/* =========================================================
   NT美化 — ntmeihua.cn
   Original hand-written stylesheet
   ========================================================= */

*, *::before, *::after { box-sizing: border-box; }

:root {
  color-scheme: light;
  --bg: #fbf8ff;
  --bg-alt: #f2eaff;
  --surface: #ffffff;
  --surface-soft: #f8f2ff;
  --text: #1c1230;
  --muted: #665b7d;
  --line: #27183d;
  --line-soft: #e5daf4;
  --primary: #7c3aed;
  --primary-2: #a855f7;
  --primary-deep: #5b21b6;
  --cyan: #0891b2;
  --pink: #ec4899;
  --yellow: #fbbf24;
  --green: #10b981;
  --shadow: rgba(39, 24, 61, .12);
  --purple-shadow: rgba(124, 58, 237, .22);
  --pink-shadow: rgba(236, 72, 153, .22);
  --dot: rgba(39, 24, 61, .075);
  --header-bg: rgba(251, 248, 255, .86);
  --glow-a: rgba(168, 85, 247, .2);
  --glow-b: rgba(6, 182, 212, .13);
  --glow-c: rgba(236, 72, 153, .15);
  --window-bg: #0b0714;
  --window-bar: #151022;
  --window-text: #f2ebff;
  --radius: 24px;
  --container: 1160px;
  --font: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", Consolas, monospace;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #080511;
  --bg-alt: #10091f;
  --surface: #120b22;
  --surface-soft: #170e2b;
  --text: #f5f0ff;
  --muted: #b7a8d1;
  --line: #3b2a58;
  --line-soft: #281a3f;
  --primary: #a855f7;
  --primary-2: #c084fc;
  --primary-deep: #7c3aed;
  --cyan: #22d3ee;
  --pink: #f472b6;
  --yellow: #fde047;
  --green: #34d399;
  --shadow: rgba(0, 0, 0, .42);
  --purple-shadow: rgba(168, 85, 247, .28);
  --pink-shadow: rgba(244, 114, 182, .2);
  --dot: rgba(255, 255, 255, .055);
  --header-bg: rgba(8, 5, 17, .84);
  --glow-a: rgba(168, 85, 247, .22);
  --glow-b: rgba(34, 211, 238, .1);
  --glow-c: rgba(244, 114, 182, .13);
  --window-bg: #05030a;
  --window-bar: #0e0919;
  --window-text: #f2ebff;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background-color: var(--bg);
  background-image: radial-gradient(var(--dot) 1px, transparent 1px);
  background-size: 19px 19px;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  transition: background-color .25s ease, color .25s ease;
}

body.ntmeihua_modal-open,
body.ntmeihua_nav-open { overflow: hidden; }

img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
h1, h2, h3, p, ul, ol, figure { margin-top: 0; }
::selection { background: var(--primary); color: #fff; }

:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

[hidden] { display: none !important; }

.ntmeihua_container {
  width: min(var(--container), 100% - 48px);
  margin-inline: auto;
}

.ntmeihua_svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.ntmeihua_icon {
  width: 1.25em;
  height: 1.25em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ntmeihua_skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 300;
  padding: 10px 18px;
  border: 2px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-weight: 800;
  transform: translateY(-160%);
  transition: transform .2s ease;
}
.ntmeihua_skip-link:focus { transform: translateY(0); }

/* ---------- Header ---------- */
.ntmeihua_site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 2px solid var(--line);
  background: var(--header-bg);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
  transition: box-shadow .25s ease, background-color .25s ease;
}
.ntmeihua_site-header.ntmeihua_is-scrolled {
  box-shadow: 0 14px 38px rgba(31, 18, 51, .13);
}
[data-theme="dark"] .ntmeihua_site-header.ntmeihua_is-scrolled {
  box-shadow: 0 16px 44px rgba(0, 0, 0, .48);
}

.ntmeihua_header-inner {
  display: flex;
  align-items: center;
  gap: 26px;
  min-height: 78px;
}

.ntmeihua_brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: none;
  color: var(--text);
}
.ntmeihua_brand:hover { color: var(--text); }
.ntmeihua_brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  box-shadow: 3px 3px 0 var(--primary);
  transition: transform .25s cubic-bezier(.34, 1.56, .64, 1);
}
.ntmeihua_brand:hover .ntmeihua_brand-mark { transform: rotate(-4deg) scale(1.04); }
.ntmeihua_brand-copy { display: flex; flex-direction: column; line-height: 1.1; }
.ntmeihua_brand-copy strong { font-size: 1.2rem; font-weight: 900; letter-spacing: -.02em; }
.ntmeihua_brand-copy small {
  margin-top: 5px;
  color: var(--muted);
  font-size: .56rem;
  font-weight: 800;
  letter-spacing: .2em;
}

.ntmeihua_desktop-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}
.ntmeihua_desktop-nav a {
  position: relative;
  padding: 8px 0;
  color: var(--muted);
  font-size: .93rem;
  font-weight: 750;
  transition: color .18s ease;
}
.ntmeihua_desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 1px;
  width: 0;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--pink));
  transition: width .25s cubic-bezier(.34, 1.56, .64, 1);
}
.ntmeihua_desktop-nav a:hover,
.ntmeihua_desktop-nav a.ntmeihua_is-active { color: var(--text); }
.ntmeihua_desktop-nav a:hover::after,
.ntmeihua_desktop-nav a.ntmeihua_is-active::after { width: 100%; }

.ntmeihua_header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ntmeihua_icon-button {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 2px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  color: var(--text);
  box-shadow: 3px 3px 0 var(--shadow);
  cursor: pointer;
  transition: transform .2s cubic-bezier(.34, 1.56, .64, 1), box-shadow .2s ease, color .2s ease;
}
.ntmeihua_icon-button:hover {
  color: var(--primary);
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--purple-shadow);
}
.ntmeihua_icon-button:active { transform: translate(1px, 1px); box-shadow: 1px 1px 0 var(--shadow); }
.ntmeihua_icon-button .ntmeihua_icon { width: 21px; height: 21px; }
.ntmeihua_icon-sun { display: none; }
[data-theme="dark"] .ntmeihua_icon-sun { display: block; }
[data-theme="dark"] .ntmeihua_icon-moon { display: none; }

.ntmeihua_btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-height: 48px;
  padding: .7rem 1.35rem;
  border: 2px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 4px 4px 0 var(--purple-shadow);
  font-size: .95rem;
  font-weight: 850;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .22s cubic-bezier(.34, 1.56, .64, 1), box-shadow .2s ease, color .2s ease, background-color .2s ease;
}
.ntmeihua_btn:hover {
  color: var(--text);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--purple-shadow);
}
.ntmeihua_btn:active {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--purple-shadow);
}
.ntmeihua_btn .ntmeihua_icon { width: 19px; height: 19px; }
.ntmeihua_btn-primary {
  border-color: var(--line);
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  box-shadow: 4px 4px 0 var(--pink-shadow);
}
.ntmeihua_btn-primary:hover { color: #fff; box-shadow: 6px 6px 0 var(--pink-shadow); }
.ntmeihua_btn-ghost { background: var(--surface); color: var(--text); }
.ntmeihua_btn-header { min-height: 46px; padding-inline: 1.15rem; }
.ntmeihua_btn-lg { min-height: 56px; padding-inline: 1.55rem; font-size: 1.01rem; }
.ntmeihua_btn-block { width: 100%; }
.ntmeihua_btn-version {
  margin-left: .1rem;
  padding: .18rem .48rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, .18);
  font-family: var(--mono);
  font-size: .66rem;
  font-weight: 700;
}

