/* SOLCLEAN 水可靈 — 視覺改版（品牌藍取自 logo #1769a3；深藍標題、 aqua 淺底、綠標點綴） */
:root {
  --blue: #1769a3;
  --blue-dark: #0f4d78;
  --navy: #0d3554;
  --aqua: #edf6fb;
  --aqua-2: #e3f0f8;
  --green: #7c9a2d;
  --green-bg: #eef4de;
  --ink: #22303a;
  --muted: #5d7183;
  --line: #d7e6ef;
  --warn-bg: #fff4d6;
  --shadow-sm: 0 2px 10px rgba(13, 53, 84, .06);
  --shadow-md: 0 10px 30px rgba(13, 53, 84, .12);
  --radius: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif; color: var(--ink); background: #fff; line-height: 1.65; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
h1, h2, h3, h4 { color: var(--navy); line-height: 1.3; }
main { max-width: 1200px; margin: 0 auto; padding: 0 1.2rem 3.5rem; }
.page { padding-top: 1.6rem; }
.muted, .spec { color: var(--muted); }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: #fff; box-shadow: 0 1px 0 var(--line), 0 4px 18px rgba(13, 53, 84, .05); }
.header-inner { max-width: 1200px; margin: 0 auto; padding: .55rem 1.2rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.logo { display: inline-flex; align-items: center; }
.logo img { height: 46px; width: auto; display: block; }
.main-nav { display: flex; align-items: center; gap: 1.3rem; flex-wrap: wrap; }
.main-nav a { color: var(--ink); font-weight: 600; font-size: .98rem; }
.main-nav a:hover { color: var(--blue); text-decoration: none; }
.main-nav a.cart-link { display: inline-flex; align-items: center; gap: .45rem; color: var(--blue); border: 1.5px solid var(--blue); border-radius: 999px; padding: .32rem .85rem; }
.main-nav a.cart-link:hover { background: var(--aqua); }
.cart-badge { background: var(--blue); color: #fff; border-radius: 999px; min-width: 1.5em; text-align: center; padding: .02em .38em; font-size: .8em; font-weight: 700; }

/* ---------- Buttons / chips / tags ---------- */
.btn { display: inline-block; border: 1.5px solid var(--blue); color: var(--blue); background: #fff; border-radius: 999px; padding: .55rem 1.25rem; cursor: pointer; font-size: 1rem; font-weight: 700; transition: background .15s, transform .15s; }
.btn:hover { text-decoration: none; background: var(--aqua); }
.btn.primary { background: var(--blue); color: #fff; }
.btn.primary:hover { background: var(--blue-dark); }
.btn.light { background: #fff; color: var(--blue); border-color: #fff; }
.btn.light:hover { background: var(--aqua); }
.btn.small { padding: .3rem .8rem; font-size: .9rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.cat-chips { display: flex; gap: .5rem; flex-wrap: wrap; margin: 1rem 0 1.4rem; }
.chip { border: 1.5px solid var(--line); border-radius: 999px; padding: .35rem 1rem; background: #fff; cursor: pointer; font-size: .95rem; font-weight: 600; color: var(--ink); }
.chip:hover { border-color: var(--blue); color: var(--blue); }
.chip.active { background: var(--blue); border-color: var(--blue); color: #fff; }
.tag-cat { background: var(--aqua-2); color: var(--blue-dark); border-radius: 999px; padding: .08rem .6rem; font-size: .78rem; font-weight: 700; }
.tag-green { background: var(--green-bg); color: var(--green); border-radius: 999px; padding: .08rem .6rem; font-size: .78rem; font-weight: 700; }

/* ---------- Sections ---------- */
.section { padding: 2.4rem 0 .6rem; }
.section-head { margin-bottom: 1.4rem; }
.section-head .eyebrow { color: var(--blue); font-weight: 800; font-size: .85rem; letter-spacing: .12em; text-transform: uppercase; }
.section-head h2 { margin: .25rem 0 .3rem; font-size: 1.65rem; }
.section-head p { margin: 0; color: var(--muted); }

