/* ============ Design Variables ============ */
:root {
  --primary: #5c3a2e;
  --primary-dark: #3b2319;
  --primary-light: #7a5a4a;
  --accent: #c9a96a;
  --accent-dark: #b08d4f;
  --accent-light: #eee0c8;
  --bg: #faf6f0;
  --bg-card: #ffffff;
  --bg-dark: #2b1d16;
  --text: #2d2a26;
  --text-light: #6b6560;
  --border: #e8ddd0;
  --radius: 16px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(0,0,0,.05);
  --shadow-md: 0 8px 28px rgba(0,0,0,.08);
  --shadow-lg: 0 16px 44px rgba(0,0,0,.12);
  --space-lg: 96px;
  --space-md: 64px;
  --space-sm: 40px;
  --transition: all .25s ease;
}
/* ============ Reset / Base ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  margin: 0;
  padding: 0;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; margin: 0; padding: 0; }
input, button, textarea { font-family: inherit; }
/* ============ Layout ============ */
.site-layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 280px;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  background: var(--bg-dark);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  padding: 32px 24px 24px;
  border-right: 1px solid rgba(255,255,255,.06);
  transition: transform .3s ease;
}
.site-main { flex: 1; margin-left: 280px; min-width: 0; }
/* ============ Sidebar Brand ============ */
.brand-logo {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  letter-spacing: 1px;
  padding: 8px 4px 24px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-logo i {
  color: var(--accent);
  font-size: 24px;
}
.brand-logo small {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: rgba(255,255,255,.55);
  letter-spacing: 2px;
  margin-top: 2px;
}
.brand-sub {
  font-size: 11px;
  color: rgba(255,255,255,.5);
  letter-spacing: 1px;
  margin-top: 4px;
}
/* ============ Sidebar Nav ============ */
.sidebar-nav { flex: 1; }
.sidebar-nav .nav-label {
  font-size: 11px;
  color: rgba(255,255,255,.4);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
  padding-left: 12px;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,.72);
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 4px;
  transition: var(--transition);
  position: relative;
}
.nav-link i { width: 20px; text-align: center; font-size: 15px; color: rgba(255,255,255,.45); }
.nav-link:hover {
  background: rgba(255,255,255,.07);
  color: #fff;
}
.nav-link.active {
  background: linear-gradient(135deg, rgba(201,169,106,.22), rgba(201,169,106,.08));
  color: var(--accent);
  font-weight: 600;
}
.nav-link.active i { color: var(--accent); }
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0; top: 20%;
  height: 60%;
  width: 3px;
  background: var(--accent);
  border-radius: 0 4px 4px 0;
}
/* ============ Sidebar Footer ============ */
.sidebar-footer {
  padding: 20px 12px 8px;
  border-top: 1px solid rgba(255,255,255,.08);
  margin-top: auto;
}
.sidebar-footer p { margin: 2px 0; font-size: 13px; color: rgba(255,255,255,.55); }
.sidebar-footer .phone { font-size: 16px; font-weight: 700; color: var(--accent); letter-spacing: 1px; }
.sidebar-footer .btn { margin-top: 12px; width: 100%; text-align: center; }
/* ============ Menu Toggle ============ */
.menu-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  font-size: 20px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.menu-toggle:hover { background: rgba(255,255,255,.1); }
/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn i { font-size: 14px; }
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-accent {
  background: var(--accent);
  color: #2b1d16;
  border-color: var(--accent);
}
.btn-accent:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.6);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,.12);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}
.btn-secondary {
  background: var(--accent-light);
  color: var(--primary-dark);
  border-color: var(--accent-light);
}
.btn-secondary:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-2px);
}
.btn-block { width: 100%; }
/* ============ Section ============ */
.section { position: relative; padding: var(--space-lg) 0; }
.section-tag {
  display: inline-block;
  background: var(--accent-light);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 5px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.section-tag.light { background: rgba(255,255,255,.15); color: #fff; }
.section-title {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--text);
  margin: 0 0 12px;
}
.section-desc {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
  max-width: 640px;
  margin: 0 0 32px;
}
.section-head.center { text-align: center; }
.section-head.center .section-desc { margin-left: auto; margin-right: auto; }
/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 80px 0;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(43,29,22,.88) 0%, rgba(43,29,22,.68) 50%, rgba(43,29,22,.35) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201,169,106,.18);
  border: 1px solid rgba(201,169,106,.4);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 18px;
  border-radius: 100px;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(28px, 4.2vw, 44px);
  font-weight: 800;