.ntmeihua_menu-toggle { display: none; }
.ntmeihua_menu-toggle .ntmeihua_close-icon { display: none; }
.ntmeihua_menu-toggle[aria-expanded="true"] .ntmeihua_menu-icon { display: none; }
.ntmeihua_menu-toggle[aria-expanded="true"] .ntmeihua_close-icon { display: block; }

/* ---------- Mobile navigation ---------- */
.ntmeihua_mobile-nav {
  position: fixed;
  inset: 78px 0 0;
  z-index: 90;
}
.ntmeihua_mobile-nav-backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: rgba(14, 7, 26, .48);
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
  cursor: default;
}
.ntmeihua_mobile-nav-panel {
  position: absolute;
  top: 12px;
  right: 16px;
  width: min(350px, calc(100vw - 32px));
  max-height: calc(100vh - 104px);
  overflow-y: auto;
  padding: 24px;
  border: 2px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 8px 8px 0 var(--pink-shadow);
  animation: nav-in .26s cubic-bezier(.22, 1, .36, 1) both;
}
@keyframes nav-in {
  from { opacity: 0; transform: translateY(-10px) scale(.98); }
  to { opacity: 1; transform: none; }
}
.ntmeihua_mobile-nav-label {
  margin-bottom: 12px;
  color: var(--muted);
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .18em;
}
.ntmeihua_mobile-nav-panel > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 2px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 800;
}
.ntmeihua_mobile-nav-panel > a span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 600;
}
.ntmeihua_mobile-nav-panel > a:hover { color: var(--primary); }
.ntmeihua_mobile-nav-panel .ntmeihua_btn { margin-top: 22px; }
.ntmeihua_mobile-nav-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: .74rem;
  text-align: center;
}

/* ---------- Hero ---------- */
.ntmeihua_hero {
  position: relative;
  overflow: hidden;
  padding-top: 68px;
  border-bottom: 2px solid var(--line);
}
.ntmeihua_hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.ntmeihua_hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(30px);
}
.ntmeihua_hero-glow-a {
  top: -190px;
  right: -80px;
  width: 660px;
  height: 660px;
  background: radial-gradient(circle, var(--glow-a), transparent 68%);
}
.ntmeihua_hero-glow-b {
  bottom: -230px;
  left: -180px;
  width: 620px;
  height: 620px;
  background: radial-gradient(circle, var(--glow-b), transparent 68%);
}
.ntmeihua_hero-rays {
  position: absolute;
  top: -25%;
  right: -15%;
  width: 950px;
  height: 950px;
  background: repeating-conic-gradient(from 0deg at 50% 50%, transparent 0deg 8deg, var(--glow-c) 8deg 8.7deg);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 5%, transparent 66%);
  mask-image: radial-gradient(ellipse at 50% 40%, #000 5%, transparent 66%);
  opacity: .72;
}
.ntmeihua_hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--dot) 1px, transparent 1px),
    linear-gradient(to bottom, var(--dot) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 72%);
  mask-image: linear-gradient(to bottom, #000, transparent 72%);
  opacity: .55;
}

.ntmeihua_hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  align-items: center;
  gap: 52px;
  padding-bottom: 72px;
}

.ntmeihua_eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 7px 13px;
  border: 2px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  box-shadow: 3px 3px 0 var(--purple-shadow);
  color: var(--muted);
  font-size: .67rem;
  font-weight: 800;
  letter-spacing: .13em;
  line-height: 1;
}
.ntmeihua_live-dot {
  position: relative;
  display: inline-block;
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: var(--green);
}
.ntmeihua_live-dot::after {
  content: "";
  position: absolute;
  inset: -3px;
  border: 1px solid var(--green);
  border-radius: 50%;
  animation: live-pulse 2s ease-out infinite;
}
@keyframes live-pulse {
  0% { transform: scale(.7); opacity: .9; }
  70%, 100% { transform: scale(1.55); opacity: 0; }
}

.ntmeihua_badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 21px;
}
.ntmeihua_badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border: 2px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  box-shadow: 2px 2px 0 var(--shadow);
  font-size: .75rem;
  font-weight: 850;
  line-height: 1.4;
}
.ntmeihua_badge:nth-child(1) { color: var(--primary); }
.ntmeihua_badge:nth-child(2) { color: var(--pink); }
.ntmeihua_badge:nth-child(3) { color: var(--cyan); }

.ntmeihua_hero h1 {
  max-width: 12.5em;
  margin: 0 0 22px;
  font-size: clamp(2.55rem, 4.9vw, 4.1rem);
  font-weight: 900;
  letter-spacing: -.06em;
  line-height: 1.13;
  text-wrap: balance;
}
.ntmeihua_grad-text {
  background: linear-gradient(100deg, var(--primary) 4%, var(--pink) 55%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
[data-theme="dark"] .ntmeihua_grad-text {
  background: linear-gradient(100deg, #c084fc 4%, #f472b6 52%, #22d3ee 100%);
  -webkit-background-clip: text;
  background-clip: text;
}
.ntmeihua_hero-lead {
  max-width: 34rem;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.9;
}
.ntmeihua_hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}
.ntmeihua_trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: .82rem;
  font-weight: 650;
}
.ntmeihua_trust-list li { display: inline-flex; align-items: center; gap: 6px; }
.ntmeihua_trust-list .ntmeihua_icon { width: 15px; height: 15px; color: var(--green); stroke-width: 2.6; }

.ntmeihua_hero-visual {
  position: relative;
  justify-self: end;
  width: 100%;
  max-width: 566px;
}
.ntmeihua_preview-stage { position: relative; }

.ntmeihua_preview-window {
  position: relative;
  border: 3px solid var(--line);
  border-radius: 25px;
  background: var(--window-bg);
  box-shadow:
    12px 12px 0 var(--pink-shadow),
    0 34px 80px rgba(76, 29, 149, .24);
  overflow: hidden;
  transform: rotate(-1.2deg);
  transition: transform .4s cubic-bezier(.22, 1, .36, 1), box-shadow .4s ease;
}
.ntmeihua_preview-window:hover {
  transform: rotate(0deg) translateY(-3px);
  box-shadow:
    14px 14px 0 var(--pink-shadow),
    0 40px 90px rgba(76, 29, 149, .28);
}
[data-theme="dark"] .ntmeihua_preview-window {
  box-shadow:
    12px 12px 0 rgba(244, 114, 182, .18),
    0 34px 90px rgba(0, 0, 0, .55);
}

