/* ==========================================================================
   山海记 · 0.05折我的刀盾 — 国风仙侠塔防官网
   现代化响应式设计，融合传统水墨意境与现代Web动效
   ========================================================================== */

/* ----------------------------- 设计变量 ----------------------------- */
:root {
  /* 主色调：墨色 + 朱砂 + 金 + 玉 */
  --color-ink: #0f1115;
  --color-ink-2: #1a1d24;
  --color-ink-3: #262a33;
  --color-paper: #f5ecd7;
  --color-paper-2: #ebe1c8;
  --color-jade: #3aaf85;
  --color-jade-2: #7ed6a7;
  --color-gold: #d4a14c;
  --color-gold-2: #ffb84d;
  --color-cinnabar: #c94545;
  --color-cinnabar-2: #ff6b6b;
  --color-text: #e8e3d3;
  --color-text-dim: #a39d8a;
  --color-line: rgba(212, 161, 76, 0.18);
  --color-line-strong: rgba(212, 161, 76, 0.45);

  /* 渐变 */
  --grad-gold: linear-gradient(135deg, #f9d976 0%, #d4a14c 100%);
  --grad-jade: linear-gradient(135deg, #7ed6a7 0%, #3aaf85 100%);
  --grad-cinnabar: linear-gradient(135deg, #ff8a8a 0%, #c94545 100%);
  --grad-hero: linear-gradient(135deg, #2b1d3a 0%, #1a1d24 60%, #0f1115 100%);
  --grad-card: linear-gradient(145deg, rgba(38, 42, 51, 0.85) 0%, rgba(26, 29, 36, 0.85) 100%);

  /* 阴影 */
  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 12px 30px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 40px rgba(212, 161, 76, 0.25);

  /* 半径 */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 32px;

  /* 间距 */
  --container: 1200px;
  --gap: 24px;

  /* 字体 */
  --font-cn: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --font-display: "ZCOOL XiaoWei", "Ma Shan Zheng", "Noto Serif SC", serif;
  --font-hand: "Ma Shan Zheng", "Long Cang", "Noto Serif SC", cursive;
  --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;

  /* 动画 */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ----------------------------- 重置 ----------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  background: var(--color-ink);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s var(--ease);
}

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

ul {
  list-style: none;
}

::selection {
  background: var(--color-gold);
  color: var(--color-ink);
}

/* ----------------------------- 装饰背景 ----------------------------- */
.bg-deco {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: var(--color-ink);
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(122, 60, 90, 0.18) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(58, 175, 133, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(212, 161, 76, 0.05) 0%, transparent 70%);
}

.bg-mountain {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 60vh;
  background-image:
    linear-gradient(180deg, transparent 0%, rgba(15, 17, 21, 0.4) 70%, var(--color-ink) 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320' preserveAspectRatio='none'%3E%3Cpath fill='%231a1d24' d='M0,224L60,213.3C120,203,240,181,360,170.7C480,160,600,160,720,176C840,192,960,224,1080,234.7C1200,245,1320,235,1380,229.3L1440,224L1440,320L1380,320C1320,320,1200,320,1080,320C960,320,840,320,720,320C600,320,480,320,360,320C240,320,120,320,60,320L0,320Z'/%3E%3C/svg%3E");
  background-size: cover;
  background-position: bottom;
  background-repeat: no-repeat;
  opacity: 0.85;
}

.bg-cloud {
  position: absolute;
  width: 600px;
  height: 200px;
  background: radial-gradient(ellipse, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
  filter: blur(40px);
  animation: cloudDrift 60s linear infinite;
  pointer-events: none;
}

.bg-cloud-1 { top: 10%; left: -20%; }
.bg-cloud-2 { top: 40%; left: -50%; animation-duration: 80s; }
.bg-cloud-3 { top: 70%; left: -30%; animation-duration: 100s; }

@keyframes cloudDrift {
  from { transform: translateX(0); }
  to { transform: translateX(180vw); }
}

.bg-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.bg-particles .particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--color-gold);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-gold);
  animation: particleFloat 8s ease-in-out infinite;
  opacity: 0;
}

@keyframes particleFloat {
  0%, 100% { opacity: 0; transform: translateY(0) scale(0.5); }
  50% { opacity: 0.8; transform: translateY(-100px) scale(1); }
}

