/* ABOUTME: 《幻境纪元》预注册落地页主样式表（无外部依赖，纯原生 CSS） */
/* ABOUTME: 设计规范见 DESIGN.md —— 暗夜鎏金奇幻风，移动优先，640/1024 双断点响应式 */

/* ========== Design Tokens ========== */
:root {
  --primary-gold: #f59e0b;
  --primary-hover: #d97706;
  --bg-dark: #0f172a;
  --card-bg: rgba(30, 41, 59, 0.8);
  --text-main: #f8fafc;
  --text-sub: #94a3b8;
  --accent-cyan: #06b6d4;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --radius-card: 16px;
  --shadow-gold: 0 4px 20px rgba(245, 158, 11, 0.4);
  --container-sm: 480px;
  --container-md: 640px;
  --container-lg: 1080px;
}

/* ========== Reset & Base ========== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  overflow-x: hidden;
  padding-bottom: 84px;
  line-height: 1.5;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input {
  font-family: inherit;
}

.num {
  font-variant-numeric: tabular-nums;
}

/* ========== Hero 巨幕（背景层实机轮播） ========== */
.hero {
  position: relative;
  width: 100%;
  min-height: 88vh;
  background: var(--bg-dark);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  padding: 24px 20px 64px;
  text-align: center;
}

.hero-bg-carousel {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 1.2s var(--ease);
  will-change: opacity, transform;
}

.hero-bg-slide.active {
  opacity: 1;
  animation: heroKenBurns 8s var(--ease) forwards;
}

@keyframes heroKenBurns {
  from { transform: scale(1.08); }
  to { transform: scale(1.15); }
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(15, 23, 42, 0.55) 0%,
    rgba(15, 23, 42, 0.45) 40%,
    rgba(15, 23, 42, 0.72) 72%,
    var(--bg-dark) 100%
  );
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 480px;
}

.hero::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 120px;
  background: linear-gradient(180deg, transparent, var(--bg-dark));
  pointer-events: none;
  z-index: 1;
}

.game-logo {
  position: relative;
  z-index: 1;
  font-size: 36px;
  font-weight: 900;
  letter-spacing: 2px;
  background: linear-gradient(135deg, #fef08a 0%, var(--primary-gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
  text-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
}

.hero-tagline {
  position: relative;
  z-index: 1;
  font-size: 15px;
  color: var(--text-sub);
  margin-bottom: 24px;
  letter-spacing: 1px;
}

/* 倒计时模块 */
.countdown-box {
  position: relative;
  z-index: 1;
  background: var(--card-bg);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-card);
  padding: 16px;
  width: 100%;
  max-width: 420px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin-bottom: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.countdown-title {
  font-size: 13px;
  color: var(--primary-gold);
  margin-bottom: 10px;
  font-weight: 600;
  letter-spacing: 1px;
}

.timer-grid {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.timer-item {
  background: rgba(15, 23, 42, 0.6);
  padding: 8px 12px;
  border-radius: 8px;
  min-width: 60px;
}

.timer-val {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  transition: transform 0.2s var(--ease);
}

.timer-val.tick {
  transform: scale(1.12);
}

.timer-lbl {
  font-size: 10px;
  color: var(--text-sub);
  letter-spacing: 2px;
}

/* ========== 通用容器与区块 ========== */
.section-container {
  width: 100%;
  max-width: var(--container-sm);
  margin: 0 auto;
  padding: 24px 16px;
}

.section-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 18px;
  background: var(--primary-gold);
  border-radius: 2px;
  flex-shrink: 0;
}

/* 滚动淡入 */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== 里程碑奖励 ========== */
.reward-card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.reward-head {
  font-size: 13px;
  color: var(--text-sub);
}

.reward-head .gold {
  color: var(--primary-gold);
  font-weight: 700;
}

.milestone-progress {
  position: relative;
  background: #334155;
  height: 8px;
  border-radius: 4px;
  margin: 24px 0 16px;
  overflow: hidden;
}

.milestone-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent-cyan), var(--primary-gold));
  border-radius: 4px;
  transition: width 1.2s var(--ease);
}

.reward-list {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.reward-item {
  flex: 1;
  text-align: center;
  font-size: 12px;
  opacity: 0.45;
  transition: opacity 0.4s var(--ease);
}

