/* ============================================================================
   ILUME GROUP · 全球贸易与数据中心生态系统 — 主页 v3 视觉层 (R70)
   作用域：body.v3
   设计目标：国际大平台气质 —— 深空蓝 × 数据青 × 礼金铜；玻璃拟态 + 精密网格
   约束：仅覆写与新增，不改 app.js 依赖的 DOM 结构
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
body.v3 {
  --v3-deep: #061527;
  --v3-deep2: #0b2440;
  --v3-deep3: #103458;
  --v3-cyan: #22d3ee;
  --v3-cyan-d: #0891b2;
  --v3-em: #10b981;
  --v3-violet: #8b5cf6;
  --v3-gold-l: #eed9a0;
  --v3-hair: rgba(255, 255, 255, .10);
  --v3-glass: rgba(255, 255, 255, .045);
  --v3-shadow: 0 20px 60px rgba(6, 21, 39, .10);
  --v3-shadow-s: 0 6px 22px rgba(6, 21, 39, .07);
  --v3-ease: cubic-bezier(.22, .61, .36, 1);

  background: #f5f8fc;
  color: #16273d;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}
body.v3 ::selection { background: rgba(34, 211, 238, .28); }
body.v3 .wrap { max-width: 1240px; }

/* ---------- 2. 顶栏 / 导航 升级 ---------- */
body.v3 .topbar {
  background: linear-gradient(90deg, #04101f, #0a2340 45%, #04101f);
  border-bottom: 1px solid rgba(34, 211, 238, .14);
  letter-spacing: .2px;
}
body.v3 .nav {
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid rgba(6, 21, 39, .07);
  box-shadow: 0 1px 0 rgba(6, 21, 39, .04), 0 8px 30px rgba(6, 21, 39, .05);
}
body.v3 .nav .wrap { height: 82px; }
body.v3 .logo .mark {
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, #0b2440 0%, #1d6fd1 55%, #22d3ee 100%);
  box-shadow: 0 6px 20px rgba(29, 111, 209, .35), inset 0 1px 0 rgba(255, 255, 255, .3);
  font-weight: 800; letter-spacing: .5px;
}
body.v3 .logo { font-size: 1.02rem; letter-spacing: .3px; }
body.v3 .nav .links > a { font-weight: 500; transition: color .16s var(--v3-ease); }
body.v3 .nav-hot {
  background: linear-gradient(135deg, #0e7490, #0b3d63) !important;
  color: #fff !important; font-weight: 700 !important;
  padding: 9px 16px !important; border-radius: 10px !important;
  box-shadow: 0 4px 14px rgba(14, 116, 144, .28);
}
body.v3 .nav-hot:hover { filter: brightness(1.12); transform: translateY(-1px); }
/* AI 导办导航入口 */
body.v3 .nav-ai {
  background: linear-gradient(135deg, #22d3ee, #1d6fd1) !important;
  color: #04121f !important; font-weight: 800 !important;
  padding: 9px 16px !important; border-radius: 10px !important;
  box-shadow: 0 4px 14px rgba(34, 211, 238, .32);
}
body.v3 .nav-ai:hover { filter: brightness(1.1); transform: translateY(-1px); color: #04121f !important; }
body.v3 .nav-ai::after {
  content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: #10b981; margin-left: 7px; vertical-align: middle;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, .25); animation: v3dot 2s ease-in-out infinite;
}
@keyframes v3dot { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
/* 移动端展开菜单 */
body.v3 .nav .links.mob-open {
  display: flex !important; position: absolute; top: 82px; left: 0; right: 0;
  flex-direction: column; align-items: stretch; gap: 4px;
  background: rgba(255, 255, 255, .98); backdrop-filter: blur(18px);
  padding: 16px 22px 20px; border-bottom: 1px solid #e7edf6;
  box-shadow: 0 20px 50px rgba(6, 21, 39, .18); max-height: 74vh; overflow: auto; z-index: 90;
}
body.v3 .nav .links.mob-open > a { padding: 11px 4px; border-bottom: 1px solid #f0f4f9; }
body.v3 .nav .links.mob-open .nav-ai, body.v3 .nav .links.mob-open .nav-hot { text-align: center; }
body.v3 .nav .links.mob-open .drop-panel {
  position: static; display: block; min-width: 0; box-shadow: none;
  border: 0; padding: 6px 0 6px 10px; grid-template-columns: 1fr;
}

