/* ==========================================================
   binance-m.com.cn — 币安官网风格 · 深色黑金
   原创设计：深色黑金底 + 金色渐变，玻璃质感卡片
   ========================================================== */
:root {
  --ink: #181A20;
  --ink-2: #1E2329;
  --ink-3: #2B3139;
  --violet: #F0B90B;
  --cyan: #FCD535;
  --grad: linear-gradient(120deg, #F0B90B 0%, #FCD535 45%, #FFE28A 100%);
  --grad-soft: linear-gradient(120deg, rgba(240, 185, 11, .16), rgba(252, 213, 53, .12));
  --text: #EAECEF;
  --muted: #848E9C;
  --line: rgba(43, 49, 57, .9);
  --up: #0ECB81;
  --down: #F6465D;
  --r: 18px;
  --r-lg: 26px;
  --glow: 0 0 40px rgba(240, 185, 11, .35);
  --font-display: "Bahnschrift", "DIN Alternate", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-num: "SF Mono", Consolas, "Courier New", monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--ink);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px; line-height: 1.65; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
::selection { background: rgba(240, 185, 11, .4); }

/* 背景网格 */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(700px 420px at 12% -4%, rgba(240, 185, 11, .22), transparent 62%),
    radial-gradient(640px 400px at 92% 8%, rgba(252, 213, 53, .14), transparent 62%),
    radial-gradient(800px 600px at 50% 118%, rgba(255, 226, 138, .12), transparent 62%);
}
body::after {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(234, 236, 239, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(234, 236, 239, .05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 30%, transparent 78%);
}

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(18px);
  background: rgba(24, 26, 32, .72);
  border-bottom: 1px solid var(--line);
}
.nav-in {
  max-width: 1260px; margin: 0 auto; padding: 0 26px;
  height: 66px; display: flex; align-items: center; gap: 38px;
}
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 800; font-size: 19px; letter-spacing: .4px; }
.brand-orb {
  width: 30px; height: 30px; border-radius: 50%;
  background: conic-gradient(from 180deg, #F0B90B, #FFE28A, #FCD535, #F0B90B);
  box-shadow: 0 0 18px rgba(240, 185, 11, .8);
  display: grid; place-items: center; color: #181A20; font-size: 14px; font-weight: 900;
}
.menu { display: flex; gap: 6px; flex: 1; }
.menu a {
  padding: 9px 18px; border-radius: 999px; color: var(--muted);
  font-size: 14px; transition: all .24s;
}
.menu a:hover { color: var(--text); background: rgba(240, 185, 11, .14); }
.menu a.on {
  color: #FCD535;
  background: var(--grad-soft);
  border: 1px solid rgba(240, 185, 11, .4);
  text-shadow: 0 0 12px rgba(255, 226, 138, .8);
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; cursor: pointer; border-radius: 999px;
  font-size: 14px; font-weight: 700; padding: 12px 26px;
  transition: all .24s; font-family: inherit;
}
.btn-neon {
  color: #181A20;
  background: linear-gradient(120deg, #F0B90B, #FCD535 50%, #FFE28A);
  background-size: 180% 100%;
  box-shadow: 0 8px 30px rgba(240, 185, 11, .45), inset 0 0 0 1px rgba(255, 255, 255, .16);
}
.btn-neon:hover { background-position: 100% 0; transform: translateY(-2px); box-shadow: 0 14px 40px rgba(240, 185, 11, .6); }
.btn-line {
  color: var(--text); background: rgba(240, 185, 11, .08);
  border: 1px solid rgba(240, 185, 11, .45);
}
.btn-line:hover { background: rgba(240, 185, 11, .2); box-shadow: var(--glow); }
.btn-mini { padding: 9px 20px; font-size: 13px; }

