/* ===== 门户导航首页（index.html 专用 · 分栏指挥台风格） ===== */

.portal-view {
  position: relative;
  display: flex;
  min-height: 100vh;
  overflow: hidden;
}

/* ---------- 左侧品牌栏 ---------- */

.portal-rail {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  width: 342px;
  flex: none;
  padding: 40px 34px 26px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(246, 250, 255, 0.86));
  border-right: 1px solid var(--line);
  backdrop-filter: blur(18px);
  overflow: hidden;
}

/* 栏内纵向扫光 */
.rail-beam {
  position: absolute;
  top: -45%;
  left: 0;
  width: 100%;
  height: 45%;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 0%, rgba(56, 189, 248, 0.07) 42%, rgba(56, 189, 248, 0.12) 50%, rgba(56, 189, 248, 0.07) 58%, transparent 100%);
  animation: rail-scan 8s linear infinite;
}

@keyframes rail-scan {
  0% { top: -45%; }
  100% { top: 130%; }
}

/* 浮动光斑 */
.rail-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(52px);
  pointer-events: none;
}

.rail-glow-a {
  width: 230px;
  height: 230px;
  top: -80px;
  left: -80px;
  background: rgba(56, 189, 248, 0.22);
  animation: rail-float 9s ease-in-out infinite;
}

.rail-glow-b {
  width: 270px;
  height: 270px;
  bottom: -100px;
  right: -100px;
  background: rgba(139, 92, 246, 0.17);
  animation: rail-float 11s ease-in-out infinite reverse;
}

@keyframes rail-float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(16px, 22px); }
}

/* 科技角标 */
.rail-corner {
  position: absolute;
  width: 18px;
  height: 18px;
  pointer-events: none;
  border: 2px solid var(--line-neon);
  opacity: 0.75;
}

.corner-tl { top: 14px; left: 14px; border-right: 0; border-bottom: 0; }
.corner-br { bottom: 14px; right: 14px; border-left: 0; border-top: 0; }

.rail-head {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
}

.rail-logo {
  width: 52px;
  height: 52px;
  border-radius: 15px;
  box-shadow: 0 0 22px rgba(34, 211, 238, 0.3), inset 0 0 14px rgba(34, 211, 238, 0.1);
}

.rail-logo .icon { width: 29px; height: 29px; }

.rail-brand { display: flex; flex-direction: column; gap: 5px; }

.rail-name {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 2px;
  line-height: 1.2;
}

.rail-tag {
  align-self: flex-start;
  padding: 2px 8px;
  border-radius: 6px;
  border: 1px solid rgba(8, 145, 178, 0.35);
  color: var(--primary);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 2.6px;
  font-family: var(--font-num);
  background: rgba(56, 189, 248, 0.08);
  box-shadow: inset 0 0 10px rgba(56, 189, 248, 0.08);
}

.rail-intro { position: relative; margin-top: 44px; }

.rail-intro h1 {
  margin: 0 0 14px;
  font-size: 27px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 1.5px;
  background: linear-gradient(92deg, #0f2a43 8%, #0284c7 48%, #7c3aed 88%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 2px 12px rgba(56, 189, 248, 0.22));
}

.rail-intro p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 1.2px;
  line-height: 1.9;
}

.rail-divider {
  position: relative;
  height: 1px;
  margin: 30px 0 26px;
  background: linear-gradient(90deg, rgba(8, 145, 178, 0.4), rgba(139, 92, 246, 0.32) 55%, transparent);
}

.rail-auth { position: relative; }

.rail-auth .user-chip {
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-left: 0;
  border-radius: 12px;
  background: var(--surface-2);
  font-size: 14px;
}

.rail-auth .user-chip #portalUsername {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.user-dot {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 8px var(--ok);
  animation: dot-breathe 2.4s ease-in-out infinite;
}

@keyframes dot-breathe {
  0%, 100% { box-shadow: 0 0 6px var(--ok); }
  50% { box-shadow: 0 0 14px var(--ok); }
}

.rail-foot {
  position: relative;
  margin-top: auto;
  padding-top: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--faint);
  font-size: 10.5px;
  letter-spacing: 2px;
  font-family: var(--font-num);
}

.rail-foot-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--line-strong), transparent);
}

/* ---------- 右侧服务区 ---------- */

.portal-main {
  position: relative;
  z-index: 1;
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  max-width: 908px;
  margin: 0 auto;
  padding: 42px 44px 22px;
}

.main-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.main-head-left { display: flex; flex-direction: column; gap: 3px; }

.main-head h2 {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 2.5px;
}

.head-en {
  color: var(--primary);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 3.4px;
  font-family: var(--font-num);
  opacity: 0.85;
}

.head-count {
  padding: 4px 13px;
  border-radius: 99px;
  border: 1px solid var(--line-strong);
  background: var(--surface-2);
  color: var(--muted);
  font-size: 11.5px;
  letter-spacing: 1px;
  font-family: var(--font-num);
}

/* ---------- 服务卡片（横式） ---------- */

.portal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.portal-card {
  position: relative;
  display: flex;
  align-items: stretch;
  min-height: 116px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  text-align: left;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  animation: card-in 0.45s ease both;
}

