/* ---------------------------------------------------------------- 1. Fonts */
@font-face {
  font-family: "OPPO Sans TC";
  src: url("../font/OPPOSans4.0TC.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ------------------------------------------------------------- 2. Tokens */
:root {
  --brand: #0ea5e9;
  --brand-deep: #0073c0;
  --green: #8ed400;
  --green-solid: #009549;
  --navy: #11344a;
  --wa: #25d366;
  --orange: #ffb402;

  --bg-soft: #effbff;
  --bg-footer: #f7fcff;
  --line: #d9d9d9;
  --line-strong: #d8e6f0;

  --ink: #0d0d0d;
  --ink-2: #000;
  --muted: #6b7c8c;
  --muted-2: #999999;

  --radius: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;

  /* ---------- 自适应变量（桌面基准） ---------- */
  --sec-pad: 80px;
  --hero-h: 760px;

  --fs-hero-title: 123px;
  --fs-hero-sub: 32px;
  --fs-sec-title: 60px;
  --fs-lead: 20px;
  --fs-card-title: 28px;
  --fs-step-title: 28px;
  --fs-step-text: 16px;
  --fs-stat-num: 208px;
  --fs-footer-word: 82px;
  --fs-proj-title: 42px;

  --arrow-size: 48px;

  --container-pad: 24px;
  --hero-body-pad-bottom: 106px;
  --hero-cta-bottom: 40px;
  --hero-sub-margin-top: 60px;

  --band-min-h: 700px;
  --map-h: 660px;
  --cert-logo-w: 220px;

  --shadow-1: 0 18px 50px rgba(15, 40, 70, .10);
  --shadow-2: 0 10px 30px rgba(15, 40, 70, .08);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* 大屏（<=1400px） */
@media (max-width: 1400px) {
  :root {
    --sec-pad: 64px;
    --hero-h: 640px;

    --fs-hero-title: 90px;
    --fs-hero-sub: 26px;
    --fs-sec-title: 48px;
    --fs-lead: 18px;
    --fs-card-title: 24px;
    --fs-step-title: 19px;
    --fs-step-text: 16px;
    --fs-stat-num: 144px;
    --fs-footer-word: 58px;
    --fs-proj-title: 34px;

    --arrow-size: 44px;

    --container-pad: 22px;
    --hero-body-pad-bottom: 80px;
    --hero-cta-bottom: 30px;
    --hero-sub-margin-top: 44px;

    --band-min-h: 560px;
    --map-h: 520px;
    --cert-logo-w: 190px;
  }
}

/* 平板（<=991.98px） */
@media (max-width: 991.98px) {
  :root {
    --sec-pad: 56px;
    --hero-h: 520px;

    --fs-hero-title: 64px;
    --fs-hero-sub: 20px;
    --fs-sec-title: 38px;
    --fs-lead: 16px;
    --fs-card-title: 21px;
    --fs-step-title: 17px;
    --fs-step-text: 15px;
    --fs-stat-num: 104px;
    --fs-footer-word: 42px;
    --fs-proj-title: 26px;

    --arrow-size: 40px;

    --container-pad: 20px;
    --hero-body-pad-bottom: 56px;
    --hero-cta-bottom: 20px;
    --hero-sub-margin-top: 32px;

    --band-min-h: 460px;
    --map-h: 400px;
    --cert-logo-w: 160px;
  }
}

/* 手机（<=767.98px） */
@media (max-width: 767.98px) {
  :root {
    --sec-pad: 44px;
    --hero-h: 430px;

    --fs-hero-title: 42px;
    --fs-hero-sub: 16px;
    --fs-sec-title: 29px;
    --fs-lead: 15px;
    --fs-card-title: 18px;
    --fs-step-title: 16px;
    --fs-step-text: 14px;
    --fs-stat-num: 64px;
    --fs-footer-word: 29px;
    --fs-proj-title: 18px;

    --arrow-size: 36px;

    --container-pad: 16px;
    --hero-body-pad-bottom: 38px;
    --hero-cta-bottom: 16px;
    --hero-sub-margin-top: 22px;

    --band-min-h: 380px;
    --map-h: 300px;
    --cert-logo-w: 130px;
  }
}

/* 小手机（<=575.98px） */
@media (max-width: 575.98px) {
  :root {
    --fs-hero-title: 34px;
    --fs-sec-title: 26px;
    --fs-stat-num: 54px;
  }
}

/* ---------------------------------------------------------------- 3. Base */
* { -webkit-tap-highlight-color: transparent; }

html { scroll-behavior: smooth; }

body {
  font-family: "OPPO Sans TC", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei",
    "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.75;
  overflow-x: hidden;
      font-weight: 200;
}

h1, h2, h3, h4, h5 { font-weight: 500; line-height: 1.28; color: var(--ink); margin: 0; }
p { margin: 0; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }

.site-container {
  max-width: 1452px;
  padding-inline: var(--container-pad);
}

::selection { background: var(--brand); color: #fff; }

/* text helpers */
.t-brand { color: var(--brand); }
.t-muted { color: var(--ink-2); }
.fs-sm-2 { font-size: var(--fs-lead); }

