:root {
  --green: #2f8f46;
  --green-dark: #146033;
  --green-soft: #e9f5ed;
  --green-pale: #f3faf5;
  --blue: #1f6fb2;
  --ink: #1f2933;
  --muted: #5c6670;
  --line: #dfe7e2;
  --bg: #f6f8f7;
  --white: #fff;
  --shadow: 0 16px 40px rgba(16, 44, 28, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.header .container { width: min(1440px, calc(100% - 48px)); }
.topbar {
  background: #133127;
  color: rgba(255,255,255,.88);
  font-size: 13px;
}
.topbar .container { display: flex; justify-content: space-between; gap: 20px; padding: 9px 0; align-items: center; }
.header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(223,231,226,.84);
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px rgba(20, 44, 33, .04);
}
.nav-row { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 260px; }
.brand-mark {
  width: 58px; height: 46px; border-radius: 15px 15px 15px 5px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.16), transparent 42%),
    linear-gradient(135deg, var(--green), #74b86a);
  color: white;
  display: grid;
  grid-template-columns: 1fr 1fr;
  place-items: center;
  gap: 1px;
  font-weight: 900;
  position: relative;
  box-shadow: 0 8px 20px rgba(47,143,70,.25);
}
.brand-mark::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 7px;
  width: 16px;
  height: 10px;
  border-radius: 999px 999px 999px 0;
  background: rgba(255,255,255,.24);
}
.brand-mark b {
  position: relative;
  z-index: 1;
  font-size: 17px;
  line-height: 1;
  letter-spacing: 0;
}
.brand strong { display: block; font-size: 19px; letter-spacing: 0; }
.brand span { display: block; color: var(--muted); font-size: 12px; margin-top: -2px; }
.nav { display: flex; align-items: center; justify-content: flex-end; gap: 8px; font-weight: 700; flex: 1; }
.nav a {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: #33413a;
}
.nav a.active, .nav a:hover { color: var(--green-dark); background: var(--green-soft); border-color: rgba(47,143,70,.14); }
.nav .nav-cta {
  margin-left: 10px;
  padding: 10px 22px;
  border: 1px solid var(--green);
  border-radius: 999px;
  color: white;
  background: var(--green);
  box-shadow: 0 10px 24px rgba(47,143,70,.18);
}
.nav .nav-cta:hover { color: white; background: var(--green-dark); border-color: var(--green-dark); }
.menu-btn { display: none; border: 1px solid var(--line); background: white; width: 42px; height: 42px; border-radius: 6px; }
.menu-btn span { display: block; width: 20px; height: 2px; background: var(--ink); margin: 5px auto; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 22px; border-radius: 999px; border: 1px solid transparent;
  background: var(--green); color: white; font-weight: 700; cursor: pointer;
  transition: .18s ease;
}
.btn:hover { transform: translateY(-1px); background: var(--green-dark); }
.btn.secondary { background: white; color: var(--green-dark); border-color: rgba(255,255,255,.65); }
.btn.outline { background: transparent; color: var(--green); border-color: var(--green); }
.section { padding: 82px 0; }
.section.alt { background: linear-gradient(180deg, var(--green-pale), #fff); }
.section-title { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 30px; }
.eyebrow { color: var(--green); font-weight: 800; font-size: 14px; letter-spacing: 0; }
h1, h2, h3 { line-height: 1.25; margin: 0; }
h1 { font-size: clamp(36px, 5vw, 64px); color: white; max-width: 760px; }
h2 { font-size: clamp(26px, 3vw, 38px); }
h3 { font-size: 20px; }
p { margin: 0; color: var(--muted); }
.hero {
  color: white;
  position: relative;
  overflow: visible;
  min-height: 720px;
  background: #173329;
}
.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(13,47,34,.94) 0%, rgba(24,96,55,.86) 42%, rgba(18,65,82,.54) 100%),
    radial-gradient(circle at 74% 28%, rgba(255,255,255,.22), transparent 22%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.10) 0 2px, transparent 2px 42px),
    linear-gradient(135deg, #123027 0%, #2f8f46 48%, #1f6fb2 100%);
}
.hero-backdrop::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 185px;
  background: linear-gradient(180deg, transparent, rgba(246,248,247,.98));
}
.hero-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(360px, .75fr);
  gap: clamp(28px, 6vw, 88px);
  align-items: center;
  min-height: 650px;
  padding: clamp(64px, 9vw, 118px) 0 120px;
}
.hero-copy { max-width: 760px; }
.hero p { max-width: 690px; color: rgba(255,255,255,.9); font-size: 20px; margin: 24px 0 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-side { position: relative; min-height: 430px; }
.hero-side::before {
  content: "";
  position: absolute;
  inset: 22px -18px -18px 28px;
  border-radius: 44px;
  background: linear-gradient(135deg, rgba(255,255,255,.22), rgba(31,111,178,.16));
  border: 1px solid rgba(255,255,255,.22);