/* ---------- 3. Hero v3：全球数据中枢 ---------- */
body.v3 .hero-royal {
  position: relative; overflow: hidden;
  padding: 96px 0 128px;
  border-top: 0;
  background:
    linear-gradient(150deg, #04101f 0%, #08213c 42%, #0d2f52 74%, #123c6a 100%);
}
/* 精密网格 */
body.v3 .hero-royal::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(120, 190, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 190, 255, .07) 1px, transparent 1px);
  background-size: 62px 62px, 62px 62px;
  mask-image: radial-gradient(ellipse 78% 70% at 62% 34%, #000 12%, transparent 76%);
  -webkit-mask-image: radial-gradient(ellipse 78% 70% at 62% 34%, #000 12%, transparent 76%);
}
/* 光晕层 */
body.v3 .hero-royal::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 760px 460px at 84% -6%, rgba(34, 211, 238, .20), transparent 62%),
    radial-gradient(ellipse 640px 420px at 8% 108%, rgba(29, 111, 209, .26), transparent 64%),
    radial-gradient(ellipse 420px 300px at 52% 96%, rgba(139, 92, 246, .14), transparent 70%);
}
body.v3 .hero-royal .wrap { position: relative; z-index: 2; }
body.v3 .hero-royal h1 {
  font-size: clamp(2.05rem, 4.6vw, 3.55rem);
  font-weight: 850; line-height: 1.2; letter-spacing: -.5px;
  text-shadow: 0 4px 34px rgba(0, 0, 0, .32);
}
body.v3 .hero-royal h1 span {
  background: linear-gradient(100deg, #ffffff 4%, #a9d4fb 42%, #22d3ee 66%, #eed9a0 98%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
body.v3 .hero-royal .kicker {
  background: rgba(34, 211, 238, .08);
  border: 1px solid rgba(34, 211, 238, .3);
  color: #a5ecf7; letter-spacing: 2.6px; font-weight: 600;
  box-shadow: 0 0 0 5px rgba(34, 211, 238, .05), inset 0 1px 0 rgba(255, 255, 255, .08);
}
body.v3 .hero-royal p.sub { color: #c3d8ee; max-width: 700px; font-size: 1.11rem; line-height: 1.78; }
body.v3 .hero-royal .btn.primary {
  background: linear-gradient(135deg, #eed9a0, #c9a24b);
  color: #1d1405; font-weight: 800;
  box-shadow: 0 12px 34px rgba(201, 162, 75, .34), inset 0 1px 0 rgba(255, 255, 255, .5);
}
body.v3 .hero-royal .btn.primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(201, 162, 75, .44); }
body.v3 .hero-royal .btn.ghost {
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .3);
  backdrop-filter: blur(8px);
}
/* Hero 数据条 */
.v3-hero-strip {
  display: flex; gap: 26px; flex-wrap: wrap; margin-top: 30px;
  padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .12);
}
.v3-hero-strip .it { min-width: 122px; }
.v3-hero-strip .it b {
  display: block; font-size: 1.5rem; font-weight: 800; letter-spacing: -.5px;
  background: linear-gradient(120deg, #ffffff, #8fd8ea 70%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.v3-hero-strip .it span { font-size: .78rem; color: #93b1cf; letter-spacing: .6px; }
body.v3 .hero .hl-row { margin-top: 46px; gap: 14px; }
body.v3 .hl {
  background: rgba(255, 255, 255, .055);
  border: 1px solid rgba(255, 255, 255, .13);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  transition: transform .2s var(--v3-ease), border-color .2s, background .2s;
  border-radius: 16px;
}
body.v3 .hl:hover {
  background: rgba(34, 211, 238, .10);
  border-color: rgba(34, 211, 238, .42);
  transform: translateY(-3px);
}
body.v3 .hl b { font-size: 1rem; letter-spacing: .2px; }
body.v3 .hl span { line-height: 1.65; }

/* ---------- 4. 统计条：玻璃悬浮 ---------- */
body.v3 .stats { margin-top: -58px; }
body.v3 .stats .grid {
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid rgba(255, 255, 255, .9);
  box-shadow: 0 24px 64px rgba(6, 21, 39, .13), inset 0 1px 0 #fff;
  border-radius: 20px; overflow: hidden;
}
body.v3 .stat { padding: 28px 20px; transition: background .2s var(--v3-ease); }
body.v3 .stat:hover { background: rgba(34, 211, 238, .06); }
body.v3 .stat .v {
  font-size: 2.05rem; letter-spacing: -1px;
  background: linear-gradient(135deg, #0b2440, #1d6fd1);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
body.v3 .stat .k { letter-spacing: .4px; }

