/* ==========================================================
   炫風清潔｜網站樣式
   品牌色取自 Logo：深藍 → 天藍漸層＋黃色星芒
   ========================================================== */
:root {
  --c-primary: #1554a6;
  --c-primary-600: #1d68c4;
  --c-primary-400: #3e9bda;
  --c-primary-100: #e3effb;
  --c-primary-50: #f3f8fe;
  --c-navy: #0b2a55;
  --c-navy-2: #11407e;
  --c-accent: #ffd43b;
  --c-line: #06c755;
  --c-line-dark: #05a847;
  --c-ink: #13233a;
  --c-text: #3a4a60;
  --c-muted: #6b7a8f;
  --c-border: #dde7f3;
  --c-bg: #ffffff;
  --c-danger: #d93a3a;

  --grad-brand: linear-gradient(135deg, #0f4a9a 0%, #1d68c4 55%, #3e9bda 100%);
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 10px 30px rgba(14, 48, 98, 0.08);
  --shadow-lg: 0 24px 60px rgba(14, 48, 98, 0.16);
  --container: 1160px;
  --header-h: 72px;
  --font: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
}

/* ---------- 基本設定 ---------- */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text);
  background: var(--c-bg);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { color: var(--c-ink); line-height: 1.3; margin: 0; }
p { margin: 0; }
button { font: inherit; }
svg { width: 1em; height: 1em; flex: none; }
:focus-visible { outline: 3px solid var(--c-primary-400); outline-offset: 2px; border-radius: 6px; }
section[id] { scroll-margin-top: var(--header-h); }

.container { width: min(100% - 40px, var(--container)); margin-inline: auto; }
.container-narrow { --container: 820px; }

/* 線條 icon 共用 */
.service-icon svg, .why-icon svg, .hero-points svg, .contact-list svg,
.mobile-bar svg, .header-phone svg, .success-icon svg {
  fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.sparkle { fill: var(--c-accent); }

/* ---------- 按鈕 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border-radius: 999px; border: 2px solid transparent;
  font-weight: 700; font-size: 1rem; line-height: 1.2; cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn svg { font-size: 1.25em; fill: currentColor; }
.btn-lg { padding: 16px 30px; font-size: 1.06rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--grad-brand); color: #fff; box-shadow: 0 10px 24px rgba(21, 84, 166, .28); }
.btn-primary:hover { box-shadow: 0 14px 30px rgba(21, 84, 166, .36); }
.btn-line { background: var(--c-line); color: #fff; box-shadow: 0 10px 24px rgba(6, 199, 85, .25); }
.btn-line:hover { background: var(--c-line-dark); }
.btn-outline { border-color: var(--c-primary); color: var(--c-primary); background: #fff; }
.btn-outline:hover { background: var(--c-primary); color: #fff; }

/* ---------- 頁首 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}
.site-header.is-scrolled { border-color: var(--c-border); box-shadow: 0 6px 20px rgba(14, 48, 98, .06); }
.header-inner { height: var(--header-h); display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.brand img { width: 44px; height: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 1.3rem; font-weight: 900; color: var(--c-primary); letter-spacing: .12em; }
.brand-text small { font-size: .62rem; letter-spacing: .16em; color: var(--c-muted); font-weight: 500; }

.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav a {
  padding: 8px 12px; border-radius: 999px; font-weight: 500; color: var(--c-ink);
  font-size: .97rem; transition: color .2s, background-color .2s;
}
.site-nav a:hover, .site-nav a.is-active { color: var(--c-primary); background: var(--c-primary-50); }
.site-nav .nav-cta { background: var(--grad-brand); color: #fff; padding: 8px 18px; margin-left: 6px; }
.site-nav .nav-cta:hover { color: #fff; background: var(--grad-brand); filter: brightness(1.08); }

.header-phone {
  display: flex; align-items: center; gap: 6px; font-weight: 700; color: var(--c-primary);
  font-size: 1.02rem; white-space: nowrap;
}
.header-phone svg { font-size: 1.15rem; }

