/* ==========================================================================
   超自然行动组 · 下载落地页  |  www.czr-app.cn
   配色：深墨夜 (night) + 朱砂红 (crimson) + 鎏金 (gold) + 玉青 (jade)
   ========================================================================== */

:root {
  /* 底色与表面 */
  --night: #0d0708;
  --night-2: #170b0c;
  --night-3: #240c0e;
  --surface: rgba(255, 244, 226, 0.045);
  --surface-2: rgba(255, 244, 226, 0.08);
  --line: rgba(216, 165, 64, 0.18);
  --line-strong: rgba(216, 165, 64, 0.4);

  /* 文字 */
  --ink: #f4e8d4;
  --ink-strong: #fff6e6;
  --muted: rgba(244, 232, 212, 0.66);
  --muted-2: rgba(244, 232, 212, 0.48);

  /* 主色 */
  --crimson: #a8171c;
  --crimson-lite: #d0352b;
  --crimson-deep: #6d0f13;
  --gold: #d8a540;
  --gold-lite: #f3d68c;
  --gold-deep: #8f6416;
  --jade: #2fae91;
  --amber: #e8a33d;

  --radius: 8px;
  --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.36);
  --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.58);
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
  --font-display: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", "SimSun", "NSimSun", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--night);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.container {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--night-3);
  color: var(--gold-lite);
  transform: translateY(-180%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease,
    background 0.2s ease;
}

.icon-button:hover {
  border-color: var(--gold);
  background: rgba(216, 165, 64, 0.12);
  color: var(--gold-lite);
  transform: translateY(-1px);
}

.icon-button svg,
.btn-download svg,
.btn-ghost svg,
.brand-icon,
.coming-soon svg,
.review-footnote svg,
.modal-placeholder-note svg,
.toast svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
}

/* ---------------------------------------------------------------- 顶部导航 */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 7, 8, 0.78);
  border-bottom: 1px solid rgba(216, 165, 64, 0.16);
  backdrop-filter: blur(16px);
}

.site-header.scrolled {
  background: rgba(11, 6, 7, 0.94);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.5);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-height: 44px;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(216, 165, 64, 0.45);
  box-shadow: 0 8px 22px rgba(168, 23, 28, 0.4);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--ink-strong);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.brand-name span {
  color: var(--gold);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a {
  position: relative;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
  transition: color 0.2s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--crimson-lite), var(--gold));
  opacity: 0;
  transform: scaleX(0.5);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.nav-links a:hover {
  color: var(--gold-lite);
}

.nav-links a:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  display: none;
}

/* -------------------------------------------------------------- 下载按钮 */

.btn-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 54px;
  padding: 13px 22px;
  border: 1px solid rgba(243, 214, 140, 0.45);
  border-radius: 10px;
  background: linear-gradient(120deg, var(--crimson-deep), var(--crimson) 46%, #c9301f 100%);
  color: #fff6e6;
  font-weight: 700;
  box-shadow: 0 14px 34px rgba(168, 23, 28, 0.42);
  cursor: pointer;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 44px rgba(200, 40, 30, 0.52);
}

.btn-download strong,
.btn-download small {
  display: block;
  line-height: 1.3;
  text-align: left;
}

.btn-download strong {
  color: var(--gold-lite);
}

.btn-download small {
  margin-top: 2px;
  font-size: 0.78rem;
  font-weight: 500;
  opacity: 0.86;
}

.btn-download--nav {
  min-height: 42px;
  padding: 9px 16px;
  font-size: 0.9rem;
  border-radius: var(--radius);
}

.btn-download--nav strong {
  color: inherit;
}

/* ------------------------------------------------------------------ Hero */

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(115% 85% at 10% -10%, rgba(168, 23, 28, 0.62) 0%, transparent 58%),
    radial-gradient(85% 75% at 92% 12%, rgba(216, 165, 64, 0.2) 0%, transparent 62%),
    linear-gradient(158deg, #1a090b 0%, #250c0e 46%, #0d0708 100%);
  color: #fff;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, rgba(243, 214, 140, 0.05) 0 1px, transparent 1px 16px),
    repeating-linear-gradient(-45deg, rgba(243, 214, 140, 0.035) 0 1px, transparent 1px 16px);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(13, 7, 8, 0.5), transparent 46%, rgba(109, 15, 19, 0.42));
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
  gap: 60px;
  min-height: 620px;
  padding-top: 72px;
  padding-bottom: 84px;
}

