/*
   Design System v4 — Cinematic Tech (影视科技风)
   品牌：海南晓乐文化传媒有限公司
   参考：Apple.com HIG / Netflix / Linear.app
   特性：深色优先、玻璃质感、渐变光效、流畅动效
*/

:root {
  /* —— 文字 (深色默认) —— */
  --color-text-primary:   #F5F5F7;
  --color-text-secondary: #A1A1A6;
  --color-text-tertiary:  #6E6E73;

  /* —— 背景 (深色默认) —— */
  --color-bg-primary:     #000000;
  --color-bg-secondary:   #1C1C1E;
  --color-bg-tertiary:    #2C2C2E;
  --color-bg-elevated:    rgba(255,255,255,0.06);

  /* —— 分隔线 / 边框 —— */
  --color-border-subtle:  rgba(255,255,255,0.08);
  --color-border-strong:  rgba(255,255,255,0.15);

  /* —— 品牌主题色 —— */
  --color-link:           #0A84FF;
  --color-link-hover:     #409CFF;
  --color-fill-primary:   #0A84FF;
  --color-fill-primary-hover: #0066CC;

  /* —— 三大业务主题色 —— */
  --color-film:    #0A84FF;
  --color-film-glow: rgba(10,132,255,0.3);
  --color-glow-blue: rgba(10,132,255,0.15);
  --color-drama:   #BF5AF2;
  --color-drama-glow: rgba(191,90,242,0.3);
  --color-glow-purple: rgba(191,90,242,0.12);
  --color-comic:   #FF9F0A;
  --color-comic-glow: rgba(255,159,10,0.3);
  --color-glow-orange: rgba(255,159,10,0.1);

  /* —— 布局 —— */
  --container-width: 980px;
  --container-wide:  1200px;
  --container-ultrawide: 1440px;
  --header-height: 52px;
  --nav-floating-top: 16px;

  /* —— 圆角 —— */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 9999px;

  /* —— 阴影 —— */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.5);
  --shadow-xl: 0 24px 80px rgba(0,0,0,0.6);
  --shadow-glow-blue: 0 0 40px rgba(10,132,255,0.25);
  --shadow-glow-purple: 0 0 40px rgba(191,90,242,0.25);
  --shadow-glow-orange: 0 0 40px rgba(255,159,10,0.25);
  --shadow-card-hover: 0 20px 60px rgba(0,0,0,0.5);

  /* —— 玻璃质感 —— */
  --glass-bg: rgba(255,255,255,0.06);
  --glass-border: rgba(255,255,255,0.08);
  --glass-blur: blur(24px) saturate(180%);

  /* —— 字体 —— */
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue",
    "Microsoft YaHei", "Noto Sans SC", "Segoe UI", Roboto, Arial, sans-serif;

  /* —— Apple 动效令牌 —— */
  --ease-standard:   cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-emphasized: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-enter:      cubic-bezier(0, 0, 0.2, 1);
  --ease-spring:     cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --d-instant: 100ms;
  --d-fast:    200ms;
  --d-standard: 400ms;
  --d-content: 600ms;
  --d-hero:    800ms;

  /* —— Antigravity 沉浸令牌 —— */
  --aurora-1: #0A84FF;
  --aurora-2: #BF5AF2;
  --aurora-3: #FF375F;
  --aurora-4: #FF9F0A;
  --aurora-5: #30D158;
  --iridescent-border: linear-gradient(135deg, rgba(10,132,255,0.5), rgba(191,90,242,0.4), rgba(255,55,95,0.3), rgba(255,159,10,0.4));
  --font-display: "Bricolage Grotesque", "Google Sans", -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  --grain-opacity: 0.035;
}

