:root {
  --paper: #f7f5ef;
  --white: #ffffff;
  --ink: #17211e;
  --muted: #66716a;
  --line: rgba(23, 33, 30, 0.13);
  --sage: #748c73;
  --deep-sage: #29443a;
  --clay: #b45d43;
  --steel: #46606a;
  --mist: #eef2ea;
  --shadow: 0 20px 56px rgba(19, 31, 27, 0.14);
  font-family:
    "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding-bottom: 78px;
  color: var(--ink);
  background: var(--paper);
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  color: var(--white);
  transition:
    background 0.25s ease,
    box-shadow 0.25s ease,
    color 0.25s ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  color: var(--ink);
  background: rgba(247, 245, 239, 0.94);
  box-shadow: 0 10px 28px rgba(23, 33, 30, 0.1);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--white);
  background: var(--deep-sage);
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 8px;
  font-weight: 900;
}

.brand strong,
.brand small {
  display: block;
  white-space: nowrap;
}

.brand strong {
  max-width: min(58vw, 230px);
  overflow: hidden;
  font-size: 14px;
  text-overflow: ellipsis;
}

.brand small {
  margin-top: 1px;
  font-size: 10px;
  opacity: 0.68;
  text-transform: uppercase;
}

.nav-toggle {
  display: grid;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.56);
  border-radius: 8px;
  color: currentColor;
  background: rgba(255, 255, 255, 0.08);
}

.site-header.is-scrolled .nav-toggle,
.site-header.is-open .nav-toggle {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.62);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 3px auto;
  background: currentColor;
}

.site-nav {
  position: absolute;
  top: 64px;
  right: 16px;
  left: 16px;
  display: grid;
  gap: 2px;
  padding: 10px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.site-nav.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.site-nav a {
  min-height: 44px;
  padding: 12px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 800;
}

.site-nav a:active {
  background: var(--mist);
}

.hero {
  position: relative;
  min-height: 82svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  background:
    image-set(url("assets/hero-home-organization.png") 1x) 62% center / cover no-repeat,
    #d8d7ca;
  transform: scale(1.01);
}

.hero-overlay {
  background:
    linear-gradient(180deg, rgba(18, 30, 27, 0.16) 0%, rgba(18, 30, 27, 0.78) 58%, rgba(18, 30, 27, 0.92) 100%),
    linear-gradient(90deg, rgba(18, 30, 27, 0.58), rgba(18, 30, 27, 0.08));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 116px 20px 34px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--clay);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #f0d0a8;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 11em;
  margin-bottom: 16px;
  font-size: clamp(36px, 11.5vw, 48px);
  line-height: 1.06;
  font-weight: 900;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(27px, 8.5vw, 38px);
  line-height: 1.12;
}

h3 {
  margin-bottom: 12px;
  font-size: 20px;
  line-height: 1.25;
}

.hero-copy {
  max-width: 34em;
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 16px;
  line-height: 1.72;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.hero-tags span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.09);
  font-size: 13px;
  font-weight: 800;
  backdrop-filter: blur(10px);
}

.hero-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 900;
  text-align: center;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.button:active {
  transform: scale(0.98);
}

.button.primary {
  color: var(--white);
  background: var(--clay);
  box-shadow: 0 12px 30px rgba(180, 93, 67, 0.28);
}

.button.ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}

.button.full {
  width: 100%;
}

.intro-band {
  padding: 18px 20px;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(88px, 1fr));
  gap: 8px;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.intro-grid div {
  min-height: 112px;
  padding: 14px 10px;
  border-radius: 8px;
  background: #fbfaf6;
}

.stat {
  display: block;
  margin-bottom: 8px;
  color: var(--steel);
  font-size: 28px;
  line-height: 1;
  font-weight: 900;
}

.intro-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.section,
.split-section,
.contact-section {
  width: calc(100% - 40px);
  margin: 0 auto;
  padding: 62px 0;
}

.section-heading {
  max-width: 740px;
  margin-bottom: 26px;
}

.section-heading p:not(.eyebrow),
.split-copy p,
.contact-copy p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