.hero-copy {
  max-width: 620px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 24px;
  padding: 8px 15px;
  border: 1px solid rgba(216, 165, 64, 0.42);
  border-radius: 999px;
  background: rgba(168, 23, 28, 0.26);
  color: var(--gold-lite);
  font-size: 0.88rem;
  font-weight: 600;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--crimson-lite);
  box-shadow: 0 0 0 4px rgba(208, 53, 43, 0.22);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 3px rgba(208, 53, 43, 0.22);
  }
  50% {
    box-shadow: 0 0 0 7px rgba(208, 53, 43, 0.08);
  }
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.9rem, 6.4vw, 4.9rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.02em;
  background: linear-gradient(100deg, #fff6e6 8%, #f3d68c 44%, #d8a540 72%, #c9301f 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-tagline {
  margin: 16px 0 0;
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--gold-lite);
  letter-spacing: 0.06em;
}

.hero-description {
  max-width: 560px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 1.03rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 34px;
}

.btn-download--primary {
  min-height: 66px;
  padding: 16px 26px;
  font-size: 1.05rem;
}

.btn-download--primary svg {
  width: 24px;
  height: 24px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 13px 20px;
  border: 1px solid rgba(243, 214, 140, 0.3);
  border-radius: 10px;
  background: rgba(243, 214, 140, 0.06);
  color: var(--ink-strong);
  font-weight: 600;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
}

.btn-ghost:hover {
  border-color: var(--gold);
  background: rgba(243, 214, 140, 0.14);
  transform: translateY(-2px);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 42px 0 0;
  padding-top: 24px;
  border-top: 1px solid rgba(216, 165, 64, 0.22);
}

.hero-meta div {
  min-width: 0;
}

.hero-meta dt {
  color: var(--muted-2);
  font-size: 0.8rem;
}

.hero-meta dd {
  margin: 3px 0 0;
  color: var(--gold-lite);
  font-size: 0.98rem;
  font-weight: 700;
}

/* ------------------------------------------------------- Hero 手机（横屏） */

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
}

.phone-shell {
  position: relative;
  width: 100%;
  max-width: 640px;
  aspect-ratio: 16 / 9;
  padding: 11px;
  border: 2px solid rgba(243, 214, 140, 0.38);
  border-radius: 30px;
  background: linear-gradient(160deg, rgba(243, 214, 140, 0.24), rgba(243, 214, 140, 0.05));
  box-shadow:
    0 40px 90px rgba(0, 0, 0, 0.62),
    inset 0 1px 0 rgba(255, 246, 230, 0.32);
}

.phone-screen {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 21px;
  background: #0d0708;
}

.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  filter: saturate(1.06) contrast(1.04);
  transition: opacity 0.9s ease;
}

.hero-slide.is-active {
  opacity: 1;
}

.phone-notch {
  position: absolute;
  top: 50%;
  left: 5px;
  z-index: 2;
  width: 4px;
  height: 22%;
  border-radius: 999px;
  background: rgba(255, 246, 230, 0.5);
  transform: translateY(-50%);
}

.screen-status {
  position: absolute;
  right: 14px;
  bottom: 12px;
  left: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid rgba(243, 214, 140, 0.26);
  border-radius: 999px;
  background: rgba(13, 7, 8, 0.74);
  color: #fff6e6;
  font-size: 0.78rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
}

.screen-status__label,
.screen-status__meta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  white-space: nowrap;
}

.screen-status__label b,
.screen-status__meta b {
  font-weight: 700;
}

.screen-status__label {
  overflow: hidden;
  text-overflow: ellipsis;
}

.screen-status svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  color: var(--gold);
}

