:root {
  --sea: #0f4c5c;
  --sea-deep: #0b3038;
  --sea-soft: #eaf3f0;
  --ink: #172528;
  --muted: #607174;
  --paper: #f5f8f5;
  --paper-warm: #fbf6ee;
  --card: #ffffff;
  --amber: #c79a5f;
  --amber-soft: #f4ead8;
  --coral: #b95d49;
  --line: #d9e4df;
  --line-strong: #c9d8d2;
  --shadow: 0 18px 46px rgba(25, 51, 55, .12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, #f7faf7 0, var(--paper) 420px, #f2f6f3 100%);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

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

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 clamp(18px, 5vw, 72px);
  background: rgba(247, 250, 247, .9);
  border-bottom: 1px solid rgba(217, 228, 223, .8);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
  color: var(--sea-deep);
  font-size: 21px;
  font-weight: 900;
}

.mark {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--sea);
  color: var(--amber-soft);
  font-size: 17px;
  box-shadow: 0 10px 24px rgba(15, 76, 92, .18);
}

.links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 24px);
  color: #4d6164;
  font-size: 14px;
  font-weight: 800;
}

.links a {
  position: relative;
}

.links a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .18s ease;
  content: "";
}

.links a:hover::after {
  transform: scaleX(1);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--sea);
  border-radius: 10px;
  background: var(--sea);
  color: #fff;
  font-size: 14px;
  font-weight: 900;
  white-space: nowrap;
  box-shadow: 0 12px 26px rgba(15, 76, 92, .16);
}

.button.alt {
  background: #fff;
  color: var(--sea-deep);
  border-color: var(--line-strong);
  box-shadow: none;
}

.nav-cta {
  min-height: 40px;
  padding: 0 15px;
}

.menu {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: #fff;
  place-items: center;
}

.menu span,
.menu span::before {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--sea-deep);
  content: "";
}

.menu span::before {
  transform: translateY(-6px);
}

.section-band,
section {
  padding: clamp(48px, 7vw, 78px) clamp(20px, 5vw, 72px);
}

.white {
  background: #fff;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 520px);
  gap: clamp(28px, 5vw, 68px);
  align-items: center;
  padding: clamp(46px, 7vw, 84px) clamp(20px, 5vw, 72px);
}

.hero-home {
  align-items: stretch;
  min-height: min(760px, calc(100vh - 118px));
  padding-top: clamp(30px, 4vw, 50px);
  padding-bottom: clamp(30px, 4vw, 46px);
}

.product-hero {
  align-items: stretch;
  padding-top: clamp(34px, 5vw, 62px);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.eyebrow {
  margin: 0 0 13px;
  color: var(--sea);
  font-size: 13px;
  font-weight: 900;
  line-height: 1.45;
}

h1,
h2 {
  margin: 0;
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1.08;
}

h1 {
  max-width: 760px;
  font-size: clamp(40px, 5.3vw, 62px);
}

h2 {
  font-size: clamp(31px, 3.8vw, 46px);
}

h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.28;
}

.lead {
  max-width: 690px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.78;
}

.nowrap {
  white-space: nowrap;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.proof-row,
.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.proof-card,
.fact {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, .82);
}

.proof-card strong,
.fact strong {
  display: block;
  color: var(--sea);
  font-size: 20px;
  line-height: 1.15;
}

.proof-card span,
.fact span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
  line-height: 1.45;
}

.evidence-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: start;
  min-height: 0;
  padding: clamp(20px, 3vw, 28px);
  overflow: hidden;
  border-radius: 18px;
  background:
    radial-gradient(circle at 86% 12%, rgba(199, 154, 95, .35), transparent 29%),
    linear-gradient(145deg, #134b56 0%, #0b3038 64%, #09272d 100%);
  color: #fff;
  box-shadow: var(--shadow);
}

.product-evidence {
  min-height: 0;
}

.evidence-panel::after {
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 280px;
  height: 280px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 50%;
  content: "";
}

.hero-product-image,
.product-image {
  margin: 0;
}

.hero-product-image {
  position: relative;
  z-index: 1;
  overflow: hidden;
  aspect-ratio: 16 / 6.8;
  margin-bottom: 18px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 16px;
  background: rgba(255, 255, 255, .08);
}

.hero-product-image img,
.product-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.panel-topline {
  position: relative;
  z-index: 1;
  color: var(--amber-soft);
  font-size: 13px;
  font-weight: 900;
}

