:root {
  --ink: #2b251d;
  --ink-soft: #594f42;
  --paper: #fbf7ed;
  --paper-warm: #f3ead8;
  --paper-deep: #e7d7bb;
  --jade: #325747;
  --jade-deep: #203c32;
  --cinnabar: #a24732;
  --gold: #bd8b3f;
  --gold-soft: #ead6a8;
  --muted: rgba(89, 79, 66, 0.72);
  --faint: rgba(89, 79, 66, 0.45);
  --line: rgba(105, 83, 52, 0.16);
  --line-strong: rgba(105, 83, 52, 0.26);
  --panel: rgba(255, 252, 244, 0.78);
  --glass: rgba(255, 252, 244, 0.58);
  --shadow: 0 28px 72px rgba(71, 52, 25, 0.16);
}

* { box-sizing: border-box; }

[v-cloak] { display: none; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 249, 234, 0.96), rgba(242, 230, 206, 0.92) 58%, rgba(251, 247, 237, 1)),
    radial-gradient(circle at 18% 8%, rgba(189, 139, 63, 0.16), transparent 26rem),
    var(--paper);
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(79, 58, 31, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 58, 31, 0.025) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, #000, transparent 76%);
}

body.modal-open { overflow: hidden; }

a {
  color: inherit;
  text-decoration: none;
}

button,
input { font: inherit; }

button {
  cursor: pointer;
  color: inherit;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 1px solid var(--amber);
  outline-offset: 4px;
}

.site-header {
  display: none;
  position: fixed;
  z-index: 20;
  top: 22px;
  left: 50%;
  width: min(1180px, calc(100% - 36px));
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 12px;
  color: var(--ink);
  background: rgba(255, 252, 244, 0.76);
  border: 1px solid var(--line);
  border-radius: 999px;
  backdrop-filter: blur(22px) saturate(1.15);
  box-shadow: 0 18px 60px rgba(79, 58, 31, 0.12);
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 650;
  letter-spacing: 0;
}

.brand span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  place-items: center;
  color: #fffaf0;
  background: linear-gradient(145deg, var(--cinnabar), var(--gold));
  border-radius: 50%;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.35), 0 10px 30px rgba(162,71,50,0.16);
  font-weight: 900;
}

nav {
  display: flex;
  gap: 6px;
  font-size: 13px;
}

nav a {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0 12px;
  color: rgba(43, 37, 29, 0.68);
  transition: color 180ms ease, background-color 180ms ease;
}

nav a:hover {
  color: var(--jade-deep);
  background: rgba(50, 87, 71, 0.08);
}

.hero {
  position: relative;
  min-height: 86vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--ink);
  background:
    linear-gradient(180deg, #fbf7ed, #efe1c5);
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 30%;
  content: "";
  background: linear-gradient(180deg, transparent, rgba(251, 247, 237, 0.72));
  pointer-events: none;
}

.hero-bg,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-bg {
  inset: 108px max(18px, calc((100vw - 1180px) / 2)) 92px auto;
  width: min(52vw, 680px);
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 20px;
  overflow: hidden;
  padding: 0;
  background: transparent;
  transform: none;
  opacity: 1;
  filter: none;
  box-shadow: 0 30px 90px rgba(51, 35, 17, 0.18);
  transition: background-image 0.6s ease, opacity 0.6s ease;
}

.hero-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(1.04) contrast(1.04);
  animation: bannerReveal 900ms cubic-bezier(0.23, 1, 0.32, 1) both;
}

.hero-bg.empty {
  background:
    linear-gradient(118deg, rgba(251,247,237,0.98) 0 32%, rgba(235,219,187,0.82) 54%, rgba(50,87,71,0.16) 100%),
    repeating-linear-gradient(90deg, rgba(83,64,32,0.045) 0 1px, transparent 1px 10px);
}

.hero-shade {
  inset: 0 auto 0 0;
  width: min(58vw, 820px);
  background:
    linear-gradient(90deg, rgba(251,247,237,0.98) 0%, rgba(251,247,237,0.9) 62%, rgba(251,247,237,0) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 136px 0 92px;
  animation: liftIn 900ms cubic-bezier(0.23, 1, 0.32, 1) both;
}

.portrait-wrap {
  width: 112px;
  height: 112px;
  overflow: hidden;
  border: 1px solid rgba(243, 238, 229, 0.46);
  border-radius: 50%;
  box-shadow: var(--shadow);
}

