/* ============================================================
   中数慧智 / ZH Digital Intelligence
   Design system: "Deep-Space Infrastructure"
   Reference direction: dark precision (Linear/Vercel), gradient
   mesh (Stripe), cinematic scale (Apple/Tesla), glow energy
   (NVIDIA), acrylic layering (Fluent), grid discipline (Carbon).
   ============================================================ */

:root {
  /* Canvas */
  --bg: #05070d;
  --bg-2: #080b14;
  --bg-3: #0b0f1a;

  /* Text */
  --text: #e9edf5;
  --text-2: #a8b2c4;
  --muted: #7c8798;

  /* Surfaces & lines */
  --surface: rgba(255, 255, 255, 0.028);
  --surface-2: rgba(255, 255, 255, 0.05);
  --line: rgba(255, 255, 255, 0.09);
  --line-2: rgba(255, 255, 255, 0.16);

  /* Accents */
  --accent: #4c8dff;
  --accent-2: #22d3ee;
  --accent-3: #a78bfa;
  --warm: #ffb454;
  --grad: linear-gradient(115deg, #4c8dff 0%, #22d3ee 52%, #a78bfa 100%);

  --radius-s: 10px;
  --radius-m: 13px;
  --radius: 16px;
  --radius-l: 24px;

  --mono: "JetBrains Mono", ui-monospace, "SF Mono", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  --sans: "Sora", "Segoe UI Variable Display", "Segoe UI", -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;

  --maxw: 1240px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before { /* ambient aurora — gradients are already soft, no blur filter (keeps compositing cheap) */
  content: ""; position: fixed; inset: -20% -10% auto -10%; height: 120vh; z-index: 0; pointer-events: none;
  background:
    radial-gradient(48% 38% at 18% 8%, rgba(76, 141, 255, 0.26), transparent 62%),
    radial-gradient(42% 34% at 82% 2%, rgba(167, 139, 250, 0.2), transparent 60%),
    radial-gradient(40% 30% at 60% 26%, rgba(34, 211, 238, 0.14), transparent 62%);
  will-change: transform;
  animation: aurora 26s var(--ease) infinite alternate;
}
body::after { /* grain */
  content: ""; position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0.28;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.42'/%3E%3C/svg%3E");
}
@keyframes aurora {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(-3%, 2%, 0) scale(1.08); }
}
main, header, footer { position: relative; z-index: 2; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: rgba(76, 141, 255, 0.35); }

.wrap { width: min(var(--maxw), 92vw); margin: 0 auto; }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ===================== Header ===================== */
.site-header {
  position: sticky; top: 0; z-index: 120;
  background: rgba(5, 7, 13, 0.9);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.site-header.scrolled { border-bottom-color: var(--line); background: rgba(5, 7, 13, 0.97); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; min-height: 74px; gap: 18px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand .brand-logo { display: block; height: 57px; width: auto; flex: none; }
.brand .brand-div { width: 1px; height: 28px; background: var(--line-2); flex: none; }
/* 页头文字块：第一行「中数慧智官网」标签，第二行平台名（青），第三行公司主体（灰） */
.brand .brand-txt { display: flex; flex-direction: column; justify-content: center; line-height: 1.1; }
.brand .brand-txt .site {
  font-size: 9.5px; font-weight: 600; letter-spacing: 0.32em;
  color: rgba(255, 255, 255, 0.72); white-space: nowrap; margin-bottom: 4px;
}
.brand .brand-txt .plat { font-size: 16px; font-weight: 700; letter-spacing: 0.04em; white-space: nowrap; }
.brand .brand-txt .co {
  font-size: 10px; font-weight: 400; letter-spacing: 0.05em;
  color: var(--muted); white-space: nowrap; margin-top: 6px;
}
@media (max-width: 1100px) {
  .brand .brand-txt .co { display: none; }
}
@media (max-width: 560px) {
  .brand .brand-logo { height: 46px; }
  .brand .brand-div { display: none; }
}
.site-footer .foot-mark { width: 40px; height: 40px; object-fit: contain; flex: none;
  filter: none; }
@media (max-width: 560px) { .brand .mark { width: 34px; height: 34px; } }
.brand .mark {
  width: 40px; height: 40px; flex: none; object-fit: contain;
}
.foot-brand { display: flex; align-items: center; gap: 12px; }
.site-footer .foot-mark { width: 44px; height: 44px; object-fit: contain; flex: none; }
.brand .names, .foot-brand .names { display: flex; flex-direction: column; line-height: 1.25; }
.brand .zh, .foot-brand .zh { font-size: 16px; font-weight: 700; letter-spacing: 0.06em; }
.brand .en, .foot-brand .en { font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em; color: var(--muted); text-transform: uppercase; }
/* 平台名（第二行）：青色细体，与图样青点呼应 */
.brand .plat, .foot-brand .plat {
  font-size: 11.5px; font-weight: 600; letter-spacing: 0.14em;
  color: var(--accent-2); margin-top: 1px; white-space: nowrap;
}

.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a {
  position: relative; padding: 9px 15px; border-radius: 999px; white-space: nowrap;
  font-size: 14.5px; color: var(--text-2); transition: color 0.2s, background 0.2s;
}
/* 导航项增至 8 项后，中等宽度收紧间距，避免换行 */
@media (max-width: 1240px) {
  .nav-links { gap: 0; }
  .nav-links a { padding: 8px 10px; font-size: 13.8px; }
}
.nav-links a:hover { color: var(--text); background: var(--surface-2); }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 50%; bottom: 2px; transform: translateX(-50%);
  width: 16px; height: 2px; border-radius: 2px; background: var(--grad);
}
.nav-right { display: flex; align-items: center; gap: 10px; }

.lang-switch {
  display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
}
.lang-switch button {
  background: none; border: none; color: var(--muted); cursor: pointer;
  padding: 6px 11px; font: inherit; transition: all 0.2s;
}
.lang-switch button.on { background: var(--surface-2); color: var(--text); }
.lang-switch button:hover { color: var(--text); }

/* ===================== Buttons ===================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; cursor: pointer; font-family: inherit; font-size: 15px; font-weight: 500;
  padding: 12px 24px; border-radius: 999px;
  transition: transform 0.2s var(--ease), box-shadow 0.25s, background 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad); color: #05070d; font-weight: 600;
  box-shadow: 0 8px 28px rgba(76, 141, 255, 0.34);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 38px rgba(76, 141, 255, 0.46); }
.btn-ghost { background: var(--surface); border: 1px solid var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--line-2); background: var(--surface-2); transform: translateY(-2px); }
.btn-sm { padding: 8px 18px; font-size: 13.5px; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

/* ===================== Hero ===================== */
.hero { position: relative; padding: 108px 0 84px; overflow: hidden; }
.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(115% 85% at 50% 0%, #000 25%, transparent 72%);
  -webkit-mask-image: radial-gradient(115% 85% at 50% 0%, #000 25%, transparent 72%);
}
.hero-inner { position: relative; max-width: 980px; }
.badge {
  display: inline-flex; align-items: center; gap: 9px; padding: 7px 15px 7px 11px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--surface);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-2);
}
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 12px var(--accent-2); animation: pulse 2.4s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
/* 通道未正式开放：琥珀静态点，取消呼吸动画（不再暗示"正在开放中"） */
.badge.pending .dot { background: var(--warm); box-shadow: 0 0 12px rgba(255, 180, 84, 0.5); animation: none; }

/* ---------- onboarding notice ---------- */
.notice {
  display: flex; gap: 14px; align-items: flex-start; padding: 16px 20px;
  border-radius: 14px; border: 1px solid rgba(255, 180, 84, 0.3);
  background: rgba(255, 180, 84, 0.06);
}
.notice-ico { flex: 0 0 22px; width: 22px; height: 22px; color: var(--warm); }
.notice-ico svg { width: 100%; height: 100%; display: block; }
.notice p { margin: 0; font-size: 14px; line-height: 1.72; color: var(--text-2); }
.onb-off { display: none !important; }

.hero h1 {
  margin: 26px 0 0; font-size: clamp(38px, 7.2vw, 76px); line-height: 1.05;
  font-weight: 700; letter-spacing: -0.02em;
}
.hero .sub { margin-top: 26px; font-size: clamp(16px, 1.6vw, 19px); color: var(--text-2); max-width: 720px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }

.hero-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 76px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.metric { background: rgba(8, 11, 20, 0.72); padding: 24px 22px; }
.metric .v { font-size: 26px; font-weight: 700; letter-spacing: -0.01em; }
.metric .k { margin-top: 4px; color: var(--muted); font-size: 13px; }

/* ===================== Sections ===================== */
.section { padding: 96px 0; }
.section-tight { padding: 64px 0; }
.sec-head { max-width: 760px; margin-bottom: 52px; }
.sec-head .label { display: flex; align-items: center; gap: 10px; color: var(--accent-2); }
.sec-head .label::before { content: ""; width: 22px; height: 1px; background: var(--accent-2); display: block; }
.sec-head h2 { margin-top: 16px; font-size: clamp(28px, 3.6vw, 44px); line-height: 1.14; letter-spacing: -0.015em; font-weight: 700; }
.sec-head p { margin-top: 16px; color: var(--text-2); font-size: 16.5px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head.center .label { justify-content: center; }

/* ===================== Cards & Bento ===================== */
.grid { display: grid; gap: 18px; }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.bento .span-3 { grid-column: span 3; }
.bento .span-2 { grid-column: span 2; }

