/* 中国蓝AI · 设计令牌 */
:root {
  --radius: 14px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --wrap: 1200px;
}

html[data-theme="dark"] {
  --bg: #07090c;
  --bg-soft: #0b0e13;
  --panel: #11151b;
  --panel-2: #171c24;
  --line: rgba(255, 255, 255, .08);
  --line-2: rgba(255, 255, 255, .16);
  --text: #e9eef5;
  --text-2: #9aa5b4;
  --text-3: #6b7686;
  --brand: #3b82f6;
  --brand-2: #16309c;
  --brand-soft: rgba(59, 130, 246, .14);
  --grad-btn: linear-gradient(100deg, #16309c, #2b6cff 58%, #4f9bff);
  --grad-text: linear-gradient(100deg, #e3eeff, #4f9bff 46%, #1e40af);
  --ok: #34d399;
  --warn: #fbbf24;
  --bad: #f87171;
  --shadow: 0 18px 50px rgba(0, 0, 0, .45);
}

html[data-theme="light"] {
  --bg: #f5f7fa;
  --bg-soft: #ffffff;
  --panel: #ffffff;
  --panel-2: #f2f5f9;
  --line: rgba(15, 23, 42, .10);
  --line-2: rgba(15, 23, 42, .18);
  --text: #0d1522;
  --text-2: #566476;
  --text-3: #8593a4;
  --brand: #1d4ed8;
  --brand-2: #0b2a8a;
  --brand-soft: rgba(29, 78, 216, .10);
  --grad-btn: linear-gradient(100deg, #0b2a8a, #1d4ed8 60%, #2b6cff);
  --grad-text: linear-gradient(100deg, #0b2a8a, #1d4ed8 55%, #2b6cff);
  --ok: #0f9d6b;
  --warn: #b47500;
  --bad: #d13b3b;
  --shadow: 0 12px 32px rgba(15, 23, 42, .10);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
::selection { background: var(--brand-soft); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶栏 ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-in { display: flex; align-items: center; gap: 26px; height: 62px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: .5px; }
.logo-mark {
  width: 28px; height: 28px; border-radius: 9px; flex: none;
  background: radial-gradient(circle at 32% 30%, var(--brand), var(--brand-2));
  box-shadow: 0 0 0 1px var(--line-2) inset;
}
.nav { display: flex; gap: 4px; margin-left: 6px; }
.nav a {
  padding: 7px 12px; border-radius: 9px; color: var(--text-2);
  font-size: 14px; transition: .16s;
}
.nav a:hover { color: var(--text); background: var(--panel-2); }
.nav a.on { color: var(--text); background: var(--brand-soft); }
.header-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.credit-pill {
  display: flex; align-items: center; gap: 6px; padding: 6px 12px;
  border: 1px solid var(--line); border-radius: 999px; font-size: 13px;
  background: var(--panel);
}
.credit-pill b { color: var(--brand); font-weight: 600; }
.icon-btn {
  width: 34px; height: 34px; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 10px; background: var(--panel);
  cursor: pointer; transition: .16s;
}
.icon-btn:hover { border-color: var(--line-2); background: var(--panel-2); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 38px; padding: 0 18px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--line); background: var(--panel);
  font-weight: 500; transition: .16s; white-space: nowrap;
}
.btn:hover { border-color: var(--line-2); background: var(--panel-2); }
.btn-primary {
  border: none; color: #fff;
  background: var(--grad-btn);
  font-weight: 600;
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; filter: none; }
.btn-sm { height: 30px; padding: 0 12px; font-size: 13px; border-radius: 8px; }
.btn-ghost { background: transparent; }
.btn-block { width: 100%; }

/* ---------- 首页 ---------- */
.hero { padding: 76px 0 30px; text-align: center; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -30% 20% auto; height: 420px;
  background: radial-gradient(circle, var(--brand-soft), transparent 68%);
  pointer-events: none;
}
.badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 5px 13px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--panel);
  font-size: 12.5px; color: var(--text-2); position: relative;
}
.badge i { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); }
h1.hero-title {
  font-size: 52px; line-height: 1.16; margin: 22px 0 14px; letter-spacing: -1px;
  font-weight: 600; position: relative;
}
.grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { color: var(--text-2); font-size: 16px; max-width: 640px; margin: 0 auto; position: relative; }