.evidence-panel h2 {
  position: relative;
  z-index: 1;
  max-width: 430px;
  margin-top: 10px;
  font-family: inherit;
  font-size: clamp(25px, 3vw, 34px);
  line-height: 1.22;
}

.evidence-panel > p {
  position: relative;
  z-index: 1;
  max-width: 420px;
  margin: 10px 0 0;
  color: rgba(255, 255, 255, .74);
  font-size: 15px;
  line-height: 1.75;
}

.evidence-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.evidence-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 14px;
  background: rgba(255, 255, 255, .09);
}

.evidence-item span {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .12);
  color: var(--amber-soft);
  font-size: 12px;
  font-weight: 900;
}

.evidence-item strong {
  display: block;
  font-size: 17px;
  line-height: 1.3;
}

.evidence-item p {
  margin: 5px 0 0;
  color: rgba(255, 255, 255, .73);
  font-size: 13px;
  line-height: 1.55;
}

.evidence-item.highlight {
  border-color: rgba(199, 154, 95, .62);
  background: var(--amber);
  color: #17343a;
}

.evidence-item.highlight span {
  background: rgba(255, 255, 255, .24);
  color: #17343a;
}

.evidence-item.highlight p {
  color: rgba(23, 52, 58, .82);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 34px;
}

.section-head p {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.product-grid,
.matrix {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.product-card,
.card {
  position: relative;
  min-width: 0;
  min-height: 310px;
  padding: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  box-shadow: 0 14px 32px rgba(25, 51, 55, .06);
}

.product-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 5px;
  background: var(--sea);
  content: "";
}

.product-card.seeded { background: linear-gradient(180deg, #f7fbf8, #fff); }
.product-card.dried { background: linear-gradient(180deg, #fff8ed, #fff); }
.product-card.ready { background: linear-gradient(180deg, #f4f9fc, #fff); }
.product-card.gift { background: linear-gradient(180deg, #fff5f4, #fff); }
.product-card.dried::before { background: var(--amber); }
.product-card.ready::before { background: #598aa1; }
.product-card.gift::before { background: var(--coral); }

.product-image {
  overflow: hidden;
  aspect-ratio: 16 / 10;
  margin: 2px 0 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--sea-soft);
}

.tag,
.card .tag {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 5px 9px;
  border-radius: 8px;
  background: var(--sea-soft);
  color: var(--sea);
  font-size: 12px;
  font-weight: 900;
}

.product-card p,
.card p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.more,
.card .more {
  display: inline-flex;
  margin-top: 18px;
  color: var(--sea);
  font-size: 14px;
  font-weight: 900;
}

.more::after,
.card .more::after {
  margin-left: 6px;
  content: "→";
}

.service-band {
  display: grid;
  grid-template-columns: minmax(260px, 430px) minmax(0, 1fr);
  gap: clamp(26px, 5vw, 64px);
  align-items: center;
  background:
    linear-gradient(135deg, rgba(15, 76, 92, .08), transparent 38%),
    var(--paper);
}

.service-copy p:not(.eyebrow),
.copy p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.78;
}

.district-cloud,
.area-list,
.city-links,
.links-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.district-cloud li,
.area-list li,
.city-links a,
.links-grid a {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: #4d6265;
  font-size: 14px;
  font-weight: 800;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(280px, 470px) minmax(0, 1fr);
  gap: clamp(30px, 5vw, 68px);
  align-items: start;
}

.steps {
  display: grid;
  gap: 12px;
}

.step {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

.step b {
  color: var(--amber);
  font-size: 20px;
  line-height: 1.2;
}

.step strong {
  display: block;
  margin-bottom: 5px;
  font-size: 17px;
}

.step span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.trust {
  background: var(--sea-deep);
  color: #fff;
}

.trust .section-head p,
.trust .eyebrow {
  color: rgba(255, 255, 255, .76);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.trust-item {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 14px;
  background: rgba(255, 255, 255, .08);
}

.trust-item strong {
  display: block;
  color: var(--amber-soft);
  font-size: 28px;
  line-height: 1.1;
}

.trust-item span {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, .78);
  font-size: 14px;
  line-height: 1.55;
}

.faq,
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

details {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 900;
}

details p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.final {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: clamp(44px, 6vw, 70px) clamp(20px, 5vw, 72px);
  background:
    linear-gradient(135deg, rgba(199, 154, 95, .16), transparent 42%),
    #fff;
}

.final p {
  max-width: 720px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.footer-note {
  margin-top: 24px;
  color: var(--muted);
  font-size: 13px;
}

.breadcrumbs {
  margin: 22px clamp(20px, 5vw, 72px) 0;
  color: var(--muted);
  font-size: 14px;
}

