/* ==========================================================================
   深度触达 DEEPTOUCH — V7
   首页轻互动 / 四大类目分区 / 新增案例与基地内容
   ========================================================================== */

html {
  background: var(--paper);
  overflow-x: hidden;
}

a,
button { -webkit-tap-highlight-color: transparent; }

/* ------------------------------------------------------- category tokens -- */
.sec--live,
.sec-band--live {
  --cat: #bd6a2f;
  --cat-ink: #7a3f14;
  --cat-soft: #f0e0cd;
}
.sec--ai,
.sec-band--ai {
  --cat: #2f8a9e;
  --cat-ink: #155e6e;
  --cat-soft: #dceef0;
}
.sec--edu,
.sec-band--edu {
  --cat: #b08a2e;
  --cat-ink: #6f5310;
  --cat-soft: #f1e6c8;
}
.sec--about,
.sec-band--about {
  --cat: #3d6a57;
  --cat-ink: #274738;
  --cat-soft: #dfe9e2;
}

/* 一级版块顶部的类目识别线 */
.sec--live::before,
.sec--ai::before,
.sec--edu::before,
.sec--about::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: var(--cat);
  z-index: 2;
}
.sec--live .sec-head__no,
.sec--ai .sec-head__no,
.sec--edu .sec-head__no,
.sec--about .sec-head__no {
  -webkit-text-stroke-color: var(--cat);
}
.sec--live .sec-head .eyebrow,
.sec--ai .sec-head .eyebrow,
.sec--edu .sec-head .eyebrow,
.sec--about .sec-head .eyebrow {
  color: var(--cat-ink);
}
.sec--live .sec-head .eyebrow__line,
.sec--ai .sec-head .eyebrow__line,
.sec--edu .sec-head .eyebrow__line,
.sec--about .sec-head .eyebrow__line {
  background: var(--cat);
}

/* 深色子版块（如合作生态）保持浅色标题，不被类目色压暗 */
.sec-head--dark .sec-head__no {
  -webkit-text-stroke-color: rgba(245, 241, 230, 0.34);
}
.sec--live .sec-head--dark .eyebrow,
.sec--ai .sec-head--dark .eyebrow,
.sec--edu .sec-head--dark .eyebrow,
.sec--about .sec-head--dark .eyebrow {
  color: var(--paper-55);
}
.sec--live .sec-head--dark .eyebrow__line,
.sec--ai .sec-head--dark .eyebrow__line,
.sec--edu .sec-head--dark .eyebrow__line,
.sec--about .sec-head--dark .eyebrow__line {
  background: var(--gold);
}

/* ----------------------------------------------------------- section band -- */
.sec-band {
  position: relative;
  z-index: 1;
  background: var(--cat-soft);
  border-top: 2px solid var(--cat);
  border-bottom: 1px solid var(--line);
}
.sec-band__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 46px;
  padding-block: 9px;
  min-width: 0;
}
.sec-band__no {
  flex: none;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  line-height: 1;
  color: var(--cat);
}
.sec-band__name {
  flex: none;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.4;
  color: var(--cat-ink);
}
.sec-band__en {
  flex: none;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.14em;
  line-height: 1.4;
  color: var(--ink-3);
}
.sec-band__line {
  flex: 1;
  height: 1px;
  min-width: 12px;
  background: rgba(16, 25, 35, 0.14);
}
.sec-band__note {
  flex: none;
  font-size: 10.5px;
  line-height: 1.5;
  color: var(--ink-3);
}
.sec-band--cross {
  background: var(--space);
  border-top: 2px solid rgba(228, 180, 92, 0.55);
  border-bottom-color: rgba(245, 241, 230, 0.12);
}
.sec-band--cross .sec-band__no { color: var(--gold); }
.sec-band--cross .sec-band__name { color: rgba(245, 241, 230, 0.9); }
.sec-band--cross .sec-band__en { color: rgba(245, 241, 230, 0.38); }
.sec-band--cross .sec-band__line { background: rgba(245, 241, 230, 0.14); }
.sec-band--cross .sec-band__note { color: rgba(245, 241, 230, 0.45); }

