/* roulang page: index */
:root {
  --primary: #1E2A38;
  --primary-light: #2C3E50;
  --accent: #B08A4F;
  --accent-light: rgba(176, 138, 79, 0.12);
  --accent-dark: #9A7842;
  --bg: #F5F1EA;
  --bg-soft: #EAE4DA;
  --text: #23272F;
  --text-weak: #6B7280;
  --border: #DDD5C8;
  --success: #2F5D50;
  --error: #B23A3A;
  --radius: 6px;
  --radius-lg: 12px;
  --radius-pill: 50px;
  --shadow-card: 0 8px 24px rgba(30, 42, 56, 0.08);
  --shadow-float: 0 16px 40px rgba(30, 42, 56, 0.12);
  --font-title: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --container: 1200px;
  --spacing-section: 96px;
  --spacing-section-md: 72px;
  --spacing-section-sm: 56px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul, ol { list-style: none; }

button, input, select, textarea {
  font: inherit;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}

button { cursor: pointer; }

::selection { background: var(--accent); color: #fff; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 4px;
  font-weight: 500;
  font-size: 15px;
  line-height: 1.4;
  white-space: nowrap;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: #fff !important;
}

.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(176, 138, 79, 0.28);
}

.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--primary);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--accent);
  color: #fff !important;
}

.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.btn:focus-visible,
.nav-pill:focus-visible,
.search-submit:focus-visible,
.solution-link:focus-visible,
.faq-question:focus-visible,
.modal-close:focus-visible,
.header-cta:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.header-top {
  background: var(--bg);
  border-bottom: 1px solid rgba(221, 213, 200, 0.5);
}

.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.brand {
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 1px;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.brand i {
  color: var(--accent);
  font-size: 20px;
}

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

.search-form {
  display: flex;
  align-items: center;
  background: var(--bg-soft);
  border-radius: var(--radius-pill);
  padding: 0 6px 0 16px;
  width: 220px;
  height: 40px;
  border: 1px solid transparent;
  transition: all var(--transition);
}

.search-form:focus-within {
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(176, 138, 79, 0.12);
}

.search-form input {
  flex: 1;
  font-size: 14px;
  color: var(--text);
  background: transparent;
  min-width: 0;
}

.search-form input::placeholder {
  color: var(--text-weak);
}

.search-submit {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-weak);
  transition: all var(--transition);
  background: transparent;
}

.search-submit:hover {
  color: var(--accent);
  background: var(--accent-light);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border-radius: 4px;
  background: var(--primary);
  color: #fff !important;
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
  gap: 6px;
}

.header-cta:hover {
  background: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(176, 138, 79, 0.28);
}

.header-nav {
  background: var(--bg-soft);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 48px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.nav-inner::-webkit-scrollbar {
  display: none;
}

.nav-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 20px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  background: transparent;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.nav-pill:hover {
  background: var(--accent-light);
  border-color: rgba(176, 138, 79, 0.35);
  color: var(--accent);
}

.nav-pill.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.nav-pill.active:hover {
  background: var(--primary);
  color: #fff;
}

/* ===== Hero ===== */
.hero {
  min-height: 520px;
  min-height: 70vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 72px 0 64px;
  background:
    linear-gradient(105deg, rgba(245, 241, 234, 0.95) 0%, rgba(245, 241, 234, 0.84) 55%, rgba(245, 241, 234, 0.62) 100%),
    url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
}

.hero-inner {
  max-width: 820px;
}

.hero-title {
  font-family: var(--font-title);
  font-size: 44px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-weak);
  max-width: 560px;
  line-height: 1.8;
  margin-bottom: 40px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.hero-stat .stat-num {
  font-family: var(--font-title);
  font-size: 34px;
  font-weight: 700;
  color: var(--accent);
}

.hero-stat .stat-unit {
  font-size: 16px;
  color: var(--text-weak);
}

.hero-stat .stat-label {
  font-size: 14px;
  color: var(--text-weak);
  margin-left: 4px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* ===== Section shared ===== */
.section {
  padding: var(--spacing-section) 0;
}

.section-header {
  margin-bottom: 48px;
  max-width: 720px;
}

.section-header.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
  background: var(--accent-light);
  padding: 4px 14px;
  border-radius: 50px;
}

.section-title {
  font-family: var(--font-title);
  font-size: 34px;
  line-height: 1.35;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-weak);
  line-height: 1.8;
}

/* ===== Solutions ===== */
.solutions-section {
  padding: var(--spacing-section) 0;
  background: var(--bg);
}

.solution-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 24px;
  align-items: stretch;
}

.solution-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
  position: relative;
}

.solution-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}

.solution-card-lg {
  grid-row: span 2;
}

.solution-card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  background: var(--bg-soft);
}

.solution-card-img-lg {
  height: 260px;
}

.solution-card-body {
  padding: 28px 30px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.solution-icon {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 18px;
  margin-bottom: 18px;
}

.solution-card h3 {
  font-family: var(--font-title);
  font-size: 21px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
  line-height: 1.4;
}