.portal-card:nth-child(2) { animation-delay: 0.06s; }
.portal-card:nth-child(3) { animation-delay: 0.12s; }
.portal-card:nth-child(4) { animation-delay: 0.18s; }
.portal-card:nth-child(5) { animation-delay: 0.24s; }

@keyframes card-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.portal-card:hover {
  transform: translateY(-4px);
  border-color: rgba(8, 145, 178, 0.45);
  box-shadow: var(--shadow-md), 0 0 28px rgba(56, 189, 248, 0.18);
}

.pc-cover {
  position: relative;
  display: block;
  width: 142px;
  flex: none;
  overflow: hidden;
}

.pc-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 52%, rgba(255, 255, 255, 0.92) 100%);
}

.pc-cover img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portal-card:hover .pc-cover img { transform: scale(1.07); }

.pc-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  flex: 1;
  min-width: 0;
  padding: 16px 46px 16px 18px;
}

.pc-name {
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 1.2px;
}

.pc-desc {
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.6;
}

/* 右侧箭头按钮 */
.pc-arrow {
  position: absolute;
  top: 50%;
  right: 14px;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--surface-2);
  color: var(--muted);
  transition: all 0.2s ease;
  pointer-events: none;
}

.pc-arrow .icon { width: 15px; height: 15px; }

.portal-card:hover .pc-arrow {
  border-color: rgba(8, 145, 178, 0.55);
  background: rgba(56, 189, 248, 0.14);
  color: var(--primary);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.28);
  transform: translateY(-50%) translateX(3px);
}

/* 悬停扫光 */
.pc-shine {
  position: absolute;
  top: 0;
  left: -80%;
  width: 55%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.5), transparent);
  transform: skewX(-18deg);
  transition: left 0.6s ease;
  pointer-events: none;
}

.portal-card:hover .pc-shine { left: 130%; }

/* 待上线宽卡 */
.portal-card.soon {
  grid-column: 1 / -1;
  min-height: 92px;
  cursor: default;
}

.portal-card.soon:hover {
  transform: none;
  border-color: var(--line);
  box-shadow: var(--shadow-sm);
}

.portal-card.soon .pc-cover { width: 190px; filter: saturate(0.5) brightness(1.06); }

.portal-card.soon .pc-name,
.portal-card.soon .pc-desc { color: var(--faint); }

.pc-tag {
  position: absolute;
  top: 50%;
  right: 16px;
  transform: translateY(-50%);
  padding: 4px 12px;
  border-radius: 99px;
  background: rgba(100, 116, 139, 0.08);
  border: 1px solid var(--line);
  color: var(--faint);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.8px;
  font-family: var(--font-num);
}

.portal-foot {
  margin-top: auto;
  padding: 20px 0 4px;
  text-align: center;
  color: var(--faint);
  font-size: 12px;
  letter-spacing: 0.5px;
}

#modalAuth .auth-card { animation: pop-in 0.18s ease; }

/* ---------- 深色主题适配 ---------- */

[data-theme="dark"] .portal-rail {
  background: linear-gradient(180deg, rgba(13, 21, 40, 0.78), rgba(9, 14, 29, 0.84));
}

[data-theme="dark"] .rail-intro h1 {
  background: linear-gradient(92deg, #eaf6ff 8%, #67e8f9 48%, #c4b5fd 88%);
  -webkit-background-clip: text;
  background-clip: text;
}

[data-theme="dark"] .pc-cover::after {
  background: linear-gradient(90deg, transparent 52%, rgba(11, 17, 33, 0.94) 100%);
}

[data-theme="dark"] .rail-glow-a { background: rgba(34, 211, 238, 0.16); }
[data-theme="dark"] .rail-glow-b { background: rgba(124, 58, 237, 0.2); }

/* ---------- 响应式 ---------- */

@media (max-width: 1080px) {
  .portal-rail { width: 300px; padding: 34px 26px 22px; }
  .portal-main { padding: 34px 30px 18px; }
  .pc-cover { width: 126px; }
}

@media (max-width: 900px) {
  .portal-view { flex-direction: column; overflow: visible; }

  .portal-rail {
    width: 100%;
    padding: 28px 22px 20px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .rail-intro { margin-top: 26px; }
  .rail-intro h1 { font-size: 22px; }
  .rail-divider { margin: 20px 0 18px; }
  .rail-foot { display: none; }
  .corner-br { display: none; }

  .portal-main { padding: 24px 20px 14px; max-width: 640px; width: 100%; }

  .portal-grid { grid-template-columns: 1fr; gap: 12px; }
  .portal-card.soon { grid-column: auto; }
  .portal-card.soon .pc-cover { width: 142px; }
}

@media (max-width: 520px) {
  .main-head h2 { font-size: 17px; }
  .head-count { display: none; }
  .portal-card { min-height: 100px; }
  .pc-cover { width: 108px; }
  .pc-body { padding: 12px 44px 12px 14px; }
  .pc-name { font-size: 14.5px; }
  .pc-desc { font-size: 12px; }
}