.reward-item.active {
  opacity: 1;
}

.reward-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  margin: 0 auto 6px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.25);
  transition: all 0.3s var(--ease);
}

.reward-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.reward-item.active .reward-icon {
  border-color: var(--primary-gold);
  box-shadow:
    0 0 12px rgba(245, 158, 11, 0.35),
    inset 0 0 0 1px rgba(0, 0, 0, 0.2);
}

.reward-item .reward-status {
  display: block;
  font-size: 10px;
  color: var(--text-sub);
  margin-top: 3px;
}

.reward-item.unlocked .reward-status {
  color: var(--primary-gold);
}

/* ========== 游戏特色 ========== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-card);
  padding: 18px 14px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  text-align: center;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease),
    box-shadow 0.25s var(--ease);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 158, 11, 0.45);
  box-shadow: 0 10px 28px rgba(245, 158, 11, 0.18);
}

.feature-icon {
  width: 46px;
  height: 46px;
  margin: 0 auto 10px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary-gold);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.22), rgba(6, 182, 212, 0.14));
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.feature-card h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}

.feature-card p {
  font-size: 12px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ========== 世界观 ========== */
.worldview-banner {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  padding: 24px 20px;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.62), rgba(15, 23, 42, 0.9)),
    url('/assets/hero-bg.jpg') center / cover no-repeat;
  border: 1px solid rgba(245, 158, 11, 0.28);
  text-align: left;
}

.worldview-banner p {
  font-size: 13px;
  line-height: 1.9;
  color: #cbd5e1;
  margin-bottom: 12px;
}

.worldview-banner p:nth-of-type(2) {
  color: var(--text-main);
}

.worldview-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.worldview-tags span {
  font-size: 11px;
  color: var(--primary-gold);
  border: 1px solid rgba(245, 158, 11, 0.45);
  border-radius: 20px;
  padding: 3px 12px;
  background: rgba(245, 158, 11, 0.08);
  letter-spacing: 1px;
}

/* ========== 首发职业预览 ========== */
/* 移动端：单列纵向堆叠（左图右文），全部职业直接可见，无需横滑 */
.class-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.class-card {
  display: flex;
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-card);
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease),
    box-shadow 0.25s var(--ease);
}

.class-card:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 158, 11, 0.45);
  box-shadow: 0 10px 28px rgba(245, 158, 11, 0.18);
}

.class-img {
  flex: 0 0 122px;
  min-height: 150px;
  overflow: hidden;
}

.class-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.4s var(--ease);
}

.class-card:hover .class-img img {
  transform: scale(1.05);
}

.class-info {
  flex: 1;
  padding: 14px 16px 16px;
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.class-info h4 {
  font-size: 16px;
  font-weight: 800;
  display: inline-block;
  margin-right: 8px;
}

.class-role {
  font-size: 11px;
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.4);
  background: rgba(6, 182, 212, 0.1);
  border-radius: 20px;
  padding: 2px 10px;
  vertical-align: middle;
}

.class-info p {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-sub);
  line-height: 1.7;
}

.class-more {
  margin-top: 12px;
  text-align: center;
  font-size: 12px;
  color: var(--text-sub);
  letter-spacing: 1px;
}

/* ========== 玩家与媒体热评 ========== */
.review-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.review-card {
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 3px solid var(--primary-gold);
  border-radius: var(--radius-card);
  padding: 16px 18px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  text-align: left;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.review-card:hover {
  transform: translateY(-3px);
  border-color: rgba(245, 158, 11, 0.35);
}

.review-text {
  font-size: 13px;
  line-height: 1.8;
  color: #e2e8f0;
}

.review-meta {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.review-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-gold);
}

.review-tag {
  font-size: 11px;
  color: var(--text-sub);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 2px 10px;
}

/* ========== 常见问题 ========== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 0 16px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  text-align: left;
  transition: border-color 0.25s var(--ease);
}

.faq-item[open] {
  border-color: rgba(245, 158, 11, 0.4);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  padding: 14px 0;
  -webkit-tap-highlight-color: transparent;
}

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

.faq-arrow {
  color: var(--primary-gold);
  font-size: 13px;
  transition: transform 0.25s var(--ease);
  flex-shrink: 0;
}