.nav-toggle {
  display: none; width: 44px; height: 44px; border: 0; border-radius: 12px; background: var(--c-primary-50);
  cursor: pointer; flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.nav-toggle span { width: 20px; height: 2px; background: var(--c-primary); border-radius: 2px; transition: transform .3s, opacity .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 主視覺 ---------- */
.hero {
  position: relative; overflow: hidden; overflow: clip;
  background: linear-gradient(180deg, var(--c-primary-50) 0%, #fff 100%);
  padding: 64px 0 88px;
}
.hero-bg .orb { position: absolute; border-radius: 50%; pointer-events: none; }
.hero-bg .orb-1 {
  width: 620px; height: 620px; right: -160px; top: -180px;
  background: radial-gradient(circle at 30% 30%, rgba(62, 155, 218, .28), rgba(21, 84, 166, .08) 60%, transparent 70%);
}
.hero-bg .orb-2 {
  width: 380px; height: 380px; left: -140px; bottom: -160px;
  background: radial-gradient(circle, rgba(62, 155, 218, .16), transparent 70%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px 6px 12px; border-radius: 999px; background: #fff; border: 1px solid var(--c-border);
  color: var(--c-primary); font-weight: 700; font-size: .92rem; box-shadow: var(--shadow);
}
.eyebrow .sparkle { font-size: 1rem; }
.hero h1 {
  margin: 22px 0 18px;
  font-size: clamp(2.3rem, 5.4vw, 3.9rem);
  font-weight: 900; letter-spacing: .03em; line-height: 1.22;
}
.hero h1 em {
  font-style: normal;
  background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { font-size: clamp(1.02rem, 1.6vw, 1.14rem); max-width: 32em; color: var(--c-text); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 22px; list-style: none; padding: 0; margin: 28px 0 0; }
.hero-points li { display: flex; align-items: center; gap: 6px; font-weight: 500; color: var(--c-ink); }
.hero-points svg {
  width: 22px; height: 22px; padding: 4px; border-radius: 50%;
  background: var(--c-primary); color: #fff; stroke-width: 2.6;
}

.hero-visual { position: relative; justify-self: center; width: min(100%, 440px); }
.hero-photo {
  margin: 0; position: relative; border-radius: 28px; overflow: hidden;
  box-shadow: var(--shadow-lg); aspect-ratio: 4 / 5; border: 6px solid #fff;
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 60% 60%; }
.hero-photo figcaption {
  position: absolute; left: 14px; top: 14px; padding: 6px 14px; border-radius: 999px;
  background: rgba(11, 42, 85, .78); color: #fff; font-size: .85rem; font-weight: 500;
  backdrop-filter: blur(6px);
}
.hero-card {
  position: absolute; left: -48px; bottom: 36px;
  display: flex; align-items: center; gap: 12px;
  padding: 10px 18px 10px 10px; border-radius: 18px; background: #fff; box-shadow: var(--shadow-lg);
  animation: float 5s ease-in-out infinite;
}
.hero-card img { width: 64px; height: 64px; border-radius: 12px; object-fit: cover; }
.hero-card strong { display: block; color: var(--c-ink); font-size: .98rem; }
.hero-card span { font-size: .85rem; color: var(--c-muted); }
.hero-badge {
  position: absolute; right: -22px; top: 40px;
  display: flex; align-items: center; gap: 6px;
  padding: 10px 18px; border-radius: 999px; background: var(--c-navy); color: #fff; font-weight: 700;
  box-shadow: var(--shadow-lg); animation: float 5s ease-in-out -2.5s infinite;
}
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

.stats {
  position: relative; list-style: none; margin: 64px 0 0; padding: 22px 12px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); box-shadow: var(--shadow-lg);
}
.stats li { text-align: center; padding: 4px 12px; }
.stats li + li { border-left: 1px solid var(--c-border); }
.stats strong {
  display: block; font-size: clamp(2rem, 3.6vw, 2.7rem); font-weight: 900; line-height: 1.15;
  background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stats small { font-size: .45em; margin-left: 3px; font-weight: 700; }
.stats span { font-size: .93rem; color: var(--c-muted); font-weight: 500; }

/* ---------- 區塊共用 ---------- */
.section { padding: 96px 0; }
.section-tint { background: var(--c-primary-50); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.section-head-left { text-align: left; margin: 0 0 32px; }
.section-label {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--c-primary-400); font-weight: 700; letter-spacing: .22em; font-size: .82rem;
}
.section-label::before, .section-label::after { content: ""; width: 22px; height: 2px; background: currentColor; border-radius: 2px; }
.section-head-left .section-label::after { display: none; }
.section-head h2 { font-size: clamp(1.75rem, 3.4vw, 2.5rem); font-weight: 900; letter-spacing: .04em; margin: 8px 0 12px; }
.section-head p:not(.section-label) { color: var(--c-muted); font-size: 1.05rem; }