.card {
  position: relative; padding: 28px 26px; border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015));
  border: 1px solid var(--line); overflow: hidden;
  transition: transform 0.3s var(--ease), border-color 0.3s, background 0.3s;
}
.card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(420px 180px at var(--mx, 50%) var(--my, 0%), rgba(76, 141, 255, 0.16), transparent 70%);
  opacity: 0; transition: opacity 0.35s;
}
.card:hover { transform: translateY(-4px); border-color: var(--line-2); }
.card:hover::after { opacity: 1; }
.card .idx { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; color: var(--muted); }
.card .ico {
  width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center;
  color: #7fb3ff; position: relative; margin-bottom: 16px;
  background: linear-gradient(155deg, rgba(76, 141, 255, 0.16), rgba(34, 211, 238, 0.05) 58%, rgba(167, 139, 250, 0.09));
  border: 1px solid rgba(124, 165, 255, 0.22);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.09), 0 10px 28px rgba(4, 8, 18, 0.55);
}
.card .ico::before {
  content: ""; position: absolute; inset: 1px; border-radius: 13px; pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), transparent 45%);
}
.card h3 { font-size: 19px; letter-spacing: -0.005em; margin-bottom: 10px; }
.card h3 .en-sub { display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; color: var(--muted); text-transform: uppercase; margin-top: 7px; }
.card p { color: var(--text-2); font-size: 15px; }
.card ul { margin-top: 14px; padding: 0; list-style: none; }
.card ul li { position: relative; padding-left: 17px; color: var(--text-2); font-size: 14.3px; margin-bottom: 6px; }
.card ul li::before { content: ""; position: absolute; left: 0; top: 9px; width: 5px; height: 5px; border-radius: 50%; background: var(--accent-2); }

.price-row { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 7px; }
.price-line { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; font-size: 14.5px; }
.price-line .p { font-weight: 600; }
.price-line .p small { color: var(--muted); font-weight: 400; font-size: 12.5px; }
.price-line .usd { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.tag-pill {
  display: inline-block; margin-top: 14px; padding: 3px 11px; border-radius: 999px;
  border: 1px solid rgba(34, 211, 238, 0.35); color: var(--accent-2);
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase;
}

/* ===================== Timeline / Steps ===================== */
.timeline { position: relative; padding-left: 26px; }
.timeline::before { content: ""; position: absolute; left: 5px; top: 6px; bottom: 6px; width: 1px; background: linear-gradient(180deg, var(--accent), rgba(167, 139, 250, 0.2)); }
.tl-item { position: relative; padding: 0 0 30px 12px; }
.tl-item::before { content: ""; position: absolute; left: -26px; top: 8px; width: 11px; height: 11px; border-radius: 50%; background: var(--bg); border: 2px solid var(--accent); box-shadow: 0 0 14px rgba(76, 141, 255, 0.6); }
.tl-item .when { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; color: var(--accent-2); text-transform: uppercase; }
.tl-item h4 { margin: 7px 0 5px; font-size: 16.5px; }
.tl-item p { color: var(--text-2); font-size: 14.6px; }

.steps { counter-reset: s; }
.step { display: flex; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.step:last-child { border-bottom: none; }
.step .n { counter-increment: s; flex: none; width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; font-family: var(--mono); font-size: 13px; color: var(--accent-2); border: 1px solid var(--line); background: var(--surface); }
.step .n::before { content: "0" counter(s); }
.step h4 { font-size: 16px; margin-bottom: 4px; }
.step p { color: var(--text-2); font-size: 14.6px; }

/* ===================== Tech strip ===================== */
.strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(8, 11, 20, 0.6); overflow: hidden; }
.strip-inner { display: flex; gap: 54px; padding: 20px 0; width: max-content; animation: slide 34s linear infinite; }
.strip-inner span { font-family: var(--mono); font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
@keyframes slide { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ===================== Contact ===================== */
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 26px; align-items: start; }
.info-row { display: flex; gap: 14px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.info-row:last-child { border-bottom: none; }
.info-row .ico { font-size: 17px; }
.info-row h4 { font-size: 14.5px; margin-bottom: 3px; }
.info-row p { color: var(--text-2); font-size: 14px; word-break: break-word; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.field input, .field select, .field textarea {
  background: rgba(255, 255, 255, 0.03); border: 1px solid var(--line); border-radius: var(--radius-s);
  color: var(--text); font-family: inherit; font-size: 15px; padding: 12px 14px; transition: border-color 0.2s, box-shadow 0.2s;
}
.field select option { background: #0b0f1a; color: var(--text); }
.field input::placeholder, .field textarea::placeholder { color: #5c6675; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: rgba(76, 141, 255, 0.65); box-shadow: 0 0 0 3px rgba(76, 141, 255, 0.16);
}
.field textarea { min-height: 118px; resize: vertical; }
.field input[type=file] { padding: 9px 12px; font-size: 13.5px; color: var(--text-2); }
.hint { font-size: 12.5px; color: var(--muted); }
.form-msg { display: none; margin-top: 14px; padding: 11px 15px; border-radius: var(--radius-s); font-size: 14px; }
.form-msg.ok { display: block; background: rgba(34, 211, 153, 0.1); border: 1px solid rgba(34, 211, 153, 0.35); color: #6ee7b7; }
.form-msg.err { display: block; background: rgba(248, 113, 113, 0.1); border: 1px solid rgba(248, 113, 113, 0.35); color: #fca5a5; }

.inq-item { border: 1px solid var(--line); border-radius: var(--radius-s); padding: 15px 17px; margin-bottom: 11px; background: var(--surface); }
.inq-item .top { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.inq-item .prod { font-size: 14.5px; font-weight: 600; }
.inq-item .badge { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; padding: 3px 9px; border-radius: 999px; border: 1px solid rgba(255, 180, 84, 0.4); color: var(--warm); text-transform: uppercase; }
.inq-item .msg { margin-top: 7px; color: var(--text-2); font-size: 14px; }
.inq-item .time { margin-top: 7px; font-family: var(--mono); font-size: 11px; color: var(--muted); }

/* ===================== Footer ===================== */
.site-footer { border-top: 1px solid var(--line); background: rgba(5, 7, 13, 0.7); padding-top: 60px; margin-top: 40px; }
.foot-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr; gap: 42px; padding-bottom: 44px; }
.foot-grid h4 { font-size: 14px; margin-bottom: 15px; }
.foot-grid a { display: block; padding: 5px 0; color: var(--text-2); font-size: 14px; transition: color 0.2s; }
.foot-grid a:hover { color: var(--text); }
.foot-grid p { color: var(--text-2); font-size: 14px; }
.foot-bottom { border-top: 1px solid var(--line); padding: 20px 0; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; color: var(--muted); }

/* ===================== Modal ===================== */
.modal-mask {
  position: fixed; inset: 0; z-index: 300; background: rgba(3, 5, 10, 0.86);
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.modal-mask.open { display: flex; animation: fade 0.2s var(--ease); }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.modal {
  width: 440px; max-width: 100%; max-height: 92vh; overflow: auto; position: relative;
  background: linear-gradient(180deg, #0d1220, #080b14);
  border: 1px solid var(--line-2); border-radius: var(--radius-l); padding: 34px 32px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.6);
}
.modal .x { position: absolute; top: 15px; right: 17px; background: none; border: none; color: var(--muted); font-size: 19px; cursor: pointer; }
.modal .x:hover { color: var(--text); }
.modal h3 { font-size: 21px; letter-spacing: -0.01em; }
.modal .sub { margin-top: 7px; margin-bottom: 22px; color: var(--muted); font-size: 13.5px; }
.tabs { display: flex; gap: 4px; padding: 4px; background: rgba(255, 255, 255, 0.04); border: 1px solid var(--line); border-radius: 999px; margin-bottom: 20px; }
.tabs button { flex: 1; border: none; background: none; color: var(--muted); font: inherit; font-size: 13.5px; padding: 8px 0; border-radius: 999px; cursor: pointer; transition: all 0.2s; }
.tabs button.on { background: var(--surface-2); color: var(--text); box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3); }
.otp-row { display: flex; gap: 10px; }
.otp-row input { flex: 1; }
.link-btn { background: none; border: none; color: var(--accent-2); font: inherit; font-size: 13px; cursor: pointer; white-space: nowrap; }
.modal .foot { display: flex; justify-content: space-between; margin-top: 16px; font-size: 13px; }
.modal .foot a { color: var(--accent-2); cursor: pointer; }

/* ===================== AI Assistant ===================== */
.ai-fab {
  position: fixed; right: 26px; bottom: 26px; z-index: 210; width: 58px; height: 58px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.16); cursor: pointer; font-size: 24px;
  background: var(--grad); color: #05070d; box-shadow: 0 14px 40px rgba(76, 141, 255, 0.45);
  transition: transform 0.25s var(--ease);
}
.ai-fab:hover { transform: scale(1.07) translateY(-2px); }
.ai-panel {
  position: fixed; right: 26px; bottom: 96px; z-index: 210; display: none; flex-direction: column;
  width: 390px; max-width: calc(100vw - 36px); height: 540px; max-height: 74vh; overflow: hidden;
  background: linear-gradient(180deg, #0d1220, #070a12); border: 1px solid var(--line-2);
  border-radius: var(--radius-l); box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}
.ai-panel.open { display: flex; animation: fade 0.22s var(--ease); }
.ai-head { display: flex; justify-content: space-between; align-items: center; padding: 15px 18px; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, 0.03); }
.ai-head .t { font-size: 14.5px; font-weight: 600; }
.ai-head .s { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; color: var(--muted); text-transform: uppercase; margin-top: 2px; }
.ai-head button { background: none; border: none; color: var(--muted); font-size: 17px; cursor: pointer; }
.ai-head button:hover { color: var(--text); }
.ai-body { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; }
.ai-msg { display: flex; margin-bottom: 12px; }
.ai-msg.user { justify-content: flex-end; }
.ai-msg .b {
  max-width: 84%; padding: 11px 15px; border-radius: 15px; font-size: 14.2px; line-height: 1.68;
  white-space: pre-wrap; word-break: break-word;
}
.ai-msg.bot .b { background: rgba(255, 255, 255, 0.05); border: 1px solid var(--line); border-bottom-left-radius: 5px; }
.ai-msg.user .b { background: var(--grad); color: #05070d; border-bottom-right-radius: 5px; font-weight: 500; }
.ai-input { display: flex; gap: 9px; padding: 12px; border-top: 1px solid var(--line); background: rgba(255, 255, 255, 0.02); }
.ai-input textarea {
  flex: 1; height: 46px; resize: none; padding: 12px 13px; border-radius: var(--radius-s);
  background: rgba(255, 255, 255, 0.04); border: 1px solid var(--line); color: var(--text); font: inherit; font-size: 14px;
}
.ai-input textarea:focus { outline: none; border-color: rgba(76, 141, 255, 0.6); }
.ai-input .send { flex: none; width: 46px; border: none; border-radius: var(--radius-s); background: var(--grad); color: #05070d; font-size: 16px; cursor: pointer; }
.ai-input .send:disabled { opacity: 0.5; }

