/* roulang page: index */
:root {
  --primary: #0B2F2E;
  --primary-light: #14413F;
  --gold: #C5A059;
  --gold-dark: #B08E45;
  --gold-light: #F7F3EA;
  --bg: #FAF8F4;
  --bg-alt: #F1EFE8;
  --white: #FFFFFF;
  --text: #1F2A28;
  --text-light: #5A6663;
  --text-lighter: #8A9491;
  --border: #E2DED4;
  --accent: #C05B3C;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 24px rgba(11,47,46,0.08);
  --shadow-sm: 0 2px 10px rgba(11,47,46,0.05);
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: 15px;
  color: inherit;
}

section[id],
div[id] {
  scroll-margin-top: 84px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background 0.3s, color 0.3s, border-color 0.3s, transform 0.15s, box-shadow 0.3s;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-gold {
  background: var(--gold);
  color: var(--primary);
}

.btn-gold:hover {
  background: var(--gold-dark);
  color: var(--white);
  box-shadow: 0 6px 18px rgba(197,160,89,0.35);
}

.btn-outline-light {
  background: transparent;
  border-color: var(--gold);
  color: #fff;
}

.btn-outline-light:hover {
  background: rgba(197,160,89,0.14);
  border-color: var(--gold);
  color: #fff;
}

.btn-lg {
  padding: 17px 36px;
  font-size: 16px;
  border-radius: var(--radius-md);
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background 0.35s, box-shadow 0.35s, border-color 0.35s;
  color: #fff;
}

.site-header.scrolled {
  background: var(--bg);
  border-bottom-color: var(--gold);
  box-shadow: 0 4px 16px rgba(11,47,46,0.06);
  color: var(--primary);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-icon {
  display: inline-flex;
  color: var(--gold);
}

.brand-text {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: color 0.3s;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255,255,255,0.88);
  padding: 6px 0;
  transition: color 0.3s;
}

.site-header.scrolled .nav-link {
  color: var(--text);
}

.nav-link:hover {
  color: var(--gold);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s;
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-link.active {
  color: var(--gold);
}

.nav-cta {
  padding: 12px 22px;
  font-size: 14px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: var(--radius-sm);
  transition: border-color 0.3s;
}

.site-header.scrolled .hamburger {
  border-color: var(--border);
}

.hamburger span {
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.3s, opacity 0.3s;
}

/* ===== Mobile Drawer ===== */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(420px, 88vw);
  background: var(--bg);
  z-index: 220;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  padding: 32px 28px;
  box-shadow: -12px 0 32px rgba(11,47,46,0.18);
  overflow-y: auto;
}

.mobile-drawer.open {
  transform: translateX(0);
}

.drawer-close {
  align-self: flex-end;
  background: none;
  border: none;
  font-size: 34px;
  line-height: 1;
  color: var(--primary);
  width: 44px;
  height: 44px;
  cursor: pointer;
  transition: color 0.3s, transform 0.2s;
}

.drawer-close:hover {
  color: var(--gold-dark);
  transform: rotate(90deg);
}

.drawer-nav {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
}

.drawer-link {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--primary);
  padding: 16px 8px;
  border-bottom: 1px solid var(--border);
  transition: color 0.3s, padding-left 0.3s, border-color 0.3s;
}

.drawer-link:hover {
  color: var(--gold-dark);
  padding-left: 18px;
}

.drawer-link.active {
  color: var(--gold-dark);
  padding-left: 18px;
  border-left: 3px solid var(--gold);
}

.drawer-extra {
  margin-top: auto;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  color: var(--text-light);
  font-size: 14px;
  line-height: 2.1;
}

.drawer-extra strong {
  color: var(--primary);
  font-weight: 600;
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11,47,46,0.5);
  z-index: 160;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.drawer-backdrop.show {
  opacity: 1;
  visibility: visible;
}

body.drawer-open {
  overflow: hidden;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background-color: var(--primary);
  background-image: linear-gradient(
    105deg,
    rgba(11,47,46,0.93) 0%,
    rgba(11,47,46,0.74) 38%,
    rgba(11,47,46,0.38) 70%,
    rgba(11,47,46,0.1) 100%
  ), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center 28%;
  padding: 160px 0 120px;
  overflow: hidden;
}

.hero-inner {
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(197,160,89,0.45);
  color: #F2E9D7;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: 999px;
  padding: 8px 18px;
  margin-bottom: 28px;
  backdrop-filter: blur(4px);
}

.hero-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(197,160,89,0.25);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 54px;
  font-weight: 900;
  line-height: 1.25;
  color: #fff;
  letter-spacing: 0.01em;
}

.hero-subtitle {
  margin-top: 22px;
  font-size: 18px;
  line-height: 1.9;
  color: rgba(255,255,255,0.86);
  max-width: 620px;
}

.hero-actions {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-hint {
  margin-top: 28px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-hint::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--gold);
}

/* ===== Metrics ===== */
.metrics-section {
  position: relative;
  z-index: 5;
  margin-top: -56px;
}

.metrics-bar {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
}

.metric-item {
  padding: 42px 20px;
  text-align: center;
  position: relative;
}

.metric-item + .metric-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 48px;
  background: var(--border);
}

.metric-num {
  font-family: var(--font-serif);
  font-size: 46px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.2;
}

.metric-label {
  margin-top: 8px;
  font-size: 14px;
  color: var(--primary);
  letter-spacing: 0.08em;
  font-weight: 500;
}

/* ===== Section Common ===== */
.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-head {
  max-width: 740px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-eyebrow {
  display: inline-block;
  background: var(--gold-light);
  color: var(--gold-dark);
  border-radius: 999px;
  padding: 6px 18px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.35;
}

.section-sub {
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-light);
}

/* ===== Services ===== */
.services-block {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.services-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.services-row.offset {
  padding-left: 60px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s, box-shadow 0.35s, border-color 0.35s;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--gold);
  box-shadow: var(--shadow);
}

.service-cover {
  height: 215px;
  overflow: hidden;
  background: var(--bg-alt);
}

.service-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s;
}

.service-card:hover .service-cover img {
  transform: scale(1.06);
}

.service-body {
  padding: 30px 28px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.service-no {
  font-size: 13px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.14em;
}

.service-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  margin: 8px 0 10px;
}

.service-desc {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.75;
  flex: 1;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: color 0.3s;
}

.service-link .arrow {
  transition: transform 0.3s;
}

.service-card:hover .service-link {
  color: var(--gold-dark);
}

.service-card:hover .service-link .arrow {
  transform: translateX(5px);
}

/* ===== Compare ===== */
.compare-wrap {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: stretch;
}

.compare-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 42px 38px;
  box-shadow: var(--shadow-sm);
}

.compare-card.featured {
  background: var(--primary);
  border: 1px solid var(--gold);
  color: #fff;
  position: relative;
}

.compare-card.featured::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(197,160,89,0.35);
  border-radius: var(--radius-md);
  pointer-events: none;
}

.compare-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.compare-card.featured .compare-title {
  color: #fff;
}

.compare-sub {
  font-size: 13px;
  color: var(--text-lighter);
  margin-bottom: 18px;
}

.compare-card.featured .compare-sub {
  color: rgba(255,255,255,0.55);
}

.compare-list {
  list-style: none;
  margin-top: 14px;
}

.compare-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 0;
  font-size: 15px;
  line-height: 1.6;
  border-bottom: 1px solid rgba(226,222,212,0.5);
}

.compare-card.featured .compare-list li {
  border-bottom: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.9);
}

.compare-list li:last-child {
  border-bottom: none;
}

.icon-x {
  color: #B9BEB8;
  flex-shrink: 0;
  margin-top: 3px;
}

.icon-check {
  color: var(--gold);
  flex-shrink: 0;
  margin-top: 3px;
}

.compare-divider {
  display: flex;
  align-items: center;
  justify-content: center;
}

.compare-divider span {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--primary);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(197,160,89,0.3);
}

/* ===== News ===== */
.news-panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.news-list {
  display: flex;
  flex-direction: column;
}

.news-item {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 26px 30px;
  border-left: 3px solid transparent;
  border-bottom: 1px solid var(--border);
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.news-item:last-child {
  border-bottom: none;
}

.news-item:hover {
  background: var(--bg);
  border-left-color: var(--gold);
  box-shadow: inset 0 0 0 0 transparent;
}

.news-index {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

.news-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.news-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  transition: color 0.3s;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}

.news-item:hover .news-title {
  color: var(--gold-dark);
}

.news-summary {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.news-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  flex-shrink: 0;
}

.news-cat {
  background: var(--gold-light);
  color: var(--gold-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

.news-time {
  font-size: 13px;
  color: var(--text-lighter);
}

.news-empty {
  padding: 70px 24px;
  text-align: center;
  background: var(--bg-alt);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.news-empty-icon {
  font-size: 30px;
  color: var(--gold);
  line-height: 1;
}