/* —— 浅色模式 —— */
@media (prefers-color-scheme: light) {
  :root {
    --color-text-primary:   #1D1D1F;
    --color-text-secondary: #6E6E73;
    --color-text-tertiary:  #86868B;
    --color-bg-primary:     #FFFFFF;
    --color-bg-secondary:   #F5F5F7;
    --color-bg-tertiary:    #FBFBFD;
    --color-bg-elevated:    rgba(255,255,255,0.8);
    --color-border-subtle:  #D2D2D7;
    --color-border-strong:  #C7C7CC;
    --color-link:           #0071E3;
    --color-link-hover:     #0077ED;
    --color-fill-primary:   #0071E3;
    --color-fill-primary-hover: #0077ED;
    --color-film:    #0071E3;
    --color-drama:   #AF52DE;
    --color-comic:   #FF9500;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
    --shadow-xl: 0 24px 80px rgba(0,0,0,0.12);
    --shadow-glow-blue: 0 0 40px rgba(0,113,227,0.15);
    --color-glow-blue: rgba(0,113,227,0.1);
    --shadow-glow-purple: 0 0 40px rgba(175,82,222,0.15);
    --color-glow-purple: rgba(175,82,222,0.08);
    --shadow-glow-orange: 0 0 40px rgba(255,149,0,0.15);
    --color-glow-orange: rgba(255,149,0,0.07);
    --shadow-card-hover: 0 20px 60px rgba(0,0,0,0.15);
    --glass-bg: rgba(255,255,255,0.8);
    --glass-border: rgba(0,0,0,0.08);
  }
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.5;
  letter-spacing: -0.01em;
  overflow-x: hidden;
  position: relative;
}

/* —— 流动渐变光团（aurora blobs）全局沉浸背景 —— */
.aurora-bg {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.aurora-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  will-change: transform, opacity;
}
.aurora-blob:nth-child(1) {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--aurora-1), transparent 70%);
  top: -10%; left: -8%;
  animation: auroraDrift1 22s ease-in-out infinite alternate;
}
.aurora-blob:nth-child(2) {
  width: 520px; height: 520px;
  background: radial-gradient(circle, var(--aurora-2), transparent 70%);
  top: 30%; right: -10%;
  animation: auroraDrift2 26s ease-in-out infinite alternate;
}
.aurora-blob:nth-child(3) {
  width: 480px; height: 480px;
  background: radial-gradient(circle, var(--aurora-3), transparent 70%);
  bottom: -10%; left: 30%;
  animation: auroraDrift3 30s ease-in-out infinite alternate;
}
.aurora-blob:nth-child(4) {
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--aurora-4), transparent 70%);
  top: 55%; left: 45%;
  animation: auroraDrift4 24s ease-in-out infinite alternate;
}
@keyframes auroraDrift1 {
  0%   { transform: translate(0,0) scale(1); opacity: 0.45; }
  100% { transform: translate(120px,80px) scale(1.25); opacity: 0.6; }
}
@keyframes auroraDrift2 {
  0%   { transform: translate(0,0) scale(1.1); opacity: 0.35; }
  100% { transform: translate(-100px,120px) scale(0.9); opacity: 0.55; }
}
@keyframes auroraDrift3 {
  0%   { transform: translate(0,0) scale(0.9); opacity: 0.3; }
  100% { transform: translate(80px,-100px) scale(1.3); opacity: 0.5; }
}
@keyframes auroraDrift4 {
  0%   { transform: translate(0,0) scale(1); opacity: 0.4; }
  100% { transform: translate(-80px,-60px) scale(1.2); opacity: 0.55; }
}

/* —— 全局胶片颗粒遮罩 —— */
.grain-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: 9998;
  pointer-events: none;
  opacity: var(--grain-opacity);
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}

/* 内容层级在光团之上 */
header, .section, .cta-section, footer { position: relative; z-index: 2; }
.hero { z-index: 1; }

@media (prefers-reduced-motion: reduce) {
  .aurora-blob { animation: none; opacity: 0.3; }
  .grain-overlay { opacity: 0.02; }
}

img { max-width: 100%; display: block; }
a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--d-fast) var(--ease-standard);
  cursor: pointer;
}
a:hover { color: var(--color-link-hover); }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

::selection {
  background: rgba(10,132,255,0.3);
  color: var(--color-text-primary);
}

/* 滚动条美化 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover { background: var(--color-text-tertiary); }