  color: #fff;
  line-height: 1.35;
  max-width: 640px;
  margin: 0 0 20px;
  letter-spacing: 1px;
}
.hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,.82);
  line-height: 1.8;
  max-width: 560px;
  margin: 0 0 32px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.72);
  font-size: 13px;
}
.hero-trust i { color: var(--accent); font-size: 15px; }
/* ============ Live Section ============ */
.section-live { background: var(--bg); }
.live-meta { margin: 20px 0 24px; }
.live-meta li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  font-size: 15px;
  color: var(--text);
  border-bottom: 1px dashed var(--border);
}
.live-meta li:last-child { border-bottom: none; }
.live-meta i { color: var(--accent-dark); }
.live-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  border: 1px solid var(--border);
}
.live-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.live-card img { height: 180px; width: 100%; object-fit: cover; }
.live-card-body { padding: 18px 20px 20px; }
.live-card-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 10px 0 4px;
}
.live-card-body p { font-size: 13px; color: var(--text-light); margin: 0; }
.badge-live {
  background: #d94f3d;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 1px;
  display: inline-block;
}
/* ============ Scenes Section ============ */
.section-scenes {
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.section-scenes .section-head { position: relative; z-index: 2; }
.section-scenes .section-desc { color: rgba(255,255,255,.8); }
.scenes-overlay {
  position: absolute;
  inset: 0;
  background: rgba(43,29,22,.72);
  z-index: 1;
}
.section-scenes .grid-container { position: relative; z-index: 2; }
.scene-card {
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  height: 100%;
}
.scene-card:hover {
  background: rgba(255,255,255,.2);
  transform: translateY(-4px);
  border-color: var(--accent);
}
.scene-card .scene-icon {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: rgba(201,169,106,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 24px;
  color: var(--accent);
}
.scene-card h3 { font-size: 16px; font-weight: 700; color: #fff; margin: 0 0 8px; }
.scene-card p { font-size: 13px; color: rgba(255,255,255,.75); margin: 0; line-height: 1.6; }
/* ============ Products Section ============ */
.section-products { background: var(--bg-card); }
.product-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  transition: var(--transition);
  height: 100%;
  overflow: hidden;
}
.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--accent);
}
.product-num {
  font-size: 44px;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent);
  line-height: 1;
  position: absolute;
  top: 18px;
  right: 20px;
  opacity: .35;
}
.product-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary-dark);
  margin-bottom: 18px;
}
.product-card h3 { font-size: 18px; font-weight: 700; margin: 0 0 8px; }
.product-card p { font-size: 13px; color: var(--text-light); margin: 0 0 16px; line-height: 1.6; }
.product-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  background: var(--accent-light);
  color: var(--primary-dark);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
}
.product-price { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 14px; }
.product-price small { font-weight: 400; color: var(--text-light); font-size: 12px; }
.product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 2px;
  transition: var(--transition);
}
.product-link:hover { color: var(--accent-dark); gap: 10px; }
/* ============ Story Section ============ */
.section-story {
  position: relative;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.story-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(43,29,22,.85) 30%, rgba(43,29,22,.5) 100%);
  z-index: 1;
}
.section-story .grid-container { position: relative; z-index: 2; }
.story-content {
  color: #fff;
  padding: 40px 0;
}
.story-content .section-title { color: #fff; }
.story-content .section-desc { color: rgba(255,255,255,.8); }
.story-content p {
  font-size: 15px;
  line-height: 1.9;
  color: rgba(255,255,255,.82);
  max-width: 520px;
  margin-bottom: 24px;
}
.story-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,.15);
}
.story-img img { height: 320px; width: 100%; object-fit: cover; }
.story-quote {
  font-size: 16px;
  font-style: italic;
  color: var(--accent);
  border-left: 3px solid var(--accent);
  padding-left: 16px;
  margin: 24px 0;
}
/* ============ News Section ============ */
.section-news { background: var(--bg); }
.news-list { margin-top: 16px; }
.news-list li {
  padding: 20px 4px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  transition: var(--transition);
}
.news-list li:last-child { border-bottom: none; }
.news-list a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
  flex: 1;
}
.news-list a:hover { color: var(--primary); }
.news-list .news-date {
  font-size: 12px;
  color: var(--text-light);
  white-space: nowrap;
  background: var(--bg-card);
  padding: 4px 12px;
  border-radius: 100px;
  border: 1px solid var(--border);
}