/* ---------- Hero（错位不对称） ---------- */
.hero { position: relative; max-width: 1260px; margin: 0 auto; padding: 76px 26px 40px; display: grid; grid-template-columns: 1.06fr .94fr; gap: 40px; align-items: center; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; letter-spacing: 2.4px; font-weight: 700; text-transform: uppercase;
  color: #FCD535; margin-bottom: 22px;
}
.kicker::before { content: ""; width: 26px; height: 2px; background: var(--grad); border-radius: 2px; }
.hero h1 {
  font-family: var(--font-display);
  font-size: 58px; line-height: 1.12; font-weight: 800; letter-spacing: -.8px;
  margin-bottom: 22px;
}
.hero h1 .neon {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 22px rgba(240, 185, 11, .55));
}
.hero-sub { color: var(--muted); font-size: 16.5px; max-width: 470px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 14px; margin-bottom: 42px; }
.hero-figures { display: flex; gap: 44px; }
.figure b { display: block; font-family: var(--font-num); font-size: 26px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.figure span { font-size: 12.5px; color: var(--muted); }

/* 浮动行情卡组 */
.float-deck { position: relative; height: 430px; }
.glass {
  background: linear-gradient(155deg, rgba(30, 35, 41, .88), rgba(24, 26, 32, .82));
  border: 1px solid rgba(240, 185, 11, .28);
  border-radius: var(--r-lg);
  backdrop-filter: blur(14px);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .5), inset 0 1px 0 rgba(255, 255, 255, .06);
}
.float-main { position: absolute; inset: 26px 30px 70px 0; padding: 26px; }
.float-main::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(140deg, rgba(240, 185, 11, .75), rgba(252, 213, 53, .28), transparent 55%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
.fm-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.fm-top .name { font-weight: 700; font-size: 15px; }
.live-dot { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--up); }
.live-dot i { width: 7px; height: 7px; border-radius: 50%; background: var(--up); box-shadow: 0 0 10px var(--up); animation: blink 1.4s ease infinite; }
@keyframes blink { 50% { opacity: .35; } }
.fm-price { font-family: var(--font-num); font-size: 38px; font-weight: 800; letter-spacing: -.5px; }
.fm-chg { font-family: var(--font-num); font-size: 13.5px; margin-bottom: 18px; }
.fm-chg.up { color: var(--up); } .fm-chg.down { color: var(--down); }
.fm-chart { height: 130px; }
.fm-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 18px; }
.fm-cell { background: rgba(240, 185, 11, .09); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; }
.fm-cell span { font-size: 11px; color: var(--muted); display: block; }
.fm-cell b { font-family: var(--font-num); font-size: 14px; }
.float-chip {
  position: absolute; padding: 12px 18px; border-radius: 16px;
  display: flex; align-items: center; gap: 10px; font-family: var(--font-num);
  background: rgba(24, 26, 32, .92); border: 1px solid rgba(252, 213, 53, .35);
  box-shadow: 0 18px 44px rgba(0, 0, 0, .5), 0 0 24px rgba(252, 213, 53, .18);
  animation: floaty 5s ease-in-out infinite;
}
.float-chip .ic { width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; font-weight: 800; font-size: 13px; color: #181A20; }
.float-chip small { display: block; font-size: 10.5px; color: var(--muted); font-family: inherit; }
.float-chip b { font-size: 13.5px; }
.chip-a { right: -6px; top: 6px; animation-delay: -1.2s; }
.chip-b { right: 34px; bottom: 4px; animation-delay: -2.6s; border-color: rgba(246, 70, 93, .4); box-shadow: 0 18px 44px rgba(0, 0, 0, .5), 0 0 24px rgba(246, 70, 93, .16); }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ---------- 行情滚动带 ---------- */
.tape { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(24, 26, 32, .6); overflow: hidden; }
.tape-row { display: flex; gap: 46px; padding: 13px 0; width: max-content; animation: tapeMove 42s linear infinite; }
.tape-row:hover { animation-play-state: paused; }
@keyframes tapeMove { to { transform: translateX(-50%); } }
.tape-cell { display: inline-flex; gap: 10px; align-items: baseline; font-family: var(--font-num); font-size: 13px; white-space: nowrap; }
.tape-cell .s { color: var(--muted); }
.tape-cell .u { color: var(--up); } .tape-cell .d { color: var(--down); }