/* ---------- Hero ---------- */
.hero { background: linear-gradient(130deg, var(--aqua) 0%, #f7fbfe 55%, #fff 100%); border: 1px solid var(--aqua-2); border-radius: 22px; padding: 2.6rem; margin-top: 1.4rem; overflow: visible; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 2.4rem; align-items: center; }
.hero-eyebrow { color: var(--blue); font-weight: 800; letter-spacing: .1em; font-size: .9rem; }
.hero h1 { margin: .4rem 0 .7rem; font-size: 2.35rem; }
.hero-sub { color: var(--muted); font-size: 1.08rem; margin: 0 0 1.4rem; }
.hero-ctas { display: flex; gap: .8rem; flex-wrap: wrap; }
.hero-ctas .btn { padding: .7rem 1.6rem; }
.hero-visual { position: relative; }
.hero-main-img { width: 100%; height: 400px; object-fit: cover; border-radius: 18px; box-shadow: var(--shadow-md); display: block; }
.hero-card-img { position: absolute; left: -1.4rem; bottom: -1.6rem; width: 47%; height: 168px; object-fit: contain; background: #fff; border-radius: 14px; border: 5px solid #fff; box-shadow: var(--shadow-md); padding: .4rem; }

/* ---------- Feature strip ---------- */
.feature-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin: 2.6rem 0 .4rem; }
.feature-item { background: var(--aqua); border-radius: var(--radius); padding: 1.15rem; display: flex; gap: .85rem; align-items: flex-start; }
.feature-icon { flex: none; width: 44px; height: 44px; border-radius: 50%; background: #fff; color: var(--blue); display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-sm); }
.feature-item strong { display: block; color: var(--navy); font-size: 1rem; }
.feature-item span { color: var(--muted); font-size: .9rem; }

/* ---------- Product cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(245px, 1fr)); gap: 1.2rem; }
.card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; transition: transform .18s, box-shadow .18s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-media { display: block; background: #fff; border-bottom: 1px solid var(--aqua-2); }
.card-media img { width: 100%; height: 205px; object-fit: contain; padding: .7rem; display: block; }
.card-media img.fit-cover { object-fit: cover; padding: 0; }
.card-body { padding: .9rem 1.15rem 1.25rem; display: flex; flex-direction: column; gap: .35rem; flex: 1; }
.card-tags { display: flex; gap: .4rem; flex-wrap: wrap; min-height: 1.3em; }
.card h3 { margin: .15rem 0; font-size: 1.05rem; }
.card h3 a { color: var(--navy); }
.card .spec { margin: 0; font-size: .9rem; }
.card .btn { margin-top: auto; text-align: center; }
.price { font-size: 1.3rem; font-weight: 800; color: var(--blue-dark); margin: .15rem 0; }

/* ---------- Scene tiles ---------- */
.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.scene-tile { position: relative; display: block; height: 235px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.scene-tile img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .3s; }
.scene-tile:hover img { transform: scale(1.05); }
.scene-tile:hover { text-decoration: none; }
.scene-label { position: absolute; left: 0; right: 0; bottom: 0; padding: 2.2rem 1.1rem .95rem; background: linear-gradient(transparent, rgba(13, 53, 84, .78)); color: #fff; }
.scene-label strong { display: block; font-size: 1.12rem; color: #fff; }
.scene-label span { font-size: .88rem; color: #cfe4f2; }

/* ---------- Comparison ---------- */
.compare-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.2rem; }
.compare-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.3rem; background: #fff; box-shadow: var(--shadow-sm); }
.compare-card h3 { margin-top: 0; }
.vs-list { list-style: none; margin: 0; padding: 0; }
.vs-list li { padding: .28rem 0; display: flex; gap: .55rem; align-items: flex-start; }
.mark { flex: none; width: 1.35em; height: 1.35em; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: .8em; font-weight: 800; margin-top: .2em; }
.mark.yes { background: var(--aqua-2); color: var(--blue); }
.mark.no { background: #fbe9e4; color: #c0452a; }
.compare-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.line-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; box-shadow: var(--shadow-sm); }
.line-card.blue { border-top: 5px solid var(--blue); }
.line-card.green { border-top: 5px solid var(--green); }
.line-card img { width: 100%; height: 225px; object-fit: contain; background: #fff; padding: 1rem; display: block; border-bottom: 1px solid var(--aqua-2); }
.line-body { padding: 1.2rem 1.4rem 1.4rem; }
.line-body h3 { margin: 0 0 .2rem; font-size: 1.3rem; }
.spec-rows { margin-top: .8rem; }
.spec-rows > div { display: flex; justify-content: space-between; gap: 1rem; padding: .5rem 0; border-bottom: 1px dashed var(--line); }
.spec-rows dt { color: var(--muted); flex: none; }
.spec-rows dd { margin: 0; font-weight: 600; text-align: right; }

