:root {
  --primary: #0891B2;
  --primary-dark: #164E63;
  --accent: #F59E0B;
  --page: #F5FBFC;
  --text: #1F2937;
  --muted: #52616B;
  --surface: #FFFFFF;
  --border: #D9E7EA;
  --radius: 18px;
  --shadow: 0 16px 42px rgba(22, 78, 99, .09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body { margin: 0; color: var(--text); background: var(--surface); font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif; line-height: 1.7; overflow-x: clip; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--primary-dark); line-height: 1.3; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header { position: relative; z-index: 10; background: var(--surface); border-bottom: 1px solid var(--border); }
.header-row { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand-lockup { min-height: 50px; display: inline-flex; align-items: center; gap: 12px; font-size: 21px; font-weight: 800; color: var(--primary-dark); }
.brand-lockup img { width: 48px; height: 48px; object-fit: contain; }
.brand-actions { margin-left: auto; display: flex; align-items: center; justify-content: flex-end; gap: 10px; }
.text-action { min-height: 44px; display: inline-flex; align-items: center; padding: 0 14px; color: var(--primary-dark); font-weight: 700; }
.primary-action, .outline-action { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 0 24px; border-radius: 10px; font-weight: 750; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.primary-action { color: #fff; background: var(--primary); box-shadow: 0 8px 20px rgba(8, 145, 178, .2); }
.primary-action:hover, .outline-action:hover { transform: translateY(-2px); }
.primary-action--small { min-height: 44px; padding-inline: 19px; }
.outline-action { border: 1px solid var(--primary); color: var(--primary-dark); background: #fff; }
.site-nav { background: var(--page); border-top: 1px solid #e9f2f4; }
.nav-links { min-height: 48px; display: flex; align-items: center; justify-content: center; gap: clamp(18px, 4vw, 56px); }
.nav-links a { min-height: 44px; display: inline-flex; align-items: center; font-size: 15px; font-weight: 650; color: #38525c; }
.nav-links a:hover { color: var(--primary); }

.hero { position: relative; overflow: hidden; background: linear-gradient(135deg, #effbfd 0%, #f7fcfd 60%, #fff8eb 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); }
.hero::before { width: 360px; height: 360px; right: -130px; top: -170px; background: rgba(8,145,178,.09); }
.hero::after { width: 240px; height: 240px; left: -100px; bottom: -120px; background: rgba(245,158,11,.08); }
.hero-grid { min-height: 500px; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 70px; padding-block: 70px; }
.hero-copy { position: relative; z-index: 1; }
.eyebrow { margin-bottom: 9px; color: var(--primary); font-size: 12px; font-weight: 850; letter-spacing: .14em; }
.hero h1 { max-width: 680px; margin-bottom: 22px; font-size: clamp(36px, 4.4vw, 58px); letter-spacing: -.04em; }
.hero-lead { max-width: 650px; margin-bottom: 29px; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.hero-actions span { color: #667780; font-size: 14px; }
.hero-visual { position: relative; height: 330px; }
.parcel-card { position: absolute; display: flex; flex-direction: column; justify-content: center; border: 1px solid rgba(8,145,178,.25); border-radius: 26px; box-shadow: var(--shadow); }
.parcel-card--back { width: 72%; height: 68%; right: 1%; top: 0; padding: 32px; color: var(--primary-dark); background: rgba(255,255,255,.7); transform: rotate(7deg); }
.parcel-card--front { width: 78%; height: 73%; left: 5%; bottom: 8px; align-items: center; gap: 8px; color: #fff; background: var(--primary-dark); transform: rotate(-4deg); }
.parcel-icon { width: 76px; height: 76px; display: grid; place-items: center; margin-bottom: 7px; border-radius: 22px; color: var(--primary-dark); background: var(--accent); font-size: 31px; font-weight: 900; }
.parcel-card strong { font-size: 25px; }
.parcel-card small { color: #c8edf4; }
.route-line { position: absolute; right: 3%; bottom: -3px; display: flex; gap: 9px; transform: rotate(-5deg); }
.route-line i { width: 13px; height: 13px; display: block; border-radius: 50%; background: var(--accent); }