/* ---------- 通用 ---------- */
.wrap { max-width: 1260px; margin: 0 auto; padding: 76px 26px; }
.head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.head h2 { font-family: var(--font-display); font-size: 36px; font-weight: 800; letter-spacing: -.4px; margin-bottom: 12px; }
.head p { color: var(--muted); }

/* 渐变描边卡片 */
.gcard { position: relative; border-radius: var(--r-lg); background: linear-gradient(165deg, rgba(30, 35, 41, .92), rgba(24, 26, 32, .9)); overflow: hidden; }
.gcard::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(150deg, rgba(240, 185, 11, .5), rgba(252, 213, 53, .12) 45%, rgba(240, 185, 11, .06) 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.trio-card { padding: 30px; transition: transform .3s, box-shadow .3s; }
.trio-card:hover { transform: translateY(-6px); box-shadow: 0 24px 60px rgba(240, 185, 11, .22); }
.trio-orb {
  width: 48px; height: 48px; border-radius: 15px; margin-bottom: 20px;
  display: grid; place-items: center; color: #181A20;
  background: var(--grad); box-shadow: 0 10px 26px rgba(240, 185, 11, .45);
}
.trio-card h3 { font-size: 18px; margin-bottom: 8px; }
.trio-card p { color: var(--muted); font-size: 13.5px; }
.trio-stat { margin-top: 18px; font-family: var(--font-num); font-size: 13px; color: #FCD535; }

/* ---------- 行情表 ---------- */
.board { border-radius: var(--r-lg); overflow: hidden; }
.board-bar { display: flex; gap: 12px; align-items: center; padding: 18px 22px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.scan {
  flex: 1; min-width: 210px; display: flex; gap: 10px; align-items: center;
  background: rgba(24, 26, 32, .6); border: 1px solid var(--line); border-radius: 999px; padding: 11px 18px;
  transition: all .2s;
}
.scan:focus-within { border-color: rgba(240, 185, 11, .65); box-shadow: 0 0 0 4px rgba(240, 185, 11, .14); }
.scan input { flex: 1; background: none; border: none; outline: none; color: var(--text); font-size: 13.5px; font-family: inherit; }
.pills { display: flex; gap: 8px; }
.pill-b {
  border: 1px solid var(--line); background: transparent; color: var(--muted);
  padding: 8px 18px; border-radius: 999px; font-size: 12.5px; cursor: pointer; font-family: inherit;
  transition: all .22s;
}
.pill-b:hover { color: #FCD535; border-color: rgba(240, 185, 11, .5); }
.pill-b.on { color: #FCD535; background: var(--grad-soft); border-color: rgba(240, 185, 11, .6); box-shadow: 0 0 18px rgba(240, 185, 11, .25); }
table.tb { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.tb th { text-align: right; padding: 13px 22px; font-size: 12px; color: var(--muted); font-weight: 600; border-bottom: 1px solid var(--line); white-space: nowrap; }
.tb th:first-child, .tb td:first-child { text-align: left; }
.tb td { text-align: right; padding: 14px 22px; border-bottom: 1px solid rgba(240, 185, 11, .09); font-family: var(--font-num); white-space: nowrap; }
.tb tbody tr { cursor: pointer; transition: background .18s; }
.tb tbody tr:hover { background: rgba(240, 185, 11, .07); }
.asset { display: inline-flex; gap: 12px; align-items: center; font-family: inherit; }
.asset .orb { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 800; color: #181A20; }
.asset b { display: block; }
.asset small { display: block; color: var(--muted); font-size: 11.5px; }
.gu { color: var(--up); } .gd { color: var(--down); }
.pcnt { display: inline-block; border-radius: 999px; padding: 4px 12px; font-size: 12.5px; font-family: var(--font-num); font-weight: 700; }
.pcnt.u { color: var(--up); background: rgba(14, 203, 129, .1); }
.pcnt.d { color: var(--down); background: rgba(246, 70, 93, .1); }

