:root {
  --navy: #0b2545;
  --navy-2: #13315c;
  --blue: #1a73a7;
  --orange: #f4a261;
  --red: #c9302c;
  --bg: #f7f7f5;
  --ink: #1c1c1c;
  --ink-2: #4a4a4a;
  --muted: #8a8a8a;
  --line: #e6e6e6;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(11, 37, 69, .08);
  --shadow-lg: 0 20px 60px rgba(11, 37, 69, .15);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Noto Sans TC", system-ui, -apple-system, "Segoe UI", "PingFang TC", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 22px; }

/* ============ NAV ============ */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  max-width: 1180px; margin: 0 auto;
  display: flex; align-items: center; gap: 28px;
  padding: 14px 22px;
}
.brand { display: flex; align-items: center; }
.brand__name strong {
  display: block;
  font-size: 19px;
  letter-spacing: 1.5px;
  color: var(--navy);
  font-weight: 900;
}
.brand__name small { color: var(--muted); font-size: 11px; letter-spacing: 1px; }

.nav__links { display: flex; gap: 24px; margin-left: auto; }
.nav__links a {
  font-size: 15px; color: var(--ink-2);
  padding: 6px 2px; position: relative;
  transition: color .2s;
}
.nav__links a:hover { color: var(--navy); }
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--orange); transform: scaleX(0);
  transition: transform .25s;
}
.nav__links a:hover::after { transform: scaleX(1); }

.nav__cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--orange); color: #fff !important;
  font-weight: 700;
  padding: 10px 16px; border-radius: 999px;
  box-shadow: 0 6px 18px rgba(244, 162, 97, .35);
  transition: transform .15s, box-shadow .15s;
}
.nav__cta:hover { transform: translateY(-1px); box-shadow: 0 10px 22px rgba(244, 162, 97, .45); }

@media (max-width: 820px) {
  .nav__links { display: none; }
}

/* ============ HERO ============ */
.hero {
  position: relative; overflow: hidden;
  min-height: 92vh;
  display: grid; place-items: center;
  color: #fff;
}
.hero__bg {
  position: absolute; inset: 0;
  background-image: url('assets/images/renovation/16744_0.jpg');
  background-size: cover; background-position: center;
  transform: scale(1.05);
  filter: saturate(.9);
}
.hero__overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(80% 60% at 20% 30%, rgba(26,115,167,.35) 0%, transparent 60%),
    linear-gradient(180deg, rgba(11,37,69,.85) 0%, rgba(11,37,69,.55) 50%, rgba(11,37,69,.92) 100%);
}
.hero__inner {
  position: relative; z-index: 2;
  width: 100%; max-width: 1240px;
  padding: 80px 22px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
  justify-items: center;
}
.hero__content {
  position: relative; text-align: center;
  max-width: 720px;
}
@media (min-width: 1024px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1fr) 460px;
    gap: 56px;
    justify-items: stretch;
  }
  .hero__content { text-align: left; max-width: none; }
  .hero__cta { justify-content: flex-start; }
}
.hero__eyebrow {
  display: inline-block;
  letter-spacing: 6px; font-size: 13px; font-weight: 500;
  color: var(--orange);
  padding: 6px 16px; border: 1px solid rgba(244, 162, 97, .5);
  border-radius: 999px;
  margin-bottom: 28px;
}
.hero__title {
  font-size: clamp(32px, 5.4vw, 60px);
  font-weight: 900; line-height: 1.25;
  letter-spacing: 1px;
  text-shadow: 0 4px 30px rgba(0,0,0,.4);
}
.hero__title span { color: var(--orange); }
.hero__sub {
  margin: 26px auto 38px;
  font-size: 17px; max-width: 620px;
  color: rgba(255,255,255,.88);
}
.hero__cta {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 52px;
}
.hero__stats {
  display: flex; gap: 18px; justify-content: center; flex-wrap: wrap;
  list-style: none;
}
.hero__stats li {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(6px);
  padding: 16px 26px; border-radius: 12px;
  min-width: 140px;
}
.hero__stats strong {
  display: block; font-family: "Bebas Neue", sans-serif;
  font-size: 34px; color: var(--orange); letter-spacing: 1px;
}
.hero__stats span { font-size: 13px; color: rgba(255,255,255,.78); }

