/* roulang page: index */
:root {
  --c-bg: #0B0F0E;
  --c-bg2: #131A18;
  --c-bg3: #101413;
  --c-brand: #C87B28;
  --c-brand2: #D9973C;
  --c-accent: #E8562A;
  --c-success: #7EA873;
  --c-text: #E8E2D8;
  --c-text2: #9BA19C;
  --c-border: #2A302D;
  --c-border-l: rgba(255,255,255,0.08);
  --radius: 6px;
  --radius-sm: 2px;
  --shadow: 0 4px 0 rgba(0,0,0,0.35), 0 8px 24px rgba(0,0,0,0.4);
  --container: 1200px;
  --sp: 100px;
  --sp-m: 56px;
  --font-num: "Rajdhani", "Chakra Petch", "Consolas", "Roboto Mono", monospace;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Noto Sans SC", "HarmonyOS Sans", "Source Han Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font-family: inherit; }
ul { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.grid-bg {
  background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 44px 44px;
}
.mono { font-family: var(--font-num); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.9375rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
  letter-spacing: 0.02em;
  line-height: 1.4;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg, var(--c-brand), var(--c-brand2));
  color: #0B0F0E;
  box-shadow: 0 2px 0 rgba(0,0,0,0.25), 0 0 12px rgba(200,123,40,0.25);
}
.btn-primary:hover { filter: brightness(1.12); box-shadow: 0 2px 0 rgba(0,0,0,0.25), 0 0 18px rgba(200,123,40,0.4); }
.btn-primary:active { transform: translateY(2px); box-shadow: none; }
.btn-primary:focus-visible { outline: 2px solid rgba(200,123,40,0.6); outline-offset: 2px; }
.btn-secondary {
  background: transparent;
  color: var(--c-text);
  border-color: rgba(255,255,255,0.25);
}
.btn-secondary:hover { border-color: var(--c-brand); color: #fff; background: rgba(200,123,40,0.08); }
.btn-secondary:active { transform: translateY(1px); }
.btn-secondary:focus-visible { outline: 2px solid rgba(200,123,40,0.5); outline-offset: 2px; }
.btn-disabled, .btn:disabled { opacity: 0.5; box-shadow: none; cursor: not-allowed; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-family: var(--font-num);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  border: 1px solid rgba(200,123,40,0.5);
  color: var(--c-brand2);
  border-radius: var(--radius-sm);
  background: rgba(200,123,40,0.08);
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}
.badge-green {
  border-color: rgba(126,168,115,0.5);
  color: var(--c-success);
  background: rgba(126,168,115,0.08);
}
.badge-orange {
  border-color: rgba(232,86,42,0.5);
  color: #ff8a5c;
  background: rgba(232,86,42,0.1);
}