.hero-dots {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex: 0 0 auto;
}

.hero-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(243, 214, 140, 0.34);
  cursor: pointer;
  transition:
    width 0.3s ease,
    background 0.3s ease;
}

.hero-dot:hover {
  background: rgba(243, 214, 140, 0.68);
}

.hero-dot.is-active {
  width: 22px;
  background: linear-gradient(90deg, var(--gold-lite), var(--gold));
}

.floating-chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 12px 16px;
  border: 1px solid rgba(216, 165, 64, 0.34);
  border-radius: 12px;
  background: rgba(23, 11, 12, 0.86);
  color: var(--ink-strong);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(12px);
}

.floating-chip svg {
  width: 22px;
  height: 22px;
  color: var(--gold);
}

.floating-chip strong {
  display: block;
  font-size: 0.95rem;
  line-height: 1.25;
  color: var(--gold-lite);
}

.floating-chip span {
  font-size: 0.78rem;
  color: var(--muted);
}

.chip-games {
  top: 0;
  right: -6px;
  animation: float 4.6s ease-in-out infinite;
}

.chip-speed {
  bottom: 0;
  left: -6px;
  animation: float 5.4s ease-in-out 0.8s infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

/* ------------------------------------------------------- 通用标题与标签 */

.section-heading {
  max-width: 730px;
  margin: 0 auto 58px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.22em;
}

.eyebrow::before,
.eyebrow::after {
  content: "";
  width: 22px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-deep));
}

.eyebrow::after {
  background: linear-gradient(90deg, var(--gold-deep), transparent);
}

.section-heading h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.45rem);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: 0.02em;
  color: var(--ink-strong);
}

.section-heading p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 1.02rem;
}

/* ---------------------------------------------------------------- 游戏亮点 */

.features {
  position: relative;
  padding: 104px 0;
  background:
    radial-gradient(80% 60% at 50% 0%, rgba(168, 23, 28, 0.16) 0%, transparent 70%),
    linear-gradient(180deg, #0f0809 0%, var(--night) 100%);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.feature-item {
  min-width: 0;
  padding: 30px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, rgba(255, 244, 226, 0.06), rgba(255, 244, 226, 0.02));
  box-shadow: var(--shadow-sm);
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    border-color 0.25s ease;
}

.feature-item:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  box-shadow: 0 24px 52px rgba(0, 0, 0, 0.5);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 22px;
  border: 1px solid rgba(216, 165, 64, 0.3);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(168, 23, 28, 0.4), rgba(216, 165, 64, 0.16));
  color: var(--gold-lite);
}

.feature-icon svg {
  width: 25px;
  height: 25px;
}

.feature-item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.14rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ink-strong);
}

.feature-item p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

/* ---------------------------------------------------------------- 实机画面 */

.preview {
  position: relative;
  padding: 104px 0 92px;
  background:
    radial-gradient(90% 70% at 100% 0%, rgba(216, 165, 64, 0.14) 0%, transparent 62%),
    linear-gradient(150deg, #1c0a0c 0%, #2a0e11 54%, #120708 100%);
  color: #fff;
}

.preview::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(135deg, rgba(243, 214, 140, 0.04) 0 1px, transparent 1px 18px);
  pointer-events: none;
}

.preview .container {
  position: relative;
  z-index: 1;
}

.section-heading--light .eyebrow {
  color: var(--gold-lite);
}

.section-heading--light h2 {
  color: var(--gold-lite);
}

.section-heading--light p {
  color: var(--muted);
}

.preview-scroller {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  scroll-snap-type: x mandatory;
}

.preview-item {
  position: relative;
  display: flex;
  flex-direction: column;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(216, 165, 64, 0.3);
  border-radius: 10px;
  background: linear-gradient(160deg, rgba(255, 244, 226, 0.07), rgba(255, 244, 226, 0.02));
  scroll-snap-align: start;
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.48);
}

.preview-item img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.5s ease;
}

.preview-item:hover img {
  transform: scale(1.04);
}

.preview-item figcaption {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 18px 22px 20px;
  border-top: 1px solid rgba(216, 165, 64, 0.2);
  background: linear-gradient(180deg, rgba(22, 11, 12, 0.96), rgba(13, 7, 8, 0.99));
  color: #fff;
}