/* ---------- Testimonials ---------- */
.testimonials { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.2rem; }
.quote-card { background: var(--aqua); border-radius: var(--radius); padding: 1.5rem 1.6rem 1.2rem; position: relative; }
.quote-card::before { content: "\201C"; position: absolute; top: .1rem; left: 1.1rem; font-size: 3.4rem; line-height: 1; color: var(--blue); opacity: .35; font-family: Georgia, serif; }
.quote-card blockquote { margin: 1.4rem 0 0; padding: 0; font-size: 1.02rem; color: var(--ink); }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, var(--blue) 0%, var(--navy) 100%); border-radius: 22px; padding: 2.3rem 2.4rem; margin: 2.6rem 0 .6rem; display: flex; align-items: center; justify-content: space-between; gap: 1.6rem; flex-wrap: wrap; color: #dceef9; }
.cta-band h2 { color: #fff; margin: 0 0 .4rem; font-size: 1.7rem; }
.cta-band p { margin: 0; }
.cta-band .price { color: #fff; font-size: 1.9rem; margin: .3rem 0 .6rem; }
.cta-band .fine { font-size: .88rem; color: #a9cbe2; }

/* ---------- Product detail ---------- */
.breadcrumb { color: var(--muted); font-size: .92rem; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.2rem; align-items: start; }
.detail-media { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 1.1rem; box-shadow: var(--shadow-sm); }
.detail-media img { width: 100%; height: 430px; object-fit: contain; display: block; }
.detail-media img.fit-cover { object-fit: cover; border-radius: 12px; }
.detail-info h1 { margin: .2rem 0 .4rem; font-size: 1.8rem; }
.detail-info .price { font-size: 1.7rem; }
.info-block { background: var(--aqua); border-radius: 12px; padding: 1rem 1.2rem; margin-top: 1.1rem; }
.info-block h3 { margin: 0 0 .35rem; font-size: 1.02rem; }
.info-block p { margin: 0; }
.buy-row { display: flex; gap: .7rem; align-items: center; flex-wrap: wrap; margin-top: 1.3rem; }
.buy-row label { display: inline-flex; align-items: center; gap: .5rem; font-weight: 600; }

/* ---------- Forms / checkout / lookup ---------- */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow-sm); }
.form-card h3 { border-bottom: 2px solid var(--aqua-2); padding-bottom: .45rem; margin: 1.3rem 0 1rem; }
.form-card h3:first-of-type { margin-top: 0; }
form .field { margin-bottom: .95rem; }
label { display: block; font-weight: 600; margin-bottom: .25rem; }
input, select, textarea { width: 100%; max-width: 520px; padding: .6rem .75rem; border: 1px solid var(--line); border-radius: 10px; font-size: 1rem; font-family: inherit; background: #fff; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px var(--aqua-2); }
input[type="number"] { max-width: 110px; }
input[type="radio"], input[type="checkbox"] { width: auto; margin-right: .35rem; }
label:has(input[type="radio"]), label:has(input[type="checkbox"]) { font-weight: 500; }
.summary-card { background: var(--aqua); border: 1px solid var(--aqua-2); border-radius: var(--radius); padding: 1.15rem 1.3rem; }
.summary-line { display: flex; align-items: center; gap: .75rem; padding: .4rem 0; }
.summary-line .s-name { flex: 1; }
.summary-total { border-top: 1px solid var(--aqua-2); margin-top: .6rem; padding-top: .7rem; }
.mini-thumb { width: 46px; height: 46px; object-fit: contain; background: #fff; border: 1px solid var(--line); border-radius: 9px; flex: none; }
.mini-thumb.fit-cover, .cart-thumb.fit-cover { object-fit: cover; padding: 0; }
.notice { background: var(--aqua); border: 1px solid var(--aqua-2); border-radius: var(--radius); padding: 1.1rem 1.3rem; }
.demo-banner { background: var(--warn-bg); border: 1px solid #e5c558; border-radius: 12px; padding: .8rem 1.1rem; font-weight: 700; margin-bottom: 1rem; }
.result-hero { text-align: center; padding: 1.6rem 0 .4rem; color: var(--blue); }
.result-hero h1 { margin: .6rem 0 0; }