.bg-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(0, 0, 0, 0.6) 100%);
  pointer-events: none;
}

/* ----------------------------- 通用容器 ----------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  position: relative;
  padding: 100px 0;
}

.section-head {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--color-gold);
  padding: 6px 18px;
  border: 1px solid var(--color-line-strong);
  border-radius: 999px;
  margin-bottom: 20px;
  background: rgba(212, 161, 76, 0.08);
}

.section-eyebrow.light {
  color: var(--color-gold-2);
  border-color: rgba(255, 184, 77, 0.5);
  background: rgba(255, 184, 77, 0.12);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 4px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-title.light {
  color: #fff;
}

.title-deco {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-right: 12px;
  border: 1.5px solid var(--color-gold);
  border-radius: 4px;
  color: var(--color-gold);
  font-size: 22px;
  vertical-align: middle;
  background: linear-gradient(180deg, rgba(212, 161, 76, 0.15), transparent);
}

.section-sub {
  font-size: 16px;
  color: var(--color-text-dim);
  letter-spacing: 2px;
}

/* ----------------------------- 按钮 ----------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--r-md);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn.big {
  padding: 18px 36px;
  font-size: 16px;
}

.btn-primary {
  background: var(--grad-gold);
  color: var(--color-ink);
  box-shadow: 0 8px 24px rgba(212, 161, 76, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(212, 161, 76, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text);
  border-color: var(--color-line-strong);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: rgba(212, 161, 76, 0.1);
  border-color: var(--color-gold);
  color: var(--color-gold-2);
}

.btn-ghost-light {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.6);
}

/* ----------------------------- 顶部导航 ----------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px 0;
  background: rgba(15, 17, 21, 0.6);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: all 0.3s var(--ease);
}

.navbar.scrolled {
  padding: 12px 0;
  background: rgba(15, 17, 21, 0.92);
  border-bottom-color: var(--color-line);
}

.nav-inner {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-logo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--color-gold), 0 0 16px rgba(212, 161, 76, 0.4);
  object-fit: cover;
  transition: transform 0.3s var(--ease);
}

.nav-brand:hover .nav-logo {
  transform: rotate(10deg) scale(1.05);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--color-text);
  letter-spacing: 3px;
}

.brand-sub {
  font-size: 11px;
  color: var(--color-gold);
  letter-spacing: 1.5px;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  position: relative;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--color-text);
  border-radius: var(--r-sm);
  transition: all 0.3s var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 0;
  height: 2px;
  background: var(--grad-gold);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
  transform: translateX(-50%);
}

.nav-link:hover {
  color: var(--color-gold-2);
}

.nav-link:hover::after {
  width: 24px;
}

.nav-link.nav-cta {
  background: var(--grad-gold);
  color: var(--color-ink);
  font-weight: 600;
  margin-left: 8px;
  padding: 10px 20px;
}

.nav-link.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(212, 161, 76, 0.35);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-line);
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ----------------------------- Hero ----------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 70% 30%, rgba(212, 161, 76, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 20% 70%, rgba(122, 60, 90, 0.18) 0%, transparent 50%);
  pointer-events: none;
}

.hero-inner {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text {
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(212, 161, 76, 0.12);
  border: 1px solid rgba(212, 161, 76, 0.4);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 1.5px;
  color: var(--color-gold-2);
  margin-bottom: 24px;
  animation: fadeUp 0.8s var(--ease-out) backwards;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-cinnabar-2);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-cinnabar-2);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-title {
  font-family: var(--font-display);
  line-height: 1.1;
  margin-bottom: 28px;
}

.title-line {
  display: block;
}

.title-main {
  font-size: clamp(56px, 9vw, 112px);
  font-weight: 700;
  letter-spacing: 12px;
  background: linear-gradient(180deg, #f9d976 0%, #d4a14c 50%, #a87a35 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 8px 32px rgba(212, 161, 76, 0.3);
  position: relative;
  animation: fadeUp 1s 0.1s var(--ease-out) backwards;
}

.title-main::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: blur(20px);
  opacity: 0.4;
  z-index: -1;
}