/* —— 容器 —— */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 22px;
}
.container-wide {
  max-width: var(--container-wide);
  padding-left: 22px;
  padding-right: 22px;
  margin: 0 auto;
}
.container-ultrawide {
  max-width: var(--container-ultrawide);
  padding-left: 22px;
  padding-right: 22px;
  margin: 0 auto;
}

/* —— 排版 —— */
h1, h2, h3, h4 {
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: -0.022em;
  color: var(--color-text-primary);
}
h1 {
  font-size: clamp(44px, 8vw, 96px);
  font-weight: 500;
  letter-spacing: -0.035em;
  font-family: var(--font-display);
  font-variation-settings: "opsz" 96;
}
h2 {
  font-size: clamp(34px, 5.5vw, 60px);
  font-weight: 500;
  font-family: var(--font-display);
  font-variation-settings: "opsz" 72;
  letter-spacing: -0.03em;
}
h3 {
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 600;
}
h4 {
  font-size: 21px;
  font-weight: 600;
}
p {
  color: var(--color-text-secondary);
  font-size: 17px;
  line-height: 1.5;
}

.eyebrow {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-link);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.lead {
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 400;
  line-height: 1.4;
  color: var(--color-text-secondary);
}

/* —— 区块标题 —— */
.section {
  padding: 96px 0;
  position: relative;
}
.section-title {
  text-align: center;
  margin-bottom: 64px;
}
.section-title .eyebrow,
.section-title h2,
.section-title > p {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.section-title .eyebrow { transition-delay: 0s; }
.section-title h2 { transition-delay: 0.08s; }
.section-title > p { transition-delay: 0.16s; }
.section-title.visible .eyebrow,
.section-title.visible h2,
.section-title.visible > p,
.section.animate-on-scroll.visible .eyebrow,
.section.animate-on-scroll.visible h2,
.section.animate-on-scroll.visible > p {
  opacity: 1;
  transform: translateY(0);
}
.section-title h2 {
  margin-bottom: 16px;
}
.section-title p {
  max-width: 600px;
  margin: 0 auto;
  font-size: 19px;
}

/* —— 按钮：主按钮（胶囊填充） —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--color-fill-primary);
  color: #FFFFFF;
  border-radius: var(--radius-pill);
  font-size: 17px;
  font-weight: 400;
  line-height: 1;
  white-space: nowrap;
  transition: all var(--d-fast) var(--ease-standard);
  -webkit-tap-highlight-color: transparent;
  box-shadow: 0 4px 20px rgba(10,132,255,0.3);
}
.btn:hover {
  color: #FFFFFF;
  text-decoration: none;
  background: var(--color-fill-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(10,132,255,0.4);
}
.btn:active {
  transform: translateY(0);
}
.btn-lg {
  padding: 18px 36px;
  font-size: 19px;
}
.btn i {
  transition: transform var(--d-fast) var(--ease-emphasized);
}
.btn:hover i {
  transform: translateX(3px);
}

/* 次按钮 */
.btn-secondary {
  background: rgba(255,255,255,0.15);
  color: #FFFFFF;
  border: 1px solid rgba(255,255,255,0.35);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.55);
  color: #FFFFFF;
  box-shadow: 0 8px 36px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.1);
}

/* —— 文字链接 —— */
.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-link);
  font-size: 17px;
  font-weight: 400;
  transition: all var(--d-fast) var(--ease-standard);
}
.cta-link::after {
  content: "›";
  font-size: 20px;
  line-height: 1;
  transition: transform var(--d-fast) var(--ease-emphasized);
}
.cta-link:hover {
  color: var(--color-link-hover);
  text-decoration: none;
  gap: 10px;
}
.cta-link:hover::after {
  transform: translateX(3px);
}
.cta-link-light {
  color: #FFFFFF;
  opacity: 0.9;
}
.cta-link-light:hover {
  color: #FFFFFF;
  opacity: 1;
}
.cta-link-dark {
  color: var(--color-text-primary);
}

