/* ALLWELL — 品牌色 #405da9 / #36bde9 */

:root {
  --color-primary: #405da9;
  --color-accent: #36bde9;
  --color-primary-dark: #2f4780;
  --text: #1a1a2e;
  --text-muted: #5c6470;
  --border: #e8eaef;
  --bg-muted: #f0f2f6;
  --white: #fff;
  --wrap: 1320px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--white);
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  color: var(--color-accent);
}

.skip-link {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  padding: 8px 16px;
  background: var(--color-primary);
  color: var(--white);
  z-index: 3000;
}

.ref-wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

.ref-narrow {
  max-width: 720px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ----- Header：白底兩行（Logo → 選單 + 語言 + 搜尋） ----- */
.site-head {
  --site-head-v-gap: clamp(14px, 2.8vw, 20px);
  position: relative;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.site-head__inner {
  padding: 0;
}

.site-head__row--logo {
  padding: var(--site-head-v-gap) 0 0;
  border-bottom: none;
}

.site-head__logo {
  display: inline-block;
  line-height: 0;
  margin: 0;
  padding: 0;
}

.site-head__logo img {
  display: block;
  height: auto;
  width: auto;
  max-height: clamp(20px, 3.2vw, 34px);
  max-width: min(100%, clamp(100px, 28vw, 180px));
}

.site-head__row--nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
  padding: var(--site-head-v-gap) 0 var(--site-head-v-gap);
  border-top: none;
  position: relative;
}

.site-head__nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 clamp(8px, 1.5vw, 16px);
}

.site-head__nav a {
  padding: 6px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  border-radius: 2px;
}

.site-head__nav a:hover {
  color: var(--color-primary);
}

/* 主選單：下拉（桌面 hover／focus；手機按掣展開） */
.site-head__dd {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.site-head__dd-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 6px 0;
  font: inherit;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  background: none;
  border: none;
  border-radius: 2px;
  cursor: pointer;
}

.site-head__dd-btn:hover,
.site-head__dd-btn:focus-visible {
  color: var(--color-primary);
  outline: none;
}

.site-head__dd-btn::after {
  content: "";
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.65;
}

.site-head__dd-panel {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  min-width: 240px;
  padding: 8px 0;
  margin: 0;
  list-style: none;
  background: #3d4248;
  border-radius: 2px;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.28);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.site-head__dd-panel::before {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-left: 9px solid transparent;
  border-right: 9px solid transparent;
  border-bottom: 9px solid var(--color-accent);
}

.site-head__dd-panel a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.95);
  text-decoration: none;
  white-space: nowrap;
}

.site-head__dd-panel a:hover,
.site-head__dd-panel a:focus-visible {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  outline: none;
}

/* 業務範疇：三欄 mega menu */
.site-head__dd-panel--mega {
  min-width: 0;
  width: min(920px, calc(100vw - 32px));
  max-width: none;
  padding: 10px 0 14px;
}

.site-head__mega {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px 10px;
  padding: 4px 14px 2px;
}

.site-head__mega-col {
  min-width: 0;
}

.site-head__dd-panel--mega .site-head__mega-cat {
  display: block;
  padding: 10px 12px 8px;
  margin: 0 0 2px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent) !important;
  white-space: normal;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.site-head__dd-panel--mega .site-head__mega-sub {
  display: block;
  padding: 6px 12px 6px 18px;
  margin: 0;
  font-size: 13px;
  font-weight: 500;
  white-space: normal;
}

@media (min-width: 961px) {
  .site-head__dd:hover .site-head__dd-panel,
  .site-head__dd:focus-within .site-head__dd-panel {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
}

.site-head__tools {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.site-head__lang {
  padding: 6px 28px 6px 10px;
  font-size: 14px;
  font-family: inherit;
  font-weight: 500;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--white);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235c6470' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}

.site-head__lang:hover {
  color: var(--color-primary);
}

.site-head__search {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 2px;
}

.site-head__search:hover {
  color: var(--color-primary);
}

.site-head__burger {
  display: none;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  background: var(--white);
  border-radius: 2px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.site-head__burger span {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--color-primary);
}