.news-empty p {
  font-size: 15px;
  color: var(--text-light);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item:first-child {
  border-top: 1px solid var(--border);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  width: 100%;
  background: none;
  border: none;
  padding: 24px 4px;
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  text-align: left;
  cursor: pointer;
  transition: color 0.3s;
}

.faq-question:hover {
  color: var(--gold-dark);
}

.faq-icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.35s;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--gold);
  border-radius: 2px;
  transition: background 0.3s;
}

.faq-icon::before {
  width: 20px;
  height: 2px;
  top: 9px;
  left: 0;
}

.faq-icon::after {
  width: 2px;
  height: 20px;
  top: 0;
  left: 9px;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.open .faq-answer {
  max-height: 220px;
}

.faq-answer p {
  border-left: 2px solid var(--gold);
  padding: 4px 0 24px 20px;
  margin: 0 4px;
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.85;
}

/* ===== Contact ===== */
.contact-section {
  padding: 96px 0;
  background-color: var(--primary);
  background-image: linear-gradient(rgba(11,47,46,0.92), rgba(11,47,46,0.94)), url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  color: #fff;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.contact-info .section-eyebrow {
  background: rgba(197,160,89,0.15);
  color: var(--gold);
}

.contact-info .section-title {
  color: #fff;
}

.contact-info .section-sub {
  color: rgba(255,255,255,0.72);
}

.contact-points {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-point {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 15px;
  color: rgba(255,255,255,0.88);
}

.contact-point .cp-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(197,160,89,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  flex-shrink: 0;
}

.form-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  backdrop-filter: blur(8px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.18);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.full {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  margin-bottom: 6px;
  letter-spacing: 0.03em;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.35);
  padding: 12px 2px;
  color: #fff;
  font-size: 15px;
  border-radius: 0;
  transition: border-color 0.3s;
  -webkit-appearance: none;
  appearance: none;
}

.form-group textarea {
  min-height: 80px;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-bottom-color: var(--gold);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.42);
}

.form-group select {
  cursor: pointer;
}

.form-group select option {
  background: var(--bg);
  color: var(--text);
}

.form-submit {
  margin-top: 28px;
  width: 100%;
}

.privacy-note {
  margin-top: 16px;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(255,255,255,0.45);
  text-align: center;
}

.form-message {
  margin-top: 16px;
  text-align: center;
  font-size: 14px;
  min-height: 22px;
  color: rgba(255,255,255,0.8);
}

.form-message.success {
  color: var(--gold);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary);
  color: rgba(255,255,255,0.65);
  padding-top: 72px;
}

.footer-top {
  border-top: 0.5px solid rgba(197,160,89,0.5);
  padding-top: 60px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .brand-text {
  color: #fff;
  font-size: 24px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.85;
  margin-top: 16px;
  color: rgba(255,255,255,0.55);
  max-width: 320px;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

.footer-col a {
  display: block;
  padding: 5px 0;
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  transition: color 0.3s, padding-left 0.3s;
}

.footer-col a:hover {
  color: var(--gold);
  padding-left: 6px;
}

.footer-contact-item {
  display: flex;
  gap: 10px;
  padding: 6px 0;
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
}

.footer-contact-item strong {
  color: rgba(255,255,255,0.85);
  font-weight: 500;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 26px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.38);
}

.footer-bottom a {
  color: rgba(255,255,255,0.45);
}

.footer-bottom a:hover {
  color: var(--gold);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero {
    min-height: 78vh;
    padding-top: 150px;
  }

  .hero-inner {
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-title {
    font-size: 42px;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .main-nav,
  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .section {
    padding: 64px 0;
  }

  .section-title {
    font-size: 28px;
  }

  .section-sub {
    font-size: 15px;
  }

  .hero {
    min-height: auto;
    padding: 140px 0 90px;
    background-position: center;
  }

  .hero-title {
    font-size: 32px;
    line-height: 1.35;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .hero-badge {
    font-size: 12px;
    padding: 6px 14px;
  }

  .metrics-section {
    margin-top: -30px;
  }

  .metrics-bar {
    grid-template-columns: 1fr 1fr;
    border-radius: var(--radius-lg);
  }

  .metric-item {
    padding: 30px 16px;
  }

  .metric-item + .metric-item::before {
    width: 1px;
    height: 32px;
  }

  .metric-item:nth-child(2n+1)::before {
    display: none;
  }

  .metric-item:nth-child(3)::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 1px;
    background: var(--border);
  }

  .metric-item:nth-child(4)::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 1px;
    background: var(--border);
  }

  .metric-num {
    font-size: 36px;
  }

  .services-row,
  .services-row.offset {
    grid-template-columns: 1fr;
    padding-left: 0;
  }

  .service-cover {
    height: 180px;
  }

  .compare-wrap {
    grid-template-columns: 1fr;
  }

  .compare-divider span {
    transform: rotate(90deg);
  }

  .compare-card {
    padding: 30px 24px;
  }

  .news-item {
    grid-template-columns: 40px 1fr;
    padding: 20px 18px;
    gap: 12px;
  }

  .news-meta {
    grid-column: 2;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
  }

  .news-index {
    font-size: 18px;
  }

  .news-title {
    font-size: 15px;
    -webkit-line-clamp: 2;
  }

  .news-summary {
    display: none;
  }

  .faq-question {
    font-size: 16px;
    padding: 20px 2px;
  }

  .faq-answer p {
    font-size: 14px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-card {
    padding: 30px 22px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-top: 44px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .nav-inner {
    height: 66px;
  }

  .brand-text {
    font-size: 19px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 18px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-hint {
    flex-direction: column;
    text-align: center;
    gap: 6px;
  }

  .hero-hint::before {
    display: none;
  }

  .metric-item {
    padding: 24px 10px;
  }

  .metric-num {
    font-size: 30px;
  }

  .metric-label {
    font-size: 12px;
  }

  .service-body {
    padding: 22px 20px;
  }

  .contact-point {
    font-size: 14px;
  }
}

/* roulang page: article */
:root {
  --marine: #0B2F2F;
  --marine-light: #164545;
  --gold: #C5A059;
  --gold-dark: #B08E45;
  --gold-light: #E8D9B8;
  --sail: #FAF8F4;
  --sand: #F1EFE8;
  --clay: #C05B3C;
  --text: #2E3429;
  --text-body: #4A5047;
  --text-weak: #8A9186;
  --border: #E2DED4;
  --white: #FFFFFF;
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-tag: 999px;
  --shadow-std: 0 8px 24px rgba(11,47,46,0.08);
  --shadow-hover: 0 16px 32px rgba(11,47,46,0.13);
  --space-section: 88px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 16px; line-height: 1.8; background: var(--sail); color: var(--text-body); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .2s ease; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
::selection { background: rgba(197,160,89,0.28); color: var(--marine); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* HEADER */
.site-header { position: relative; width: 100%; z-index: 50; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.header-main { position: absolute; top: 0; left: 0; right: 0; z-index: 60; transition: background .35s ease, box-shadow .35s ease, border-bottom .35s ease; border-bottom: 1px solid transparent; }
.header-main.scrolled { position: fixed; background: var(--sail); border-bottom: 1px solid var(--border); box-shadow: 0 4px 20px rgba(10, 50, 50, 0.05); }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-icon { color: var(--gold); display: inline-flex; align-items: center; justify-content: center; }
.brand-text { font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif; font-size: 22px; font-weight: 700; color: var(--marine); letter-spacing: 0.02em; }
.header-main:not(.scrolled) .brand-text { color: var(--white); width: max-content; }
.header-main.scrolled .brand-text { color: var(--marine); }
.main-nav { display: flex; align-items: center; gap: 34px; margin-left: 40px; }
.nav-link { font-size: 15px; color: rgba(255,255,255,0.85); font-weight: 500; letter-spacing: 0.03em; position: relative; padding: 8px 0; transition: color .25s ease; }
.header-main:not(.scrolled) .nav-link:hover { color: var(--gold); }
.header-main.scrolled .nav-link { color: var(--text-body); }
.header-main.scrolled .nav-link:hover { color: var(--gold-dark); }
.nav-link::after { content: ""; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--gold); transition: width .3s ease; border-radius: 2px; }
.nav-link.active { color: var(--gold); }
.header-main:not(.scrolled) .nav-link.active { color: var(--gold); }
.header-main.scrolled .nav-link.active { color: var(--gold-dark); }
.header-main.scrolled .nav-link.active::after { width: 100%; }
.header-btn { margin-left: auto; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 28px; border-radius: var(--radius-btn); font-size: 15px; font-weight: 600; border: 1px solid transparent; transition: background .25s ease, transform .2s ease, box-shadow .25s ease, color .25s ease, border-color .25s ease; white-space: nowrap; line-height: 1.4; }
.header-main:not(.scrolled) .btn-outline-light { background: transparent; border-color: var(--gold); color: var(--gold); }
.header-main:not(.scrolled) .btn-outline-light:hover { background: var(--gold); color: var(--marine); border-color: var(--gold); }
.header-main.scrolled .btn-outline-light { background: transparent; border-color: var(--gold); color: var(--gold-dark); }
.header-main.scrolled .btn-outline-light:hover { background: var(--gold); color: var(--white); border-color: var(--gold); }
.btn:active { transform: scale(0.98); }
.btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* HERO BANNER */
.page-banner { background: var(--marine); padding: 120px 0 72px; position: relative; overflow: hidden; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; }
.page-banner::before { content: ""; position: absolute; inset: 0; background: linear-gradient(to right, rgba(11,47,47,0.94) 10%, rgba(11,47,47,0.55) 55%, rgba(11,47,47,0.22) 100%); }
.page-banner-content { position: relative; z-index: 2; max-width: 1200px; margin: 0 auto; padding: 38px 24px; }
.banner-eyebrow { display: inline-flex; align-items: center; gap: 8px; background: rgba(197,160,89,0.12); border: 1px solid rgba(197,160,89,0.4); color: var(--gold-light); font-size: 13px; letter-spacing: 0.08em; padding: 6px 18px; border-radius: var(--radius-tag); margin-bottom: 20px; font-weight: 500; }
.page-banner h1 { font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif; font-size: 42px; line-height: 1.35; color: var(--white); font-weight: 600; max-width: 860px; letter-spacing: 0.01em; }
.breadcrumb { margin-top: 22px; font-size: 14px; color: rgba(255,255,255,0.65); display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.breadcrumb a { color: rgba(255,255,255,0.75); transition: color .2s; }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb .sep { color: rgba(255,255,255,0.4); margin: 0 3px; }
.breadcrumb .current { color: var(--gold-light); }

