/* 登录页：沿用首页的水墨鎏金，左介绍右登录 */
.login-page { display: flex; flex-direction: column; }
.lg-wrap {
  position: relative; z-index: 1; flex: 1;
  width: 100%; max-width: 1160px; margin: 0 auto;
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 420px); gap: clamp(32px, 6vw, 88px);
  align-items: center; padding: clamp(96px, 12vh, 128px) 16px 48px;
}

/* ---------- 左：介绍 ---------- */
.lg-intro { animation: fadeUp 1s .1s both; }
.lg-kicker { display: flex; align-items: center; gap: 12px; font-size: 13px; letter-spacing: .35em; color: var(--gold); }
.lg-kicker span { width: 40px; height: 1px; background: linear-gradient(90deg, transparent, var(--gold)); }
.lg-title {
  margin: 14px 0 0; font-family: var(--brush); font-weight: 400;
  font-size: clamp(40px, 5.6vw, 68px); line-height: 1.2; letter-spacing: .08em;
  background: linear-gradient(115deg, var(--gold-lo) 0%, var(--gold) 30%, var(--gold-hi) 48%, var(--gold) 62%, var(--gold-lo) 100%);
  background-size: 250% 100%; -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 4px 20px rgba(212,175,106,.22));
  animation: shimmer 7s linear infinite;
}
.lg-lead { margin: 14px 0 0; font-family: var(--kai); font-size: clamp(15px, 1.5vw, 18px); letter-spacing: .12em; color: var(--paper-dim); }

.lg-feats { list-style: none; margin: 32px 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.lg-feats li {
  display: flex; gap: 14px; padding: 16px 16px 15px;
  border: 1px solid rgba(212,175,106,.12); border-radius: 10px;
  background: linear-gradient(160deg, rgba(255,255,255,.035), rgba(255,255,255,.008));
  transition: border-color .3s, background .3s;
}
.lg-feats li:hover { border-color: rgba(212,175,106,.35); background: linear-gradient(160deg, rgba(212,175,106,.07), rgba(255,255,255,.01)); }
.lg-ico {
  flex: none; display: grid; place-items: center; width: 38px; height: 38px; margin-top: 2px;
  color: var(--gold); border: 1px solid var(--line); transform: rotate(45deg); border-radius: 6px;
  background: radial-gradient(circle, rgba(212,175,106,.14), transparent 70%);
}
.lg-ico svg { width: 18px; height: 18px; transform: rotate(-45deg); fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.lg-feats b { display: block; font-family: var(--kai); font-size: 17px; font-weight: 600; letter-spacing: .15em; color: var(--paper); }
.lg-feats span { display: block; margin-top: 4px; font-size: 13px; line-height: 1.65; color: var(--paper-dim); }

.lg-flow { list-style: none; margin: 28px 0 0; padding: 0; display: flex; align-items: center; flex-wrap: wrap; gap: 8px 0; }
.lg-flow li { display: flex; align-items: center; gap: 8px; font-family: var(--kai); font-size: 15px; letter-spacing: .1em; color: var(--paper); }
.lg-flow li + li::before { content: ""; width: clamp(18px, 3vw, 36px); height: 1px; margin: 0 12px; background: linear-gradient(90deg, var(--gold-lo), var(--gold)); }
.lg-flow em {
  display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%;
  font-style: normal; font-size: 13px; color: #fbe9e7; background: var(--cinnabar);
  box-shadow: 0 0 12px rgba(179,38,30,.4);
}

/* ---------- 右：登录框 ---------- */
.lg-panel {
  position: relative; padding: 40px 36px 30px;
  background: linear-gradient(170deg, rgba(24,22,18,.92), rgba(10,11,14,.94));
  border: 1px solid rgba(212,175,106,.28); border-radius: 4px;
  box-shadow: 0 30px 80px -24px rgba(0,0,0,.9), inset 0 0 0 4px rgba(10,11,14,.9), inset 0 0 0 5px rgba(212,175,106,.12);
  backdrop-filter: blur(10px);
  animation: fadeUp 1s .3s both;
}
.lg-panel::before { /* 顶部鎏金光 */
  content: ""; position: absolute; left: 15%; right: 15%; top: -1px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-hi), transparent);
}
.cn { position: absolute; width: 18px; height: 18px; border: 2px solid var(--gold); pointer-events: none; }
.cn.tl { top: -5px; left: -5px; border-right: 0; border-bottom: 0; }
.cn.tr { top: -5px; right: -5px; border-left: 0; border-bottom: 0; }
.cn.bl { bottom: -5px; left: -5px; border-right: 0; border-top: 0; }
.cn.br { bottom: -5px; right: -5px; border-left: 0; border-top: 0; }

