:root {
  --ink: #1f2a24;
  --muted: #637169;
  --leaf: #1f6b43;
  --leaf-dark: #0f412a;
  --leaf-soft: #e8f3ec;
  --gold: #c6903f;
  --paper: #fbfcf8;
  --line: #dce5dc;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(20, 43, 29, .12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  line-height: 1.65;
}

img {
  display: block;
  max-width: 100%;
}

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

button,
input,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 76px;
  padding: 12px clamp(18px, 4vw, 58px);
  background: rgba(251, 252, 248, .92);
  border-bottom: 1px solid rgba(31, 107, 67, .12);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: var(--leaf-dark);
  font-weight: 700;
}

.brand img {
  width: 158px;
  height: 38px;
  object-fit: contain;
}

.brand span {
  white-space: nowrap;
  font-size: 14px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 2.5vw, 34px);
  color: #334b3c;
  font-size: 15px;
}

.desktop-nav a {
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}

.desktop-nav a:hover {
  color: var(--leaf);
  border-color: var(--gold);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.phone-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 18px;
  color: var(--white);
  background: var(--leaf);
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 10px 20px rgba(31, 107, 67, .18);
}

.nav-toggle {
  display: none;
  min-height: 42px;
  padding: 0 14px;
  color: var(--leaf-dark);
  background: var(--leaf-soft);
  border: 1px solid rgba(31, 107, 67, .18);
  border-radius: 999px;
}

.mobile-menu {
  display: none;
}

.hero {
  position: relative;
  min-height: clamp(620px, calc(100vh - 132px), 760px);
  max-height: 820px;
  overflow: hidden;
  isolation: isolate;
}

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% center;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(11, 31, 20, .74) 0%, rgba(11, 31, 20, .48) 38%, rgba(11, 31, 20, .12) 72%),
    linear-gradient(0deg, rgba(10, 34, 22, .28), rgba(10, 34, 22, 0) 45%);
}

.hero-content {
  width: min(1180px, calc(100% - 36px));
  min-height: clamp(620px, calc(100vh - 132px), 760px);
  margin: 0 auto;
  padding: clamp(72px, 10vw, 132px) 0 70px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--white);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  width: min(720px, 100%);
  margin: 0;
  color: var(--white);
  font-size: clamp(42px, 6vw, 82px);
  line-height: 1.08;
  letter-spacing: 0;
}

.hero-copy {
  width: min(600px, 100%);
  margin: 24px 0 0;
  color: rgba(255, 255, 255, .92);
  font-size: clamp(17px, 2vw, 22px);
}

.hero-ctas,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  line-height: 1;
}

.btn.primary {
  color: var(--white);
  background: var(--leaf);
  box-shadow: 0 14px 28px rgba(10, 34, 22, .2);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: .65;
}

.btn.ghost {
  color: var(--leaf-dark);
  background: var(--white);
  border-color: rgba(31, 107, 67, .15);
}

.hero .btn.ghost {
  color: var(--white);
  background: rgba(255, 255, 255, .16);
  border-color: rgba(255, 255, 255, .36);
  backdrop-filter: blur(10px);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 240px));
  gap: 14px;
  margin: 42px 0 0;
}

.hero-facts div {
  padding: 16px 18px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 8px;
  backdrop-filter: blur(8px);
}

.hero-facts dt {
  color: rgba(255, 255, 255, .72);
  font-size: 13px;
}

.hero-facts dd {
  margin: 4px 0 0;
  color: var(--white);
  font-size: 18px;
  font-weight: 800;
}

.notice {
  background: var(--leaf-dark);
  color: var(--white);
}

.notice-inner {
  width: min(1180px, calc(100% - 36px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 22px;
}

.notice strong {
  color: #f2c776;
  white-space: nowrap;
}

.notice span {
  flex: 1;
  color: rgba(255, 255, 255, .88);
}

.notice a {
  color: #f2c776;
  font-weight: 800;
  white-space: nowrap;
}

.section {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(68px, 8vw, 108px) 0;
}

.section-heading {
  width: min(760px, 100%);
  margin: 0 auto 42px;
  text-align: center;
}

.section-heading h2 {
  margin: 0;
  color: var(--leaf-dark);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.16;
  letter-spacing: 0;
}

.section-heading p:last-child {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.intro-grid,
.order-layout,
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, .82fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.intro-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.intro-gallery img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.intro-copy h3 {
  margin: 0 0 14px;
  color: var(--leaf-dark);
  font-size: 28px;
}

.intro-copy p {
  margin: 0 0 14px;
  color: #45554b;
}

.intro-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.intro-badges span {
  padding: 8px 13px;
  color: var(--leaf-dark);
  background: var(--leaf-soft);
  border: 1px solid rgba(31, 107, 67, .14);
  border-radius: 999px;
  font-weight: 700;
}