/* ---------- 5. 区块标题精修 ---------- */
body.v3 section.block { padding: 82px 0 8px; }
body.v3 .sec-head h2 {
  font-size: 1.8rem; font-weight: 820; letter-spacing: -.4px; color: #0b2440;
  position: relative; padding-left: 16px;
}
body.v3 .sec-head h2::before {
  content: ""; position: absolute; left: 0; top: .22em; bottom: .22em; width: 4px;
  border-radius: 3px; background: linear-gradient(180deg, #22d3ee, #1d6fd1);
}
body.v3 .sec-head .en { letter-spacing: 2.2px; font-weight: 600; color: #8aa0b8; }
body.v3 .sec-head .more { font-weight: 600; }

/* ---------- 6. AI 总导办台（核心新增区块） ---------- */
.v3-desk-sec { padding: 74px 0 6px; }
.v3-desk-shell {
  position: relative; overflow: hidden; border-radius: 26px;
  background: linear-gradient(150deg, #061527 0%, #0a2340 46%, #0e3055 100%);
  box-shadow: 0 34px 90px rgba(6, 21, 39, .34), inset 0 1px 0 rgba(255, 255, 255, .08);
  border: 1px solid rgba(34, 211, 238, .16);
}
.v3-desk-shell::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 620px 340px at 88% -8%, rgba(34, 211, 238, .22), transparent 62%),
    radial-gradient(ellipse 520px 320px at 4% 108%, rgba(139, 92, 246, .18), transparent 66%);
}
.v3-desk-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.03fr 1fr; gap: 0;
}
.v3-desk-left { padding: 46px 44px; }
.v3-desk-right {
  padding: 40px 42px; border-left: 1px solid rgba(255, 255, 255, .09);
  background: rgba(255, 255, 255, .022);
  backdrop-filter: blur(6px);
}
.v3-desk-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 15px; border-radius: 999px; margin-bottom: 20px;
  background: rgba(34, 211, 238, .10); border: 1px solid rgba(34, 211, 238, .34);
  color: #a5ecf7; font-size: .76rem; font-weight: 700; letter-spacing: 1.6px;
}
.v3-desk-left h2 {
  color: #fff; font-size: clamp(1.5rem, 2.5vw, 2.1rem); font-weight: 850;
  line-height: 1.32; letter-spacing: -.4px; margin-bottom: 14px;
}
.v3-desk-left h2 em {
  font-style: normal;
  background: linear-gradient(100deg, #22d3ee, #eed9a0);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.v3-desk-left p { color: #a9c2da; font-size: .97rem; line-height: 1.8; max-width: 480px; }
.v3-desk-feats { display: grid; gap: 12px; margin-top: 26px; }
.v3-desk-feats .f {
  display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: start;
  color: #cfe0f2; font-size: .89rem; line-height: 1.6;
}
.v3-desk-feats .f i {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px;
  background: rgba(34, 211, 238, .11); border: 1px solid rgba(34, 211, 238, .26);
  font-style: normal; font-size: 1rem;
}
.v3-desk-feats .f b { color: #fff; font-weight: 700; }
/* 右侧：分步向导 */
.v3-desk-steps { display: flex; gap: 6px; margin-bottom: 22px; }
.v3-desk-steps .s {
  flex: 1; text-align: center; font-size: .72rem; color: #7f9cba; letter-spacing: .4px;
  padding-bottom: 9px; border-bottom: 2px solid rgba(255, 255, 255, .10);
  transition: .22s var(--v3-ease);
}
.v3-desk-steps .s.on { color: #22d3ee; border-color: #22d3ee; font-weight: 700; }
.v3-desk-steps .s.done { color: #10b981; border-color: rgba(16, 185, 129, .6); }
.v3-desk-form { display: grid; gap: 14px; }
.v3-field label { display: block; font-size: .77rem; color: #93b1cf; margin-bottom: 7px; letter-spacing: .4px; }
.v3-field input, .v3-field select, .v3-field textarea {
  width: 100%; border-radius: 12px; padding: 13px 15px; font-size: .92rem; font-family: inherit;
  background: rgba(255, 255, 255, .055); border: 1px solid rgba(255, 255, 255, .14);
  color: #eaf3fb; outline: none; transition: .18s var(--v3-ease);
}
.v3-field textarea { resize: vertical; min-height: 84px; line-height: 1.65; }
.v3-field input::placeholder, .v3-field textarea::placeholder { color: #6d8aa8; }
.v3-field input:focus, .v3-field select:focus, .v3-field textarea:focus {