.prompt-box {
  max-width: 760px; margin: 34px auto 0; background: var(--panel);
  border: 1px solid var(--line-2); border-radius: 18px; padding: 14px;
  box-shadow: var(--shadow); position: relative;
}
.prompt-box textarea {
  width: 100%; border: none; background: transparent; resize: none;
  min-height: 62px; outline: none; font-size: 15px; line-height: 1.6;
}
.prompt-foot { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line);
  font-size: 12.5px; color: var(--text-2); cursor: pointer; transition: .16s;
}
.chip:hover, .chip.on { color: var(--brand); border-color: var(--brand); background: var(--brand-soft); }

.stats { display: flex; justify-content: center; gap: 56px; margin: 46px 0 10px; flex-wrap: wrap; }
.stats div { text-align: center; }
.stats b { display: block; font-size: 26px; font-weight: 600; letter-spacing: -.5px; }
.stats span { color: var(--text-3); font-size: 12.5px; }

/* ---------- 通用区块 ---------- */
.section { padding: 52px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.section-head h2 { font-size: 26px; margin: 0; font-weight: 600; letter-spacing: -.4px; }
.section-head p { margin: 6px 0 0; color: var(--text-2); font-size: 13.5px; }

.grid { display: grid; gap: 14px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; transition: .18s;
}
.card:hover { border-color: var(--line-2); transform: translateY(-2px); }
.card h3 { margin: 0 0 6px; font-size: 15px; font-weight: 500; display: flex; align-items: center; gap: 8px; }
.card p { margin: 0; color: var(--text-2); font-size: 13px; }
.card-ico {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand); margin-bottom: 12px; font-size: 16px;
}
.modu { cursor: pointer; }
.modu .arrow { color: var(--text-3); font-size: 12px; }

/* ---------- 模型卡 ---------- */
.mcard { display: flex; flex-direction: column; gap: 10px; }
.mcard-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.mcard-name { font-weight: 500; font-size: 14.5px; }
.mcard-vendor { color: var(--text-3); font-size: 12px; margin-top: 2px; }
.tag {
  display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 11.5px;
  background: var(--panel-2); color: var(--text-2); border: 1px solid var(--line);
}
.tag.on { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, transparent); }
.tag.off { color: var(--text-3); }
.cost { color: var(--brand); font-weight: 600; font-size: 13px; }

/* ---------- 工作台 ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 22px; overflow-x: auto; }
.tabs button {
  background: none; border: none; padding: 10px 14px; cursor: pointer;
  color: var(--text-2); border-bottom: 2px solid transparent; margin-bottom: -1px;
  white-space: nowrap; font-size: 14px;
}
.tabs button.on { color: var(--text); border-bottom-color: var(--brand); }
.tabs button:hover { color: var(--text); }

.studio { display: grid; grid-template-columns: 340px 1fr; gap: 18px; align-items: start; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12.5px; color: var(--text-2); margin-bottom: 6px; }
.input, .select, .textarea {
  width: 100%; background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 10px; padding: 9px 11px; outline: none; transition: .16s;
}
html[data-theme="light"] .input, html[data-theme="light"] .select, html[data-theme="light"] .textarea { background: #fbfcfe; }
.input:focus, .select:focus, .textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.textarea { resize: vertical; min-height: 96px; line-height: 1.6; }
.row { display: flex; gap: 10px; }
.row > * { flex: 1; }
.hint { color: var(--text-3); font-size: 12px; margin-top: 6px; }

.empty {
  display: grid; place-items: center; min-height: 340px; text-align: center;
  color: var(--text-3); border: 1px dashed var(--line-2); border-radius: var(--radius);
}
.empty b { display: block; color: var(--text-2); font-weight: 500; margin-bottom: 4px; }

.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.shot { position: relative; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: var(--panel-2); }
.shot img { width: 100%; display: block; aspect-ratio: 1; object-fit: cover; }
.shot .cap { padding: 8px 10px; font-size: 12px; color: var(--text-2); border-top: 1px solid var(--line); }
.demo-flag {
  position: absolute; top: 8px; left: 8px; padding: 2px 8px; border-radius: 6px;
  background: rgba(0, 0, 0, .55); color: #fff; font-size: 11px; backdrop-filter: blur(4px);
}