.section { padding-block: 84px; }
.section--products, .section--tint { background: var(--page); }
.section-heading { margin-bottom: 36px; display: flex; align-items: end; justify-content: space-between; gap: 32px; }
.section-heading h2, .section-intro h2 { margin-bottom: 0; font-size: clamp(29px, 3vw, 40px); }
.section-heading > p { max-width: 460px; margin-bottom: 2px; color: var(--muted); text-align: right; }
.section-heading--center { flex-direction: column; align-items: center; text-align: center; }
.section-heading--center > p { text-align: center; }
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(176px, 1fr)); gap: 18px; }
.product-card { min-width: 0; overflow: hidden; border: 1px solid var(--border); border-radius: 15px; background: var(--surface); box-shadow: 0 7px 22px rgba(22,78,99,.05); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.product-card:hover { transform: translateY(-4px); border-color: #9dcdd7; box-shadow: 0 13px 28px rgba(22,78,99,.1); }
.product-media { position: relative; display: block; aspect-ratio: 3 / 4; overflow: hidden; background: #fff; border-bottom: 1px solid #edf2f3; }
.product-media img { position: absolute; inset: 0 auto auto 0; width: 800%; max-width: none; height: auto; transform: translate(var(--crop-x), var(--crop-y)); transform-origin: top left; }
.product--aroma { --crop-x: 0%; --crop-y: 0%; }
.product--comb { --crop-x: 0%; --crop-y: -50%; }
.product--toilet-cleaner { --crop-x: -26%; --crop-y: 0%; }
.product--warming-patch { --crop-x: -26%; --crop-y: -50%; }
.product--phone-case { --crop-x: -87.5%; --crop-y: 0%; }
.product--industrial-detergent { --crop-x: -87.5%; --crop-y: -50%; }
.product--detergent { --crop-x: -13%; --crop-y: 0%; }
.product--pen { --crop-x: -74%; --crop-y: -50%; }
.product--cotton-swabs { --crop-x: -61.5%; --crop-y: 0%; }
.product--tissue { --crop-x: -13%; --crop-y: -50%; }
.product--soap { --crop-x: -74%; --crop-y: 0%; }
.product-name { display: block; padding: 15px 14px 2px; overflow: hidden; color: var(--primary-dark); font-size: 15px; font-weight: 750; white-space: nowrap; text-overflow: ellipsis; }
.product-price { min-height: 45px; display: flex; align-items: baseline; justify-content: space-between; gap: 8px; padding: 2px 14px 13px; color: #68777d; font-size: 12px; }
.product-price strong { color: #d97706; font-size: 19px; }
.more-gifts-card { min-height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 9px; overflow: hidden; padding: 28px 18px; border: 1px solid #b8dce4; border-radius: 15px; color: #fff; text-align: center; background: linear-gradient(145deg, var(--primary-dark), var(--primary)); box-shadow: 0 7px 22px rgba(22,78,99,.1); transition: transform .2s ease, box-shadow .2s ease; }
.more-gifts-card:hover { transform: translateY(-4px); box-shadow: 0 13px 28px rgba(22,78,99,.18); }
.more-gifts-card strong { color: #fff; font-size: 20px; }
.more-gifts-card > span:last-child { color: #d8f4f8; font-size: 13px; }
.more-gifts-icon { position: relative; width: 72px; height: 58px; margin-bottom: 7px; display: block; border-radius: 10px; background: var(--accent); }
.more-gifts-icon::before { content: ""; position: absolute; left: 31px; top: 0; width: 10px; height: 58px; background: #fff3d6; }
.more-gifts-icon::after { content: ""; position: absolute; left: -5px; top: 16px; width: 82px; height: 10px; background: #fff3d6; }
.more-gifts-icon i::before, .more-gifts-icon i::after { content: ""; position: absolute; top: -20px; width: 27px; height: 24px; border: 7px solid var(--accent); background: transparent; }
.more-gifts-icon i::before { left: 9px; border-radius: 20px 20px 4px 20px; transform: rotate(17deg); }
.more-gifts-icon i::after { right: 9px; border-radius: 20px 20px 20px 4px; transform: rotate(-17deg); }
.product-disclaimer { margin: 24px 0 0; padding: 15px 18px; border: 1px solid #f2d49d; border-radius: 10px; color: #72511c; background: #fffaf0; font-size: 13px; }