.section { padding: var(--sp) 0; position: relative; }
.section-head { margin-bottom: 48px; }
.section-head .tag {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--c-brand2);
  text-transform: uppercase;
  margin-bottom: 8px;
  border: 1px solid rgba(200,123,40,0.3);
  padding: 2px 12px;
  border-radius: var(--radius-sm);
  background: rgba(200,123,40,0.05);
}
.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
  color: var(--c-text);
}
.section-head p {
  color: var(--c-text2);
  font-size: 1rem;
  max-width: 720px;
  line-height: 1.8;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(11,15,14,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}
.site-header.scrolled {
  background: rgba(11,15,14,0.95);
  border-bottom-color: var(--c-border-l);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--c-brand), var(--c-brand2));
  color: #0B0F0E;
  font-weight: 700;
  font-size: 1.125rem;
  border-radius: var(--radius-sm);
  clip-path: polygon(20% 0, 80% 0, 100% 20%, 100% 80%, 80% 100%, 20% 100%, 0 80%, 0 20%);
}
.logo-text {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-text);
}
.logo-text span { color: var(--c-brand2); }
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.main-nav .nav-link {
  position: relative;
  font-size: 0.9375rem;
  color: var(--c-text2);
  padding: 6px 2px;
  transition: color 0.25s;
  white-space: nowrap;
}
.main-nav .nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--c-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.main-nav .nav-link:hover { color: var(--c-text); }
.main-nav .nav-link:hover::after { transform: scaleX(1); }
.main-nav .nav-link.active { color: #fff; }
.main-nav .nav-link.active::after { transform: scaleX(1); }
.nav-cta { height: 44px; padding: 0 24px; font-size: 0.875rem; flex-shrink: 0; }
.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid var(--c-border-l);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.03);
}
.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--c-text);
  transition: all 0.3s;
}
.mobile-menu {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--c-bg2);
  border-bottom: 1px solid var(--c-border-l);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  z-index: 998;
}
.mobile-menu.open { max-height: 420px; }
.mobile-menu a {
  display: block;
  padding: 16px 24px;
  border-bottom: 1px solid var(--c-border-l);
  color: var(--c-text2);
  font-size: 0.9375rem;
  transition: background 0.25s;
}
.mobile-menu a:hover { background: rgba(255,255,255,0.04); color: var(--c-text); }
.mobile-menu a.active { color: var(--c-brand2); background: rgba(200,123,40,0.08); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 100px;
  background: url('/assets/images/backpic/back-1.jpg') no-repeat center center / cover;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(11,15,14,0.95) 0%, rgba(11,15,14,0.78) 50%, rgba(11,15,14,0.35) 100%);
  z-index: 1;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  z-index: 1;
}
.hero .container { position: relative; z-index: 2; }
.hero-content { max-width: 820px; }
.hero-badge-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.hero h1 .highlight { color: var(--c-brand2); }
.hero-desc {
  font-size: 1.0625rem;
  color: var(--c-text2);
  line-height: 1.85;
  max-width: 640px;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.hero-metrics {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px solid var(--c-border-l);
}
.hero-metric .m-value {
  font-size: 1.75rem;
  font-weight: 700;
  font-family: var(--font-num);
  color: var(--c-brand2);
  line-height: 1.2;
}
.hero-metric .m-label {
  font-size: 0.8125rem;
  color: var(--c-text2);
  margin-top: 4px;
}
.hero-mark {
  position: absolute;
  bottom: 32px;
  right: 32px;
  z-index: 2;
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.3);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 6px 14px;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}

/* ===== Services ===== */
.services { background: var(--c-bg); }
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.service-card {
  position: relative;
  background: var(--c-bg2);
  border: 1px solid var(--c-border-l);
  border-radius: var(--radius);
  padding: 36px 32px 32px;
  transition: all 0.35s ease;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--c-brand), transparent);
  opacity: 0.5;
  transition: opacity 0.3s;
}
.service-card:hover {
  border-color: rgba(200,123,40,0.4);
  background: rgba(19,26,24,0.95);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.service-card:hover::before { opacity: 1; }
.service-num {
  font-family: var(--font-num);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--c-brand);
  margin-bottom: 16px;
  display: block;
}
.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.service-card p {
  color: var(--c-text2);
  font-size: 0.9375rem;
  line-height: 1.75;
  margin-bottom: 20px;
}
.service-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--c-brand2);
  transition: gap 0.25s;
}
.service-more:hover { gap: 10px; color: var(--c-brand); }

/* ===== Stats ===== */
.stats { background: var(--c-bg2); position: relative; }
.stats .container { display: flex; flex-wrap: wrap; gap: 24px; }
.stats-main { flex: 1 1 100%; }
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat-card {
  background: var(--c-bg3);
  border: 1px solid var(--c-border-l);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: left;
  transition: border-color 0.3s;
}
.stat-card:hover { border-color: rgba(200,123,40,0.35); }
.stat-value {
  font-size: 2.75rem;
  font-weight: 700;
  font-family: var(--font-num);
  color: var(--c-brand2);
  line-height: 1.1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.875rem;
  color: var(--c-text2);
  line-height: 1.5;
}
.stat-bar {
  height: 3px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  margin-top: 16px;
  overflow: hidden;
}
.stat-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--c-brand), var(--c-brand2));
  border-radius: 2px;
}