/* ===================== Reveal animation ===================== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ===================== Responsive ===================== */
@media (max-width: 1024px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .bento .span-3, .bento .span-2 { grid-column: span 1; }
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .hero-metrics { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav-links { display: none; }
  .g-3, .g-2 { grid-template-columns: 1fr; }
  .section { padding: 68px 0; }
  .hero { padding: 76px 0 60px; }
  .foot-grid { grid-template-columns: 1fr; gap: 30px; }
  .ai-panel { right: 18px; left: 18px; width: auto; }
  .ai-fab { right: 18px; bottom: 18px; }
}
@media (max-width: 560px) {
  .g-4, .hero-metrics { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .brand .en, .brand .plat, .brand .co { display: none; }
  .brand .brand-txt .site {
    margin-bottom: 0; font-size: 8.5px; letter-spacing: 0.12em;
  }
  .cart-link > span[data-i18n="nav.cart"] { display: none; }
}

/* ===================== AI 超市 / AI Mart ===================== */
.shelf-block { margin-bottom: 56px; }
.shelf-block:last-child { margin-bottom: 0; }
.shelf-head {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 18px 20px; margin-bottom: 22px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(90deg, var(--surface-2), transparent 70%);
}
.shelf-ico {
  width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center; color: #7fb3ff;
  background: linear-gradient(155deg, rgba(76, 141, 255, 0.18), rgba(34, 211, 238, 0.06) 58%, rgba(167, 139, 250, 0.1));
  border: 1px solid rgba(124, 165, 255, 0.24);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.09), 0 12px 30px rgba(4, 8, 18, 0.55);
}
.shelf-ico .icn { width: 26px; height: 26px; }
.shelf-head h3 { font-size: 20px; letter-spacing: -0.005em; }
.shelf-head h3 .en-sub { display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; color: var(--muted); text-transform: uppercase; margin-top: 6px; }
.shelf-head p { color: var(--text-2); font-size: 14px; margin-top: 8px; }
.shelf-count {
  margin-left: auto; align-self: center; flex-shrink: 0;
  font-size: 11px; letter-spacing: 0.14em; color: var(--accent-2);
  border: 1px solid rgba(34, 211, 238, 0.35); border-radius: 999px; padding: 4px 12px;
}
.sku-card { position: relative; display: flex; flex-direction: column; }
.sku-card .price-row { margin-top: auto; }
.sku-card .sku-buy { margin-top: 14px; align-self: flex-start; }
.sku-badge {
  position: absolute; top: 14px; right: 14px;
  font-size: 11px; letter-spacing: 0.08em; padding: 3px 10px; border-radius: 999px;
  color: var(--warm); border: 1px solid rgba(255, 180, 84, 0.45);
  background: rgba(255, 180, 84, 0.08);
}
@media (max-width: 860px) {
  .shelf-head { flex-wrap: wrap; }
  .shelf-count { margin-left: 44px; }
}

/* ============================================================
   v2 — Brand band · Pillars · Marketplace · Transaction · RTL
   ============================================================ */

/* ---------- mobile nav ---------- */
.nav-toggle {
  display: none; background: none; border: 1px solid var(--line); border-radius: 10px;
  color: var(--text); width: 38px; height: 38px; cursor: pointer; font-size: 15px; line-height: 1;
}
.nav-toggle:hover { border-color: var(--line-2); }
@media (max-width: 900px) {
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px; padding: 12px 4vw 18px;
    background: rgba(6, 8, 15, 0.99); border-bottom: 1px solid var(--line);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; font-size: 15px; }
  .nav-links a.active::after { display: none; }
  .nav-toggle { display: grid; place-items: center; }
  .nav-inner { position: relative; }
}
@media (max-width: 560px) {
  .brand .en, .brand .plat, .brand .co { display: none; }
  .brand .brand-txt .site { margin-bottom: 0; }
  .lang-switch button { padding: 6px 8px; }
}

/* ---------- language dropdown (11 locales) ---------- */
.lang-wrap { position: relative; }
.lang-btn {
  display: flex; align-items: center; gap: 7px; cursor: pointer;
  background: none; border: 1px solid var(--line); border-radius: 999px;
  color: var(--text-2); font: inherit; font-size: 12.5px; padding: 6px 12px;
  transition: border-color 0.2s, color 0.2s;
}
.lang-btn:hover { border-color: var(--line-2); color: var(--text); }
.lang-btn .globe { font-size: 13px; }
.lang-menu {
  display: none; position: absolute; top: calc(100% + 8px); right: 0; z-index: 140;
  width: 190px; max-height: 340px; overflow-y: auto; padding: 6px;
  background: linear-gradient(180deg, #0d1220, #080b14);
  border: 1px solid var(--line-2); border-radius: var(--radius);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.6);
}
.lang-menu.open { display: block; animation: fade 0.18s var(--ease); }
.lang-menu button {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; width: 100%;
  background: none; border: none; color: var(--text-2); font: inherit; font-size: 13.5px;
  padding: 9px 11px; border-radius: 8px; cursor: pointer; text-align: left;
}
.lang-menu button:hover { background: var(--surface-2); color: var(--text); }
.lang-menu button.on { color: var(--accent-2); }
.lang-menu button .code { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; color: var(--muted); }
html[dir="rtl"] .lang-menu { right: auto; left: 0; }
html[dir="rtl"] .lang-menu button { text-align: right; }

/* ---------- brand band (首页品牌介绍带) ---------- */
.band {
  position: relative; margin: 0 auto; width: min(var(--maxw), 92vw);
  border: 1px solid var(--line-2); border-radius: var(--radius-l);
  background: linear-gradient(140deg, rgba(12, 17, 30, 0.95), rgba(7, 10, 18, 0.92));
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.5); overflow: hidden;
}
.band::before { /* solar-bird / orbit abstract watermark */
  content: ""; position: absolute; right: -120px; top: -80px; width: 420px; height: 420px; pointer-events: none;
  background:
    radial-gradient(closest-side, rgba(255, 180, 84, 0.16), transparent 70%),
    conic-gradient(from 20deg, rgba(76, 141, 255, 0.16), transparent 30%, rgba(167, 139, 250, 0.16) 55%, transparent 80%);
  mask-image: radial-gradient(closest-side, #000 30%, transparent 72%);
  -webkit-mask-image: radial-gradient(closest-side, #000 30%, transparent 72%);
}
html[dir="rtl"] .band::before { right: auto; left: -120px; }
.band-inner { position: relative; padding: 46px 44px 40px; }
.band h2 { font-size: clamp(24px, 3.2vw, 36px); letter-spacing: -0.015em; margin-top: 14px; }
.band .lead { margin-top: 14px; color: var(--text-2); font-size: 16.5px; max-width: 760px; }
.band-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 34px; }
.band-card {
  padding: 24px 22px; border-radius: var(--radius); border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  transition: transform 0.3s var(--ease), border-color 0.3s;
}
.band-card:hover { transform: translateY(-3px); border-color: var(--line-2); }
.band-card .ico { font-size: 22px; margin-bottom: 12px; }
.band-card h3 { font-size: 17.5px; margin-bottom: 9px; }
.band-card p { color: var(--text-2); font-size: 14.5px; }
.band-stats {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; margin-top: 30px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.band-stats .st { background: rgba(8, 11, 20, 0.8); padding: 18px 16px; text-align: center; }
.band-stats .st .v { font-size: 19px; font-weight: 700; letter-spacing: -0.01em; }
.band-stats .st .k { margin-top: 3px; color: var(--muted); font-size: 12.5px; }
.band-ctas { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 30px; }
.band-cta {
  display: flex; align-items: center; gap: 11px; padding: 15px 17px; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--surface); color: var(--text);
  font-size: 14.5px; transition: all 0.25s var(--ease);
}
.band-cta:hover { border-color: rgba(76, 141, 255, 0.6); background: var(--surface-2); transform: translateY(-3px); }
.band-cta .ico { color: var(--accent-2); flex: none; display: grid; place-items: center; }
.band-cta .ico .icn { width: 20px; height: 20px; }
.band-cta .arw { margin-left: auto; color: var(--muted); font-family: var(--mono); font-size: 12px; }
html[dir="rtl"] .band-cta .arw { margin-left: 0; margin-right: auto; transform: scaleX(-1); }
.band-note { margin-top: 18px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--muted); text-transform: uppercase; }