.solution-card p {
  font-size: 15px;
  color: var(--text-weak);
  line-height: 1.8;
  margin-bottom: 20px;
  flex: 1;
}

.solution-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.solution-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
  transition: all var(--transition);
}

.solution-link i {
  transition: transform var(--transition);
}

.solution-link:hover i {
  transform: translateX(4px);
}

/* ===== Stats ===== */
.stats-section {
  background:
    linear-gradient(rgba(30, 42, 56, 0.92), rgba(30, 42, 56, 0.94)),
    url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
  padding: 80px 0;
  color: #fff;
  position: relative;
}

.stats-section .section-title {
  color: #fff;
}

.stats-section .section-subtitle {
  color: rgba(255, 255, 255, 0.72);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.stat-item {
  text-align: center;
  padding: 36px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  transition: all var(--transition);
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(201, 163, 106, 0.4);
}

.stat-number {
  font-family: var(--font-title);
  font-size: 44px;
  font-weight: 700;
  color: #C9A36A;
  line-height: 1.2;
  margin-bottom: 8px;
}

.stat-number .unit {
  font-size: 22px;
  margin-left: 2px;
}

.stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: 1px;
}

/* ===== News ===== */
.news-section {
  padding: var(--spacing-section) 0;
  background: var(--bg-soft);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.news-item {
  display: flex;
  align-items: center;
  gap: 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 22px 28px;
  transition: all var(--transition);
}

.news-item:hover {
  box-shadow: var(--shadow-card);
  transform: translateX(4px);
  border-color: rgba(176, 138, 79, 0.4);
}

.news-item-body {
  flex: 1;
  min-width: 0;
}

.news-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-light);
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.news-item-title {
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.news-item-summary {
  font-size: 14px;
  color: var(--text-weak);
  margin-top: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.news-time {
  font-size: 13px;
  color: var(--text-weak);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}

.news-time i {
  color: var(--accent);
  font-size: 14px;
}

.news-empty {
  text-align: center;
  padding: 64px 24px;
  background: #fff;
  border: 1px dashed var(--border);
  border-radius: 8px;
}

.empty-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-weak);
  font-size: 20px;
  letter-spacing: 2px;
}

.news-empty p {
  color: var(--text-weak);
  font-size: 15px;
}

/* ===== Advantages ===== */
.advantages-section {
  padding: var(--spacing-section) 0;
  background: var(--bg);
}

.advantages-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.advantages-media {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.advantages-media img {
  width: 100%;
  height: 460px;
  object-fit: cover;
}

.advantages-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.advantage-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.advantage-icon {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 18px;
}

.advantage-text h3 {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}

.advantage-text p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.75;
}

/* ===== FAQ ===== */
.faq-section {
  padding: var(--spacing-section) 0;
  background: var(--bg-soft);
}

.faq-list {
  max-width: 840px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 12px;
  transition: all var(--transition);
  overflow: hidden;
}

.faq-item.active {
  background: var(--bg-soft);
  border-color: rgba(176, 138, 79, 0.4);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  text-align: left;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--accent);
}

.faq-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 18px;
  transition: transform var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 28px;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 28px 24px;
}

.faq-answer p {
  font-size: 15px;
  color: var(--text-weak);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* ===== CTA ===== */
.cta-section {
  padding: var(--spacing-section) 0;
  background:
    linear-gradient(rgba(30, 42, 56, 0.88), rgba(30, 42, 56, 0.9)),
    url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  color: #fff;
  text-align: center;
}

.cta-inner {
  max-width: 680px;
  margin: 0 auto;
}

.cta-inner .section-title {
  color: #fff;
}

.cta-inner .section-subtitle {
  color: rgba(255, 255, 255, 0.75);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.cta-buttons .btn-outline {
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}

.cta-buttons .btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.8);
  padding-top: 64px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand-name {
  font-family: var(--font-title);
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 3px;
  margin-bottom: 8px;
}

.footer-brand-sub {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
  max-width: 360px;
}

.footer-nav-title {
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 1px;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: all var(--transition);
}

.footer-nav a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.55);
}

.footer-bottom a:hover {
  color: var(--accent);
}

/* ===== Modal ===== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  visibility: hidden;
  opacity: 0;
  transition: all 0.3s ease;
}

.modal.open {
  visibility: visible;
  opacity: 1;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(30, 42, 56, 0.5);
  backdrop-filter: blur(2px);
}

.modal-box {
  position: relative;
  background: var(--bg);
  width: 100%;
  max-width: 560px;
  border-radius: 12px;
  padding: 36px;
  box-shadow: var(--shadow-float);
  transform: translateY(20px) scale(0.97);
  transition: all 0.3s ease;
  max-height: 90vh;
  overflow-y: auto;
}

.modal.open .modal-box {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-soft);
  color: var(--text-weak);
  font-size: 18px;
  transition: all var(--transition);
}

.modal-close:hover {
  background: var(--accent);
  color: #fff;
}

.modal-box h3 {
  font-family: var(--font-title);
  font-size: 24px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}