  backdrop-filter: blur(8px);
}
.hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 38px;
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: 0 34px 48px rgba(0,0,0,.24);
}
.hero-dock {
  position: relative;
  z-index: 4;
  margin-top: -92px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-radius: 30px;
  overflow: hidden;
  background: white;
  box-shadow: 0 22px 60px rgba(25, 71, 45, .16);
}
.hero-dock a {
  min-height: 118px;
  padding: 26px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-dock a:last-child { border-right: 0; }
.hero-dock a:hover { background: var(--green-soft); }
.hero-dock span { color: var(--green); font-size: 12px; font-weight: 900; letter-spacing: .04em; }
.hero-dock strong { color: var(--ink); font-size: 20px; margin-top: 8px; }
.home-flow {
  position: relative;
  padding: 112px 0 88px;
  background:
    radial-gradient(circle at 8% 12%, rgba(47,143,70,.12), transparent 26%),
    linear-gradient(180deg, #f6f8f7 0, #fff 34%, #f6f8f7 72%, #fff 100%);
}
.flow-intro {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 52px;
  align-items: end;
  margin-bottom: 34px;
}
.flow-intro p { font-size: 18px; color: #40505a; }
.application-ribbon {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-radius: 28px;
  overflow: hidden;
  background: #173329;
  color: white;
  margin-bottom: 82px;
  box-shadow: var(--shadow);
}
.application-ribbon a {
  min-height: 178px;
  padding: 28px;
  border-right: 1px solid rgba(255,255,255,.15);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.application-ribbon a:last-child { border-right: 0; }
.application-ribbon a:hover { background: rgba(47,143,70,.55); }
.application-ribbon strong { font-size: 21px; }
.application-ribbon span { color: rgba(255,255,255,.78); }
.service-intro {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(320px, .58fr);
  gap: 42px;
  align-items: stretch;
  margin-bottom: 86px;
}
.service-intro-copy {
  padding: 42px;
  border-radius: 30px;
  background: white;
  box-shadow: var(--shadow);
}
.service-intro-copy p { margin-top: 18px; font-size: 17px; color: #40505a; }
.service-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.service-tags span {
  padding: 9px 13px;
  border-radius: 999px;
  color: var(--green-dark);
  background: var(--green-soft);
  font-weight: 800;
}
.service-intro-visual {
  display: grid;
  gap: 14px;
  padding: 22px;
  border-radius: 30px;
  color: white;
  background:
    linear-gradient(135deg, rgba(23,51,41,.95), rgba(47,143,70,.78)),
    repeating-linear-gradient(90deg, rgba(255,255,255,.12) 0 2px, transparent 2px 32px);
  box-shadow: var(--shadow);
}
.service-intro-visual div {
  padding: 24px;
  border-radius: 22px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.18);
}
.service-intro-visual strong { display: block; font-size: 20px; margin-bottom: 8px; }
.service-intro-visual span { color: rgba(255,255,255,.82); }
.product-showcase {
  margin: 0 calc(50% - 50vw) 92px;
  padding: 76px 0;
  color: white;
  background:
    radial-gradient(circle at 76% 18%, rgba(255,255,255,.14), transparent 22%),
    linear-gradient(135deg, #173329, #2f8f46 58%, #1f6fb2);
}
.product-showcase .eyebrow, .product-showcase h2 { color: white; }
.product-showcase-head {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, .75fr);
  gap: 42px;
  align-items: end;
  margin-bottom: 34px;
}
.product-showcase-head p { color: rgba(255,255,255,.82); font-size: 17px; }
.product-showcase-body {
  display: grid;
  grid-template-columns: minmax(260px, .32fr) minmax(0, .68fr);
  gap: 22px;
  align-items: stretch;
}
.product-feature-card {
  min-height: 100%;
  padding: 34px;
  border-radius: 30px;
  background: rgba(255,255,255,.13);
  border: 1px solid rgba(255,255,255,.20);
  backdrop-filter: blur(8px);
}
.product-feature-card span { display: block; color: rgba(255,255,255,.76); font-weight: 900; font-size: 13px; margin-bottom: 18px; }
.product-feature-card h3 { font-size: 28px; }
.product-feature-card p { color: rgba(255,255,255,.82); margin: 16px 0 24px; }
.product-scroll {
  display: grid;
  grid-template-columns: repeat(4, minmax(210px, 1fr));
  gap: 18px;
}
.product-showcase .card {
  background: rgba(255,255,255,.96);
  border-color: rgba(255,255,255,.30);
}
.support-story {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  gap: 44px;
  align-items: center;
  padding: 46px 0 28px;
  margin-bottom: 82px;
}
.support-copy {
  padding: 36px;
  border-radius: 30px;
  background: white;
  box-shadow: var(--shadow);
}
.support-copy p { margin-top: 16px; font-size: 17px; }
.support-timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.support-timeline div {
  min-height: 220px;
  padding: 28px;
  border-radius: 30px;
  background: linear-gradient(180deg, #fff, #f3faf5);
