/* 全站通用：重置、排版、顶栏、按钮、弹层、页脚。各页专属样式在 home.css / works.css。 */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  background: var(--c-bg-deepest);
  color: var(--c-text);
  font: 400 var(--fs-body) / 1.65 var(--f-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
h1, h2, h3, p { margin: 0; }

.container {
  width: min(var(--w-content), 100% - 48px);
  margin-inline: auto;
}

.eyebrow {
  display: inline-block;
  font-size: var(--fs-small);
  letter-spacing: 0.24em;
  color: var(--c-text-3);
}

.section-title {
  font-size: var(--fs-h2);
  text-wrap: balance;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--c-text-strong);
}

.section-lead {
  max-width: var(--w-text);
  margin-top: var(--sp-md);
  font-size: var(--fs-lead);
  color: var(--c-text-3);
}

/* 高亮词：主色微光，只用于极少数关键字 */
.glow-text {
  background: linear-gradient(120deg, #ffffff 0%, var(--c-primary-soft) 55%, var(--c-primary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 28px var(--c-primary-glow));
}

/* ── 顶栏：首屏透明，滚动后出现半透明深底 ── */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-h);
  transition: background var(--t-slow) var(--ease), border-color var(--t-slow) var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(8, 9, 15, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--c-hairline);
}

.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-text-strong);
}

.brand img { width: 26px; height: auto; }

.nav {
  display: flex;
  gap: 36px;
  margin-left: auto;
  font-size: 15px;
  color: var(--c-text-2);
}

.nav a { transition: color var(--t-fast); }
.nav a:hover { color: var(--c-text-strong); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-left: 24px;
}

.link-quiet {
  font-size: 15px;
  color: var(--c-text-2);
  background: none;
  border: 0;
  cursor: pointer;
  transition: color var(--t-fast);
}

.link-quiet:hover { color: var(--c-text-strong); }

/* ── 按钮 ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 52px;
  padding: 0 30px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform var(--t-fast) var(--ease), background var(--t-fast),
    box-shadow var(--t-fast), border-color var(--t-fast);
}

.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn-primary {
  background: var(--c-primary);
  color: #fff;
  box-shadow: 0 10px 40px -10px var(--c-primary-glow);
}

.btn-primary:hover:not(:disabled) {
  background: var(--c-primary-soft);
  box-shadow: 0 14px 48px -8px var(--c-primary-glow);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.16);
  color: var(--c-text-strong);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.32); background: rgba(255, 255, 255, 0.08); }

.btn-sm { height: 40px; padding: 0 20px; font-size: 14px; }

/* ── 滚动淡入：慢、轻，减少动态效果时直接显示 ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}

.reveal.is-in { opacity: 1; transform: none; }

/* ── 弹层（登录 / 预约咨询 / 作品播放）── */
.modal {
  width: min(440px, 100% - 32px);
  padding: 0;
  border: 1px solid var(--c-hairline);
  border-radius: 24px;
  background: rgba(21, 22, 32, 0.86);
  color: var(--c-text);
  box-shadow: 0 40px 120px -20px rgba(0, 0, 0, 0.7), 0 0 80px -30px var(--c-primary-glow);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.modal::backdrop {
  background: rgba(4, 5, 10, 0.62);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.modal[open] { animation: modal-in var(--t-slow) var(--ease); }

@keyframes modal-in {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

.modal-body { position: relative; padding: 40px 36px 32px; }

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--c-text-3);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.modal-close:hover { background: rgba(255, 255, 255, 0.06); color: var(--c-text-strong); }

.modal-title {
  margin-top: 18px;
  font-size: 24px;
  font-weight: 600;
  color: var(--c-text-strong);
}

.modal-sub { margin-top: 6px; font-size: var(--fs-small); color: var(--c-text-3); }

/* ── 表单 ── */
.field {
  display: flex;
  align-items: center;
  height: 52px;
  margin-top: var(--sp-sm);
  padding: 0 6px 0 18px;
  border: 1px solid var(--c-line-2);
  border-radius: var(--r-md);
  background: rgba(8, 9, 15, 0.6);
  transition: border-color var(--t-fast);
}

.field:focus-within { border-color: var(--c-primary); }

.field-prefix { margin-right: 12px; color: var(--c-text-3); font-size: 15px; }

.field input {
  flex: 1;
  min-width: 0;
  height: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--c-text-strong);
  font: inherit;
  font-size: 16px;
  letter-spacing: 0.04em;
}

.field input::placeholder { color: var(--c-text-4); letter-spacing: 0; }

.code-btn {
  flex: none;
  min-width: 108px;
  height: 40px;
  padding: 0 14px;
  border: 0;
  border-radius: var(--r-sm);
  background: var(--c-primary-subtle);
  color: var(--c-primary-soft);
  font-size: 14px;
  cursor: pointer;
}

.code-btn:disabled { color: var(--c-text-4); background: rgba(255, 255, 255, 0.04); cursor: default; }

.agree {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: var(--sp-md);
  font-size: 13px;
  color: var(--c-text-3);
  line-height: 1.5;
  cursor: pointer;
}

.agree input { margin-top: 2px; accent-color: var(--c-primary); }
.agree a { color: var(--c-primary-soft); }

.form-error { min-height: 20px; margin-top: 12px; font-size: 13px; color: var(--c-error); }

.modal .btn-primary { width: 100%; margin-top: 4px; }

.modal-foot {
  margin-top: 18px;
  text-align: center;
  font-size: 13px;
  color: var(--c-text-4);
}

.modal-foot a { color: var(--c-text-3); }
.modal-foot a:hover { color: var(--c-text-strong); }

/* ── 页脚 ── */
.site-footer {
  padding: var(--sp-xl) 0 48px;
  border-top: 1px solid var(--c-line);
  background: var(--c-bg-deepest);
  font-size: var(--fs-small);
  color: var(--c-text-4);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--sp-lg);
}

.footer-links { display: flex; flex-wrap: wrap; gap: 28px; color: var(--c-text-3); }
.footer-links a:hover { color: var(--c-text-strong); }

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: var(--sp-lg);
}

/* 占位信息：素材 / 资质到位前统一标出，避免误以为是真数据 */
.ph-text { color: var(--c-text-4); }

/* ── 窄屏 ── */
@media (max-width: 860px) {
  .nav { display: none; }
  .header-actions { margin-left: auto; }
  .modal-body { padding: 36px 24px 28px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .modal[open] { animation: none; }
}

/* ── 作品弹层 ── */
.modal.player {
  width: min(880px, 100% - 32px);
  display: none;
  grid-template-columns: auto minmax(0, 1fr);
  overflow: hidden;
}

.modal.player[open] { display: grid; }
.modal.player.is-landscape { width: min(1080px, 100% - 32px); grid-template-columns: 1fr; }

.player-media { position: relative; background: #000; }
.player-media video, .player-media img, .player-media .ph { width: 100%; height: 100%; object-fit: contain; }
.modal.player:not(.is-landscape) .player-media { width: min(380px, 42vw); aspect-ratio: 9 / 16; }
.modal.player.is-landscape .player-media { aspect-ratio: 16 / 9; }

.player-info { padding: 40px 36px 32px; display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.player-info .modal-title { margin-top: 0; }
.player-logline { font-size: 16px; color: var(--c-text-2); }
.work-tags-inline { display: flex; gap: 8px; }
.player-where { margin-top: 8px; font-size: 14px; color: var(--c-text-3); }

@media (max-width: 860px) {
  .modal.player { grid-template-columns: 1fr; }
  .modal.player:not(.is-landscape) .player-media { width: 100%; max-height: 62vh; }
}