.portrait-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.eyebrow,
.section-heading span {
  margin: 24px 0 12px;
  color: var(--cinnabar);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
p { margin-top: 0; }

.hero h1 {
  width: min(650px, 100%);
  margin-bottom: 18px;
  font-family: "Songti SC", "STSong", "Noto Serif SC", "Times New Roman", serif;
  font-size: clamp(34px, 4.9vw, 64px);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: 0;
  text-wrap: balance;
}

.hero-copy {
  width: min(520px, 100%);
  color: rgba(43, 37, 29, 0.76);
  font-size: clamp(16px, 1.45vw, 19px);
  line-height: 2;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.primary-btn,
.ghost-btn {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 720;
  transition: transform 160ms ease, border-color 180ms ease, background-color 180ms ease, color 180ms ease;
}

.primary-btn:active,
.ghost-btn:active,
.video-card:active,
.feedback-card:active { transform: scale(0.98); }

.primary-btn {
  border: 1px solid rgba(162, 71, 50, 0.18);
  color: #fffaf0;
  background: linear-gradient(145deg, var(--cinnabar), #bd7044);
  box-shadow: 0 18px 42px rgba(162, 71, 50, 0.16);
}

.primary-btn:hover { background: linear-gradient(145deg, #b8573d, #ca854e); }

.ghost-btn {
  color: var(--jade-deep);
  border: 1px solid rgba(50, 87, 71, 0.24);
  background: rgba(255, 252, 244, 0.5);
}

.ghost-btn:hover {
  border-color: rgba(50, 87, 71, 0.38);
  background: rgba(50, 87, 71, 0.08);
}

.banner-dots {
  position: absolute;
  z-index: 4;
  right: max(24px, calc((100vw - 1180px) / 2));
  bottom: 54px;
  display: flex;
  gap: 9px;
}

.banner-dots button {
  width: 34px;
  height: 3px;
  border: 0;
  border-radius: 999px;
  background: rgba(50, 87, 71, 0.18);
}

.banner-dots button.active { background: var(--cinnabar); }

.intro-band {
  width: min(920px, calc(100% - 36px));
  margin: -32px auto 0;
  position: relative;
  z-index: 3;
  padding: 26px 34px;
  background: rgba(255, 252, 244, 0.86);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.intro-band p {
  margin: 0;
  color: rgba(43, 37, 29, 0.76);
  font-size: clamp(16px, 1.65vw, 20px);
  line-height: 2;
  text-align: center;
  text-wrap: balance;
}

.videos-section,
.testimonials-section {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 104px 0 18px;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(280px, 0.5fr);
  gap: 34px;
  align-items: end;
  margin-bottom: 34px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
}

.section-heading h2 {
  margin: 0;
  color: var(--ink);
  font-family: "Songti SC", "STSong", "Noto Serif SC", "Times New Roman", serif;
  font-size: clamp(30px, 3.7vw, 52px);
  font-weight: 500;
  letter-spacing: 0;
}

.section-heading p {
  max-width: 560px;
  margin-bottom: 4px;
  color: var(--muted);
  line-height: 1.9;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.video-card {
  display: grid;
  gap: 15px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 8px;
  text-align: left;
  background: rgba(255, 252, 244, 0.66);
  box-shadow: 0 20px 54px rgba(105, 83, 52, 0.08);
  transition: transform 240ms cubic-bezier(0.23, 1, 0.32, 1), border-color 200ms ease, background-color 200ms ease;
}

.video-card:hover {
  transform: translateY(-5px);
  border-color: rgba(162, 71, 50, 0.24);
  background: rgba(255, 252, 244, 0.9);
}

.poster {
  position: relative;
  aspect-ratio: 9 / 16;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(50, 87, 71, 0.36), rgba(189, 139, 63, 0.14)),
    repeating-linear-gradient(90deg, rgba(43,37,29,0.05) 0 1px, transparent 1px 8px);
  background-size: cover;
  background-position: center;
  background-color: #e9dfcf;
}

.poster-img,
.poster-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.poster::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 45%, rgba(28,24,18,0.38));
}

.play {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 50%;
  display: grid;
  width: 56px;
  height: 56px;
  place-items: center;
  transform: translate(-48%, -50%);
  color: #fffaf0;
  background: rgba(162, 71, 50, 0.92);
  border-radius: 999px;
  box-shadow: 0 14px 44px rgba(162,71,50,0.22);
  font-size: 20px;
}

