/* ============================================================
   站点共享样式 —— 广东咏声动漫官网
   依赖 tokens.css（设计变量）
   覆盖：重置 / 容器 / 导航 / Banner 首屏 / 按钮 / 页脚 / 响应式
   ============================================================ */

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

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

body {
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-white);
  line-height: var(--lh-tight);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ---------- 容器：基准 1440，左右留白 120 ---------- */
.container {
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
  padding-left: var(--sp-30);
  padding-right: var(--sp-30);
}

/* ============================================================
   导航 Nav
   ============================================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-height);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-divider);
}
.site-nav .container {
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}
.nav-logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.nav-logo img {
  width: var(--logo-w);
  height: var(--logo-h);
  object-fit: contain;
  border-radius: 4px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  margin-left: 40px;
}
.nav-links a {
  font-size: var(--fs-meta);
  font-weight: var(--fw-regular);
  color: var(--color-ink-soft);
  transition: color .2s ease;
}
.nav-links a:hover { color: var(--color-ink); }
.nav-links a.active { color: var(--color-ink); font-weight: var(--fw-medium); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: auto;
}
.nav-search {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink);
}
.nav-search svg { width: 20px; height: 20px; }
.nav-login {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  background: var(--color-ink);
  color: var(--color-white);
  font-size: var(--fs-foot);
  font-weight: var(--fw-medium);
  transition: opacity .2s ease;
}
.nav-login:hover { opacity: .85; }

/* ============================================================
   Banner 首屏
   ============================================================ */
.hero { width: 100%; }
.hero-banner { width: 100%; }
.hero-banner img {
  width: 100%;
  height: auto;
  display: block;
}
.hero-slogan {
  width: 100%;
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-faint);
  padding: var(--sp-6) var(--sp-30);
}
.hero-slogan span {
  font-size: var(--fs-display);
  font-weight: var(--fw-bold);
  line-height: 56px;
  color: var(--color-ink);
  text-align: center;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  padding: var(--sp-8) var(--sp-30) var(--sp-10);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 32px;
  border-radius: var(--radius-pill);
  font-size: var(--fs-meta);
  font-weight: var(--fw-medium);
  transition: opacity .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-ink);
  color: var(--color-white);
}
.btn-primary:hover { opacity: .88; }
.btn-ghost {
  background: var(--color-white);
  color: var(--color-ink);
  border: 1.5px solid var(--color-ink);
}
.btn-ghost:hover { background: var(--color-ink); color: var(--color-white); }

/* ============================================================
   页脚 Footer
   ============================================================ */
.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: var(--sp-16) 0 var(--sp-10);
}
.site-footer .container {
  display: flex;
  flex-direction: column;
  gap: var(--sp-10);
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-8);
}
.footer-logo img {
  width: var(--logo-w);
  height: var(--logo-h);
  object-fit: contain;
}
.footer-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.footer-links a {
  font-size: var(--fs-foot);
  color: var(--color-footer-text);
  transition: color .2s ease;
}
.footer-links a:hover { color: var(--color-white); }
.footer-divider {
  height: 1px;
  background: var(--color-footer-divider);
}
.footer-bottom {
  font-size: var(--fs-foot);
  color: var(--color-footer-text);
  line-height: var(--lh-tight);
}
.footer-legal {
  display: flex; /* 页脚法律链接：用户协议/自审制度/隐私政策/未成年人保护条款 */
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--sp-4);
}
.footer-legal a {
  font-size: var(--fs-foot);
  color: var(--color-footer-text);
  transition: color .2s ease;
}
.footer-legal a:hover { color: var(--color-white); }
.footer-legal .sep { color: var(--color-footer-divider); }
.footer-copy {
  font-size: var(--fs-foot);
  color: var(--color-footer-text);
  line-height: var(--lh-tight);
}
.footer-copy a { color: var(--color-footer-text); text-decoration: underline; }
.footer-copy a:hover { color: var(--color-white); }

/* ============================================================
   登录 / 注册 Auth
   ============================================================ */
.auth {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  padding: var(--sp-30);
}
.auth-card {
  width: var(--card-width);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.auth-title {
  font-size: var(--fs-title);
  font-weight: var(--fw-light);
  color: var(--color-ink);
}
.auth-form { display: flex; flex-direction: column; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: var(--fs-foot); color: var(--color-ink); }
.field input {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  border: 1px solid #E2E2DC;
  border-radius: 10px;
  font-size: var(--fs-meta);
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-white);
}
.field input::placeholder { color: var(--color-ink-mute); }
.field input:focus { outline: none; border-color: var(--color-ink); }
.field.invalid input { border-color: var(--color-red); }
.field .err { font-size: 12px; color: var(--color-red); display: none; margin-top: 2px; }
.field.invalid .err { display: block; }