.ntmeihua_window-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 46px;
  padding: 0 14px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  background: var(--window-bar);
  color: var(--window-text);
}
.ntmeihua_window-dots { display: flex; gap: 5px; }
.ntmeihua_window-dots i {
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fb7185;
}
.ntmeihua_window-dots i:nth-child(2) { background: #fbbf24; }
.ntmeihua_window-dots i:nth-child(3) { background: #34d399; }
.ntmeihua_window-title {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  overflow: hidden;
  color: rgba(242, 235, 255, .8);
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .04em;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.ntmeihua_window-title .ntmeihua_live-dot { width: 5px; height: 5px; }
.ntmeihua_window-version {
  margin-left: auto;
  padding: 3px 8px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 999px;
  color: rgba(242, 235, 255, .75);
  font-family: var(--mono);
  font-size: .58rem;
}

.ntmeihua_carousel {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #07040d;
  touch-action: pan-y;
}
.ntmeihua_carousel-slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  transform: scale(1.035);
  transition: opacity .65s ease, transform 1.1s ease;
}
.ntmeihua_carousel-slide.ntmeihua_is-active {
  z-index: 1;
  opacity: 1;
  transform: scale(1);
}
.ntmeihua_carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  user-select: none;
  -webkit-user-drag: none;
}
.ntmeihua_scanlines {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: repeating-linear-gradient(to bottom, transparent 0 2px, rgba(255, 255, 255, .022) 2px 4px);
  pointer-events: none;
}
.ntmeihua_preview-caption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 48px 16px 14px;
  background: linear-gradient(to top, rgba(5, 3, 10, .9), transparent);
  color: #fff;
}
.ntmeihua_caption-label {
  padding: 3px 7px;
  border: 1px solid rgba(34, 211, 238, .45);
  border-radius: 4px;
  background: rgba(8, 145, 178, .28);
  color: #a5f3fc;
  font-family: var(--mono);
  font-size: .52rem;
  font-weight: 700;
  letter-spacing: .12em;
}
.ntmeihua_caption-text {
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .02em;
  text-shadow: 0 1px 8px rgba(0, 0, 0, .45);
}

.ntmeihua_carousel-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 48px;
  padding: 8px 15px;
  border-top: 1px solid rgba(255, 255, 255, .09);
  background: var(--window-bar);
}
.ntmeihua_carousel-dots { display: flex; align-items: center; gap: 6px; }
.ntmeihua_carousel-dot {
  width: 7px;
  height: 7px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, .35);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  transition: width .25s ease, background-color .2s ease, border-color .2s ease;
}
.ntmeihua_carousel-dot.ntmeihua_is-active {
  width: 22px;
  border-color: #22d3ee;
  background: linear-gradient(90deg, #a855f7, #22d3ee);
}
.ntmeihua_carousel-meta { display: flex; align-items: center; gap: 12px; }
.ntmeihua_carousel-count {
  color: rgba(242, 235, 255, .55);
  font-family: var(--mono);
  font-size: .6rem;
  letter-spacing: .08em;
}
.ntmeihua_carousel-count [data-current] { color: #fff; }
.ntmeihua_carousel-pause {
  display: grid;
  place-items: center;
  width: 27px;
  height: 27px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 50%;
  background: transparent;
  color: rgba(242, 235, 255, .7);
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease;
}
.ntmeihua_carousel-pause:hover { color: #fff; border-color: rgba(255, 255, 255, .5); }
.ntmeihua_carousel-pause .ntmeihua_icon { width: 11px; height: 11px; }
.ntmeihua_carousel-pause .ntmeihua_play-icon { display: none; }
.ntmeihua_carousel-pause.ntmeihua_is-paused .ntmeihua_pause-icon { display: none; }
.ntmeihua_carousel-pause.ntmeihua_is-paused .ntmeihua_play-icon { display: block; }

.ntmeihua_float-card {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  border: 2px solid var(--line);
  border-radius: 15px;
  background: var(--surface);
  box-shadow: 4px 4px 0 var(--purple-shadow);
  animation: float 6.5s ease-in-out infinite;
}
.ntmeihua_float-card-a { top: 42px; right: -24px; }
.ntmeihua_float-card-b { bottom: 70px; left: -30px; animation-delay: 1.4s; }
.ntmeihua_float-card strong { display: block; font-size: .72rem; font-weight: 850; line-height: 1.35; }
.ntmeihua_float-card small { display: block; margin-top: 1px; color: var(--muted); font-size: .58rem; line-height: 1.4; }
.ntmeihua_float-icon {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  flex: none;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--pink));
  color: #fff;
}
.ntmeihua_float-icon-cyan { background: linear-gradient(135deg, var(--cyan), var(--primary)); }
.ntmeihua_float-icon .ntmeihua_icon { width: 15px; height: 15px; stroke-width: 2.6; }
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-7px) rotate(1deg); }
}

.ntmeihua_deco-spark {
  position: absolute;
  z-index: 5;
  color: var(--yellow);
  filter: drop-shadow(2px 2px 0 var(--line));
}
.ntmeihua_deco-spark .ntmeihua_icon { width: 100%; height: 100%; fill: currentColor; stroke: currentColor; }
.ntmeihua_deco-spark-a { top: -22px; left: -18px; width: 38px; height: 38px; transform: rotate(-12deg); }
.ntmeihua_deco-spark-b { right: 8px; bottom: -17px; width: 25px; height: 25px; color: var(--pink); transform: rotate(14deg); }
.ntmeihua_deco-ring {
  position: absolute;
  top: -36px;
  right: 26px;
  width: 74px;
  height: 74px;
  border: 2px dashed var(--primary);
  border-radius: 50%;
  opacity: .3;
  animation: spin 22s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.ntmeihua_preview-note {
  margin: 20px 4px 0;
  color: var(--muted);
  font-size: .68rem;
  text-align: right;
}

.ntmeihua_hero-marquee {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border-top: 2px solid var(--line);
  background: var(--surface);
  padding: 11px 0;
}
.ntmeihua_marquee-track {
  display: flex;
  align-items: center;
  gap: 28px;
  width: max-content;
  animation: marquee 34s linear infinite;
}
.ntmeihua_marquee-track span {
  color: var(--text);
  font-size: .69rem;
  font-weight: 850;
  letter-spacing: .16em;
  white-space: nowrap;
}
.ntmeihua_marquee-track i { color: var(--pink); font-size: .7rem; font-style: normal; }
.ntmeihua_hero-marquee:hover .ntmeihua_marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Section basics ---------- */
.ntmeihua_section {
  position: relative;
  padding: 102px 0;
  border-bottom: 2px solid var(--line);
}
.ntmeihua_section-head {
  max-width: 720px;
  margin: 0 auto 52px;
  text-align: center;
}
.ntmeihua_section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 7px 13px;
  border: 2px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  box-shadow: 3px 3px 0 var(--purple-shadow);
  color: var(--muted);
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .14em;
  line-height: 1;
}
.ntmeihua_section-kicker > span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--pink));
}
.ntmeihua_section-head h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 4.2vw, 3.15rem);
  font-weight: 900;
  letter-spacing: -.05em;
  line-height: 1.2;
  text-wrap: balance;
}
.ntmeihua_section-head > p:last-child {
  max-width: 560px;
  margin: 0 auto;
  color: var(--muted);
  font-size: .98rem;
  line-height: 1.85;
}