/* ---------- 服務項目 ---------- */
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.service-card {
  position: relative; display: flex; flex-direction: column;
  padding: 28px 24px 22px; border-radius: var(--radius); background: #fff; border: 1px solid var(--c-border);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-tag {
  position: absolute; top: 20px; right: 18px; font-size: .74rem; font-weight: 700;
  color: var(--c-primary); background: var(--c-primary-50); padding: 2px 10px; border-radius: 999px;
}
.service-icon {
  width: 60px; height: 60px; border-radius: 18px; display: grid; place-items: center;
  background: var(--grad-brand); color: #fff; font-size: 30px; margin-bottom: 18px;
  box-shadow: 0 10px 22px rgba(21, 84, 166, .25);
}
.service-card h3 { font-size: 1.22rem; font-weight: 700; margin-bottom: 8px; }
.service-card p { font-size: .95rem; color: var(--c-text); flex: 1; }
.service-card .service-price {
  flex: none; align-self: flex-start; margin-top: 14px; padding: 3px 14px; border-radius: 999px;
  background: #fff6d6; color: #8a5a00; font-size: .88rem; font-weight: 700;
}
.service-price strong { font-size: 1.15rem; color: #c2410c; }
.service-link { margin-top: 16px; font-weight: 700; color: var(--c-primary); font-size: .93rem; }
.service-link:hover { color: var(--c-primary-400); }

/* ---------- 我們的優勢 ---------- */
.why-inner { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: center; }
.why-visual { position: relative; border-radius: 28px; overflow: hidden; box-shadow: var(--shadow-lg); aspect-ratio: 4 / 5; }
.why-visual img { width: 100%; height: 100%; object-fit: cover; }
.why-visual-note {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 60px 28px 26px; color: #fff;
  background: linear-gradient(180deg, transparent, rgba(11, 42, 85, .88));
}
.why-visual-note strong { display: block; font-size: 1.5rem; font-weight: 900; letter-spacing: .06em; }
.why-visual-note span { font-size: 1.05rem; opacity: .9; }
.why-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.why-list li {
  display: flex; flex-direction: column; gap: 14px; padding: 24px; border-radius: var(--radius);
  background: #fff; box-shadow: var(--shadow);
}
.why-icon {
  width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center;
  background: var(--c-primary-100); color: var(--c-primary); font-size: 26px;
}
.why-list h3 { font-size: 1.1rem; margin-bottom: 6px; }
.why-list p { font-size: .94rem; }

/* ---------- 清潔實績 ---------- */
.case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.case-card { border-radius: var(--radius); background: #fff; border: 1px solid var(--c-border); overflow: hidden; box-shadow: var(--shadow); }
.case-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; background: var(--c-border); }
.case-img {
  position: relative; display: block; padding: 0; border: 0; cursor: zoom-in; overflow: hidden;
  aspect-ratio: 1 / 1; background: var(--c-primary-50);
}
.case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
/* 清潔實績：照片完整顯示，不裁切 */
.case-pair { align-items: start; }
.case-pair .case-img { aspect-ratio: auto; height: auto; }
.case-pair .case-img img { height: auto; }
.case-pair-stack { grid-template-columns: 1fr; }
.case-img:hover img { transform: scale(1.05); }
.case-tag {
  position: absolute; left: 12px; top: 12px; padding: 4px 12px; border-radius: 999px;
  font-size: .82rem; font-weight: 700; color: #fff;
}
.case-tag-before { background: rgba(70, 80, 95, .85); }
.case-tag-after { background: var(--c-primary); }
.case-body { padding: 22px 24px 26px; }
.case-cat { font-size: .8rem; font-weight: 700; color: var(--c-primary-400); letter-spacing: .08em; }
.case-body h3 { font-size: 1.18rem; margin: 4px 0 8px; }
.case-body p { font-size: .95rem; }
.js .case-card.is-extra { display: none; }
.js .case-grid.show-all .case-card.is-extra { display: block; }
.case-more { text-align: center; margin-top: 32px; }
.case-feature { margin-top: 32px; }
.case-card-wide { display: grid; grid-template-columns: minmax(0, 420px) 1fr; align-items: center; }
.case-card-wide .case-img { aspect-ratio: auto; height: auto; }
.case-card-wide .case-img img { height: auto; }
.case-card-wide .case-body { padding: 36px 44px; }
.case-card-wide .case-body h3 { font-size: 1.4rem; }
.case-card-wide .btn { margin-top: 20px; }