/* ===== Cases ===== */
.cases { background: var(--c-bg); }
.cases-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.case-card {
  background: var(--c-bg2);
  border: 1px solid var(--c-border-l);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.35s;
}
.case-card:hover { border-color: rgba(200,123,40,0.4); transform: translateY(-3px); box-shadow: var(--shadow); }
.case-card.offset { margin-top: 40px; }
.case-img {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}
.case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.case-card:hover .case-img img { transform: scale(1.03); }
.case-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(11,15,14,0.7) 100%);
}
.case-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
}
.case-body { padding: 24px 28px 28px; }
.case-body h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
}
.case-body p {
  color: var(--c-text2);
  font-size: 0.9375rem;
  line-height: 1.75;
  margin-bottom: 16px;
}
.case-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ===== Process ===== */
.process { background: var(--c-bg2); position: relative; }
.process .container { position: relative; z-index: 2; }
.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 16%;
  right: 16%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200,123,40,0.3), transparent);
}
.process-step {
  background: var(--c-bg3);
  border: 1px solid var(--c-border-l);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: all 0.3s;
  position: relative;
}
.process-step:hover { border-color: rgba(200,123,40,0.35); transform: translateY(-2px); }
.step-num {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--c-brand), var(--c-brand2));
  color: #0B0F0E;
  font-family: var(--font-num);
  font-size: 1.5rem;
  font-weight: 700;
  clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%);
}
.process-step h3 { font-size: 1.125rem; margin-bottom: 8px; }
.process-step p { color: var(--c-text2); font-size: 0.9375rem; line-height: 1.7; }

/* ===== FAQ ===== */
.faq { background: var(--c-bg); }
.faq-wrap { max-width: 860px; }
.faq-item {
  border-bottom: 1px solid var(--c-border-l);
  transition: background 0.25s;
}
.faq-item:hover { background: var(--c-bg2); }
.faq-item.open { border-left: 3px solid var(--c-brand); padding-left: 12px; }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 12px 22px 4px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--c-text);
}
.faq-q .q-num {
  font-family: var(--font-num);
  color: var(--c-brand);
  margin-right: 14px;
  font-size: 0.875rem;
}
.faq-q-text { flex: 1; }
.faq-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--c-brand2);
  transition: transform 0.3s;
  flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a {
  padding: 0 12px 24px 34px;
  color: var(--c-text2);
  font-size: 0.9375rem;
  line-height: 1.8;
  display: none;
}
.faq-item.open .faq-a { display: block; }

/* ===== Contact / CTA ===== */
.contact {
  background: var(--c-bg2);
  position: relative;
  overflow: hidden;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-left h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 16px;
  line-height: 1.3;
}
.contact-left p { color: var(--c-text2); margin-bottom: 24px; font-size: 1rem; line-height: 1.8; }
.contact-info-list { display: flex; flex-direction: column; gap: 14px; }
.contact-info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--c-text2);
  font-size: 0.9375rem;
}
.contact-info-item .ci-ico {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(200,123,40,0.4);
  border-radius: 2px;
  font-size: 0.75rem;
  color: var(--c-brand2);
  font-family: var(--font-num);
}
.contact-form {
  background: var(--c-bg3);
  border: 1px solid var(--c-border-l);
  border-radius: var(--radius);
  padding: 32px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.8125rem;
  color: var(--c-text2);
  margin-bottom: 6px;
  font-weight: 500;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--c-bg);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  padding: 12px 14px;
  color: var(--c-text);
  font-size: 0.9375rem;
  transition: all 0.3s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--c-brand);
  box-shadow: 0 0 0 3px rgba(200,123,40,0.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #5a605c; }
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239BA19C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 40px;
}
.form-submit { width: 100%; margin-top: 8px; }

