/* ==========================================================================
   觉心正念 — Base + 公共组件
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  background: var(--color-bg-page);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern", "liga", "calt";
}

::selection { background: var(--color-primary-200); color: var(--color-text-primary); }

a { color: var(--color-text-link); text-decoration: none; transition: color 0.2s var(--ease-out); }
a:hover { color: var(--color-primary-600); }

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

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  outline: none;
}

button { cursor: pointer; }

/* 标题默认 */
h1, h2, h3, h4, h5, h6 { font-weight: 500; line-height: 1.2; color: var(--color-text-primary); }

p { color: var(--color-text-primary); }

/* 容器 */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.container--wide { max-width: var(--container-wide); }
.container--narrow { max-width: var(--container-narrow); }

/* ============== 排版 utility ============== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-600);
}
.eyebrow::before {
  content: '';
  width: 1.5rem;
  height: 1px;
  background: var(--color-primary-500);
  display: inline-block;
}

.display {
  font-family: var(--font-serif-cn);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.display--xl {
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 500;
  line-height: 0.95;
}
.h2 {
  font-family: var(--font-serif-cn);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.015em;
}
.h3 {
  font-family: var(--font-serif-cn);
  font-size: var(--text-2xl);
  font-weight: 500;
  line-height: 1.3;
}
.lead {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.6;
  font-weight: 400;
  max-width: 36rem;
}

/* ============== 按钮 ============== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-full);
  font-size: var(--text-base);
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn--primary {
  background: var(--color-primary-500);
  color: var(--color-text-onPrimary);
  box-shadow: var(--shadow-button);
}
.btn--primary:hover {
  background: var(--color-primary-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-button-hover);
  color: #fff;
}
.btn--secondary {
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  border-color: var(--color-border-light);
}
.btn--secondary:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-300);
  transform: translateY(-2px);
}
.btn--ghost {
  background: transparent;
  color: var(--color-text-primary);
  padding: 0.5rem 0;
  border-radius: 0;
}
.btn--ghost::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0.3);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}
.btn--ghost:hover { color: var(--color-primary-600); }
.btn--ghost:hover::after { transform: scaleX(1); }
.btn--lg { padding: 1.125rem 2.25rem; font-size: var(--text-lg); }
.btn--xl { padding: 1.375rem 2.75rem; font-size: var(--text-lg); }

/* ============== 卡片 ============== */
.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all 0.4s var(--ease-out);
}
.card--hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* ============== 顶部导航 ============== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 246, 241, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  transition: background 0.3s ease;
}
.nav--scrolled { background: rgba(255, 255, 255, 0.92); box-shadow: var(--shadow-xs); }
.nav__inner {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--color-text-primary);
}
.nav__brand-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif-cn);
  font-size: 1.125rem;
  font-weight: 500;
}
.nav__brand-name {
  font-family: var(--font-serif-cn);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.nav__menu {
  display: flex;
  gap: 2rem;
  list-style: none;
  flex: 1;
  justify-content: center;
}
.nav__menu a {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  position: relative;
  padding: 0.25rem 0;
  font-weight: 400;
  transition: color 0.2s ease;
}
.nav__menu a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.25rem;
  height: 1px;
  background: var(--color-primary-500);
  transform: scaleX(0);
  transition: transform 0.3s var(--ease-out);
  transform-origin: center;
}
.nav__menu a:hover { color: var(--color-primary-600); }
.nav__menu a:hover::after,
.nav__menu a.is-active::after { transform: scaleX(1); }
.nav__menu a.is-active { color: var(--color-primary-600); }
.nav__cta {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.25rem;
  background: var(--color-text-primary);
  color: var(--color-bg-page);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all 0.2s var(--ease-out);
}
.nav__cta:hover { background: var(--color-primary-600); color: #fff; transform: translateY(-1px); }

/* ============== Section 通用 ============== */
.section {
  padding: var(--space-32) 0;
  position: relative;
}
.section--tight { padding: var(--space-20) 0; }
.section--warm { background: var(--gradient-warm); }
.section--cream { background: var(--color-bg-cream); }
.section--dark { background: var(--color-text-primary); color: var(--color-bg-page); }
.section--dark .h2, .section--dark h2, .section--dark .lead { color: #fff; }

.section__header {
  max-width: 48rem;
  margin: 0 auto var(--space-16);
  text-align: center;
}
.section__eyebrow {
  display: inline-block;
  font-size: var(--text-sm);
  color: var(--color-primary-600);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: var(--space-4);
}
.section__title {
  font-family: var(--font-serif-cn);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin-bottom: var(--space-4);
}
.section__sub {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 36rem;
  margin: 0 auto;
}

/* ============== Footer ============== */
.footer {
  background: var(--color-text-primary);
  color: var(--color-bg-page);
  padding: var(--space-24) 0 var(--space-8);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 22rem;
}
.footer__brand-name {
  font-family: var(--font-serif-cn);
  font-size: 1.5rem;
  font-weight: 500;
  color: #fff;
}
.footer__brand-desc {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}
.footer__col-title {
  font-size: var(--text-sm);
  color: var(--color-primary-400);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: var(--space-5);
}
.footer__list { list-style: none; }
.footer__list li { margin-bottom: 0.75rem; }
.footer__list a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-base);
  transition: color 0.2s ease;
}
.footer__list a:hover { color: #fff; }
.footer__disclaimer {
  padding: var(--space-6) 0 var(--space-8);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.7;
  max-width: 64rem;
}
.footer__disclaimer strong { color: rgba(255, 255, 255, 0.85); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.4);
}