@media (max-width: 960px) {
  .site-head__burger {
    display: flex;
    order: 1;
  }

  .site-head__tools {
    order: 2;
    margin-left: auto;
  }

  .site-head__nav {
    order: 3;
    flex: 1 0 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0;
    border-top: none;
  }

  body.ref-nav-open .site-head__nav {
    display: flex;
  }

  .site-head__nav > a,
  .site-head__dd-btn {
    padding: 10px 0;
    font-size: 14px;
  }

  .site-head__dd {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .site-head__dd-btn {
    justify-content: space-between;
    width: 100%;
    text-align: left;
  }

  .site-head__dd-panel {
    position: static;
    transform: none;
    left: auto;
    display: none;
    min-width: 0;
    width: 100%;
    margin: 0 0 4px;
    padding: 4px 0 8px;
    border-radius: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    background: #2f3338;
  }

  .site-head__dd-panel::before {
    display: none;
  }

  .site-head__dd.is-open .site-head__dd-panel {
    display: block;
  }

  .site-head__dd-panel a {
    padding: 10px 12px 10px 18px;
    font-size: 13px;
    white-space: normal;
  }

  .site-head__dd-panel--mega {
    width: 100%;
    padding: 4px 0 10px;
  }

  .site-head__mega {
    display: block;
    padding: 0 0 4px;
  }

  .site-head__mega-col {
    padding: 4px 0 10px;
    margin: 0 0 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .site-head__mega-col:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
  }

  .site-head__dd-panel--mega .site-head__mega-cat {
    border-bottom: none;
    padding: 10px 12px 6px;
  }

  .site-head__dd-panel--mega .site-head__mega-sub {
    padding-left: 20px;
  }
}

/* ----- Banner：底圖 40.png + 白卡靠下、部分疊出（參考瑞銀上下位置） ----- */
.site-banner {
  width: 100%;
  background: #0f1419;
  overflow: visible;
}

.site-banner__viewport {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  width: 100%;
  min-height: clamp(340px, 48vw, 560px);
  max-height: min(600px, 90vh);
  overflow: visible;
  padding: 0 clamp(12px, 2.5vw, 24px) clamp(6px, 1.2vw, 14px);
}

.site-banner__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.site-banner__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.site-banner__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: min(1000px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(24px, 4vw, 40px) clamp(20px, 3.5vw, 36px);
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(0, 0, 0, 0.06);
  /* 向下移，令白卡約一半壓在橫幅底、一半伸入下一區（客人參考瑞銀） */
  transform: translateY(clamp(52px, 9vw, 112px));
}

.site-banner__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: stretch;
}

@media (max-width: 768px) {
  .site-banner__grid {
    grid-template-columns: 1fr;
    gap: clamp(20px, 4vw, 32px);
  }

  .site-banner__col--nav {
    border-top: 1px solid var(--border);
    padding-top: clamp(16px, 3vw, 24px);
  }
}

/* 左欄：直線 + 標題（參考瑞銀白卡） */
.site-banner__col--text {
  display: flex;
  align-items: stretch;
  gap: clamp(14px, 2.5vw, 22px);
  min-width: 0;
}

.site-banner__accent {
  flex: 0 0 4px;
  width: 4px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.site-banner__copy {
  flex: 1;
  min-width: 0;
  text-align: left;
}

.site-banner__eyebrow {
  margin: 0 0 10px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.site-banner__title {
  margin: 0 0 14px;
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
  font-weight: 700;
  line-height: 1.22;
  color: var(--text);
  letter-spacing: -0.02em;
}

.site-banner__lead {
  margin: 0;
  font-size: clamp(0.9375rem, 1.75vw, 1.0625rem);
  font-weight: 400;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 36em;
}

/* 右欄：分隔線列表 + 箭咀 */
.site-banner__col--nav {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.site-banner__links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-banner__links li {
  border-top: 1px solid var(--border);
}

.site-banner__links li:first-child {
  border-top: none;
}

.site-banner__links a,
.site-banner__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: clamp(14px, 2.2vw, 18px) 2px clamp(14px, 2.2vw, 18px) 0;
  color: var(--text);
  text-decoration: none;
}