/* ---------- Features ---------- */
.ntmeihua_features {
  background-color: var(--bg-alt);
  background-image:
    radial-gradient(var(--dot) 1px, transparent 1px),
    radial-gradient(ellipse at 15% 10%, var(--glow-a), transparent 40%);
  background-size: 19px 19px, auto;
}
.ntmeihua_feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.ntmeihua_feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 29px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 6px 6px 0 var(--shadow);
  transition: transform .3s cubic-bezier(.22, 1, .36, 1), box-shadow .3s ease;
  overflow: hidden;
}
.ntmeihua_feature-card::after {
  content: "";
  position: absolute;
  top: -70px;
  right: -70px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--glow-a), transparent 70%);
  pointer-events: none;
}
.ntmeihua_feature-card:hover {
  transform: translate(-3px, -4px);
  box-shadow: 9px 9px 0 var(--purple-shadow);
}
.ntmeihua_feature-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 25px;
}
.ntmeihua_feature-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 2px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  box-shadow: 3px 3px 0 var(--pink-shadow);
}
.ntmeihua_feature-icon .ntmeihua_icon { width: 26px; height: 26px; stroke-width: 1.9; }
.ntmeihua_feature-icon-pink { background: linear-gradient(135deg, var(--pink), #fb7185); }
.ntmeihua_feature-icon-cyan { background: linear-gradient(135deg, var(--cyan), #2563eb); }
.ntmeihua_feature-number {
  color: transparent;
  font-family: var(--mono);
  font-size: 2.15rem;
  font-weight: 800;
  line-height: 1;
  -webkit-text-stroke: 1.5px var(--line-soft);
  opacity: .8;
}
.ntmeihua_feature-card h3 {
  margin-bottom: 11px;
  font-size: 1.24rem;
  font-weight: 850;
  letter-spacing: -.025em;
  line-height: 1.4;
}
.ntmeihua_feature-card > p {
  margin-bottom: 22px;
  color: var(--muted);
  font-size: .94rem;
  line-height: 1.85;
}
.ntmeihua_feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: auto 0 0;
  padding: 0;
  list-style: none;
}
.ntmeihua_feature-tags li {
  padding: 3px 9px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: .68rem;
  font-weight: 650;
}
.ntmeihua_safety-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
  padding: 15px 20px;
  border: 2px dashed var(--line-soft);
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface) 65%, transparent);
  color: var(--muted);
  font-size: .83rem;
}
.ntmeihua_safety-strip .ntmeihua_icon { width: 22px; height: 22px; color: var(--primary); }
.ntmeihua_safety-strip p { margin: 0; }
.ntmeihua_safety-strip strong { margin-right: 5px; color: var(--text); }

/* ---------- FAQ ---------- */
.ntmeihua_faq-list {
  display: grid;
  gap: 13px;
  max-width: 870px;
  margin: 0 auto;
}
.ntmeihua_faq-item {
  border: 2px solid var(--line);
  border-radius: 19px;
  background: var(--surface);
  box-shadow: 4px 4px 0 var(--shadow);
  overflow: hidden;
  transition: border-color .2s ease, background-color .2s ease, box-shadow .2s ease;
}
.ntmeihua_faq-item[open] {
  border-color: color-mix(in srgb, var(--primary) 65%, var(--line));
  background: var(--surface-soft);
  box-shadow: 5px 5px 0 var(--purple-shadow);
}
.ntmeihua_faq-item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 15px;
  padding: 21px 23px;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.5;
}
.ntmeihua_faq-item summary::-webkit-details-marker { display: none; }
.ntmeihua_faq-index {
  display: inline-grid;
  place-items: center;
  min-width: 29px;
  height: 24px;
  padding-inline: 5px;
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  background: var(--surface);
  color: var(--primary);
  font-family: var(--mono);
  font-size: .6rem;
  font-weight: 700;
}
.ntmeihua_faq-icon {
  position: relative;
  width: 27px;
  height: 27px;
  flex: none;
  border: 2px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  transition: transform .25s cubic-bezier(.34, 1.56, .64, 1), background-color .2s ease;
}
.ntmeihua_faq-icon::before,
.ntmeihua_faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transform: translate(-50%, -50%);
  transition: transform .25s ease, background-color .2s ease;
}
.ntmeihua_faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.ntmeihua_faq-item[open] .ntmeihua_faq-icon {
  background: var(--primary);
  transform: rotate(180deg);
}
.ntmeihua_faq-item[open] .ntmeihua_faq-icon::before,
.ntmeihua_faq-item[open] .ntmeihua_faq-icon::after { background: #fff; }
.ntmeihua_faq-item[open] .ntmeihua_faq-icon::after { transform: translate(-50%, -50%) rotate(0); }
.ntmeihua_faq-answer {
  padding: 0 23px 22px 67px;
  animation: answer-in .28s ease both;
}
@keyframes answer-in {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: none; }
}
.ntmeihua_faq-answer p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.85;
}
.ntmeihua_faq-answer a { font-weight: 750; text-decoration: underline; text-underline-offset: 3px; }
.ntmeihua_faq-contact {
  margin: 28px 0 0;
  color: var(--muted);
  font-size: .85rem;
  text-align: center;
}
.ntmeihua_faq-contact a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 4px;
  color: var(--text);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: var(--primary);
  text-underline-offset: 4px;
}
.ntmeihua_faq-contact .ntmeihua_icon { width: 15px; height: 15px; }

/* ---------- CTA ---------- */
.ntmeihua_cta {
  position: relative;
  overflow: hidden;
  padding: 72px 0;
  border-bottom: 3px solid var(--line);
  background: linear-gradient(118deg, #4c1d95 0%, #7c3aed 46%, #db2777 100%);
  color: #fff;
}
.ntmeihua_cta-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, .12) 1px, transparent 1px);
  background-size: 18px 18px;
}
.ntmeihua_cta-orbit {
  position: absolute;
  top: -160px;
  right: 4%;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 50%;
  box-shadow: 0 0 0 60px rgba(255, 255, 255, .025), 0 0 0 120px rgba(255, 255, 255, .02);
}
.ntmeihua_cta-star {
  position: absolute;
  color: #fde047;
  font-size: 1.4rem;
  line-height: 1;
  text-shadow: 2px 2px 0 rgba(0, 0, 0, .18);
}
.ntmeihua_cta-star-a { top: 34px; right: 30%; }
.ntmeihua_cta-star-b { bottom: 40px; left: 8%; font-size: 1rem; }
.ntmeihua_cta-watermark {
  position: absolute;
  right: -10px;
  bottom: -105px;
  color: rgba(255, 255, 255, .055);
  font-family: var(--mono);
  font-size: 18rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.12em;
}
.ntmeihua_cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 38px;
}
.ntmeihua_cta-copy { max-width: 660px; }
.ntmeihua_cta-kicker {
  margin-bottom: 12px;
  color: rgba(255, 255, 255, .65);
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: .2em;
}
.ntmeihua_cta h2 {
  margin-bottom: 12px;
  color: #fff;
  font-size: clamp(2.05rem, 3.9vw, 3.3rem);
  font-weight: 900;
  letter-spacing: -.05em;
  line-height: 1.14;
  text-shadow: 0 2px 0 rgba(0, 0, 0, .12);
}
.ntmeihua_cta-copy > p:last-child {
  margin: 0;
  color: rgba(255, 255, 255, .8);
  font-size: .93rem;
}
.ntmeihua_cta-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  flex: none;
}
.ntmeihua_btn-light {
  border-color: var(--line);
  background: #fff;
  color: #4c1d95;
  box-shadow: 5px 5px 0 rgba(0, 0, 0, .26);
}
.ntmeihua_btn-light:hover {
  color: #4c1d95;
  box-shadow: 7px 7px 0 rgba(0, 0, 0, .3);
}
.ntmeihua_cta-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: rgba(255, 255, 255, .82);
  font-size: .8rem;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.ntmeihua_cta-link:hover { color: #fff; }
.ntmeihua_cta-link .ntmeihua_icon { width: 14px; height: 14px; }