/* —— 导航栏 —— */
header {
  position: fixed;
  top: var(--nav-floating-top);
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 16px;
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 24px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(255,255,255,0.03) inset;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
header .container::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-pill);
  padding: 1px;
  background: var(--iridescent-border);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--d-standard) var(--ease-standard);
  pointer-events: none;
}
header.scrolled .container::before { opacity: 0.6; }
header .container:hover::before { opacity: 0.8; }
header.scrolled .container {
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-lg);
}
.logo {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, var(--aurora-1), var(--aurora-2), var(--aurora-3));
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 6s ease-in-out infinite;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  position: relative;
  padding: 8px 16px;
  font-size: 15px;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--d-fast) var(--ease-standard);
}
.nav-links a:hover {
  color: var(--color-text-primary);
  text-decoration: none;
  background: var(--glass-bg);
}
.nav-links a.active {
  color: var(--color-text-primary);
  background: var(--glass-bg);
}
.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-link);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  color: var(--color-text-primary);
  border-radius: var(--radius-md);
  transition: background var(--d-fast);
}
.mobile-menu-btn:hover {
  background: var(--glass-bg);
}
.mobile-menu-btn i {
  font-size: 18px;
}

/* —— Hero 区域 —— */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 22px 100px;
  text-align: center;
  overflow: hidden;
  background: #000000;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: #000000;
  background-image:
    radial-gradient(ellipse 80% 60% at 20% 20%, var(--color-glow-blue), transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 30%, var(--color-glow-purple, rgba(191,90,242,0.12)), transparent 60%),
    radial-gradient(ellipse 70% 50% at 50% 80%, var(--color-glow-orange, rgba(255,159,10,0.1)), transparent 60%);
  animation: heroGlowPulse 8s ease-in-out infinite alternate;
}
@keyframes heroGlowPulse {
  0% { opacity: 0.8; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.05); }
}
.hero-video {
  position: absolute;
  top: -6%;
  left: -6%;
  width: 112%;
  height: 112%;
  object-fit: cover;
  z-index: 0;
  filter: saturate(0.85) contrast(1.1) brightness(0.92);
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 1.5s ease, transform 6s ease-out;
}
.hero-video.is-ready {
  opacity: 1;
  transform: scale(1);
}
.hero-overlay {
  position: absolute;
  top: -6%;
  left: -6%;
  width: 112%;
  height: 112%;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(to bottom,
      rgba(0,0,0,0.80) 0%,
      rgba(0,0,0,0.40) 30%,
      rgba(0,0,0,0.55) 55%,
      rgba(0,0,0,0.78) 80%,
      #000000 100%),
    radial-gradient(ellipse 70% 60% at 50% 45%, rgba(0,0,0,0.35) 0%, transparent 60%),
    linear-gradient(to right, rgba(0,0,0,0.3) 0%, transparent 20%, transparent 80%, rgba(0,0,0,0.3) 100%);
}
.hero-grain {
  position: absolute;
  top: -6%;
  left: -6%;
  width: 112%;
  height: 112%;
  z-index: 2;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px 160px;
}
@media (prefers-reduced-motion: reduce) {
  .hero-video { opacity: 1; }
  .hero-grain { animation: none; }
}
.hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-content .container {
  position: relative;
  z-index: 3;
  max-width: 860px;
}
.hero-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeInUp var(--d-content) var(--ease-enter) 0.2s forwards;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.92);
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-pill);
  transition: all var(--d-fast) var(--ease-standard);
}
.hero-tag i {
  font-size: 12px;
  opacity: 0.7;
}
.hero-tag:hover {
  color: #FFFFFF;
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.hero-tag:hover i {
  opacity: 1;
}
.hero-title {
  margin-bottom: 28px;
  font-size: clamp(44px, 8vw, 92px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.06;
  font-family: var(--font-display);
  font-variation-settings: "opsz" 96;
  text-shadow: 0 4px 30px rgba(0,0,0,0.6), 0 1px 3px rgba(0,0,0,0.4);
  background: linear-gradient(120deg, #FFFFFF 0%, #FFFFFF 28%, var(--aurora-2) 58%, var(--aurora-1) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0;
  animation: fadeInUp var(--d-hero) var(--ease-enter) 0.3s forwards, gradientShift 8s ease-in-out infinite;
}
@keyframes gradientShift {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}
.hero .lead {
  max-width: 620px;
  margin: 0 auto 44px;
  font-size: clamp(17px, 2.2vw, 22px);
  line-height: 1.6;
  color: rgba(255,255,255,0.88);
  text-shadow: 0 2px 16px rgba(0,0,0,0.7);
  opacity: 0;
  animation: fadeInUp var(--d-hero) var(--ease-enter) 0.5s forwards;
}
.hero-cta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp var(--d-hero) var(--ease-enter) 0.7s forwards;
}
.hero-cta .cta-link {
  font-size: 19px;
}
.hero-cta .btn-lg {
  padding: 18px 38px;
  font-size: 18px;
  font-weight: 500;
  cursor: pointer;
}
.hero-cta .btn-lg:focus-visible {
  outline: 2px solid rgba(255,255,255,0.6);
  outline-offset: 3px;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(32px); }
  to { opacity: 1; transform: translateY(0); }
}