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

.faq-item p {
  font-size: 12.5px;
  color: var(--text-sub);
  line-height: 1.8;
  padding-bottom: 14px;
}

/* ========== 页脚 ========== */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin-top: 16px;
  padding: 28px 16px 20px;
  text-align: center;
  color: var(--text-sub);
  font-size: 12px;
}

.site-footer .footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 12px;
  font-size: 12px;
}

.site-footer .footer-links a {
  color: var(--text-sub);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

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

.site-footer .footer-social {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-bottom: 14px;
  font-size: 12px;
}

.site-footer .footer-social a {
  color: #cbd5e1;
  text-decoration: none;
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 20px;
  padding: 4px 14px;
  background: rgba(245, 158, 11, 0.06);
  transition: all 0.2s var(--ease);
}

.site-footer .footer-social a:hover {
  color: var(--primary-gold);
  border-color: var(--primary-gold);
  transform: translateY(-2px);
}

.site-footer .age-tip {
  display: inline-block;
  border: 1px solid rgba(148, 163, 184, 0.4);
  border-radius: 4px;
  padding: 1px 6px;
  margin-bottom: 10px;
  font-size: 11px;
}

/* ========== 吸底预约按钮 ========== */
.fixed-bottom {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 12px 16px;
  display: flex;
  justify-content: center;
  z-index: 99;
}

.btn-reserve {
  width: 100%;
  max-width: 440px;
  background: linear-gradient(135deg, var(--primary-gold) 0%, var(--primary-hover) 100%);
  color: #000;
  padding: 14px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 1px;
  box-shadow: var(--shadow-gold);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
  animation: pulse-gold 2.4s infinite var(--ease);
}

.btn-reserve:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(245, 158, 11, 0.55);
}

.btn-reserve:active {
  transform: translateY(0) scale(0.98);
}

.btn-reserve.reserved {
  animation: none;
  background: linear-gradient(135deg, #475569 0%, #334155 100%);
  color: #cbd5e1;
  box-shadow: none;
}

@keyframes pulse-gold {
  0%,
  100% {
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.4);
  }
  50% {
    box-shadow: 0 4px 32px rgba(245, 158, 11, 0.65);
  }
}

/* Hero 背景轮播指示点（贴合巨幕底部） */
.hero-dots {
  position: absolute;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  display: flex;
  justify-content: center;
  gap: 10px;
  z-index: 3;
}

.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  border: none;
  padding: 0;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}

.hero-dot.active {
  background: var(--primary-gold);
  transform: scale(1.3);
}

/* ========== 弹窗通用 ========== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  z-index: 999;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.open {
  display: flex;
}

.modal-card {
  width: 100%;
  max-width: 420px;
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-card);
  padding: 24px;
  position: relative;
  animation: modal-in 0.3s var(--ease);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.close-modal {
  position: absolute;
  top: 10px;
  right: 14px;
  color: var(--text-sub);
  font-size: 26px;
  line-height: 1;
  z-index: 10;
  transition: color 0.2s var(--ease);
}

.close-modal:hover {
  color: #fff;
}

.modal-title {
  font-size: 18px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 6px;
  background: linear-gradient(135deg, #fef08a 0%, var(--primary-gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.modal-sub {
  font-size: 12px;
  color: var(--text-sub);
  text-align: center;
  margin-bottom: 20px;
}

/* ========== 预约表单 ========== */
.form-field {
  margin-bottom: 16px;
}

.form-field label {
  display: block;
  font-size: 13px;
  color: var(--text-main);
  margin-bottom: 6px;
  font-weight: 600;
}

.form-field input {
  width: 100%;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text-main);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.form-field input::placeholder {
  color: rgba(148, 163, 184, 0.6);
}

.form-field input:focus {
  border-color: var(--primary-gold);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.form-field .field-error {
  display: none;
  font-size: 11px;
  color: #f87171;
  margin-top: 5px;
}

.form-field.invalid input {
  border-color: #f87171;
}

.form-field.invalid .field-error {
  display: block;
}

.btn-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--primary-gold) 0%, var(--primary-hover) 100%);
  color: #000;
  padding: 13px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 1px;
  margin-top: 4px;
  box-shadow: var(--shadow-gold);
  transition: transform 0.2s var(--ease);
}