.title-sub {
  font-size: clamp(20px, 3vw, 32px);
  color: var(--color-text);
  letter-spacing: 8px;
  margin-top: 8px;
  font-family: var(--font-hand);
  font-weight: 400;
  animation: fadeUp 1s 0.2s var(--ease-out) backwards;
}

.hero-tagline {
  font-size: clamp(14px, 1.6vw, 17px);
  color: var(--color-gold-2);
  letter-spacing: 2px;
  margin-bottom: 20px;
  font-weight: 500;
  animation: fadeUp 1s 0.3s var(--ease-out) backwards;
}

.hero-desc {
  font-size: 15px;
  color: var(--color-text-dim);
  max-width: 540px;
  margin-bottom: 36px;
  line-height: 1.9;
  animation: fadeUp 1s 0.4s var(--ease-out) backwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 50px;
}

/* 首屏下载按钮二维码浮层 */
.hero-download-wrap {
  position: relative;
  display: inline-flex;
}

.qr-popover {
  position: absolute;
  bottom: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  z-index: 60;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: rgba(13, 15, 19, 0.96);
  border: 1px solid rgba(212, 161, 76, 0.45);
  border-radius: var(--r-md);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
}

.qr-popover::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 7px solid transparent;
  border-top-color: rgba(212, 161, 76, 0.45);
}

.qr-popover-box {
  width: 150px;
  height: 150px;
  padding: 8px;
  background: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-popover-tip {
  font-size: 12px;
  color: var(--color-gold);
  letter-spacing: 2px;
  white-space: nowrap;
  margin: 0;
}

@media (hover: hover) and (min-width: 769px) {
  .qr-popover {
    display: flex;
  }
  .hero-download-wrap:hover .qr-popover,
  .hero-download-wrap:focus-within .qr-popover {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }
}
  animation: fadeUp 1s 0.5s var(--ease-out) backwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 540px;
  animation: fadeUp 1s 0.6s var(--ease-out) backwards;
}

.hero-stats li {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-line);
  border-radius: var(--r-md);
  backdrop-filter: blur(10px);
  transition: all 0.3s var(--ease);
}

.hero-stats li:hover {
  border-color: var(--color-line-strong);
  transform: translateY(-4px);
  background: rgba(212, 161, 76, 0.08);
}

.hero-stats strong {
  font-family: var(--font-display);
  font-size: 28px;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
  line-height: 1;
}

.hero-stats span {
  font-size: 12px;
  color: var(--color-text-dim);
  letter-spacing: 1px;
  margin-top: 6px;
}

.hero-visual {
  position: relative;
  animation: fadeUp 1s 0.4s var(--ease-out) backwards;
}

.hero-card {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: rotate(2deg);
  transition: transform 0.6s var(--ease-out);
}

.hero-card:hover {
  transform: rotate(0) scale(1.02);
}

.hero-card-glow {
  position: absolute;
  inset: -30%;
  background: radial-gradient(circle, rgba(212, 161, 76, 0.4) 0%, transparent 60%);
  filter: blur(40px);
  z-index: -1;
  animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--r-xl);
}

.hero-card-tag {
  position: absolute;
  padding: 6px 14px;
  background: rgba(15, 17, 21, 0.85);
  border: 1px solid var(--color-gold);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-gold-2);
  letter-spacing: 1px;
  backdrop-filter: blur(8px);
  white-space: nowrap;
  animation: floatTag 4s ease-in-out infinite;
}

.hero-card-tag:nth-child(2) { top: 12%; left: 12%; animation-delay: 0s; }
.hero-card-tag.tag-2 { top: 12%; right: 12%; animation-delay: 0.5s; }
.hero-card-tag.tag-3 { bottom: 18%; left: 14%; animation-delay: 1s; }

.tag-price {
  display: inline-block;
  margin-right: 4px;
  color: var(--color-cinnabar-2);
  font-weight: 700;
}

@keyframes floatTag {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero-floater {
  position: absolute;
  padding: 10px 20px;
  background: var(--grad-gold);
  color: var(--color-ink);
  font-weight: 700;
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: 1px;
  box-shadow: 0 8px 24px rgba(212, 161, 76, 0.4);
  animation: floatTag 5s ease-in-out infinite;
}

