:root {
  --red: #c9151e;
  --red-dark: #9f1018;
  --ink: #1f2328;
  --text: #3b3f45;
  --muted: #6b7280;
  --line: #d9dde3;
  --soft-line: #eceff3;
  --bg: #f5f6f8;
  --white: #ffffff;
  --panel: #ffffff;
  --shadow: 0 10px 28px rgba(24, 28, 36, 0.08);
  --radius: 6px;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  min-width: 320px;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--soft-line);
  backdrop-filter: blur(10px);
}

.top-strip {
  color: #f7f7f7;
  background: #23262b;
  font-size: 13px;
}

.top-strip .wrap {
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.wrap {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.header-main {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
}

.brand-logo {
  width: 74px;
  height: 42px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--soft-line);
  padding: 4px;
}

.brand-title {
  display: block;
  color: var(--ink);
  font-weight: 800;
  font-size: 21px;
  line-height: 1.1;
}

.brand-subtitle {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.main-nav a {
  padding: 10px 13px;
  color: #333840;
  font-size: 15px;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--red);
  border-color: var(--red);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--white);
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.btn:hover {
  border-color: var(--red);
  color: var(--red);
}

.btn.primary {
  color: #fff;
  border-color: var(--red);
  background: var(--red);
}

.btn.primary:hover {
  color: #fff;
  background: var(--red-dark);
}

.btn.dark {
  color: #fff;
  border-color: #23262b;
  background: #23262b;
}

.btn.text {
  border-color: transparent;
  background: transparent;
  color: var(--red);
  padding: 0 8px;
}

.btn.full {
  width: 100%;
}

.hero {
  background: var(--white);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.35fr);
  min-height: 520px;
  align-items: stretch;
  gap: 32px;
  padding: 34px 0 44px;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 20px 0 12px;
}

.hero h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.08;
  letter-spacing: 0;
}

.hero .slogan {
  margin: 18px 0 0;
  color: var(--red);
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 700;
}

.hero .intro {
  margin: 18px 0 0;
  max-width: 530px;
  color: #4c535c;
  font-size: 17px;
  line-height: 1.8;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.contact-line {
  margin-top: 28px;
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 14px;
}

.contact-line strong {
  color: var(--ink);
}

.carousel {
  position: relative;
  min-height: 470px;
  background: #16191e;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.45s ease;
}

.slide.active {
  opacity: 1;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.52), rgba(0, 0, 0, 0.06));
}

.slide-caption {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 30px;
  z-index: 1;
  color: #fff;
}

.slide-caption h2 {
  margin: 0 0 9px;
  font-size: clamp(22px, 3vw, 34px);
  letter-spacing: 0;
}

.slide-caption p {
  max-width: 560px;
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.7;
  font-size: 15px;
}

.carousel-controls {
  position: absolute;
  right: 24px;
  bottom: 24px;
  z-index: 2;
  display: flex;
  gap: 8px;
}

.carousel-controls button {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  color: #fff;
  background: rgba(0, 0, 0, 0.28);
  border-radius: 50%;
  cursor: pointer;
}

.section {
  padding: 54px 0;
}

.section.white {
  background: var(--white);
}

.section-title {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.section-title h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: 0;
}

.section-title p {
  margin: 9px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

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

.service-card {
  background: var(--panel);
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 18px rgba(27, 33, 42, 0.05);
}

.service-card .cover {
  display: block;
  height: 170px;
  overflow: hidden;
  background: #e9edf2;
}

.service-card .cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-card .body {
  padding: 18px;
}

.service-card h3 {
  margin: 0;
  color: var(--ink);
  font-size: 19px;
  line-height: 1.35;
}

.service-meta {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.service-card p {
  margin: 12px 0 0;
  line-height: 1.7;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 14px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 0 8px;
  border: 1px solid #f0ccd0;
  color: var(--red);
  background: #fff6f7;
  font-size: 12px;
  border-radius: 4px;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--soft-line);
}

.price {
  color: var(--red);
  font-weight: 800;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
}

.about-copy {
  font-size: 16px;
  line-height: 1.9;
}

.facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.fact {
  padding: 15px;
  border-left: 3px solid var(--red);
  background: #fafafa;
}

.fact b {
  display: block;
  color: var(--ink);
  font-size: 22px;
}

.fact span {
  color: var(--muted);
  font-size: 13px;
}

.photo-stack {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 12px;
}

.photo-stack img {
  width: 100%;
  height: 100%;
  min-height: 170px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--soft-line);
}

.photo-stack img:first-child {
  grid-row: span 2;
}

.link-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.link-list a {
  min-height: 86px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  background: var(--white);
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
}

.link-list a:hover {
  border-color: var(--red);
}

.link-list b {
  color: var(--ink);
}

.link-list span {
  color: var(--muted);
  font-size: 13px;
}

.page-hero {
  color: #fff;
  background: #22272f;
}

.page-hero .wrap {
  min-height: 220px;
  padding: 40px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  letter-spacing: 0;
}

.page-hero p {
  max-width: 820px;
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.8;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 180px 150px;
  gap: 12px;
  margin-bottom: 18px;
}

.field,
.select,
.textarea {
  width: 100%;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  outline: none;
}