.product-grid {
  display: grid;
  gap: 12px;
}

.product-card {
  min-height: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 34px rgba(23, 33, 30, 0.06);
}

.product-card.accent {
  background: var(--mist);
}

.product-card.dark {
  color: var(--white);
  background: var(--deep-sage);
}

.product-index {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--clay);
  font-size: 13px;
  font-weight: 900;
}

.product-card.dark .product-index,
.product-card.dark p,
.product-card.dark li {
  color: rgba(255, 255, 255, 0.76);
}

.product-card p,
.product-card li {
  color: var(--muted);
  line-height: 1.7;
}

.product-card ul {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 18px 0 0;
  padding-left: 18px;
  font-size: 14px;
}

.split-section {
  display: grid;
  gap: 28px;
}

.text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin-top: 4px;
  color: var(--deep-sage);
  font-weight: 900;
}

.text-link::after {
  margin-left: 8px;
  content: "→";
}

.process-list {
  display: grid;
  gap: 10px;
}

.process-list div {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 4px 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.process-list div:last-child {
  border-bottom: 1px solid var(--line);
}

.process-list span {
  grid-row: span 2;
  color: var(--clay);
  font-weight: 900;
}

.process-list strong {
  font-size: 18px;
}

.process-list p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.quality-band {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(41, 68, 58, 0.98), rgba(31, 48, 50, 0.95)),
    var(--deep-sage);
}

.quality-inner {
  display: grid;
  gap: 26px;
  width: calc(100% - 40px);
  margin: 0 auto;
  padding: 62px 0;
}

.quality-band .eyebrow {
  color: #f0d0a8;
}

.quality-grid {
  display: grid;
  gap: 12px;
}

.quality-grid article {
  min-height: 0;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.quality-grid p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.7;
}

.contact-section {
  display: grid;
  gap: 26px;
}

.contact-lines {
  display: grid;
  gap: 10px;
  margin-top: 24px;
  color: var(--deep-sage);
  font-size: 14px;
  font-weight: 800;
}

.contact-form {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 14px;
  font-weight: 900;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 15px;
  color: var(--ink);
  background: #fbfaf6;
  outline: none;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.contact-form input {
  min-height: 48px;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--sage);
  box-shadow: 0 0 0 4px rgba(116, 140, 115, 0.15);
}

.form-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.site-footer {
  display: grid;
  gap: 8px;
  padding: 28px 20px 104px;
  color: rgba(255, 255, 255, 0.72);
  background: #17211e;
  font-size: 13px;
}

.mobile-dock {
  position: fixed;
  right: 12px;
  bottom: 12px;
  left: 12px;
  z-index: 40;
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 8px;
  padding: 8px;
  border: 1px solid rgba(23, 33, 30, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 16px 42px rgba(19, 31, 27, 0.22);
  backdrop-filter: blur(18px);
}

.mobile-dock a {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  color: var(--deep-sage);
  background: var(--mist);
  font-size: 14px;
  font-weight: 900;
}

.mobile-dock .dock-primary {
  color: var(--white);
  background: var(--clay);
}

@media (min-width: 760px) {
  body {
    padding-bottom: 0;
  }

  .site-header {
    gap: 24px;
    padding: 18px clamp(32px, 5vw, 72px);
  }

  .site-header.is-scrolled,
  .site-header.is-open {
    padding-block: 12px;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
  }

  .brand strong {
    max-width: none;
    font-size: 15px;
  }

  .brand small {
    font-size: 11px;
  }

  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 0;
    color: currentColor;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .site-nav a {
    position: relative;
    min-height: auto;
    padding: 8px 0;
    border-radius: 0;
    font-size: 14px;
  }

  .site-nav a::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 2px;
    background: currentColor;
    content: "";
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.22s ease;
  }

  .site-nav a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
  }

  .hero {
    min-height: 88svh;
    align-items: center;
  }

  .hero-media {
    background-position: center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(18, 30, 27, 0.78) 0%, rgba(18, 30, 27, 0.48) 38%, rgba(18, 30, 27, 0.08) 78%),
      linear-gradient(180deg, rgba(0, 0, 0, 0.26), rgba(0, 0, 0, 0.08));
  }