.sec--cross .sec-head__no {
  font-size: clamp(40px, 4.4vw, 62px);
  -webkit-text-stroke-color: rgba(228, 180, 92, 0.7);
}
.sec--cross .sec-head .eyebrow { color: var(--gold-deep); }
.sec--cross .sec-head .eyebrow__line { background: var(--gold); }

/* 首屏底部数据条：让横向滚动在两端自然淡出，避免文字被硬切 */
.ticker {
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
}

/* ------------------------------------------------------- hero: quick nav -- */
.hero-quick {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  margin-top: 26px;
  padding: 2px 2px 6px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
}
.hero-quick::-webkit-scrollbar { display: none; }
.hero-quick__item {
  flex: none;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 9px 14px;
  border: 1px solid rgba(245, 241, 230, 0.24);
  border-radius: 999px;
  background: rgba(5, 11, 20, 0.48);
  color: rgba(245, 241, 230, 0.82);
  font-size: 12px;
  line-height: 1.3;
  letter-spacing: 0.02em;
  scroll-snap-align: start;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background 0.25s var(--ease);
}
.hero-quick__item span {
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: 0.08em;
  color: var(--gold);
}
.hero-quick__item:hover,
.hero-quick__item:focus-visible {
  border-color: var(--gold);
  background: rgba(228, 180, 92, 0.12);
  color: var(--paper);
}
.hero-quick__item:active { background: rgba(228, 180, 92, 0.2); }
.biz:active {
  border-color: var(--gold);
  background: rgba(10, 22, 35, 0.9);
}

/* ------------------------------------------------------- hero: scroll cue -- */
.hero__scroll {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  margin-top: 20px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  line-height: 1;
  color: rgba(245, 241, 230, 0.62);
}
.hero__scroll svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
  animation: heroCue 1.8s ease-in-out infinite;
}
.hero__scroll:hover { color: var(--paper); }
@keyframes heroCue {
  0%, 100% { transform: translateY(-1px); opacity: 0.55; }
  50% { transform: translateY(4px); opacity: 1; }
}

/* ------------------------------------------------------- hero: tap glow -- */
.hero__bg picture { transition: transform 0.7s var(--ease); }
.hero.is-tapping .hero__bg picture { transform: scale(1.012); }
.hero__tap {
  position: absolute;
  z-index: 6;
  left: 0;
  top: 0;
  width: 190px;
  height: 190px;
  margin: -95px 0 0 -95px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(120, 219, 234, 0.46), rgba(228, 180, 92, 0.16) 44%, transparent 70%);
  opacity: 0;
  transform: scale(0.35);
  pointer-events: none;
  mix-blend-mode: screen;
}
.hero.is-tapping .hero__tap { animation: heroTap 0.68s var(--ease) forwards; }
@keyframes heroTap {
  0% { opacity: 0.9; transform: scale(0.35); }
  100% { opacity: 0; transform: scale(1.55); }
}

/* --------------------------------------------------- shared media lightbox -- */
.media-link { position: relative; display: block; overflow: hidden; }
.media-link::after {
  content: "看大图";
  position: absolute;
  right: 9px;
  bottom: 9px;
  z-index: 2;
  padding: 3px 7px;
  border: 1px solid rgba(245, 241, 230, 0.28);
  background: rgba(5, 11, 20, 0.72);
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.05em;
  line-height: 1.5;
  color: rgba(245, 241, 230, 0.9);
  opacity: 0;
  transition: opacity 0.25s var(--ease);
}
.media-link:hover::after,
.media-link:focus-visible::after { opacity: 1; }
.media-link img { transition: transform 0.55s var(--ease); }
.media-link:hover img { transform: scale(1.035); }