/* ---------- Footer ---------- */
.ntmeihua_site-footer {
  padding: 46px 0 24px;
  background: var(--surface-soft);
}
.ntmeihua_footer-top {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.ntmeihua_footer-tagline {
  margin: 0;
  color: var(--muted);
  font-size: .86rem;
}
.ntmeihua_footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-left: auto;
}
.ntmeihua_footer-nav a {
  color: var(--muted);
  font-size: .84rem;
  font-weight: 700;
}
.ntmeihua_footer-nav a:hover { color: var(--primary); }
.ntmeihua_footer-bottom {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: .73rem;
  line-height: 1.75;
}
.ntmeihua_footer-bottom p { margin: 0; }
.ntmeihua_footer-bottom a { color: var(--muted); }
.ntmeihua_footer-bottom a:hover { color: var(--primary); }
.ntmeihua_footer-disclaimer { max-width: 700px; text-align: right; }

/* ---------- Download modal ---------- */
.ntmeihua_download-modal {
  width: min(560px, calc(100vw - 32px));
  max-width: none;
  max-height: calc(100vh - 32px);
  margin: auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  overflow: visible;
}
.ntmeihua_download-modal::backdrop {
  background: rgba(9, 4, 19, .62);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.ntmeihua_download-modal[open] { animation: modal-in .28s cubic-bezier(.22, 1, .36, 1) both; }
@keyframes modal-in {
  from { opacity: 0; transform: translateY(14px) scale(.97); }
  to { opacity: 1; transform: none; }
}
.ntmeihua_modal-panel {
  position: relative;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  padding: 30px;
  border: 3px solid var(--line);
  border-radius: 27px;
  background: var(--surface);
  box-shadow: 11px 11px 0 var(--pink-shadow);
}
.ntmeihua_modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 2px solid var(--line);
  border-radius: 50%;
  background: var(--surface-soft);
  color: var(--muted);
  cursor: pointer;
  transition: color .2s ease, transform .2s ease;
}
.ntmeihua_modal-close:hover { color: var(--text); transform: rotate(90deg); }
.ntmeihua_modal-close .ntmeihua_icon { width: 17px; height: 17px; }
.ntmeihua_modal-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
  padding-right: 38px;
}
.ntmeihua_modal-logo {
  width: 56px;
  height: 56px;
  flex: none;
  border-radius: 16px;
  box-shadow: 3px 3px 0 var(--primary);
}
.ntmeihua_modal-kicker {
  margin-bottom: 3px;
  color: var(--muted);
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .17em;
}
.ntmeihua_modal-head h2 {
  margin: 0;
  font-size: 1.42rem;
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: 1.3;
}
.ntmeihua_modal-subtitle {
  margin-bottom: 22px;
  color: var(--muted);
  font-size: .86rem;
  line-height: 1.75;
}
.ntmeihua_download-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
}
.ntmeihua_store-button {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 13px;
  border: 2px solid var(--line);
  border-radius: 16px;
  background: var(--surface-soft);
  color: var(--text);
  box-shadow: 3px 3px 0 var(--shadow);
  transition: transform .2s cubic-bezier(.34, 1.56, .64, 1), box-shadow .2s ease, border-color .2s ease;
}
.ntmeihua_store-button:hover {
  color: var(--text);
  border-color: var(--primary);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--purple-shadow);
}
.ntmeihua_store-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
}
.ntmeihua_store-icon-pink { background: linear-gradient(135deg, var(--pink), #fb7185); }
.ntmeihua_store-icon .ntmeihua_icon { width: 20px; height: 20px; }
.ntmeihua_store-text { display: flex; flex-direction: column; min-width: 0; line-height: 1.35; }
.ntmeihua_store-text strong { font-size: .85rem; font-weight: 850; }
.ntmeihua_store-text small { margin-top: 2px; color: var(--muted); font-size: .65rem; }
.ntmeihua_store-arrow { width: 16px; height: 16px; color: var(--muted); transition: transform .2s ease; }
.ntmeihua_store-button:hover .ntmeihua_store-arrow { color: var(--primary); transform: translateX(2px); }
.ntmeihua_modal-linkrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 18px;
  padding-top: 15px;
  border-top: 1px dashed var(--line-soft);
  color: var(--muted);
  font-size: .72rem;
}
.ntmeihua_modal-linkrow > span { display: inline-flex; align-items: center; gap: 5px; }
.ntmeihua_modal-linkrow .ntmeihua_icon { width: 14px; height: 14px; color: var(--green); }
.ntmeihua_modal-linkrow a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text);
  font-weight: 750;
}
.ntmeihua_modal-linkrow a:hover { color: var(--primary); }
.ntmeihua_modal-linkrow a .ntmeihua_icon { color: currentColor; }
.ntmeihua_modal-fineprint {
  margin: 18px 0 0;
  padding-top: 15px;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: .67rem;
  line-height: 1.7;
}
.ntmeihua_modal-fineprint a { font-weight: 700; text-decoration: underline; text-underline-offset: 2px; }


/* ---------- Portrait phone preview (NT美化 app screenshots) ---------- */
.ntmeihua_preview-stage {
  position: relative;
  display: flex;
  justify-content: center;
  padding: 10px 0 4px;
}
.ntmeihua_preview-stage::before {
  content: "";
  position: absolute;
  inset: 8% 3% 10%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--glow-a), transparent 68%);
  filter: blur(24px);
  pointer-events: none;
}
.ntmeihua_phone {
  position: relative;
  z-index: 1;
  width: min(330px, 100%);
  padding: 9px;
  border: 2px solid var(--line);
  border-radius: 46px;
  background: linear-gradient(160deg, #1b1030 0%, #06030c 66%);
  box-shadow:
    10px 10px 0 var(--pink-shadow),
    0 30px 70px rgba(76, 29, 149, .26);
  transform: rotate(-1deg);
  transition: transform .4s cubic-bezier(.22, 1, .36, 1), box-shadow .4s ease;
}
.ntmeihua_phone:hover {
  transform: rotate(0deg) translateY(-3px);
  box-shadow:
    12px 12px 0 var(--pink-shadow),
    0 36px 80px rgba(76, 29, 149, .3);
}
[data-theme="dark"] .ntmeihua_phone {
  box-shadow:
    10px 10px 0 rgba(244, 114, 182, .16),
    0 30px 80px rgba(0, 0, 0, .58);
}
.ntmeihua_phone::before,
.ntmeihua_phone::after {
  content: "";
  position: absolute;
  width: 3px;
  border-radius: 3px;
  background: #2a1a45;
}
.ntmeihua_phone::before {
  left: -5px;
  top: 116px;
  height: 54px;
  box-shadow: 0 70px 0 #2a1a45;
}
.ntmeihua_phone::after {
  right: -5px;
  top: 150px;
  height: 76px;
}
.ntmeihua_phone-camera {
  position: absolute;
  top: 17px;
  left: 50%;
  z-index: 8;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #0a0612;
  border: 1px solid rgba(255, 255, 255, .12);
  transform: translateX(-50%);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, .18);
}
.ntmeihua_phone-screen {
  position: relative;
  overflow: hidden;
  border-radius: 37px;
  background: #000;
}
.ntmeihua_phone .ntmeihua_carousel {
  aspect-ratio: 480 / 853;
  background: #000;
}
.ntmeihua_phone .ntmeihua_carousel-slide img {
  object-position: top center;
}
.ntmeihua_phone .ntmeihua_carousel-bar {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 6;
  min-height: 47px;
  padding: 20px 14px 13px;
  border-top: 0;
  background: linear-gradient(to top, rgba(5, 3, 10, .86), rgba(5, 3, 10, 0));
}
.ntmeihua_phone .ntmeihua_carousel-count {
  color: rgba(255, 255, 255, .58);
  text-shadow: 0 1px 6px rgba(0, 0, 0, .5);
}
.ntmeihua_phone .ntmeihua_preview-note {
  margin: 18px 0 0;
  text-align: center;
}
.ntmeihua_preview-note {
  margin: 18px 0 0;
  text-align: center;
}