/* ---------- CTA 横幅 ---------- */
.cta-band { position: relative; max-width: 1260px; margin: 0 auto 8px; padding: 0 26px; }
.cta-in {
  position: relative; border-radius: 30px; padding: 58px 54px; overflow: hidden;
  background: linear-gradient(120deg, #D9A400 0%, #F0B90B 45%, #FCD535 100%);
  box-shadow: 0 34px 90px rgba(240, 185, 11, .32);
  display: grid; grid-template-columns: 1.3fr .7fr; gap: 36px; align-items: center;
}
.cta-in::before {
  content: ""; position: absolute; width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, rgba(24, 26, 32, .26), transparent 65%);
  top: -220px; right: -120px;
}
.cta-in::after {
  content: ""; position: absolute; width: 380px; height: 380px; border-radius: 50%;
  background: radial-gradient(circle, rgba(24, 26, 32, .3), transparent 65%);
  bottom: -230px; left: -80px;
}
.cta-in > * { position: relative; z-index: 1; }
.cta-in h2 { font-family: var(--font-display); font-size: 34px; font-weight: 800; margin-bottom: 12px; color: #181A20; }
.cta-in p { color: rgba(24, 26, 32, .78); margin-bottom: 26px; max-width: 480px; }
.cta-side { text-align: center; }
.cta-side .ringbig {
  width: 168px; height: 168px; border-radius: 50%; margin: 0 auto;
  background: rgba(24, 26, 32, .42); border: 1px solid rgba(24, 26, 32, .28);
  display: grid; place-items: center; padding: 18px; backdrop-filter: blur(6px);
}

/* ---------- 页脚 ---------- */
.foot { border-top: 1px solid var(--line); background: rgba(11, 14, 17, .8); margin-top: 80px; }
.foot-in { max-width: 1260px; margin: 0 auto; padding: 54px 26px 30px; display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 34px; }
.foot h4 { font-size: 14px; margin-bottom: 16px; color: #EAECEF; }
.foot li { margin-bottom: 10px; }
.foot li a { color: var(--muted); font-size: 13px; transition: color .2s; }
.foot li a:hover { color: var(--cyan); }
.foot .about { color: var(--muted); font-size: 13px; margin-top: 14px; max-width: 290px; }
.foot-base {
  border-top: 1px solid var(--line); max-width: 1260px; margin: 0 auto;
  padding: 20px 26px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  color: var(--muted); font-size: 12px;
}

/* ---------- 子页头 ---------- */
.ph { position: relative; text-align: center; padding: 66px 26px 18px; }
.ph .kicker { justify-content: center; }
.ph h1 { font-family: var(--font-display); font-size: 40px; font-weight: 800; letter-spacing: -.6px; margin-bottom: 10px; }
.ph h1 .neon { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; filter: drop-shadow(0 0 18px rgba(240, 185, 11, .5)); }
.ph p { color: var(--muted); }