  .hero-content {
    width: min(760px, calc(100% - 40px));
    margin-left: clamp(32px, 7vw, 92px);
    padding: 72px 0 0;
  }

  h1 {
    max-width: 720px;
    margin-bottom: 24px;
    font-size: clamp(46px, 7vw, 92px);
    line-height: 1.03;
  }

  h2 {
    font-size: clamp(32px, 4.5vw, 58px);
    line-height: 1.08;
  }

  .hero-copy {
    margin-bottom: 24px;
    font-size: clamp(17px, 2vw, 21px);
    line-height: 1.8;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
  }

  .button {
    min-height: 48px;
    padding: 0 22px;
    font-size: 15px;
  }

  .button:hover {
    transform: translateY(-2px);
  }

  .intro-band {
    padding: 28px clamp(32px, 5vw, 72px);
  }

  .intro-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .intro-grid div {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 18px;
    align-items: center;
    min-height: 84px;
    padding: 12px 0;
    background: transparent;
  }

  .stat {
    margin: 0;
    font-size: 36px;
  }

  .intro-grid p {
    font-size: 15px;
    line-height: 1.7;
  }

  .section,
  .split-section,
  .contact-section {
    width: min(1180px, calc(100% - 64px));
    padding: clamp(76px, 10vw, 132px) 0;
  }

  .section-heading {
    margin-bottom: 42px;
  }

  .section-heading p:not(.eyebrow),
  .split-copy p,
  .contact-copy p {
    font-size: 17px;
    line-height: 1.85;
  }

  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .product-card {
    min-height: 420px;
    padding: 30px;
  }

  .product-index {
    margin-bottom: 54px;
    font-size: 14px;
  }

  .product-card ul {
    margin-top: 26px;
    font-size: 16px;
  }

  .split-section {
    grid-template-columns: minmax(0, 0.86fr) minmax(360px, 1fr);
    gap: clamp(36px, 7vw, 90px);
    align-items: start;
  }

  .split-copy {
    position: sticky;
    top: 112px;
  }

  .process-list {
    gap: 14px;
  }

  .process-list div {
    grid-template-columns: 52px 1fr;
    gap: 6px 18px;
    padding: 24px 0;
  }

  .process-list strong {
    font-size: 20px;
  }

  .process-list p {
    font-size: 16px;
    line-height: 1.75;
  }

  .quality-inner {
    grid-template-columns: 0.62fr 1fr;
    gap: 46px;
    width: min(1180px, calc(100% - 64px));
    padding: clamp(76px, 9vw, 116px) 0;
  }

  .quality-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .quality-grid article {
    min-height: 210px;
    padding: 24px;
  }

  .contact-section {
    grid-template-columns: 0.95fr minmax(360px, 0.72fr);
    gap: clamp(34px, 7vw, 86px);
    align-items: start;
  }

  .contact-lines {
    font-size: 16px;
  }

  .contact-form {
    padding: 28px;
  }

  .contact-form label {
    font-size: 16px;
  }

  .site-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    padding: 28px clamp(32px, 5vw, 72px);
    font-size: 14px;
  }

  .mobile-dock {
    display: none;
  }
}

@media (min-width: 760px) and (max-width: 980px) {
  .product-grid,
  .quality-grid {
    grid-template-columns: 1fr;
  }

  .split-section,
  .quality-inner,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .split-copy {
    position: static;
  }

  .product-card {
    min-height: auto;
  }

  .product-index {
    margin-bottom: 32px;
  }
}

@media (max-width: 374px) {
  .section,
  .split-section,
  .contact-section,
  .quality-inner {
    width: calc(100% - 32px);
  }

  .hero-content {
    padding-right: 16px;
    padding-left: 16px;
  }

  .intro-band {
    padding-inline: 16px;
  }

  .intro-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .mobile-dock {
    grid-template-columns: 1fr;
  }
}

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