/* —— 滚动提示 —— */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  opacity: 0;
  animation: fadeInUp var(--d-content) var(--ease-enter) 1s forwards;
}
.scroll-indicator span {
  display: block;
  width: 26px;
  height: 42px;
  border: 2px solid rgba(255,255,255,0.35);
  border-radius: var(--radius-pill);
  position: relative;
}
.scroll-indicator span::after {
  content: "";
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--color-text-tertiary);
  border-radius: 2px;
  animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  50% { transform: translateX(-50%) translateY(8px); opacity: 0.3; }
}

/* —— 三大业务：特色磁贴卡 —— */
.tiles-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-tile {
  position: relative;
  min-height: 480px;
  padding: 48px 40px 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.feature-tile::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--d-standard) var(--ease-standard);
}
.feature-tile:hover {
  transform: translateY(-8px);
}
.feature-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  padding: 1px;
  background: var(--iridescent-border);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--d-standard) var(--ease-standard);
  pointer-events: none;
}
.feature-tile:hover::after { opacity: 1; }
.feature-tile:hover::before {
  opacity: 1;
}
.tile-film {
  background: linear-gradient(145deg, #0A84FF 0%, #0055CC 100%);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow-blue);
}
.tile-film::before {
  background: radial-gradient(ellipse at top right, rgba(255,255,255,0.15), transparent 60%);
}
.tile-drama {
  background: linear-gradient(145deg, #BF5AF2 0%, #8E44C7 100%);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow-purple);
}
.tile-drama::before {
  background: radial-gradient(ellipse at top right, rgba(255,255,255,0.15), transparent 60%);
}
.tile-comic {
  background: linear-gradient(145deg, #FF9F0A 0%, #E68A00 100%);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow-orange);
}
.tile-comic::before {
  background: radial-gradient(ellipse at top right, rgba(255,255,255,0.15), transparent 60%);
}
.tile-eyebrow {
  position: relative;
  z-index: 1;
  font-size: 14px;
  font-weight: 600;
  opacity: 0.85;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.feature-tile h3 {
  position: relative;
  z-index: 1;
  color: #FFFFFF;
  font-size: clamp(24px, 2.5vw, 34px);
  font-weight: 600;
  margin-bottom: 16px;
}
.tile-desc {
  position: relative;
  z-index: 1;
  color: rgba(255,255,255,0.85);
  font-size: 17px;
  line-height: 1.5;
  max-width: 320px;
}
.tile-cta {
  position: relative;
  z-index: 1;
  margin-top: 28px;
}
.tile-visual {
  position: absolute;
  right: -20px;
  bottom: -20px;
  font-size: 180px;
  opacity: 0.12;
  line-height: 1;
  transition: all var(--d-standard) var(--ease-emphasized);
}
.feature-tile:hover .tile-visual {
  transform: scale(1.1) rotate(-5deg);
  opacity: 0.2;
}

/* —— 分栏布局 —— */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.split-section.reverse {
  direction: rtl;
}
.split-section.reverse > * {
  direction: ltr;
}
.split-text h3 {
  margin-bottom: 24px;
}
.split-text p {
  font-size: 17px;
  line-height: 1.6;
  margin-bottom: 16px;
}
.split-text p:last-of-type {
  margin-bottom: 28px;
}
.split-visual {
  min-height: 400px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.split-visual i {
  font-size: 100px;
  color: rgba(255,255,255,0.9);
  position: relative;
  z-index: 1;
  transition: transform var(--d-standard) var(--ease-spring);
}
.split-visual:hover i {
  transform: scale(1.1) rotate(-5deg);
}
.split-visual::after {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  filter: blur(60px);
}