/* ============ HERO SERVICE AREA ============ */
.hero__area {
  width: 100%;
  max-width: 480px;
  background: rgba(11, 37, 69, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-radius: 24px;
  padding: 32px 30px 28px;
  color: #fff;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.32);
  margin: 0 auto;
}
.hero__area__head { text-align: center; margin-bottom: 18px; }
.hero__area__eyebrow {
  display: block;
  font-size: 12px; letter-spacing: 5px;
  color: var(--orange); font-weight: 700;
  margin-bottom: 8px;
}
.hero__area__head h3 {
  font-size: 22px; font-weight: 800; letter-spacing: 2px;
}
.hero__area__map {
  display: grid; place-items: center;
  margin: 8px 0 18px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.32);
}
.hero__area__map img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  cursor: zoom-in;
  transition: transform .35s ease;
}
.hero__area__map:hover img { transform: scale(1.04); }
.hero__area__caption {
  text-align: center;
  font-size: 13px; letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 16px;
}
.hero__area__districts {
  display: flex; flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  justify-content: center;
}
.hero__area__districts li {
  background: rgba(244, 162, 97, 0.14);
  border: 1px solid rgba(244, 162, 97, 0.5);
  color: var(--orange);
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 14px; font-weight: 600;
  letter-spacing: 0.5px;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 24px; border-radius: 999px;
  font-weight: 700; font-size: 15px;
  transition: transform .15s, box-shadow .15s, background .15s;
}
.btn--primary {
  background: var(--orange); color: #fff;
  box-shadow: 0 10px 24px rgba(244, 162, 97, .4);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(244, 162, 97, .55); }
.btn--ghost {
  border: 1.5px solid rgba(255,255,255,.6); color: #fff;
}
.btn--ghost:hover { background: rgba(255,255,255,.12); }
.btn--lg { padding: 18px 32px; font-size: 17px; }

/* ============ SECTION ============ */
.section { padding: 110px 0; }
.section--alt { background: #fff; }
.section--dark { background: var(--navy); color: #fff; }
.section__head { text-align: center; margin-bottom: 60px; }
.section__eyebrow {
  display: inline-block; letter-spacing: 6px;
  font-size: 12px; font-weight: 700;
  color: var(--orange); margin-bottom: 14px;
}
.section__eyebrow--light { color: var(--orange); }
.section__title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900; line-height: 1.3;
  letter-spacing: 1px;
}
.section--dark .section__title { color: #fff; }
.section__sub { color: var(--ink-2); margin-top: 12px; font-size: 16px; }
.section__lead {
  color: var(--ink-2);
  margin-top: 10px;
  font-size: 14.5px;
  line-height: 1.85;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* ============ SERVICES INTRO ============ */
.services__intro {
  max-width: 780px;
  margin: 0 auto 50px;
  text-align: center;
  color: var(--ink-2);
  font-size: 15.5px;
  line-height: 1.95;
}
.services__intro p { margin-bottom: 14px; }
.services__intro p:last-child { margin-bottom: 0; }
.services__intro__lead {
  font-size: 17px;
  color: var(--ink);
  font-weight: 500;
}
.services__intro strong {
  color: var(--navy);
  font-weight: 700;
}
@media (max-width: 540px) {
  .services__intro { font-size: 14.5px; text-align: left; }
  .services__intro__lead { font-size: 15.5px; }
}

/* ============ SERVICES ============ */
.services {
  display: grid; gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.card__icon {
  width: 54px; height: 54px; border-radius: 12px;
  background: color-mix(in srgb, var(--c) 12%, transparent);
  color: var(--c);
  display: grid; place-items: center;
  margin-bottom: 18px;
}
.card__icon svg { width: 28px; height: 28px; }
.card h3 { font-size: 20px; font-weight: 800; margin-bottom: 10px; }
.card p { color: var(--ink-2); margin-bottom: 14px; font-size: 15px; }
.card ul { list-style: none; }
.card ul li {
  font-size: 14px; color: var(--ink-2);
  padding: 6px 0 6px 22px; position: relative;
  border-top: 1px dashed var(--line);
}
.card ul li:first-child { border-top: none; }
.card ul li::before {
  content: ""; position: absolute; left: 4px; top: 14px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--orange);
}
.card[data-service-key] { cursor: pointer; outline: none; }
.card[data-service-key]:focus-visible {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(26, 115, 167, .18);
}
.card__more {
  display: inline-flex; align-items: center; gap: 4px;
  margin-top: 14px;
  color: var(--blue); font-size: 13px; font-weight: 700;
  letter-spacing: 0.5px;
  transition: gap .2s, color .2s;
}
.card[data-service-key]:hover .card__more {
  gap: 8px; color: var(--orange);
}