.site-banner__link-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.site-banner__link-title {
  display: block;
  font-size: clamp(0.9375rem, 1.65vw, 1.0625rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.site-banner__link-sub {
  display: block;
  font-size: clamp(0.75rem, 1.35vw, 0.8125rem);
  font-weight: 400;
  line-height: 1.45;
  color: var(--text-muted);
}

.site-banner__links a:hover,
.site-banner__link:hover {
  color: inherit;
}

.site-banner__link:hover .site-banner__link-title {
  color: var(--color-primary);
}

.site-banner__link:hover .site-banner__link-sub {
  color: var(--text-muted);
}

.site-banner__chev {
  flex-shrink: 0;
  align-self: center;
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-top: 0;
  border-right: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(-45deg);
}

.site-banner__link:hover .site-banner__chev {
  border-color: var(--color-accent);
}

@media (max-width: 480px) {
  .site-banner__viewport {
    min-height: auto;
    max-height: none;
  }

  .site-banner__content {
    transform: translateY(clamp(36px, 7vw, 68px));
  }
}

/* 白卡疊住下一區：服務區頂部加留白，避免標題被遮 */
#services.ref-section {
  padding-top: clamp(108px, 20vw, 172px);
}

@media (max-width: 768px) {
  #services.ref-section {
    padding-top: clamp(84px, 17vw, 132px);
  }
}
.ref-section {
  padding: clamp(56px, 7vw, 96px) 0;
}

.ref-section--white {
  background: var(--white);
}

.ref-section--muted {
  background: var(--bg-muted);
}

.ref-sec-head {
  margin-bottom: clamp(28px, 4vw, 40px);
  max-width: 48rem;
}

.ref-sec-head--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.ref-sec-head__title {
  margin: 0 0 16px;
  font-size: clamp(1.5rem, 2.6vw, 2.125rem);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.ref-sec-head__intro {
  margin: 0;
  font-size: 1.0625rem;
  color: var(--text-muted);
}

.ref-sec-head--center .ref-sec-head__intro {
  margin-left: auto;
  margin-right: auto;
}

/* ----- 服務三／四卡 + 箭咀 ----- */
.ref-svc__track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.ref-svc__card {
  position: relative;
  flex: 0 0 min(340px, 85vw);
  scroll-snap-align: start;
  background: var(--white);
  border: 1px solid var(--border);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.ref-svc__photo {
  height: 220px;
  background-size: cover;
  background-position: center;
}

.ref-svc__photo--1 {
  background-image: linear-gradient(180deg, rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.12)),
    url("../img/800x800/26.png");
}

.ref-svc__photo--2 {
  background-image: linear-gradient(180deg, rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.12)),
    url("../img/800x800/13.png");
}

.ref-svc__photo--3 {
  background-image: linear-gradient(180deg, rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.12)),
    url("../img/800x800/17.png");
}

.ref-svc__photo--4 {
  background-image: linear-gradient(180deg, rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.12)),
    url("../img/800x800/34.png");
}

.ref-svc__photo--5 {
  background-image: linear-gradient(180deg, rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.12)),
    url("../img/800x800/30.png");
}

.ref-svc__photo--6 {
  background-image: linear-gradient(180deg, rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.12)),
    url("../img/800x800/29.png");
}

.ref-svc__hover-pane {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-sizing: border-box;
  padding: 22px 18px;
  background: var(--color-primary);
  color: var(--white);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.28s ease, visibility 0.28s ease;
}

.ref-svc__hover-title {
  margin: 0 0 12px;
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--white);
}

.ref-svc__hover-text {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.94);
}

.ref-svc__title {
  margin: 0;
  padding: 20px 18px 22px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
}

@media (hover: hover) and (pointer: fine) {
  .ref-svc__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 14px 32px rgba(64, 93, 169, 0.22);
    border-color: rgba(64, 93, 169, 0.35);
  }

  .ref-svc__card:hover .ref-svc__hover-pane {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ref-svc__card {
    transition: none;
  }