/* ===== Footer ===== */
.site-footer {
  background: var(--c-bg);
  border-top: 1px solid var(--c-border-l);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p { color: var(--c-text2); font-size: 0.875rem; line-height: 1.75; max-width: 360px; }
.footer-col h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--c-text);
  letter-spacing: 0.03em;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a {
  color: var(--c-text2);
  font-size: 0.875rem;
  transition: color 0.25s;
}
.footer-col ul a:hover { color: var(--c-brand2); }
.footer-contact li { color: var(--c-text2); font-size: 0.875rem; display: flex; align-items: center; gap: 8px; }
.footer-bottom {
  border-top: 1px solid var(--c-border-l);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { color: var(--c-text2); font-size: 0.8125rem; }
.footer-mark {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--c-brand), var(--c-brand2));
  color: #0B0F0E;
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 2px;
  clip-path: polygon(20% 0, 80% 0, 100% 20%, 100% 80%, 80% 100%, 20% 100%, 0 80%, 0 20%);
}

/* ===== Page Banner (category) ===== */
.page-banner {
  position: relative;
  padding: 160px 0 80px;
  background: url('/assets/images/backpic/back-2.jpg') no-repeat center center / cover;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(11,15,14,0.95) 0%, rgba(11,15,14,0.75) 60%, rgba(11,15,14,0.35) 100%);
}
.page-banner::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--c-brand), transparent);
}
.page-banner .container { position: relative; z-index: 2; padding-bottom: 32px; }
.page-banner .badge-row { margin-bottom: 20px; display: flex; gap: 12px; flex-wrap: wrap; }
.page-banner h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 14px;
  max-width: 820px;
}
.page-banner .banner-desc {
  color: var(--c-text2);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 600px;
}

/* ===== Category Tag Bar ===== */
.tag-bar {
  background: var(--c-bg);
  padding: 24px 0;
  border-bottom: 1px solid var(--c-border-l);
}
.tag-bar-inner {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.tag-btn {
  padding: 8px 18px;
  font-size: 0.875rem;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  color: var(--c-text2);
  background: var(--c-bg2);
  transition: all 0.3s;
  white-space: nowrap;
}
.tag-btn:hover { border-color: var(--c-brand); color: var(--c-text); }
.tag-btn.active {
  background: linear-gradient(135deg, var(--c-brand), var(--c-brand2));
  color: #0B0F0E;
  border-color: transparent;
  font-weight: 700;
}

/* ===== Category Content ===== */
.cat-content { padding: var(--sp) 0; background: var(--c-bg); }
.cat-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  align-items: start;
}
.cat-main { display: flex; flex-direction: column; gap: 28px; }
.cat-card {
  display: flex;
  gap: 24px;
  background: var(--c-bg2);
  border: 1px solid var(--c-border-l);
  border-radius: var(--radius);
  padding: 20px;
  transition: all 0.35s;
}
.cat-card:hover { border-color: rgba(200,123,40,0.4); box-shadow: var(--shadow); }
.cat-card-img {
  width: 220px;
  flex-shrink: 0;
  aspect-ratio: 4/3;
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(255,255,255,0.08);
}
.cat-card-img img { width: 100%; height: 100%; object-fit: cover; }
.cat-card-body { flex: 1; display: flex; flex-direction: column; }
.cat-card-body h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 10px; line-height: 1.4; }
.cat-card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.cat-tag {
  font-size: 0.75rem;
  padding: 2px 10px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 2px;
  color: var(--c-text2);
  font-family: var(--font-num);
}
.cat-score { margin-bottom: 12px; }
.cat-score-label {
  font-size: 0.75rem;
  color: var(--c-text2);
  display: flex;
  justify-content: space-between;
  margin-bottom: 4px;
}
.cat-score-label span { color: var(--c-brand2); font-family: var(--font-num); }
.cat-score-bar {
  height: 4px;
  background: rgba(255,255,255,0.07);
  border-radius: 2px;
  overflow: hidden;
}
.cat-score-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--c-brand), var(--c-brand2));
  border-radius: 2px;
}
.cat-card-body p {
  color: var(--c-text2);
  font-size: 0.875rem;
  line-height: 1.75;
  margin-bottom: 14px;
  flex: 1;
}
.cat-btn {
  align-self: flex-start;
  padding: 8px 20px;
  font-size: 0.8125rem;
  font-weight: 600;
  background: transparent;
  border: 1px solid var(--c-brand);
  color: var(--c-brand2);
  border-radius: var(--radius-sm);
  transition: all 0.3s;
}
.cat-btn:hover { background: var(--c-brand); color: #0B0F0E; }