.modal-box .modal-sub {
  font-size: 14px;
  color: var(--text-weak);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0 14px;
  font-size: 14px;
  color: var(--text);
  background: #fff;
  transition: all var(--transition);
}

.form-textarea {
  height: 100px;
  padding: 12px 14px;
  resize: vertical;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(176, 138, 79, 0.12);
  outline: none;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' viewBox='0 0 12 8'%3E%3Cpath fill='%236B7280' d='M1 1l5 5 5-5H1z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.privacy-note {
  font-size: 12px;
  color: var(--text-weak);
  margin-top: 12px;
  line-height: 1.6;
}

.modal-submit {
  width: 100%;
  height: 46px;
  margin-top: 20px;
  background: var(--primary);
  color: #fff;
  border-radius: 6px;
  font-weight: 500;
  font-size: 15px;
  transition: all var(--transition);
}

.modal-submit:hover {
  background: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(176, 138, 79, 0.3);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  :root {
    --spacing-section: 72px;
  }

  .hero-title {
    font-size: 38px;
  }

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

  .solution-card-lg {
    grid-row: auto;
  }

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

  .advantages-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .advantages-media img {
    height: 360px;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-section: 56px;
  }

  .header-top-inner {
    height: 64px;
  }

  .brand {
    font-size: 18px;
  }

  .search-form {
    display: none;
  }

  .hero {
    min-height: 480px;
    padding: 56px 0;
  }

  .hero-title {
    font-size: 30px;
    line-height: 1.35;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .hero-stats {
    gap: 24px;
    padding-top: 24px;
  }

  .hero-stat {
    flex-wrap: wrap;
  }

  .section-title {
    font-size: 28px;
  }

  .news-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 20px;
  }

  .news-time {
    align-self: flex-end;
  }

  .news-item-summary {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .modal-box {
    padding: 28px 20px;
  }

  .cta-buttons .btn {
    width: 100%;
  }
}

@media (max-width: 520px) {
  :root {
    --spacing-section: 48px;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand {
    font-size: 16px;
  }

  .header-cta {
    padding: 8px 16px;
    font-size: 13px;
  }

  .hero {
    padding: 40px 0;
    min-height: auto;
  }

  .hero-title {
    font-size: 26px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .hero-stats {
    gap: 16px;
    flex-direction: column;
    align-items: flex-start;
  }

  .section-title {
    font-size: 24px;
  }

  .solution-card-body {
    padding: 20px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .stat-item {
    padding: 24px 12px;
  }

  .stat-number {
    font-size: 34px;
  }

  .faq-question {
    padding: 18px 16px;
    font-size: 15px;
  }

  .faq-answer {
    padding: 0 16px;
  }

  .faq-item.active .faq-answer {
    padding: 0 16px 20px;
  }

  .advantages-media img {
    height: 260px;
  }

  .modal {
    padding: 12px;
  }

  .modal-box {
    padding: 24px 16px;
  }
}

/* roulang page: category1 */
:root{
  --primary:#1e2a38;
  --accent:#b08a4f;
  --accent-dark:#94743e;
  --accent-soft:rgba(176,138,79,.12);
  --bg:#f5f1ea;
  --bg-alt:#eae4da;
  --text:#23272f;
  --text-weak:#6b7280;
  --border:#ddd5c8;
  --success:#2f5d50;
  --error:#b23a3a;
  --white:#fff;
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC',Georgia,'Times New Roman',serif;
  --font-sans:'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --radius-sm:4px;
  --radius-md:8px;
  --radius-lg:12px;
  --shadow:0 2px 12px rgba(30,42,56,.06);
  --shadow-lg:0 8px 24px rgba(30,42,56,.08);
  --container:1200px;
  --spacing:96px;
  --spacing-m:72px;
  --spacing-s:56px;
  --header-top-h:68px;
  --header-nav-h:48px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:14px;color:var(--text)}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--spacing) 0}
@media(max-width:1024px){.section{padding:var(--spacing-m) 0}}
@media(max-width:768px){.section{padding:var(--spacing-s) 0}}

/* Button */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:500;line-height:1.4;
  transition:all .2s ease;outline:none;
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:var(--primary);color:var(--white)}
.btn-primary:hover{background:var(--accent);transform:translateY(-1px)}
.btn-outline{background:transparent;border:1px solid var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:var(--white);transform:translateY(-1px)}
.btn-block{width:100%}

/* Section head */
.section-head{
  text-align:center;max-width:640px;margin:0 auto 56px;
}
.section-tag{
  display:inline-block;font-size:13px;color:var(--accent);
  background:var(--accent-soft);padding:4px 14px;border-radius:999px;
  letter-spacing:.5px;margin-bottom:14px;
}
.section-head h2{
  font-family:var(--font-serif);font-size:34px;font-weight:700;
  color:var(--primary);line-height:1.3;margin-bottom:14px;
}
.section-head p{
  font-size:16px;color:var(--text-weak);line-height:1.7;
}
@media(max-width:768px){.section-head h2{font-size:26px}}