  .ref-svc__hover-pane {
    transition-duration: 0.01ms;
  }

  @media (hover: hover) and (pointer: fine) {
    .ref-svc__card:hover {
      transform: none;
      box-shadow: 0 8px 24px rgba(64, 93, 169, 0.16);
    }
  }
}

.ref-svc__arrows {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
}

.ref-svc__arrow {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  background: var(--white);
  font-size: 22px;
  line-height: 1;
  color: var(--color-primary);
  cursor: pointer;
  border-radius: 2px;
}

.ref-svc__arrow:hover {
  border-color: var(--color-primary);
  background: rgba(64, 93, 169, 0.06);
}

/* ----- 全寬 50% 圖 + 50% 字（公司定位／使命／客戶） ----- */
.ref-splitwide {
  padding: 0;
  margin: 0;
  width: 100%;
  overflow: hidden;
}

.ref-splitwide__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  min-height: clamp(200px, 26vw, 360px);
  overflow: hidden;
}

.ref-splitwide__visual {
  position: relative;
  min-height: clamp(190px, 26vw, 360px);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.ref-splitwide--taller .ref-splitwide__row {
  min-height: calc(clamp(200px, 26vw, 360px) + 56px);
}

.ref-splitwide--taller .ref-splitwide__visual {
  min-height: calc(clamp(190px, 26vw, 360px) + 56px);
}

.ref-splitwide__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    165deg,
    rgba(64, 93, 169, 0) 35%,
    rgba(64, 93, 169, 0.22) 100%
  );
  opacity: 0;
  transition: opacity 0.45s ease;
}

.ref-splitwide__visual--1 {
  background-image: url("../img/1920x1000/1.png");
}

.ref-splitwide__visual--2 {
  background-image: url("../img/1920x1000/5.png");
}

.ref-splitwide__visual--3 {
  background-image: url("../img/1920x1000/13.png");
}

.ref-splitwide__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-sizing: border-box;
  padding: clamp(20px, 3.5vw, 48px) clamp(22px, 4vw, 56px);
  text-align: left;
  transition: box-shadow 0.4s ease;
}

.ref-splitwide--text-tint .ref-splitwide__copy {
  background: #f1f1f1;
}

.ref-splitwide--text-white .ref-splitwide__copy {
  background: #ffffff;
}

.ref-splitwide__title {
  margin: 0 0 14px;
  font-size: clamp(1.35rem, 2.2vw, 1.85rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.ref-splitwide__rule {
  display: block;
  width: 52px;
  height: 4px;
  margin: 0 0 20px;
  background: var(--color-accent);
  border-radius: 1px;
  transition: width 0.4s ease;
}

.ref-splitwide__body {
  margin: 0 0 22px;
  font-size: clamp(0.9375rem, 1.35vw, 1.0625rem);
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 42em;
}

.ref-splitwide__more {
  align-self: flex-start;
  margin-top: 4px;
  font-weight: 600;
  font-size: 15px;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
  text-decoration: none;
}

.ref-splitwide__more:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-primary);
}

@media (hover: hover) and (pointer: fine) {
  .ref-splitwide:hover .ref-splitwide__visual::after {
    opacity: 1;
  }

  .ref-splitwide:hover .ref-splitwide__copy {
    box-shadow: inset 0 0 0 1px rgba(64, 93, 169, 0.12);
  }

  .ref-splitwide:hover .ref-splitwide__rule {
    width: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ref-splitwide__visual::after,
  .ref-splitwide__copy,
  .ref-splitwide__rule {
    transition: none;
  }

  @media (hover: hover) and (pointer: fine) {
    .ref-splitwide:hover .ref-splitwide__visual::after {
      opacity: 0;
    }

    .ref-splitwide:hover .ref-splitwide__copy {
      box-shadow: none;
    }

    .ref-splitwide:hover .ref-splitwide__rule {
      width: 52px;
    }
  }
}

@media (max-width: 768px) {
  .ref-splitwide__row {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .ref-splitwide--img-right .ref-splitwide__visual {
    order: -1;
  }

  .ref-splitwide__visual {
    min-height: clamp(170px, 40vw, 280px);
  }

  .ref-splitwide--taller .ref-splitwide__visual {
    min-height: calc(clamp(170px, 40vw, 280px) + 56px);
  }