.bar { height: 6px; border-radius: 999px; background: var(--panel-2); overflow: hidden; }
.bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--brand), var(--brand-2)); transition: width .4s; }
.progress-wrap { display: grid; gap: 10px; padding: 22px; }

.playposter { position: relative; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); }
.playposter img { width: 100%; display: block; aspect-ratio: 16/9; object-fit: cover; }
.playbtn {
  position: absolute; inset: 0; margin: auto; width: 56px; height: 56px; border-radius: 50%;
  background: rgba(255, 255, 255, .16); backdrop-filter: blur(6px); border: 1px solid rgba(255, 255, 255, .35);
  display: grid; place-items: center; color: #fff; font-size: 18px; cursor: pointer;
}

/* ---------- 对话 ---------- */
.chat-box { display: grid; grid-template-rows: 1fr auto; height: 560px; }
.chat-scroll { overflow-y: auto; padding: 4px 2px 14px; display: flex; flex-direction: column; gap: 14px; }
.msg { display: flex; gap: 10px; }
.msg .av {
  width: 28px; height: 28px; border-radius: 8px; flex: none; display: grid; place-items: center;
  font-size: 12px; background: var(--panel-2); border: 1px solid var(--line);
}
.msg.user .av { background: var(--brand-soft); color: var(--brand); border-color: transparent; }
.msg .bubble {
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px;
  padding: 10px 13px; white-space: pre-wrap; max-width: 84%; font-size: 13.5px;
}
.msg.user .bubble { background: var(--brand-soft); border-color: transparent; }
.msg.user { flex-direction: row-reverse; }
.chat-input { display: flex; gap: 10px; padding-top: 12px; border-top: 1px solid var(--line); }
.chat-input textarea { flex: 1; min-height: 44px; max-height: 120px; }

/* ---------- 表格 ---------- */
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th { text-align: left; color: var(--text-3); font-weight: 400; padding: 8px 10px; border-bottom: 1px solid var(--line); font-size: 12.5px; }
.tbl td { padding: 10px; border-bottom: 1px solid var(--line); }
.tbl tr:last-child td { border-bottom: none; }
.mono { font-family: var(--mono); font-size: 12.5px; }

/* ---------- 定价 ---------- */
.price-card { text-align: center; padding: 26px 20px; }
.price-card .amt { font-size: 34px; font-weight: 600; letter-spacing: -1px; margin: 8px 0; }
.price-card .amt small { font-size: 14px; color: var(--text-3); font-weight: 400; }
.price-card ul { list-style: none; padding: 0; margin: 16px 0 20px; text-align: left; display: grid; gap: 8px; font-size: 13px; color: var(--text-2); }
.price-card li::before { content: "·"; color: var(--brand); margin-right: 8px; font-weight: 700; }
.hot { border-color: var(--brand) !important; }

/* ---------- 表单页 ---------- */
.auth-wrap { max-width: 400px; margin: 70px auto 90px; }
.auth-wrap h2 { margin: 0 0 6px; font-size: 24px; font-weight: 600; }
.auth-wrap .sub { color: var(--text-2); margin: 0 0 24px; font-size: 13.5px; }

/* ---------- 其他 ---------- */
.footer { border-top: 1px solid var(--line); padding: 34px 0; margin-top: 40px; color: var(--text-3); font-size: 12.5px; }
.footer .cols { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 24px);
  background: var(--panel); border: 1px solid var(--line-2); color: var(--text);
  padding: 10px 18px; border-radius: 10px; box-shadow: var(--shadow);
  opacity: 0; pointer-events: none; transition: .22s; z-index: 999; font-size: 13px;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.err { border-color: color-mix(in srgb, var(--bad) 55%, transparent); color: var(--bad); }
.modal-mask {
  position: fixed; inset: 0; background: rgba(0, 0, 0, .55); backdrop-filter: blur(3px);
  display: grid; place-items: center; z-index: 900; padding: 20px;
}
.modal {
  background: var(--panel); border: 1px solid var(--line-2); border-radius: 16px;
  padding: 24px; width: min(440px, 100%); box-shadow: var(--shadow);
}
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

@media (max-width: 900px) {
  .studio { grid-template-columns: 1fr; }
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .g3 { grid-template-columns: 1fr; }
  h1.hero-title { font-size: 34px; }
  .nav { display: none; }
  .stats { gap: 28px; }
  .shots { grid-template-columns: repeat(2, 1fr); }
}