/* Header */
.site-header{position:sticky;top:0;z-index:100;box-shadow:0 1px 4px rgba(30,42,56,.06)}
.header-top{background:var(--bg);height:var(--header-top-h);border-bottom:1px solid var(--border)}
.header-top-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{
  font-family:var(--font-serif);font-size:22px;font-weight:900;color:var(--primary);
  display:inline-flex;align-items:center;gap:10px;letter-spacing:.5px;
}
.brand i{color:var(--accent);font-size:19px}
.header-actions{display:flex;align-items:center;gap:12px}
.search-form{
  display:flex;align-items:center;background:var(--white);
  border:1px solid var(--border);border-radius:50px;
  padding:0 4px 0 16px;width:230px;height:38px;
  transition:border-color .2s;
}
.search-form:focus-within{border-color:var(--accent)}
.search-form input{
  flex:1;border:none;background:transparent;outline:none;font-size:13px;
}
.search-submit{
  width:30px;height:30px;border-radius:50%;
  background:var(--primary);color:var(--white);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;transition:background .2s;
}
.search-submit:hover{background:var(--accent)}
.header-cta{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--primary);color:var(--white);
  padding:9px 18px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;
  transition:background .2s,transform .2s;
}
.header-cta:hover{background:var(--accent);transform:translateY(-1px)}
.header-cta:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.header-nav{background:var(--bg-alt);height:var(--header-nav-h);border-bottom:1px solid var(--border)}
.nav-inner{
  height:100%;display:flex;align-items:center;gap:8px;
  overflow-x:auto;scrollbar-width:none;
}
.nav-inner::-webkit-scrollbar{display:none}
.nav-pill{
  display:inline-flex;align-items:center;justify-content:center;
  padding:0 20px;height:32px;border-radius:50px;
  background:transparent;color:var(--text);font-size:14px;font-weight:500;
  white-space:nowrap;transition:all .2s;border:1px solid transparent;
}
.nav-pill:hover{color:var(--accent);border-color:var(--accent);text-decoration:none}
.nav-pill.active{background:var(--primary);color:var(--white)}
.nav-pill.active:hover{border-color:var(--primary);color:var(--white)}
@media(max-width:768px){
  .search-form{display:none}
  .header-cta span{display:none}
  .header-cta{padding:9px 12px}
  .brand{font-size:18px}
  .brand i{font-size:16px}
  .nav-inner{gap:6px}
  .nav-pill{padding:0 16px;font-size:13px}
}

/* Hero */
.category-hero{
  position:relative;
  min-height:620px;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  display:flex;align-items:center;
  padding:96px 0;
}
.category-hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(245,241,234,.95) 0%,rgba(245,241,234,.85) 45%,rgba(245,241,234,.55) 100%);
}
.hero-container{position:relative;z-index:2;max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
.hero-eyebrow{
  display:inline-block;font-size:13px;letter-spacing:1px;
  color:var(--accent);background:var(--accent-soft);
  padding:5px 16px;border-radius:999px;margin-bottom:20px;
}
.category-hero h1{
  font-family:var(--font-serif);font-size:52px;font-weight:900;
  line-height:1.2;color:var(--primary);margin-bottom:20px;max-width:680px;
}
.hero-subtitle{
  font-size:18px;color:var(--text-weak);line-height:1.8;
  max-width:560px;margin-bottom:34px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px}
.hero-stats{
  display:flex;gap:48px;padding-top:32px;border-top:1px solid var(--border);
}
.hero-stat{display:flex;flex-direction:column;align-items:flex-start}
.hero-stat strong{
  font-family:var(--font-serif);font-size:36px;font-weight:700;color:var(--accent);
  line-height:1.1;
}
.hero-stat span{font-size:14px;color:var(--text-weak);margin-left:2px;margin-top:2px}
.hero-stat p{font-size:14px;color:var(--text-weak);margin-top:6px;font-weight:500}
@media(max-width:1024px){
  .category-hero{min-height:540px}
  .category-hero h1{font-size:42px}
}
@media(max-width:768px){
  .category-hero{padding:64px 0}
  .category-hero h1{font-size:30px;line-height:1.3}
  .hero-subtitle{font-size:16px}
  .hero-stats{gap:32px;flex-wrap:wrap}
  .hero-stat{flex:1 1 auto;min-width:90px}
  .hero-stat strong{font-size:28px}
}

