/* ==========================================================================
   深度触达 DEEPTOUCH — V8
   分区坐标强化 / 战略合作卡升级 / 清华长三角研究院认证卡
   ========================================================================== */

/* --------------------------------------------------- 01 category bands -- */
.sec-band {
  background: var(--cat-soft);
  background:
    linear-gradient(90deg,
      color-mix(in srgb, var(--cat-soft) 94%, #fff) 0%,
      var(--cat-soft) 46%,
      color-mix(in srgb, var(--cat-soft) 76%, var(--paper)) 100%);
  border-top: 1px solid color-mix(in srgb, var(--cat) 64%, var(--paper));
  border-bottom: 1px solid color-mix(in srgb, var(--cat) 26%, var(--line));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.52), 0 10px 24px rgba(16, 25, 35, 0.035);
}

.sec-band__inner {
  min-height: 54px;
  gap: 12px;
  padding-block: 10px;
}

.sec-band__no {
  display: grid;
  place-items: center;
  flex: none;
  width: 32px;
  height: 32px;
  border: 1px solid color-mix(in srgb, var(--cat) 44%, transparent);
  background: color-mix(in srgb, var(--cat) 9%, #fff);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1;
  color: var(--cat-ink);
}

.sec-band__name {
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--cat-ink);
}

.sec-band__en {
  font-size: 7.5px;
  letter-spacing: 0.15em;
  color: color-mix(in srgb, var(--cat-ink) 52%, var(--paper));
}

.sec-band__line {
  background: linear-gradient(90deg,
    color-mix(in srgb, var(--cat) 46%, transparent),
    color-mix(in srgb, var(--cat) 12%, transparent));
}

.sec-band__note {
  padding: 3px 9px;
  border: 1px solid color-mix(in srgb, var(--cat) 24%, transparent);
  background: rgba(255, 255, 255, 0.34);
  font-size: 9.5px;
  letter-spacing: 0.02em;
  line-height: 1.6;
  color: var(--cat-ink);
  white-space: nowrap;
}

/* 策划接口保持暗底金线，不参与四类目色 */
.sec-band--cross {
  --cat: var(--gold);
  --cat-ink: var(--gold);
  --cat-soft: #081522;
  background: linear-gradient(90deg, #07111d, #0b1a27 54%, #07111d);
  border-top-color: rgba(228, 180, 92, 0.58);
  border-bottom-color: rgba(245, 241, 230, 0.12);
  box-shadow: inset 0 1px 0 rgba(228, 180, 92, 0.08);
}

.sec-band--cross .sec-band__no {
  border-color: rgba(228, 180, 92, 0.38);
  background: rgba(228, 180, 92, 0.1);
  color: var(--gold);
}

.sec-band--cross .sec-band__note {
  border-color: rgba(228, 180, 92, 0.22);
  background: rgba(245, 241, 230, 0.04);
  color: var(--paper-55);
}

/* 分区之间统一呼吸：带下留白略收，避免带与标题之间出现第二层空档 */
.sec-band + .sec {
  padding-top: clamp(42px, 4.4vw, 66px);
}

.sec-head {
  margin-bottom: clamp(30px, 3.7vw, 46px);
}

.band--space {
  padding-block: clamp(50px, 5.4vw, 78px);
}

@media (max-width: 760px) {
  .sec-band__inner {
    min-height: 49px;
    gap: 8px;
    padding-block: 8px;
  }

  .sec-band__no {
    width: 28px;
    height: 28px;
    font-size: 9px;
  }

  .sec-band__name {
    font-size: 12.5px;
    letter-spacing: 0.07em;
  }

  .sec-band__en { display: none; }

  .sec-band__line { min-width: 8px; }

  .sec-band__note {
    display: -webkit-box;
    max-width: 44vw;
    overflow: hidden;
    padding: 2px 7px;
    font-size: 8.5px;
    line-height: 1.45;
    white-space: normal;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .sec-band + .sec {
    padding-top: 38px;
  }
}