/* ARTICLE DETAIL */
.article-detail-section { padding: var(--space-section) 0; background: var(--sail); }
.article-detail-wrap { max-width: 860px; margin: 0 auto; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; padding-bottom: 24px; margin-bottom: 36px; border-bottom: 1px solid var(--border); }
.article-cat-tag { background: rgba(197,160,89,0.12); color: var(--gold-dark); font-size: 13px; font-weight: 600; padding: 5px 16px; border-radius: var(--radius-tag); border: 1px solid rgba(197,160,89,0.3); }
.article-meta span { font-size: 14px; color: var(--text-weak); }
.article-meta .author { color: var(--text-weak); }
.article-typography { font-size: 17px; line-height: 2; color: var(--text-body); }
.article-typography p { margin-bottom: 24px; }
.article-typography h2 { font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif; font-size: 28px; color: var(--marine); margin: 40px 0 16px; font-weight: 600; line-height: 1.5; }
.article-typography h3 { font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif; font-size: 22px; color: var(--marine); margin: 30px 0 12px; font-weight: 600; }
.article-typography blockquote { background: var(--sand); border-left: 3px solid var(--gold); padding: 18px 24px; margin: 28px 0; border-radius: 0 10px 10px 0; color: var(--text); font-style: italic; }
.article-typography ul { padding-left: 22px; margin: 22px 0 28px; list-style: disc; }
.article-typography ul li { margin-bottom: 8px; }
.article-typography img { border-radius: var(--radius-card); margin: 32px 0; box-shadow: var(--shadow-std); }
.article-typography a { color: var(--gold-dark); text-decoration: underline; text-underline-offset: 4px; }
.article-typography a:hover { color: var(--marine); }
.article-cover { margin-bottom: 32px; }
.article-cover img { width: 100%; border-radius: 12px; aspect-ratio: 16/8; object-fit: cover; box-shadow: var(--shadow-std); }
.article-runway { max-width: 860px; margin: 0 auto; }
.article-back-links { display: flex; gap: 30px; justify-content: center; margin-top: 56px; padding-top: 30px; border-top: 1px solid var(--border); }
.back-link { font-size: 15px; color: var(--text-weak); font-weight: 500; display: inline-flex; align-items: center; gap: 8px; transition: color .25s ease, transform .25s ease; }
.back-link:hover { color: var(--gold-dark); transform: translateX(-2px); }
.back-link:active { transform: scale(0.98); }

/* RELATED */
.related-section { background: var(--sand); padding: var(--space-section) 0; }
.related-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; }
.related-head h2 { font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif; font-size: 28px; color: var(--marine); font-weight: 600; }
.related-head a { font-size: 14px; color: var(--gold-dark); font-weight: 500; }
.related-head a:hover { color: var(--marine); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.related-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-card); overflow: hidden; box-shadow: 0 2px 8px rgba(11,47,46,0.03); transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; display: block; }
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--gold); }
.related-cover img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.related-body { padding: 20px 22px 24px; }
.related-body h3 { font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif; font-size: 18px; color: var(--marine); line-height: 1.5; margin-bottom: 10px; font-weight: 600; }
.related-body h3:hover { color: var(--gold-dark); }
.related-body p { font-size: 14px; color: var(--text-weak); line-height: 1.7; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-weak); }
.related-meta .related-cat { background: var(--sand); color: var(--text-body); padding: 3px 12px; border-radius: var(--radius-tag); font-size: 12px; }

/* CTA BANNER */
.cta-banner { background: var(--marine); position: relative; padding: 72px 0; overflow: hidden; }
.cta-banner::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: linear-gradient(90deg, transparent 10%, var(--gold) 50%, transparent 90%); }
.cta-inner { text-align: center; max-width: 680px; margin: 0 auto; }
.cta-inner h2 { font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif; font-size: 30px; color: var(--white); margin-bottom: 14px; font-weight: 600; }
.cta-inner p { color: rgba(255,255,255,0.75); font-size: 16px; margin-bottom: 28px; }
.cta-btn-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.btn-primary { background: var(--gold); color: var(--marine); border-color: var(--gold); }
.btn-primary:hover { background: var(--gold-dark); border-color: var(--gold-dark); color: var(--white); }
.btn-outline { background: transparent; border-color: var(--gold); color: var(--gold); }
.btn-outline:hover { background: var(--gold); color: var(--marine); border-color: var(--gold); }
.btn-marine { background: var(--marine); color: var(--white); border-color: var(--marine); }
.btn-marine:hover { background: #103B3A; }

/* FOOTER */
.site-footer { background: var(--marine); color: rgba(255,255,255,0.75); padding: 64px 0 28px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 48px; padding-bottom: 42px; border-bottom: 0.5px solid rgba(197,160,89,0.5); margin-bottom: 26px; }
.footer-brand .brand-text { color: var(--white); font-size: 24px; }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.55); line-height: 1.8; margin-top: 18px; max-width: 300px; }
.footer-col h4 { font-size: 15px; color: var(--gold); margin-bottom: 20px; font-weight: 600; }
.footer-col a { display: block; color: rgba(255,255,255,0.7); font-size: 14px; padding: 6px 0; transition: color .25s ease; }
.footer-col a:hover { color: var(--gold-light); }
.footer-contact-item { font-size: 14px; padding: 6px 0; display: flex; gap: 8px; color: rgba(255,255,255,0.75); }
.footer-contact-item strong { color: var(--gold); font-weight: 500; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 13px; color: rgba(255,255,255,0.4); }
.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: var(--gold); }

/* FAQ */
.faq-section { background: var(--sail); padding: var(--space-section) 0; }
.faq-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.faq-head h2 { font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif; font-size: 32px; color: var(--marine); margin-bottom: 12px; font-weight: 600; }
.faq-head p { color: var(--text-weak); font-size: 15px; }
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-question { width: 100%; background: none; border: none; display: flex; justify-content: space-between; align-items: center; padding: 20px 0; text-align: left; font-size: 17px; color: var(--marine); font-weight: 500; gap: 16px; }
.faq-question .faq-icon { font-size: 22px; color: var(--gold); flex-shrink: 0; display: inline-block; transition: transform .3s ease; font-weight: 300; line-height: 1; }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-answer .answer-inner { padding: 0 0 18px; border-left: 1px solid var(--gold); padding-left: 18px; margin-left: 2px; font-size: 15px; color: var(--text-weak); line-height: 1.9; }