  .ref-splitwide__copy {
    padding: clamp(24px, 6vw, 40px) clamp(18px, 5vw, 28px);
  }
}

.ref-more {
  font-weight: 600;
  font-size: 15px;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
  text-decoration: none;
}

.ref-more:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-primary);
}

/* ----- 左文 + 雙圖錯位 ----- */
.ref-splitfeat {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}

@media (max-width: 900px) {
  .ref-splitfeat {
    grid-template-columns: 1fr;
  }
}

.ref-splitfeat__title {
  margin: 0 0 16px;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--color-primary);
}

.ref-splitfeat__lead {
  margin: 0 0 28px;
  color: var(--text-muted);
  font-size: 1.0625rem;
  max-width: 32em;
}

.ref-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-weight: 600;
  font-size: 15px;
  border-radius: 2px;
  border: 2px solid transparent;
}

.ref-btn--primary {
  background: var(--color-primary);
  color: var(--white) !important;
}

.ref-btn--primary:hover {
  background: var(--color-primary-dark);
  color: var(--white) !important;
}

.ref-splitfeat__visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: center;
}

.ref-splitfeat__img {
  display: block;
  width: 100%;
  height: clamp(300px, 44vw, 420px);
  min-height: 300px;
  border-radius: 2px;
  object-fit: cover;
  object-position: center;
  box-shadow: 0 12px 40px rgba(64, 93, 169, 0.15);
}

.ref-splitfeat__img--1 {
  transform: translateY(-28px);
}

.ref-splitfeat__img--2 {
  transform: translateY(34px);
}

@media (max-width: 900px) {
  .ref-splitfeat__img--1,
  .ref-splitfeat__img--2 {
    transform: none;
  }
}

/* ----- 三欄 ----- */
.ref-tri {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 32px);
}

@media (max-width: 900px) {
  .ref-tri {
    grid-template-columns: 1fr;
  }
}

.ref-tri__thumb {
  height: 140px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
}

.ref-tri__thumb--b {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-accent));
}

.ref-tri__thumb--c {
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
}

.ref-tri__title {
  margin: 0 0 10px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
}

.ref-tri__col p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.ref-microlegal {
  margin: 0;
  padding: 20px 24px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-muted);
  text-align: center;
  background: #fafbfc;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.ref-aboutsplit {
  padding: clamp(48px, 7vw, 96px) 0;
}

.ref-aboutsplit__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

@media (max-width: 900px) {
  .ref-aboutsplit__grid {
    grid-template-columns: 1fr;
  }

  .ref-aboutsplit__copy {
    padding: clamp(8px, 1.5vw, 12px) 0;
  }
}

.ref-aboutsplit__figure {
  margin: 0;
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #e8eef5;
  aspect-ratio: 1 / 1;
  max-width: min(100%, 520px);
}

.ref-aboutsplit__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ref-aboutsplit__copy {
  position: relative;
  padding: clamp(8px, 1.5vw, 12px) 0 clamp(8px, 1.5vw, 12px) clamp(24px, 5.5vw, 72px);
}

.ref-aboutsplit__water {
  position: absolute;
  left: 0;
  top: clamp(-8px, -1vw, 0px);
  z-index: 0;
  font-size: clamp(3.5rem, 14vw, 7.5rem);
  font-weight: 700;
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: rgba(64, 93, 169, 0.08);
  pointer-events: none;
  user-select: none;
}

.ref-aboutsplit__title,
.ref-aboutsplit__tag,
.ref-aboutsplit__body,
.ref-aboutsplit__hr,
.ref-aboutsplit__stats {
  position: relative;
  z-index: 1;
}

.ref-aboutsplit__title {
  margin: 0 0 14px;
  padding-top: clamp(12px, 2vw, 28px);
  font-size: clamp(1.5rem, 2.8vw, 2.125rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.ref-aboutsplit__tag {
  margin: 0 0 12px;
  font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.45;
}

.ref-aboutsplit__body {
  margin: 0 0 14px;
  font-size: clamp(0.9375rem, 1.45vw, 1.0625rem);
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 40em;
}