/* ------------------------------------------------------------- 4. Buttons */
.btn-pill {
  --btn-bg: var(--brand);
  --btn-fg: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 25px;
  border-radius: var(--radius-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: 20px;
  border: 0;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s;
  white-space: nowrap;
}
.btn-pill:hover { color: var(--btn-fg); transform: translateY(-2px); box-shadow: var(--shadow-2); }
.btn-pill--green { --btn-bg: var(--green-solid); }
.btn-pill--navy { --btn-bg: #0d1b26; }
.btn-pill--outline {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  border: 1px solid var(--line-strong);
}
.btn-pill--outline:hover { --btn-bg: var(--bg-soft); }
.btn-pill--lg { padding: 9px 28px; font-size: 28px;}
.btn-pill--lg .arrow-dot svg { transform: rotate(0deg); width: 24px; height: 24px; }

/* circular arrow badge used on cards / buttons */
.arrow-dot {
  width: var(--arrow-size);
  height: var(--arrow-size);
  flex: 0 0 var(--arrow-size);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #fff;
  color: var(--ink);
  transition: transform .3s var(--ease), background .3s, color .3s;
}
.arrow-dot svg { width: 15px; height: 15px; transform: rotate(45deg); }

/* hero "探索更多" ghost button */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 19px;
  flex: 0 0 auto;
  white-space: nowrap;
  padding: 10px 13px 10px 64px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, .5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #fff;
  font-size: 20px;
  transition: background .3s, transform .3s var(--ease);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .3); color: #fff; transform: translateY(-2px); }
.btn-ghost .arrow-dot { background: transparent; color: #fff; border: 1px solid rgb(255 255 255 / 40%); }

@media (max-width: 1400px) {
  .btn-pill { font-size: 18px; }
  .btn-ghost { padding-left: 48px; font-size: 18px; }
}
@media (max-width: 991.98px) {
  .btn-pill { font-size: 16px; }
  .btn-ghost { padding-left: 38px; font-size: 16px; }
}
@media (max-width: 767.98px) {
  .btn-pill { font-size: 15px; padding: 8px 19px; }
  .btn-ghost { padding-left: 26px; font-size: 14px; gap: 13px; }
}

/* -------------------------------------------------------------- 5. Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1040;
  transition: background .35s var(--ease), box-shadow .35s var(--ease);
  border-bottom: 1px solid rgb(255 255 255 / 20%);
  padding: 10px 0;
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 26, 42, .58), rgba(7, 26, 42, 0));
  pointer-events: none;
  transition: opacity .35s var(--ease);
}
.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 88px;
}

.brand { display: flex; align-items: center; gap: 11px; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 75px;
  margin-inline: auto;
}
.main-nav a {
  position: relative;
  color: rgba(255, 255, 255, .92);
  font-size: 20px;
  padding: 0;
  transition: color .25s;
}
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 2px; border-radius: 2px;
  background: currentColor; transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.main-nav a:hover::after { transform: scaleX(1); }
.main-nav a.is-active { color: var(--green); font-weight: 600; }
.main-nav a.is-active::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 18px; }
.lang-switch {
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent; border: 0; padding: 6px 3px;
  color: rgba(255, 255, 255, .92); font-size: 15px; font-weight: 500;
}
.lang-switch svg { width: 12px; height: 12px; transition: transform .3s; }
.lang-switch[aria-expanded="true"] svg { transform: rotate(180deg); }
.lang-switch:hover, .lang-switch:focus-visible { color: #fff; }
.dropdown-menu { border: 0; box-shadow: var(--shadow-2); border-radius: 12px; padding: 6px; min-width: 128px; }
.dropdown-item { border-radius: 8px; font-size: 15px; padding: 7px 11px; }
.dropdown-item.active, .dropdown-item:active { background: var(--brand); }

.nav-toggle {
  margin-left: auto; width: 46px; height: 46px; border: 0;
  background: rgba(255, 255, 255, .16); border-radius: 12px;
  display: grid; place-items: center; padding: 10px 0;
}
.nav-toggle span { display: block; width: 20px; height: 2px; background: #fff; border-radius: 2px; }

/* sticky (scrolled) state */
.site-header.is-stuck { background: #fff; box-shadow: 0 8px 30px rgba(15, 40, 70, .08); }
.site-header.is-stuck::before { opacity: 0; }
.site-header.is-stuck .main-nav a { color: var(--ink-2); }
.site-header.is-stuck .main-nav a.is-active { color: var(--green-solid); }
.site-header.is-stuck .lang-switch { color: var(--ink-2); }
.site-header.is-stuck .nav-toggle { background: var(--bg-soft); }
.site-header.is-stuck .nav-toggle span { background: var(--ink); }

/* offcanvas mobile nav */
.offcanvas { --bs-offcanvas-width: 320px; }
.offcanvas .main-nav-mobile { display: flex; flex-direction: column; gap: 3px; }
.offcanvas .main-nav-mobile a {
  padding: 15px 6px; font-size: 18px; 
  border-bottom: 1px solid var(--line); color: var(--ink-2);
}
.offcanvas .main-nav-mobile a.is-active { color: var(--green-solid); }