/* NOT FOUND */
.not-found-block { text-align: center; padding: 12px 0 20px; }
.not-found-block .nf-icon { font-size: 48px; color: var(--gold); margin-bottom: 14px; }
.not-found-block h2 { font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif; font-size: 26px; color: var(--marine); margin-bottom: 12px; }
.not-found-block p { color: var(--text-weak); margin-bottom: 20px; font-size: 16px; }
.not-found-block .btn { margin-top: 8px; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .main-nav { gap: 20px; margin-left: 20px; }
  .brand-text { font-size: 18px; }
  .page-banner h1 { font-size: 32px; }
}
@media (max-width: 768px) {
  :root { --space-section: 60px; }
  .container { padding: 0 18px; }
  .main-nav { position: fixed; inset: 0; background: var(--marine); flex-direction: column; gap: 18px; margin: 0; justify-content: center; align-items: center; display: none; z-index: 100; }
  .main-nav.open { display: flex; }
  .main-nav.open .nav-link { color: rgba(255,255,255,0.8); font-size: 20px; padding: 10px 0; }
  .main-nav.open .nav-link.active { color: var(--gold); }
  .mobile-menu-btn { display: inline-flex !important; width: 44px; height: 44px; background: transparent; border: none; align-items: center; justify-content: center; color: var(--marine); margin-left: auto; }
  .header-main:not(.scrolled) .mobile-menu-btn { color: var(--white); }
  .header-main.scrolled .mobile-menu-btn { color: var(--marine); }
  .mobile-menu-btn svg { width: 24px; height: 24px; }
  .header-btn { display: none; }
  .page-banner { padding: 100px 0 52px; }
  .page-banner h1 { font-size: 26px; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .m-close-btn { position: absolute; top: 22px; right: 22px; background: none; border: none; color: var(--white); font-size: 26px; cursor: pointer; }
  .article-typography { font-size: 16px; line-height: 1.9; }
  .article-typography h2 { font-size: 22px; }
  .article-typography h3 { font-size: 18px; }
  .related-grid { grid-template-columns: 1fr; }
}
@media (min-width: 769px) {
  .mobile-menu-btn, .m-close-btn { display: none !important; }
}
@media (max-width: 520px) {
  .brand-text { font-size: 16px; }
  .page-banner h1 { font-size: 24px; line-height: 1.4; }
  .article-detail-section { padding: 40px 0; }
  .article-back-links { flex-direction: column; align-items: center; gap: 12px; }
  .cta-inner h2 { font-size: 24px; }
  .footer-bottom span { font-size: 12px; }
}

/* roulang page: category2 */
/* ==================== Design Tokens ==================== */
        :root {
            --primary: #0B2F2E;
            --primary-light: #16403F;
            --primary-dark: #071F1E;
            --gold: #C5A059;
            --gold-dark: #B08E45;
            --gold-light: #E8D5A8;
            --bg: #FAF8F4;
            --bg-alt: #F1EFE8;
            --white: #FFFFFF;
            --text: #2C3A38;
            --text-light: #6B7B79;
            --border: #E2DED4;
            --accent: #C05B3C;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow: 0 8px 24px rgba(11, 47, 46, 0.08);
            --shadow-hover: 0 12px 32px rgba(11, 47, 46, 0.14);
            --transition: 0.35s ease;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
            --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        /* ==================== Reset ==================== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        ul {
            list-style: none;
        }

        /* ==================== Container ==================== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ==================== Buttons ==================== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--gold);
            color: var(--primary);
            border: 1px solid var(--gold);
        }
        .btn-primary:hover {
            background: var(--gold-dark);
            border-color: var(--gold-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(197, 160, 89, 0.35);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--gold);
        }
        .btn-outline:hover {
            background: #F7F3EA;
            border-color: var(--gold-dark);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: scale(0.98);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
        }
        .btn-light {
            background: #fff;
            color: var(--primary);
            border: 1px solid #fff;
        }
        .btn-light:hover {
            background: var(--bg-alt);
            border-color: var(--bg-alt);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
        }

        /* ==================== Header / Nav ==================== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 47, 46, 0.55);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        .site-header.scrolled {
            background: var(--bg);
            box-shadow: var(--shadow);
            border-bottom: 1px solid var(--gold);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            color: var(--gold);
        }
        .brand-text {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--white);
            transition: color var(--transition);
        }
        .site-header.scrolled .brand-text {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
            margin: 0 auto;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.88);
            padding: 6px 2px;
            position: relative;
            transition: color var(--transition);
        }
        .nav-link::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gold);
            transition: width var(--transition);
        }
        .nav-link:hover {
            color: var(--gold);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--gold);
            font-weight: 600;
        }
        .site-header.scrolled .nav-link {
            color: var(--primary);
        }
        .site-header.scrolled .nav-link:hover,
        .site-header.scrolled .nav-link.active {
            color: var(--gold-dark);
        }
        .btn-nav {
            padding: 10px 22px;
            font-size: 14px;
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            color: var(--white);
            transition: all var(--transition);
            background: transparent;
        }
        .site-header.scrolled .nav-toggle {
            color: var(--primary);
            border-color: var(--border);
        }
        .nav-toggle:hover {
            border-color: var(--gold);
            color: var(--gold);
        }
        .nav-toggle svg {
            width: 24px;
            height: 24px;
        }

        /* Mobile Drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 320px;
            max-width: 85vw;
            background: var(--primary);
            z-index: 1100;
            transform: translateX(100%);
            transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
            display: flex;
            flex-direction: column;
            padding: 24px;
            box-shadow: -10px 0 30px rgba(0, 0, 0, 0.25);
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        }
        .drawer-header .brand-text {
            color: var(--white);
            font-size: 20px;
        }
        .drawer-close {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-sm);
            font-size: 20px;
            transition: all var(--transition);
        }
        .drawer-close:hover {
            border-color: var(--gold);
            color: var(--gold);
            transform: rotate(90deg);
        }
        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .drawer-nav a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 19px;
            font-weight: 500;
            padding: 14px 10px;
            border-radius: var(--radius-sm);
            border-left: 3px solid transparent;
            transition: all var(--transition);
        }
        .drawer-nav a:hover,
        .drawer-nav a.active {
            color: var(--gold);
            background: rgba(197, 160, 89, 0.1);
            border-left-color: var(--gold);
        }
        .drawer-contact {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1050;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s;
        }
        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        /* ==================== Hero ==================== */
        .category-hero {
            position: relative;
            min-height: 460px;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            background: linear-gradient(90deg, rgba(11, 47, 46, 0.92) 0%, rgba(11, 47, 46, 0.65) 60%, rgba(7, 31, 30, 0.35) 100%),
                        url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            background-color: var(--primary);
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--gold);
        }
        .breadcrumb .sep {
            opacity: 0.6;
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--gold);
        }
        .category-hero h1 {
            font-family: var(--font-serif);
            font-size: 46px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            max-width: 700px;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .category-hero h1 span {
            color: var(--gold);
        }
        .category-hero .hero-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            line-height: 1.9;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* ==================== Section shared ==================== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--gold-dark);
            background: rgba(197, 160, 89, 0.1);
            border: 1px solid rgba(197, 160, 89, 0.4);
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 16px;
        }
        .section-head h2 {
            font-family: var(--font-serif);
            font-size: 36px;
            color: var(--primary);
            line-height: 1.4;
            font-weight: 700;
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-light);
            margin-top: 16px;
            line-height: 1.8;
        }

        /* ==================== Split Section ==================== */
        .split-layout {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 64px;
            align-items: center;
        }
        .split-media {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .split-media img {
            width: 100%;
            height: 460px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .split-media:hover img {
            transform: scale(1.03);
        }
        .split-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 47, 46, 0.5) 0%, transparent 50%);
            pointer-events: none;
        }
        .media-caption {
            position: absolute;
            bottom: 20px;
            left: 20px;
            z-index: 2;
            color: #fff;
            font-size: 14px;
            background: rgba(11, 47, 46, 0.75);
            padding: 8px 16px;
            border-radius: 999px;
            border-left: 3px solid var(--gold);
        }
        .split-content {
            padding: 20px 0;
        }
        .split-content .section-tag {
            margin-bottom: 14px;
        }
        .split-content h3 {
            font-family: var(--font-serif);
            font-size: 28px;
            color: var(--primary);
            line-height: 1.5;
            margin-bottom: 18px;
            font-weight: 700;
        }
        .split-content p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .check-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 28px;
            padding-top: 28px;
            border-top: 1px solid var(--border);
        }
        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--primary);
            line-height: 1.6;
        }
        .check-list li svg {
            color: var(--gold);
            flex-shrink: 0;
            margin-top: 4px;
        }
        .check-list li span {
            color: var(--text);
            font-weight: 400;
        }

        /* ==================== Safety Bar ==================== */
        .safety-bar {
            background: var(--primary);
            border: 1px solid var(--gold);
            border-radius: var(--radius);
            padding: 40px 48px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
        }
        .safety-bar::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
        }
        .safety-bar-title {
            font-family: var(--font-serif);
            font-size: 22px;
            color: var(--gold);
            font-weight: 700;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .safety-bar-title svg {
            width: 28px;
            height: 28px;
        }
        .safety-items {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 32px;
            flex: 1;
            justify-content: flex-end;
        }
        .safety-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 20px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            transition: all var(--transition);
        }
        .safety-item:hover {
            background: rgba(197, 160, 89, 0.15);
            border-color: var(--gold);
            color: var(--gold);
        }
        .safety-item svg {
            width: 18px;
            height: 18px;
            color: var(--gold);
            flex-shrink: 0;
        }