.btn-submit:hover {
  transform: translateY(-2px);
}

.btn-submit:disabled {
  opacity: 0.6;
  transform: none;
  cursor: not-allowed;
}

/* 预约成功态 */
.reserve-success {
  display: none;
  text-align: center;
}

.reserve-success.show {
  display: block;
}

.reserve-success .success-icon {
  width: 56px;
  height: 56px;
  margin: 4px auto 14px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
}

.reserve-success .code-box {
  background: rgba(15, 23, 42, 0.7);
  border: 1px dashed rgba(245, 158, 11, 0.5);
  border-radius: 10px;
  padding: 12px;
  margin: 14px 0;
}

.reserve-success .code-box .code-label {
  font-size: 11px;
  color: var(--text-sub);
  margin-bottom: 4px;
}

.reserve-success .code-box .code-value {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--primary-gold);
}

.reserve-success p {
  font-size: 12px;
  color: var(--text-sub);
}

/* ========== 玩法实机 PV（第二板块内嵌播放器） ========== */
.pv-inline {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.pv-inline .pv-stage video {
  cursor: pointer;
}

.pv-desc {
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-sub);
  line-height: 1.7;
}

.pv-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #000;
}

.pv-stage video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ========== 平板端（≥640px） ========== */
@media (min-width: 640px) {
  .game-logo {
    font-size: 48px;
  }

  .hero-tagline {
    font-size: 16px;
  }

  .section-container {
    max-width: var(--container-md);
    padding: 32px 24px;
  }

  .section-title {
    font-size: 22px;
  }

  .modal-card {
    padding: 28px;
  }

  /* 职业预览：平板起恢复 3 列竖卡 */
  .class-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }

  .class-card {
    flex-direction: column;
  }

  .class-img {
    flex: none;
    aspect-ratio: 3 / 3.4;
    min-height: 0;
  }
}

/* ========== 桌面端（≥1024px） ========== */
@media (min-width: 1024px) {
  body {
    padding-bottom: 92px;
  }

  .hero {
    min-height: 92vh;
    padding-bottom: 64px;
  }

  .game-logo {
    font-size: 64px;
    letter-spacing: 6px;
  }

  .hero-tagline {
    font-size: 18px;
    margin-bottom: 28px;
  }

  .countdown-box {
    padding: 20px 24px;
  }

  .hero-inner {
    max-width: 560px;
  }

  .timer-item {
    min-width: 76px;
    padding: 10px 16px;
  }

  .timer-val {
    font-size: 30px;
  }

  .timer-lbl {
    font-size: 11px;
  }

  .section-container {
    max-width: var(--container-lg);
    padding: 44px 24px 36px;
  }

  .section-title {
    font-size: 24px;
    margin-bottom: 20px;
  }

  .section-title::before {
    height: 22px;
  }

  /* 里程碑：标题与进度左右分栏 */
  .reward-card {
    padding: 28px 32px;
  }

  .reward-list {
    gap: 16px;
  }

  .reward-item {
    font-size: 13px;
  }

  .reward-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
  }

  /* 游戏特色：桌面 4 列 */
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .feature-card {
    padding: 24px 18px;
  }

  .feature-card p {
    font-size: 13px;
  }

  /* 职业预览：桌面 3 列网格 */
  .class-grid {
    gap: 16px;
  }

  .class-info h4 {
    font-size: 18px;
  }

  .class-info p {
    font-size: 13px;
  }

  /* 世界观：桌面居中排版，加大留白 */
  .worldview-banner {
    padding: 36px 40px;
  }

  .worldview-banner p {
    font-size: 14px;
  }

  /* 热评：桌面 3 列 */
  .review-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .review-text {
    font-size: 13.5px;
  }

  /* FAQ：桌面居中窄栏 */
  .faq-list {
    max-width: 880px;
    margin: 0 auto;
  }

  .faq-item summary {
    font-size: 15px;
  }

  .fixed-bottom {
    padding: 14px 16px;
  }
}

/* ========== 动效降级 ========== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn-reserve {
    animation: none;
  }

  .hero-bg-slide {
    transition: none;
    animation: none;
    transform: none;
  }

  .milestone-fill {
    transition: none;
  }
}