.news-sidebar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.news-sidebar h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent-light);
}
.news-sidebar ol li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--border);
}
.news-sidebar ol li:last-child { border-bottom: none; }
.news-sidebar ol li span {
  font-size: 20px;
  font-weight: 800;
  color: var(--accent);
  width: 28px;
}
.news-sidebar ol li em {
  font-style: normal;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  flex: 1;
}
.news-sidebar ol li small { font-size: 12px; color: var(--text-light); }
/* ============ Subscribe ============ */
.section-subscribe { background: var(--bg-dark); }
.subscribe-box {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 24px;
  padding: 60px 40px;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}
.subscribe-box .section-title { color: #fff; }
.subscribe-box .section-desc { color: rgba(255,255,255,.7); margin-left: auto; margin-right: auto; }
.subscribe-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 32px auto 16px;
}
.subscribe-form input[type="text"] {
  flex: 1;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50px;
  padding: 14px 22px;
  color: #fff;
  font-size: 15px;
  outline: none;
  transition: var(--transition);
  height: auto;
  box-shadow: none;
  margin: 0;
}
.subscribe-form input[type="text"]::placeholder { color: rgba(255,255,255,.45); }
.subscribe-form input[type="text"]:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,.16);
  box-shadow: 0 0 0 3px rgba(201,169,106,.15);
}
.form-note {
  font-size: 12px;
  color: rgba(255,255,255,.4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.form-note i { font-size: 12px; }
/* ============ FAQ ============ */
.section-faq { background: var(--bg-card); }
.faq-list { margin-top: 8px; }
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.faq-q {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-q i {
  font-size: 18px;
  color: var(--accent);
  transition: transform .3s ease;
  flex-shrink: 0;
}
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.85;
  display: none;
}
.faq-item.open .faq-a { display: block; }
/* ============ CTA ============ */
.section-cta { background: var(--bg); }
.cta-box {
  background: linear-gradient(120deg, var(--primary), var(--primary-dark));
  border-radius: 24px;
  padding: 60px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: rgba(201,169,106,.15);
}
.cta-box::after {
  content: '';
  position: absolute;
  bottom: -40px; left: 30%;
  width: 100px; height: 100px;
  border-radius: 50%;
  background: rgba(201,169,106,.08);
}
.cta-box h2 { font-size: clamp(22px, 3vw, 32px); color: #fff; font-weight: 800; margin: 0 0 12px; }
.cta-box p { font-size: 15px; color: rgba(255,255,255,.8); max-width: 480px; margin: 0 auto 28px; }
.cta-box .btn { position: relative; z-index: 2; }
.cta-box .btn-accent:hover { background: #d4b67c; border-color: #d4b67c; }
/* ============ Footer ============ */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,.7);
  padding: 64px 0 0;
}
.footer-brand {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-brand i { color: var(--accent); }
.footer-col p { font-size: 14px; line-height: 1.8; }
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 14px; color: rgba(255,255,255,.65); }
.footer-col ul a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 48px;
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.4);
}
/* ============ Media Queries ============ */
@media (max-width: 1024px) {
  .sidebar {
    width: 100%;
    height: auto;
    bottom: auto;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,.1);
    z-index: 1000;
  }
  .brand-logo {
    padding: 0;
    border-bottom: none;
    margin-bottom: 0;
    font-size: 18px;
  }
  .brand-sub { display: none; }
  .sidebar-nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-dark);
    padding: 12px 20px 20px;
    border-bottom: 1px solid rgba(255,255,255,.1);
    display: none;
  }
  .sidebar-nav.open { display: block; }
  .sidebar-footer { display: none; }
  .menu-toggle { display: inline-flex; }
  .nav-link { padding: 12px 16px; }
  .site-main { margin-left: 0; margin-top: 62px; }
  .section { padding: 56px 0; }
  .section-scenes { background-attachment: scroll; }
  .hero { min-height: 520px; padding: 60px 0; }
  .subscribe-box { padding: 44px 28px; }
  .story-content { padding: 20px 0; }
}
@media (max-width: 768px) {
  .hero h1 { font-size: 26px; }
  .hero-trust { gap: 12px; flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .subscribe-form { flex-direction: column; }
  .subscribe-form .btn { width: 100%; }
  .cta-box { padding: 40px 24px; }
  .section { padding: 44px 0; }
  .live-card img { height: 140px; }
  .footer-col { margin-bottom: 28px; }
}
@media (max-width: 520px) {
  .grid-container { padding-left: 24px; padding-right: 24px; }
  .hero { min-height: 480px; }
  .hero h1 { font-size: 24px; }
  .hero-desc { font-size: 14px; }
  .brand-logo { font-size: 16px; }
  .menu-toggle { width: 40px; height: 40px; }
  .subscribe-box { padding: 32px 20px; }
  .news-list { flex-direction: column; align-items: flex-start; gap: 8px; }
  .news-list .news-date { font-size: 11px; }
}