/* Services */
.service-section{background:var(--bg)}
.service-grid{
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;
}
.service-card{
  background:var(--white);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:36px;
  transition:box-shadow .25s,transform .25s;
  display:flex;flex-direction:column;
}
.service-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.service-card:first-child{grid-column:span 2;grid-row:span 1;background:var(--primary);border-color:var(--primary)}
.service-card:first-child .service-icon{background:rgba(255,255,255,.1);color:var(--accent)}
.service-card:first-child h3{color:var(--white)}
.service-card:first-child p{color:rgba(255,255,255,.78)}
.service-card:first-child .text-link{color:var(--accent)}
.service-icon{
  width:56px;height:56px;border-radius:var(--radius-md);
  background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:22px;
  margin-bottom:22px;
}
.service-card h3{
  font-family:var(--font-serif);font-size:22px;font-weight:700;
  color:var(--primary);margin-bottom:12px;
}
.service-card p{
  font-size:15px;color:var(--text-weak);line-height:1.7;flex:1;margin-bottom:18px;
}
.service-feat{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.service-feat li{
  font-size:13px;color:var(--text-weak);background:var(--bg-alt);
  padding:4px 12px;border-radius:999px;
}
.service-card:first-child .service-feat li{background:rgba(255,255,255,.1);color:rgba(255,255,255,.8)}
.text-link{
  font-size:14px;font-weight:500;color:var(--primary);
  display:inline-flex;align-items:center;gap:6px;transition:color .2s;
}
.text-link i{transition:transform .2s}
.text-link:hover{color:var(--accent)}
.text-link:hover i{transform:translateX(3px)}
@media(max-width:1024px){
  .service-grid{grid-template-columns:1fr 1fr}
  .service-card:first-child{grid-column:span 2}
}
@media(max-width:768px){
  .service-grid{grid-template-columns:1fr}
  .service-card:first-child{grid-column:span 1}
  .service-card{padding:28px}
}

/* Image text */
.image-text-section{background:var(--bg-alt)}
.image-text-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
}
.image-text-media{
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);
}
.image-text-media img{width:100%;height:480px;object-fit:cover}
.image-text-content .section-tag{margin-bottom:12px}
.image-text-content h2{
  font-family:var(--font-serif);font-size:34px;font-weight:700;
  color:var(--primary);line-height:1.3;margin-bottom:16px;
}
.image-text-content>p{
  font-size:15px;color:var(--text-weak);line-height:1.8;margin-bottom:32px;
}
.process-list{list-style:none}
.process-list li{
  display:flex;gap:20px;padding:20px 0;border-bottom:1px solid var(--border);
}
.process-list li:last-child{border-bottom:none}
.process-num{
  font-family:var(--font-serif);font-size:18px;font-weight:700;color:var(--accent);
  line-height:1.4;min-width:40px;
}
.process-list strong{
  font-family:var(--font-serif);font-size:18px;font-weight:700;color:var(--primary);
  display:block;margin-bottom:6px;
}
.process-list p{font-size:14px;color:var(--text-weak);line-height:1.7}
@media(max-width:1024px){
  .image-text-inner{grid-template-columns:1fr;gap:36px}
  .image-text-media img{height:360px}
}
@media(max-width:768px){
  .image-text-content h2{font-size:26px}
  .process-list li{gap:14px;padding:16px 0}
}

/* Content list */
.content-section{background:var(--bg)}
.content-list{
  display:flex;flex-direction:column;gap:16px;max-width:960px;margin:0 auto;
}
.content-item{
  display:flex;align-items:center;gap:24px;
  background:var(--white);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:24px 28px;
  transition:box-shadow .25s,transform .25s,border-color .25s;
}
.content-item:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);border-color:var(--accent)}
.content-cat{
  flex-shrink:0;font-size:13px;color:var(--accent);
  background:var(--accent-soft);padding:4px 12px;border-radius:var(--radius-sm);
  font-weight:500;
}
.content-info{flex:1;min-width:0}
.content-info h3{
  font-family:var(--font-serif);font-size:18px;font-weight:600;color:var(--primary);
  line-height:1.4;margin-bottom:6px;transition:color .2s;
}
.content-item:hover .content-info h3{color:var(--accent)}
.content-info p{
  font-size:14px;color:var(--text-weak);line-height:1.6;
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;
  -webkit-line-clamp:1;-webkit-box-orient:vertical;
}
.content-meta{
  flex-shrink:0;font-size:13px;color:var(--text-weak);
  white-space:nowrap;
}
@media(max-width:768px){
  .content-item{flex-direction:column;align-items:flex-start;gap:12px;padding:20px}
  .content-meta{align-self:flex-end}
  .content-info p{-webkit-line-clamp:2}
}

/* Stats */
.stats-section{
  background:var(--primary);padding:72px 0;
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.stat-card{text-align:center;padding:32px 16px}
.stat-card strong{
  font-family:var(--font-serif);font-size:52px;font-weight:700;
  color:#c9a36a;line-height:1.1;display:inline-block;
}
.stat-card span{
  font-size:18px;color:rgba(255,255,255,.75);margin-left:4px;
}
.stat-card p{
  font-size:14px;color:rgba(255,255,255,.65);
  margin-top:10px;letter-spacing:.5px;
}
@media(max-width:1024px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .stats-section{padding:56px 0}
  .stat-card strong{font-size:40px}
}

/* FAQ */
.faq-section{background:var(--bg)}
.faq-list{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.faq-item{
  background:var(--white);border:1px solid var(--border);
  border-radius:var(--radius-md);overflow:hidden;transition:background .25s,border-color .25s;
}
.faq-item.active{background:var(--bg-alt);border-color:var(--accent)}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:500;color:var(--primary);
  text-align:left;transition:color .2s;
}
.faq-question:hover{color:var(--accent)}
.faq-question:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.faq-question i{
  font-size:14px;color:var(--accent);transition:transform .25s;flex-shrink:0;
}
.faq-item.active .faq-question i{transform:rotate(45deg)}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.faq-item.active .faq-answer{max-height:400px}
.faq-answer p{
  padding:0 24px 22px;font-size:15px;color:var(--text-weak);line-height:1.8;
}