/* ============ IMAGE MODAL (dialog) ============ */
.img-modal {
  position: fixed;
  inset: 0;
  margin: auto;
  border: none;
  padding: 0;
  background: transparent;
  max-width: 95vw;
  max-height: 95vh;
  width: fit-content;
  height: fit-content;
  overflow: visible;
}
.img-modal::backdrop {
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.img-modal[open] { animation: modalIn .28s cubic-bezier(.2,.9,.3,1); }
.img-modal[open]::backdrop { animation: backdropIn .25s ease; }
.img-modal__figure {
  margin: 0;
  display: flex; flex-direction: column;
  align-items: center; gap: 14px;
}
.img-modal__figure img {
  max-width: 90vw;
  max-height: 78vh;
  display: block;
  border-radius: 12px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}
.img-modal__figure figcaption {
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  letter-spacing: 3px;
  font-weight: 600;
}
.img-modal__close {
  position: fixed;
  top: 24px; right: 24px;
  width: 48px; height: 48px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  font-size: 26px; line-height: 1;
  border-radius: 50%;
  display: grid; place-items: center;
  cursor: pointer;
  transition: background .2s, transform .25s;
  z-index: 1;
}
.img-modal__close:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: rotate(90deg);
}

/* ============ MODAL (dialog) ============ */
.modal {
  position: fixed;
  inset: 0;
  margin: auto;
  border: none;
  padding: 0;
  background: transparent;
  max-width: 960px;
  width: 94vw;
  height: min(720px, 88vh);
  color: var(--ink);
}
.modal::backdrop {
  background: rgba(8, 23, 45, .72);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.modal[open] {
  animation: modalIn .28s cubic-bezier(.2,.9,.3,1);
}
.modal[open]::backdrop {
  animation: backdropIn .25s ease;
}
@keyframes modalIn {
  from { transform: translateY(12px) scale(.96); opacity: 0; }
  to   { transform: translateY(0) scale(1); opacity: 1; }
}
@keyframes backdropIn {
  from { opacity: 0; } to { opacity: 1; }
}
.modal__inner {
  position: relative;
  background: #fff;
  border-radius: 22px;
  padding: 0;
  box-shadow: 0 30px 80px rgba(0,0,0,.45);
  overflow: hidden;
  height: 100%;
  display: flex; flex-direction: column;
}
.modal__inner::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--navy), var(--blue), var(--orange));
  z-index: 1;
}
.modal__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  overflow: hidden;
  min-height: 0;
  flex: 1;
}
.modal__left {
  padding: 38px 34px 30px;
  overflow-y: auto;
  min-height: 0;
}
.modal__right {
  background: linear-gradient(180deg, #fbfaf7 0%, #f4f3ef 100%);
  border-top: 1px solid var(--line);
  padding: 24px 28px 28px;
  overflow-y: auto;
  min-height: 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(11, 37, 69, .25) transparent;
}
.modal__right::-webkit-scrollbar { width: 8px; }
.modal__right::-webkit-scrollbar-track { background: transparent; }
.modal__right::-webkit-scrollbar-thumb {
  background: rgba(11, 37, 69, .2);
  border-radius: 4px;
}
.modal__right::-webkit-scrollbar-thumb:hover {
  background: rgba(11, 37, 69, .4);
}
@media (min-width: 820px) {
  .modal__body {
    grid-template-columns: 360px 1fr;
  }
  .modal__right {
    border-top: none;
    border-left: 1px solid var(--line);
  }
}
.modal__right__label {
  display: block;
  font-size: 12px; letter-spacing: 4px;
  color: var(--navy); font-weight: 700;
  margin-bottom: 14px;
}
.modal__right__label small {
  color: var(--muted);
  font-weight: 400;
  letter-spacing: 1px;
  font-size: 11px;
}
.modal__gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}
.modal__gallery figure {
  margin: 0;
  border-radius: 10px;
  overflow: hidden;
  cursor: zoom-in;
  aspect-ratio: 1 / 1;
  background: var(--line);
  box-shadow: 0 4px 12px rgba(0,0,0,.08);
  transition: transform .2s, box-shadow .2s;
}
.modal__gallery figure:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(0,0,0,.16);
}
.modal__gallery img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .35s ease;
}
.modal__gallery figure:hover img { transform: scale(1.06); }
.modal__close {
  position: absolute; top: 14px; right: 14px;
  z-index: 2;
  width: 38px; height: 38px;
  background: rgba(0,0,0,.05);
  border: none;
  border-radius: 50%;
  font-size: 22px; line-height: 1;
  color: var(--ink-2);
  display: grid; place-items: center;
  cursor: pointer;
  transition: background .2s, transform .25s, color .2s;
}
.modal__close:hover {
  background: var(--navy);
  color: #fff;
  transform: rotate(90deg);
}
.modal__eyebrow {
  display: inline-block;
  font-size: 11px; letter-spacing: 5px;
  color: var(--orange); font-weight: 700;
  margin-bottom: 8px;
}
.modal__title {
  font-size: 26px; font-weight: 900;
  color: var(--navy);
  letter-spacing: 1.5px;
  margin-bottom: 22px;
}
.modal__list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin-bottom: 26px;
}
.modal__list li {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 18px;
  background: var(--bg);
  border-radius: 12px;
  color: var(--ink);
  font-size: 15.5px;
  font-weight: 500;
  border-left: 3px solid var(--orange);
}
.modal__list li::before {
  content: "✓";
  color: var(--orange);
  font-weight: 900;
  flex-shrink: 0;
}
@media (max-width: 540px) {
  .modal__left { padding: 30px 20px 22px; }
  .modal__right { padding: 20px 18px 22px; }
  .modal__title { font-size: 22px; }
  .modal__inner { border-radius: 18px; }
}