.cat-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 96px;
}
.side-card {
  background: var(--c-bg2);
  border: 1px solid var(--c-border-l);
  border-radius: var(--radius);
  padding: 24px;
}
.side-card h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-border-l);
  letter-spacing: 0.03em;
}
.side-list li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 0.875rem;
  color: var(--c-text2);
  display: flex;
  gap: 10px;
  align-items: flex-start;
  line-height: 1.6;
}
.side-list li:last-child { border-bottom: none; }
.side-list li::before {
  content: '▸';
  color: var(--c-brand);
  flex-shrink: 0;
  font-size: 0.75rem;
  margin-top: 2px;
}
.side-faq-item { margin-bottom: 14px; }
.side-faq-item:last-child { margin-bottom: 0; }
.side-faq-item .q { font-size: 0.875rem; font-weight: 600; color: var(--c-text); margin-bottom: 6px; }
.side-faq-item .a { font-size: 0.8125rem; color: var(--c-text2); line-height: 1.7; }
.side-cta {
  background: linear-gradient(135deg, rgba(200,123,40,0.12), rgba(217,151,60,0.06));
  border: 1px solid rgba(200,123,40,0.35);
}
.side-cta h4 { color: var(--c-brand2); border-bottom-color: rgba(200,123,40,0.2); }
.side-cta p { font-size: 0.875rem; color: var(--c-text2); margin-bottom: 16px; line-height: 1.7; }
.side-cta .btn { width: 100%; }
.side-mark {
  text-align: right;
  font-family: var(--font-num);
  font-size: 0.6875rem;
  color: rgba(255,255,255,0.2);
  letter-spacing: 0.12em;
  padding: 0 4px;
}

/* ===== CTA strip (category) ===== */
.cta-strip {
  background: var(--c-bg2);
  padding: 56px 0;
  border-top: 1px solid var(--c-border-l);
  position: relative;
}
.cta-strip .contact-grid { gap: 40px; }
.cta-strip .contact-form { padding: 24px; }
.cta-strip .section-head { margin-bottom: 0; }

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { gap: 16px; }
  .cat-grid { grid-template-columns: 1fr; }
  .cat-sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero { min-height: auto; padding: 120px 0 80px; }
}
@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .section { padding: var(--sp-m) 0; }
  .header-inner { height: 64px; }
  .main-nav { display: none; }
  .menu-toggle { display: flex; }
  .nav-cta { display: none; }
  .mobile-menu { display: block; }
  .hero { padding: 100px 0 60px; }
  .hero h1 { font-size: 1.8rem; }
  .hero-desc { font-size: 0.9375rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-metrics { gap: 20px; }
  .services-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .case-card.offset { margin-top: 0; }
  .process-steps { grid-template-columns: 1fr; }
  .process-steps::before { display: none; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-form { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .page-banner { padding: 120px 0 60px; min-height: 320px; }
  .cat-grid { gap: 28px; }
  .cat-card { flex-direction: column; padding: 16px; }
  .cat-card-img { width: 100%; aspect-ratio: 16/9; }
  .cat-card-body p { margin-bottom: 12px; }
  .cat-btn { align-self: stretch; text-align: center; }
  .faq-wrap { padding: 0; }
  .faq-q { padding: 18px 4px; }
  .faq-q-text { font-size: 0.9375rem; }
  .form-submit { width: 100%; }
  .stat-grid { gap: 12px; }
  .stat-card { padding: 20px 16px; }
  .stat-value { font-size: 2rem; }
}
@media (max-width: 480px) {
  .badge { font-size: 0.75rem; padding: 3px 10px; }
  .tag-btn { padding: 6px 12px; font-size: 0.8125rem; }
}