.lg-panel-head { text-align: center; margin-bottom: 26px; }
.lg-panel-seal {
  display: inline-grid; place-items: center; width: 46px; height: 46px; margin-bottom: 10px;
  font-family: var(--brush); font-size: 26px; color: #fbe9e7;
  background: var(--cinnabar); border-radius: 6px; transform: rotate(-6deg);
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.14), 0 0 22px rgba(179,38,30,.45);
}
.lg-panel-head h2 { margin: 0; font-family: var(--brush); font-weight: 400; font-size: 34px; letter-spacing: .3em; color: var(--paper); }
.lg-panel-head p { margin: 4px 0 0; font-size: 13px; letter-spacing: .2em; color: var(--paper-dim); }

.lg-error {
  margin-bottom: 18px; padding: 10px 14px; font-size: 14px; color: #fecaca;
  background: rgba(179,38,30,.16); border: 1px solid rgba(179,38,30,.5); border-left-width: 3px; border-radius: 4px;
}

.lg-field { display: block; margin-bottom: 18px; }
.lg-field span { display: block; margin-bottom: 7px; font-size: 13px; letter-spacing: .25em; color: var(--gold); }
.lg-field input {
  width: 100%; padding: 12px 14px; font: 15px var(--sans); color: var(--paper);
  background: rgba(0,0,0,.35); border: 1px solid rgba(255,255,255,.1); border-radius: 4px;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.lg-field input::placeholder { color: #5f5a50; }
.lg-field input:hover { border-color: rgba(212,175,106,.3); }
.lg-field input:focus { outline: none; border-color: var(--gold); background: rgba(0,0,0,.5); box-shadow: 0 0 0 3px rgba(212,175,106,.14); }
.lg-field input:-webkit-autofill { -webkit-text-fill-color: var(--paper); -webkit-box-shadow: 0 0 0 100px #14130f inset; caret-color: var(--paper); }

.lg-btn {
  position: relative; width: 100%; margin-top: 8px; padding: 13px; overflow: hidden;
  font: 600 17px var(--kai); letter-spacing: .5em; text-indent: .5em; color: #1a1408;
  background: linear-gradient(180deg, var(--gold-hi), var(--gold) 55%, #b58d4a);
  border: 1px solid #e8cf92; border-radius: 4px; cursor: pointer;
  box-shadow: 0 8px 24px -8px rgba(212,175,106,.6), inset 0 1px 0 rgba(255,255,255,.5);
  transition: transform .2s, box-shadow .25s, filter .25s;
}
.lg-btn::after { /* 扫光 */
  content: ""; position: absolute; top: 0; bottom: 0; left: -60%; width: 40%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.55), transparent);
  transform: skewX(-20deg); transition: left .6s;
}
.lg-btn:hover { filter: brightness(1.06); box-shadow: 0 12px 32px -8px rgba(212,175,106,.75), inset 0 1px 0 rgba(255,255,255,.5); }
.lg-btn:hover::after { left: 120%; }
.lg-btn:active { transform: translateY(1px); }
.lg-btn:focus-visible { outline: 2px solid var(--gold-hi); outline-offset: 3px; }

.lg-tip { margin: 18px 0 0; text-align: center; font-size: 12px; letter-spacing: .1em; color: #6f6a5f; }

@media (max-width: 900px) {
  .lg-wrap { grid-template-columns: 1fr; align-content: start; gap: 48px; max-width: 560px; padding-top: 88px; }
  .lg-panel { order: -1; }          /* 手机上先显示登录框 */
  .lg-intro { text-align: center; }
  .lg-kicker, .lg-flow { justify-content: center; }
}
@media (max-width: 560px) {
  .lg-feats { grid-template-columns: 1fr; text-align: left; }
  .lg-panel { padding: 34px 22px 24px; }
  .lg-flow { display: grid; grid-template-columns: repeat(2, auto); justify-content: center; gap: 12px 28px; }
  .lg-flow li + li::before { display: none; }
}