/* ---------------------------------------------------------- creative live -- */
.creative__body p,
.social-card__desc,
.drama__copy > p,
.manga-head__copy > p { text-wrap: pretty; }
.creative-live { margin-top: clamp(44px, 5vw, 68px); }
.creative-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  min-width: 0;
}
.creative {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--paper-3);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.creative:hover { border-color: var(--cat); }
.creative--feature {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
}
.creative__media {
  position: relative;
  display: block;
  overflow: hidden;
  background: #0a1520;
}
.creative__media img { width: 100%; height: 100%; object-fit: cover; }
.creative:not(.creative--feature) > .creative__media { aspect-ratio: 4 / 5; }
.creative--feature .creative__media {
  aspect-ratio: 0.87 / 1;
  border-right: 1px solid var(--line);
}
.creative__media--phone img { object-fit: cover; }
.creative__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 22px 22px;
  min-width: 0;
}
.creative__tag {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.07em;
  line-height: 1.7;
  color: var(--cat-ink);
}
.creative__body h4 {
  font-family: var(--serif);
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 600;
  line-height: 1.25;
}
.creative__body p { font-size: 12.5px; line-height: 1.85; color: var(--ink-2); }
.creative__body .creative__meta {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.04em;
  color: var(--ink-3);
}
.creative--feature .creative__body { justify-content: center; padding: 28px 30px; }
.creative--feature .creative__body h4 { font-size: clamp(30px, 3.4vw, 44px); }
.creative--feature .creative__body > p { max-width: 36em; }
.creative__trio {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  padding: 6px;
  background: #0a1520;
}
.creative__trio a {
  position: relative;
  display: block;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: #0a1520;
}
.creative__trio img { width: 100%; height: 100%; object-fit: cover; }

/* ------------------------------------------------------------- AI social -- */
.social-grid { display: flex; flex-direction: column; gap: 14px; }
.social-card {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  border: 1px solid var(--line);
  background: var(--paper-3);
  transition: border-color 0.3s var(--ease);
}
.social-card:hover { border-color: var(--cat); }
.social-card__media { border-right: 1px solid var(--line); background: #0a1520; }
.social-card__media img {
  width: 100%;
  height: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: top center;
}
.social-card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 24px;
  min-width: 0;
}
.social-card__tag {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.07em;
  line-height: 1.7;
  color: var(--cat-ink);
}
.social-card h4 {
  font-family: var(--serif);
  font-size: clamp(22px, 2.1vw, 28px);
  font-weight: 600;
  line-height: 1.3;
}
.social-card__desc { max-width: 42em; font-size: 12.5px; line-height: 1.85; color: var(--ink-2); }
.social-card__stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.social-card__stat b {
  font-family: var(--serif);
  font-size: 38px;
  font-weight: 600;
  line-height: 1;
  color: var(--gold-deep);
}
.social-card__stat b span { font-family: var(--mono); font-size: 12px; }
.social-card__stat > span { min-width: 0; font-size: 10px; line-height: 1.5; color: var(--ink-3); }

a.gallery__row {
  color: inherit;
  text-decoration: none;
}
a.gallery__row:focus-visible { outline-offset: -2px; }
a.gallery__row:hover img { border-color: var(--cat); }

/* ------------------------------------------------------------- AI drama -- */
.drama {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  margin-top: clamp(44px, 5vw, 68px);
  padding-top: 26px;
  border-top: 1px solid var(--ink);
}
.drama__poster { border: 1px solid var(--line); background: #0a1520; }
.drama__poster img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.drama__copy h3 {
  margin-top: 10px;
  font-family: var(--serif);
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 600;
  line-height: 1.2;
}
.drama__copy > p { margin-top: 12px; font-size: 13px; line-height: 1.9; color: var(--ink-2); }
.drama__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.drama__facts li {
  padding: 5px 10px;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.03em;
  color: var(--ink-3);
}