.hero-floater-1 {
  top: -8%;
  right: -5%;
  width: 110px;
  height: 110px;
  background: var(--color-ink-2);
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4), 0 0 24px rgba(212, 161, 76, 0.3);
}

.hero-floater-1 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-floater-2 {
  bottom: 18%;
  left: -8%;
  animation-delay: 1.5s;
}

.hero-floater-3 {
  top: 30%;
  left: -10%;
  background: var(--grad-cinnabar);
  color: #fff;
  animation-delay: 2.5s;
}

.scroll-cue {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 50px;
  border: 2px solid var(--color-gold);
  border-radius: 20px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
  z-index: 2;
  opacity: 0.6;
}

.scroll-cue span {
  display: block;
  width: 4px;
  height: 8px;
  background: var(--color-gold);
  border-radius: 2px;
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(20px); opacity: 0; }
}

/* ----------------------------- 关于 ----------------------------- */
.section-about {
  background: linear-gradient(180deg, transparent 0%, rgba(26, 29, 36, 0.5) 50%, transparent 100%);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text p {
  font-size: 16px;
  line-height: 2;
  color: var(--color-text);
  margin-bottom: 20px;
}

.about-text em {
  font-style: normal;
  color: var(--color-gold-2);
  font-weight: 600;
  border-bottom: 1px dashed var(--color-gold);
}

.about-text strong {
  color: var(--color-jade-2);
  font-weight: 600;
}

.about-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--color-line);
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.meta-label {
  font-size: 12px;
  color: var(--color-text-dim);
  letter-spacing: 2px;
}

.meta-value {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--color-gold-2);
  letter-spacing: 1px;
}

.about-art-frame {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-line-strong);
  transform: rotate(-1.5deg);
  transition: transform 0.6s var(--ease-out);
}

.about-art-frame:hover {
  transform: rotate(0) scale(1.02);
}

.about-art-frame::before {
  content: "";
  position: absolute;
  inset: -2px;
  background: var(--grad-gold);
  z-index: -1;
  border-radius: var(--r-lg);
  opacity: 0.4;
  filter: blur(20px);
}

.about-art-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.art-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.85) 0%, transparent 100%);
  color: var(--color-gold-2);
  font-family: var(--font-display);
  letter-spacing: 2px;
  font-size: 14px;
}

/* ----------------------------- 特色玩法 ----------------------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  position: relative;
  padding: 36px 28px;
  background: var(--grad-card);
  border: 1px solid var(--color-line);
  border-radius: var(--r-lg);
  backdrop-filter: blur(10px);
  transition: all 0.5s var(--ease-out);
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.5s var(--ease-out);
}

.feature-card::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(212, 161, 76, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.5s var(--ease-out);
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-line-strong);
  box-shadow: var(--shadow-md);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover::after {
  opacity: 1;
}

.feature-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--c1), var(--c2));
  color: #fff;
  margin-bottom: 20px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.4s var(--ease-out);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(-5deg);
}

.feature-icon svg {
  width: 30px;
  height: 30px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--color-text);
  letter-spacing: 2px;
  margin-bottom: 14px;
}

.feature-card p {
  font-size: 14px;
  color: var(--color-text-dim);
  line-height: 1.8;
}

/* ----------------------------- 画面展示 ----------------------------- */
.gallery-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.gallery-tab {
  padding: 10px 24px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  font-size: 14px;
  color: var(--color-text-dim);
  letter-spacing: 2px;
  transition: all 0.3s var(--ease);
}

.gallery-tab:hover {
  color: var(--color-gold-2);
  border-color: var(--color-line-strong);
}

.gallery-tab.active {
  background: var(--grad-gold);
  color: var(--color-ink);
  border-color: transparent;
  font-weight: 600;
  box-shadow: 0 6px 16px rgba(212, 161, 76, 0.3);
}

.gallery-panel {
  display: none;
  animation: fadeUp 0.5s var(--ease-out);
}

.gallery-panel.active {
  display: block;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: 16px;
}

.gallery-item {
  position: relative;
  border-radius: var(--r-md);
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--color-line);
  background: var(--color-ink-2);
  transition: all 0.4s var(--ease-out);
}