.scenario-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.scenario-grid article, .feature-grid article { padding: 25px 22px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; }
.scenario-grid span { color: var(--primary); font-size: 12px; font-weight: 900; letter-spacing: .12em; }
.scenario-grid h3, .feature-grid h3 { margin: 13px 0 9px; font-size: 19px; }
.scenario-grid p, .feature-grid p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.split-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 78px; align-items: start; }
.section-intro { position: sticky; top: 30px; }
.section-intro > p:not(.eyebrow) { margin: 19px 0 25px; color: var(--muted); }
.service-list { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.service-list article { display: flex; gap: 17px; padding: 24px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; }
.service-list b { flex: 0 0 45px; height: 45px; display: grid; place-items: center; border-radius: 13px; color: #fff; background: var(--primary); }
.service-list h3 { margin-bottom: 7px; font-size: 18px; }
.service-list p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-grid i { width: 50px; height: 50px; display: grid; place-items: center; border-radius: 15px; color: var(--primary-dark); background: #dff5f9; font-style: normal; font-weight: 900; }
.section--dark { color: #d9edf1; background: var(--primary-dark); }
.section--dark h2, .section--dark h3 { color: #fff; }
.section--dark .section-heading > p { color: #bfd6dc; }
.section--dark .eyebrow { color: #67d4e6; }
.process-list { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 13px; list-style: none; counter-reset: item; }
.process-list li { position: relative; padding: 23px 19px; border: 1px solid rgba(255,255,255,.14); border-radius: 15px; background: rgba(255,255,255,.06); }
.process-list li:not(:last-child)::after { content: "›"; position: absolute; right: -11px; top: 44%; z-index: 1; color: var(--accent); font-size: 25px; }
.process-list span { color: var(--accent); font-size: 12px; font-weight: 900; }
.process-list h3 { margin: 10px 0 8px; font-size: 17px; }
.process-list p { margin-bottom: 0; color: #bcd3d8; font-size: 13px; }
.process-action { margin-top: 28px; background: var(--accent); color: #4a3108; box-shadow: none; }
.split-layout--notes { grid-template-columns: .8fr 1.2fr; }
.check-list { margin: 0; padding: 0; display: grid; gap: 12px; list-style: none; }
.check-list li { position: relative; padding: 18px 21px 18px 59px; border: 1px solid var(--border); border-radius: 14px; background: #fff; }
.check-list li::before { content: "✓"; position: absolute; left: 20px; top: 19px; width: 25px; height: 25px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--primary); font-weight: 900; }
.check-list strong, .check-list span { display: block; }
.check-list strong { color: var(--primary-dark); }
.check-list span { margin-top: 3px; color: var(--muted); font-size: 14px; }
.faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 78px; }
.faq-list { display: grid; gap: 13px; }
.faq-list article { padding: 23px 25px; border: 1px solid var(--border); border-radius: 14px; background: #fff; }
.faq-list h3 { margin-bottom: 8px; font-size: 17px; }
.faq-list p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.section--notice { padding-block: 60px; background: #fff; }
.notice-card { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 38px 42px; border-radius: 22px; background: #e8f8fb; }
.notice-card h2 { margin-bottom: 12px; font-size: 28px; }
.notice-card p:not(.eyebrow) { max-width: 760px; margin-bottom: 0; color: var(--muted); }
.notice-card .primary-action { flex: 0 0 auto; }
.site-footer { padding-block: 34px; color: #bcd2d8; background: #103e4d; }
.footer-row { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 30px; }
.footer-row strong { color: #fff; }
.footer-row p { margin-bottom: 0; font-size: 13px; }
.footer-row a { min-height: 44px; display: inline-flex; align-items: center; color: #fff; font-weight: 700; }

@media (max-width: 980px) {
  .hero-grid { gap: 35px; }
  .scenario-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .split-layout, .faq-layout { gap: 38px; }
  .process-list { grid-template-columns: repeat(3, 1fr); }
  .process-list li::after { display: none; }
  .footer-row { grid-template-columns: 1fr auto; }
  .footer-row > p { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .container { width: min(100% - 28px, 620px); }
  .header-row { min-height: 68px; gap: 8px; flex-wrap: wrap; padding-block: 8px; }
  .brand-lockup { gap: 8px; font-size: 16px; }
  .brand-lockup img { width: 42px; height: 42px; }
  .brand-actions { gap: 2px; }
  .text-action { padding-inline: 8px; }
  .primary-action--small { padding-inline: 13px; }
  .nav-links { justify-content: flex-start; gap: 0; overflow: hidden; }
  .nav-links a { flex: 1 0 auto; justify-content: center; padding-inline: 12px; font-size: 13px; }
  .nav-links a:nth-child(n+4) { display: none; }
  .hero-grid { min-height: auto; grid-template-columns: 1fr; gap: 34px; padding-block: 54px; }
  .hero h1 { font-size: 38px; }
  .hero-lead { font-size: 16px; }
  .hero-visual { height: 265px; }
  .parcel-card--back { right: 5%; }
  .parcel-card--front { left: 7%; }
  .section { padding-block: 62px; }
  .section-heading { margin-bottom: 27px; flex-direction: column; align-items: flex-start; gap: 11px; }
  .section-heading > p { text-align: left; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
  .product-name { padding-inline: 10px; font-size: 13px; }
  .product-price { padding-inline: 10px; flex-direction: column; gap: 0; }
  .product-price strong { font-size: 17px; }
  .scenario-grid { grid-template-columns: 1fr 1fr; }
  .scenario-grid article, .feature-grid article { padding: 21px 18px; }
  .split-layout, .split-layout--notes, .faq-layout { grid-template-columns: 1fr; gap: 30px; }
  .section-intro { position: static; }
  .service-list { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .process-list { grid-template-columns: 1fr 1fr; }
  .notice-card { align-items: flex-start; flex-direction: column; padding: 29px 24px; }
  .footer-row { grid-template-columns: 1fr; gap: 13px; }
  .footer-row > p { grid-column: auto; }
}

@media (max-width: 390px) {
  .brand-lockup span { max-width: 98px; line-height: 1.25; }
  .hero h1 { font-size: 34px; }
  .scenario-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}