/* roulang page: category1 */
:root {
  --bg-primary: #0B0F0E;
  --bg-secondary: #131A18;
  --bg-card: #161E1C;
  --bg-input: #101413;
  --brand: #C87B28;
  --brand-light: #D9973C;
  --accent: #E8562A;
  --success: #7EA873;
  --text-primary: #E8E2D8;
  --text-secondary: #9BA19C;
  --border: #2A302D;
  --border-light: rgba(255,255,255,0.08);
  --radius: 6px;
  --radius-sm: 4px;
  --shadow-card: 0 4px 0 rgba(0,0,0,0.35), 0 8px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 12px rgba(201,123,40,0.35);
  --font-sans: 'Noto Sans SC', 'HarmonyOS Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-num: 'Rajdhani', 'Chakra Petch', 'Courier New', monospace;
  --spacing-section: 96px;
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

button,
input,
textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

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

/* ---------- Header/Nav ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(11, 15, 14, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s;
}

.site-header.scrolled {
  background: rgba(11, 15, 14, 0.95);
  border-color: var(--border-light);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  color: #0B0F0E;
  font-weight: 700;
  font-size: 20px;
  border-radius: var(--radius-sm);
  box-shadow: 0 0 12px rgba(200, 123, 40, 0.4);
}

.logo-text {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.logo-text span {
  color: var(--brand-light);
  font-weight: 400;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  position: relative;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 400;
  padding: 8px 0;
  transition: color 0.25s;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--brand);
  transition: width 0.3s;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: var(--text-primary);
}

.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.btn-main {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  color: #0B0F0E;
  font-weight: 700;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
  border: none;
  white-space: nowrap;
}

.btn-main::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s;
}

.btn-main:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 12px rgba(200, 123, 40, 0.3);
}

.btn-main:hover::before {
  left: 100%;
}

.btn-main:active {
  transform: translateY(2px);
}

.btn-main:focus-visible {
  outline: 2px solid rgba(200, 123, 40, 0.6);
  outline-offset: 2px;
}

.btn-main.disabled,
.btn-main[disabled] {
  opacity: 0.5;
  filter: none;
  box-shadow: none;
  cursor: not-allowed;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-weight: 500;
  font-size: 15px;
  padding: 11px 24px;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-outline:hover {
  border-color: var(--brand);
  color: #fff;
}

.btn-outline:active {
  transform: translateY(2px);
}

.btn-outline:focus-visible {
  outline: 2px solid rgba(200, 123, 40, 0.6);
  outline-offset: 2px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  cursor: pointer;
  padding: 8px;
  border-radius: 4px;
}

.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s;
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Page Banner ---------- */
.page-banner {
  position: relative;
  min-height: 55vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  background: url('/assets/images/backpic/back-2.jpg') center center / cover no-repeat;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11, 15, 14, 0.95) 0%, rgba(11, 15, 14, 0.65) 50%, rgba(11, 15, 14, 0.35) 100%);
}

.page-banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--brand), var(--brand-light), transparent);
}

.banner-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.banner-badge {
  position: absolute;
  top: -30px;
  right: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(11, 15, 14, 0.7);
  border: 1px solid var(--brand);
  color: var(--brand-light);
  font-size: 13px;
  font-family: var(--font-num);
  letter-spacing: 1px;
  border-radius: 2px;
  text-transform: uppercase;
}

.banner-content h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.banner-content h1 .highlight {
  color: var(--brand-light);
}

.banner-content p {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
  max-width: 600px;
}

/* ---------- Tag Bar ---------- */
.tag-bar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
  position: relative;
  z-index: 5;
}