/* ---------------------------------------------------------------- 6. Hero */
.hero {
  position: relative;
  height: var(--hero-h);
  min-height: var(--hero-h);
  background-color: #0b2436;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero--home { --hero-h: 1080px; }
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 26, 42, .55) 0%, rgba(7, 26, 42, 0) 26%),
    linear-gradient(90deg, rgba(6, 22, 36, .52) 0%, rgba(6, 22, 36, .12) 45%, rgba(6, 22, 36, 0) 70%);
}
.hero > * { position: relative; z-index: 2; width: 100%; }

.hero-body {
  position: relative;
  display: block;
  padding-bottom: var(--hero-body-pad-bottom);
  width: 100%;
}
.hero-cta { position: absolute; right: 0; bottom: var(--hero-cta-bottom); }
.hero-title {
  color: #fff;
  font-size: var(--fs-hero-title);
  line-height: 1.12;
  font-weight: 600;
  text-shadow: 0 4px 30px rgba(0, 0, 0, .3);
}
.hero-sub {
  margin-top: var(--hero-sub-margin-top);
  color: #fff;
  font-size: var(--fs-hero-sub);
  line-height: 1.45;
  letter-spacing: -.03em;
  text-shadow: 0 2px 18px rgba(0, 0, 0, .35);
}
.hero--home .hero-title { font-size: var(--fs-hero-title); }
@media (min-width: 1200px) {
  .hero-title { white-space: nowrap; }
}
.hero--home .hero-body { padding-bottom: var(--hero-body-pad-bottom); }
.hero--home .hero-copy { margin-bottom: 0; }
.hero--about { background-position: 68% center; }
.hero--services { background-position: 72% center; }
.hero--projects { background-position: 78% center; }
.hero--contact { background-position: 74% center; }

@media (max-width: 1400px) {
  .hero--home { --hero-h: 820px; }
}
@media (max-width: 991.98px) {
  .hero--home { --hero-h: 640px; }
}
@media (max-width: 767.98px) {
  .hero--home { --hero-h: 540px; }
}

/* ------------------------------------------------------------- 7. Section */
.section { padding-block: var(--sec-pad); }
.section--soft { background: var(--bg-soft); }
.section--tight-top { padding-top: 56px; }
.section iframe { width: 100%; }

.sec-head {
  display: flex;
  align-items: center;
  gap: 22px;
  border-bottom: 1px solid var(--line);
  padding: 25px 0;
}
.sec-head__label {
  color: var(--brand);
  font-size: var(--fs-lead);
  font-weight: 500;
  white-space: nowrap;
}
.sec-head__rule { flex: 1; height: 1px; background: transparent; min-width: 24px; }
.sec-head__en {
  color: var(--muted-2);
  font-size: var(--fs-lead);
  white-space: nowrap;
}

.sec-title {
  font-size: var(--fs-sec-title);
  line-height: 1.22;
  font-weight: 500;
  letter-spacing: -.07em;
}

.lead-text {
  color: var(--ink-2);
  font-size: var(--fs-lead);
  line-height: 1.95;
}
.muted-text {
  color: var(--ink-2);
  font-size: var(--fs-lead);
  line-height: 1.95;
}

.section--about .title--en { font-size: var(--fs-lead);  color: var(--brand); }
.section--about .title--cn { font-size: var(--fs-card-title); color: var(--brand); }
.section--about .title--bottom { font-size: var(--fs-lead); color: var(--ink-2); }
.section--about .about--info { font-size: var(--fs-lead); color: var(--ink-2); }
.section--about .about--info strong { font-weight: 400; }

@media (max-width: 991.98px) {
  .section--tight-top { padding-top: 40px; }
  .sec-head { gap: 16px; }
}
@media (max-width: 767.98px) {
  .section--tight-top { padding-top: 32px; }
  .sec-head { gap: 13px; padding: 18px 0; }
  .muted-text{line-height: 1.5!important;}
}
@media (max-width: 575.98px) {
  .sec-head { gap: 10px; }
  .sec-head__label, .sec-head__en { font-size: 13px; }
}

/* ------------------------------------------------------- 8. Home: intro */
.intro-media img { width: 100%; border-radius: var(--radius-lg); }

.svc-card {
  position: relative;
  border-top: 2px solid #000;
  padding: 26px 24px;
  min-height: 280px;
  margin-bottom: 4px;
  transition: .3s var(--ease);
}
.svc-card__icon { width: 58px; height: 58px; color: var(--orange); margin: 20px 0; }
.svc-card__icon img { width: 100%; height: 100%; object-fit: contain; }
.svc-card__icon img.defimg { display: block; }
.svc-card__icon img.hoverimg { display: none; }
.svc-card h3 {
  font-size: var(--fs-card-title);
  font-weight: 500;
  letter-spacing: -.03em;
}
.svc-card__more {
  display: inline-flex; align-items: center; gap: 7px;
  margin-top: 16px; color: var(--muted-2); font-size: 16px;
  transition: color .25s;
}
.svc-card:hover {
  background: var(--brand);
  color: #fff;
  border-radius: var(--radius);
  border-top-color: transparent;
}
.svc-card:hover h3 { color: #fff; }
.svc-card:hover .svc-card__icon img.hoverimg { display: block; }
.svc-card:hover .svc-card__icon img.defimg { display: none; }
.svc-card:hover .svc-card__more { display: none; }
.svc-card:hover p { color: rgba(255, 255, 255, .95); font-size: 15px; line-height: 1.8; margin-top: 14px; }