/* ---------- 交易台 ---------- */
.desk { max-width: 1260px; margin: 30px auto 0; padding: 0 26px; display: grid; grid-template-columns: 250px 1fr 296px; gap: 18px; align-items: start; }
.pane { border-radius: var(--r); overflow: hidden; }
.pane-h { padding: 15px 18px; font-size: 13.5px; font-weight: 700; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; }
.pane-h small { color: var(--muted); font-weight: 500; }
.syms { max-height: 570px; overflow-y: auto; }
.sym-row { display: grid; grid-template-columns: 1fr auto; gap: 2px 8px; padding: 10px 16px; cursor: pointer; transition: background .16s; }
.sym-row:hover { background: rgba(240, 185, 11, .09); }
.sym-row.on { background: var(--grad-soft); box-shadow: inset 2px 0 0 var(--violet); }
.sym-row b { font-size: 13px; }
.sym-row .pr { font-family: var(--font-num); font-size: 12.5px; text-align: right; }
.sym-row .ch { grid-column: 2; text-align: right; font-family: var(--font-num); font-size: 11px; }
.desk-head { display: flex; align-items: center; gap: 22px; padding: 16px 20px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.desk-head .big { font-family: var(--font-num); font-size: 26px; font-weight: 800; }
.desk-head .meta { display: flex; gap: 18px; font-size: 12px; color: var(--muted); flex-wrap: wrap; }
.desk-head .meta b { color: var(--text); font-family: var(--font-num); font-weight: 600; }
#chart { display: block; width: 100%; }
.range-tabs { display: flex; gap: 6px; padding: 12px 20px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.range-tabs button {
  border: 1px solid var(--line); background: none; color: var(--muted);
  border-radius: 999px; padding: 6px 16px; font-size: 12px; cursor: pointer; font-family: inherit; transition: all .2s;
}
.range-tabs button:hover { color: #FCD535; }
.range-tabs button.on { background: var(--grad-soft); border-color: rgba(240, 185, 11, .6); color: #FCD535; }
.book { font-family: var(--font-num); font-size: 12px; padding: 8px 0; }
.brow { position: relative; display: grid; grid-template-columns: 1.2fr 1fr 1fr; padding: 3px 16px; }
.brow .fill { position: absolute; top: 1px; bottom: 1px; right: 0; border-radius: 2px; opacity: .13; }
.brow.ask .fill { background: var(--down); }
.brow.bid .fill { background: var(--up); }
.brow.ask span:first-child { color: var(--down); }
.brow.bid span:first-child { color: var(--up); }
.brow span:last-child { text-align: right; color: var(--muted); }
.book-mid { text-align: center; font-family: var(--font-num); font-size: 19px; font-weight: 800; padding: 9px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 6px 0; }
.order { padding: 16px; }
.mode2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 16px; }
.mode2 button {
  border: 1px solid var(--line); background: none; border-radius: 12px; padding: 11px;
  color: var(--muted); font-weight: 700; cursor: pointer; font-family: inherit; transition: all .22s; font-size: 13.5px;
}
.mode2 button.bu.on { background: rgba(14, 203, 129, .14); border-color: var(--up); color: var(--up); box-shadow: 0 0 18px rgba(14, 203, 129, .22); }
.mode2 button.se.on { background: rgba(246, 70, 93, .14); border-color: var(--down); color: var(--down); box-shadow: 0 0 18px rgba(246, 70, 93, .22); }
.inp { margin-bottom: 13px; }
.inp label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.inp .slot {
  display: flex; align-items: center; gap: 8px; padding: 12px 14px;
  background: rgba(24, 26, 32, .65); border: 1px solid var(--line); border-radius: 12px; transition: border-color .2s;
}
.inp .slot:focus-within { border-color: rgba(240, 185, 11, .7); }
.inp input { flex: 1; background: none; border: none; outline: none; color: var(--text); font-family: var(--font-num); font-size: 14px; font-weight: 600; }
.inp .tail { font-size: 12px; color: var(--muted); }
.lev { display: flex; align-items: center; gap: 12px; }
.lev input[type="range"] { flex: 1; accent-color: var(--violet); }
.pcts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 15px; }
.pcts button { border: 1px solid var(--line); background: none; color: var(--muted); border-radius: 10px; padding: 7px; font-size: 12px; cursor: pointer; font-family: inherit; transition: all .2s; }
.pcts button:hover { color: #FCD535; border-color: rgba(240, 185, 11, .5); }
.go {
  width: 100%; border: none; border-radius: 13px; padding: 14px;
  font-size: 15px; font-weight: 800; cursor: pointer; font-family: inherit; color: #FFFFFF;
  background: linear-gradient(120deg, #1FD598, #0ECB81);
  box-shadow: 0 12px 30px rgba(14, 203, 129, .32); transition: all .2s;
}
.go.trg {
  background: linear-gradient(120deg, #FF7285, #F6465D); color: #fff;
  box-shadow: 0 12px 30px rgba(246, 70, 93, .35);
}
.go:hover { filter: brightness(1.08); transform: translateY(-1px); }