        /* ==================== Process Section ==================== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: process-counter;
        }
        .process-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 28px 32px;
            position: relative;
            transition: all var(--transition);
        }
        .process-card:hover {
            border-color: var(--gold);
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
        }
        .process-card::before {
            counter-increment: process-counter;
            content: "0" counter(process-counter);
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 700;
            color: rgba(197, 160, 89, 0.3);
            line-height: 1;
            display: block;
            margin-bottom: 18px;
        }
        .process-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .process-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }
        .process-card .process-icon {
            position: absolute;
            top: 28px;
            right: 24px;
            color: var(--gold);
            opacity: 0.5;
        }
        .process-card .process-icon svg {
            width: 28px;
            height: 28px;
        }

        /* ==================== FAQ ==================== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 12px;
            font-size: 17px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            transition: color var(--transition);
            background: none;
            width: 100%;
            text-align: left;
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--gold-dark);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }
        .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            flex-shrink: 0;
            transition: transform 0.4s ease, background 0.4s, color 0.4s;
            font-size: 18px;
            line-height: 1;
        }
        .faq-icon svg {
            width: 14px;
            height: 14px;
            transition: transform 0.4s ease;
        }
        .faq-item.active .faq-icon {
            background: var(--gold);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease, opacity 0.4s;
            opacity: 0;
            padding: 0 12px 0 44px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            opacity: 1;
            padding: 0 12px 24px 44px;
        }
        .faq-answer-inner {
            border-left: 2px solid var(--gold);
            padding-left: 20px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
        }
        .faq-cta-note {
            text-align: center;
            margin-top: 36px;
            font-size: 14px;
            color: var(--text-light);
        }
        .faq-cta-note a {
            color: var(--gold-dark);
            font-weight: 600;
            border-bottom: 1px solid var(--gold);
            padding-bottom: 2px;
        }
        .faq-cta-note a:hover {
            color: var(--primary);
        }

        /* ==================== CTA Section ==================== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, var(--primary) 100%);
            border-radius: var(--radius);
            padding: 72px 60px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            border: 1px solid rgba(197, 160, 89, 0.3);
        }
        .cta-block::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            border: 1px solid rgba(197, 160, 89, 0.15);
        }
        .cta-block .container {
            position: relative;
            z-index: 2;
            background: none;
            padding: 0;
        }
        .cta-block h2 {
            font-family: var(--font-serif);
            font-size: 36px;
            color: #fff;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .cta-block p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 36px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ==================== Footer ==================== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 70px 0 0;
            margin-top: 0;
        }
        .site-footer .container {
            max-width: 1200px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 0.5px solid rgba(197, 160, 89, 0.5);
        }
        .footer-brand .brand {
            margin-bottom: 18px;
        }
        .footer-brand .brand-text {
            color: #fff;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
            margin-top: 14px;
        }
        .footer-col h4 {
            font-family: var(--font-serif);
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 24px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--gold);
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            padding: 6px 0;
            transition: all var(--transition);
        }
        .footer-col a:hover {
            color: var(--gold);
            padding-left: 6px;
        }
        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            padding: 6px 0;
            line-height: 1.7;
        }
        .footer-contact-item strong {
            color: rgba(255, 255, 255, 0.85);
            flex-shrink: 0;
            min-width: 62px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px 30px;
            padding: 24px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--gold);
        }

        /* ==================== Responsive ==================== */
        @media (max-width: 1024px) {
            .header-inner .main-nav {
                display: none;
            }
            .btn-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .category-hero {
                min-height: 420px;
                padding: 120px 0 64px;
                background: linear-gradient(180deg, rgba(11, 47, 46, 0.92) 0%, rgba(11, 47, 46, 0.72) 70%, rgba(7, 31, 30, 0.6) 100%),
                            url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
                text-align: center;
            }
            .category-hero h1 {
                font-size: 38px;
                margin-left: auto;
                margin-right: auto;
            }
            .category-hero .hero-sub {
                font-size: 16px;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .breadcrumb {
                justify-content: center;
            }
            .split-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .safety-bar {
                flex-direction: column;
                text-align: center;
                padding: 36px 24px;
            }
            .safety-items {
                justify-content: center;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }
            .category-hero {
                min-height: 380px;
                padding: 100px 0 48px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .section-head h2 {
                font-size: 28px;
            }
            .split-media img {
                height: 300px;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .cta-block {
                padding: 48px 24px;
            }
            .cta-block h2 {
                font-size: 26px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .hero-actions .btn {
                width: 100%;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .breadcrumb {
                font-size: 12px;
            }
            .split-media img {
                height: 240px;
            }
            .safety-item {
                font-size: 13px;
                padding: 8px 14px;
            }
        }

/* roulang page: category1 */
:root {
  --primary: #0B2F2E;
  --gold: #C5A059;
  --gold-dark: #B08E45;
  --bg: #FAF8F4;
  --bg-alt: #F1EFE8;
  --text: #0B2F2E;
  --text-secondary: #5A6D6B;
  --border: #E2DED4;
  --white: #FFFFFF;
  --danger: #C05B3C;
  --radius: 14px;
  --radius-lg: 18px;
  --shadow: 0 8px 24px rgba(11, 47, 46, 0.08);
  --shadow-hover: 0 12px 32px rgba(11, 47, 46, 0.14);
  --transition: all .3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 16px; line-height: 1.8; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-tag { display: inline-block; background: rgba(197,160,89,0.14); color: var(--gold-dark); font-size: 13px; font-weight: 700; letter-spacing: 1px; border-radius: 999px; padding: 6px 18px; margin-bottom: 16px; }
.section-head h2 { font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif; font-size: 34px; color: var(--primary); margin-bottom: 12px; line-height: 1.3; }
.section-head p { font-size: 16px; color: var(--text-secondary); }
section[id] { scroll-margin-top: 90px; }

/* Header */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(11,47,46,0.45);
  backdrop-filter: blur(6px);
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(250,248,244,0.96);
  border-bottom: 1px solid rgba(197,160,89,0.5);
  box-shadow: var(--shadow);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-icon { color: var(--gold); display: flex; }
.brand-text { font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif; font-weight: 700; font-size: 21px; letter-spacing: 1px; color: #fff; transition: var(--transition); white-space: nowrap; }
.site-header.scrolled .brand-text { color: var(--primary); }
.main-nav { display: flex; gap: 28px; }
.nav-link { font-size: 15px; color: rgba(255,255,255,0.88); padding: 8px 2px; position: relative; transition: color .3s ease; white-space: nowrap; }
.nav-link::after { content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--gold); transition: width .3s ease; }
.nav-link:hover, .nav-link.active { color: var(--gold); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.site-header.scrolled .nav-link { color: var(--text); }
.site-header.scrolled .nav-link:hover, .site-header.scrolled .nav-link.active { color: var(--gold-dark); }
.nav-cta { padding: 10px 22px; font-size: 14px; flex-shrink: 0; }
.nav-toggle { display: none; width: 36px; height: 36px; border-radius: 8px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.3); transition: var(--transition); }
.nav-toggle span { display: block; width: 18px; height: 2px; background: #fff; border-radius: 2px; transition: var(--transition); }
.site-header.scrolled .nav-toggle { background: rgba(11,47,46,0.06); border-color: var(--border); }
.site-header.scrolled .nav-toggle span { background: var(--primary); }

/* Mobile menu */
.mobile-menu {
  position: fixed; top: 0; right: -100%; width: 300px; max-width: 85vw; height: 100vh;
  background: var(--primary); padding: 24px 28px; z-index: 1200;
  transition: right .45s cubic-bezier(0.22, 1, 0.36, 1);
  display: flex; flex-direction: column;
}
.mobile-menu.open { right: 0; }
.mobile-menu-header { display: flex; justify-content: flex-end; margin-bottom: 24px; }
.mobile-close { font-size: 28px; color: #fff; width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.mobile-close:hover { background: rgba(255,255,255,0.2); }
.mobile-nav-link { display: block; font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif; font-size: 21px; color: rgba(255,255,255,0.85); padding: 16px 4px; border-bottom: 1px solid rgba(255,255,255,0.1); transition: var(--transition); }
.mobile-nav-link:hover { color: var(--gold); }
.mobile-nav-link.active { color: var(--gold); }
.mobile-menu-footer { margin-top: auto; padding-top: 28px; font-size: 14px; color: rgba(255,255,255,0.6); line-height: 2; }
.mobile-overlay { position: fixed; inset: 0; background: rgba(11,47,46,0.5); z-index: 1100; opacity: 0; pointer-events: none; transition: opacity .4s ease; }
.mobile-overlay.show { opacity: 1; pointer-events: auto; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: 10px; font-size: 15px; font-weight: 600; border: 1px solid transparent; transition: all .3s ease; text-align: center; line-height: 1.4; }
.btn-primary { background: var(--gold); color: var(--primary); }
.btn-primary:hover { background: var(--gold-dark); color: #fff; }
.btn-outline { background: transparent; border-color: var(--gold); color: #fff; }
.btn-outline:hover { background: rgba(250,248,244,0.12); border-color: var(--gold); }
.btn:active { transform: scale(0.98); }
.btn:focus-visible { outline: 3px solid rgba(197,160,89,0.5); outline-offset: 2px; }
.btn-block { width: 100%; padding: 14px; font-size: 16px; margin-top: 8px; }