.gallery-item:hover {
  border-color: var(--color-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 16px;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.9) 0%, transparent 100%);
  color: var(--color-text);
  font-size: 13px;
  letter-spacing: 1px;
  transform: translateY(100%);
  transition: transform 0.4s var(--ease-out);
}

.gallery-item:hover figcaption {
  transform: translateY(0);
}

.gallery-item.tall {
  grid-row: span 2;
}

.gallery-item.wide {
  grid-column: span 2;
}

/* 宣传海报 */
.promo-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.promo-card {
  position: relative;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--color-line);
  aspect-ratio: 9 / 16;
  transition: all 0.4s var(--ease-out);
}

.promo-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-md);
}

.promo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.promo-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.9) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
}

.promo-card:hover .promo-overlay {
  opacity: 1;
}

.promo-overlay h4 {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--color-gold-2);
  margin-bottom: 6px;
  letter-spacing: 1px;
}

.promo-overlay p {
  font-size: 13px;
  color: var(--color-text);
}

/* 主视觉 */
.banner-stack {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.banner-card {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-md);
  transition: all 0.4s var(--ease-out);
}

.banner-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--color-gold);
}

.banner-card img {
  width: 100%;
  height: auto;
  display: block;
}

/* ----------------------------- 上线福利 ----------------------------- */
.rewards-top {
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 36px;
  background: var(--grad-card);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--r-lg);
  margin-bottom: 36px;
  position: relative;
  overflow: hidden;
}

.rewards-top::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0% 50%, rgba(201, 69, 69, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.rewards-highlight {
  text-align: center;
  flex-shrink: 0;
}

.highlight-num {
  font-family: var(--font-display);
  font-size: 80px;
  font-weight: 700;
  background: linear-gradient(180deg, #ffd194, #d1913c);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  letter-spacing: -2px;
}

.highlight-num span {
  font-size: 40px;
  margin-left: -4px;
}

.highlight-text {
  font-size: 16px;
  color: var(--color-text);
  margin-top: 8px;
  letter-spacing: 4px;
}

.rewards-summary {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rewards-summary li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--color-text);
}

.rewards-summary .dot {
  width: 10px;
  height: 10px;
  background: var(--grad-gold);
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 8px var(--color-gold);
}

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

.reward-card {
  position: relative;
  padding: 28px 24px;
  background: var(--grad-card);
  border: 1px solid var(--color-line);
  border-radius: var(--r-md);
  transition: all 0.4s var(--ease-out);
  overflow: hidden;
}

.reward-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent);
  transition: width 0.4s var(--ease-out);
}

.reward-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
}

.reward-card:hover::before {
  width: 100%;
  opacity: 0.12;
}

.reward-num {
  font-family: var(--font-display);
  font-size: 36px;
  color: var(--accent);
  letter-spacing: 2px;
  margin-bottom: 12px;
  font-weight: 700;
}

.reward-card h4 {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--color-text);
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.reward-card p {
  font-size: 13px;
  color: var(--color-text-dim);
  line-height: 1.7;
}

/* ----------------------------- 游戏攻略 ----------------------------- */
.strategy-card {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  align-items: center;
  padding: 50px;
  background: var(--grad-card);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--r-xl);
  position: relative;
  overflow: hidden;
}

.strategy-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 50%, rgba(212, 161, 76, 0.12) 0%, transparent 50%);
  pointer-events: none;
}

.strategy-art {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--color-line-strong);
  aspect-ratio: 9 / 16;
  max-width: 280px;
  margin: 0 auto;
}

.strategy-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.strategy-art-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle, rgba(212, 161, 76, 0.3) 0%, transparent 60%);
  filter: blur(30px);
  z-index: -1;
}

.strategy-body h3 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  color: var(--color-text);
  letter-spacing: 2px;
  margin-bottom: 16px;
  line-height: 1.3;
}

.strategy-body p {
  font-size: 15px;
  color: var(--color-text-dim);
  line-height: 1.9;
  margin-bottom: 24px;
}

.strategy-lead {
  font-size: 13px;
  color: var(--color-gold-2);
  letter-spacing: 3px;
  margin-bottom: 24px;
}

.strategy-guides {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 28px;
}

.strategy-block {
  padding: 22px 24px;
  background: linear-gradient(135deg, rgba(212, 161, 76, 0.07) 0%, rgba(212, 161, 76, 0.02) 100%);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-gold);
  border-radius: var(--r-md);
  position: relative;
  transition: all 0.3s var(--ease);
}