/* --------------------------------------------- 02 strategic partners -- */
.partners {
  gap: 20px;
  margin-top: 34px;
  align-items: stretch;
}

.partner {
  display: flex;
  flex-direction: column;
  padding: 0;
  border-color: var(--line-dark);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease),
    background 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.partner:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.14);
}

.partner__visual {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  flex: none;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--line-dark);
  isolation: isolate;
}

.partner__visual > img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.6s var(--ease);
}

.partner:hover .partner__visual > img { transform: scale(1.025); }

.partner__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, transparent 58%, rgba(5, 11, 20, 0.64));
  pointer-events: none;
}

.partner__visual--hb {
  background: #0b2a66;
}

.partner__visual--hb:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}

.partner__visual-label {
  position: relative;
  z-index: 2;
  align-self: flex-start;
  margin: 0 0 12px 14px;
  padding: 3px 7px;
  border: 1px solid rgba(245, 241, 230, 0.24);
  background: rgba(5, 11, 20, 0.64);
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: rgba(245, 241, 230, 0.78);
}

.partner__visual--qminn {
  justify-content: space-between;
  padding: 20px 22px;
  background:
    radial-gradient(circle at 82% 14%, rgba(183, 156, 235, 0.2), transparent 46%),
    linear-gradient(145deg, rgba(143, 111, 208, 0.18), rgba(8, 21, 34, 0.92));
}

.partner__visual--qminn::after {
  background: linear-gradient(180deg, transparent 50%, rgba(5, 11, 20, 0.46));
}

.partner__monogram {
  position: absolute;
  right: 14px;
  top: -18px;
  z-index: 0;
  font-family: var(--serif);
  font-size: clamp(96px, 11vw, 150px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.06em;
  color: rgba(183, 156, 235, 0.11);
}

.partner__visual-kicker {
  position: relative;
  z-index: 2;
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: 0.14em;
  color: var(--paper-55);
}

.partner__visual-stat {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: auto;
  font-family: var(--serif);
  font-size: clamp(38px, 4.4vw, 54px);
  font-weight: 600;
  line-height: 0.95;
  color: var(--purple);
}

.partner__visual-stat span {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--paper-55);
}

.partner__visual-note {
  position: relative;
  z-index: 2;
  margin-top: 8px;
  font-size: 10px;
  line-height: 1.6;
  color: var(--paper-72);
}

.partner__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-width: 0;
  padding: 22px 24px 24px;
}

.partner__tag {
  font-size: 8.5px;
  letter-spacing: 0.13em;
}

.partner__name {
  margin-top: 8px;
  font-size: clamp(23px, 2.1vw, 29px);
  line-height: 1.24;
}

.partner__name span {
  margin-top: 2px;
  letter-spacing: 0.06em;
}

.partner__desc {
  margin-top: 11px;
  font-size: 12.5px;
  line-height: 1.85;
  text-wrap: pretty;
}

.partner__desc + .partner__desc { margin-top: 6px; }

.partner__facts {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 18px;
}

.partner__facts li {
  padding: 10px 10px 10px 0;
  border-bottom: 1px solid var(--line-dark);
}

.partner__facts li:nth-child(3n) { padding-right: 0; }

.partner__facts b {
  font-size: clamp(19px, 2vw, 25px);
  letter-spacing: -0.01em;
}

.partner__facts span {
  display: block;
  margin-top: 2px;
  font-size: 9.5px;
  line-height: 1.55;
}

.partner--hb .partner__facts b { color: var(--cyan); }

.partner__accounts-list {
  margin-top: 14px;
  border-top: 1px solid var(--line-dark);
}

.partner__accounts-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line-dark);
  font-size: 10.5px;
  color: var(--paper-72);
}

.partner__accounts-list b {
  flex: none;
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

.partner__source {
  margin-top: 9px;
  font-family: var(--mono);
  font-size: 7.5px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--paper-40);
}

@media (max-width: 980px) {
  .partners { grid-template-columns: 1fr; }
  .partner__visual { aspect-ratio: 16 / 8.6; }
}