/* ================= 首页 Landing（对齐目标站视觉） ================= */
.lp { background:#020308; color:#fff; }
.lp-sec { position:relative; min-height:100vh; overflow:hidden; display:flex; align-items:center; }
.lp-cv { position:absolute; inset:0; width:100%; height:100%; pointer-events:none; }
.lp-sec-in { position:relative; z-index:2; width:100%; max-width:1200px; margin:0 auto; padding:80px 32px; text-align:center; }

/* hero */
.lp-hero-in { display:grid; grid-template-columns: 1.1fr 1fr; align-items:center; gap:20px; min-height:100vh; padding-top:120px; text-align:left; }
.lp-kicker { display:flex; align-items:center; gap:8px; font-size:13px; letter-spacing:.14em; color:rgba(210,225,255,.75); margin-bottom:22px; }
.lp-kicker i { width:7px; height:7px; border-radius:50%; background:#5ea8ff; box-shadow:0 0 10px #5ea8ff; }
.lp-h1 { font-size: clamp(44px, 6vw, 84px); line-height:1.12; font-weight:800; margin:0 0 20px; color:#fff; letter-spacing:.01em; }
.lp-grad { background:linear-gradient(95deg,#7fb2ff 0%,#9f97ff 55%,#c39bff 100%); -webkit-background-clip:text; background-clip:text; color:transparent; }
.lp-sub { font-size:16.5px; line-height:1.9; color:rgba(220,230,245,.66); max-width:560px; margin:0 0 34px; }
.lp-cta { display:flex; gap:14px; align-items:center; flex-wrap:wrap; }
.btn-hero { display:inline-flex; align-items:center; gap:8px; height:48px; padding:0 28px; border-radius:999px; background:linear-gradient(100deg,#2f6bff,#7f5cff); color:#fff; font-weight:600; font-size:15px; box-shadow:0 8px 30px rgba(70,110,255,.35); transition:.2s; }
.btn-hero:hover { filter:brightness(1.12); transform:translateY(-1px); }
.btn-hero i { font-style:normal; }
.btn-hero.sm { height:42px; padding:0 22px; font-size:14px; }
.btn-ghost { display:inline-flex; align-items:center; height:48px; padding:0 26px; border-radius:999px; border:1px solid rgba(140,170,230,.35); color:#dfe9ff; font-size:15px; transition:.2s; }
.btn-ghost:hover { border-color:rgba(160,190,255,.7); background:rgba(120,150,255,.08); }
.lp-note { margin-top:26px; font-size:13.5px; color:rgba(190,205,235,.6); }
.lp-down { position:absolute; left:32px; bottom:26px; z-index:2; font-size:13px; color:rgba(200,215,240,.55); cursor:pointer; display:flex; gap:6px; align-items:center; }
.lp-down i { font-style:normal; animation:bob 1.8s infinite; }
@keyframes bob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(5px)} }

/* 漂浮模型胶囊 */
.lp-pills { position:relative; height:520px; }
.fpill { position:absolute; display:inline-flex; align-items:center; gap:8px; padding:10px 18px; border-radius:14px; background:rgba(16,20,34,.82); border:1px solid rgba(120,150,210,.22); color:#e8eefc; font-size:13.5px; white-space:nowrap; box-shadow:0 10px 34px rgba(0,0,0,.5); animation:floaty 5.2s ease-in-out infinite; backdrop-filter:blur(6px); }
.fpill i { font-style:normal; font-size:15px; }
@keyframes floaty { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-9px)} }

/* 通用节头 */
.lp-eyebrow { font-size:12.5px; letter-spacing:.22em; color:#8fd0ff; margin-bottom:18px; }
.lp-h2 { font-size:clamp(30px,4vw,52px); font-weight:800; color:#fff; margin:0 0 16px; letter-spacing:.01em; }
.lp-sec .lp-sub { margin:0 auto 36px; }
.lp-media .lp-sub, .lp-hero .lp-sub { margin-left:0; }
.lp-center { margin-top:36px; }