.preview-item figcaption strong {
  font-family: var(--font-display);
  font-size: 1.14rem;
  letter-spacing: 0.03em;
  color: var(--gold-lite);
}

.preview-item figcaption span {
  color: var(--muted);
  font-size: 0.88rem;
}

.preview-controls {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
}

.preview-controls .icon-button {
  border-color: rgba(216, 165, 64, 0.3);
  background: rgba(255, 244, 226, 0.06);
  color: var(--ink);
}

.preview-controls .icon-button:hover {
  border-color: var(--gold);
  background: rgba(216, 165, 64, 0.16);
  color: var(--gold-lite);
}

/* ---------------------------------------------------------------- 玩家评价 */

.reviews {
  padding: 104px 0;
  background: linear-gradient(180deg, #120809 0%, #0d0708 100%);
}

.reviews-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  max-width: none;
  margin-bottom: 46px;
  text-align: left;
}

.reviews-heading .eyebrow::after {
  display: none;
}

.coming-soon {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 10px 15px;
  border: 1px solid rgba(216, 165, 64, 0.34);
  border-radius: 999px;
  background: rgba(216, 165, 64, 0.1);
  color: var(--gold-lite);
  font-size: 0.86rem;
  font-weight: 700;
}

.coming-soon svg {
  width: 17px;
  height: 17px;
}

.rating-summary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
  color: var(--muted);
}

.rating-summary strong {
  font-family: var(--font-display);
  color: var(--gold-lite);
  font-size: 2.6rem;
  line-height: 1;
}

.stars {
  display: inline-flex;
  gap: 4px;
  color: var(--amber);
}

.stars svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.stars--small svg {
  width: 17px;
  height: 17px;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.review-card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(255, 244, 226, 0.06), rgba(255, 244, 226, 0.02));
  box-shadow: var(--shadow-sm);
  transition:
    transform 0.25s ease,
    border-color 0.25s ease;
}

.review-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}

.review-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1px solid rgba(243, 214, 140, 0.36);
  color: var(--ink-strong);
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
}

.avatar--crimson {
  background: linear-gradient(135deg, var(--crimson-deep), var(--crimson-lite));
}

.avatar--gold {
  background: linear-gradient(135deg, var(--gold-deep), var(--gold));
}

.avatar--jade {
  background: linear-gradient(135deg, #146a58, var(--jade));
}

.review-top h3 {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.3;
  color: var(--ink-strong);
}

.review-top div > span {
  color: var(--muted-2);
  font-size: 0.78rem;
}

.review-badge {
  margin-left: auto;
  padding: 4px 9px;
  border: 1px solid rgba(216, 165, 64, 0.3);
  border-radius: 999px;
  background: rgba(216, 165, 64, 0.1);
  color: var(--gold);
  font-size: 0.74rem;
  font-weight: 700;
}

.review-card > p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.review-card .kw {
  color: var(--gold-lite);
  font-weight: 700;
  border-bottom: 1px dashed rgba(216, 165, 64, 0.5);
}

.review-keywords {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 32px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.review-keywords__label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex: 0 0 auto;
  color: var(--muted-2);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.review-keywords__label svg {
  width: 16px;
  height: 16px;
  color: var(--gold);
}

.review-keywords__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.review-keywords__list a {
  padding: 6px 13px;
  border: 1px solid rgba(216, 165, 64, 0.28);
  border-radius: 999px;
  background: rgba(216, 165, 64, 0.08);
  color: var(--gold-lite);
  font-size: 0.85rem;
  font-weight: 600;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
}

.review-keywords__list a:hover {
  border-color: var(--gold);
  background: rgba(216, 165, 64, 0.18);
  transform: translateY(-1px);
}

.review-invite {
  margin-top: 18px;
  padding: 26px 24px;
  border: 1px dashed rgba(216, 165, 64, 0.32);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(168, 23, 28, 0.2), rgba(255, 244, 226, 0.03));
  text-align: center;
}

.review-invite h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.14rem;
  letter-spacing: 0.03em;
  color: var(--gold-lite);
}