.textarea {
  min-height: 120px;
  padding-top: 10px;
  resize: vertical;
  line-height: 1.6;
}

.field:focus,
.select:focus,
.textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(201, 21, 30, 0.08);
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 24px;
  align-items: start;
}

.detail-main,
.side-panel,
.form-panel,
.admin-panel {
  background: var(--white);
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
  box-shadow: 0 8px 18px rgba(27, 33, 42, 0.05);
}

.detail-cover {
  height: 360px;
  overflow: hidden;
  border-radius: var(--radius) var(--radius) 0 0;
}

.detail-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-content {
  padding: 24px;
}

.detail-content h2 {
  margin: 0;
  color: var(--ink);
  font-size: 31px;
}

.detail-summary {
  margin: 14px 0 0;
  color: #4c535c;
  font-size: 17px;
  line-height: 1.8;
}

.detail-list {
  margin: 20px 0 0;
  padding-left: 20px;
  line-height: 1.9;
}

.side-panel {
  padding: 20px;
}

.side-panel h3 {
  margin: 0 0 14px;
  color: var(--ink);
}

.info-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--soft-line);
  font-size: 14px;
}

.info-row:last-child {
  border-bottom: 0;
}

.info-row span {
  color: var(--muted);
}

.info-row b {
  color: var(--ink);
  text-align: right;
}

.auth-shell {
  min-height: calc(100vh - 111px);
  display: grid;
  place-items: center;
  padding: 42px 16px;
  background: linear-gradient(110deg, rgba(35, 38, 43, 0.72), rgba(35, 38, 43, 0.25)), url("../assets/yard.jpg") center/cover;
}

.auth-card {
  width: min(430px, 100%);
  padding: 30px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.auth-card h1 {
  margin: 0;
  color: var(--ink);
  font-size: 27px;
}

.auth-card p {
  margin: 8px 0 24px;
  color: var(--muted);
  line-height: 1.7;
}

.form-grid {
  display: grid;
  gap: 14px;
}

.form-grid label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.form-note {
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.message {
  display: none;
  margin: 14px 0 0;
  padding: 10px 12px;
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.5;
}

.message.show {
  display: block;
}

.message.ok {
  color: #0f6b35;
  border: 1px solid #b9e4c8;
  background: #effaf3;
}

.message.error {
  color: #9f1018;
  border: 1px solid #f2c2c7;
  background: #fff4f5;
}

.admin-shell {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  min-height: calc(100vh - 111px);
}

.admin-sidebar {
  background: #22272f;
  color: #fff;
  padding: 24px 18px;
}

.admin-sidebar h2 {
  margin: 0 0 20px;
  font-size: 21px;
}

.admin-sidebar a {
  display: block;
  padding: 12px 13px;
  margin-bottom: 8px;
  border-radius: var(--radius);
  color: rgba(255, 255, 255, 0.82);
}

.admin-sidebar a:hover,
.admin-sidebar a.active {
  color: #fff;
  background: var(--red);
}

.admin-content {
  padding: 28px;
}

.admin-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.admin-title h1 {
  margin: 0;
  color: var(--ink);
  font-size: 28px;
}

.admin-panel {
  padding: 20px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
  background: #fff;
}

th,
td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--soft-line);
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}

th {
  color: var(--ink);
  background: #f2f4f7;
  font-weight: 800;
}

td {
  color: #4b5563;
}

.status {
  display: inline-flex;
  padding: 4px 8px;
  color: #0f6b35;
  background: #effaf3;
  border: 1px solid #b9e4c8;
  border-radius: 4px;
  font-size: 12px;
}

.empty {
  padding: 34px;
  text-align: center;
  color: var(--muted);
  background: #fff;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}

.form-panel {
  padding: 22px;
  max-width: 780px;
}

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

.footer {
  color: rgba(255, 255, 255, 0.78);
  background: #23262b;
  padding: 32px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 24px;
}

.footer h3,
.footer h4 {
  color: #fff;
  margin: 0 0 12px;
}

.footer p,
.footer a {
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.8;
  font-size: 14px;
}

.footer a {
  display: block;
}

@media (max-width: 980px) {
  .header-main {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .main-nav {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .hero-grid,
  .about-grid,
  .detail-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .carousel {
    min-height: 360px;
  }

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

  .toolbar {
    grid-template-columns: 1fr 160px;
  }

  .admin-shell {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
  }

  .admin-sidebar h2 {
    width: 100%;
  }

  .admin-sidebar a {
    margin: 0;
  }
}

@media (max-width: 640px) {
  .wrap {
    width: min(100% - 22px, 1180px);
  }

  .top-strip .wrap,
  .section-title,
  .admin-title {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand-title {
    font-size: 18px;
  }

  .header-actions,
  .hero-actions {
    width: 100%;
  }

  .header-actions .btn,
  .hero-actions .btn {
    flex: 1;
  }

  .hero-grid {
    min-height: 0;
    padding-top: 24px;
  }

  .carousel {
    min-height: 300px;
  }

  .service-grid,
  .link-list,
  .facts,
  .photo-stack,
  .toolbar,
  .two-col {
    grid-template-columns: 1fr;
  }

  .detail-cover {
    height: 250px;
  }

  .auth-card {
    padding: 24px 18px;
  }

  .admin-content {
    padding: 20px 12px;
  }
}