.products-section {
  width: 100%;
  max-width: none;
  padding-left: max(18px, calc((100% - 1180px) / 2));
  padding-right: max(18px, calc((100% - 1180px) / 2));
  background: #eef5ef;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.product-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--white);
  border: 1px solid rgba(31, 107, 67, .12);
  border-radius: 8px;
  box-shadow: 0 16px 38px rgba(20, 43, 29, .08);
}

.product-card img {
  width: 100%;
  aspect-ratio: 525 / 357;
  object-fit: cover;
}

.product-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 20px;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
}

.product-card h3 {
  margin: 10px 0 8px;
  color: var(--leaf-dark);
  font-size: 20px;
  line-height: 1.35;
}

.product-card p {
  margin: 0;
  color: var(--muted);
}

.product-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 18px;
}

.price {
  color: #a16118;
  font-size: 24px;
  font-weight: 900;
}

.mini-link {
  min-height: 38px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  color: var(--leaf);
  background: var(--leaf-soft);
  border-radius: 999px;
  font-weight: 800;
}

.order-layout {
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, .7fr);
  align-items: start;
}

.order-form,
.contact-panel {
  padding: clamp(20px, 3vw, 32px);
  background: var(--white);
  border: 1px solid rgba(31, 107, 67, .12);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

legend,
.form-row > label,
.form-row {
  color: var(--leaf-dark);
  font-weight: 800;
}

.order-options {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.order-option {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  background: #f7faf6;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

.order-option input {
  width: 18px;
  height: 18px;
  accent-color: var(--leaf);
}

.order-option strong {
  display: block;
  color: var(--ink);
  font-size: 15px;
}

.order-option small {
  color: var(--muted);
}

.form-row {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.two-cols {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.two-cols label {
  display: grid;
  gap: 8px;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--ink);
  background: #fbfdfb;
  outline: none;
}

input:focus,
textarea:focus {
  border-color: var(--leaf);
  box-shadow: 0 0 0 4px rgba(31, 107, 67, .12);
}

.captcha-row label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.captcha-row label span {
  color: var(--leaf);
  font-size: 16px;
}

.captcha-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.captcha-refresh {
  border: 1px solid rgba(31, 107, 67, .18);
  border-radius: 8px;
  padding: 0 14px;
  color: var(--leaf-dark);
  background: #eef7ef;
  font-weight: 800;
  cursor: pointer;
}

.captcha-refresh:hover {
  background: #e2f0e3;
}

.order-total {
  margin-top: 22px;
  padding: 18px;
  display: grid;
  gap: 4px;
  background: var(--leaf-dark);
  color: var(--white);
  border-radius: 8px;
}

.order-total span,
.order-total small {
  color: rgba(255, 255, 255, .76);
}

.order-total strong {
  font-size: 30px;
}

.form-status {
  min-height: 24px;
  margin: 14px 0 0;
  color: var(--muted);
  font-weight: 800;
}

.form-status[data-type="success"] {
  color: var(--leaf);
}

.form-status[data-type="error"] {
  color: #b42318;
}

.contact-panel {
  position: sticky;
  top: 98px;
  text-align: center;
}

.contact-panel h3 {
  margin: 0 0 16px;
  color: var(--leaf-dark);
  font-size: 24px;
}

.qr {
  width: min(220px, 70vw);
  height: auto;
  margin: 0 auto 20px;
  padding: 10px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.contact-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
  text-align: left;
}

.contact-panel li {
  padding: 11px 0;
  color: #405149;
  border-top: 1px solid var(--line);
}

.faq-layout {
  grid-template-columns: minmax(280px, .8fr) minmax(0, 1fr);
}

.faq-layout img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.faq-list {
  display: grid;
  gap: 18px;
}

.faq-list article {
  padding: 24px;
  background: var(--white);
  border: 1px solid rgba(31, 107, 67, .12);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(20, 43, 29, .06);
}

.faq-list h3 {
  margin: 0 0 8px;
  color: var(--leaf-dark);
  font-size: 20px;
}

.faq-list p {
  margin: 0;
  color: var(--muted);
}

.articles-section {
  width: 100%;
  max-width: none;
  padding-left: max(18px, calc((100% - 1180px) / 2));
  padding-right: max(18px, calc((100% - 1180px) / 2));
  background: #f6faf5;
}

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

.article-card {
  min-height: 190px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 24px;
  background: var(--white);
  border: 1px solid rgba(31, 107, 67, .12);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(20, 43, 29, .07);
  transition: transform .18s ease, box-shadow .18s ease;
}

.article-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 42px rgba(20, 43, 29, .12);
}

.article-card span {
  margin-bottom: 12px;
  padding: 5px 10px;
  color: var(--leaf);
  background: var(--leaf-soft);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
}