:root {
  --primary: #1e3a2f;
  --primary-light: #2d4a3a;
  --accent: #b48a55;
  --accent-light: #d4b98a;
  --accent-soft: #f3ece2;
  --bg: #f7f5f0;
  --bg-white: #ffffff;
  --bg-dark: #14281e;
  --text: #2b2b2b;
  --text-light: #6b6f6d;
  --text-faint: #9a9e9c;
  --border: #e8e2d8;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 4px 24px rgba(30,58,47,0.07);
  --shadow-hover: 0 12px 36px rgba(30,58,47,0.14);
  --space: 5rem;
  --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Helvetica Neue", Arial, 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-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.3s ease;
}

button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  background: none;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5 {
  line-height: 1.3;
  font-weight: 700;
  color: var(--text);
}

h1 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  letter-spacing: 0.01em;
}

h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.site-shell {
  min-height: 100vh;
  display: flex;
}

/* ===== Sidebar ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 270px;
  background: linear-gradient(165deg, #162b21 0%, #1e3a2f 70%, #2d4a3a 100%);
  color: rgba(255,255,255,0.88);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  padding: 2.4rem 1.8rem 1.8rem;
  box-shadow: 4px 0 24px rgba(0,0,0,0.08);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.02em;
  margin-bottom: 2.6rem;
}

.sidebar-brand i {
  color: var(--accent-light);
  font-size: 1.5rem;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.nav-label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.45);
  margin-bottom: 0.75rem;
  padding-left: 0.5rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  color: rgba(255,255,255,0.78);
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.nav-link i {
  width: 1.2rem;
  text-align: center;
  font-size: 1rem;
  color: rgba(255,255,255,0.55);
  transition: color 0.3s;
}