/* 跑马灯 */
.mq { position:relative; z-index:2; width:100vw; max-width:1100px; margin:0 auto 40px; display:flex; flex-direction:column; gap:16px; mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent); }
.mq-row { display:flex; gap:16px; width:max-content; animation:mq 36s linear infinite; }
.mq-row.mq-rev { animation-direction:reverse; animation-duration:44s; }
.mq:hover .mq-row { animation-play-state:paused; }
.mp { display:inline-flex; align-items:center; gap:9px; padding:13px 22px; border-radius:13px; background:rgba(14,18,30,.85); border:1px solid rgba(120,150,210,.2); color:#e9eefc; font-size:14.5px; white-space:nowrap; }
.mp i { font-style:normal; }
@keyframes mq { from{transform:translateX(0)} to{transform:translateX(-50%)} }

/* 发光输入框 */
.lp-input { position:relative; z-index:2; display:flex; align-items:center; gap:14px; max-width:760px; margin:0 auto 26px; padding:10px 12px 10px 26px; border-radius:999px; background:rgba(10,14,24,.72); border:2px solid transparent; background-clip:padding-box; box-shadow:0 0 0 1.5px rgba(150,200,255,.55), 0 0 44px rgba(120,180,255,.35), inset 0 0 30px rgba(90,140,255,.12); }
.lp-input-ico { color:#9fc6ff; font-size:17px; }
.lp-input input { flex:1; background:none; border:none; outline:none; color:#eef4ff; font-size:16px; height:44px; }
.lp-input input::placeholder { color:rgba(190,210,240,.45); }
.lp-input-go { width:46px; height:46px; border-radius:50%; border:none; cursor:pointer; background:linear-gradient(120deg,#2f6bff,#7f5cff); color:#fff; font-size:18px; transition:.2s; }
.lp-input-go:hover { filter:brightness(1.15); }
.lp-chips { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }
.lp-chips a { padding:11px 24px; border-radius:999px; border:1px solid rgba(130,160,220,.3); color:#dfe9ff; font-size:14.5px; transition:.2s; background:rgba(14,18,30,.5); }
.lp-chips a:hover { border-color:#8fb6ff; color:#fff; background:rgba(80,120,255,.14); }
.lp-chips.left { justify-content:flex-start; }

/* 画面节 */
.lp-media-in { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; text-align:left; }
.lp-media .lp-eyebrow { margin-left:2px; }
.lp-media-shots { position:relative; height:430px; }
.lp-media-shots img { position:absolute; border-radius:18px; border:1px solid rgba(130,160,220,.25); box-shadow:0 24px 70px rgba(0,0,0,.55); object-fit:cover; }
.shot-a { position:absolute; left:0; top:8%; width:56%; aspect-ratio:1; }
.shot-a img { width:100%; height:100%; }
.shot-b { position:absolute; right:0; bottom:0; width:64%; aspect-ratio:16/10; }
.shot-b img { width:100%; height:100%; }

/* 灵感瀑布流 */
.lp-masonry { columns:4 240px; column-gap:16px; max-width:1200px; margin:0 auto; text-align:left; }
.gitem { position:relative; break-inside:avoid; margin:0 0 16px; border-radius:14px; overflow:hidden; background:#0b0f1a; border:1px solid rgba(120,150,210,.18); }
.gitem img { width:100%; display:block; transition:.35s; }
.gitem:hover img { transform:scale(1.045); }
.gitem figcaption { position:absolute; left:0; right:0; bottom:0; padding:26px 12px 10px; font-size:12.5px; color:#dfe8fa; background:linear-gradient(transparent, rgba(2,4,10,.9)); }
.gtag { position:absolute; top:10px; left:10px; font-size:11px; padding:3px 10px; border-radius:999px; background:rgba(40,120,255,.25); border:1px solid rgba(120,180,255,.4); color:#cfe4ff; backdrop-filter:blur(4px); }
.lp-gloading { color:rgba(200,215,240,.5); padding:60px 0; text-align:center; grid-column:1/-1; }

/* 右侧分节圆点 */
.lp-dots { position:fixed; right:26px; top:50%; transform:translateY(-50%); z-index:60; display:flex; flex-direction:column; gap:14px; }
.lp-dots .dot { position:relative; width:22px; height:22px; display:flex; align-items:center; justify-content:center; cursor:pointer; }
.lp-dots .dot i { width:6px; height:6px; border-radius:50%; background:rgba(200,215,240,.4); transition:.25s; }
.lp-dots .dot.on i { background:#7fb2ff; box-shadow:0 0 10px #7fb2ff; transform:scale(1.35); }
.dot-label { position:absolute; right:26px; top:50%; transform:translateY(-50%); font-size:12px; color:#bcd2f5; white-space:nowrap; opacity:0; transition:.2s; pointer-events:none; }
.lp-dots .dot:hover .dot-label, .lp-dots .dot.on .dot-label { opacity:1; }