.ref-aboutsplit__tag + .ref-aboutsplit__body {
  margin-top: 4px;
}

.ref-aboutsplit__hr {
  margin: clamp(22px, 4vw, 32px) 0 clamp(20px, 3.5vw, 28px);
  border: none;
  border-top: 1px solid var(--border);
}

.ref-aboutsplit__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(12px, 3vw, 28px);
  text-align: center;
}

@media (max-width: 600px) {
  .ref-aboutsplit__stats {
    grid-template-columns: 1fr;
    text-align: left;
  }
}

.ref-aboutsplit__stat {
  margin: 0;
}

.ref-aboutsplit__num {
  margin: 0 0 8px;
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-primary);
}

.ref-aboutsplit__lbl {
  margin: 0 0 4px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
}

.ref-aboutsplit__lbl2 {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ----- 聯絡 + 下拉 ----- */
.ref-contact {
  padding: clamp(56px, 7vw, 88px) 0;
  background: var(--white);
  border-top: 1px solid var(--border);
}

.ref-contact__title {
  margin: 0 0 8px;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--color-primary);
}

.ref-contact__sub {
  margin: 0 0 28px;
  color: var(--text-muted);
}

.ref-contact__row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

@media (max-width: 768px) {
  .ref-contact__row {
    grid-template-columns: 1fr;
  }
}

.ref-select-wrap {
  display: block;
}

.ref-select-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.ref-select {
  width: 100%;
  padding: 14px 16px;
  font-size: 15px;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--white);
  color: var(--text);
  cursor: pointer;
}

.ref-select:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.ref-contact__cta {
  display: inline-flex;
}

/* ----- Footer ----- */
.ref-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.88);
  padding: 48px 0 32px;
  font-size: 14px;
}

.ref-footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr auto;
  gap: 32px;
  align-items: start;
}

@media (max-width: 768px) {
  .ref-footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .ref-footer__social {
    grid-column: 1 / -1;
  }
}

.ref-footer__logo {
  font-size: 1.125rem;
  letter-spacing: 0.1em;
  color: var(--white);
}

.ref-footer__tag {
  margin: 8px 0 0;
  opacity: 0.85;
}

.ref-footer__h {
  margin: 0 0 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.ref-footer__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.ref-footer__list li {
  margin-bottom: 8px;
}

.ref-footer a {
  color: rgba(255, 255, 255, 0.9);
}

.ref-footer a:hover {
  color: var(--color-accent);
}

.ref-footer__social {
  display: flex;
  gap: 12px;
}

.ref-footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
}

.ref-footer__copy {
  margin: 36px 24px 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
}

/* ----- 客戶／媒體標誌（占位） ----- */
.ref-clientlogos {
  background: var(--white);
}

.ref-clientlogos__head {
  margin: 0 auto clamp(24px, 4vw, 40px);
  max-width: 48rem;
  text-align: center;
}

.ref-clientlogos__eyebrow {
  margin: 0 0 10px;
  font-size: 0.8125rem;
  font-weight: 600;
  font-style: italic;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.ref-clientlogos__title {
  margin: 0 0 12px;
  font-size: clamp(1.35rem, 2.4vw, 1.9rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.ref-clientlogos__lead {
  margin: 0;
  font-size: clamp(0.9375rem, 1.4vw, 1.0625rem);
  line-height: 1.6;
  color: var(--text-muted);
}

.ref-clientlogos__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: clamp(14px, 2.5vw, 22px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.ref-clientlogos__grid li {
  margin: 0;
}

.ref-clientlogos__item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 88px;
  padding: 14px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fafbfd;
  text-decoration: none;
  color: var(--text-muted);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.ref-clientlogos__item:hover {
  border-color: rgba(64, 93, 169, 0.35);
  box-shadow: 0 6px 20px rgba(64, 93, 169, 0.08);
  color: var(--color-primary);
}

.ref-clientlogos__placeholder {
  font-size: clamp(0.8125rem, 1.2vw, 0.9375rem);
  font-weight: 600;
  text-align: center;
  line-height: 1.35;
}