@media (max-width: 1024px) {
  .band-cards { grid-template-columns: 1fr; }
  .band-stats { grid-template-columns: repeat(3, 1fr); }
  .band-ctas { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .band-inner { padding: 32px 22px 28px; }
  .band-stats { grid-template-columns: repeat(2, 1fr); }
  .band-ctas { grid-template-columns: 1fr; }
}

/* ---------- pillars ---------- */
.pillar { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 26px; align-items: center; padding: 30px 0; border-top: 1px solid var(--line); }
.pillar:first-of-type { border-top: none; }
.pillar:nth-child(even) .pillar-visual { order: -1; }
.pillar .tag-pill { margin-top: 0; margin-bottom: 14px; }
.pillar h3 { font-size: clamp(21px, 2.4vw, 27px); letter-spacing: -0.01em; }
.pillar h3 .en-sub { display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; color: var(--muted); text-transform: uppercase; margin-top: 9px; }
.pillar p { margin-top: 14px; color: var(--text-2); font-size: 15.4px; }
.pillar ul { margin-top: 18px; padding: 0; list-style: none; }
.pillar ul li { position: relative; padding-left: 20px; color: var(--text-2); font-size: 14.4px; margin-bottom: 8px; }
.pillar ul li::before { content: ""; position: absolute; left: 0; top: 8px; width: 7px; height: 7px; border-radius: 2px; background: var(--grad); }
.pillar-visual {
  position: relative; min-height: 210px; border-radius: var(--radius); border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(76, 141, 255, 0.1), rgba(167, 139, 250, 0.06) 55%, transparent);
  display: grid; place-items: center; overflow: hidden;
}
.pillar-visual .pv-img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.8s var(--ease);
}
.pillar:hover .pillar-visual .pv-img { transform: scale(1.045); }
.pillar-visual .pv-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(200deg, rgba(5, 7, 13, 0.1), rgba(5, 7, 13, 0.5) 72%),
              radial-gradient(130% 90% at 50% 115%, rgba(5, 7, 13, 0.72), transparent 55%);
}
.pillar-visual .chips { position: absolute; inset: 0; z-index: 2; }
.pillar-visual .chip {
  position: absolute; font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-2); border: 1px solid var(--line); background: rgba(6, 8, 15, 0.85);
  padding: 4px 10px; border-radius: 999px; white-space: nowrap;
}
.pillar-visual .chip:nth-child(1) { top: 16px; left: 16px; }
.pillar-visual .chip:nth-child(2) { top: 50%; right: 14px; transform: translateY(-50%); }
.pillar-visual .chip:nth-child(3) { bottom: 16px; left: 22px; }
.pillar-visual .chip:nth-child(4) { bottom: 46px; right: 30px; }
html[dir="rtl"] .pillar-visual .chip:nth-child(1) { left: auto; right: 16px; }
html[dir="rtl"] .pillar-visual .chip:nth-child(2) { right: auto; left: 14px; }
html[dir="rtl"] .pillar-visual .chip:nth-child(3) { left: auto; right: 22px; }
html[dir="rtl"] .pillar-visual .chip:nth-child(4) { right: auto; left: 30px; }
@media (max-width: 860px) {
  .pillar { grid-template-columns: 1fr; }
  .pillar:nth-child(even) .pillar-visual { order: 0; }
}

/* ---------- filter chips ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 30px; }
.chip-btn {
  border: 1px solid var(--line); background: var(--surface); color: var(--text-2);
  border-radius: 999px; padding: 9px 17px; font: inherit; font-size: 14px; cursor: pointer;
  transition: all 0.22s var(--ease); display: inline-flex; align-items: center; gap: 8px;
}
.chip-btn:hover { border-color: var(--line-2); color: var(--text); }
.chip-btn.on { background: var(--grad); border-color: transparent; color: #05070d; font-weight: 600; }
.filters .cnt { margin-left: auto; font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.1em; color: var(--muted); }
html[dir="rtl"] .filters .cnt { margin-left: 0; margin-right: auto; }

/* ---------- SKU tags on cards ---------- */
.sku-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.sku-tag {
  font-family: var(--mono); font-size: 9.8px; letter-spacing: 0.1em; text-transform: uppercase;
  border: 1px solid rgba(34, 211, 238, 0.32); color: var(--accent-2);
  padding: 3px 9px; border-radius: 999px; white-space: nowrap;
}
.sku-tag.t-sol { border-color: rgba(167, 139, 250, 0.4); color: var(--accent-3); }
.sku-tag.t-dig { border-color: rgba(255, 180, 84, 0.4); color: var(--warm); }
.sku-tag.t-agent { border-color: rgba(76, 141, 255, 0.42); color: #8fb6ff; }
.sku-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 15px; }
.sku-actions .btn { flex: 1 1 auto; }
.sku-actions .btn.sec { background: none; border: 1px solid var(--line); color: var(--text-2); }
.sku-actions .btn.sec:hover { color: var(--text); border-color: var(--line-2); }

/* ---------- product detail ---------- */
.pd-grid { display: grid; grid-template-columns: 1.35fr 0.65fr; gap: 26px; align-items: start; }
.pd-hero { display: flex; gap: 22px; align-items: flex-start; }
.pd-hero .ico {
  width: 74px; height: 74px; flex: none; border-radius: 18px; display: grid; place-items: center;
  border: 1px solid var(--line); background: var(--surface-2); font-size: 34px;
}
.pd-hero h1 { font-size: clamp(24px, 3.4vw, 34px); letter-spacing: -0.015em; }
.pd-hero .tagline { margin-top: 10px; color: var(--text-2); font-size: 16px; }
.pd-meta { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 18px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--muted); text-transform: uppercase; }
.pd-buy { position: sticky; top: 92px; }
.pd-buy .price-big { font-size: 32px; font-weight: 700; letter-spacing: -0.015em; }
.pd-buy .price-sub { margin-top: 5px; font-family: var(--mono); font-size: 11.5px; color: var(--muted); }
.qty-row { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.qty-ctl { display: flex; align-items: center; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.qty-ctl button { width: 38px; height: 38px; background: none; border: none; color: var(--text); font-size: 17px; cursor: pointer; }
.qty-ctl button:hover { background: var(--surface-2); }
.qty-ctl input { width: 52px; text-align: center; background: none; border: none; color: var(--text); font: inherit; font-size: 15px; -moz-appearance: textfield; }
.qty-ctl input::-webkit-outer-spin-button, .qty-ctl input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.spec-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-top: 16px; }
.spec-list .row { display: flex; justify-content: space-between; gap: 16px; padding: 13px 17px; background: rgba(8, 11, 20, 0.72); font-size: 14.2px; }
.spec-list .row .k { color: var(--muted); }
.spec-list .row .v { text-align: right; }
html[dir="rtl"] .spec-list .row .v { text-align: left; }
@media (max-width: 1024px) { .pd-grid { grid-template-columns: 1fr; } .pd-buy { position: static; } }
@media (max-width: 560px) { .pd-hero { flex-direction: column; } }

/* ---------- cart layout ---------- */
.cart-layout { grid-template-columns: 1.6fr 1fr; gap: 26px; align-items: start; }
@media (max-width: 1024px) { .cart-layout { grid-template-columns: 1fr; } }

/* ---------- table-ish list (cart / orders) ---------- */
.tbl { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.tbl .tr { display: grid; grid-template-columns: 2.4fr 1fr 0.9fr 1.1fr auto; gap: 14px; align-items: center; padding: 15px 18px; border-bottom: 1px solid var(--line); background: rgba(8, 11, 20, 0.5); font-size: 14.4px; }
.tbl .tr:last-child { border-bottom: none; }
.tbl .tr.head { background: rgba(255, 255, 255, 0.035); font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.13em; text-transform: uppercase; color: var(--muted); }
.tbl .tr .item { display: flex; align-items: center; gap: 13px; }
.tbl .tr .item .ico { font-size: 22px; flex: none; }
.tbl .tr .item .nm { font-weight: 600; }
.tbl .tr .item .sb { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; color: var(--muted); text-transform: uppercase; margin-top: 4px; }
.tbl .money { font-family: var(--mono); font-size: 13.5px; }
.tbl .rm { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 15px; }
.tbl .rm:hover { color: #fca5a5; }
@media (max-width: 860px) {
  .tbl .tr { grid-template-columns: 1fr 1fr; gap: 10px; }
  .tbl .tr.head { display: none; }
  .tbl .tr .item { grid-column: 1 / -1; }
}

/* ---------- summary / totals ---------- */
.total-box { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; background: rgba(8, 11, 20, 0.6); }
.total-box .row { display: flex; justify-content: space-between; gap: 14px; padding: 9px 0; font-size: 14.8px; color: var(--text-2); }
.total-box .row.grand { border-top: 1px solid var(--line); margin-top: 10px; padding-top: 16px; font-size: 19px; color: var(--text); font-weight: 700; }
.total-box .row.grand .money { font-family: var(--sans); }

/* ---------- checkout sections ---------- */
.ck-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 26px; align-items: start; }
.ck-side { position: sticky; top: 92px; }
.sec-title { display: flex; align-items: center; gap: 11px; margin-bottom: 18px; }
.sec-title .num {
  width: 26px; height: 26px; flex: none; border-radius: 8px; display: grid; place-items: center;
  font-family: var(--mono); font-size: 11px; color: var(--accent-2);
  border: 1px solid var(--line); background: var(--surface);
}
.sec-title h3 { font-size: 18px; letter-spacing: -0.005em; }
@media (max-width: 1024px) { .ck-grid { grid-template-columns: 1fr; } .ck-side { position: static; } }