/* ---------- 服務流程 ---------- */
.section-dark {
  background:
    radial-gradient(circle at 85% 10%, rgba(62, 155, 218, .35), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(29, 104, 196, .4), transparent 40%),
    var(--c-navy);
  color: rgba(255, 255, 255, .82);
}
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark .section-head p:not(.section-label) { color: rgba(255, 255, 255, .7); }
.section-dark .section-label { color: var(--c-accent); }
.process-list {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: step;
}
.process-list li {
  position: relative; padding: 28px 22px; border-radius: var(--radius);
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12);
}
.process-list li:not(:last-child)::after {
  content: ""; position: absolute; top: 46px; right: -14px; width: 10px; height: 10px;
  border-top: 2px solid var(--c-accent); border-right: 2px solid var(--c-accent); transform: rotate(45deg);
}
.step-no {
  display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  background: var(--grad-brand); color: #fff; font-weight: 900; margin-bottom: 14px;
  box-shadow: 0 0 0 6px rgba(62, 155, 218, .18);
}
.process-list h3 { font-size: 1.12rem; margin-bottom: 6px; }
.process-list p { font-size: .93rem; }

/* ---------- 常見問題 ---------- */
.faq-list { display: grid; gap: 14px; }
.faq-list details {
  border-radius: var(--radius-sm); background: #fff; border: 1px solid var(--c-border);
  transition: box-shadow .2s, border-color .2s;
}
.faq-list details[open] { box-shadow: var(--shadow); border-color: transparent; }
.faq-list summary {
  list-style: none; cursor: pointer; padding: 18px 56px 18px 22px; position: relative;
  font-weight: 700; color: var(--c-ink); font-size: 1.04rem;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::before { content: "Q"; color: var(--c-primary-400); font-weight: 900; margin-right: 10px; }
.faq-list summary::after {
  content: ""; position: absolute; right: 24px; top: 50%; width: 10px; height: 10px; margin-top: -7px;
  border-right: 2px solid var(--c-primary); border-bottom: 2px solid var(--c-primary);
  transform: rotate(45deg); transition: transform .25s;
}
.faq-list details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq-list details p { padding: 0 22px 20px 46px; color: var(--c-text); }

/* ---------- 聯絡＆表單 ---------- */
.contact-grid { display: grid; grid-template-columns: 360px 1fr; gap: 28px; align-items: start; }
.contact-card {
  position: sticky; top: calc(var(--header-h) + 20px);
  padding: 32px 28px; border-radius: var(--radius); color: rgba(255, 255, 255, .85);
  background:
    radial-gradient(circle at 100% 0%, rgba(62, 155, 218, .45), transparent 50%),
    var(--c-navy);
  box-shadow: var(--shadow-lg);
}
.contact-logo { width: 56px; background: #fff; border-radius: 16px; padding: 8px; box-sizing: content-box; }
.contact-card h3 { color: #fff; font-size: 1.4rem; margin-top: 16px; letter-spacing: .1em; }
.contact-slogan { font-size: .95rem; opacity: .75; }
.contact-list { list-style: none; padding: 0; margin: 24px 0; display: grid; gap: 16px; }
.contact-list li { display: flex; gap: 12px; align-items: flex-start; }
.contact-list svg {
  width: 38px; height: 38px; padding: 9px; border-radius: 12px; background: rgba(255, 255, 255, .1); color: var(--c-accent);
}
.contact-list li:nth-child(2) svg { fill: var(--c-accent); stroke: none; }
.contact-list small { display: block; font-size: .78rem; opacity: .65; line-height: 1.4; }
.contact-list a, .contact-list span { color: #fff; font-weight: 500; word-break: break-all; }
.contact-list a:hover { color: var(--c-accent); }
.contact-qr { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.contact-qr img { width: 110px; height: 110px; border-radius: 12px; background: #fff; padding: 6px; }
.contact-qr span { font-size: .9rem; }