.strategy-block:hover {
  border-color: var(--color-line-strong);
  border-left-color: var(--color-gold-2);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.strategy-block h4 {
  font-size: 16px;
  color: var(--color-gold);
  letter-spacing: 2px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.strategy-block h4::before {
  content: "◈";
  font-size: 13px;
  color: var(--color-gold-2);
}

.strategy-block p {
  font-size: 14px;
  color: var(--color-text-dim);
  line-height: 1.9;
  margin-bottom: 0;
}

.strategy-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 0;
}

.strategy-tags li {
  padding: 6px 14px;
  background: rgba(212, 161, 76, 0.1);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  font-size: 12px;
  color: var(--color-gold-2);
  letter-spacing: 1px;
  transition: all 0.3s var(--ease);
}

.strategy-tags li:hover {
  background: rgba(212, 161, 76, 0.2);
  border-color: var(--color-gold);
}

.strategy-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.strategy-meta {
  font-size: 12px;
  color: var(--color-text-dim);
  letter-spacing: 1px;
}

/* ----------------------------- 下载 ----------------------------- */
.section-download {
  padding: 60px 0 100px;
}

.download-card {
  position: relative;
  padding: 70px 50px;
  background: linear-gradient(135deg, #2b1d3a 0%, #1a1d24 50%, #0f1115 100%);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--r-xl);
  overflow: hidden;
  text-align: center;
}

.download-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.download-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.6;
}

.download-glow {
  top: -100px;
  left: -100px;
  background: radial-gradient(circle, rgba(212, 161, 76, 0.5) 0%, transparent 70%);
  animation: glowPulse 5s ease-in-out infinite;
}

.download-glow.g2 {
  top: auto;
  left: auto;
  bottom: -100px;
  right: -100px;
  background: radial-gradient(circle, rgba(122, 60, 90, 0.5) 0%, transparent 70%);
  animation-delay: 2.5s;
}

.download-text {
  position: relative;
  z-index: 1;
}

.download-text .section-sub {
  color: var(--color-text);
  margin-top: 16px;
  font-size: 16px;
  line-height: 2;
}

.download-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin: 40px 0 50px;
}

.qr-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
}

.qr {
  width: 146px;
  height: 146px;
  padding: 8px;
  background: #fff;
  border-radius: var(--r-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr canvas,
.qr img {
  display: block;
  width: 130px;
  height: 130px;
  image-rendering: pixelated;
}

.qr-row p {
  text-align: left;
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.7;
}

.qr-row p span {
  font-size: 12px;
  color: var(--color-text-dim);
}

/* ----------------------------- 页脚 ----------------------------- */
.footer {
  background: linear-gradient(180deg, transparent 0%, rgba(15, 17, 21, 0.8) 100%);
  border-top: 1px solid var(--color-line);
  padding: 60px 0 24px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-logo {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--color-gold);
}

.footer-brand h4 {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--color-text);
  letter-spacing: 2px;
  margin-bottom: 4px;
}

.footer-brand p {
  font-size: 12px;
  color: var(--color-text-dim);
  letter-spacing: 1px;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.footer-cols h5 {
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--color-gold-2);
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.footer-cols a {
  display: block;
  font-size: 13px;
  color: var(--color-text-dim);
  padding: 6px 0;
  transition: all 0.3s var(--ease);
}

.footer-cols a:hover {
  color: var(--color-gold-2);
  transform: translateX(4px);
}

.footer-links {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--color-line);
}

.footer-links h5 {
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--color-gold-2);
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.footer-links-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-links-list a {
  display: inline-block;
  padding: 6px 14px;
  font-size: 12px;
  color: var(--color-text-dim);
  background: rgba(212, 161, 76, 0.05);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  transition: all 0.3s var(--ease);
}

.footer-links-list a:hover {
  color: var(--color-gold-2);
  border-color: var(--color-gold-2);
  background: rgba(212, 161, 76, 0.12);
  transform: translateY(-2px);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--color-line);
  text-align: center;
}