.article-card h3 {
  margin: 0;
  color: var(--leaf-dark);
  font-size: 21px;
  line-height: 1.35;
}

.article-card p {
  margin: 12px 0 0;
  color: var(--muted);
}

.article-header {
  position: static;
}

.article-page {
  padding: clamp(42px, 7vw, 78px) 18px;
  background:
    linear-gradient(180deg, #eef6ee 0, rgba(238, 246, 238, 0) 260px),
    var(--paper);
}

.article-content {
  width: min(860px, 100%);
  margin: 0 auto;
  padding: clamp(24px, 5vw, 52px);
  background: var(--white);
  border: 1px solid rgba(31, 107, 67, .12);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.article-content h1 {
  margin: 0 0 18px;
  color: var(--leaf-dark);
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.18;
  letter-spacing: 0;
}

.article-lead {
  margin: 0 0 28px;
  color: #435349;
  font-size: 18px;
}

.article-content h2 {
  margin: 30px 0 10px;
  color: var(--leaf-dark);
  font-size: 24px;
}

.article-content p {
  color: #45554b;
}

.article-cta {
  margin-top: 34px;
  padding: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  color: var(--white);
  background: var(--leaf-dark);
  border-radius: 8px;
}

.article-cta a {
  color: #f2c776;
  font-weight: 900;
}

.site-footer {
  color: var(--white);
  background: #0f2f22;
}

.footer-inner {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 48px 0;
  display: grid;
  grid-template-columns: 1.4fr .8fr 1fr;
  gap: 32px;
  align-items: start;
}

.footer-inner img {
  width: 210px;
  height: auto;
}

.footer-inner p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, .78);
}

.footer-inner nav,
.footer-contact {
  display: grid;
  gap: 10px;
}

.footer-inner a,
.footer-contact span {
  color: rgba(255, 255, 255, .78);
}

.footer-contact strong {
  color: #f2c776;
  font-size: 26px;
}

.copyright {
  padding: 16px 18px;
  text-align: center;
  color: rgba(255, 255, 255, .62);
  background: rgba(0, 0, 0, .18);
}

.copyright a {
  color: rgba(255, 255, 255, .72);
}

.mobile-contact-bar {
  display: none;
}

@media (max-width: 1020px) {
  .desktop-nav {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
  }

  .mobile-menu {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    z-index: 18;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: rgba(15, 65, 42, .18);
    transform: translateY(-130%);
    transition: transform .24s ease;
  }

  body.menu-open .mobile-menu {
    transform: translateY(0);
  }

  .mobile-menu a {
    padding: 13px 6px;
    text-align: center;
    color: var(--leaf-dark);
    background: rgba(251, 252, 248, .96);
    font-weight: 800;
  }

  .intro-grid,
  .order-layout,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .products-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-panel {
    position: static;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  body {
    padding-bottom: 58px;
  }

  .site-header {
    min-height: 66px;
    padding: 10px 14px;
  }

  .brand img {
    width: 122px;
    height: 32px;
  }

  .brand span,
  .phone-link {
    display: none;
  }

  .mobile-menu {
    top: 66px;
    grid-template-columns: repeat(2, 1fr);
  }

  .hero {
    min-height: 650px;
  }

  .hero-img {
    object-position: 65% center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(9, 28, 18, .78), rgba(9, 28, 18, .46)),
      linear-gradient(0deg, rgba(9, 28, 18, .35), transparent 45%);
  }

  .hero-content {
    min-height: 650px;
    width: min(100% - 28px, 1180px);
    padding-top: 72px;
    justify-content: flex-end;
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .hero-facts {
    grid-template-columns: 1fr;
    margin-top: 26px;
  }

  .notice-inner {
    min-height: 0;
    padding: 16px 0;
    display: grid;
    gap: 8px;
  }

  .section {
    width: min(100% - 28px, 1180px);
    padding: 56px 0;
  }

  .products-section {
    padding-left: 14px;
    padding-right: 14px;
  }

  .section-heading {
    margin-bottom: 30px;
  }

  .section-heading h2 {
    font-size: 30px;
  }

  .products-grid,
  .intro-gallery,
  .article-grid,
  .two-cols {
    grid-template-columns: 1fr;
  }

  .product-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .order-option {
    grid-template-columns: auto 1fr;
  }

  .order-option .price {
    grid-column: 2;
    font-size: 20px;
  }

  .mobile-contact-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 30;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--white);
    border-top: 1px solid var(--line);
    box-shadow: 0 -12px 28px rgba(20, 43, 29, .12);
  }

  .mobile-contact-bar a {
    min-height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--leaf-dark);
    font-weight: 900;
  }

  .mobile-contact-bar a:first-child {
    color: var(--white);
    background: var(--leaf);
  }
}