/* --------------------------------------------------------- AI manga band -- */
.manga-band {
  margin-top: clamp(46px, 5vw, 68px);
  padding: clamp(26px, 3.6vw, 44px);
  background: var(--space);
  color: var(--paper);
  border-top: 2px solid var(--cat);
}
.manga-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px 36px;
}
.manga-head__copy { max-width: 720px; }
.manga-head .eyebrow { color: rgba(120, 219, 234, 0.78); }
.manga-head .eyebrow__line { background: var(--cyan); }
.manga-head h3 {
  margin-top: 12px;
  font-family: var(--serif);
  font-size: clamp(26px, 3.2vw, 42px);
  font-weight: 600;
  line-height: 1.25;
  color: var(--paper);
}
.manga-head__copy > p { margin-top: 10px; font-size: 12.5px; line-height: 1.85; color: var(--paper-72); }
.manga-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin-top: 22px;
  padding: 14px 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}
.manga-facts li { display: flex; align-items: baseline; gap: 6px; }
.manga-facts b {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  line-height: 1;
  color: var(--gold);
}
.manga-facts span { font-size: 9.5px; color: var(--paper-55); }
.manga-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}
.manga-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border: 1px solid var(--line-dark);
  background: rgba(245, 241, 230, 0.035);
  transition: border-color 0.3s var(--ease);
}
.manga-card:hover { border-color: rgba(120, 219, 234, 0.45); }
.manga-card__media { border-bottom: 1px solid var(--line-dark); background: #0a0f16; }
.manga-card__media img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.manga-card__body { display: flex; flex-direction: column; gap: 7px; padding: 15px 16px 16px; height: 100%; }
.manga-card__tag {
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: 0.06em;
  color: rgba(120, 219, 234, 0.72);
}
.manga-card h4 {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--paper);
}
.manga-data {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line-dark);
}
.manga-data b {
  display: block;
  font-family: var(--serif);
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: 600;
  line-height: 1.2;
  color: var(--gold);
}
.manga-data span { display: block; margin-top: 3px; font-size: 8px; line-height: 1.5; color: var(--paper-55); }
.manga-foot {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 8px;
  line-height: 1.7;
  color: var(--paper-40);
}

/* ------------------------------------------------------ about: base photo -- */
.base-photo { margin-top: 24px; }
.base-photo .media-link { border: 1px solid var(--line); background: #0a1520; }
.base-photo img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.base-photo figcaption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 24px;
  padding-top: 10px;
  font-family: var(--mono);
  font-size: 8.5px;
  line-height: 1.7;
  color: var(--ink-3);
}
.base-photo figcaption span:first-child { color: var(--cat-ink); }

/* ----------------------------------------------------- about: media visit -- */
.media-visit { margin-top: clamp(40px, 5vw, 64px); }
.media-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.media-grid figure {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--paper-3);
  transition: border-color 0.3s var(--ease);
}
.media-grid figure:hover { border-color: var(--cat); }
.media-grid .media-link { aspect-ratio: 3 / 4; background: #0a1520; }
.media-grid img { width: 100%; height: 100%; object-fit: cover; }
.media-grid figcaption { padding: 10px 12px 12px; }
.media-grid figcaption b {
  display: block;
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
}
.media-grid figcaption span {
  display: block;
  margin-top: 3px;
  font-family: var(--mono);
  font-size: 7.5px;
  line-height: 1.6;
  color: var(--ink-3);
}

/* ------------------------------------------------------- case tile link -- */
a.case-tile { display: block; color: inherit; text-decoration: none; }
.case-tile__zoom {
  position: absolute;
  right: 8px;
  bottom: 8px;
  z-index: 2;
  padding: 3px 7px;
  border: 1px solid rgba(245, 241, 230, 0.26);
  background: rgba(5, 13, 23, 0.76);
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.04em;
  line-height: 1.5;
  color: rgba(245, 241, 230, 0.9);
  opacity: 0;
  transition: opacity 0.25s var(--ease);
}
.case-tile:hover .case-tile__zoom,
.case-tile:focus-visible .case-tile__zoom { opacity: 1; }