/* ---------- radio cards (payment / invoice) ---------- */
.radio-card { display: flex; gap: 13px; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); cursor: pointer; transition: all 0.22s var(--ease); }
.radio-card + .radio-card { margin-top: 11px; }
.radio-card:hover { border-color: var(--line-2); }
.radio-card.on { border-color: rgba(76, 141, 255, 0.65); background: rgba(76, 141, 255, 0.07); }
.radio-card input { margin-top: 4px; accent-color: #4c8dff; flex: none; }
.radio-card .t { font-size: 15px; font-weight: 600; }
.radio-card .d { margin-top: 5px; color: var(--muted); font-size: 13.2px; line-height: 1.6; }
.radio-card.disabled { opacity: 0.55; cursor: not-allowed; }

/* ---------- compliance checklist ---------- */
.comp-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.comp-row { display: flex; gap: 15px; padding: 18px 20px; background: rgba(8, 11, 20, 0.7); }
.comp-row .n { font-family: var(--mono); font-size: 11px; color: var(--accent-2); flex: none; padding-top: 3px; letter-spacing: 0.1em; }
.comp-row h4 { font-size: 15.6px; margin-bottom: 5px; }
.comp-row p { color: var(--text-2); font-size: 14.2px; }

/* ---------- account tabs ---------- */
.tabbar { display: flex; flex-wrap: wrap; gap: 6px; padding: 5px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); margin-bottom: 26px; }
.tabbar button {
  border: none; background: none; color: var(--text-2); font: inherit; font-size: 14px;
  padding: 9px 17px; border-radius: 999px; cursor: pointer; transition: all 0.2s; white-space: nowrap;
}
.tabbar button:hover { color: var(--text); }
.tabbar button.on { background: var(--grad); color: #05070d; font-weight: 600; }

/* ---------- status pills ---------- */
.st-pill {
  display: inline-block; font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--text-2); white-space: nowrap;
}
.st-pill.pending { border-color: rgba(255, 180, 84, 0.45); color: var(--warm); }
.st-pill.review { border-color: rgba(76, 141, 255, 0.45); color: #8fb6ff; }
.st-pill.paid, .st-pill.contracted { border-color: rgba(34, 211, 153, 0.45); color: #6ee7b7; }
.st-pill.delivering { border-color: rgba(34, 211, 238, 0.45); color: var(--accent-2); }
.st-pill.done { border-color: rgba(110, 231, 183, 0.4); color: #6ee7b7; }
.st-pill.cancelled { border-color: rgba(248, 113, 113, 0.4); color: #fca5a5; }

/* ---------- order cards (account) ---------- */
.order-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; background: rgba(8, 11, 20, 0.55); margin-bottom: 14px; }
.order-card .oh { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.order-card .oh .no { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; color: var(--text-2); }
.order-card .oh .amt { margin-left: auto; font-weight: 700; font-size: 16.5px; }
html[dir="rtl"] .order-card .oh .amt { margin-left: 0; margin-right: auto; }
.order-card .ol { margin-top: 13px; display: flex; flex-wrap: wrap; gap: 8px; }
.order-card .ol span { font-size: 12.6px; color: var(--text-2); border: 1px solid var(--line); border-radius: 999px; padding: 4px 11px; }
.order-card .of { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 16px; align-items: center; font-family: var(--mono); font-size: 11px; color: var(--muted); }
.order-card .of .btn { font-family: var(--sans); }

/* ---------- AI 助手（智核球体） ---------- */
.huibao {
  width: 30px; height: 30px; flex: none; border-radius: 50%; display: grid; place-items: center;
  color: #9fd8ff;
  background: radial-gradient(circle at 35% 30%, rgba(76, 141, 255, 0.38), rgba(34, 211, 238, 0.13) 62%, rgba(167, 139, 250, 0.2));
  box-shadow: 0 0 0 1px rgba(124, 165, 255, 0.32), 0 0 18px rgba(76, 141, 255, 0.35);
}
.huibao .icn { width: 19px; height: 19px; }
.ai-fab { display: grid; place-items: center; }
.ai-fab .huibao {
  width: 38px; height: 38px;
  background: radial-gradient(circle at 35% 30%, rgba(76, 141, 255, 0.42), rgba(34, 211, 238, 0.16) 62%, rgba(167, 139, 250, 0.22));
  box-shadow: 0 0 0 1px rgba(124, 165, 255, 0.36), 0 0 26px rgba(76, 141, 255, 0.5);
  animation: orbPulse 3.4s var(--ease) infinite;
}
.ai-fab .huibao .icn { width: 24px; height: 24px; }
.ai-head .huibao { width: 34px; height: 34px; }
@keyframes orbPulse {
  0%, 100% { box-shadow: 0 0 0 1px rgba(124, 165, 255, 0.36), 0 0 22px rgba(76, 141, 255, 0.45); }
  50% { box-shadow: 0 0 0 1px rgba(124, 165, 255, 0.5), 0 0 34px rgba(76, 141, 255, 0.65); }
}

/* ---------- globe / data-flow background (global section) ---------- */
.globe-bg {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden;
  background-image:
    radial-gradient(38% 46% at 78% 32%, rgba(76, 141, 255, 0.16), transparent 66%),
    radial-gradient(34% 40% at 20% 70%, rgba(167, 139, 250, 0.13), transparent 68%);
}
.globe-bg::before { /* latitude/longitude wireframe */
  content: ""; position: absolute; right: -6%; top: 50%; transform: translateY(-50%);
  width: 420px; height: 420px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background-image:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.075) 0 1px, transparent 1px 42px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.055) 0 1px, transparent 1px 42px);
  mask-image: radial-gradient(closest-side, #000 55%, transparent 78%);
  -webkit-mask-image: radial-gradient(closest-side, #000 55%, transparent 78%);
}
html[dir="rtl"] .globe-bg::before { right: auto; left: -6%; }

/* ---------- hero: AI 主视觉大图（右侧渐隐融入背景） ---------- */
.hero-media { position: absolute; inset: 0; pointer-events: none; }
.hero-media img {
  position: absolute; right: 0; top: 0; width: 72%; height: 100%; object-fit: cover; object-position: center center;
  opacity: 1; filter: brightness(1.18) saturate(1.12);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 34%);
  mask-image: linear-gradient(90deg, transparent 0, #000 34%);
}
.hero-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5, 7, 13, 0.28), rgba(5, 7, 13, 0.05) 45%, var(--bg) 97%);
}
.hero-media.dim img { opacity: 0.55; }
html[dir="rtl"] .hero-media img { right: auto; left: 0; object-position: center left; -webkit-mask-image: linear-gradient(270deg, transparent 0, #000 52%); mask-image: linear-gradient(270deg, transparent 0, #000 52%); }
@media (max-width: 860px) { .hero-media img { width: 100%; opacity: 0.45; -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 40%); mask-image: linear-gradient(180deg, transparent 0, #000 40%); object-position: center top; } }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- RTL adjustments ---------- */
html[dir="rtl"] .sec-head .label::before { margin-inline-end: 10px; }
html[dir="rtl"] .card ul li { padding-left: 0; padding-right: 17px; }
html[dir="rtl"] .card ul li::before { left: auto; right: 0; }
html[dir="rtl"] .pillar ul li { padding-left: 0; padding-right: 20px; }
html[dir="rtl"] .pillar ul li::before { left: auto; right: 0; }
html[dir="rtl"] .step .n { order: 2; }
html[dir="rtl"] .timeline { padding-left: 0; padding-right: 26px; }
html[dir="rtl"] .timeline::before { left: auto; right: 5px; }
html[dir="rtl"] .tl-item { padding: 0 12px 30px 0; }
html[dir="rtl"] .tl-item::before { left: auto; right: -26px; }
html[dir="rtl"] .shelf-count { margin-left: 0; margin-right: auto; }
html[dir="rtl"] .sku-badge { right: auto; left: 14px; }
html[dir="rtl"] .band-cta .arw { transform: scaleX(-1); }
html[dir="rtl"] .price-line, html[dir="rtl"] .total-box .row, html[dir="rtl"] .comp-row { text-align: right; }
html[dir="rtl"] body { letter-spacing: 0; }
html[dir="rtl"] .mono, html[dir="rtl"] .brand .en { letter-spacing: 0.02em; text-transform: none; }

/* ===================== v3 — 定制图标系统与 AI 配图 ===================== */
.icn { width: 22px; height: 22px; display: block; flex: none; }

/* 导航图标 */
.nav-icn { display: inline-grid; place-items: center; }
.nav-icn .icn { width: 17px; height: 17px; }
.lang-btn .globe { display: inline-grid; place-items: center; }
.lang-btn .globe .icn { width: 14px; height: 14px; }
.nav-toggle .icn { width: 20px; height: 20px; }
#aiClose .icn, .modal-close .icn { width: 15px; height: 15px; }
.send .icn { width: 16px; height: 16px; }
.chip-btn .icn { width: 14px; height: 14px; display: inline-block; vertical-align: -2px; }
.cart-row .ico .icn, .item .ico .icn { width: 20px; height: 20px; }
.ok-icn { display: grid; place-items: center; margin-bottom: 14px; color: #34d399; }
.ok-icn .icn { width: 46px; height: 46px; }
.notice .ico .icn { width: 18px; height: 18px; }
.pd-hero .ico { width: 54px; height: 54px; }
.pd-hero .ico .icn { width: 26px; height: 26px; }
.cart-count { margin-left: 2px; }
.info-row .ico { color: #7fb3ff; }
.info-row .ico .icn { width: 20px; height: 20px; }