.video-meta {
  display: grid;
  gap: 8px;
  padding: 0 6px 10px;
}

.video-meta strong {
  color: var(--ink);
  font-size: 17px;
  font-weight: 650;
}

.video-meta small {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.feedback-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  align-items: start;
}

.feedback-card {
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0;
  text-align: left;
  background: rgba(255, 252, 244, 0.72);
  transition: transform 220ms ease, border-color 180ms ease;
}

.feedback-card:hover {
  transform: translateY(-3px);
  border-color: rgba(162, 71, 50, 0.24);
}

.feedback-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  object-fit: cover;
  background: transparent;
  filter: saturate(0.92) contrast(1.02);
}

.feedback-card span {
  display: none;
  padding: 12px 14px;
  color: rgba(43, 37, 29, 0.78);
  font-size: 14px;
  font-weight: 650;
}

.empty-state {
  border: 1px dashed rgba(216, 210, 199, 0.22);
  border-radius: 2px;
  padding: 44px;
  color: var(--muted);
  background: rgba(255, 252, 244, 0.58);
  text-align: center;
}

footer {
  display: flex;
  width: min(1180px, calc(100% - 36px));
  margin: 86px auto 0;
  padding: 26px 0 42px;
  justify-content: space-between;
  color: var(--faint);
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.modal {
  position: fixed;
  z-index: 60;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(28, 24, 18, 0.72);
  backdrop-filter: blur(14px);
}

.modal video {
  width: auto;
  max-width: min(1080px, 94vw);
  max-height: 86vh;
  background: #000;
  box-shadow: var(--shadow);
}

.image-modal img {
  max-width: min(980px, 100%);
  max-height: 84vh;
  object-fit: contain;
  box-shadow: var(--shadow);
}

.modal-close {
  position: fixed;
  top: 22px;
  right: 24px;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(243, 238, 229, 0.2);
  color: var(--paper);
  background: rgba(243, 238, 229, 0.08);
  border-radius: 999px;
  font-size: 28px;
}

.section-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 760ms cubic-bezier(0.23, 1, 0.32, 1), transform 760ms cubic-bezier(0.23, 1, 0.32, 1);
}

.section-reveal.is-visible,
.hero.section-reveal {
  opacity: 1;
  transform: none;
}

@keyframes liftIn {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes bannerReveal {
  from {
    opacity: 0;
    transform: scale(1.035);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    transition-duration: 1ms !important;
  }
}


@media (max-width: 1100px) {
  .feedback-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .site-header {
    display: none;
  }

  nav {
    width: 100%;
    justify-content: space-between;
    gap: 4px;
  }

  nav a {
    padding: 0 8px;
  }

  .hero {
    min-height: auto;
  }

  .hero::after,
  .hero-shade {
    display: none;
  }

  .hero-bg {
    position: relative;
    inset: auto;
    width: min(100%, 560px);
    height: auto;
    aspect-ratio: 16 / 10;
    margin: 18px auto 0;
    padding: 0;
  }

  .hero-content {
    padding-top: 32px;
    padding-bottom: 76px;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .video-grid,
  .feedback-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .poster,
  .feedback-card img {
    aspect-ratio: 9 / 16;
  }

  .videos-section,
  .testimonials-section {
    width: min(100% - 18px, 1180px);
    padding-top: 52px;
  }

  .section-heading {
    margin-bottom: 14px;
    padding-bottom: 14px;
  }

  .section-heading h2 {
    font-size: 26px;
  }

  .section-heading p {
    display: none;
  }

  .video-card {
    gap: 7px;
    border-radius: 8px;
    padding: 4px;
  }

  .video-card:hover,
  .feedback-card:hover {
    transform: none;
  }

  .play {
    width: 34px;
    height: 34px;
    font-size: 13px;
  }

  .video-meta {
    gap: 0;
    padding: 0 2px 4px;
  }

  .video-meta strong {
    display: -webkit-box;
    overflow: hidden;
    font-size: 12px;
    line-height: 1.25;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .video-meta small {
    display: none;
  }

  .feedback-card {
    border-radius: 8px;
  }

  .modal {
    padding: 14px;
  }

  .modal video {
    width: auto;
    max-width: 94vw;
    max-height: 88vh;
  }

  .image-modal img {
    max-width: 94vw;
    max-height: 88vh;
  }

  .intro-band {
    padding: 24px 22px;
  }

  footer {
    flex-direction: column;
    gap: 8px;
  }
}