/* CTA */
.cta-section{background:var(--bg)}
.cta-box{
  background:linear-gradient(135deg,#1e2a38 0%,#2a3a4c 100%);
  border-radius:var(--radius-lg);padding:64px 48px;text-align:center;
  position:relative;overflow:hidden;
}
.cta-box::after{
  content:'';position:absolute;top:-40px;right:-40px;width:200px;height:200px;
  border-radius:50%;background:rgba(176,138,79,.12);
}
.cta-box h2{
  font-family:var(--font-serif);font-size:32px;font-weight:700;color:var(--white);
  margin-bottom:14px;position:relative;z-index:1;
}
.cta-box p{
  font-size:16px;color:rgba(255,255,255,.75);max-width:520px;margin:0 auto 30px;
  line-height:1.7;position:relative;z-index:1;
}
.cta-box .btn{position:relative;z-index:1}
@media(max-width:768px){
  .cta-box{padding:44px 24px}
  .cta-box h2{font-size:26px}
}

/* Footer */
.site-footer{background:var(--primary);color:rgba(255,255,255,.8);padding:64px 0 0}
.footer-inner{
  display:grid;grid-template-columns:1.6fr 1fr;gap:48px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand-name{
  font-family:var(--font-serif);font-size:28px;font-weight:700;
  color:var(--white);letter-spacing:2px;margin-bottom:6px;
}
.footer-brand-sub{
  font-size:14px;color:var(--accent);letter-spacing:1px;margin-bottom:18px;
}
.footer-desc{
  font-size:14px;line-height:1.8;color:rgba(255,255,255,.65);
  max-width:420px;
}
.footer-nav-title{
  font-size:15px;font-weight:600;color:var(--white);margin-bottom:16px;
}
.footer-nav{display:flex;flex-direction:column;gap:10px}
.footer-nav a{
  font-size:14px;color:rgba(255,255,255,.7);
  transition:color .2s;display:inline-flex;align-items:center;gap:8px;
}
.footer-nav a::before{content:'›';color:var(--accent)}
.footer-nav a:hover{color:var(--accent)}
.footer-bottom{
  padding:24px 0;font-size:13px;color:rgba(255,255,255,.5);
  text-align:center;
}
.footer-bottom a{color:rgba(255,255,255,.6);transition:color .2s}
.footer-bottom a:hover{color:var(--accent)}
@media(max-width:768px){
  .footer-inner{grid-template-columns:1fr;gap:32px}
  .footer-desc{max-width:100%}
}

/* Modal */
.modal-overlay{
  position:fixed;inset:0;z-index:200;
  background:rgba(30,42,56,.5);
  display:flex;align-items:center;justify-content:center;
  padding:24px;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;
}
.modal-overlay.is-open{opacity:1;visibility:visible}
.modal-box{
  background:var(--white);border-radius:var(--radius-lg);
  max-width:560px;width:100%;padding:32px 28px;
  position:relative;transform:translateY(20px);transition:transform .3s;
  max-height:90vh;overflow-y:auto;
}
.modal-overlay.is-open .modal-box{transform:translateY(0)}
.modal-close{
  position:absolute;top:16px;right:16px;
  width:32px;height:32px;border-radius:50%;
  background:var(--bg-alt);color:var(--text);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;transition:background .2s,color .2s;
}
.modal-close:hover{background:var(--accent);color:var(--white)}
.modal-box h3{
  font-family:var(--font-serif);font-size:24px;font-weight:700;
  color:var(--primary);margin-bottom:8px;
}
.modal-box>p{font-size:14px;color:var(--text-weak);margin-bottom:24px}
.modal-form .form-group{margin-bottom:18px}
.modal-form label{
  display:block;font-size:14px;font-weight:500;color:var(--text);
  margin-bottom:6px;
}
.modal-form input,.modal-form select,.modal-form textarea{
  width:100%;height:44px;border:1px solid var(--border);
  border-radius:6px;padding:0 14px;font-size:14px;
  background:var(--bg);transition:border-color .2s,background .2s;
  outline:none;
}
.modal-form textarea{height:auto;padding:12px 14px;resize:vertical}
.modal-form input:focus,.modal-form select:focus,.modal-form textarea:focus{
  border-color:var(--accent);background:var(--white);
}
.form-privacy{
  font-size:12px;color:var(--text-weak);line-height:1.6;
  margin:16px 0;padding-top:12px;border-top:1px solid var(--border);
}
@media(max-width:480px){
  .modal-box{padding:24px 18px}
}