.tag-list {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  flex-wrap: wrap;
  align-items: center;
}

.tag-item {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  background: rgba(11, 15, 14, 0.8);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 14px;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.3s;
  white-space: nowrap;
}

.tag-item:hover {
  border-color: var(--brand);
  color: var(--text-primary);
}

.tag-item.active {
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  color: #0B0F0E;
  border-color: transparent;
  font-weight: 700;
}

/* ---------- Category Main ---------- */
.category-main {
  padding: 80px 0;
  background: var(--bg-primary);
  position: relative;
}

.category-main::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.main-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  position: relative;
  z-index: 2;
}

/* ---------- Recommendation Cards ---------- */
.rec-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.rec-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.rec-card:hover {
  border-color: var(--brand);
  box-shadow: var(--shadow-glow);
}

.rec-cover {
  position: relative;
  overflow: hidden;
}

.rec-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 180px;
  transition: transform 0.4s;
}

.rec-card:hover .rec-cover img {
  transform: scale(1.04);
}

.rec-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  pointer-events: none;
}

.rec-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rec-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
}

.rec-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.rec-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: rgba(200, 123, 40, 0.1);
  border: 1px solid rgba(200, 123, 40, 0.3);
  color: var(--brand-light);
  font-size: 12px;
  border-radius: 2px;
  font-family: var(--font-num);
  letter-spacing: 0.5px;
}

.rec-desc {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.rec-score {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}

.score-bar {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
}

.score-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--brand), var(--brand-light));
  border-radius: 3px;
  position: relative;
}

.score-fill::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
}

.score-num {
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 700;
  color: var(--brand-light);
  min-width: 48px;
  text-align: right;
}

.rec-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}

.rec-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 13px;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.3s;
}

.rec-btn:hover {
  border-color: var(--brand);
  color: var(--brand-light);
  background: rgba(200, 123, 40, 0.08);
}

.rec-btn .arrow {
  transition: transform 0.3s;
}

.rec-btn:hover .arrow {
  transform: translateX(4px);
}

/* ---------- Sidebar ---------- */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.side-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.side-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 18px;
  position: relative;
  padding-left: 14px;
}

.side-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  bottom: 2px;
  width: 3px;
  background: linear-gradient(180deg, var(--brand), var(--brand-light));
  border-radius: 2px;
}

.side-list {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.side-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.6;
}

.side-list li:last-child {
  border-bottom: none;
}

.side-list li::before {
  content: '▸';
  color: var(--brand-light);
  flex-shrink: 0;
  font-size: 12px;
  margin-top: 2px;
}

.side-faq {
  display: flex;
  flex-direction: column;
}

.side-faq-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--border-light);
}

.side-faq-item:last-child {
  border-bottom: none;
}

.side-faq-q {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  display: flex;
  gap: 8px;
}

.side-faq-q .q-num {
  color: var(--brand-light);
  font-family: var(--font-num);
  font-size: 13px;
  flex-shrink: 0;
}

.side-faq-a {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.65;
  padding-left: 22px;
}

.side-cta {
  background: linear-gradient(135deg, rgba(200, 123, 40, 0.12), rgba(217, 151, 60, 0.08));
  border: 1px solid rgba(200, 123, 40, 0.3);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.side-cta h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--brand-light);
}

.side-cta p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.side-cta .btn-main {
  width: 100%;
  padding: 10px 16px;
  font-size: 14px;
}

.side-coords {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--text-secondary);
  text-align: right;
  padding: 0 8px;
  letter-spacing: 1px;
  opacity: 0.7;
}

/* ---------- CTA Section ---------- */
.cta-section {
  position: relative;
  padding: 80px 0;
  background: url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 15, 14, 0.95) 0%, rgba(11, 15, 14, 0.85) 50%, rgba(19, 26, 24, 0.9) 100%);
}

.cta-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
}

.cta-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.cta-left h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
}