  border-color: rgba(34, 211, 238, .6); background: rgba(34, 211, 238, .07);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, .10);
}
.v3-field select option { background: #0a2340; color: #eaf3fb; }
.v3-opts { display: flex; gap: 9px; flex-wrap: wrap; }
.v3-opt {
  padding: 9px 15px; border-radius: 11px; cursor: pointer; font-size: .84rem;
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .14);
  color: #cfe0f2; transition: .16s var(--v3-ease); user-select: none;
}
.v3-opt:hover { border-color: rgba(34, 211, 238, .45); transform: translateY(-1px); }
.v3-opt.on {
  background: linear-gradient(135deg, rgba(34, 211, 238, .22), rgba(29, 111, 209, .22));
  border-color: rgba(34, 211, 238, .68); color: #fff; font-weight: 700;
  box-shadow: 0 4px 16px rgba(34, 211, 238, .22);
}
.v3-acts { display: flex; gap: 11px; align-items: center; flex-wrap: wrap; margin-top: 4px; }
.v3-btn {
  border: 0; cursor: pointer; font-family: inherit; font-size: .92rem; font-weight: 700;
  padding: 13px 26px; border-radius: 12px; transition: .18s var(--v3-ease);
}
.v3-btn-main {
  background: linear-gradient(135deg, #22d3ee, #1d6fd1); color: #04121f;
  box-shadow: 0 10px 30px rgba(34, 211, 238, .3);
}
.v3-btn-main:hover { transform: translateY(-2px); box-shadow: 0 14px 38px rgba(34, 211, 238, .4); }
.v3-btn-main:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.v3-btn-ghost {
  background: rgba(255, 255, 255, .07); color: #cfe0f2;
  border: 1px solid rgba(255, 255, 255, .18);
}
.v3-btn-ghost:hover { background: rgba(255, 255, 255, .14); }
.v3-hint { font-size: .76rem; color: #7f9cba; line-height: 1.6; }
/* 结果卡 */
.v3-result {
  background: linear-gradient(140deg, rgba(16, 185, 129, .13), rgba(34, 211, 238, .09));
  border: 1px solid rgba(16, 185, 129, .36); border-radius: 16px; padding: 20px 22px;
  animation: v3pop .42s var(--v3-ease);
}
@keyframes v3pop { from { opacity: 0; transform: translateY(10px) scale(.985); } to { opacity: 1; transform: none; } }
.v3-result .no {
  font-size: 1.24rem; font-weight: 850; color: #6ee7b7; letter-spacing: 1.2px;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; word-break: break-all;
}
.v3-result .kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin-top: 14px; font-size: .86rem; }
.v3-result .kv b { color: #9fe8c8; font-weight: 700; white-space: nowrap; }
.v3-result .kv span { color: #d5e8f7; }
.v3-result .links { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.v3-result .links a {
  font-size: .84rem; font-weight: 700; padding: 9px 16px; border-radius: 10px;
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .22); color: #eaf3fb;
}
.v3-result .links a:hover { background: rgba(255, 255, 255, .2); }
.v3-result .links a.pri { background: linear-gradient(135deg, #eed9a0, #c9a24b); color: #1d1405; border: 0; }
/* 推荐 SKU */
.v3-sku { display: grid; gap: 8px; margin-top: 12px; }
.v3-sku .row {
  display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center;
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 11px; padding: 10px 14px; font-size: .85rem; color: #d5e8f7;
}
.v3-sku .row b { color: #eed9a0; font-weight: 800; white-space: nowrap; }
.v3-sku .row a {
  color: #22d3ee; font-weight: 700; white-space: nowrap; border-bottom: 1px dashed rgba(34, 211, 238, .45);
}
.v3-plan { display: grid; gap: 7px; margin-top: 12px; }
.v3-plan .p {
  display: grid; grid-template-columns: 24px 1fr; gap: 10px; align-items: start;
  font-size: .85rem; color: #cfe0f2; line-height: 1.6;
}
.v3-plan .p i {
  display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%;
  background: rgba(34, 211, 238, .16); color: #7fe3f5; font-style: normal;
  font-size: .74rem; font-weight: 800;
}
.v3-desk-msg { font-size: .84rem; margin-top: 10px; line-height: 1.6; }
.v3-desk-msg.err { color: #fda4af; }
.v3-desk-msg.ok { color: #6ee7b7; }