.auth-row {
  display: flex;
  justify-content: space-between;
  font-size: var(--fs-foot);
  color: var(--color-ink-soft);
}
.auth-row a { color: var(--color-ink-soft); transition: color .2s ease; }
.auth-row a:hover { color: var(--color-ink); }

.auth-note {
  width: var(--card-width);
  font-size: 13px;
  color: var(--color-red);
  text-align: center;
  min-height: 18px;
}

.auth-terms {
  width: var(--card-width);
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-size: var(--fs-tiny);
}
.auth-terms a { color: var(--color-ink-soft); transition: color .2s ease; }
.auth-terms a:hover { color: var(--color-ink); }

/* ============================================================
   内容页：作品网格 / 曲目列表 / 关于
   ============================================================ */
.section { padding: 80px var(--sp-30); }
.section-gray { background: var(--color-bg-gray); }
.page-title {
  font-size: var(--fs-title);
  font-weight: var(--fw-bold);
  color: var(--color-ink);
  margin-bottom: 40px;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.work-card { display: flex; flex-direction: column; gap: 12px; }
.work-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  object-fit: cover;
  background: var(--color-bg-gray);
}
.work-cover--video {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.work-poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.2s ease;
}
.work-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease;
}
/* 竖版视频：横版卡片内居中letterbox，灰底留白，卡片保持横版 */
.work-video--portrait {
  object-fit: contain;
  background: var(--color-bg-gray);
}
.work-cover--video.is-playing .work-poster { opacity: 0; }
.work-cover--video.is-playing .work-video { opacity: 1; visibility: visible; }
.play-badge {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(24, 25, 26, 0.55);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s ease;
  pointer-events: none;
}
.play-badge svg { width: 26px; height: 26px; margin-left: 3px; }
.work-cover--video.is-playing .play-badge { opacity: 0; }
.work-info { display: flex; flex-direction: column; gap: 4px; padding-top: 12px; }
.work-title { font-size: var(--fs-card); font-weight: var(--fw-medium); color: var(--color-ink); }
.work-meta { font-size: var(--fs-meta); color: var(--color-ink-soft); }

.track-list { display: flex; flex-direction: column; gap: 16px; }
.track {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: var(--color-white);
  border-radius: 12px;
}
.track-no { width: 40px; font-size: 20px; font-weight: var(--fw-bold); flex-shrink: 0; }
.track-cover {
  position: relative;
  width: 64px;
  height: 64px;
  border-radius: 12px;
  flex-shrink: 0;
  cursor: pointer;
  overflow: hidden;
}
.track-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: transform .2s ease, opacity .2s ease;
}
.track-play-btn svg { width: 26px; height: 26px; }
.track-cover:hover .track-play-btn { transform: scale(1.08); }
.track-cover .icon-pause { display: none; }
.track-cover.is-playing .icon-play,
.track-cover.is-playing .icon-pause { display: none; }
.track-cover .eq { display: none; align-items: flex-end; gap: 3px; height: 22px; }
.track-cover .eq span {
  width: 3px;
  height: 100%;
  background: #fff;
  border-radius: 2px;
  transform-origin: bottom;
  animation: eq 0.9s ease-in-out infinite;
}
.track-cover .eq span:nth-child(1) { animation-delay: 0s; }
.track-cover .eq span:nth-child(2) { animation-delay: 0.2s; }
.track-cover .eq span:nth-child(3) { animation-delay: 0.4s; }
.track-cover.is-playing .eq { display: inline-flex; }
.track-cover.is-playing { box-shadow: 0 0 0 2px rgba(24, 25, 26, 0.14); }
@keyframes eq {
  0%, 100% { transform: scaleY(0.35); }
  50% { transform: scaleY(1); }
}
.track-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.track-title { font-size: 18px; font-weight: var(--fw-medium); color: var(--color-ink); }
.track-credits { font-size: var(--fs-foot); color: var(--color-ink-soft); }

.about-wrap { max-width: 720px; margin: 0 auto; }
.about-text { font-size: var(--fs-body); line-height: var(--lh-body); color: var(--color-ink-soft); }