@media (max-width: 760px) {
  .partners { gap: 14px; margin-top: 28px; }
  .partner__visual { aspect-ratio: 16 / 9.4; }
  .partner__visual-label { margin: 0 0 10px 11px; }
  .partner__visual--qminn { padding: 16px 18px; }
  .partner__body { padding: 18px 18px 20px; }
  .partner__name { font-size: 25px; }

  .partner__facts,
  .partner__facts--4,
  .partner--hb .partner__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .partner__facts b { font-size: 18px; }
  .partner__facts span { font-size: 8.5px; }

  .partner__accounts-list li { font-size: 10px; }
  .partner__accounts-list b { font-size: 14px; }
}

/* -------------------------------------- 03 academic certification card -- */
.academy {
  position: relative;
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr) 210px;
  gap: 24px 28px;
  align-items: start;
  margin-top: 40px;
  padding: 28px 30px 28px 32px;
  overflow: hidden;
  border: 1px solid var(--ink);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.58), transparent 56%),
    var(--paper-3);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset;
}

.academy::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--gold-deep);
}

.academy__seal {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 82px;
  height: 82px;
  border: 1px solid var(--gold-deep);
  border-radius: 50%;
  box-shadow: inset 0 0 0 5px var(--paper-3), inset 0 0 0 6px rgba(125, 83, 18, 0.28);
  color: var(--gold-deep);
  text-align: center;
}

.academy__seal::before,
.academy__seal::after {
  content: "";
  position: absolute;
  width: 5px;
  height: 5px;
  border: 1px solid var(--gold-deep);
  transform: rotate(45deg);
}

.academy__seal::before { top: 10px; left: 10px; }
.academy__seal::after { right: 10px; bottom: 10px; }

.academy__seal-zh {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.08em;
}

.academy__seal-en {
  font-family: var(--mono);
  font-size: 6.5px;
  line-height: 1.4;
  letter-spacing: 0.12em;
  opacity: 0.72;
}

.academy__body { min-width: 0; }

.academy__tag {
  font-family: var(--mono);
  font-size: 8px;
  line-height: 1.6;
  letter-spacing: 0.13em;
  color: var(--gold-deep);
}

.academy__name {
  margin-top: 7px;
  font-family: var(--serif);
  font-size: clamp(23px, 2.4vw, 31px);
  font-weight: 600;
  line-height: 1.3;
}

.academy__desc {
  max-width: 46em;
  margin-top: 9px;
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--ink-2);
  text-wrap: pretty;
}

.academy__points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 18px;
  border-top: 1px solid var(--line);
}

.academy__points li {
  padding: 10px 14px 0 0;
  font-size: 10.5px;
  line-height: 1.65;
  color: var(--ink-2);
}

.academy__points span {
  display: block;
  margin-bottom: 3px;
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
}

.academy__side {
  display: flex;
  flex-direction: column;
  align-self: stretch;
  gap: 3px;
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.academy__since {
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--gold-deep);
}

.academy__since-label {
  font-size: 9.5px;
  line-height: 1.6;
  color: var(--ink-3);
}

.academy__side .btn {
  align-self: flex-start;
  margin-top: auto;
}

@media (max-width: 980px) {
  .academy {
    grid-template-columns: 78px minmax(0, 1fr);
    padding: 24px 24px 24px 27px;
  }

  .academy__seal { width: 74px; height: 74px; }

  .academy__side {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px 14px;
    padding: 14px 0 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .academy__side .btn { margin-top: 0; margin-left: auto; }
}

@media (max-width: 760px) {
  .academy {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 32px;
    padding: 20px 18px 20px 21px;
  }

  .academy__seal {
    width: 64px;
    height: 64px;
  }

  .academy__seal-zh { font-size: 13px; }
  .academy__seal-en { font-size: 5.8px; }
  .academy__name { font-size: 25px; }

  .academy__points {
    grid-template-columns: 1fr;
    margin-top: 14px;
  }

  .academy__points li {
    padding: 8px 0;
    border-bottom: 1px solid var(--line);
  }