.nav-link:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}

.nav-link:hover i {
  color: var(--accent-light);
}

.nav-link.active {
  background: rgba(180,138,85,0.22);
  color: #fff;
  font-weight: 600;
}

.nav-link.active i {
  color: var(--accent-light);
}

.sidebar-bottom {
  margin-top: auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.8;
}

.sidebar-bottom i {
  margin-right: 0.4rem;
}

.mobile-header {
  display: none;
  position: sticky;
  top: 0;
  z-index: 999;
  background: var(--primary);
  padding: 0.85rem 1.2rem;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 12px rgba(0,0,0,0.12);
}

.mobile-brand {
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mobile-brand i {
  color: var(--accent-light);
}

.mobile-toggle {
  background: rgba(255,255,255,0.12);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  transition: background 0.3s;
}

.mobile-toggle:hover {
  background: rgba(255,255,255,0.22);
}

.mobile-toggle:focus {
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

/* ===== Main ===== */
.main-area {
  margin-left: 270px;
  width: calc(100% - 270px);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(180,138,85,0.32);
}

.btn-primary:hover {
  background: #9e7444;
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(180,138,85,0.4);
}

.btn-primary:focus {
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

.btn-outline {
  border-color: rgba(255,255,255,0.6);
  color: #fff;
  background: transparent;
}

.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
}

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

.btn-dark:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(30,58,47,0.28);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 5.5rem 3rem 4.5rem;
  background-image: linear-gradient(105deg, rgba(20,40,30,0.88) 30%, rgba(20,40,30,0.45) 70%, rgba(20,40,30,0.25)), url('/assets/images/backpic/back-1.jpg');
  background-size: cover;
  background-position: center;
  color: #fff;
}

.hero-inner {
  max-width: 1100px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.25);
  padding: 0.4rem 1.2rem;
  border-radius: 50px;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(6px);
}

.hero h1 {
  color: #fff;
  margin-bottom: 1.1rem;
  font-weight: 800;
}

.hero-lead {
  font-size: 1.08rem;
  max-width: 620px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 2.2rem;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.18);
}

.stat-item {
  text-align: center;
}

.stat-num {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--accent-light);
  display: block;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
}

/* ===== Section Base ===== */
.section {
  padding: var(--space) 3rem;
}

.section-head {
  margin-bottom: 2.5rem;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.section-head p.text-light {
  max-width: 540px;
}

.text-light {
  color: var(--text-light);
}

/* ===== Feature Cards ===== */
.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.8rem;
  height: 100%;
  transition: all 0.35s ease;
  box-shadow: var(--shadow);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(180,138,85,0.35);
}

.feature-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1.2rem;
}

.feature-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.75;
}

/* ===== Scene Section ===== */
.scene-area {
  background: var(--bg-white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.scene-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.scene-item {
  display: flex;
  gap: 1rem;
  padding: 1.4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  transition: all 0.3s ease;
}

.scene-item:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateX(4px);
}

.scene-item i {
  font-size: 1.2rem;
  color: var(--accent);
  margin-top: 0.2rem;
}

.scene-item h4 {
  font-size: 0.98rem;
  margin-bottom: 0.25rem;
}

.scene-item p {
  font-size: 0.87rem;
  color: var(--text-light);
  line-height: 1.65;
}

/* ===== Process ===== */
.process-step {
  position: relative;
  padding-left: 2.2rem;
  padding-bottom: 2.2rem;
}

.process-step::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  top: 0.4rem;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, var(--accent) 0%, var(--border) 100%);
}

.process-step:last-child::before {
  display: none;
}

.process-step::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0.4rem;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 2px var(--accent-light);
}

.process-num {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.process-step h3 {
  font-size: 1.05rem;
  margin: 0.25rem 0 0.4rem;
}

.process-step p {
  font-size: 0.92rem;
  color: var(--text-light);
  max-width: 460px;
}

/* ===== Space Gallery ===== */
.space-card {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  transition: all 0.4s ease;
  box-shadow: var(--shadow);
  height: 100%;
}