.form-card { padding: 36px 40px; border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.form-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 22px; }
.form-head h3 { font-size: 1.4rem; }
.form-head p { font-size: .88rem; color: var(--c-muted); }
.req { color: var(--c-danger); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 6px; margin: 0 0 18px; min-width: 0; }
fieldset.field { border: 0; padding: 0; }
.field label, .field legend { font-weight: 700; color: var(--c-ink); font-size: .95rem; padding: 0; }
.field small { font-weight: 400; color: var(--c-muted); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--c-ink);
  padding: 12px 14px; border-radius: 12px; border: 1.5px solid var(--c-border); background: #fbfdff;
  transition: border-color .2s, box-shadow .2s, background-color .2s;
}
.field textarea { resize: vertical; min-height: 110px; line-height: 1.6; }
.field select {
  appearance: none; -webkit-appearance: none; padding-right: 40px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231554a6' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; background-size: 16px;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--c-primary-400); background: #fff; box-shadow: 0 0 0 4px rgba(62, 155, 218, .15);
}
.field.is-invalid input, .field.is-invalid select, .field.is-invalid .chips { border-color: var(--c-danger); }
.field-error { color: var(--c-danger); font-size: .85rem; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; border-radius: 12px; border: 1.5px solid transparent; }
.chip { position: relative; cursor: pointer; }
.chip input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.chip span {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 999px;
  border: 1.5px solid var(--c-border); background: #fff; font-size: .95rem; font-weight: 500; color: var(--c-text);
  transition: all .2s;
}
.chip span::before {
  content: ""; width: 14px; height: 14px; border-radius: 4px; border: 1.5px solid #b9c7d8; transition: all .2s;
}
.chip:hover span { border-color: var(--c-primary-400); }
.chip input:checked + span { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.chip input:checked + span::before {
  border-color: #fff; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231554a6' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12.5 4.5 4.5L19 7.5'/%3E%3C/svg%3E") center / 11px no-repeat;
}
.chip input:focus-visible + span { outline: 3px solid var(--c-primary-400); outline-offset: 2px; }

.agree { display: flex; gap: 10px; align-items: flex-start; font-size: .92rem; cursor: pointer; margin: 4px 0 18px; }
.agree input { width: 18px; height: 18px; margin-top: 4px; accent-color: var(--c-primary); flex: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-status { min-height: 0; color: var(--c-danger); font-weight: 500; font-size: .95rem; }
.form-status:not(:empty) { margin-bottom: 14px; padding: 10px 14px; border-radius: 10px; background: #fdeeee; }

button[type="submit"] .spinner {
  display: none; width: 18px; height: 18px; border-radius: 50%;
  border: 2.5px solid rgba(255, 255, 255, .4); border-top-color: #fff; animation: spin .8s linear infinite;
}
button[type="submit"].is-loading .spinner { display: inline-block; }
button[type="submit"]:disabled { opacity: .8; cursor: wait; transform: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.form-success { text-align: center; padding: 40px 10px; }
.form-success:focus { outline: none; }
.success-icon {
  width: 72px; height: 72px; margin: 0 auto 18px; border-radius: 50%; display: grid; place-items: center;
  background: var(--grad-brand); color: #fff; font-size: 36px; box-shadow: 0 0 0 10px var(--c-primary-100);
}
.success-icon svg { stroke-width: 2.6; }
.form-success h3 { font-size: 1.5rem; margin-bottom: 10px; }
.form-success p { color: var(--c-text); margin-bottom: 8px; }
.success-demo { color: #a15c00 !important; background: #fff6e0; border-radius: 10px; padding: 8px 12px; display: inline-block; font-size: .92rem; }
.form-success .btn { margin-top: 14px; }

/* ---------- 頁尾 ---------- */
.site-footer { background: #081f40; color: rgba(255, 255, 255, .7); padding: 52px 0 0; font-size: .94rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; padding-bottom: 32px; }
.footer-brand { display: flex; gap: 14px; align-items: center; }
.footer-logo { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 16px; background: #fff; }
.footer-brand strong { color: #fff; font-size: 1.3rem; letter-spacing: .12em; }
.footer-info { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, auto); gap: 6px 36px; }
.footer-info a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .1); padding: 18px 0 22px; font-size: .84rem; }

/* ---------- 浮動按鈕 ---------- */
.fab-line {
  position: fixed; right: 24px; bottom: 24px; z-index: 40;
  width: 64px; height: 64px; border-radius: 50%; background: var(--c-line); color: #fff;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  box-shadow: 0 12px 28px rgba(6, 199, 85, .4); font-size: .7rem; font-weight: 900; letter-spacing: .04em;
  transition: transform .2s;
}
.fab-line:hover { transform: scale(1.08); }
.fab-line svg { font-size: 1.7rem; fill: currentColor; }
.mobile-bar { display: none; }