/* Hero */
.page-hero {
  position: relative;
  min-height: 460px;
  display: flex; align-items: center;
  padding: 190px 0 90px;
  background: linear-gradient(112deg, rgba(11,47,46,0.88) 0%, rgba(11,47,46,0.55) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat, var(--primary);
  color: #fff;
}
.page-hero .container { width: 100%; }
.breadcrumb { font-size: 14px; color: rgba(255,255,255,0.65); display: flex; gap: 10px; align-items: center; margin-bottom: 24px; }
.breadcrumb a { color: rgba(255,255,255,0.8); transition: var(--transition); }
.breadcrumb a:hover { color: var(--gold); }
.page-hero h1 { font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif; font-size: 44px; line-height: 1.25; font-weight: 700; margin-bottom: 18px; color: #fff; max-width: 700px; }
.hero-desc { font-size: 17px; color: rgba(255,255,255,0.82); max-width: 580px; margin-bottom: 32px; line-height: 1.9; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Service Details */
.service-details { background: var(--bg); }
.service-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: stretch; }
.service-visual { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); min-height: 400px; }
.service-visual img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.service-visual-badge { position: absolute; right: 20px; bottom: 20px; background: rgba(255,255,255,0.92); backdrop-filter: blur(4px); border-radius: 12px; padding: 14px 22px; text-align: center; box-shadow: 0 8px 24px rgba(11,47,46,0.16); }
.service-visual-badge strong { display: block; font-family: "Noto Serif SC", "Source Han Serif SC", serif; font-size: 28px; color: var(--gold-dark); line-height: 1.2; }
.service-visual-badge span { font-size: 12px; color: var(--primary); }
.service-list { display: flex; flex-direction: column; }
.service-item { padding: 20px 4px; border-bottom: 1px solid var(--border); transition: var(--transition); }
.service-item:hover { padding-left: 16px; border-bottom-color: var(--gold); }
.service-item:first-child { padding-top: 0; }
.service-item-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 6px; }
.service-num { font-family: "Noto Serif SC", serif; color: var(--gold); font-size: 14px; font-weight: 700; letter-spacing: 1px; }
.service-item h3 { font-family: "Noto Serif SC", "Source Han Serif SC", serif; font-size: 21px; color: var(--primary); }
.service-item p { font-size: 15px; color: var(--text-secondary); margin-bottom: 10px; line-height: 1.7; }
.arrow-link { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--gold-dark); transition: var(--transition); }
.arrow-link svg { transition: transform .3s ease; }
.arrow-link:hover { color: var(--primary); }
.arrow-link:hover svg { transform: translateX(4px); }

/* Metrics */
.metrics-section { background: var(--bg); padding: 72px 0; border-bottom: 1px solid var(--border); }
.metrics-grid { display: flex; align-items: center; justify-content: space-between; }
.metric-item { text-align: center; flex: 1; }
.metric-number { font-family: "Noto Serif SC", "Source Han Serif SC", serif; font-size: 46px; font-weight: 700; color: var(--gold); line-height: 1.2; display: inline-block; }
.metric-unit { font-size: 15px; color: var(--text-secondary); margin-left: 4px; }
.metric-label { display: block; margin-top: 8px; font-size: 14px; color: var(--primary); font-weight: 600; }
.metric-divider { width: 1px; height: 52px; background: var(--border); }

/* Steps */
.booking-steps { background: var(--bg-alt); padding: 96px 0; }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-card {
  background: var(--white); border-radius: var(--radius); padding: 32px 26px;
  box-shadow: var(--shadow); border: 1px solid var(--border);
  transition: var(--transition); position: relative;
}
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--gold); }
.step-num { font-family: "Noto Serif SC", serif; font-size: 40px; color: var(--gold); opacity: 0.35; font-weight: 700; line-height: 1; display: block; margin-bottom: 32px; }
.step-icon { width: 48px; height: 48px; background: rgba(197,160,89,0.12); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; color: var(--gold-dark); }
.step-card h3 { font-family: "Noto Serif SC", "Source Han Serif SC", serif; font-size: 20px; color: var(--primary); margin-bottom: 8px; }
.step-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* FAQ */
.faq-section { padding: 96px 0; background: var(--bg); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-question {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 24px 4px; font-size: 17px; font-weight: 600; color: var(--primary);
  transition: var(--transition); text-align: left;
}
.faq-question:hover { color: var(--gold-dark); }
.faq-icon { font-size: 22px; color: var(--gold); display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--gold); transition: transform .35s ease; flex-shrink: 0; }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .4s ease; padding: 0 4px; }
.faq-answer p { font-size: 15px; color: var(--text-secondary); border-left: 2px solid var(--gold); padding-left: 18px; line-height: 1.8; }

/* CTA */
.booking-cta { background: var(--primary); padding: 96px 0; }
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.cta-tag { color: var(--gold); font-size: 13px; letter-spacing: 2px; font-weight: 700; text-transform: uppercase; }
.cta-info h2 { font-family: "Noto Serif SC", "Source Han Serif SC", serif; font-size: 34px; color: #fff; margin: 12px 0 16px; line-height: 1.3; }
.cta-info p { color: rgba(255,255,255,0.75); font-size: 15px; margin-bottom: 24px; line-height: 1.8; }
.cta-info ul { list-style: none; margin-bottom: 28px; }
.cta-info li { color: rgba(255,255,255,0.85); font-size: 15px; padding: 6px 0; padding-left: 24px; position: relative; }
.cta-info li::before { content: '✓'; position: absolute; left: 0; color: var(--gold); font-weight: 700; }
.cta-phone { background: rgba(255,255,255,0.06); border: 1px solid rgba(197,160,89,0.3); border-radius: var(--radius); padding: 16px 24px; display: inline-flex; flex-direction: column; transition: var(--transition); }
.cta-phone:hover { border-color: var(--gold); }
.cta-phone span { font-size: 13px; color: rgba(255,255,255,0.6); }
.cta-phone strong { font-size: 26px; color: var(--gold); font-family: "Noto Serif SC", serif; letter-spacing: 1px; }
.cta-form {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(197,160,89,0.35);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(4px);
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; color: rgba(255,255,255,0.65); margin-bottom: 6px; letter-spacing: 1px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; background: transparent; border: none; border-bottom: 1px solid rgba(255,255,255,0.3);
  color: #fff; padding: 10px 2px; font-size: 15px; transition: border-color .3s ease;
  appearance: none; border-radius: 0;
}
.form-group select option { color: var(--primary); background: #fff; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-bottom-color: var(--gold); }
.form-group ::placeholder { color: rgba(255,255,255,0.35); }
.form-privacy { font-size: 12px; color: rgba(255,255,255,0.45); margin-top: 14px; line-height: 1.7; }
.form-message { margin-top: 12px; font-size: 14px; color: #D5C598; display: none; }

/* Footer */
.site-footer { background: var(--primary); color: rgba(255,255,255,0.8); padding-top: 24px; }
.site-footer .footer-top { border-top: 0.5px solid rgba(197,160,89,0.4); padding: 52px 0 40px; display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand .brand-text { color: #fff; }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.9; max-width: 280px; }
.footer-col h4 { font-family: "Noto Serif SC", "Source Han Serif SC", serif; font-size: 17px; color: var(--gold); margin-bottom: 16px; }
.footer-col a { display: block; font-size: 14px; color: rgba(255,255,255,0.7); padding: 5px 0; transition: var(--transition); }
.footer-col a:hover { color: var(--gold); padding-left: 4px; }
.footer-contact-item { font-size: 14px; color: rgba(255,255,255,0.7); padding: 5px 0; }
.footer-contact-item strong { color: rgba(255,255,255,0.9); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding: 18px 0 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 13px; color: rgba(255,255,255,0.5); }
.footer-bottom a { color: rgba(255,255,255,0.55); transition: var(--transition); }
.footer-bottom a:hover { color: var(--gold); }