/* 商品详情页配图 */
.pd-hero { position: relative; }
.pd-media {
  position: absolute; right: -10px; top: 50%; transform: translateY(-50%);
  width: 250px; height: 170px; object-fit: cover; border-radius: 16px;
  border: 1px solid rgba(124, 165, 255, 0.2); opacity: 0.92; pointer-events: none;
  -webkit-mask-image: linear-gradient(270deg, transparent 0, #000 42%);
  mask-image: linear-gradient(270deg, transparent 0, #000 42%);
}
html[dir="rtl"] .pd-media { right: auto; left: -10px; -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 42%); mask-image: linear-gradient(90deg, transparent 0, #000 42%); }
@media (max-width: 1100px) { .pd-media { display: none; } }

/* ---------- misc ---------- */
.notice { display: flex; gap: 12px; padding: 14px 17px; border-radius: var(--radius-s); border: 1px solid rgba(255, 180, 84, 0.32); background: rgba(255, 180, 84, 0.07); font-size: 13.8px; color: #f3d3a3; }
.notice .ico { flex: none; }
.notice.info { border-color: rgba(76, 141, 255, 0.32); background: rgba(76, 141, 255, 0.07); color: #a9c6ff; }
.anchor-nav { position: sticky; top: 74px; z-index: 60; background: rgba(5, 7, 13, 0.94); border-bottom: 1px solid var(--line); }
.anchor-nav .wrap { display: flex; gap: 4px; overflow-x: auto; padding: 10px 0; }
.anchor-nav a { white-space: nowrap; padding: 7px 14px; border-radius: 999px; font-size: 13.5px; color: var(--text-2); }
.anchor-nav a:hover { color: var(--text); background: var(--surface-2); }

/* ---------- payment & contract (assets/pay.js 驱动) ---------- */
.pay-grid { display: grid; grid-template-columns: 1.12fr 0.88fr; gap: 22px; align-items: start; }
@media (max-width: 1000px) { .pay-grid { grid-template-columns: 1fr; } }

.pay-rows { display: grid; gap: 10px; }
.pay-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-s);
  background: var(--surface);
}
.pay-row .k { flex: none; width: 116px; font-size: 12.6px; color: var(--muted); }
.pay-row .v { flex: 1; font-size: 14.6px; word-break: break-all; }
.pay-row .v.mono { font-family: var(--mono); letter-spacing: 0.03em; font-size: 13.8px; }
.pay-row .btn { flex: none; }
html[dir="rtl"] .pay-row .k { text-align: right; }

.pay-steps { display: grid; gap: 12px; }
.pay-step {
  display: flex; gap: 14px; padding: 14px 16px;
  border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--surface);
}
.pay-step .n { flex: none; font-family: var(--mono); font-size: 12.6px; color: var(--accent-2); padding-top: 2px; }
.pay-step h4 { font-size: 14.6px; margin: 0 0 4px; }
.pay-step p { font-size: 13.4px; color: var(--text-2); margin: 0; line-height: 1.62; }

.pay-badge {
  font-style: normal; font-size: 11.4px; letter-spacing: 0.04em;
  margin-left: 9px; padding: 2px 8px; border-radius: 999px;
  border: 1px solid var(--line-2); color: var(--muted); vertical-align: middle; white-space: nowrap;
}
.pay-badge.live { border-color: rgba(34, 211, 153, 0.42); color: #6ee7b7; }
.pay-badge.pending { border-color: rgba(255, 180, 84, 0.42); color: var(--warm); }
html[dir="rtl"] .pay-badge { margin-left: 0; margin-right: 9px; }

.radio-card .t .pay-badge { font-style: normal; }
.radio-card.disabled .pay-badge.pending { opacity: 0.9; }

.st-pill.awaiting_confirm { border-color: rgba(255, 180, 84, 0.45); color: var(--warm); }

.pay-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }

/* 采购确认书：纸张式文档预览（深色画布上的白纸），打印时自动转为纯白 */
.doc-wrap { max-width: 920px; margin: 0 auto; }
.doc-toolbar { display: flex; gap: 12px; flex-wrap: wrap; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.doc-sheet {
  background: #ffffff; color: #15181f; border-radius: 14px;
  padding: 46px 50px; box-shadow: 0 26px 64px rgba(0, 0, 0, 0.42);
}
.doc-sheet h1 { font-size: 25px; letter-spacing: 0.14em; text-align: center; margin: 0; color: #101319; font-weight: 700; }
.doc-sheet .doc-sub { text-align: center; font-size: 12.6px; color: #5c6472; margin-top: 10px; }
.doc-meta {
  display: flex; flex-wrap: wrap; gap: 10px 26px; justify-content: space-between;
  margin: 22px 0 4px; padding: 12px 0; font-size: 12.8px; color: #3a4150;
  border-top: 1px solid #e5e7ee; border-bottom: 1px solid #e5e7ee;
}
.doc-meta b { color: #101319; font-weight: 600; }
.doc-sheet h2 { font-size: 14px; margin: 26px 0 10px; color: #101319; }
.doc-parties { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 720px) { .doc-parties { grid-template-columns: 1fr; } .doc-sheet { padding: 30px 22px; } }
.doc-party { border: 1px solid #e5e7ee; border-radius: 10px; padding: 14px 16px; }
.doc-party h3 { font-size: 12.4px; letter-spacing: 0.06em; margin: 0 0 10px; color: #101319; text-transform: none; }
.doc-party dl { margin: 0; font-size: 12.8px; color: #3a4150; line-height: 1.75; }
.doc-party dt { display: inline; color: #6b7280; }
.doc-party dd { display: inline; margin: 0 0 0 4px; }
.doc-sheet table { width: 100%; border-collapse: collapse; font-size: 12.8px; }
.doc-sheet th, .doc-sheet td { border: 1px solid #e5e7ee; padding: 9px 11px; text-align: left; vertical-align: top; }
.doc-sheet th { background: #f5f6fa; color: #101319; font-weight: 600; }
.doc-sheet td.num, .doc-sheet th.num { text-align: right; font-family: var(--mono); white-space: nowrap; }
.doc-sheet tfoot td { font-weight: 700; background: #fafbfd; color: #101319; }
.doc-sheet ol { margin: 0; padding-left: 20px; font-size: 12.8px; color: #3a4150; line-height: 1.9; }
.doc-sign { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 34px; }
.doc-sign .box { border-top: 1px solid #c8cdd8; padding-top: 11px; min-height: 92px; font-size: 12.8px; color: #3a4150; }
.doc-foot { margin-top: 26px; font-size: 11.8px; color: #77808f; text-align: center; }

/* 后台 · 合同签署 */
.adm-sign-thumb { max-height: 36px; max-width: 130px; border: 1px solid #e3e7ef; border-radius: 6px; background: #fff; padding: 3px; cursor: zoom-in; }
.adm-sign-thumb.big { position: fixed; z-index: 9999; top: 50%; left: 50%; transform: translate(-50%, -50%);
  max-width: 70vw; max-height: 60vh; background: #fff; padding: 18px; border-radius: 12px;
  box-shadow: 0 24px 70px rgba(10, 16, 32, .45); cursor: zoom-out; }

/* ---------- 采购确认书 · 在线签署 ---------- */
.doc-sign-img { max-height: 58px; max-width: 220px; display: block; margin: 6px 0 2px; }
.esign-badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 20px;
  background: #0f7b4f; color: #fff; font-size: 12.5px; font-weight: 600; letter-spacing: .04em; }
.esign-panel { margin-top: 20px; padding: 26px 28px; border: 1px solid #e3e7ef; border-radius: 16px; background: #ffffff; }
.esign-title { margin: 0; font-size: 17px; color: #101319; }
.esign-hint { margin: 8px 0 14px; font-size: 13px; color: #5c6472; }
.esign-consent { display: flex; align-items: flex-start; gap: 9px; font-size: 13.2px; color: #3a4150; margin-bottom: 14px; cursor: pointer; }
.esign-consent input { margin-top: 2px; }
.esign-pad-wrap { display: flex; align-items: center; gap: 14px; }
.esign-pad-wrap canvas { border: 1px dashed #b9c2d2; border-radius: 12px; background: #fafbfd; width: min(640px, 100%); height: auto; touch-action: none; cursor: crosshair; }
.esign-actions { display: flex; align-items: center; gap: 16px; margin-top: 16px; }
.esign-signed-card { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.esign-meta { font-size: 13px; color: #3a4150; }
.esign-thumb { max-height: 44px; max-width: 160px; border: 1px solid #e3e7ef; border-radius: 8px; background: #fff; padding: 4px; }

@media print {
  html, body { background: #ffffff !important; color: #000000 !important; }
  .site-header, .site-footer, .doc-toolbar, .esign-panel, .ai-fab, .ai-panel, .lang-menu, .modal-mask, .hero { display: none !important; }
  .section { padding: 0 !important; }
  .doc-wrap { max-width: none; }
  .doc-sheet { box-shadow: none; border-radius: 0; padding: 0; }
  .doc-sheet h1 { font-size: 22px; }
  a { color: inherit; text-decoration: none; }
}

/* 页脚付款方式说明 */
.foot-pay {
  display: flex; align-items: center; gap: 10px; margin-top: 22px; padding: 13px 16px;
  border: 1px solid var(--line); border-radius: var(--radius-s);
  background: var(--surface); font-size: 13px; color: var(--text-2);
}
.foot-pay .ico { flex: none; color: var(--accent-2); display: inline-flex; }
.foot-pay .ico .icn { width: 18px; height: 18px; }