.review-invite p {
  max-width: 640px;
  margin: 10px auto 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* ---------------------------------------------------------------- 常见问题 */

.faq {
  padding: 104px 0;
  background:
    radial-gradient(70% 50% at 50% 100%, rgba(168, 23, 28, 0.18) 0%, transparent 70%),
    linear-gradient(180deg, #0d0708 0%, #130a0b 100%);
}

.faq-wrap {
  max-width: 880px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}

.faq-item[open] {
  border-color: var(--line-strong);
  background: var(--surface-2);
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  list-style: none;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink-strong);
  cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary svg {
  width: 19px;
  height: 19px;
  flex: 0 0 auto;
  color: var(--gold);
  transition: transform 0.25s ease;
}

.faq-item[open] summary svg {
  transform: rotate(180deg);
}

.faq-item p {
  margin: 0;
  padding: 0 22px 22px;
  color: var(--muted);
  font-size: 0.95rem;
}

/* -------------------------------------------------------------- 底部行动区 */

.cta {
  padding: 0 0 104px;
  background: #130a0b;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 48px 56px;
  border: 1px solid rgba(216, 165, 64, 0.34);
  border-radius: 12px;
  background:
    repeating-linear-gradient(135deg, rgba(243, 214, 140, 0.05) 0 1px, transparent 1px 16px),
    linear-gradient(120deg, var(--crimson-deep) 0%, #3b0f13 52%, #1b0a0c 100%);
  color: #fff;
  box-shadow: var(--shadow-lg);
}

.cta-copy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.9vw, 2.05rem);
  line-height: 1.28;
  letter-spacing: 0.02em;
  color: var(--gold-lite);
}

.cta-copy p {
  margin: 10px 0 0;
  color: var(--muted);
}

.eyebrow--light {
  color: var(--gold-lite);
}

.btn-download--light {
  flex: 0 0 auto;
  border-color: rgba(13, 7, 8, 0.24);
  background: linear-gradient(120deg, var(--gold-lite), var(--gold) 58%, #bf8a25);
  color: #2c1607;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.42);
}

.btn-download--light strong {
  color: #2c1607;
}

.btn-download--light small {
  color: rgba(44, 22, 7, 0.72);
  opacity: 1;
}

.btn-download--light:hover {
  box-shadow: 0 22px 52px rgba(0, 0, 0, 0.5);
}

/* ------------------------------------------------------------------ 页脚 */

.site-footer {
  padding: 64px 0 34px;
  background: #070304;
  border-top: 1px solid rgba(216, 165, 64, 0.14);
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 42px;
  border-bottom: 1px solid rgba(216, 165, 64, 0.14);
}

.footer-brand .brand-name {
  color: var(--ink-strong);
}

.footer-brand p {
  max-width: 340px;
  margin: 16px 0 0;
  font-size: 0.94rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.footer-links h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  color: var(--gold-lite);
  font-size: 1rem;
  letter-spacing: 0.06em;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.94rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--gold-lite);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-top: 26px;
  color: var(--muted-2);
  font-size: 0.86rem;
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom a {
  color: var(--gold);
}

.footer-note {
  max-width: 620px;
  text-align: right;
}

/* ------------------------------------------------------------------ 弹窗 */

.modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6, 3, 4, 0.76);
  opacity: 0;
  backdrop-filter: blur(4px);
  transition: opacity 0.22s ease;
}

.modal.open .modal-backdrop {
  opacity: 1;
}

.modal-panel {
  position: relative;
  z-index: 1;
  width: min(600px, 100%);
  max-height: 82vh;
  overflow-y: auto;
  padding: 40px;
  border: 1px solid rgba(216, 165, 64, 0.34);
  border-radius: 12px;
  background: linear-gradient(160deg, #1b0d0f, #0d0708);
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.62);
  opacity: 0;
  transform: translateY(14px) scale(0.98);
  transition:
    opacity 0.25s ease,
    transform 0.25s ease;
}

.modal.open .modal-panel {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
}

.modal-panel h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--gold-lite);
}