/* Responsive */
@media (max-width: 1024px) {
  .page-hero h1 { font-size: 36px; }
  .section-head h2 { font-size: 28px; }
  .section { padding: 80px 0; }
  .booking-steps { padding: 80px 0; }
  .faq-section { padding: 80px 0; }
  .booking-cta { padding: 80px 0; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .cta-grid { grid-template-columns: 1fr; gap: 48px; }
  .service-grid { grid-template-columns: 1fr; gap: 40px; }
  .service-visual { min-height: 320px; position: relative; }
  .site-footer .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .main-nav, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .header-inner { height: 64px; }
  .brand-text { font-size: 18px; }
  .page-hero { padding: 150px 0 56px; min-height: 400px; }
  .page-hero h1 { font-size: 30px; }
  .hero-desc { font-size: 15px; }
  .section { padding: 64px 0; }
  .booking-steps { padding: 64px 0; }
  .faq-section { padding: 64px 0; }
  .booking-cta { padding: 64px 0; }
  .section-head h2 { font-size: 26px; }
  .section-head { margin-bottom: 40px; }
  .metrics-grid { flex-wrap: wrap; row-gap: 28px; }
  .metric-item { flex: 0 0 48%; }
  .metric-divider { display: none; }
  .steps-grid { grid-template-columns: 1fr; }
  .cta-form { padding: 28px 20px; }
  .cta-info h2 { font-size: 28px; }
  .site-footer .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 6px; text-align: center; }
}

@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .page-hero h1 { font-size: 27px; }
  .service-visual-badge { padding: 10px 16px; }
  .service-visual-badge strong { font-size: 22px; }
  .metric-number { font-size: 38px; }
  .step-card { padding: 26px 20px; }
}

/* roulang page: category3 */
/* ============ Design Tokens ============ */
:root {
  --primary: #0B2F2E;
  --primary-light: #123F3D;
  --primary-dark: #081F1E;
  --accent: #C5A059;
  --accent-hover: #B08E45;
  --accent-soft: #F7F3EA;
  --bg-sail: #FAF8F4;
  --bg-warm: #F1EFE8;
  --text-main: #0B2F2E;
  --text-body: #3B4B4A;
  --text-weak: #788684;
  --border-soft: #E2DED4;
  --danger: #C05B3C;
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-badge: 999px;
  --shadow-card: 0 8px 24px rgba(11, 47, 46, 0.08);
  --container-w: 1200px;
  --spacer-lg: 96px;
  --spacer-md: 64px;
  --spacer-sm: 40px;
}

/* ============ Reset ============ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-body);
  background: var(--bg-sail);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5 {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.35;
  letter-spacing: 0.01em;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s ease, border-color 0.3s ease, background 0.3s ease, opacity 0.3s ease;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

img {
  max-width: 100%;
  display: block;
  height: auto;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: 1rem;
  border: none;
  outline: none;
}

.container {
  max-width: var(--container-w);
  width: calc(100% - 48px);
  margin: 0 auto;
}

/* ============ Header & Nav ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(8, 31, 30, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}

.site-header.scrolled {
  background: rgba(250, 248, 244, 0.95);
  border-bottom-color: var(--accent);
  box-shadow: 0 4px 20px rgba(11, 47, 46, 0.06);
}

.header-inner {
  max-width: var(--container-w);
  width: calc(100% - 48px);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-icon svg {
  color: var(--accent);
}

.site-header .brand-text {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  font-weight: 700;
  font-size: 1.35rem;
  color: #fff;
  letter-spacing: 0.02em;
  transition: color 0.3s ease;
}

.site-header.scrolled .brand-text {
  color: var(--primary);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.86);
  border: 1px solid transparent;
  transition: all 0.3s ease;
}

.site-header.scrolled .nav-link {
  color: var(--text-body);
}

.nav-link:hover {
  color: var(--accent);
  border-color: rgba(197, 160, 89, 0.5);
}

.nav-link.active {
  color: var(--accent);
  font-weight: 600;
  border-color: rgba(197, 160, 89, 0.75);
  background: rgba(197, 160, 89, 0.08);
}

.site-header.scrolled .nav-link.active {
  background: rgba(197, 160, 89, 0.1);
}

.btn-header {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 9px 20px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--accent);
  transition: all 0.3s ease;
  white-space: nowrap;
}

.btn-header:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

.btn-header:active {
  transform: scale(0.98);
}

/* Mobile nav */
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: #fff;
}

.site-header.scrolled .nav-toggle {
  border-color: var(--primary);
  color: var(--primary);
}

.nav-toggle svg {
  width: 20px;
  height: 20px;
}

.mobile-drawer {
  position: fixed;
  inset: 0;
  background: var(--primary);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  padding: 32px 28px 40px;
  transform: translateY(-110%);
  transition: transform 0.45s cubic-bezier(0.23, 1, 0.32, 1);
  overflow-y: auto;
}

.mobile-drawer.open {
  transform: translateY(0);
}

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

.drawer-brand {
  font-family: "Noto Serif SC", serif;
  color: #fff;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.drawer-close {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 8px;
  transition: background 0.3s ease;
}

.drawer-close:hover {
  background: rgba(255, 255, 255, 0.1);
}

.drawer-link {
  display: block;
  font-size: 1.5rem;
  font-family: "Noto Serif SC", serif;
  padding: 18px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.3s ease, border-color 0.3s ease;
}

.drawer-link:hover,
.drawer-link.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.drawer-info {
  margin-top: auto;
  padding-top: 32px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
  line-height: 2;
}

.drawer-info strong {
  color: rgba(255, 255, 255, 0.92);
  margin-right: 6px;
}

/* ============ Hero ============ */
.category-hero {
  position: relative;
  min-height: 68vh;
  display: flex;
  align-items: center;
  padding-top: 76px;
  background: linear-gradient(to right, rgba(8, 31, 30, 0.92) 20%, rgba(8, 31, 30, 0.65) 55%, rgba(8, 31, 30, 0.35) 100%),
              url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  background-color: var(--primary-dark);
}

.category-hero-inner {
  max-width: var(--container-w);
  width: calc(100% - 48px);
  margin: 0 auto;
  padding: 64px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  background: rgba(197, 160, 89, 0.16);
  border: 1px solid rgba(197, 160, 89, 0.55);
  color: #E3C58A;
  border-radius: var(--radius-badge);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  margin-bottom: 22px;
  text-transform: uppercase;
}

.category-hero h1 {
  color: #fff;
  font-size: 3.2rem;
  line-height: 1.25;
  max-width: 760px;
  margin-bottom: 18px;
  font-weight: 700;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.2);
}

.category-hero .hero-sub {
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.1rem;
  max-width: 620px;
  line-height: 1.8;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--radius-btn);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.3s ease;
  line-height: 1.4;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--primary);
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(197, 160, 89, 0.25);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

.btn-primary:active,
.btn-outline-light:active {
  transform: scale(0.98);
}

.hero-meta-row {
  display: flex;
  gap: 36px;
  margin-top: 44px;
  flex-wrap: wrap;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.88rem;
}

.hero-meta-item svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
}

/* ============ Section base ============ */
.section {
  padding: var(--spacer-lg) 0;
}

.section-warm {
  background: var(--bg-warm);
}

.section-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-head .section-kicker {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 6px;
}

.section-head h2 {
  font-size: 2.4rem;
  color: var(--text-main);
  margin-bottom: 16px;
  line-height: 1.35;
}

.section-head p {
  color: var(--text-weak);
  font-size: 1rem;
  line-height: 1.8;
}

/* ============ Steps Flow (category3 signature) ============ */
.steps-section {
  position: relative;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  counter-reset: step-counter;
}

.step-card {
  background: var(--bg-sail);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-card);
  padding: 0;
  position: relative;
  box-shadow: var(--shadow-card);
  transition: all 0.4s ease;
  counter-increment: step-counter;
  overflow: hidden;
}

.step-card::before {
  content: "0" counter(step-counter);
  position: absolute;
  top: 20px;
  right: 24px;
  font-family: "Noto Serif SC", serif;
  font-size: 2.6rem;
  font-weight: 700;
  color: rgba(197, 160, 89, 0.28);
  line-height: 1;
  z-index: 0;
  transition: color 0.4s ease;
}

.step-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: 0 16px 32px rgba(11, 47, 46, 0.1);
}

.step-card:hover::before {
  color: rgba(197, 160, 89, 0.6);
}

.step-media {
  width: 100%;
  height: 180px;
  overflow: hidden;
  position: relative;
  background: var(--bg-warm);
}

.step-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.step-card:hover .step-media img {
  transform: scale(1.06);
}

.step-body {
  padding: 28px 26px 26px;
}

.step-body h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: var(--text-main);
  position: relative;
}

.step-body p {
  font-size: 0.92rem;
  color: var(--text-weak);
  line-height: 1.75;
  margin-bottom: 20px;
}

.step-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.step-link svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
}