/* ---------- 首页爆款推荐（中国AI人才 / 中国算力 Token） ---------- */
.hot-sec .sec-head { margin-bottom: 40px; }
.hot-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.hot-card {
  position: relative; display: block; padding: 36px 34px 30px; overflow: hidden;
  border-radius: var(--radius, 18px); border: 1px solid var(--line-2);
  background:
    radial-gradient(120% 90% at 0% 0%, rgba(76, 141, 255, 0.16), transparent 55%),
    radial-gradient(110% 90% at 100% 100%, rgba(34, 211, 238, 0.10), transparent 55%),
    var(--surface);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.hot-card:hover {
  transform: translateY(-5px);
  border-color: rgba(76, 141, 255, 0.65);
  box-shadow: 0 22px 60px rgba(76, 141, 255, 0.18);
}
.hot-card::after {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
}
.hot-badge {
  position: absolute; top: 20px; right: 20px; padding: 6px 13px; border-radius: 999px;
  font-size: 12.5px; font-weight: 700; letter-spacing: 0.06em; color: #fff;
  background: linear-gradient(120deg, #ff7a45, var(--warm, #ffb454));
  box-shadow: 0 6px 20px rgba(255, 122, 69, 0.4);
}
.hot-label { font-size: 11px; letter-spacing: 0.16em; color: var(--accent-2); text-transform: uppercase; }
.hot-card h3 { margin-top: 14px; font-size: clamp(25px, 2.8vw, 34px); letter-spacing: -0.015em; font-weight: 700; }
.hot-sub { margin-top: 9px; color: var(--text-2); font-size: 15.6px; }
.hot-card ul { margin-top: 18px; padding: 0; list-style: none; }
.hot-card ul li { position: relative; padding-left: 21px; color: var(--text-2); font-size: 14.6px; margin-bottom: 9px; }
.hot-card ul li::before {
  content: ""; position: absolute; left: 0; top: 8px; width: 7px; height: 7px;
  border-radius: 2px; background: var(--grad, linear-gradient(135deg, var(--accent), var(--accent-2)));
}
.hot-foot { margin-top: 24px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.hot-price { font-family: var(--mono); font-size: 15px; font-weight: 700; letter-spacing: -0.01em; }
.hot-cta { pointer-events: none; }
@media (max-width: 900px) {
  .hot-grid { grid-template-columns: 1fr; }
  .hot-card { padding: 30px 26px 26px; }
}

/* 工作台 + 页签待办徽标 */
.adm-tab { position: relative; }
.adm-bdg { position: absolute; top: -7px; right: -6px; min-width: 18px; height: 18px; padding: 0 5px;
  border-radius: 9px; background: #e5484d; color: #fff; font-size: 11px; font-weight: 700;
  line-height: 18px; text-align: center; }
.dash-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 22px; }
.dash-col { border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--surface); padding: 16px 18px; }
.dash-col h3 { margin: 0 0 8px; font-size: 14.5px; }
.dash-rec { margin: 0; padding: 0; list-style: none; }
.dash-rec li { padding: 7px 0; border-bottom: 1px dashed var(--line); font-size: 12.8px; color: var(--text-2); }
.dash-rec li:last-child { border-bottom: none; }
.adm-ai { margin-top: 10px; padding: 10px 12px; border-left: 3px solid #4c8dff;
  background: rgba(76, 141, 255, 0.06); border-radius: 6px; white-space: pre-wrap; font-size: 12.8px; color: var(--text-2); }
@media (max-width: 900px) { .dash-cols { grid-template-columns: 1fr; } }

/* ---------- 咨询单管理台（内部页 admin.html） ---------- */
.adm-kpis { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.adm-kpi {
  text-align: left; padding: 16px 18px; cursor: pointer; font: inherit; color: var(--text);
  border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--surface);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.adm-kpi:hover { border-color: var(--line-2); background: var(--surface-2); }
.adm-kpi.on { border-color: rgba(76, 141, 255, 0.7); background: rgba(76, 141, 255, 0.08); }
.adm-kpi .n { display: block; font-size: 24px; font-weight: 700; font-family: var(--mono); }
.adm-kpi .k { display: block; margin-top: 4px; color: var(--text-2); font-size: 13px; }
.adm-toolbar { display: flex; gap: 12px; margin-top: 20px; align-items: center; flex-wrap: wrap; }
.adm-toolbar input {
  flex: 1 1 320px; min-width: 220px; padding: 11px 14px; font: inherit; font-size: 14px;
  border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--surface); color: var(--text);
}
.adm-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--surface); }
.adm-table { width: 100%; min-width: 1080px; border-collapse: collapse; font-size: 13.6px; }
.adm-table th {
  text-align: left; padding: 12px 14px; white-space: nowrap; font-weight: 600; color: var(--text-2);
  background: var(--surface-2); border-bottom: 1px solid var(--line);
}
.adm-table td { padding: 12px 14px; color: var(--text-2); border-bottom: 1px solid var(--line); vertical-align: top; }
.adm-table tr:last-child td { border-bottom: none; }
.adm-table td strong { color: var(--text); }
.adm-table td.num { text-align: right; color: var(--muted); }
.adm-msg { max-width: 380px; }
.adm-status {
  padding: 6px 10px; font: inherit; font-size: 12.6px; color: var(--text);
  border: 1px solid var(--line-2); border-radius: 999px; background: var(--surface-2);
}
.adm-status.st-new { border-color: rgba(255, 180, 84, 0.5); color: #f3d3a3; }
.adm-status.st-touch { border-color: rgba(76, 141, 255, 0.5); color: #a9c8ff; }
.adm-status.st-won { border-color: rgba(34, 211, 153, 0.5); color: #6ee7b7; }
.adm-status.st-void { border-color: var(--line-2); color: var(--muted); }
@media (max-width: 900px) { .adm-kpis { grid-template-columns: repeat(2, 1fr); } }

/* ---------- 运营管理台：页签 / 申请卡 / 编辑表单 ---------- */
.adm-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 26px; }
.adm-tab {
  padding: 10px 20px; font: inherit; font-size: 14.5px; font-weight: 600; color: var(--text-2);
  border: 1px solid var(--line); border-radius: 999px; background: var(--surface); cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.adm-tab:hover { color: var(--text); border-color: var(--line-2); }
.adm-tab.on { color: #fff; background: linear-gradient(120deg, var(--accent), var(--accent-2)); border-color: transparent; }
.adm-appl {
  border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--surface);
  padding: 18px 20px; margin-top: 14px;
}
.adm-appl-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; flex-wrap: wrap; }
.adm-appl-ops { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.adm-note {
  width: 260px; max-width: 60vw; padding: 8px 12px; font: inherit; font-size: 13px;
  border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--surface-2); color: var(--text);
}
.adm-meta { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 12px; font-size: 13.6px; color: var(--text-2); }
.adm-meta b { display: block; font-size: 11.5px; color: var(--muted); margin-bottom: 2px; font-weight: 600; }
.adm-line { margin-top: 10px; font-size: 13.8px; color: var(--text-2); }
.adm-line b { color: var(--text); }
.adm-detail td { padding: 12px 16px; }
.adm-form { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px 16px; }
.adm-fld { display: flex; flex-direction: column; gap: 5px; font-size: 12.5px; color: var(--muted); }
.adm-fld input, .adm-fld select {
  padding: 9px 12px; font: inherit; font-size: 13.5px; color: var(--text);
  border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--surface); width: 100%;
}
.adm-fld input:disabled { opacity: 0.55; }
@media (max-width: 900px) { .adm-form { grid-template-columns: 1fr; } }

/* ==================== 商品封面（卡片） ==================== */
.sku-cover { margin: -6px -6px 14px; border-radius: var(--radius-s); overflow: hidden; background: var(--surface-2); }
.sku-cover img { display: block; width: 100%; height: 150px; object-fit: cover; }

/* ==================== 商品详情页宣传图画廊 ==================== */
.pd-gallery { margin-bottom: 26px; }
.pd-gmain { border-radius: var(--radius-m); overflow: hidden; background: var(--surface-2); border: 1px solid var(--line); }
.pd-gmain img { display: block; width: 100%; max-height: 440px; object-fit: contain; background: var(--surface); }
.pd-gthumbs { display: flex; gap: 10px; margin-top: 10px; overflow-x: auto; padding-bottom: 4px; }
.pd-gthumb {
  flex: 0 0 auto; width: 86px; height: 64px; padding: 0; cursor: pointer;
  border: 2px solid transparent; border-radius: var(--radius-s); overflow: hidden; background: var(--surface-2);
}
.pd-gthumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.pd-gthumb.on { border-color: var(--brand, #6c5ce7); }

/* ==================== 管理台：商品图片管理 ==================== */
.adm-imgsec { margin-top: 16px; border: 1px dashed var(--line); border-radius: var(--radius-s); padding: 14px 16px; background: var(--surface); }
.adm-imggrid { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }
.adm-imgcard { width: 132px; border: 1px solid var(--line); border-radius: var(--radius-s); overflow: hidden; background: var(--surface-2); position: relative; }
.adm-imgcard img { display: block; width: 100%; height: 88px; object-fit: cover; }
.adm-imgcard.is-hidden img { opacity: 0.35; }
.adm-imgcard .ops { display: flex; flex-wrap: wrap; gap: 4px; padding: 6px; }
.adm-imgcard .ops button { font-size: 11px; padding: 3px 6px; border: 1px solid var(--line); border-radius: 4px; background: var(--surface); color: var(--text-2); cursor: pointer; }
.adm-imgcard .ops button:hover { color: var(--text); }
.adm-imgcard .cov { position: absolute; top: 4px; left: 4px; font-size: 10.5px; padding: 2px 6px; border-radius: 4px; background: rgba(108, 92, 231, 0.85); color: #fff; }
.adm-imgcard .dim { position: absolute; top: 4px; right: 4px; font-size: 10.5px; padding: 2px 6px; border-radius: 4px; background: rgba(0, 0, 0, 0.55); color: #fff; }
.adm-home-grp { border: 1px solid var(--line); border-radius: var(--radius-m); padding: 18px 20px; margin-top: 16px; background: var(--surface); }
.adm-home-row { display: grid; grid-template-columns: 130px 1fr 1fr 92px; gap: 10px; align-items: center; margin-top: 10px; }
.adm-home-row .lb { font-size: 12.5px; color: var(--muted); }
.adm-home-row input { padding: 8px 11px; font: inherit; font-size: 13.5px; color: var(--text); border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--surface-2); width: 100%; }
.adm-home-row .cov-chip { font-size: 11.5px; color: var(--muted); white-space: nowrap; }
.adm-home-row .cov-chip.ok { color: #6ee7b7; }
@media (max-width: 900px) { .adm-home-row { grid-template-columns: 1fr; } }