  .academy__points li:last-child { border-bottom: 0; }

  .academy__side {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  .academy__side .btn {
    align-self: stretch;
    justify-content: center;
    margin-top: 12px;
  }
}

/* ------------------------------------------ 04 case / data card rhythm -- */
.case-tile,
.case-mini,
.creative,
.social-card,
.kol__card {
  transition: transform 0.32s var(--ease), border-color 0.32s var(--ease),
    background 0.32s var(--ease), box-shadow 0.32s var(--ease);
}

.case-tile__body {
  display: flex;
  flex-direction: column;
  padding: 14px 15px 16px;
}

.case-tile__brand {
  font-size: clamp(18px, 1.7vw, 21px);
  line-height: 1.34;
}

.case-tile__head span {
  font-size: 8px;
  color: var(--cat-ink);
}

.case-tile__gmv {
  margin-top: 10px;
  padding-top: 9px;
  border-top: 1px solid var(--line);
}

.case-tile__gmv b { font-size: clamp(25px, 2.4vw, 31px); }

.case-tile__meta {
  margin-top: 7px;
  font-size: 10.5px;
  line-height: 1.7;
}

.datawall__grid {
  margin-top: 28px;
  border-top-color: rgba(228, 180, 92, 0.32);
}

.datawall__grid li {
  padding: 17px 18px 19px;
}

.dw__num {
  font-size: clamp(32px, 3.6vw, 46px);
  letter-spacing: -0.015em;
}

.dw__label {
  margin-top: 7px;
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--paper-72);
}

.dw__unit {
  margin-top: 3px;
  font-size: 8.5px;
  color: var(--paper-40);
}

.social-card__body { padding: 24px 26px; }
.social-card__stat { padding-top: 16px; }
.social-card__stat b { font-size: clamp(36px, 3.4vw, 44px); }

.kol__card { padding: 24px 26px 26px; }

@media (max-width: 760px) {
  .case-tile__body { padding: 12px 12px 14px; }
  .case-tile__brand { font-size: 16px; }
  .case-tile__gmv b { font-size: 25px; }
  .case-tile__meta { font-size: 9.8px; }
  .social-card__body { padding: 18px 18px 20px; }
  .kol__card { padding: 20px 19px 22px; }
  .datawall__grid { margin-top: 24px; }
  .datawall__grid li { padding: 14px 12px 15px; }
  .dw__num { font-size: 31px; }
  .dw__label { font-size: 10.5px; }
}

/* 统一 hover / tap：只抬 2px，避免卡片墙产生跳动感 */
@media (hover: hover) {
  .case-tile:hover,
  .case-mini:hover,
  .creative:hover,
  .social-card:hover,
  .kol__card:hover {
    transform: translateY(-2px);
  }

  .case-tile:hover {
    border-color: var(--gold);
    box-shadow: 0 14px 28px rgba(16, 25, 35, 0.07);
  }

  .social-card:hover,
  .creative:hover {
    box-shadow: 0 14px 28px rgba(16, 25, 35, 0.05);
  }
}

@media (hover: none) {
  .case-tile:active,
  .case-mini:active,
  .creative:active,
  .social-card:active,
  .kol__card:active,
  .partner:active {
    transform: scale(0.995);
  }
}

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

html[data-motion="off"] .sec-band,
html[data-motion="off"] .partner,
html[data-motion="off"] .partner__visual > img,
html[data-motion="off"] .case-tile,
html[data-motion="off"] .case-mini,
html[data-motion="off"] .creative,
html[data-motion="off"] .social-card,
html[data-motion="off"] .kol__card,
html[data-motion="off"] .academy {
    transition: none;
  }

html[data-motion="off"] .case-tile:hover,
html[data-motion="off"] .case-mini:hover,
html[data-motion="off"] .creative:hover,
html[data-motion="off"] .social-card:hover,
html[data-motion="off"] .kol__card:hover,
html[data-motion="off"] .partner:hover {
    transform: none;
  }

html[data-motion="off"] .partner:hover .partner__visual > img { transform: none; }