/* ------------------------------------------------------------- responsive -- */
@media (max-width: 1080px) {
  .creative--feature { grid-template-columns: 280px minmax(0, 1fr); }
  .social-card { grid-template-columns: 220px minmax(0, 1fr); }
  .manga-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .creative--feature { grid-template-columns: 260px minmax(0, 1fr); }
  .manga-grid { grid-template-columns: minmax(0, 1fr); }
  .manga-card { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); }
  .manga-card__media { border-bottom: 0; border-right: 1px solid var(--line-dark); }
  .manga-card__media img { height: 100%; aspect-ratio: auto; }
}

@media (max-width: 760px) {
  .sec-band__inner { gap: 10px; min-height: 42px; padding-block: 8px; }
  .sec-band__no { font-size: 17px; }
  .sec-band__name { font-size: 12px; letter-spacing: 0.06em; }
  .sec-band__en,
  .sec-band__note { display: none; }

  .hero-quick { margin-top: 20px; gap: 7px; padding-bottom: 4px; }
  .hero-quick__item { padding: 8px 12px; font-size: 11.5px; }
  .hero__scroll { margin-top: 16px; }
  .hero__tap { width: 150px; height: 150px; margin: -75px 0 0 -75px; }

  .creative-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .creative--feature { grid-template-columns: minmax(0, 1fr); }
  .creative--feature .creative__media {
    aspect-ratio: 0.87 / 1;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .creative__body { padding: 17px 18px 18px; }
  .creative--feature .creative__body { padding: 20px 18px 22px; }
  .creative--feature .creative__body h4 { font-size: 30px; }
  .creative__trio a { aspect-ratio: 4 / 5; }

  .social-card { grid-template-columns: minmax(0, 1fr); }
  .social-card__media { border-right: 0; border-bottom: 1px solid var(--line); }
  .social-card__media img { aspect-ratio: 4 / 5; }
  .social-card__body { padding: 18px 18px 20px; }
  .social-card__stat b { font-size: 34px; }

  .drama { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .drama__poster img { aspect-ratio: 16 / 10; }
  .drama__copy h3 { font-size: 30px; }

  .manga-band { padding: 20px 18px 22px; }
  .manga-head h3 { font-size: 27px; }
  .manga-grid { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .manga-card { grid-template-columns: minmax(0, 1fr); }
  .manga-card__media { border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .manga-card__media img { aspect-ratio: 16 / 9; }
  .manga-data b { font-size: 19px; }

  .media-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .media-grid figure:first-child { grid-column: 1 / -1; }
  .media-grid figure:first-child .media-link { aspect-ratio: 16 / 11; }
  .media-grid figure:first-child img { object-position: center 38%; }
}

@media (max-width: 480px) {
  .hero-quick__item { padding: 8px 11px; font-size: 11px; }
  .case-mini__top b { font-size: 11px; }
  .case-mini__top i { display: none; }
  .creative__body h4 { font-size: 22px; }
  .creative--feature .creative__body h4 { font-size: 27px; }
  .social-card h4 { font-size: 22px; }
  .media-grid { grid-template-columns: minmax(0, 1fr); }
  .media-grid figure:first-child { grid-column: auto; }
  .media-grid figure:first-child .media-link { aspect-ratio: 3 / 4; }
}

@media (hover: none) {
  .media-link::after { opacity: 0.9; }
  .case-tile__zoom { opacity: 0.9; }
}

/* Per-site preference, initialized before styles load. */

html[data-motion="off"] .hero__scroll svg { animation: none; }

html[data-motion="off"] .hero__bg picture { transition: none; }

html[data-motion="off"] .hero.is-tapping .hero__bg picture { transform: none; }

html[data-motion="off"] .hero.is-tapping .hero__tap { animation: none; opacity: 0.55; }

html[data-motion="off"] .media-link img { transition: none; }