/* ---------- 可访问性：跳转主内容链接 ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: #fff; color: #05070d; padding: 10px 18px;
  border-radius: 0 0 10px 0; font-size: 14px; font-weight: 600;
}
.skip-link:focus { left: 0; }

/* ---------- 法律页（隐私政策 / 服务条款） ---------- */
.legal { max-width: 880px; }
.legal [hidden] { display: none !important; }
.legal-lead { color: var(--text-2); font-size: 16px; line-height: 1.85; margin-bottom: 8px; }
.legal h2 { font-size: 20px; margin: 36px 0 14px; padding-top: 22px; border-top: 1px solid var(--line); }
.legal h3 { font-size: 15.6px; margin: 22px 0 8px; color: var(--text); }
.legal p { color: var(--text-2); font-size: 14.6px; line-height: 1.9; margin-bottom: 12px; }
.legal ul { margin: 0 0 16px; padding-left: 0; list-style: none; }
.legal ul li { position: relative; padding-left: 17px; color: var(--text-2); font-size: 14.6px; line-height: 1.85; margin-bottom: 8px; }
.legal ul li::before { content: ''; position: absolute; left: 2px; top: 11px; width: 5px; height: 5px; border-radius: 50%; background: var(--accent-2); opacity: 0.65; }
.legal strong { color: var(--text); font-weight: 600; }
.legal a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.legal-meta li { padding-left: 0; margin-bottom: 6px; }
.legal-meta li::before { display: none; }
.legal-warn { background: rgba(255, 180, 84, 0.07); border-left: 3px solid var(--warm); border-radius: 0 8px 8px 0; padding: 12px 16px; margin: 18px 0; }
.legal-note { background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px; margin-bottom: 24px; }
.legal-note p { margin: 0; font-size: 13.5px; line-height: 1.75; }
.legal-foot { margin-top: 30px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }

/* ---------- 页脚法律链接 ---------- */
.foot-legal { display: flex; flex-wrap: wrap; gap: 20px; padding: 14px 0 0; border-top: 1px solid var(--line); }
.foot-legal a { color: var(--text-2); font-size: 13px; }
.foot-legal a:hover { color: var(--text); }
.consent-line { margin-top: 12px; font-size: 12px; line-height: 1.65; color: var(--muted); }
.consent-line a { color: var(--text-2); text-decoration: underline; text-underline-offset: 2px; }
.consent-line a:hover { color: var(--text); }

/* ---------- 联系页 FAQ ---------- */
.faq-wrap { max-width: 880px; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--surface-2); margin-bottom: 10px; overflow: hidden; }
.faq-item summary { cursor: pointer; padding: 15px 18px; font-size: 15px; font-weight: 600; color: var(--text); list-style: none; position: relative; padding-right: 44px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); font-size: 20px; font-weight: 400; color: var(--muted); transition: transform 0.2s ease; }
.faq-item[open] summary::after { content: '−'; }
.faq-item summary:hover { color: var(--accent); }
.faq-a { padding: 0 18px 15px; }
.faq-a p { color: var(--text-2); font-size: 14.2px; line-height: 1.85; margin: 0; }
.faq-a a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* 详情页画廊主图固定纵横比，防止图片加载时布局偏移 */
.pd-gmain img { aspect-ratio: 16 / 10; }

/* ==================== 视觉打磨批次（2026-11-01） ==================== */

/* --- 商品卡封面：设计化兜底 + 图片融合 --- */
.sku-cover {
  position: relative;
  background:
    radial-gradient(120% 130% at 85% -20%, rgba(124, 165, 255, 0.30), transparent 55%),
    radial-gradient(110% 120% at 0% 125%, rgba(167, 139, 250, 0.22), transparent 60%),
    linear-gradient(160deg, #0e1526, #0a0e1a);
  border: 1px solid rgba(124, 165, 255, 0.16);
}
.sku-cover::before {
  content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    repeating-linear-gradient(0deg, rgba(148, 178, 255, 0.05) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(90deg, rgba(148, 178, 255, 0.05) 0 1px, transparent 1px 26px);
  mask-image: radial-gradient(90% 100% at 70% 0%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(90% 100% at 70% 0%, #000, transparent 75%);
}
.sku-cover::after {
  content: ''; position: absolute; right: -34px; top: -34px; width: 130px; height: 130px;
  border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(124, 165, 255, 0.35), transparent 68%);
  filter: blur(6px);
}
.sku-cover img {
  position: relative; z-index: 2;
  filter: brightness(1.14) saturate(1.14);
  mask-image: linear-gradient(180deg, #000 58%, rgba(0, 0, 0, 0.25) 88%, transparent);
  -webkit-mask-image: linear-gradient(180deg, #000 58%, rgba(0, 0, 0, 0.25) 88%, transparent);
}

/* --- 支柱视觉面板：提亮 + 光晕边框 + 标签漂浮 --- */
.pillar-visual {
  border-color: rgba(124, 165, 255, 0.24);
  box-shadow: 0 24px 70px -34px rgba(76, 141, 255, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.pillar-visual .pv-img { filter: brightness(1.24) saturate(1.2); }
.pillar-visual .pv-scrim {
  background: linear-gradient(200deg, rgba(5, 7, 13, 0.02), rgba(5, 7, 13, 0.32) 72%),
              radial-gradient(130% 90% at 50% 115%, rgba(5, 7, 13, 0.52), transparent 55%);
}
@keyframes chipFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.pillar-visual .chips > * { animation: chipFloat 6s ease-in-out infinite; }
.pillar-visual .chips > *:nth-child(2) { animation-delay: -1.6s; }
.pillar-visual .chips > *:nth-child(3) { animation-delay: -3.2s; }
.pillar-visual .chips > *:nth-child(4) { animation-delay: -4.8s; }
@media (prefers-reduced-motion: reduce) { .pillar-visual .chips > * { animation: none; } }

/* --- 卡片与按钮精修 --- */
.sku-card { transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease); }
.sku-card:hover {
  border-color: rgba(124, 165, 255, 0.42);
  box-shadow: 0 22px 55px -24px rgba(76, 141, 255, 0.4);
}
.btn-primary { box-shadow: 0 8px 26px -10px rgba(124, 165, 255, 0.65); }
.btn-primary:hover { box-shadow: 0 10px 32px -10px rgba(124, 165, 255, 0.8); }

/* --- 滚动条与焦点 --- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(124, 165, 255, 0.28); border-radius: 8px;
  border: 2px solid transparent; background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background-color: rgba(124, 165, 255, 0.45); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* --- 无封面商品卡：图标横幅兜底 --- */
.sku-cover-fallback { display: grid; place-items: center; }
.sku-cover-fallback .fc-ico {
  position: relative; z-index: 2; width: 62px; height: 62px; display: grid; place-items: center;
  color: #8db8ff; filter: drop-shadow(0 0 24px rgba(124, 165, 255, 0.65));
  transition: transform 0.35s var(--ease);
}
.sku-cover-fallback .fc-ico .icn { width: 62px; height: 62px; }
.sku-card:hover .sku-cover-fallback .fc-ico { transform: translateY(-3px) scale(1.06); }
.sku-badge { z-index: 5; }

/* ---------- 新闻动态 / 客户案例 ---------- */
.post-tabs { display: flex; gap: 10px; margin-bottom: 22px; flex-wrap: wrap; }
.post-tab { padding: 8px 18px; border: 1px solid var(--line); border-radius: 999px;
            font-size: 14px; color: var(--text-2); transition: color .2s, border-color .2s; }
.post-tab:hover { color: var(--text); border-color: var(--line-2); }
.post-tab.active { color: var(--text); border-color: var(--accent);
                   background: rgba(76, 141, 255, .1); }
.post-list { display: grid; gap: 14px; }
.post-item { padding: 22px 24px; }
.post-item h3 { font-size: 17px; margin-bottom: 8px; color: var(--text); }
.post-item p { font-size: 14px; line-height: 1.75; color: var(--text-2); }
.post-date { font-size: 12px; color: var(--muted); letter-spacing: .04em; margin-bottom: 6px; }
.post-tag { display: inline-block; font-size: 11.5px; color: var(--accent-2);
            border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px;
            margin-bottom: 8px; }

/* ---------- 营业执照公示弹窗 ---------- */
.lic-modal { width: 640px; }
.lic-info { display: grid; grid-template-columns: 1fr; gap: 7px; margin: 18px 0 20px;
  padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(255,255,255,.02); font-size: 13px; }
.lic-info > div { display: flex; gap: 12px; line-height: 1.65; }
.lic-info span { flex: none; width: 118px; color: var(--muted); }
.lic-info b { font-weight: 500; color: var(--text); }
.lic-imgwrap { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: #fff; max-height: 58vh; overflow-y: auto; }
.lic-imgwrap img { display: block; width: 100%; height: auto; }
.lic-note { margin-top: 14px; font-size: 12px; color: var(--muted); line-height: 1.7; }
.lic-note a { color: var(--accent-2); text-decoration: none; }
@media (max-width: 560px) { .lic-modal { padding: 24px 18px; } .lic-info span { width: 96px; } }