/* ============================================================
   法律条文页 Legal
   ============================================================ */
.legal { padding: 120px var(--sp-30); }
.legal-doc { max-width: 860px; margin: 0 auto; }
.legal-title { font-size: var(--fs-display); font-weight: var(--fw-bold); color: var(--color-ink); text-align: center; }
.legal-date { font-size: var(--fs-meta); color: var(--color-ink-soft); text-align: center; margin-top: var(--sp-3); }
.legal-h2 { font-size: var(--fs-h2); font-weight: var(--fw-bold); color: var(--color-ink); margin-top: var(--sp-10); }
.legal-h3 { font-size: var(--fs-h3); font-weight: var(--fw-bold); color: var(--color-ink); margin-top: var(--sp-8); }
.legal-p { font-size: var(--fs-body); line-height: var(--lh-body); color: var(--color-ink); margin-top: var(--sp-4); }
.legal-sign { font-size: var(--fs-card); font-weight: var(--fw-bold); color: var(--color-ink); text-align: center; margin-top: var(--sp-10); }
.legal-empty { font-size: var(--fs-body); line-height: var(--lh-body); color: var(--color-ink-soft); text-align: center; margin-top: var(--sp-10); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .container { padding-left: var(--sp-10); padding-right: var(--sp-10); }
  .nav-links { gap: 24px; margin-left: 24px; }
  .hero-slogan span { font-size: 28px; line-height: 40px; }
  .section { padding: 64px var(--sp-10); }
  .work-grid { grid-template-columns: repeat(2, 1fr); }
  .auth { padding: var(--sp-16) var(--sp-10); }
}

@media (max-width: 640px) {
  .site-nav { height: 60px; }
  .nav-links { display: none; }
  .hero-slogan { min-height: 72px; padding: var(--sp-4) var(--sp-6); }
  .hero-slogan span { font-size: 20px; line-height: 30px; }
  .hero-actions { flex-direction: column; align-items: stretch; padding: var(--sp-6) var(--sp-6) var(--sp-8); }
  .btn { width: 100%; }
  .footer-top { flex-direction: column; align-items: flex-start; gap: var(--sp-6); }
  .section { padding: 48px var(--sp-6); }
  .work-grid { grid-template-columns: 1fr; }
  .auth-card { width: 100%; }
  .auth-terms { width: 100%; }
  .track { flex-wrap: wrap; }
  .track-info { min-width: 0; flex-basis: 100%; order: 3; }
}

/* ---------- 协议勾选 ---------- */
.auth-accept {
  margin-top: 12px;
  display: flex;
  justify-content: center;
}
.auth-accept label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-foot);
  color: var(--color-ink-soft);
  cursor: pointer;
}
.auth-accept input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-ink);
}
.auth-accept a {
  color: var(--color-ink);
  text-decoration: underline;
}
.auth-accept a:hover { color: var(--color-ink-soft); }

/* ---------- 壁纸板块 ---------- */
.wallpaper-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: 24px;
  row-gap: 48px;
}
.wallpaper-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.wallpaper-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  object-fit: cover;
  background: var(--color-bg-gray);
}
.wallpaper-actions {
  display: flex;
  gap: 12px;
}
.wallpaper-actions .btn {
  flex: 1;
  height: 32px;
  padding: 0 12px;
  font-size: 13px;
}

/* ---------- 灯箱 ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.88);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.lightbox.is-open {
  display: flex;
}
.lightbox img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 12px;
}
.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  line-height: 1;
}
.lightbox-close:hover { background: rgba(255, 255, 255, 0.28); }

/* ---------- 会员中心 ---------- */
.member { padding: 120px var(--sp-30); }
.member-card {
  max-width: 720px;
  margin: 0 auto;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 64px;
  text-align: center;
}
.member-title {
  font-size: var(--fs-title);
  font-weight: var(--fw-bold);
  margin-bottom: 40px;
}
.benefits-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
  margin-bottom: 40px;
  list-style: none;
}
.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: var(--fs-body);
  color: var(--color-ink);
}
.benefit-item::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-ink);
  margin-top: 10px;
  flex-shrink: 0;
}
.member-price {
  font-size: 48px;
  font-weight: var(--fw-bold);
  color: var(--color-ink);
  margin-bottom: 32px;
}
.member-price span {
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  color: var(--color-ink-soft);
}

@media (max-width: 1024px) {
  .wallpaper-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .wallpaper-grid { grid-template-columns: 1fr; }
  .member-card { padding: 32px; }
  .member-price { font-size: 36px; }
}

/* 法律页子项标题 */
.legal-h4{font-size:16px;font-weight:600;line-height:1.6;margin:18px 0 8px;color:#1a1a1a;}