.cta-left h2 span {
  color: var(--brand-light);
}

.cta-left p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 24px;
}

.cta-contact-info {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-primary);
  padding: 8px 14px;
  background: rgba(11, 15, 14, 0.6);
  border: 1px solid var(--border);
  border-radius: 2px;
}

.cta-contact-item .label {
  color: var(--brand-light);
  font-family: var(--font-num);
  font-size: 13px;
}

.cta-form-wrap {
  background: rgba(19, 26, 24, 0.9);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.cta-form-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.cta-form-sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 13px;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-input);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 14px;
  transition: border-color 0.3s, box-shadow 0.3s;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(200, 123, 40, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239BA19C' stroke-width='1.5' fill='none'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

.form-group select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.form-submit {
  grid-column: 1 / -1;
  margin-top: 8px;
}

.form-submit .btn-main {
  width: 100%;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  max-width: 360px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: var(--brand);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li {
  font-size: 14px;
  color: var(--text-secondary);
}

.footer-col ul a {
  transition: color 0.3s;
}

.footer-col ul a:hover {
  color: var(--brand-light);
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-secondary);
}

.footer-mark {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  color: #0B0F0E;
  font-weight: 700;
  border-radius: 2px;
  font-size: 14px;
}

/* ---------- Decorative focus ring ---------- */
.focus-ring:focus-visible {
  outline: 2px solid rgba(200, 123, 40, 0.6);
  outline-offset: 2px;
}

/* ---------- Mobile Nav Drawer ---------- */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  width: 100%;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 24px;
  flex-direction: column;
  gap: 8px;
  z-index: 999;
  transform: translateY(-100%);
  transition: transform 0.3s ease;
}

.mobile-menu.open {
  transform: translateY(0);
}

.mobile-menu .nav-link {
  display: block;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 16px;
}

.mobile-menu .nav-link::after {
  display: none;
}

.mobile-menu .nav-link.active {
  color: var(--brand-light);
}

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

  .main-grid {
    grid-template-columns: 1.6fr 1fr;
    gap: 28px;
  }

  .rec-card {
    grid-template-columns: 180px 1fr;
  }

  .cta-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 767px) {
  :root {
    --spacing-section: 56px;
  }

  .container {
    padding: 0 16px;
  }

  .header-inner {
    height: 64px;
  }

  .main-nav {
    display: none;
  }

  .nav-cta .btn-main {
    padding: 10px 14px;
    font-size: 13px;
  }

  .nav-cta .btn-main .cta-text-short {
    display: block;
  }

  .nav-cta .btn-main .cta-text-full {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  .page-banner {
    min-height: auto;
    padding: 110px 0 60px;
  }

  .banner-badge {
    position: static;
    margin-bottom: 16px;
    display: inline-flex;
  }

  .banner-content h1 {
    font-size: 1.7rem;
  }

  .banner-content p {
    font-size: 14px;
  }

  .tag-list {
    gap: 10px;
    padding: 16px 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
  }

  .tag-item {
    padding: 7px 14px;
    font-size: 13px;
    flex-shrink: 0;
  }

  .category-main {
    padding: 48px 0;
  }

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

  .rec-card {
    grid-template-columns: 1fr;
  }

  .rec-cover img {
    height: 200px;
    min-height: 0;
  }

  .rec-content {
    padding: 20px;
  }

  .cta-section {
    padding: 56px 0;
  }

  .cta-grid {
    gap: 32px;
  }

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

  .form-group.full {
    grid-column: 1;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .main-grid {
    grid-template-columns: 1.5fr 1fr;
    gap: 24px;
  }

  .rec-card {
    grid-template-columns: 150px 1fr;
  }

  .rec-content {
    padding: 18px;
  }

  .tag-list {
    flex-wrap: nowrap;
    overflow-x: auto;
  }

  .tag-item {
    flex-shrink: 0;
  }
}

@media (min-width: 768px) {
  .mobile-menu {
    display: none !important;
  }

  .cta-text-short {
    display: none;
  }
}