.modal-panel p {
  margin: 0 0 14px;
  color: var(--muted);
}

.modal-placeholder-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 20px 0 0;
  padding: 12px 14px;
  border: 1px solid rgba(216, 165, 64, 0.28);
  border-radius: var(--radius);
  background: rgba(216, 165, 64, 0.1);
  color: var(--gold-lite);
  font-size: 0.9rem;
}

/* ------------------------------------------------------------------ Toast */

.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  z-index: 400;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  max-width: calc(100vw - 40px);
  padding: 12px 18px;
  border: 1px solid rgba(216, 165, 64, 0.4);
  border-radius: 10px;
  background: rgba(23, 11, 12, 0.96);
  color: var(--ink-strong);
  font-size: 0.92rem;
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.55);
  opacity: 0;
  transform: translate(-50%, 18px);
  pointer-events: none;
  transition:
    opacity 0.25s ease,
    transform 0.25s ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.toast svg {
  width: 18px;
  height: 18px;
  color: var(--gold);
}

/* ------------------------------------------------------------ 响应式适配 */

@media (max-width: 1040px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 44px;
    padding-top: 56px;
    padding-bottom: 72px;
  }

  .hero-copy {
    max-width: none;
  }

  .hero-visual {
    min-height: 340px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .preview-scroller {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 14px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    background: rgba(19, 10, 11, 0.98);
    box-shadow: var(--shadow-lg);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 10px 12px;
    border-radius: var(--radius);
  }

  .nav-links a:hover {
    background: rgba(216, 165, 64, 0.1);
  }

  .nav-links a::after {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .btn-download--nav {
    display: none;
  }

  .reviews-heading {
    flex-direction: column;
    align-items: flex-start;
  }

  .review-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-note {
    max-width: none;
    text-align: left;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 18px;
  }

  .brand-name {
    font-size: 1.1rem;
  }

  .brand-icon {
    width: 38px;
    height: 38px;
  }

  .hero-grid {
    min-height: auto;
    padding-top: 40px;
    padding-bottom: 58px;
  }

  .hero h1 {
    font-size: 2.6rem;
  }

  .hero-tagline {
    font-size: 1.12rem;
    letter-spacing: 0.03em;
  }

  .hero-description {
    font-size: 0.97rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn-download,
  .hero-actions .btn-ghost {
    width: 100%;
  }

  .hero-meta {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 18px;
  }

  .hero-visual {
    min-height: 250px;
  }

  .phone-shell {
    padding: 7px;
    border-radius: 20px;
  }

  .phone-screen {
    border-radius: 14px;
  }

  .phone-notch {
    left: 3px;
    width: 3px;
  }

  .screen-status {
    right: 10px;
    bottom: 8px;
    left: 10px;
    padding: 6px 9px;
    font-size: 0.68rem;
  }

  .floating-chip {
    gap: 8px;
    padding: 8px 11px;
    border-radius: 10px;
  }

  .floating-chip svg {
    width: 17px;
    height: 17px;
  }

  .floating-chip strong {
    font-size: 0.82rem;
  }

  .floating-chip span {
    font-size: 0.68rem;
  }

  .chip-games {
    top: -8px;
    right: 0;
  }

  .chip-speed {
    bottom: -8px;
    left: 0;
  }

  .features,
  .preview,
  .reviews,
  .faq {
    padding: 76px 0;
  }

  .cta {
    padding-bottom: 76px;
  }

  .section-heading {
    margin-bottom: 38px;
  }

  .section-heading h2 {
    font-size: 1.62rem;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .preview-scroller {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 14px;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .preview-scroller::-webkit-scrollbar {
    display: none;
  }

  .preview-item {
    flex: 0 0 88%;
  }

  .preview-controls {
    justify-content: center;
  }

  .rating-summary {
    flex-wrap: wrap;
    gap: 12px;
  }

  .review-grid {
    grid-template-columns: 1fr;
  }

  .review-keywords {
    padding: 16px 18px;
  }

  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
    padding: 34px 24px;
  }

  .btn-download--light {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 22px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .modal-panel {
    padding: 30px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}