.gradient-film {
  background: linear-gradient(145deg, #0A84FF 0%, #0055CC 100%);
  box-shadow: var(--shadow-glow-blue);
}
.gradient-drama {
  background: linear-gradient(145deg, #BF5AF2 0%, #8E44C7 100%);
  box-shadow: var(--shadow-glow-purple);
}
.gradient-comic {
  background: linear-gradient(145deg, #FF9F0A 0%, #E68A00 100%);
  box-shadow: var(--shadow-glow-orange);
}

/* —— 文本卡片 —— */
.text-card {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  padding: 48px;
  border: 1px solid var(--color-border-subtle);
}
.text-card p {
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 20px;
}
.text-card p:last-child {
  margin-bottom: 0;
}

/* —— 特性三栏 —— */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  border: 1px solid var(--color-border-subtle);
  text-align: center;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}
.feature::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: var(--iridescent-border);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--d-standard) var(--ease-standard);
  pointer-events: none;
}
.feature:hover::after { opacity: 0.8; }
.feature:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-lg);
}
.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: #FFFFFF;
  font-size: 26px;
  transition: all var(--d-standard) var(--ease-spring);
}
.feature:hover .feature-icon {
  transform: scale(1.1) rotate(-5deg);
}
.feature h4 {
  margin-bottom: 12px;
}
.feature p {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* —— Bento Grid 布局 —— */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 280px);
  gap: 20px;
}
.bento-card {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  padding: 36px;
  border: 1px solid var(--color-border-subtle);
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}
.bento-card:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.bento-card.large {
  grid-column: span 2;
  grid-row: span 2;
}
.bento-card.wide {
  grid-column: span 2;
}
.bento-card.tall {
  grid-row: span 2;
}
.bento-card h4 {
  position: relative;
  z-index: 1;
  margin-bottom: 12px;
}
.bento-card p {
  position: relative;
  z-index: 1;
  font-size: 15px;
  max-width: 300px;
}
.bento-card .bento-icon {
  position: absolute;
  right: 24px;
  bottom: 24px;
  font-size: 80px;
  opacity: 0.15;
  transition: all var(--d-standard) var(--ease-spring);
}
.bento-card:hover .bento-icon {
  transform: scale(1.15) rotate(-8deg);
  opacity: 0.25;
}

/* —— 案例网格 —— */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 24px;
}
.portfolio-card {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid var(--color-border-subtle);
}
.portfolio-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-strong);
}
.portfolio-card .thumb {
  height: 260px;
  overflow: hidden;
  position: relative;
  background: var(--color-bg-tertiary);
}
.portfolio-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--d-content) var(--ease-standard);
}
.portfolio-card:hover .thumb img {
  transform: scale(1.06);
}
.portfolio-card .body {
  padding: 28px;
}
.portfolio-card .body h4 {
  margin-bottom: 10px;
}
.portfolio-card .body p {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}
.badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  color: #FFFFFF;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.1);
}

/* —— Tab —— */
.tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 56px;
  flex-wrap: wrap;
  padding: 6px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-subtle);
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}
.tab-btn {
  padding: 10px 24px;
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--d-fast) var(--ease-standard);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.tab-btn:hover {
  color: var(--color-text-primary);
  background: var(--glass-bg);
}
.tab-btn.active {
  background: var(--color-fill-primary);
  color: #FFFFFF;
  box-shadow: 0 2px 12px rgba(10,132,255,0.3);
}
.tab-content { display: none; }
.tab-content.active { display: block; }

/* —— 职位卡片 —— */
.jobs-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}
.job-card {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  padding: 32px 36px;
  border: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}
.job-card:hover {
  border-color: var(--color-link);
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}
.job-info h4 {
  margin-bottom: 8px;
}
.job-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.job-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--color-text-tertiary);
}
.job-meta span i {
  font-size: 12px;
  color: var(--color-link);
}
.job-card .btn {
  padding: 10px 20px;
  font-size: 15px;
  flex-shrink: 0;
}