/* ---------- 圖片放大 ---------- */
.lightbox {
  border: 0; padding: 0; background: transparent; max-width: min(92vw, 900px); max-height: 92vh; overflow: visible;
}
.lightbox::backdrop { background: rgba(5, 18, 38, .86); }
.lightbox img { max-height: 82vh; width: auto; margin: 0 auto; border-radius: 14px; }
.lightbox-caption { text-align: center; color: #fff; margin-top: 12px; font-weight: 500; }
.lightbox-close {
  position: absolute; top: -18px; right: -18px; width: 44px; height: 44px; border-radius: 50%; border: 0;
  background: #fff; color: var(--c-ink); font-size: 1.6rem; line-height: 1; cursor: pointer; box-shadow: var(--shadow-lg);
}

/* ---------- 捲動淡入（有 JS 才啟用） ---------- */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ==========================================================
   響應式
   ========================================================== */
@media (max-width: 1080px) {
  .header-phone { display: none; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .process-list { grid-template-columns: repeat(3, 1fr); }
  .process-list li:nth-child(3)::after { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-card { position: static; }
}

@media (max-width: 900px) {
  :root { --header-h: 64px; }
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed; left: 0; right: 0; top: var(--header-h);
    flex-direction: column; align-items: stretch; gap: 4px; padding: 14px 20px 22px;
    background: #fff; border-bottom: 1px solid var(--c-border); box-shadow: 0 20px 30px rgba(14, 48, 98, .1);
    transform: translateY(-12px); opacity: 0; visibility: hidden; transition: all .25s ease;
  }
  .site-nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .site-nav a { padding: 12px 14px; font-size: 1.05rem; }
  .site-nav .nav-cta { margin: 8px 0 0; text-align: center; }

  .hero { padding: 40px 0 64px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { width: min(100% - 40px, 400px); }
  .why-inner { grid-template-columns: 1fr; gap: 40px; }
  .why-visual { aspect-ratio: 16 / 10; }
  .case-grid { grid-template-columns: 1fr; }
  .case-card-wide { grid-template-columns: 1fr; }
  .case-card-wide .case-body { padding: 22px 24px 26px; }
  .section { padding: 72px 0; }
}

@media (max-width: 640px) {
  body { padding-bottom: 68px; font-size: 15.5px; }
  .container { width: min(100% - 32px, var(--container)); }
  .brand-text small { display: none; }
  .hero-actions .btn { flex: 1 1 100%; }
  .hero-card { left: -14px; bottom: 20px; padding: 8px 14px 8px 8px; }
  .hero-card img { width: 52px; height: 52px; }
  .hero-badge { right: -10px; top: 24px; padding: 8px 14px; font-size: .9rem; }
  .service-grid { grid-template-columns: 1fr; gap: 14px; }
  .service-card { padding: 22px 20px 18px; display: grid; grid-template-columns: 56px 1fr; column-gap: 16px; }
  .service-icon { width: 56px; height: 56px; font-size: 28px; margin: 0; grid-row: 1 / span 4; }
  .service-card > :not(.service-icon):not(.service-tag) { grid-column: 2; }
  .service-card .service-price { margin-top: 10px; justify-self: start; }
  .stats { grid-template-columns: repeat(2, 1fr); row-gap: 16px; margin-top: 44px; padding: 18px 8px; }
  .stats li:nth-child(3) { border-left: 0; }
  .service-card h3 { margin-top: 2px; }
  .service-link { margin-top: 10px; }
  .service-tag { top: 18px; right: 16px; }
  .why-list { grid-template-columns: 1fr; }
  .why-list li { flex-direction: row; padding: 20px; }
  .process-list { grid-template-columns: 1fr; gap: 12px; }
  .process-list li { display: grid; grid-template-columns: 44px 1fr; column-gap: 16px; padding: 20px; }
  .process-list .step-no { grid-row: span 2; margin: 0; }
  .process-list li::after { display: none; }
  .form-card { padding: 26px 20px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-card { padding: 26px 22px; }
  .footer-info { grid-template-columns: 1fr; }
  .section-head { margin-bottom: 36px; }

  .fab-line { display: none; }
  .mobile-bar {
    display: grid; grid-template-columns: 1fr 1fr 1.2fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    background: #fff; border-top: 1px solid var(--c-border); box-shadow: 0 -6px 20px rgba(14, 48, 98, .08);
    padding-bottom: env(safe-area-inset-bottom);
  }
  .mobile-bar a {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
    height: 64px; font-size: .78rem; font-weight: 700; color: var(--c-primary);
  }
  .mobile-bar svg { font-size: 1.45rem; }
  .mobile-bar-line { color: var(--c-line) !important; }
  .mobile-bar-line svg { fill: currentColor; stroke: none; }
  .mobile-bar-cta { background: var(--grad-brand); color: #fff !important; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}