.svc-card__hover {
  max-height: 0; opacity: 0; overflow: hidden;
  color: var(--muted); font-size: 16px; line-height: 1.85;
  transition: max-height .4s var(--ease), opacity .35s var(--ease), margin .4s var(--ease);
}
.svc-card:hover .svc-card__hover { max-height: 150px; opacity: 1; margin-top: 14px; }

.is-swapping { animation: fadeUp .45s var(--ease); }

/* -------------------------------------------------- 9. Home: benefits band */
.benefits-band {
  position: relative;
  min-height: var(--band-min-h);
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-block: 80px;
}
.benefit-card {
  width: 420px;
  max-width: 88vw;
  border: 20px solid #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  text-align: left;
}
.benefit-card__body { background: #fff; padding: 30px 0; }
.benefit-card__media { border-radius: 20px; overflow: hidden; margin-bottom: 22px; }
.benefit-card__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; opacity: 0; }
.benefit-card h3 { font-size: var(--fs-card-title); margin-bottom: 13px; }
.benefit-card p { color: var(--ink-2); font-size: var(--fs-lead); line-height: 1.75; }

.band-nav {
  position: absolute;
  inset: auto 0 8%;
  display: flex; justify-content: space-between;
  padding-inline: 80px;
  pointer-events: none;
}
.band-nav button {
  pointer-events: auto;
  border: 0; background: transparent;
  color: rgba(255, 255, 255, .9);
  font-size: 20px; display: inline-flex; align-items: center; gap: 8px;
  transition: color .25s, transform .25s var(--ease);
}
.band-nav button:hover { color: #fff; transform: translateX(-4px); }
.band-nav button:last-child:hover { transform: translateX(4px); }

@media (max-width: 1400px) {
  .benefits-band { padding-block: 64px; }
  .band-nav { padding-inline: 56px; }
}
@media (max-width: 991.98px) {
  .benefits-band { padding-block: 48px; }
  .band-nav { padding-inline: 32px; }
}
@media (max-width: 767.98px) {
  .benefits-band { padding-block: 60px; }
  .band-nav { padding-inline: 16px; bottom: 2%; }
}

/* -------------------------------------------------------- 10. Projects */
.proj-intro { color: var(--ink-2); font-size: var(--fs-lead); line-height: 1.9; }
.proj-intro strong { font-weight: 500; }

.proj-list { border-top: 1px solid var(--line); }
.proj-item { border-bottom: 1px solid var(--line); padding-block: 112px; }

.proj-item__head {
  width: 100%; border: 0; background: transparent; padding: 0;
  display: flex; align-items: center; gap: 16px; text-align: left;
  font-weight: 200;
}
.proj-item__head h3 {
  font-size: var(--fs-proj-title);
  flex: 0 0 auto;
  letter-spacing: -.05em;
}
.proj-item__tags { display: flex; flex-wrap: wrap; gap: 9px; margin-left: auto; }

.pill {
  display: inline-flex; align-items: center;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  font-size: 16px; font-weight: 200; line-height: 1.5;
  white-space: nowrap;
}
.pill--blue { background: var(--brand); color: #fff; }
.pill--deep { background: var(--brand-deep); color: #fff; }
.pill--green { background: var(--green); color: #fff; }
.pill--orange { background: var(--orange); color: #fff; }
.pill--dark { background: #2a2a2a; color: #fff; }
.pill--plain { background: #fff; color: var(--ink-2); }
.is-open .pill--plain { background: #2a2a2a; color: #fff; }

.proj-item__chevron {
  flex: 0 0 42px; width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--bg-soft); color: var(--brand);
  transition: transform .35s var(--ease), background .3s;
}
.proj-item__chevron svg { width: 16px; height: 16px; }
.proj-item.is-open .proj-item__chevron { transform: rotate(180deg); }
.proj-item--green .proj-item__chevron { background: #f1fbe0; color: #79b600; }
.proj-item--orange .proj-item__chevron { background: #fff5e0; color: #e19f00; }

.proj-item__body { display: none; padding-top: 38px; }
.proj-item.is-open .proj-item__body { display: block; animation: fadeUp .5s var(--ease); }

.proj-sub { padding-block: 29px 112px; }
.proj-sub:last-child { padding-bottom: 0; }
.proj-sub + .proj-sub { border-top: 1px solid var(--line); }
.proj-sub__en { color: var(--brand); font-size: 16px; }
.proj-sub__name { font-size: 28px; margin-top: 20px; }
.proj-sub__tags { display: flex; flex-wrap: wrap; gap: 9px; justify-content: flex-end; }
.proj-media { position: relative; border-radius: var(--radius); overflow: hidden; }
.proj-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .6s var(--ease); }
.proj-media:hover img { transform: scale(1.05); }
.proj-media__cap { text-align: center; color: var(--ink-2); font-size: 16px; margin-top: 20px; }
.proj-desc { color: var(--ink-2); font-size: var(--fs-lead); line-height: 1.9; margin-top: 26px;  }