/* ---------- 7. 全球贸易 × 数据中心 生态系统 双轴 ---------- */
.v3-ecosys { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.v3-axis {
  border-radius: 20px; padding: 30px 30px 26px; position: relative; overflow: hidden;
  border: 1px solid rgba(6, 21, 39, .09); background: #fff;
  box-shadow: var(--v3-shadow-s); transition: .22s var(--v3-ease);
}
.v3-axis:hover { transform: translateY(-3px); box-shadow: var(--v3-shadow); }
.v3-axis::after {
  content: ""; position: absolute; right: -70px; top: -70px; width: 220px; height: 220px;
  border-radius: 50%; opacity: .1; pointer-events: none;
}
.v3-axis.trade::after { background: radial-gradient(circle, #1d6fd1, transparent 68%); }
.v3-axis.data::after { background: radial-gradient(circle, #10b981, transparent 68%); }
.v3-axis .ax-head { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.v3-axis .ax-head i {
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: 13px;
  font-style: normal; font-size: 1.2rem;
}
.v3-axis.trade .ax-head i { background: linear-gradient(135deg, #e8f1fb, #d3e6fa); }
.v3-axis.data .ax-head i { background: linear-gradient(135deg, #e3f8ef, #cdefe0); }
.v3-axis .ax-head b { font-size: 1.14rem; color: #0b2440; font-weight: 820; }
.v3-axis .ax-head small { display: block; font-size: .72rem; color: #8aa0b8; letter-spacing: 1.6px; font-weight: 600; }
.v3-axis .ax-sub { font-size: .88rem; color: #5b6b7c; line-height: 1.72; margin: 12px 0 18px; }
.v3-axis .ax-list { display: grid; gap: 9px; }
.v3-axis .ax-list a {
  display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center;
  padding: 12px 15px; border-radius: 12px; background: #f7fafd; border: 1px solid #e9eef5;
  font-size: .89rem; color: #16273d; transition: .16s var(--v3-ease);
}
.v3-axis .ax-list a:hover { background: #fff; border-color: #cfe0f5; transform: translateX(3px); }
.v3-axis .ax-list a b { font-weight: 700; color: #0b2440; }
.v3-axis .ax-list a span { font-size: .78rem; color: #7d8fa3; }
.v3-axis .ax-list a em { font-style: normal; color: #1d6fd1; font-weight: 700; font-size: .82rem; white-space: nowrap; }
.v3-axis .ax-foot { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; }
.v3-axis .ax-foot a {
  font-size: .84rem; font-weight: 700; padding: 9px 17px; border-radius: 10px;
  background: #0b2440; color: #fff;
}
.v3-axis .ax-foot a.alt { background: #eef4fb; color: #0b2440; }
.v3-axis .ax-foot a:hover { filter: brightness(1.1); }

/* ---------- 8. 卡片升温（覆写旧组件） ---------- */
body.v3 .duo .card, body.v3 .price, body.v3 .chain, body.v3 .ne-card,
body.v3 .corr a, body.v3 .trust-card, body.v3 .res-cell, body.v3 .mod {
  border-radius: 18px; border-color: #e7edf6;
  box-shadow: 0 2px 10px rgba(6, 21, 39, .04);
  transition: transform .2s var(--v3-ease), box-shadow .2s var(--v3-ease), border-color .18s;
}
body.v3 .duo .card:hover, body.v3 .price:hover, body.v3 .chain:hover,
body.v3 .ne-card:hover, body.v3 .corr a:hover, body.v3 .trust-card:hover,
body.v3 .mod:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 44px rgba(6, 21, 39, .10);
  border-color: #c5daf2;
}
body.v3 .mod .cat {
  background: #eef4fb; color: #1d6fd1; border-radius: 6px;
  padding: 3px 8px; display: inline-block; font-weight: 700;
}
body.v3 .price .p {
  background: linear-gradient(135deg, #1d6fd1, #22d3ee);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
body.v3 .mod-grid { grid-template-columns: repeat(4, 1fr); gap: 15px; }
body.v3 .corr { gap: 15px; }
body.v3 .intel { border-radius: 18px; box-shadow: var(--v3-shadow-s); }
body.v3 .ops-band {
  border-radius: 22px;
  background: linear-gradient(150deg, #061527, #0b2440 52%, #123c6a);
  box-shadow: 0 26px 70px rgba(6, 21, 39, .26);
  position: relative; overflow: hidden;
}
body.v3 .ops-band::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 520px 300px at 92% -10%, rgba(34, 211, 238, .18), transparent 64%);
}
body.v3 .mech { border-radius: 16px; }
body.v3 .lead-band { border-radius: 20px; box-shadow: var(--v3-shadow-s); }
body.v3 footer { margin-top: 92px; }