/* —— 统计数字 —— */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item {
  padding: 32px 16px;
}
.stat-number {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 600;
  background: linear-gradient(135deg, var(--color-text-primary), var(--color-link));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 12px;
}
.stat-label {
  font-size: 15px;
  color: var(--color-text-secondary);
}

/* —— 联系信息 —— */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.contact-card {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  padding: 40px 28px;
  text-align: center;
  border: 1px solid var(--color-border-subtle);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.contact-card:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.contact-card i {
  font-size: 36px;
  color: var(--color-link);
  margin-bottom: 20px;
}
.contact-card h4 {
  margin-bottom: 8px;
}
.contact-card p {
  font-size: 15px;
}

/* —— 滚动渐入 —— */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(28px) scale(0.98);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* stagger delay */
.animate-on-scroll.delay-1 { transition-delay: 0.08s; }
.animate-on-scroll.delay-2 { transition-delay: 0.16s; }
.animate-on-scroll.delay-3 { transition-delay: 0.24s; }

/* —— 页脚 —— */
footer {
  background: var(--color-bg-secondary);
  padding: 64px 0 32px;
  border-top: 1px solid var(--color-border-subtle);
  margin-top: 96px;
}
.footer-content {
  text-align: center;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: 24px;
}
.footer-content .logo {
  font-size: 22px;
  margin-bottom: 12px;
  display: inline-block;
}
.footer-content p {
  color: var(--color-text-secondary);
  font-size: 15px;
}
.copyright {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--color-text-tertiary);
  font-size: 12px;
}
.copyright a {
  color: var(--color-text-secondary);
  transition: color var(--d-instant) linear;
}
.copyright a:hover {
  color: var(--color-link);
}

/* —— 内页标题区 —— */
.page-header {
  padding: 140px 0 64px;
  text-align: center;
}
.page-header h1 {
  margin-bottom: 16px;
}
.page-header p {
  max-width: 600px;
  margin: 0 auto;
  font-size: 19px;
}

/* —— CTA 区块 —— */
.cta-section {
  text-align: center;
  padding: 96px 22px;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 50% 50%, var(--color-glow-blue), transparent 70%);
}
.cta-section .container {
  position: relative;
  z-index: 1;
}
.cta-section h2 {
  margin-bottom: 20px;
}
.cta-section p {
  max-width: 500px;
  margin: 0 auto 36px;
  font-size: 19px;
}

/* —— Reduced motion —— */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .animate-on-scroll { opacity: 1; transform: none; }
  .hero-tags, .hero h1, .hero .lead, .hero-cta { opacity: 1; transform: none; animation: none; }
  .hero-bg { animation: none; }
  html { scroll-behavior: auto; }
}

/* —— 响应式：平板 —— */
@media (max-width: 1068px) {
  .tiles-grid-3 { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .feature-tile { min-height: 400px; }
  .split-section, .split-section.reverse {
    grid-template-columns: 1fr;
    gap: 40px;
    direction: ltr;
  }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
  }
  .bento-card.large, .bento-card.wide, .bento-card.tall {
    grid-column: span 1;
    grid-row: span 1;
    min-height: 280px;
  }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .contact-grid { grid-template-columns: 1fr; max-width: 400px; }
  .split-visual { min-height: 320px; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}