/* ---------- Centered footer, matching the reference layout ---------- */
.ntmeihua_site-footer {
  padding: 38px 0 28px;
  border-top: 2px solid var(--line);
  background-color: var(--bg-alt);
  background-image: radial-gradient(var(--dot) 1px, transparent 1px);
  background-size: 12px 12px;
}
.ntmeihua_footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 13px;
  text-align: center;
}
.ntmeihua_footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 26px;
  margin: 0;
}
.ntmeihua_footer-nav a {
  color: var(--muted);
  font-size: .84rem;
  font-weight: 700;
}
.ntmeihua_footer-nav a:hover { color: var(--primary); }
.ntmeihua_footer-copy {
  margin: 0;
  color: var(--muted);
  font-size: .78rem;
}
.ntmeihua_footer-disclaimer {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: .65rem;
  line-height: 1.7;
  text-align: center;
  opacity: .88;
}

@media (max-width: 900px) {
  .ntmeihua_phone { width: min(320px, 88%); }
}
@media (max-width: 720px) {
  .ntmeihua_preview-stage { padding-top: 4px; }
  .ntmeihua_phone { width: min(298px, 88%); border-radius: 42px; box-shadow: 7px 7px 0 var(--pink-shadow), 0 24px 55px rgba(76, 29, 149, .24); }
  .ntmeihua_phone::before { left: -4px; top: 100px; height: 45px; box-shadow: 0 58px 0 #2a1a45; }
  .ntmeihua_phone::after { top: 130px; height: 64px; }
  .ntmeihua_phone-camera { top: 15px; width: 7px; height: 7px; }
  .ntmeihua_phone-screen { border-radius: 34px; }
  .ntmeihua_phone .ntmeihua_carousel-bar { min-height: 43px; padding: 18px 12px 11px; }
  .ntmeihua_footer-nav { gap: 8px 20px; }
  .ntmeihua_footer-copy { font-size: .74rem; }
  .ntmeihua_footer-disclaimer { font-size: .62rem; }
}
@media (max-width: 430px) {
  .ntmeihua_phone { width: min(276px, 90%); border-radius: 39px; padding: 8px; }
  .ntmeihua_phone-screen { border-radius: 31px; }
  .ntmeihua_phone .ntmeihua_carousel-bar { padding: 16px 11px 10px; }
}

/* ---------- Reveal ---------- */
[data-reveal] {
  opacity: 1;
  transform: none;
}
.ntmeihua_js [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .65s ease, transform .65s cubic-bezier(.22, 1, .36, 1);
  transition-delay: var(--reveal-delay, 0ms);
}
.ntmeihua_js [data-reveal].ntmeihua_is-revealed {
  opacity: 1;
  transform: none;
}

/* ---------- Legal / inner pages ---------- */
.ntmeihua_page-hero {
  position: relative;
  padding: 58px 0 40px;
  border-bottom: 2px solid var(--line);
  background:
    radial-gradient(ellipse at 85% 0%, var(--glow-a), transparent 45%),
    radial-gradient(var(--dot) 1px, transparent 1px),
    var(--bg-alt);
  background-size: auto, 19px 19px, auto;
  overflow: hidden;
}
.ntmeihua_breadcrumb {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: .73rem;
  font-weight: 650;
}
.ntmeihua_breadcrumb a { color: var(--muted); }
.ntmeihua_breadcrumb a:hover { color: var(--primary); }
.ntmeihua_breadcrumb .ntmeihua_icon { width: 12px; height: 12px; }
.ntmeihua_page-hero h1 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 4.3vw, 3.1rem);
  font-weight: 900;
  letter-spacing: -.05em;
  line-height: 1.2;
}
.ntmeihua_page-hero p {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  font-size: .94rem;
  line-height: 1.8;
}
.ntmeihua_page-meta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px !important;
  padding: 5px 10px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted) !important;
  font-family: var(--mono);
  font-size: .64rem !important;
}
.ntmeihua_page-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  align-items: start;
  gap: 40px;
  padding: 52px 0 88px;
}
.ntmeihua_page-aside {
  position: sticky;
  top: 104px;
  padding: 20px;
  border: 2px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 4px 4px 0 var(--shadow);
}
.ntmeihua_page-aside p {
  margin-bottom: 12px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: .58rem;
  font-weight: 700;
  letter-spacing: .14em;
}
.ntmeihua_page-aside nav { display: grid; gap: 2px; }
.ntmeihua_page-aside a {
  padding: 7px 8px;
  border-radius: 6px;
  color: var(--muted);
  font-size: .79rem;
  font-weight: 650;
}
.ntmeihua_page-aside a:hover { background: var(--surface-soft); color: var(--primary); }
.ntmeihua_page-aside .ntmeihua_aside-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 100%;
  margin-top: 14px;
  padding: 9px;
  border: 2px solid var(--line);
  border-radius: 9px;
  background: var(--primary);
  color: #fff;
  font-size: .75rem;
  font-weight: 800;
  box-shadow: 2px 2px 0 var(--pink-shadow);
}
.ntmeihua_page-aside .ntmeihua_aside-download:hover { background: var(--primary-deep); color: #fff; }
.ntmeihua_legal-card {
  padding: 38px;
  border: 2px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 6px 6px 0 var(--shadow);
}
.ntmeihua_prose { color: var(--text); font-size: .93rem; line-height: 1.9; }
.ntmeihua_prose > *:first-child { margin-top: 0; }
.ntmeihua_prose > *:last-child { margin-bottom: 0; }
.ntmeihua_prose h2 {
  margin: 34px 0 12px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 1.25rem;
  font-weight: 850;
  letter-spacing: -.02em;
  line-height: 1.45;
}
.ntmeihua_prose h2:first-of-type { margin-top: 0; }
.ntmeihua_prose h3 { margin: 24px 0 8px; font-size: 1.02rem; font-weight: 800; }
.ntmeihua_prose p { margin-bottom: 14px; color: var(--muted); }
.ntmeihua_prose ul, .ntmeihua_prose ol { margin: 0 0 16px; padding-left: 1.3rem; color: var(--muted); }
.ntmeihua_prose li { margin-bottom: 6px; }
.ntmeihua_prose strong { color: var(--text); }
.ntmeihua_prose a { font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.ntmeihua_prose .ntmeihua_notice {
  margin: 22px 0;
  padding: 15px 18px;
  border: 1px solid var(--line-soft);
  border-left: 4px solid var(--primary);
  border-radius: 1px 12px 12px 1px;
  background: var(--surface-soft);
}
.ntmeihua_prose .ntmeihua_notice p { margin: 0; }