/* Utility */
.no-scroll{overflow:hidden}

/* roulang page: article */
:root{
  --font-serif:"Noto Serif SC","Source Han Serif SC","STSong","SimSun",serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --primary:#1E2A38;
  --primary-light:#2A3A4C;
  --accent:#B08A4F;
  --accent-light:#C9A36A;
  --bg:#F5F1EA;
  --bg-alt:#EAE4DA;
  --text:#23272F;
  --text-weak:#6B7280;
  --border:#DDD5C8;
  --success:#2F5D50;
  --error:#B23A3A;
  --radius-sm:4px;
  --radius-md:8px;
  --radius-lg:12px;
  --shadow-sm:0 2px 8px rgba(30,42,56,.05);
  --shadow-hover:0 8px 24px rgba(30,42,56,.08);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea,select{font-family:inherit;font-size:inherit}
ul,ol{list-style-position:inside}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.site-header{position:sticky;top:0;z-index:100}
.header-top{background:var(--bg);border-bottom:1px solid var(--border)}
.header-top-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-serif);font-weight:700;font-size:24px;color:var(--primary);white-space:nowrap}
.brand i{color:var(--accent);font-size:22px}
.header-actions{display:flex;align-items:center;gap:12px}
.search-form{position:relative}
.search-form input{width:200px;height:40px;border-radius:50px;border:1px solid var(--border);background:#fff;padding:0 40px 0 16px;font-size:14px;color:var(--text);outline:none;transition:border-color .2s,box-shadow .2s}
.search-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(176,138,79,.14)}
.search-submit{position:absolute;right:4px;top:4px;width:32px;height:32px;border-radius:50%;background:transparent;color:var(--text-weak);display:flex;align-items:center;justify-content:center;transition:color .2s,background .2s}
.search-submit:hover{background:var(--bg-alt);color:var(--accent)}
.header-cta{height:40px;padding:0 18px;border-radius:var(--radius-sm);background:var(--primary);color:#fff;font-size:14px;display:flex;align-items:center;gap:8px;transition:background .2s,transform .2s}
.header-cta:hover{background:var(--accent);transform:translateY(-1px)}
.header-cta:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.header-nav{background:var(--bg-alt);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none}
.nav-inner::-webkit-scrollbar{display:none}
.nav-pill{display:inline-flex;align-items:center;padding:0 18px;height:32px;border-radius:50px;font-size:14px;color:var(--primary);background:rgba(255,255,255,.6);border:1px solid transparent;white-space:nowrap;transition:all .2s}
.nav-pill:hover{border-color:var(--accent);color:var(--accent)}
.nav-pill.active{background:var(--primary);color:#fff}
.page-hero{position:relative;background-color:var(--primary);background-size:cover;background-position:center;color:#fff}
.hero-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(30,42,56,.9) 0%,rgba(30,42,56,.62) 55%,rgba(30,42,56,.35) 100%)}
.page-hero .container{position:relative;padding-top:56px;padding-bottom:64px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.78);transition:color .2s}
.breadcrumb a:hover{color:var(--accent-light)}
.breadcrumb .sep{opacity:.5}
.article-hero-title{font-family:var(--font-serif);font-size:38px;line-height:1.3;max-width:820px;margin-bottom:16px;font-weight:700}
.article-hero-meta{display:flex;align-items:center;gap:14px;font-size:14px;color:rgba(255,255,255,.85);flex-wrap:wrap}
.article-hero-meta .badge{background:rgba(176,138,79,.22);color:#E7C898;border:1px solid rgba(176,138,79,.5);padding:4px 12px;border-radius:var(--radius-sm);font-size:13px}
.article-hero-meta time{display:inline-flex;align-items:center;gap:6px}
.article-hero-summary{max-width:760px;margin-top:18px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.82)}
.article-section{padding:64px 0}
.article-main{max-width:860px;margin:0 auto}
.article-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:56px;font-size:17px;line-height:1.9}
.article-content h2{font-family:var(--font-serif);font-size:28px;margin:40px 0 16px;padding-bottom:8px;border-bottom:2px solid var(--bg-alt)}
.article-content h3{font-family:var(--font-serif);font-size:22px;margin:32px 0 12px}
.article-content h4{font-family:var(--font-serif);font-size:18px;margin:24px 0 10px}
.article-content p{margin-bottom:20px}
.article-content a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.article-content blockquote{margin:24px 0;padding:16px 24px;border-left:4px solid var(--accent);background:var(--bg);color:var(--text-weak)}
.article-content ul,.article-content ol{margin:16px 0 24px;padding-left:1.5em}
.article-content li{margin-bottom:8px}
.article-content img{border-radius:var(--radius-md);margin:24px 0}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-content th,.article-content td{border:1px solid var(--border);padding:10px 14px;text-align:left}
.article-content th{background:var(--bg);font-weight:600}
.article-content pre{background:#1E2A38;color:#F5F1EA;padding:16px;border-radius:var(--radius-sm);overflow-x:auto;margin:24px 0;font-size:14px;line-height:1.7}
.article-content code{background:var(--bg-alt);padding:2px 6px;border-radius:4px;font-size:14px}
.related-section{margin-top:64px}
.related-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.related-head h2{font-family:var(--font-serif);font-size:26px}