/* ---------- Cart ---------- */
.cart-thumb { width: 66px; height: 66px; object-fit: contain; background: #fff; border: 1px solid var(--line); border-radius: 10px; display: block; }
.qty-btn { width: 2rem; height: 2rem; border: 1px solid var(--line); background: #fff; border-radius: 8px; cursor: pointer; font-size: 1rem; color: var(--blue); font-weight: 700; }
.qty-btn:hover { background: var(--aqua); }
button[data-del] { border: none; background: none; color: #c0452a; cursor: pointer; font-size: .95rem; }

/* ---------- Tables ---------- */
table { border-collapse: collapse; width: 100%; }
th, td { border-bottom: 1px solid var(--line); padding: .65rem .55rem; text-align: left; vertical-align: middle; }
th { color: var(--navy); background: var(--aqua); font-size: .93rem; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.table-wrap table th:first-child { border-top-left-radius: var(--radius); }
.admin-table th { background: var(--aqua); }
.admin-table input, .admin-table select { max-width: 180px; margin-bottom: .3rem; }
.admin-table button { border: 1.5px solid var(--blue); color: var(--blue); background: #fff; border-radius: 999px; padding: .3rem .8rem; cursor: pointer; font-weight: 700; font-size: .9rem; }
.admin-table button:hover { background: var(--aqua); }

/* ---------- Content pages ---------- */
.article { max-width: 840px; }
.article h1 { margin-bottom: 1rem; }
.article h3 { margin-top: 1.6rem; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.4rem; margin-bottom: 1rem; background: #fff; box-shadow: var(--shadow-sm); }
.faq-item h3 { margin: 0 0 .5rem; display: flex; gap: .6rem; align-items: baseline; }
.faq-item p { margin: 0; color: var(--ink); }
.q-badge { flex: none; background: var(--blue); color: #fff; border-radius: 8px; padding: .02rem .5rem; font-size: .85rem; font-weight: 800; }
.scene-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.2rem; }
.scene-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; box-shadow: var(--shadow-sm); }
.scene-card img { width: 100%; height: 210px; object-fit: cover; display: block; }
.scene-card .scene-body { padding: 1.1rem 1.3rem 1.3rem; }
.scene-card h3 { margin: 0 0 .4rem; }
.scene-card p { margin: 0; }

/* ---------- Footer ---------- */
.site-footer { background: linear-gradient(160deg, var(--blue-dark), var(--navy)); color: #cfe2ef; margin-top: 3rem; }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 2.6rem 1.2rem 1.8rem; display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 2rem; }
.footer-col h4 { color: #fff; margin: 0 0 .7rem; font-size: 1rem; }
.footer-col p { margin: 0; font-size: .94rem; line-height: 1.8; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { padding: .18rem 0; }
.footer-col a { color: #cfe2ef; }
.footer-col a:hover { color: #fff; }
.footer-logo { height: 48px; width: auto; background: #fff; border-radius: 10px; padding: .35rem .6rem; margin-bottom: .8rem; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .16); text-align: center; padding: 1rem; font-size: .86rem; color: #9dbfd6; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .feature-strip { grid-template-columns: repeat(2, 1fr); }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid, .detail-grid, .compare-wrap { grid-template-columns: 1fr; }
  .hero-main-img { height: 300px; }
  .detail-media img { height: 320px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .hero { padding: 1.6rem 1.2rem; }
  .hero h1 { font-size: 1.75rem; }
  .hero-main-img { height: 240px; }
  .hero-card-img { left: -.4rem; bottom: -1.2rem; width: 54%; height: 128px; }
  .feature-strip { grid-template-columns: 1fr; margin-top: 2rem; }
  .scene-grid { grid-template-columns: 1fr; }
  .scene-tile { height: 200px; }
  .header-inner { padding: .5rem .9rem; }
  .main-nav { gap: .9rem; overflow-x: auto; flex-wrap: nowrap; white-space: nowrap; max-width: 100%; padding-bottom: .2rem; }
  .cta-band { padding: 1.7rem 1.3rem; }
  .form-card { padding: 1.1rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 1.4rem; }
}