.breadcrumbs a {
  color: var(--sea);
  font-weight: 800;
}

.hero-panel,
.product-media {
  overflow: hidden;
  border-radius: 18px;
  background: var(--sea-deep);
  box-shadow: var(--shadow);
}

.answer-box {
  padding: 28px;
  background:
    radial-gradient(circle at 78% 10%, rgba(199, 154, 95, .32), transparent 34%),
    linear-gradient(145deg, #154b55, #0b3038);
  color: #fff;
}

.answer-box h2 {
  font-family: inherit;
  font-size: 22px;
  line-height: 1.35;
}

.answer-box p,
.answer-box li {
  color: rgba(255, 255, 255, .78);
  font-size: 15px;
  line-height: 1.75;
}

.answer-list {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.answer-list div {
  padding: 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, .1);
}

.product-visual {
  position: relative;
  height: 240px;
  background: linear-gradient(135deg, #e8efeb, #c3d0c9);
}

.product-visual::before {
  position: absolute;
  right: 82px;
  bottom: 76px;
  width: 310px;
  height: 94px;
  border-radius: 50%;
  background: #f2e7d8;
  box-shadow: inset 0 -18px 36px rgba(80, 55, 33, .12);
  content: "";
}

.cucumber {
  position: absolute;
  width: 116px;
  height: 42px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 22px 18px, #8b7160 0 5px, transparent 6px),
    radial-gradient(circle at 47px 13px, #8b7160 0 5px, transparent 6px),
    radial-gradient(circle at 72px 24px, #8b7160 0 5px, transparent 6px),
    radial-gradient(circle at 96px 16px, #8b7160 0 5px, transparent 6px),
    #47382f;
  box-shadow: inset -12px -8px 18px rgba(0, 0, 0, .2);
}

.c1 { right: 282px; bottom: 132px; transform: rotate(-10deg); }
.c2 { right: 206px; bottom: 154px; transform: rotate(8deg); background-color: #594636; }
.c3 { right: 132px; bottom: 130px; transform: rotate(-8deg); }

@media (max-width: 1080px) {
  .links,
  .nav > .button {
    display: none;
  }

  .menu {
    display: grid;
  }

  .hero,
  .hero-home,
  .two-col,
  .service-band {
    grid-template-columns: 1fr;
  }

  .hero-home {
    min-height: auto;
  }

  .evidence-panel {
    min-height: auto;
  }

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

  .section-head,
  .final {
    display: block;
  }

  .section-head p,
  .final p {
    margin-top: 16px;
  }

  .final .button {
    margin-top: 22px;
  }
}

@media (max-width: 640px) {
  .nav {
    min-height: 66px;
  }

  .brand {
    font-size: 18px;
  }

  .mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }

  .section-band,
  section,
  .hero,
  .hero-home {
    padding-right: 18px;
    padding-left: 18px;
  }

  h1 {
    font-size: 39px;
  }

  h2 {
    font-size: 30px;
  }

  .lead {
    font-size: 16px;
  }

  .actions .button {
    width: 100%;
  }

  .proof-row,
  .facts,
  .product-grid,
  .matrix,
  .trust-grid,
  .faq,
  .faq-grid {
    grid-template-columns: 1fr;
  }

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

  .evidence-panel {
    border-radius: 16px;
    padding: 22px;
  }

  .evidence-item {
    grid-template-columns: 38px 1fr;
    gap: 12px;
  }

  .district-cloud li,
  .area-list li,
  .city-links a,
  .links-grid a {
    width: 100%;
  }

  .step {
    grid-template-columns: 44px 1fr;
  }

  .hero-panel {
    border-radius: 16px;
  }

  .product-visual {
    height: 220px;
  }

  .product-visual::before {
    right: 36px;
    width: 250px;
  }

  .cucumber {
    width: 88px;
    height: 34px;
  }

  .c1 { right: 204px; bottom: 118px; }
  .c2 { right: 142px; bottom: 138px; }
  .c3 { right: 82px; bottom: 116px; }
}

/* 页脚「其他城市站」互链：放在页面最底部，低对比小灰字，仿同行不抢眼 */
.city-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding: 22px clamp(20px, 5vw, 72px) 44px;
  border-top: 1px solid var(--line);
  background: #f3f6f4;
}
.city-foot a {
  color: #9aa6a4;
  font-size: 12px;
  line-height: 1.7;
  font-weight: 400;
  text-decoration: none;
}
.city-foot a:hover { color: var(--muted); text-decoration: underline; }