.ntmeihua_contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 26px 0;
}
.ntmeihua_contact-card {
  padding: 21px;
  border: 2px solid var(--line);
  border-radius: 17px;
  background: var(--surface-soft);
  box-shadow: 3px 3px 0 var(--shadow);
}
.ntmeihua_contact-card .ntmeihua_icon { width: 23px; height: 23px; margin-bottom: 11px; color: var(--primary); }
.ntmeihua_contact-card h3 { margin-bottom: 5px; font-size: .94rem; font-weight: 800; }
.ntmeihua_contact-card p { margin: 0; color: var(--muted); font-size: .81rem; line-height: 1.7; }
.ntmeihua_contact-card a { font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

.ntmeihua_not-found {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 64vh;
  padding: 80px 0;
  text-align: center;
}
.ntmeihua_not-found-code {
  margin-bottom: 14px;
  color: transparent;
  font-family: var(--mono);
  font-size: clamp(5rem, 16vw, 10rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.1em;
  -webkit-text-stroke: 2px var(--primary);
  background: linear-gradient(100deg, var(--primary), var(--pink), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  opacity: .9;
}
.ntmeihua_not-found h1 { margin-bottom: 12px; font-size: clamp(1.7rem, 4vw, 2.6rem); font-weight: 900; letter-spacing: -.04em; }
.ntmeihua_not-found p { max-width: 440px; margin-bottom: 24px; color: var(--muted); font-size: .93rem; }
.ntmeihua_not-found-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .ntmeihua_desktop-nav { gap: 20px; }
  .ntmeihua_hero-inner { gap: 38px; }
  .ntmeihua_hero h1 { font-size: clamp(2.45rem, 5vw, 3.55rem); }
  .ntmeihua_float-card-a { right: -8px; }
  .ntmeihua_float-card-b { left: -12px; }
}

@media (max-width: 900px) {
  .ntmeihua_desktop-nav { display: none; }
  .ntmeihua_menu-toggle { display: inline-grid; }
  .ntmeihua_header-actions { margin-left: auto; }

  .ntmeihua_hero { padding-top: 48px; }
  .ntmeihua_hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 46px;
    padding-bottom: 56px;
  }
  .ntmeihua_hero-copy { max-width: 680px; }
  .ntmeihua_hero h1 { max-width: 14em; font-size: clamp(2.6rem, 6.8vw, 3.7rem); }
  .ntmeihua_hero-visual { justify-self: center; max-width: 610px; }
  .ntmeihua_hero-rays { right: -40%; }
  .ntmeihua_preview-note { text-align: center; }
  .ntmeihua_feature-grid { grid-template-columns: 1fr 1fr; }
  .ntmeihua_feature-card:last-child { grid-column: 1 / -1; }
  .ntmeihua_page-shell { grid-template-columns: 1fr; }
  .ntmeihua_page-aside { position: static; }
  .ntmeihua_page-aside nav { grid-template-columns: repeat(2, 1fr); }
  .ntmeihua_page-aside .ntmeihua_aside-download { width: auto; }
}

@media (max-width: 720px) {
  .ntmeihua_container { width: calc(100% - 32px); }
  html { scroll-padding-top: 88px; }
  .ntmeihua_header-inner { min-height: 70px; gap: 12px; }
  .ntmeihua_brand-mark { width: 42px; height: 42px; }
  .ntmeihua_brand-copy strong { font-size: 1.08rem; }
  .ntmeihua_brand-copy small { font-size: .51rem; }
  .ntmeihua_btn-header { display: none; }
  .ntmeihua_mobile-nav { inset: 70px 0 0; }
  .ntmeihua_icon-button { width: 42px; height: 42px; }
  .ntmeihua_header-actions { gap: 7px; }

  .ntmeihua_hero { padding-top: 42px; }
  .ntmeihua_eyebrow { margin-bottom: 15px; font-size: .6rem; }
  .ntmeihua_badge { font-size: .7rem; padding: 4px 10px; }
  .ntmeihua_hero h1 { font-size: clamp(2.15rem, 8.6vw, 3rem); letter-spacing: -.055em; }
  .ntmeihua_hero-lead { margin-bottom: 24px; font-size: .94rem; line-height: 1.8; }
  .ntmeihua_hero-actions { flex-direction: column; align-items: stretch; }
  .ntmeihua_hero-actions .ntmeihua_btn { width: 100%; }
  .ntmeihua_trust-list { gap: 8px 15px; font-size: .75rem; }
  .ntmeihua_hero-inner { gap: 40px; padding-bottom: 48px; }
  .ntmeihua_preview-window { transform: rotate(-.7deg); border-radius: 20px; }
  .ntmeihua_window-bar { height: 41px; padding-inline: 11px; }
  .ntmeihua_window-title { font-size: .58rem; }
  .ntmeihua_window-version { font-size: .52rem; }
  .ntmeihua_carousel-bar { min-height: 43px; padding: 6px 12px; }
  .ntmeihua_preview-caption { padding: 36px 12px 10px; }
  .ntmeihua_caption-text { font-size: .66rem; }
  .ntmeihua_float-card { padding: 7px 9px; border-radius: 12px; }
  .ntmeihua_float-card-a { top: 30px; right: -8px; }
  .ntmeihua_float-card-b { bottom: 58px; left: -7px; }
  .ntmeihua_float-card strong { font-size: .64rem; }
  .ntmeihua_float-card small { font-size: .52rem; }
  .ntmeihua_float-icon { width: 26px; height: 26px; border-radius: 8px; }
  .ntmeihua_deco-spark-a { left: -9px; top: -18px; width: 31px; height: 31px; }
  .ntmeihua_deco-ring { top: -27px; right: 10px; width: 58px; height: 58px; }
  .ntmeihua_preview-note { font-size: .62rem; }
  .ntmeihua_marquee-track { gap: 22px; }
  .ntmeihua_marquee-track span { font-size: .62rem; }

  .ntmeihua_section { padding: 72px 0; }
  .ntmeihua_section-head { margin-bottom: 36px; }
  .ntmeihua_section-head h2 { font-size: clamp(1.75rem, 7vw, 2.45rem); }
  .ntmeihua_section-head > p:last-child { font-size: .9rem; }
  .ntmeihua_feature-grid { grid-template-columns: 1fr; }
  .ntmeihua_feature-card:last-child { grid-column: auto; }
  .ntmeihua_feature-card { padding: 24px; }
  .ntmeihua_feature-top { margin-bottom: 20px; }
  .ntmeihua_feature-icon { width: 52px; height: 52px; border-radius: 15px; }
  .ntmeihua_feature-card h3 { font-size: 1.16rem; }
  .ntmeihua_safety-strip { align-items: flex-start; padding: 14px 15px; font-size: .76rem; }

