/* roulang page: index */
:root {
  --bg: #F6F4EF;
  --card: #FFFFFF;
  --primary: #2F5D73;
  --primary-mid: #427E97;
  --primary-light: #B8D2DD;
  --accent: #C19A5B;
  --accent-light: #E6D6B8;
  --accent-dark: #9C7A42;
  --text-title: #20343D;
  --text-body: #445860;
  --text-mute: #7A8A90;
  --border: #DCE4E4;
  --border-card: #E4E9E7;
  --bg-muted: #EEF2F0;
  --bg-warm: #F0EBE1;
  --footer-bg: #1E3F4E;
  --radius-xlg: 24px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --radius-xs: 10px;
  --shadow-card: 0 6px 24px rgba(31, 56, 66, 0.08);
  --shadow-hover: 0 12px 32px rgba(31, 56, 66, 0.14);
  --shadow-float: 0 16px 40px rgba(31, 56, 66, 0.18);
  --shadow-btn: 0 4px 14px rgba(193, 154, 91, 0.28);
  --space-section: 100px;
  --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --transition: all .3s cubic-bezier(.25, .8, .25, 1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 760px; margin: 0 auto; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  line-height: 1.4;
  text-decoration: none;
}
.btn i { font-size: 14px; transition: transform .3s; }
.btn:hover i { transform: translateX(3px); }
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(47, 93, 115, 0.25);
}
.btn-primary:hover {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-btn);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  border-color: #B8C9CE;
  color: var(--primary);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(47, 93, 115, 0.05);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-btn);
}
.btn-accent:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
}
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; pointer-events: none; }
.section { padding: var(--space-section) 0; position: relative; }
.section-head { margin-bottom: 48px; max-width: 640px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--accent-dark);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--accent);
  display: inline-block;
  border-radius: 2px;
}
.section-head.center .eyebrow::after {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--accent);
  display: inline-block;
  border-radius: 2px;
}
.section-title {
  font-size: 34px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--text-title);
  letter-spacing: .01em;
  margin-bottom: 14px;
}
.section-title em { font-style: normal; color: var(--primary); }
.section-title .gold { color: var(--accent); }
.section-desc { font-size: 15px; color: var(--text-mute); line-height: 1.75; max-width: 520px; }
.section-head.center .section-desc { margin: 0 auto; }
.section + .section { padding-top: 0; }

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(246, 244, 239, .95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s, border-color .3s;
}
.site-header.scrolled {
  border-color: var(--border);
  box-shadow: 0 2px 24px rgba(31, 56, 66, .07);
}
.nav-primary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--primary);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 20px; font-weight: 700;
  box-shadow: 0 3px 10px rgba(47, 93, 115, .25);
  position: relative;
}
.logo-mark::after {
  content: "";
  position: absolute; right: -3px; bottom: -3px;
  width: 14px; height: 14px;
  background: var(--accent);
  border-radius: 4px;
  z-index: -1;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text strong {
  font-size: 19px; font-weight: 700; color: var(--text-title);
  letter-spacing: .02em;
}
.logo-text span {
  font-size: 11px; color: var(--text-mute); letter-spacing: .08em;
}
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  width: 42px; height: 42px;
  display: none;
  align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 18px;
  color: var(--primary);
  cursor: pointer;
  transition: var(--transition);
}
.nav-toggle:hover { border-color: var(--primary); background: rgba(47, 93, 115, .05); }
.nav-chip-row { border-top: 1px solid rgba(220, 228, 228, .5); }
.chip-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-body);
  white-space: nowrap;
  transition: var(--transition);
}
.chip i { font-size: 13px; opacity: .6; }
.chip:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(184, 210, 221, .15);
}
.chip.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 3px 12px rgba(47, 93, 115, .25);
}
.chip.active:hover { background: var(--primary); color: #fff; }