/* 滚动浮现 */
.rv { opacity:0; transform:translateY(26px); transition:opacity .7s ease, transform .7s ease; }
.rv.in { opacity:1; transform:none; }

/* 头部在 landing 上透明 */
.header.over-lp { background:transparent; border-bottom-color:transparent; }
.header.over-lp.solid { background:rgba(3,5,10,.82); backdrop-filter:blur(14px); border-bottom:1px solid rgba(120,150,210,.12); }

/* 登录链接 / 语言胶囊 / 白色开始按钮 */
.login-link { color:rgba(225,235,250,.85); font-size:14.5px; }
.login-link:hover { color:#fff; }
.btn-pill { display:inline-flex; align-items:center; gap:8px; height:42px; padding:0 22px; border-radius:999px; background:#fff; color:#0a0f1c; font-weight:600; font-size:14.5px; transition:.2s; }
.btn-pill:hover { transform:translateY(-1px); box-shadow:0 8px 24px rgba(255,255,255,.18); }
.btn-pill i { font-style:normal; }
.lang-pill { position:relative; display:inline-flex; align-items:center; gap:7px; height:42px; padding:0 16px; border-radius:999px; background:rgba(20,26,42,.7); border:1px solid rgba(120,150,210,.25); color:#e6edfb; font-size:13.5px; cursor:pointer; }
.lang-flag { font-size:14px; }
.lang-menu { display:none; position:absolute; top:48px; right:0; min-width:150px; padding:8px; border-radius:14px; background:#0d1120; border:1px solid rgba(120,150,210,.25); box-shadow:0 20px 50px rgba(0,0,0,.5); }
.lang-pill:hover .lang-menu { display:block; }
.lang-item { padding:8px 12px; border-radius:9px; font-size:13px; color:#cdd9ee; }
.lang-item:hover { background:rgba(90,130,255,.14); color:#fff; }
.lang-item.on { color:#8fb6ff; }

/* 页脚（对齐参考站） */
.foot-cols { display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; padding:64px 0 40px; }
.foot-brand .muted { color:rgba(190,205,230,.55); font-size:13.5px; }
.foot-col { display:flex; flex-direction:column; gap:12px; }
.foot-h { color:rgba(220,230,250,.9); font-weight:600; margin-bottom:4px; font-size:14px; }
.foot-col a { color:rgba(175,192,220,.6); font-size:13.5px; transition:.2s; }
.foot-col a:hover { color:#fff; }
.foot-bottom { display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap; padding:20px 0 28px; border-top:1px solid rgba(120,150,210,.12); color:rgba(160,178,205,.5); font-size:12.5px; }
.pay-icons { display:flex; gap:8px; }
.pay { display:inline-flex; align-items:center; justify-content:center; width:44px; height:26px; border-radius:5px; font-size:10.5px; font-weight:700; color:#fff; background:#1b2338; }
.pay-mc { color:#ffb84d; letter-spacing:-2px; }
.pay-alipay { background:#1677ff; }
.pay-wx { background:#09b83e; }

/* 客服悬浮球 */
.serv-fab { position:fixed; right:22px; bottom:22px; z-index:70; width:52px; height:52px; border-radius:50%; border:1px solid rgba(120,150,210,.3); background:rgba(14,18,32,.85); color:#cfe0ff; font-size:20px; cursor:pointer; backdrop-filter:blur(8px); box-shadow:0 12px 34px rgba(0,0,0,.5); transition:.2s; }
.serv-fab:hover { transform:translateY(-2px); border-color:#8fb6ff; }

@media (max-width: 960px) {
  .lp-hero-in { grid-template-columns:1fr; padding-top:110px; }
  .lp-pills { display:none; }
  .lp-media-in { grid-template-columns:1fr; }
  .lp-media-shots { display:none; }
  .lp-dots { display:none; }
  .foot-cols { grid-template-columns:1fr 1fr; }
  .nav { display:none; }
}
html[data-theme="light"] .header.over-lp.solid { background:rgba(255,255,255,.85); }