue-soft);
  color: var(--bit7s-blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

/* ==================== Visual mocks（共用外壳） ==================== */
.fph-visual {
  background: var(--bit7s-light-gray);
  border: 1px solid var(--bit7s-border);
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.07);
}
.mock-table { background: #fff; border: 1px solid var(--bit7s-border); border-radius: 10px; overflow: hidden; }
.mock-row {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 52px;
  gap: 8px;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.78rem;
}
.mock-row:last-child { border-bottom: none; }
.mock-row.head {
  background: var(--bit7s-light-gray);
  font-weight: 700;
  color: #64748b;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}
.mock-url { color: var(--bit7s-blue); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mock-dim { color: #94a3b8; }
.mock-chip {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  background: var(--bit7s-blue-soft);
  color: var(--bit7s-blue);
}
.mock-chip.gray { background: #f1f5f9; color: #64748b; }

.mock-domains { display: flex; flex-direction: column; gap: 12px; }
.mock-domain {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--bit7s-border);
  border-radius: 10px;
  padding: 14px 16px;
}
.mock-domain .md-ico {
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bit7s-blue-soft);
  color: var(--bit7s-blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.mock-domain .md-name { font-weight: 700; font-size: 0.92rem; color: var(--c-text); }
.mock-domain .md-status { margin-left: auto; font-size: 0.7rem; font-weight: 700; color: #16a34a; background: #f0fdf4; border-radius: 999px; padding: 3px 10px; }

.mock-team { display: flex; flex-direction: column; gap: 12px; }
.mock-member {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--bit7s-border);
  border-radius: 10px;
  padding: 12px 16px;
}
.mock-member .mm-ava {
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bit7s-blue);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.mock-member .mm-ava.gray { background: #94a3b8; }
.mock-member .mm-name { font-weight: 600; font-size: 0.9rem; color: var(--c-text); }
.mock-member .mm-mail { font-size: 0.72rem; color: #94a3b8; }

.mock-camp { display: flex; flex-direction: column; gap: 16px; }
.mock-camp-row { background: #fff; border: 1px solid var(--bit7s-border); border-radius: 10px; padding: 12px 16px; }
.mock-camp-top { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.mock-camp-name { font-weight: 700; font-size: 0.88rem; color: var(--c-text); }
.mock-camp-bar { height: 8px; border-radius: 999px; background: #f1f5f9; overflow: hidden; }
.mock-camp-fill { height: 100%; border-radius: 999px; background: var(--bit7s-blue); }

.mock-code {
  background: #0f172a;
  border-radius: 12px;
  padding: 18px;
  font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
  font-size: 0.78rem;
  line-height: 1.65;
  color: #e2e8f0;
  overflow-x: auto;
}
.mock-code .c-k { color: #7dd3fc; }
.mock-code .c-s { color: #86efac; }
.mock-code .c-m { color: #64748b; }

.mock-chart { background: #fff; border: 1px solid var(--bit7s-border); border-radius: 10px; padding: 18px 18px 14px; }
.mock-stats { display: flex; gap: 10px; margin-bottom: 16px; }
.mock-stat { flex: 1; border: 1px solid var(--bit7s-border); border-radius: 8px; padding: 8px 10px; }
.mock-stat .ms-n { font-size: 1rem; font-weight: 800; color: var(--c-text); }
.mock-stat .ms-l { font-size: 0.68rem; color: #94a3b8; margin-top: 2px; }
.mock-bars { display: flex; align-items: flex-end; gap: 10px; height: 120px; }
.mock-bar { flex: 1; border-radius: 6px 6px 0 0; background: var(--bit7s-blue-soft); }
.mock-bar.hi { background: var(--bit7s-blue); }
.mock-days { display: flex; gap: 10px; margin-top: 8px; }
.mock-days span { flex: 1; text-align: center; font-size: 0.66rem; color: #94a3b8; }

.mock-flow { display: flex; align-items: center; gap: 10px; }
.mock-flow .mf-box {
  background: #fff;
  border: 1px solid var(--bit7s-border);
  border-radius: 10px;
  padding: 14px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--c-text);
  text-align: center;
  flex: 1;
  word-break: break-all;
}
.mock-flow .mf-box.short { border-color: var(--bit7s-blue); background: var(--bit7s-blue-soft); color: var(--bit7s-blue); }
.mock-flow .mf-arrow { flex: none; color: #94a3b8; }
.mock-count {
  margin: 18px auto 0;
  width: fit-content;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--bit7s-border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--bit7s-gray);
}
.mock-count .mc-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bit7s-blue);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.mock-phone {
  margin: 0 auto;
  width: 200px;
  background: #fff;
  border: 1px solid var(--bit7s-border);
  border-radius: 24px;
  padding: 18px 16px 22px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.1);
}
.mock-phone .mp-notch { width: 64px; height: 5px; border-radius: 999px; background: #e2e8f0; margin: 0 auto 16px; }
.mock-phone .mp-ico {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--bit7s-blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}
.mock-phone .mp-btn {
  display: block;
  background: var(--bit7s-blue);
  color: #fff;
  border-radius: 10px;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 10px 0;
}

/* ==================== 响应式 ==================== */
@media (max-width: 960px) {
  .fph-panel-inner { grid-template-columns: 1fr; gap: 32px; }
  .fph-hero h1 { font-size: 2.3rem; }
}
@media (max-width: 768px) {
  .fph-hero { padding-top: 110px; }
  .fph-hero h1 { font-size: 1.9rem; }
  .fph-hero .fph-sub { font-size: 1rem; }
  .fph-tabs-wrap { margin-top: 28px; }
  .fph-tabs {
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .fph-tabs::-webkit-scrollbar { display: none; }
  .fph-panels { padding: 32px 20px 56px; }
  .fph-text h2 { font-size: 1.5rem; }
  .mock-row { grid-template-columns: 1.2fr 0.9fr 44px; }
  .mock-row .mock-hide-sm { display: none; }
}