/* ============== 通用 utility ============== */
.text-center { text-align: center; }
.text-serif { font-family: var(--font-serif-cn); }
.text-italic { font-style: italic; }
.muted { color: var(--color-text-secondary); }
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ============== 图片占位与封面 ============== */
.img-cover {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: var(--color-primary-50);
}
.img-wrap {
  position: relative;
  overflow: hidden;
  background: var(--gradient-warm);
}
.img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(184, 135, 122, 0.08) 100%);
  pointer-events: none;
}
.img-wrap img {
  transition: transform 0.6s var(--ease-out);
}
.img-wrap:hover img { transform: scale(1.04); }

/* ============== 视频卡片 ============== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.video-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-text-primary);
  aspect-ratio: 16/10;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s var(--ease-out);
}
.video-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.video-card__poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out);
}
.video-card:hover .video-card__poster { transform: scale(1.05); }
.video-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.0) 30%, rgba(0,0,0,0.55) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem 1.5rem;
  color: #fff;
}
.video-card__play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  transition: all 0.3s var(--ease-out);
}
.video-card:hover .video-card__play { background: #fff; transform: translate(-50%, -50%) scale(1.08); }
.video-card__play svg { color: var(--color-primary-600); margin-left: 4px; }
.video-card__title {
  font-family: var(--font-serif-cn);
  font-size: 1.0625rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
  color: #fff;
}
.video-card__meta {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.video-card__tag {
  display: inline-block;
  padding: 0.125rem 0.625rem;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  backdrop-filter: blur(8px);
}
.video-card__duration {
  font-family: var(--font-serif-en);
  font-style: italic;
  letter-spacing: 0.05em;
}

/* 上传区 */
.video-upload {
  margin-top: 2.5rem;
  padding: 2.5rem;
  border: 2px dashed var(--color-primary-300);
  border-radius: var(--radius-lg);
  background: var(--color-primary-50);
  text-align: center;
  transition: all 0.3s ease;
}
.video-upload:hover { border-color: var(--color-primary-500); background: var(--color-primary-100, rgba(212, 162, 148, 0.12)); }
.video-upload__icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: #fff;
}
.video-upload__title {
  font-family: var(--font-serif-cn);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}
.video-upload__hint {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.25rem;
}
.video-upload input[type="file"] { display: none; }
.video-upload__list {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  text-align: left;
}
.video-upload__item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-text-primary);
  aspect-ratio: 16/10;
}
.video-upload__item video { width: 100%; height: 100%; object-fit: cover; }
.video-upload__item-remove {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  cursor: pointer;
  border: none;
  transition: background 0.2s;
}
.video-upload__item-remove:hover { background: rgba(0,0,0,0.85); }

/* ============== QR 弹窗 ============== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(74, 50, 45, 0.55);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.modal-backdrop.is-open { opacity: 1; visibility: visible; }
.modal {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  max-width: 26rem;
  width: 100%;
  padding: 2.5rem 2rem 2rem;
  position: relative;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px) scale(0.96);
  transition: transform 0.3s var(--ease-out);
  max-height: 90vh;
  overflow-y: auto;
}
.modal-backdrop.is-open .modal { transform: translateY(0) scale(1); }
.modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--color-bg-subtle);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  font-size: 1.25rem;
  line-height: 1;
}
.modal__close:hover { background: var(--color-primary-100); color: var(--color-text-primary); }
.modal__title {
  font-family: var(--font-serif-cn);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-text-primary);
  text-align: center;
  margin-bottom: 0.25rem;
}
.modal__sub {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: 1.75rem;
}
.modal__qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 1.5rem;
}
.modal__qr img {
  width: 11rem;
  height: 11rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  background: #fff;
  padding: 0.5rem;
}
.modal__qr-hint {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  text-align: center;
}
.modal__divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
  color: var(--color-text-tertiary);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
}
.modal__divider::before,
.modal__divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border-light);
}
.modal__phone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}
.modal__phone-label {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.modal__phone-num {
  font-family: var(--font-serif-en);
  font-size: 2rem;
  font-weight: 500;
  color: var(--color-primary-600);
  letter-spacing: 0.05em;
  text-decoration: none;
  font-style: italic;
  transition: color 0.2s;
}
.modal__phone-num:hover { color: var(--color-accent-600); }
.modal__phone-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  background: var(--color-text-primary);
  color: #fff;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  margin-top: 0.25rem;
  transition: all 0.2s;
}
.modal__phone-cta:hover { background: var(--color-primary-600); color: #fff; transform: translateY(-1px); }
.modal__hours {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border-light);
  line-height: 1.7;
}
.modal__alt {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: center;
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}
.modal__alt a {
  color: var(--color-primary-600);
  font-weight: 500;
}

/* ============== 滚动入场 ============== */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ============== 响应式 ============== */
@media (max-width: 1024px) {
  .video-grid, .video-upload__list { grid-template-columns: repeat(2, 1fr); }
  .modal { max-width: 22rem; padding: 2rem 1.5rem 1.5rem; }
}
@media (max-width: 1024px) {
  .nav__menu { display: none; }
  .section { padding: var(--space-24) 0; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-10); }
}
@media (max-width: 640px) {
  html { font-size: 15px; }
  .container { padding: 0 var(--space-5); }
  .section { padding: var(--space-16) 0; }
  .section--tight { padding: var(--space-12) 0; }
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer__bottom { flex-direction: column; gap: var(--space-3); text-align: center; }
  .btn { padding: 0.75rem 1.5rem; font-size: var(--text-sm); }
  .btn--xl { padding: 1rem 2rem; }
}