@media (max-width: 1400px) {
  .proj-item { padding-block: 42px; }
  .proj-list--tall .proj-item { padding-block: 80px; }
  .proj-item__body { padding-top: 32px; }
  .proj-desc { margin-top: 21px; }
}
@media (max-width: 991.98px) {
  .proj-item { padding-block: 29px; }
  .proj-list--tall .proj-item { padding-block: 51px; }
  .proj-item__body { padding-top: 26px; }
  .proj-sub { padding-block: 21px; }
  .proj-sub__name { font-size: 20px; }
}
@media (max-width: 767.98px) {
  .proj-item { padding-block: 19px; }
  .proj-list--tall .proj-item { padding-block: 26px; }
  .proj-item__head { flex-wrap: wrap; }
  .proj-item__tags { margin-left: 0; width: 100%; order: 3; }
  .proj-sub__tags { justify-content: flex-start; }
  .proj-item__body { padding-top: 19px; }
}

/* --------------------------------------------------------- 11. Services */
.svc-block { padding-block: 48px; }
.svc-block + .svc-block { border-top: 1px solid var(--line); }
.svc-block__media { position: relative; border-radius: var(--radius-lg); overflow: hidden; }
.svc-block__media img { width: 100%; aspect-ratio: 1 / 1.06; object-fit: cover; transition: transform .6s var(--ease); }
.svc-block__media:hover img { transform: scale(1.05); }
.svc-block__media .svc__num {
  height: 80px;
  width: 80px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, .55);
  position: absolute;
  top: 20px;
  left: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 16px;
  color: var(--brand);
  font-weight: 600;
}
.order-lg-2 .svc-block__media .svc__num {
  left: auto;
  right: 20px;
}

.svc-block__no {
  position: absolute; top: 18px; left: 18px;
  width: 62px; height: 62px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, .55);
  backdrop-filter: blur(4px);
  color: var(--ink-2); font-size: 17px; font-weight: 500;
}
.svc-block__no--right { left: auto; right: 18px; }
.svc-block__en { color: var(--brand); font-size: var(--fs-lead); }
.block--blue { color: var(--brand); }
.block--green { color: var(--green); }
.block--orange { color: var(--orange); }
.block--deep { color: var(--brand-deep); }
.svc-block h2 {
  font-size: 32px;
  margin-top: 6px;
  letter-spacing: -.04em;
}
.svc-block__desc {
  color: var(--ink-2);
  margin-top: 16px;
  font-size: var(--fs-lead);
  line-height: 1.95;
}
.svc-block__divider { height: 1px; background: var(--line); margin-block: 26px; }
.svc-block__label { font-size: var(--fs-lead); font-weight: 500; margin-bottom: 16px; }

.checklist { display: grid; gap: 14px; }
.checklist li { display: flex; align-items: flex-start; gap: 11px; color: var(--ink-2); font-size: var(--fs-lead); line-height: 1.7; }
.checklist .ck {
  flex: 0 0 22px; width: 22px; height: 22px; margin-top: 3px;
  border-radius: 50%; display: grid; place-items: center;
  border: 1.6px solid currentColor;
}
.checklist .ck svg { width: 11px; height: 11px; }
.checklist--blue { color: var(--brand); }
.checklist--green { color: var(--green); }
.checklist--orange { color: var(--orange); }
.checklist--deep { color: var(--brand-deep); }
.checklist--orange li,
.checklist--green li,
.checklist--blue li,
.checklist--deep li { color: var(--ink-2); }
.checklist--blue .ck { color: var(--brand); }
.checklist--green .ck { color: var(--green); }
.checklist--orange .ck { color: var(--orange); }
.checklist--deep .ck { color: var(--brand-deep); }

.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }

@media (max-width: 1400px) {
  .svc-block { padding-block: 40px; }
  .svc-block h2 { font-size: 30px; }
}
@media (max-width: 991.98px) {
  .svc-block { padding-block: 32px; }
  .svc-block h2 { font-size: 26px; }
  .svc-block__no { width: 54px; height: 54px; }
}
@media (max-width: 767.98px) {
  .svc-block { padding-block: 24px; }
  .svc-block h2 { font-size: 21px; }
  .svc-block__no { width: 48px; height: 48px; font-size: 14px; }
  .checklist { gap: 10px; }
}

/* ------------------------------------------------------ 12. Process (dark) */
.process {
  position: relative;
  background-size: cover;
  background-position: center;
  padding-block: 96px;
  color: #fff;
}
.process::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(24, 32, 44, .74), rgba(24, 32, 44, .58));
}
.process > .container { position: relative; z-index: 2; }
.process .sec-title { color: #fff; margin-bottom: 42px; }

.process-card {
  background: #fff; color: var(--ink);
  border-radius: var(--radius-lg);
  padding: 59px;
  box-shadow: var(--shadow-1);
}
.process-steps { display: grid; grid-template-columns: repeat(7, 1fr); gap: 0; }
.step { position: relative; }
.step__no {
  font-size: 42px;
  font-weight: 500;
  letter-spacing: .02em;
}
.step__rail { position: relative; height: 30px; margin-bottom: 30px; margin-top: 10px; }
.step__rail::before {
  content: ""; position: absolute; left: 0; right: 0; top: 14px;
  height: 1px; background: var(--brand);
}
.step:last-child .step__rail::before { right: 20%; }
.step__rail::after {
  content: ""; position: absolute; left: 1px; top: 2px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--brand); border: 4px solid #fff; box-shadow: 0 0 0 1px var(--brand);
  box-sizing: content-box;
}
.step h4 { font-size: var(--fs-step-title); margin-bottom: 8px; font-weight: 400; }
.step p { color: var(--ink-2); font-size: var(--fs-step-text); line-height: 1.5;  padding-right: 10px;}