/* —— 响应式：手机 —— */
@media (max-width: 734px) {
  :root {
    --nav-floating-top: 10px;
  }
  .section { padding: 64px 0; }
  .hero { padding: 110px 16px 70px; }
  .hero-cta {
    flex-direction: column;
    gap: 14px;
    width: 100%;
  }
  .hero-cta .btn { width: 100%; }
  .hero-title { font-size: clamp(38px, 11vw, 60px); }
  .hero-tags { gap: 8px; margin-bottom: 24px; }
  .hero-tag { font-size: 12px; padding: 6px 14px; }
  .nav-links { display: none; }
  .mobile-menu-btn { display: flex; }
  .text-card { padding: 32px 24px; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .feature-tile { min-height: 380px; padding: 40px 28px 0; }
  .tile-visual { font-size: 120px; }
  .container { padding: 0 16px; }
  .container-wide, .container-ultrawide { padding-left: 16px; padding-right: 16px; }
  .features-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .bento-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .split-visual { min-height: 260px; }
  .split-visual i { font-size: 72px; }
  .section-title { margin-bottom: 48px; }
  .feature { padding: 36px 24px; }
  .job-card {
    flex-direction: column;
    text-align: center;
    padding: 28px 24px;
  }
  .job-meta { justify-content: center; }
  .job-card .btn { width: 100%; }
  .copyright { justify-content: center; text-align: center; }
  .page-header { padding: 120px 16px 48px; }
  .cta-section { padding: 64px 16px; }
  .scroll-indicator { display: none; }
  footer { padding: 48px 0 24px; margin-top: 64px; }
}

/* —— 超宽屏优化 —— */
@media (min-width: 1441px) {
  .hero { padding: 220px 22px 180px; }
}






/* —— 商务合作方案弹窗 —— */
.coop-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0s linear 0.5s;
}
.coop-modal.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.5s ease;
}
.coop-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.coop-modal-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  padding: 40px 36px 36px;
  border-radius: 24px;
  background: linear-gradient(160deg, #1C1C1E 0%, #0A0A0C 100%);
  border: 1px solid rgba(255,255,255,0.15);
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
  transform: translateY(24px) scale(0.98);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.coop-modal.is-open .coop-modal-card {
  transform: translateY(0) scale(1);
}
.coop-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.08);
  color: #A1A1A6;
  cursor: pointer;
  transition: all 0.2s ease;
}
.coop-close:hover {
  color: #FFFFFF;
  border-color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.15);
  transform: rotate(90deg);
}
.coop-modal-title {
  margin: 8px 0 12px;
  font-size: 26px;
  font-weight: 700;
  background: linear-gradient(120deg, #FFFFFF, #BF5AF2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.coop-modal-desc {
  margin-bottom: 28px;
  color: #A1A1A6;
  font-size: 15px;
  line-height: 1.7;
}
.coop-grid {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 28px;
  align-items: start;
}
.coop-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.coop-item:last-child { border-bottom: none; }
.coop-item > i {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 15px;
  color: #0A84FF;
  background: rgba(10,132,255,0.15);
}
.coop-text { display: flex; flex-direction: column; gap: 2px; }
.coop-label {
  font-size: 12px;
  color: #86868B;
  letter-spacing: 0.04em;
}
.coop-val {
  font-size: 15px;
  color: #F5F5F7;
  word-break: break-all;
}
.coop-val a { color: #409CFF; text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 0.2s ease; }
.coop-val a:hover { border-color: #409CFF; }
.coop-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px 16px;
  border-radius: 16px;
  background: #2C2C2E;
  border: 1px solid rgba(255,255,255,0.08);
  text-align: center;
}
.coop-qr img {
  width: 160px;
  height: 160px;
  border-radius: 12px;
  background: #fff;
  padding: 6px;
}
.coop-qr-tip {
  font-size: 12px;
  color: #86868B;
  margin: 0;
}
.coop-qr-wx {
  font-size: 16px;
  font-weight: 600;
  color: #F5F5F7;
  letter-spacing: 0.02em;
}
.btn-sm {
  padding: 9px 16px;
  font-size: 13px;
}
.coop-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  z-index: 1100;
  padding: 12px 22px;
  border-radius: 999px;
  background: #2C2C2E;
  border: 1px solid rgba(255,255,255,0.15);
  color: #F5F5F7;
  font-size: 14px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0s linear 0.2s;
}
.coop-toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

@media (max-width: 640px) {
  .coop-grid { grid-template-columns: 1fr; }
  .coop-qr { flex-direction: row; flex-wrap: wrap; justify-content: center; }
  .coop-qr img { width: 130px; height: 130px; }
  .coop-modal-card { padding: 36px 22px 28px; }
  .coop-modal-title { font-size: 22px; }
}