/* ---------- 9. 悬浮导办入口 ---------- */
#v3desk-fab {
  position: fixed; right: 18px; bottom: 96px; z-index: 9998;
  display: flex; align-items: center; gap: 9px;
  padding: 13px 20px; border-radius: 30px; border: 0; cursor: pointer;
  font-family: inherit; font-size: .92rem; font-weight: 800; color: #04121f;
  background: linear-gradient(135deg, #22d3ee, #38bdf8 55%, #eed9a0);
  box-shadow: 0 10px 32px rgba(34, 211, 238, .40);
  animation: v3fab 3.4s ease-in-out infinite;
}
#v3desk-fab:hover { transform: translateY(-2px) scale(1.02); }
@keyframes v3fab { 0%,100% { box-shadow: 0 10px 32px rgba(34,211,238,.38); } 50% { box-shadow: 0 14px 44px rgba(34,211,238,.62); } }

/* ---------- 10. 导办台全屏抽屉 ---------- */
#v3desk-modal {
  position: fixed; inset: 0; z-index: 100000; display: none;
  background: rgba(4, 14, 26, .62); backdrop-filter: blur(6px);
  align-items: center; justify-content: center; padding: 20px;
}
#v3desk-modal.open { display: flex; animation: v3fade .24s ease; }
@keyframes v3fade { from { opacity: 0; } to { opacity: 1; } }
#v3desk-modal .box {
  width: min(980px, 100%); max-height: 92vh; overflow: auto;
  border-radius: 24px; background: linear-gradient(150deg, #061527, #0a2340 48%, #0e3055);
  border: 1px solid rgba(34, 211, 238, .2);
  box-shadow: 0 40px 110px rgba(0, 0, 0, .55);
  animation: v3pop .32s var(--v3-ease);
}
#v3desk-modal .box .hd {
  display: flex; align-items: center; gap: 12px; padding: 20px 26px;
  border-bottom: 1px solid rgba(255, 255, 255, .09);
}
#v3desk-modal .box .hd b { color: #fff; font-size: 1.05rem; font-weight: 800; letter-spacing: .3px; }
#v3desk-modal .box .hd span { font-size: .76rem; color: #8fb3d0; letter-spacing: 1.4px; }
#v3desk-modal .box .hd .x {
  margin-left: auto; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .16);
  color: #cfe0f2; border-radius: 9px; width: 34px; height: 34px; cursor: pointer; font-size: 1.05rem;
}
#v3desk-modal .box .bd { padding: 26px; }

/* ---------- 11. 响应式 ---------- */
@media (max-width: 1080px) {
  .v3-desk-grid { grid-template-columns: 1fr; }
  .v3-desk-right { border-left: 0; border-top: 1px solid rgba(255, 255, 255, .09); }
  .v3-ecosys { grid-template-columns: 1fr; }
}
@media (max-width: 960px) {
  body.v3 .mod-grid { grid-template-columns: repeat(2, 1fr); }
  body.v3 .hero-royal { padding: 74px 0 108px; }
}
@media (max-width: 600px) {
  body.v3 .mod-grid { grid-template-columns: 1fr; }
  .v3-desk-left, .v3-desk-right { padding: 30px 22px; }
  .v3-hero-strip { gap: 16px; }
  .v3-hero-strip .it { min-width: 96px; }
  .v3-hero-strip .it b { font-size: 1.24rem; }
  #v3desk-fab { padding: 11px 16px; font-size: .84rem; bottom: 88px; }
  .v3-sku .row { grid-template-columns: 1fr; gap: 5px; }
}