.footer-bottom p {
  font-size: 12px;
  color: var(--color-text-dim);
  letter-spacing: 1px;
  margin: 4px 0;
}

/* ----------------------------- 返回顶部 ----------------------------- */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--grad-gold);
  color: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(212, 161, 76, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s var(--ease);
  z-index: 50;
}

.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  transform: translateY(-4px);
}

/* ----------------------------- 装饰印章 ----------------------------- */
.seal {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%) rotate(-8deg);
  width: 60px;
  height: 60px;
  background: var(--color-cinnabar);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 4px;
  border-radius: 6px;
  box-shadow: 0 8px 20px rgba(201, 69, 69, 0.4);
  z-index: 40;
  pointer-events: none;
}

.seal::before {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 3px;
}

/* ----------------------------- 滚动揭示动画 ----------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ----------------------------- 响应式 ----------------------------- */
@media (max-width: 1024px) {
  .section { padding: 80px 0; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 520px; margin: 0 auto; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .promo-grid { grid-template-columns: repeat(3, 1fr); }
  .banner-stack { grid-template-columns: repeat(2, 1fr); }
  .rewards-grid { grid-template-columns: repeat(2, 1fr); }
  .strategy-card { grid-template-columns: 1fr; gap: 30px; padding: 40px; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .rewards-top { flex-direction: column; text-align: center; gap: 24px; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: stretch;
    background: rgba(15, 17, 21, 0.98);
    backdrop-filter: blur(20px);
    padding: 20px;
    border: 1px solid var(--color-line);
    border-radius: var(--r-md);
    box-shadow: var(--shadow-lg);
    transform: translateY(-20px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s var(--ease);
    gap: 4px;
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-link {
    padding: 12px 16px;
    text-align: center;
    border-bottom: 1px solid var(--color-line);
    border-radius: 0;
  }

  .nav-link:last-child { border-bottom: none; }

  .nav-link.nav-cta {
    margin: 8px 0 0;
    border-radius: var(--r-sm);
  }

  .nav-link::after { display: none; }

  .nav-toggle { display: flex; }

  .brand-sub { display: none; }

  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .title-main { letter-spacing: 6px; }
  .title-sub { letter-spacing: 4px; }

  .scroll-cue { display: none; }

  .section { padding: 60px 0; }
  .section-head { margin-bottom: 40px; }
  .title-deco { width: 36px; height: 36px; font-size: 18px; margin-right: 8px; }

  .features-grid { grid-template-columns: 1fr; }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 180px;
  }
  .promo-grid { grid-template-columns: repeat(2, 1fr); }
  .banner-stack { grid-template-columns: 1fr; }
  .rewards-grid { grid-template-columns: 1fr; }
  .gallery-item.wide { grid-column: span 2; }
  .gallery-item.tall { grid-row: span 1; grid-column: span 2; }

  .strategy-card { padding: 30px 24px; }
  .strategy-art { max-width: 220px; }
  .strategy-guides { grid-template-columns: 1fr; }

  .download-card { padding: 50px 24px; }
  .download-actions { flex-direction: column; }
  .download-actions .btn { width: 100%; }

  .qr-row { flex-direction: column; gap: 14px; }
  .qr-row p { text-align: center; }

  .footer-cols { grid-template-columns: repeat(2, 1fr); }

  .hero-card { transform: rotate(0); }
  .about-art-frame { transform: rotate(0); }
  .seal {
    width: 48px;
    height: 48px;
    font-size: 14px;
    right: 12px;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .nav-inner { padding: 0 16px; }
  .hero-stats { gap: 10px; }
  .hero-stats li { padding: 12px 6px; }
  .hero-stats strong { font-size: 22px; }
  .highlight-num { font-size: 60px; }
  .highlight-num span { font-size: 28px; }
  .feature-card { padding: 28px 20px; }
  .promo-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 200px; }
  .gallery-item.wide, .gallery-item.tall { grid-column: span 1; grid-row: span 1; }
  .footer-cols { grid-template-columns: 1fr; }
  .meta-item { font-size: 13px; }
}

/* ----------------------------- 减少动效 ----------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ----------------------------- 打印 ----------------------------- */
@media print {
  .navbar, .back-top, .seal, .bg-deco, .scroll-cue { display: none; }
  body { background: #fff; color: #000; }
}