@media (max-width: 1400px) {
  .process { padding-block: 80px; }
  .process-card { padding: 45px; }
  .step__no { font-size: 30px; }
}
@media (max-width: 991.98px) {
  .process { padding-block: 56px; }
  .process-card { padding: 32px; }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 26px 0; }
  .step__rail { height: 20px; }
  .step__no { font-size: 26px; }
}
@media (max-width: 767.98px) {
  .process { padding-block: 48px; }
  .process-card { padding: 26px; }
  .process-steps { grid-template-columns: 1fr; }
  .step__no { font-size: 21px; }
  .step__rail::before { display: none; }
  .step:last-child .step__rail::before { right: 0%; }
}

/* ------------------------------------------------------ 13. Feature cards */
.feature-card {
  padding: 30px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  transition: transform .3s var(--ease);
}
.feature-card__top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 24px; }
.feature-card__icon {
  display: grid; place-items: center;
  background: #fff;
}
.feature-card__arrow { color: #a5a5a5; transition: transform .3s var(--ease); }
.feature-card__arrow svg { transform: rotate(180deg); }
.feature-card:hover .feature-card__arrow { transform: translate(4px, 4px); color: #a5a5a5; }
.feature-card h3 { color: var(--ink-2); font-size: var(--fs-card-title); margin-top: 80px; margin-bottom: 30px; letter-spacing: -.03em; }
.feature-card p { color: var(--ink-2); font-size: var(--fs-lead); line-height: 1.5; }

.feature-card-1 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.feature-card__item {
  background: #fff;
  border: 0;
  border-radius: 0;
  padding: 35px;
  align-items: center;
  gap: 16px;
  position: relative;
  height: 100%;
}
.feature-card__item h3 { color: var(--ink-2); font-size: var(--fs-card-title); margin-top: 80px; margin-bottom: 20px; letter-spacing: -.03em; }
.feature-card__item p { color: var(--ink-2); font-size: var(--fs-lead); line-height: 1.5;  }

@media (max-width: 767.98px) {
  .feature-card h3,
  .feature-card__item h3 { margin-top: 50px; margin-bottom: 20px; }
  .feature-card-1 { grid-template-columns: 1fr; gap: 1px; }
}

/* ------------------------------------------------------------ 14. Stats */
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: stretch; }
.stat-cell { padding: 48px; }
.stat-cell:first-child { border-right: 1px solid var(--line-strong); }
.stat-num {
  font-size: var(--fs-stat-num);
  font-weight: 600; line-height: 1; color: var(--brand);
  letter-spacing: -.02em;
}
.stat-cap { color: var(--ink-2); font-size: var(--fs-lead); margin-top: 35px; font-weight:300;}
.stat-panel { height: 100%; }
.stat-panel h3 { font-size: var(--fs-sec-title); margin-top: 35px; }
.stat-panel__tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 50px; }

@media (max-width: 1400px) {
  .stat-cell { padding: 35px; }
  .stat-panel { padding: 29px; }
  .stat-panel h3 { font-size: 40px; }
}
@media (max-width: 991.98px) {
  .stat-grid { grid-template-columns: 1fr; }
  .stat-cell:first-child { border-right: 0; border-bottom: 1px solid var(--line-strong); }
  .stat-cell { padding: 26px; }
  .stat-panel { padding: 0; }
  .stat-panel h3 { font-size: 28px; }
}
@media (max-width: 767.98px) {
  .stat-panel h3 { font-size: 22px; }
}

/* --------------------------------------------------- 15. Certifications */
.cert-card {
  border-radius: var(--radius-lg);
  padding: 48px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  height: 100%;
  text-align: center;
}
.cert-card--clp { background: #e5f1fc; }
.cert-card--hk { background: #fdecec; }
.cert-card__name { margin-top: 19px; font-size: var(--fs-hero-sub); font-weight: 300; color: var(--ink-2); }
.cert-card__logo { width: 100%; height: 100%; }
.cert-card__img {
  height: 144px;
  justify-content: center;
  align-items: center;
  display: flex;
}
.cert-card__logo img { margin: 0 auto; }
.cert-card__doc {
  height: 223px;
  width: auto;
  flex: 0 0 auto;
  object-fit: contain;
  box-shadow: var(--shadow-2);
  border-radius: 4px;
}

@media (max-width: 1400px) {
  .cert-card { padding: 35px; }
}
@media (max-width: 991.98px) {
  .cert-card { padding: 29px; }
}
@media (max-width: 767.98px) {
  .cert-card { padding: 24px; }
}

/* ----------------------------------------------------------- 16. Contact */
.wa-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.wa-card {
  background: #fff;
  border: 0;
  border-radius: 0;
  padding: 35px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
  height: 100%;
}