  .ntmeihua_faq-item summary { gap: 11px; padding: 17px 15px; font-size: .9rem; }
  .ntmeihua_faq-index { min-width: 25px; height: 21px; font-size: .54rem; }
  .ntmeihua_faq-icon { width: 24px; height: 24px; }
  .ntmeihua_faq-answer { padding: 0 15px 18px 51px; }
  .ntmeihua_faq-answer p { font-size: .86rem; }
  .ntmeihua_faq-contact { font-size: .79rem; }

  .ntmeihua_cta { padding: 54px 0; }
  .ntmeihua_cta-inner { flex-direction: column; align-items: flex-start; gap: 26px; }
  .ntmeihua_cta h2 { font-size: clamp(1.95rem, 7.4vw, 2.6rem); }
  .ntmeihua_cta-actions { align-items: flex-start; width: 100%; }
  .ntmeihua_cta-actions .ntmeihua_btn { width: 100%; }
  .ntmeihua_cta-watermark { font-size: 11rem; bottom: -65px; }
  .ntmeihua_cta-orbit { right: -30%; }

  .ntmeihua_site-footer { padding-top: 34px; }
  .ntmeihua_footer-top { align-items: flex-start; }
  .ntmeihua_footer-tagline { width: 100%; }
  .ntmeihua_footer-nav { margin-left: 0; gap: 10px 18px; }
  .ntmeihua_footer-bottom { flex-direction: column; gap: 12px; }
  .ntmeihua_footer-disclaimer { text-align: left; }

  .ntmeihua_modal-panel { padding: 23px; border-radius: 22px; box-shadow: 7px 7px 0 var(--pink-shadow); }
  .ntmeihua_modal-head { padding-right: 28px; }
  .ntmeihua_modal-logo { width: 48px; height: 48px; border-radius: 13px; }
  .ntmeihua_modal-head h2 { font-size: 1.24rem; }
  .ntmeihua_download-options { grid-template-columns: 1fr; }
  .ntmeihua_modal-linkrow { align-items: flex-start; flex-direction: column; gap: 8px; }
  .ntmeihua_modal-close { top: 13px; right: 13px; width: 34px; height: 34px; }

  .ntmeihua_page-hero { padding: 42px 0 32px; }
  .ntmeihua_page-shell { padding: 34px 0 64px; gap: 24px; }
  .ntmeihua_legal-card { padding: 24px; border-radius: 19px; }
  .ntmeihua_prose { font-size: .88rem; }
  .ntmeihua_contact-grid { grid-template-columns: 1fr; }
  .ntmeihua_page-aside nav { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 430px) {
  .ntmeihua_brand-copy small { display: none; }
  .ntmeihua_hero h1 { font-size: 2.08rem; }
  .ntmeihua_hero-actions .ntmeihua_btn-lg { min-height: 52px; font-size: .93rem; }
  .ntmeihua_badge-row { gap: 7px; }
  .ntmeihua_float-card-b { display: none; }
  .ntmeihua_float-card-a { top: 24px; }
  .ntmeihua_window-title { max-width: 160px; }
  .ntmeihua_cta-star-a { right: 12%; }
  .ntmeihua_footer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .ntmeihua_js [data-reveal] { opacity: 1; transform: none; }
}


/* ---------- Final alignment overrides ---------- */
.ntmeihua_phone {
  background: linear-gradient(160deg, #ffffff 0%, var(--surface-soft) 100%);
  border-color: var(--line);
}
[data-theme="dark"] .ntmeihua_phone {
  background: linear-gradient(160deg, #1b1030 0%, #0b0614 100%);
}
.ntmeihua_phone::before,
.ntmeihua_phone::after {
  background: var(--line-soft);
}
.ntmeihua_phone::before { box-shadow: 0 70px 0 var(--line-soft); }
.ntmeihua_phone .ntmeihua_carousel-bar {
  border-radius: 0 0 35px 35px;
}
@media (max-width: 720px) {
  .ntmeihua_site-footer { padding: 32px 0 24px; }
  .ntmeihua_footer-inner { gap: 11px; }
  .ntmeihua_footer-disclaimer { text-align: center; }
  .ntmeihua_phone .ntmeihua_carousel-bar { border-radius: 0 0 32px 32px; }
}
@media (max-width: 430px) {
  .ntmeihua_phone .ntmeihua_carousel-bar { border-radius: 0 0 29px 29px; }
}


/* Footer: always one row of three links, as on the reference site. */
.ntmeihua_site-footer .ntmeihua_footer-nav {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: 18px;
  width: 100%;
  margin: 0;
}
.ntmeihua_site-footer .ntmeihua_footer-nav a {
  flex: none;
  white-space: nowrap;
}
@media (max-width: 430px) {
  .ntmeihua_site-footer .ntmeihua_footer-nav { gap: 14px; }
}


/* Compact phone mockup, proportioned like the reference hero. */
.ntmeihua_phone {
  width: min(250px, 100%);
  padding: 8px;
  border-radius: 40px;
}
.ntmeihua_phone-screen { border-radius: 32px; }
.ntmeihua_phone-camera { top: 14px; width: 6px; height: 6px; }
.ntmeihua_phone::before { left: -4px; top: 88px; height: 40px; box-shadow: 0 52px 0 var(--line-soft); }
.ntmeihua_phone::after { right: -4px; top: 112px; height: 56px; }
.ntmeihua_phone .ntmeihua_carousel-bar { border-radius: 0 0 30px 30px; }
@media (max-width: 900px) {
  .ntmeihua_phone { width: min(246px, 78%); }
}
@media (max-width: 720px) {
  .ntmeihua_phone { width: min(238px, 78%); }
  .ntmeihua_phone-screen { border-radius: 31px; }
  .ntmeihua_phone .ntmeihua_carousel-bar { border-radius: 0 0 29px 29px; }
}
@media (max-width: 430px) {
  .ntmeihua_phone { width: min(232px, 82%); }
}


/* Section marker bar and cleaner feature cards, matching the reference. */
.ntmeihua_section-deco {
  display: block;
  width: 84px;
  height: 10px;
  margin: 0 auto 18px;
  border: 2px solid var(--line);
  border-radius: 999px;
  background: repeating-linear-gradient(-45deg, var(--primary) 0 5px, var(--pink) 5px 10px, var(--yellow) 10px 15px);
  box-shadow: 3px 3px 0 var(--shadow);
}
.ntmeihua_feature-card { height: 100%; }
.ntmeihua_feature-top {
  justify-content: flex-start;
  margin-bottom: 20px;
}
.ntmeihua_feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--surface);
  color: var(--primary);
  box-shadow: 3px 3px 0 var(--shadow);
}
.ntmeihua_feature-icon-pink { background: var(--surface); color: var(--pink); }
.ntmeihua_feature-icon-cyan { background: var(--surface); color: var(--cyan); }
.ntmeihua_feature-icon .ntmeihua_icon { width: 23px; height: 23px; }
.ntmeihua_feature-card > p { margin-bottom: 0; }