/* ============ PROCESS (Mermaid) ============ */
.process-flow {
  position: relative;
  background:
    radial-gradient(120% 80% at 0% 0%, rgba(26,115,167,.08) 0%, transparent 55%),
    radial-gradient(120% 80% at 100% 100%, rgba(244,162,97,.10) 0%, transparent 55%),
    linear-gradient(180deg, #ffffff 0%, #fbfaf7 100%);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 48px 32px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.process-flow::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--navy), var(--blue), var(--orange));
}
.process-flow .mermaid {
  display: flex;
  justify-content: center;
  margin: 0 auto;
  background: transparent;
  font-family: "Noto Sans TC", system-ui, sans-serif;
}
.process-flow .mermaid svg {
  max-width: 100%;
  height: auto;
}
/* 移除 Mermaid 預設可能加入的圖標 / 錯誤圖示 / 浮水印 */
.process-flow .mermaid svg image,
.process-flow .mermaid svg .icon,
.process-flow .mermaid svg .error-icon,
.process-flow .mermaid svg .errorIcon,
.process-flow .mermaid svg .marker.cross,
.process-flow .mermaid svg a[href*="mermaid"],
.process-flow .mermaid > a,
.process-flow .mermaid > svg > a {
  display: none !important;
}
/* Mermaid 節點質感：陰影 + 圓角 */
.process-flow .mermaid .node rect,
.process-flow .mermaid .node polygon {
  rx: 14px; ry: 14px;
  filter: drop-shadow(0 6px 14px rgba(11, 37, 69, .12));
}
.process-flow .mermaid .edgePath .path {
  stroke-width: 2.2px;
  stroke-linecap: round;
}
/* 流程無分支標籤，把空的 edgeLabel 容器完全隱藏 */
.process-flow .mermaid .edgeLabel,
.process-flow .mermaid .edgeLabels,
.process-flow .mermaid foreignObject .edgeLabel {
  display: none !important;
}
.process-flow .mermaid .mm-sub {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--ink-2);
  margin-top: 4px;
  letter-spacing: .5px;
}
.process-flow .mermaid .node .label {
  line-height: 1.45;
}
/* ============ CONTACT BLOCK (聯絡資訊 + 師傅) ============ */
.contact-block {
  margin: 48px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: stretch;
}
@media (min-width: 760px) {
  .contact-block {
    grid-template-columns: 1.2fr 1fr;
    gap: 36px;
  }
}
.contact-block__info {
  display: grid;
  gap: 12px;
  align-content: center;
}
.contact-block__row {
  display: flex; align-items: baseline; gap: 14px;
  padding: 18px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  transition: border-color .2s, transform .15s, box-shadow .2s;
}
.contact-block__row:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(11, 37, 69, .1);
}
.contact-block__label {
  font-size: 11px; letter-spacing: 4px;
  color: var(--orange); font-weight: 700;
  flex: 0 0 64px;
}
.contact-block__value {
  font-size: 17px; font-weight: 700;
  color: var(--navy);
  word-break: break-all;
}
.contact-block__value small {
  font-size: 13px;
  color: var(--ink-2);
  font-weight: 400;
}

.contact-block__master {
  margin: 0;
  text-align: center;
  background: linear-gradient(180deg, #ffffff 0%, #fbfaf7 100%);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px 22px 22px;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
}
.contact-block__avatar {
  width: 300px; height: 300px;
  border-radius: 50%;
  overflow: hidden;
  border: 6px solid #fff;
  box-shadow: 0 18px 40px rgba(11, 37, 69, .28);
  margin-bottom: 22px;
}
.contact-block__avatar svg,
.contact-block__avatar img {
  width: 100%; height: 100%;
  display: block;
  object-fit: cover;
}
.contact-block__master figcaption {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-2);
  font-weight: 500;
  max-width: 200px;
}
.contact-block__master figcaption strong {
  color: var(--orange);
  font-weight: 800;
}