.wa-card__icon {
  width: 70px; height: 70px; flex: 0 0 70px; border-radius: 50%;
  display: grid; place-items: center;
  transition: .3s var(--ease);
}
.wa-card__info { transition: .3s var(--ease); }
.wa-card__role {
  color: var(--ink);
  font-size: var(--fs-lead);
  line-height: 1.3;
}
.wa-card__no {
  font-size: var(--fs-hero-sub);
  font-weight: 500; color: var(--ink); letter-spacing: .02em; line-height: 1.3;
}
.wa-card__go { position: absolute; right: 16px; color: var(--muted-2); transition: .3s var(--ease); }
.wa-card__go svg { width: 26px; height: 26px; }
.wa-card:hover .wa-card__icon,
.wa-card:hover .wa-card__info,
.wa-card:hover .wa-card__go { transform: translateY(-3px); }

.info-line { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.info-line__icon {
  width: 38px; height: 38px; flex: 0 0 38px; border-radius: 12px;
  background: var(--bg-soft); color: var(--brand); display: grid; place-items: center;
}
.info-line__icon svg { width: 19px; height: 19px; color: var(--brand); }
.info-line a, .info-line span {
  color: var(--ink);
  font-size: var(--fs-lead);
  font-weight: 300;
}

.qr-box { display: flex; align-items: flex-start; gap: 22px; }
.qr-box img { width: 104px; height: 104px; object-fit: cover; border-radius: 10px; }
.qr-box__cap {
  color: var(--ink-2);
  font-size: 16px;
  margin-top: 19px;
}

.map-link { display: block; position: relative; }
.map-link::after {
  content: "在地圖中開啟";
  position: absolute; right: 28px; bottom: 28px;
  background: rgba(13, 27, 38, .82); color: #fff;
  padding: 8px 18px; border-radius: var(--radius-pill);
  font-size: 14px; transition: background .25s;
}
.map-link:hover::after { background: var(--brand); }
.map-embed {
  width: 100%; height: var(--map-h);
  border: 0; display: block; object-fit: cover; filter: saturate(1.05);
}

@media (max-width: 1400px) {
  .wa-card { padding: 29px; }
  .map-link::after { right: 20px; bottom: 20px; }
}
@media (max-width: 991.98px) {
  .wa-card { padding: 22px; }
  .map-link::after { right: 16px; bottom: 16px; }
}
@media (max-width: 767.98px) {
  .wa-card { padding: 16px; }
  .qr-box { flex-direction: column; }
  .qr-box img { width: 88px; height: 88px; }
  .map-link::after { right: 12px; bottom: 12px; }
}
@media (max-width: 575.98px) {
  .wa-card__no { font-size: 16px; }
}

/* -------------------------------------------------------------- 17. Form */
.form-label-x { font-size: var(--fs-lead);font-weight: 300; color: var(--ink-2); margin-bottom: 10px; display: block; }
.form-label-x .req { color: #e5484d; margin-left: 2px; }
.form-field {
  width: 100%;
  border: 0;
  background: #fff;
  border-radius: var(--radius-pill);
  padding: 15px 22px;
  font-size: var(--fs-lead);
  color: var(--ink);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, .02) inset;
  transition: box-shadow .25s;
  font-weight: 200;
}
.form-field::placeholder { color: #a9bccb; }
.form-field:focus { outline: 0; box-shadow: 0 0 0 2px var(--brand) inset; }
textarea.form-field { border-radius: 20px; min-height: 150px; resize: vertical; }

.pill-radio { display: flex; flex-wrap: wrap; gap: 13px; }
.pill-radio input { position: absolute; opacity: 0; pointer-events: none; }
.pill-radio label {
  cursor: pointer;
  padding: 11px 26px;
  border-radius: var(--radius-pill);
  background: #fff;
  color: var(--ink-2);
  font-size: var(--fs-lead);
  transition: .25s var(--ease);
  border: 1px solid transparent;
  text-align: center;
}
.pill-radio--even > div { flex: 1 1 0; min-width: 128px; }
.pill-radio--even label { display: block; padding-inline: 10px; }
.pill-radio label:hover { border-color: var(--brand); color: var(--brand); }
.pill-radio input:checked + label { background: var(--brand); color: #fff; border-color: var(--brand); }
.pill-radio input:focus-visible + label { outline: 2px solid var(--brand-deep); outline-offset: 2px; }

.submit-row { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; position: relative;}
.btn-dark {
  display: inline-flex; align-items: center; gap: 14px;
  background: #0d1b26; color: #fff;
  border: 0; border-radius: var(--radius-pill);
 padding: 9px 28px;
  font-size: 28px;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.btn-dark:hover { color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-2); }
.btn-dark .arrow-dot { background: #fff; color: #0d1b26; }
.btn-dark .arrow-dot svg { transform: rotate(0deg); width: 24px; height: 24px; }
.form-note { color: var(--ink-2); font-size: 16px; position: absolute;right: 0;; }
.form-ok { display: none; color: var(--green-solid); font-size: 15px; font-weight: 500; margin-top: 16px; }
.form-ok.show { display: block; }