.space-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 0;
  transition: transform 0.5s ease;
}

.space-card:hover img {
  transform: scale(1.06);
}

.space-info {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,30,22,0.88) 0%, rgba(15,30,22,0.1) 55%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.4rem;
  color: #fff;
  z-index: 2;
}

.space-info h3 {
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 0.2rem;
}

.space-info p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.76);
  margin-bottom: 0.3rem;
}

.space-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(180,138,85,0.28);
  border: 1px solid rgba(255,255,255,0.2);
  font-size: 0.72rem;
  padding: 0.22rem 0.7rem;
  border-radius: 50px;
  width: fit-content;
  margin-bottom: 0.5rem;
}

/* ===== Stats Bar ===== */
.stats-bar {
  background: var(--primary);
  padding: 2.8rem 3rem;
  color: #fff;
}

.stats-bar .stat-num {
  color: var(--accent-light);
}

.stats-bar .stat-label {
  color: rgba(255,255,255,0.7);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.1rem 1.4rem;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: background 0.3s;
}

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

.faq-question:focus {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.faq-question i {
  color: var(--accent);
  font-size: 0.85rem;
  transition: transform 0.3s;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  padding: 0 1.4rem;
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.8;
}

.faq-answer p {
  padding-bottom: 1.2rem;
}

/* ===== CTA ===== */
.cta-block {
  position: relative;
  padding: 5rem 3rem;
  background-image: linear-gradient(to right, rgba(20,40,30,0.86), rgba(20,40,30,0.55)), url('/assets/images/backpic/back-2.jpg');
  background-size: cover;
  background-position: center;
  text-align: center;
  color: #fff;
}

.cta-block h2 {
  color: #fff;
}

.cta-block .text-light {
  color: rgba(255,255,255,0.75);
  max-width: 500px;
  margin: 0 auto 1.8rem;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.65);
  padding: 3rem 3rem 2rem;
}

.site-footer .grid-container {
  max-width: 1200px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.8rem;
}

.footer-brand i {
  color: var(--accent);
}

.site-footer p {
  font-size: 0.9rem;
  line-height: 1.8;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 0.8rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.4rem;
}

.footer-col ul a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: color 0.3s;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  margin-top: 2.2rem;
  padding-top: 1.6rem;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .sidebar {
    display: none;
  }

  .mobile-header {
    display: flex;
  }

  .main-area {
    margin-left: 0;
    width: 100%;
  }

  .section {
    padding: 3.5rem 1.5rem;
  }

  .hero {
    padding: 4rem 1.5rem 3rem;
  }

  .stats-bar {
    padding: 2.2rem 1.5rem;
  }

  .cta-block {
    padding: 4rem 1.5rem;
  }

  .site-footer {
    padding: 2.5rem 1.5rem 1.5rem;
  }
}

@media (max-width: 768px) {
  .scene-list {
    grid-template-columns: 1fr;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-stats {
    gap: 1rem;
  }

  .stat-num {
    font-size: 1.3rem;
  }
}

@media (max-width: 520px) {
  body {
    font-size: 15px;
  }

  h1 {
    font-size: 1.7rem;
  }

  .hero-lead {
    font-size: 0.95rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 0.8rem;
    text-align: center;
  }

  .stat-item {
    text-align: center;
  }

  .space-card img {
    height: 200px;
  }
}

@media (max-width: 767px) {
  .sidebar.open {
    display: flex;
    position: fixed;
    width: 280px;
    transform: translateX(0);
    animation: slideIn 0.3s ease;
  }

  .sidebar-mask {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
  }

  .sidebar-mask.show {
    display: block;
  }
}

@keyframes slideIn {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

/* ===== Utility ===== */
.grid-x > .cell {
  margin-bottom: 1.5rem;
}

@media (max-width: 767px) {
  .grid-x > .cell {
    margin-bottom: 1rem;
  }
}