  border: 1px solid rgba(47,143,70,.16);
  box-shadow: 0 16px 36px rgba(25,71,45,.08);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.support-timeline strong { color: var(--green); font-size: 42px; }
.support-timeline span { color: var(--ink); font-weight: 900; font-size: 18px; }
.insight-board {
  padding: 44px;
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.96)),
    radial-gradient(circle at 12% 10%, rgba(47,143,70,.12), transparent 25%);
  border: 1px solid rgba(47,143,70,.13);
  box-shadow: var(--shadow);
}
.insight-board-head {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, .9fr);
  gap: 32px;
  align-items: end;
  margin-bottom: 30px;
}
.insight-board-head p { font-size: 17px; }
.insight-mosaic {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 24px;
}
.case-column, .news-column {
  padding: 24px;
  border-radius: 28px;
  background: white;
  border: 1px solid var(--line);
}
.section-title.compact { margin-bottom: 20px; }
.section-title.compact h2 { font-size: 30px; }
.insight-list { display: grid; gap: 18px; }
.service-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.service-steps div {
  min-height: 142px;
  padding: 22px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,.22);
  background: rgba(255,255,255,.13);
}
.service-steps strong { display: block; font-size: 30px; margin-bottom: 14px; }
.service-steps span { color: rgba(255,255,255,.9); font-weight: 800; }
.grid { display: grid; gap: 22px; }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(20, 44, 33, .05);
  transition: .18s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(47,143,70,.35); }
.card-body { padding: 22px; }
.card-body h3 { color: var(--ink); }
.card-body p { color: #40505a; }
.card-body .meta { color: var(--green); }
.product-visual, .case-visual, .news-visual {
  min-height: 210px;
  background: linear-gradient(145deg, #f4f7f8, #fff);
  display: grid;
  place-items: center;
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.product-visual img { width: 100%; height: 230px; object-fit: cover; object-position: center; }
.product-visual.large img { height: 360px; border-radius: 16px; }
.drum-label {
  position: absolute;
  left: 56%;
  top: 55%;
  width: 28%;
  min-height: 58px;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  padding: 8px;
  text-align: center;
  pointer-events: none;
}
.drum-label strong {
  color: #115c96;
  font-size: clamp(10px, 1.04vw, 14px);
  line-height: 1.18;
  font-weight: 900;
}
.drum-label span {
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 900;
}
.product-visual.large .drum-label {
  width: 27%;
  min-height: 92px;
  transform: translate(-50%, -50%);
}
.product-visual.large .drum-label strong { font-size: 20px; }
.product-visual.large .drum-label span { font-size: 18px; }
.news-visual, .case-visual { min-height: 190px; color: white; position: relative; overflow: hidden; }
.news-visual::before, .case-visual::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(47,143,70,.86), rgba(31,111,178,.72)), repeating-linear-gradient(45deg, rgba(255,255,255,.14) 0 2px, transparent 2px 18px);
}
.visual-label { position: relative; z-index: 1; font-weight: 800; font-size: 20px; padding: 18px; text-align: center; }
.meta { color: var(--green); font-weight: 700; font-size: 14px; margin-bottom: 8px; }
.tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.tag { padding: 5px 10px; border-radius: 999px; background: var(--green-soft); color: var(--green-dark); font-size: 13px; font-weight: 700; }
.page-hero {
  padding: 72px 0;
  background: linear-gradient(135deg, #173329, #266040 62%, #1f6fb2);
  color: white;
  border-bottom-left-radius: 34px;
  border-bottom-right-radius: 34px;
}
.page-hero h1 { font-size: clamp(32px, 4vw, 48px); }
.page-hero p { max-width: 720px; color: rgba(255,255,255,.86); margin-top: 14px; }
.detail-layout { display: grid; grid-template-columns: minmax(0, 410px) minmax(0, 1fr); gap: 38px; align-items: start; }
.detail-panel { background: white; border: 1px solid var(--line); border-radius: 22px; padding: 28px; }
.rich-block { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.rich-block h2 { font-size: 23px; margin-bottom: 10px; }
.article { max-width: 860px; }
.article p { margin: 16px 0; color: #35414b; }
.contact-band {
  background: #173329;
  color: white;
  padding: 44px 0;
}
.contact-band .container { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.contact-band p { color: rgba(255,255,255,.82); }
.footer { background: #101f1a; color: rgba(255,255,255,.78); padding: 42px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 30px; padding-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer strong { color: white; }
.footer a { display: block; margin: 8px 0; color: rgba(255,255,255,.78); }