/* ------------------------------------------------------------ 18. Footer */
.site-footer { background: linear-gradient(180deg, #fcfeff 0%, #eef8ff 100%); padding: 72px 0 36px; }
.footer-top {
  display: flex; align-items: center; gap: 19px;
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
}
.footer-top__name { color: var(--brand); font-size: var(--fs-lead); font-weight: 500; }
.footer-top__copy { color: var(--muted-2); font-size: var(--fs-lead); margin-left: auto; text-align: right; }
.footer-wordmark {
  font-size: var(--fs-footer-word);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
  padding-block: 48px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 24px;
  padding-block: 42px;
}
.footer-nav { display: flex; flex-wrap: wrap; gap: 35px; }
.footer-nav a { font-size: var(--fs-lead); font-weight: 500; color: var(--ink-2); transition: color .25s; }
.footer-nav a:hover { color: var(--brand); }
.footer-col h4 { font-size: var(--fs-lead); color: var(--muted-2); margin-bottom: 14px; }
.footer-col p, .footer-col a { color: var(--ink-2); font-size: var(--fs-lead); line-height: 1.9; display: block;font-weight:400;}
.footer-col a:hover { color: var(--brand); }
.footer-bottom { border-top: 1px solid var(--line); padding-block: 18px; }
.footer-bottom p { color: var(--muted-2); font-size: 13px; }

@media (max-width: 1400px) {
  .site-footer { padding-top: 58px; }
  .footer-wordmark { padding-block: 38px; }
  .footer-nav a { font-size: 17px; }
  .footer-col p, .footer-col a { font-size: 16px; }
}
@media (max-width: 991.98px) {
  .site-footer { padding-top: 48px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; align-items: flex-start; }
  .footer-top__copy { margin-left: 0; text-align: left; }
  .footer-wordmark { padding-block: 32px; }
}
@media (max-width: 767.98px) {
  .site-footer { padding-top: 40px; padding-bottom: 0;}
  .footer-top { padding: 24px 0; }
  .footer-wordmark { text-align: left; padding-block: 22px; white-space: normal; }
  .footer-nav {gap: 20px; }
  .footer-nav a { font-size: 15px; }
  .footer-col p, .footer-col a { font-size: 14px; }
  .form-note {position: relative;}
}

/* ------------------------------------------------- 19. Floating actions */
.side-actions {
  position: fixed;
  right: 22px;
  bottom: 34px;
  z-index: 1035;
  display: flex; flex-direction: column; gap: 10px; align-items: flex-end;
}
.side-actions__btn {
  display: inline-flex; align-items: center; gap: 10px;
  height: 68px; padding: 0 18px;
  border-radius: var(--radius-pill);
  color: #fff; font-size: 16px; font-weight: 500;
  box-shadow: 0 10px 24px rgba(15, 40, 70, .18);
  transition: transform .25s var(--ease), filter .25s;
  border: 0;
  white-space: nowrap;
}
.side-actions__btn:hover { color: #fff; transform: translateX(-4px); filter: brightness(1.05); }
.side-actions__btn svg { width: 20px; height: 20px; }
.side-actions__btn--navy { background: var(--navy); }
.side-actions__btn--blue { background: #0ea5e9; }
.side-actions__btn--wa { background: var(--wa); }

.to-top {
  position: fixed;
  right: 22px;
  z-index: 1035;
  width: 46px; height: 46px; border-radius: 14px;
  background: #0d1b26; color: #fff; border: 0;
  display: grid; place-items: center;
  opacity: 0; pointer-events: none;
  transition: opacity .3s, transform .3s var(--ease);
  transform: translateY(8px);
}
.to-top.show { opacity: 1; pointer-events: auto; transform: none; }
.to-top svg { width: 18px; height: 18px; }

@media (max-width: 1400px) {
  .side-actions { right: 16px; bottom: 24px; }
  .to-top { right: 16px; }
}
@media (max-width: 767.98px) {
  .side-actions { right: 10px; bottom: 16px; }
  .to-top { right: 10px; }
  .side-actions__btn span { display: none; }
  .side-actions__btn { width: 46px; height: 46px;padding: 0; justify-content: center; }
}

/* ------------------------------------------------------- 20. Animations */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ------------------------------------------------------- 21. Responsive */
@media (max-width: 1199.98px) {
  .site-header.is-stuck .nav-toggle { background: var(--bg-soft); }
  .hero-body { padding-bottom: 48px; }
  .hero-cta { position: static; margin-top: 32px; }
}

@media (max-width: 991.98px) {
  .stat-grid { grid-template-columns: 1fr; }
  .stat-cell:first-child { border-right: 0; border-bottom: 1px solid var(--line-strong); }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 26px 0; }
  .step__rail { height: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; align-items: flex-start; }
  .footer-top__copy { margin-left: 0; text-align: left; }
}

@media (max-width: 767.98px) {
  .svc-cards > [class*="col"]:nth-child(-n+2) .svc-card { border-top: 1px solid var(--line-strong); padding-top: 26px; }
  .svc-card { min-height: 0; }
  .proj-item__head { flex-wrap: wrap; }
  .proj-item__tags { margin-left: 0; width: 100%; order: 3; }
  .proj-sub__tags { justify-content: flex-start; }
  .hero-title { font-size: var(--fs-hero-title); }
  .side-actions__btn span { display: none; }
  .side-actions__btn { width: 46px; padding: 0; justify-content: center; }
  .qr-box { flex-direction: column; }
  .process-steps { grid-template-columns: 1fr; }
  .step__rail::before { display: none; }
  .footer-wordmark { text-align: left; }
}

@media (max-width: 575.98px) {
  .sec-head { gap: 10px; }
  .sec-head__label, .sec-head__en { font-size: 13px; }
  .wa-card__no { font-size: 16px; }
}