@media (max-width: 540px) {
  .contact-block { margin-top: 36px; }
  .contact-block__row { padding: 16px 18px; gap: 10px; }
  .contact-block__label { flex: 0 0 52px; font-size: 10px; letter-spacing: 3px; }
  .contact-block__value { font-size: 15px; }
  .contact-block__master { padding: 22px 18px 18px; border-radius: 16px; }
  .contact-block__avatar { width: 160px; height: 160px; border-width: 4px; }
}

@media (max-width: 640px) {
  .process-flow { padding: 36px 14px; border-radius: 18px; }
}

/* ============ SERVICES CTA (查看工程實績) ============ */
.services__cta { text-align: center; margin-top: 50px; }
.services__cta .btn { gap: 10px; }

/* ============ FOOTER ============ */
.footer {
  background: #08172d; color: rgba(255,255,255,.6);
  padding: 28px 0;
  font-size: 13px;
}
.footer__inner {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.footer strong { color: #fff; }

/* ============ FAB ============ */
.fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 40;
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--orange); color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 10px 26px rgba(244,162,97,.5);
  animation: pulse 2s infinite;
  transition: transform .15s;
}
.fab:hover { transform: scale(1.08); }
@keyframes pulse {
  0%,100% { box-shadow: 0 10px 26px rgba(244,162,97,.5); }
  50%     { box-shadow: 0 10px 26px rgba(244,162,97,.5), 0 0 0 14px rgba(244,162,97,0); }
}

/* ============ GALLERY MODAL (工程實績) ============ */
.gallery-modal {
  position: fixed;
  inset: 0;
  margin: auto;
  border: none;
  padding: 0;
  background: transparent;
  max-width: 1200px;
  width: 96vw;
  height: min(840px, 92vh);
  color: var(--ink);
}
.gallery-modal::backdrop {
  background: rgba(8, 23, 45, .78);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}
.gallery-modal[open] { animation: modalIn .28s cubic-bezier(.2,.9,.3,1); }
.gallery-modal[open]::backdrop { animation: backdropIn .25s ease; }
.gallery-modal__head {
  padding: 28px 32px 18px;
  text-align: center;
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}
.gallery-modal__head .modal__title { margin-bottom: 6px; }
.gallery-modal__sub {
  color: var(--ink-2);
  font-size: 14px;
  letter-spacing: 1px;
}
.gallery-modal__scroll {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(11, 37, 69, .25) transparent;
}
.gallery-modal__scroll::-webkit-scrollbar { width: 8px; }
.gallery-modal__scroll::-webkit-scrollbar-track { background: transparent; }
.gallery-modal__scroll::-webkit-scrollbar-thumb {
  background: rgba(11, 37, 69, .2);
  border-radius: 4px;
}
.gallery-modal__scroll::-webkit-scrollbar-thumb:hover { background: rgba(11, 37, 69, .4); }
.gallery-modal__grid {
  padding: 28px 30px 32px;
  column-count: 4;
  column-gap: 20px;
}
@media (max-width: 1100px) { .gallery-modal__grid { column-count: 3; } }
@media (max-width: 760px)  { .gallery-modal__grid { column-count: 2; } }
@media (max-width: 460px)  { .gallery-modal__grid { column-count: 1; } }
.gallery-modal__grid figure {
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  page-break-inside: avoid;
  margin: 0 0 20px;
  border-radius: 12px;
  overflow: hidden;
  cursor: zoom-in;
  position: relative;
  background: var(--line);
  box-shadow: 0 4px 14px rgba(0,0,0,.08);
  transition: transform .2s, box-shadow .2s;
  display: block;
}
.gallery-modal__grid figure:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0,0,0,.18);
}
.gallery-modal__grid img {
  width: 100%; height: auto;
  display: block;
  transition: transform .35s ease;
}
.gallery-modal__grid figure:hover img { transform: scale(1.06); }
.gallery-modal__grid figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.72));
  color: #fff;
  padding: 22px 12px 10px;
  font-size: 12px; letter-spacing: 1px;
  opacity: 0; transform: translateY(4px);
  transition: opacity .25s, transform .25s;
}
.gallery-modal__grid figure:hover figcaption { opacity: 1; transform: translateY(0); }
@media (max-width: 540px) {
  .gallery-modal__head { padding: 22px 18px 14px; }
  .gallery-modal__grid { padding: 18px; column-gap: 14px; }
  .gallery-modal__grid figure { margin-bottom: 14px; }
}

/* ============ MOTION ============ */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}