.copy { padding-top: 18px; font-size: 13px; color: rgba(255,255,255,.55); }
.form-grid { display: grid; gap: 16px; }
.field label { display: block; font-weight: 700; margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%; min-height: 44px; border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; background: white;
}
.field textarea { min-height: 120px; resize: vertical; }
.map {
  min-height: 360px; border: 1px solid var(--line); border-radius: 22px; overflow: hidden;
  background:
    linear-gradient(90deg, rgba(47,143,70,.14) 1px, transparent 1px),
    linear-gradient(0deg, rgba(31,111,178,.12) 1px, transparent 1px),
    #f3f7f5;
  background-size: 34px 34px;
  position: relative;
}
.map::after {
  content: "山东省淄博市张店区北西六路1号中关村5层";
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  background: white; border: 1px solid var(--line); border-radius: 8px; padding: 18px 22px; box-shadow: var(--shadow); color: var(--green-dark); font-weight: 800; text-align: center;
}

.admin-body { background: #f4f6f5; }
.admin-login { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(420px, 100%); background: white; border: 1px solid var(--line); border-radius: 8px; padding: 30px; box-shadow: var(--shadow); }
.admin-shell { min-height: 100vh; display: grid; grid-template-columns: 248px 1fr; }
.admin-side { background: #14251f; color: white; padding: 24px 18px; }
.admin-side a { display: block; padding: 11px 12px; border-radius: 6px; color: rgba(255,255,255,.82); margin: 5px 0; }
.admin-side a.active, .admin-side a:hover { background: rgba(47,143,70,.35); color: white; }
.admin-main { padding: 26px; min-width: 0; }
.admin-top { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin-bottom: 22px; }
.admin-card { background: white; border: 1px solid var(--line); border-radius: 8px; padding: 22px; margin-bottom: 18px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { text-align: left; border-bottom: 1px solid var(--line); padding: 12px 10px; vertical-align: top; }
th { background: #f7faf8; font-size: 14px; color: var(--muted); }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.mini-btn { min-height: 34px; padding: 0 10px; border: 1px solid var(--line); background: white; border-radius: 6px; cursor: pointer; }
.mini-btn.danger { color: #b42318; border-color: #f0b8b2; }
.switch-row { display: flex; align-items: center; gap: 10px; }
.switch-row input { width: 18px; height: 18px; }
.modal {
  position: fixed; inset: 0; background: rgba(12,24,18,.48); z-index: 50;
  display: grid; place-items: start center; padding: 44px 18px; overflow: auto;
}
.modal-card { width: min(900px, 100%); background: white; border-radius: 8px; padding: 24px; box-shadow: var(--shadow); }
.modal-head { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-bottom: 18px; }
.admin-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.admin-grid .full { grid-column: 1 / -1; }
.notice { padding: 12px 14px; border-radius: 6px; background: var(--green-soft); color: var(--green-dark); font-weight: 700; margin: 12px 0; }

@media (max-width: 900px) {
  .header .container { width: min(100% - 28px, 1180px); }
  .topbar .container { flex-direction: column; gap: 2px; align-items: flex-start; }
  .nav-row { height: auto; min-height: 72px; flex-wrap: wrap; }
  .menu-btn { display: block; }
  .nav { display: none; width: 100%; flex-direction: column; align-items: stretch; gap: 0; padding: 0 0 14px; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav .nav-cta { margin-left: 0; text-align: center; justify-content: center; }
  .hero { min-height: 0; }
  .hero-shell { grid-template-columns: 1fr; min-height: 0; padding: 54px 0 120px; }
  .hero-side { min-height: 300px; }
  .hero-photo { position: relative; min-height: 300px; }
  .hero-dock, .application-ribbon, .flow-intro, .service-intro, .product-showcase-head, .product-showcase-body, .product-scroll, .support-story, .support-timeline, .insight-board-head, .insight-mosaic, .grid.cols-4, .grid.cols-3, .grid.cols-2, .detail-layout, .footer-grid, .contact-band .container { grid-template-columns: 1fr; display: grid; }
  .hero-dock { margin-top: -78px; border-radius: 22px; }
  .hero-dock a, .application-ribbon a { border-right: 0; border-bottom: 1px solid var(--line); }
  .application-ribbon a { border-bottom-color: rgba(255,255,255,.14); }
  .product-showcase { padding: 54px 0; }
  .insight-board { padding: 24px; }
  .section-title { display: block; }
  .admin-shell { grid-template-columns: 1fr; }
  .admin-side { position: static; }
  .admin-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .container { width: min(100% - 28px, 1180px); }
  .brand { min-width: 0; }
  .brand strong { font-size: 16px; }
  .hero p { font-size: 16px; }
  .section { padding: 54px 0; }
  .card-body { padding: 18px; }
}