/* ---------- 下载页 ---------- */
.dl-spread { max-width: 1260px; margin: 26px auto 0; padding: 0 26px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.dl-spread h2 { font-family: var(--font-display); font-size: 40px; font-weight: 800; letter-spacing: -.6px; margin-bottom: 14px; }
.dl-spread .lead { color: var(--muted); font-size: 16px; margin-bottom: 30px; max-width: 460px; }
.dl-steps { display: grid; gap: 14px; }
.step { display: flex; gap: 16px; padding: 18px; border-radius: var(--r); background: rgba(240, 185, 11, .06); border: 1px solid var(--line); }
.step .no {
  font-family: var(--font-num); font-weight: 800; font-size: 15px; color: #FCD535;
  width: 34px; height: 34px; flex: none; border-radius: 10px;
  background: var(--grad-soft); border: 1px solid rgba(240, 185, 11, .35);
  display: grid; place-items: center;
}
.step b { display: block; margin-bottom: 2px; }
.step p { color: var(--muted); font-size: 13px; }
.device-stage { position: relative; display: grid; place-items: center; padding: 20px; }
.halo { position: absolute; width: 330px; height: 330px; border-radius: 50%; background: conic-gradient(from 90deg, rgba(240, 185, 11, .5), rgba(252, 213, 53, .35), rgba(255, 226, 138, .5), rgba(240, 185, 11, .5)); filter: blur(58px); }
.device {
  position: relative; width: 250px; border-radius: 38px; padding: 11px;
  background: linear-gradient(160deg, #2B3139, #181A20);
  border: 1px solid rgba(240, 185, 11, .5);
  box-shadow: 0 40px 90px rgba(0, 0, 0, .6), 0 0 50px rgba(240, 185, 11, .3);
}
.device-scr { border-radius: 28px; background: linear-gradient(180deg, #1E2329, #0B0E11); padding: 20px 15px; border: 1px solid rgba(240, 185, 11, .2); }
.device .cam { width: 80px; height: 6px; border-radius: 999px; background: #2B3139; margin: 0 auto 16px; }
.qr-slot { width: 150px; margin: 22px auto 0; background: #fff; border-radius: 14px; padding: 12px; }
.dl-cta { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }

/* ---------- 响应 ---------- */
@media (max-width: 1100px) {
  .desk { grid-template-columns: 220px 1fr; }
  .desk .side-2 { grid-column: 1 / -1; }
  .hero { grid-template-columns: 1fr; }
  .float-deck { max-width: 560px; }
}
@media (max-width: 900px) {
  .menu { display: none; }
  .hero h1 { font-size: 40px; }
  .trio { grid-template-columns: 1fr; }
  .cta-in { grid-template-columns: 1fr; }
  .foot-in { grid-template-columns: 1fr 1fr; }
  .desk { grid-template-columns: 1fr; }
  .dl-spread { grid-template-columns: 1fr; }
  .tb th:nth-child(4), .tb td:nth-child(4),
  .tb th:nth-child(5), .tb td:nth-child(5) { display: none; }
}
@media (max-width: 560px) {
  .hero h1 { font-size: 32px; }
  .hero-figures { gap: 24px; }
  .figure b { font-size: 20px; }
  .foot-in { grid-template-columns: 1fr; }
  .float-deck { height: 380px; }
  .fm-price { font-size: 30px; }
}