.related-more{font-size:14px;color:var(--accent);display:inline-flex;align-items:center;gap:6px;transition:color .2s}
.related-more:hover{color:var(--primary)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{display:block;border:1px solid var(--border);background:#fff;border-radius:var(--radius-sm);padding:28px;transition:transform .2s,box-shadow .2s,border-color .2s}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--accent)}
.related-date{font-size:13px;color:var(--text-weak)}
.related-card h3{font-family:var(--font-serif);font-size:17px;margin:12px 0 10px;line-height:1.5;color:var(--text)}
.related-card p{font-size:14px;color:var(--text-weak);line-height:1.7}
.related-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--accent);margin-top:12px;font-weight:600}
.related-card:hover .related-link{gap:10px}
.related-link i{transition:transform .2s}
.related-card:hover .related-link i{transform:translateX(2px)}
.article-back{margin-top:40px;display:flex;justify-content:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--radius-sm);font-size:15px;transition:background .2s,transform .2s,color .2s,border-color .2s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--accent);color:#fff}
.btn-outline{background:transparent;border:1px solid var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-gold{background:var(--accent);color:#fff}
.btn-gold:hover{background:var(--accent-light);transform:translateY(-1px)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.empty-state{text-align:center;padding:100px 24px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-md)}
.empty-state i{font-size:44px;color:var(--accent);opacity:.6;margin-bottom:16px}
.empty-state p{font-size:18px;color:var(--text-weak);margin-bottom:24px}
.cta-section{background:var(--primary);color:#fff;padding:72px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-section h2{font-family:var(--font-serif);font-size:28px;margin-bottom:10px}
.cta-section p{color:rgba(255,255,255,.75);font-size:15px}
.site-footer{background:var(--primary);color:rgba(255,255,255,.8);padding:56px 0 0}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr;gap:48px;padding-bottom:40px}
.footer-brand-name{font-family:var(--font-serif);font-size:28px;color:#fff;letter-spacing:.04em}
.footer-brand-sub{color:var(--accent-light);margin-top:6px}
.footer-desc{font-size:14px;color:rgba(255,255,255,.65);max-width:420px;margin-top:16px;line-height:1.7}
.footer-nav-title{font-size:15px;color:#fff;margin-bottom:16px}
.footer-nav{display:flex;flex-direction:column;gap:10px}
.footer-nav a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s}
.footer-nav a:hover{color:var(--accent-light)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:13px;color:rgba(255,255,255,.5);text-align:center}
.footer-bottom a{color:rgba(255,255,255,.7);text-decoration:underline}
.modal{position:fixed;inset:0;z-index:999;display:none;align-items:center;justify-content:center}
.modal.is-open{display:flex}
.modal-mask{position:absolute;inset:0;background:rgba(30,42,56,.5)}
.modal-panel{position:relative;background:var(--bg);width:100%;max-width:560px;border-radius:var(--radius-lg);padding:32px;box-shadow:0 20px 60px rgba(30,42,56,.2)}
.modal-close{position:absolute;top:16px;right:16px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;color:var(--text-weak);transition:background .2s,color .2s}
.modal-close:hover{background:var(--bg-alt);color:var(--text)}
.modal-panel h3{font-family:var(--font-serif);font-size:24px;margin-bottom:6px}
.modal-sub{font-size:14px;color:var(--text-weak);margin-bottom:24px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{width:100%;height:44px;border-radius:var(--radius-sm);border:1px solid var(--border);background:#fff;padding:0 14px;font-size:15px;transition:border-color .2s,box-shadow .2s}
.form-group textarea{height:96px;padding:10px 14px;resize:vertical}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(176,138,79,.14)}
.form-submit{width:100%;height:46px;margin-top:8px}
.form-privacy{font-size:12px;color:var(--text-weak);margin-top:12px;text-align:center;line-height:1.6}
.form-success{text-align:center;padding:24px 0}
.form-success i{font-size:42px;color:var(--success);margin-bottom:16px}
.form-success h3{font-family:var(--font-serif);font-size:22px;margin-bottom:8px}
.form-success p{font-size:14px;color:var(--text-weak);margin-bottom:24px}
@media (max-width:1024px){
  .footer-inner{grid-template-columns:1fr;gap:32px}
  .related-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .header-top-inner{height:62px}
  .search-form{display:none}
  .page-hero .container{padding-top:40px;padding-bottom:44px}
  .article-hero-title{font-size:30px}
  .article-section{padding:48px 0}
  .article-content{padding:32px 24px;font-size:16px}
  .related-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-btn{width:100%}
  .cta-section{padding:56px 0}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand{font-size:18px}
  .brand i{font-size:18px}
  .header-top-inner{height:56px}
  .header-cta{padding:0 12px;height:36px;font-size:13px}
  .header-cta i{display:none}
  .article-hero-title{font-size:26px}
  .article-hero-summary{font-size:15px}
  .article-content{padding:20px 16px;font-size:16px}
  .related-card{padding:20px}
  .modal-panel{padding:20px;margin:0 16px}
  .article-back .btn{width:100%}
}