.step-link:hover {
  color: var(--accent-hover);
}

.step-link:hover svg {
  transform: translateX(4px);
}

/* ============ Route cards ============ */
.route-section {
  padding: var(--spacer-lg) 0;
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.route-card {
  background: var(--bg-warm);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-card);
  padding: 36px 30px 30px;
  position: relative;
  transition: all 0.4s ease;
}

.route-card::after {
  content: "";
  position: absolute;
  left: 30px;
  top: 0;
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 0 0 4px 4px;
  opacity: 0.6;
  transition: width 0.4s ease, opacity 0.4s ease;
}

.route-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-card);
  background: var(--bg-sail);
}

.route-card:hover::after {
  width: 56px;
  opacity: 1;
}

.route-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  border-radius: 12px;
  color: var(--accent);
  margin-bottom: 22px;
}

.route-icon svg {
  width: 24px;
  height: 24px;
}

.route-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.route-card .route-duration {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--accent);
  background: rgba(197, 160, 89, 0.15);
  padding: 4px 12px;
  border-radius: var(--radius-badge);
  margin-bottom: 14px;
  letter-spacing: 0.04em;
}

.route-card p {
  font-size: 0.92rem;
  color: var(--text-weak);
  margin-bottom: 18px;
}

.route-features {
  list-style: none;
  margin: 0;
  padding: 0;
}

.route-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-body);
  padding: 5px 0;
}

.route-features li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ============ Split block ============ */
.split-block {
  padding: var(--spacer-lg) 0;
}

.split-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.split-media {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(11, 47, 46, 0.12);
  background: var(--bg-warm);
}

.split-media img {
  width: 100%;
  height: 460px;
  object-fit: cover;
}

.split-media .badge-float {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: var(--primary);
  color: #fff;
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  padding: 14px 22px;
  font-size: 0.82rem;
  line-height: 1.6;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}

.split-content h2 {
  font-size: 2rem;
  margin-bottom: 16px;
  line-height: 1.4;
}

.split-content .lead-text {
  font-size: 1.05rem;
  color: var(--text-body);
  margin-bottom: 24px;
}

.check-list {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
}

.check-list li {
  position: relative;
  padding: 8px 0 8px 40px;
  font-size: 0.95rem;
  color: var(--text-body);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(197, 160, 89, 0.2);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 8.5L6.5 12L13 4.5' stroke='%23C5A059' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 14px;
  background-position: center;
  background-repeat: no-repeat;
}

.trust-strip {
  margin-top: 32px;
  padding: 20px 24px;
  background: var(--bg-warm);
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.trust-strip svg {
  width: 26px;
  height: 26px;
  color: var(--accent);
  flex-shrink: 0;
}

.trust-strip p {
  font-size: 0.88rem;
  margin: 0;
  color: var(--text-body);
  line-height: 1.7;
}

/* ============ Stats strip ============ */
.stats-band {
  background: var(--primary);
  padding: 56px 0;
  color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item {
  padding: 8px 16px;
}

.stat-item .stat-num {
  font-family: "Noto Serif SC", serif;
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  display: block;
  margin-bottom: 8px;
}

.stat-item .stat-label {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.88rem;
  letter-spacing: 0.03em;
}

/* ============ FAQ ============ */
.faq-section {
  padding: var(--spacer-lg) 0;
}

.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-soft);
}

.faq-item:first-of-type {
  border-top: 1px solid var(--border-soft);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 16px;
  text-align: left;
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--text-main);
  transition: color 0.3s ease;
  background: transparent;
  border-radius: 8px;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border-soft);
  transition: all 0.4s ease;
  position: relative;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.4s ease;
}

.faq-icon::before {
  width: 12px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 12px;
}

.faq-item.open .faq-icon {
  border-color: var(--accent);
  background: rgba(197, 160, 89, 0.1);
}

.faq-item.open .faq-icon::before {
  background: var(--accent);
}

.faq-item.open .faq-icon::after {
  transform: scaleY(0);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 16px 24px 48px;
  font-size: 0.94rem;
  color: var(--text-body);
  line-height: 1.9;
  border-left: 2px solid var(--accent);
  margin-left: 16px;
}

/* ============ CTA form ============ */
.cta-section {
  position: relative;
  background: var(--primary);
  padding: var(--spacer-lg) 0;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  right: -10%;
  top: -30%;
  width: 640px;
  height: 640px;
  border-radius: 50%;
  border: 1px solid rgba(197, 160, 89, 0.14);
}

.cta-section::after {
  content: "";
  position: absolute;
  right: -5%;
  bottom: -40%;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  border: 1px solid rgba(197, 160, 89, 0.1);
}

.cta-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.cta-info h2 {
  color: #fff;
  font-size: 2rem;
  line-height: 1.4;
  margin-bottom: 16px;
}

.cta-info p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1rem;
  line-height: 1.9;
  margin-bottom: 26px;
}

.cta-info .hotline {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: "Noto Serif SC", serif;
  font-size: 1.5rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.cta-info .hotline svg {
  width: 22px;
  height: 22px;
}

.form-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  padding: 36px;
  backdrop-filter: blur(6px);
}

.form-card h3 {
  color: #fff;
  font-size: 1.35rem;
  margin-bottom: 8px;
}

.form-card .form-sub {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.88rem;
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  position: relative;
}

.form-group.full {
  grid-column: 1 / -1;
}

.form-group label {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8rem;
  transition: all 0.3s ease;
  pointer-events: none;
}

.form-group textarea ~ label {
  top: 24px;
  transform: none;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  padding: 14px 4px 10px;
  font-size: 0.95rem;
  border-radius: 0;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.form-group input:not(:placeholder-shown),
.form-group textarea:not(:placeholder-shown) {
  border-bottom-color: var(--accent);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 6L8 11L13 6' stroke='%23C5A059' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 4px center;
  background-size: 14px;
}

.form-group select option {
  background: var(--primary);
  color: #fff;
}

.form-group textarea {
  min-height: 90px;
  resize: vertical;
}

.btn-form {
  width: 100%;
  background: var(--accent);
  color: var(--primary);
  font-size: 1rem;
  font-weight: 600;
  padding: 15px 24px;
  border-radius: var(--radius-btn);
  border: none;
  transition: all 0.3s ease;
  margin-top: 24px;
  letter-spacing: 0.04em;
}

.btn-form:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
}

.btn-form:active {
  transform: scale(0.98);
}

.form-privacy {
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.4);
  margin-top: 16px;
  line-height: 1.6;
}

/* ============ Footer ============ */
.site-footer {
  background: var(--primary-dark);
  padding: 64px 0 0;
  color: rgba(255, 255, 255, 0.7);
  border-top: 0.5px solid rgba(197, 160, 89, 0.4);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-brand .brand-text {
  color: #fff;
  font-size: 1.2rem;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
  max-width: 300px;
  margin: 16px 0 0;
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-family: "Noto Sans SC", sans-serif;
  font-weight: 600;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 14px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--accent);
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.88rem;
  padding: 5px 0;
  transition: color 0.3s ease, padding-left 0.3s ease;
}

.footer-col a:hover {
  color: var(--accent);
  padding-left: 6px;
}

.footer-contact-item {
  font-size: 0.88rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 8px;
}

.footer-contact-item strong {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  margin-right: 4px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.4);
  border-bottom: 1px solid transparent;
}

.footer-bottom a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .header-inner {
    width: calc(100% - 40px);
  }

  .desktop-nav {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .header-cta {
    display: none;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .route-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .split-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .cta-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .category-hero h1 {
    font-size: 2.6rem;
  }
}

@media (max-width: 768px) {
  :root {
    --spacer-lg: 64px;
    --spacer-md: 40px;
    --spacer-sm: 28px;
  }

  .container {
    width: calc(100% - 32px);
  }

  .header-inner {
    width: calc(100% - 32px);
    height: 66px;
  }

  .brand-text {
    font-size: 1.15rem;
  }

  .category-hero {
    min-height: 68vh;
    padding-top: 66px;
  }

  .category-hero-inner {
    width: calc(100% - 32px);
    padding: 40px 0;
  }

  .category-hero h1 {
    font-size: 2.1rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-meta-row {
    gap: 16px;
    flex-direction: column;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .route-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-brand p {
    max-width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }

  .section-head h2 {
    font-size: 1.7rem;
  }

  .split-media img {
    height: 320px;
  }

  .step-media {
    height: 200px;
  }

  .form-card {
    padding: 28px 22px;
  }
}

@media (max-width: 480px) {
  .category-hero h1 {
    font-size: 1.8rem;
  }

  .hero-sub {
    font-size: 0.95rem;
  }

  .stat-item .stat-num {
    font-size: 2rem;
  }

  .route-card {
    padding: 28px 22px;
  }

  .split-media .badge-float {
    left: 16px;
    bottom: 16px;
    right: 16px;
    font-size: 0.8rem;
  }

  .trust-strip {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px;
  }

  .cta-info .hotline {
    font-size: 1.25rem;
  }
}