.hero {
  padding: 150px 0 0;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(184, 210, 221, .18) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
}
.hero::after {
  content: "";
  position: absolute;
  top: 18px; right: 4%;
  width: 90px; height: 90px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Crect x='8' y='8' width='84' height='84' rx='16' fill='none' stroke='%23C19A5B' stroke-width='2' opacity='0.35'/%3E%3Crect x='20' y='20' width='60' height='60' rx='8' fill='none' stroke='%232F5D73' stroke-width='2' opacity='0.2'/%3E%3Ccircle cx='50' cy='50' r='18' fill='none' stroke='%23C19A5B' stroke-width='1.5' opacity='0.3'/%3E%3C/svg%3E");
  background-size: contain;
  opacity: .5;
  pointer-events: none;
  z-index: 0;
}
.hero-inner {
  display: flex;
  align-items: center;
  gap: 56px;
  position: relative;
  z-index: 1;
}
.hero-content { flex: 0 0 52%; max-width: 560px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-warm);
  border: 1px solid var(--accent-light);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-dark);
  margin-bottom: 22px;
  letter-spacing: .02em;
}
.hero-badge i { font-size: 12px; }
.hero h1 {
  font-size: 42px;
  line-height: 1.25;
  font-weight: 700;
  color: var(--text-title);
  letter-spacing: .02em;
  margin-bottom: 16px;
}
.hero h1 .highlight {
  color: var(--primary);
  position: relative;
}
.hero h1 .highlight::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 6px;
  background: var(--accent-light);
  z-index: -1;
  border-radius: 4px;
}
.hero-sub {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-body);
  margin-bottom: 30px;
  max-width: 480px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 32px; }
.hero-trust { display: flex; gap: 12px; flex-wrap: wrap; }
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--bg-muted);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-mute);
  transition: var(--transition);
}
.trust-badge i { color: var(--accent); font-size: 12px; }
.trust-badge:hover { background: var(--accent-light); color: var(--accent-dark); transform: translateY(-2px); }
.hero-visual {
  flex: 1;
  position: relative;
  max-width: 520px;
}
.hero-visual .img-wrap {
  border-radius: var(--radius-xlg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
}
.hero-visual .img-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 70%, rgba(32, 52, 61, .06));
}
.hero-visual img { width: 100%; height: 400px; object-fit: cover; }
.hero-float-card {
  position: absolute;
  bottom: -22px;
  left: -28px;
  background: var(--card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-float);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--border-card);
  transition: var(--transition);
}
.hero-float-card:hover { transform: translateY(-4px); }
.hero-float-icon {
  width: 48px; height: 48px;
  background: var(--bg-muted);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  font-size: 20px;
}
.hero-float-text strong { font-size: 24px; font-weight: 800; color: var(--primary); line-height: 1.2; display: block; }
.hero-float-text span { font-size: 13px; color: var(--text-mute); }

.services { background: var(--bg); padding-top: 120px; }
.services-grid {
  display: grid;
  grid-template-columns: 5fr 4fr;
  gap: 24px;
}
.service-main {
  background: var(--primary);
  border-radius: var(--radius-lg);
  color: #fff;
  padding: 40px;
  position: relative;
  overflow: hidden;
  min-height: 370px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: var(--transition);
}
.service-main::before {
  content: "";
  position: absolute;
  top: -40px; right: -40px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(255,255,255,.12) 0%, transparent 70%);
  border-radius: 50%;
}
.service-main::after {
  content: "";
  position: absolute;
  bottom: 0; right: 0;
  width: 160px; height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 160 200'%3E%3Ccircle cx='120' cy='100' r='60' fill='none' stroke='%23B8D2DD' stroke-width='1' opacity='0.15'/%3E%3Cpath d='M90 40 L120 20 L150 40 L120 60 Z' fill='none' stroke='%23C19A5B' stroke-width='1.5' opacity='0.2'/%3E%3C/svg%3E");
  background-size: cover;
  pointer-events: none;
}
.service-main .service-img {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 130px;
  overflow: hidden;
}
.service-main .service-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: .25;
}
.service-main .service-tag {
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--accent-light);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.service-main h3 { font-size: 24px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.service-main p { font-size: 15px; line-height: 1.7; color: rgba(255,255,255,.85); margin-bottom: 20px; max-width: 85%; }
.service-main .service-link {
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  opacity: .9;
  transition: var(--transition);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(255,255,255,.4);
}
.service-main .service-link:hover { opacity: 1; text-decoration-color: var(--accent); color: var(--accent-light); gap: 10px; }
.service-side { display: flex; flex-direction: column; gap: 24px; }
.service-card {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: var(--transition);
  box-shadow: 0 2px 10px rgba(31, 56, 66, .04);
}
.service-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: var(--accent-light);
}
.service-icon {
  width: 52px; height: 52px;
  background: var(--bg-muted);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  font-size: 22px;
  margin-bottom: 16px;
  transition: var(--transition);
}
.service-card:hover .service-icon { background: var(--primary-light); color: var(--primary); }
.service-card h3 { font-size: 19px; font-weight: 600; color: var(--text-title); margin-bottom: 8px; }
.service-card p { font-size: 14px; color: var(--text-mute); line-height: 1.7; }
.service-link-text {
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
}
.service-link-text i { font-size: 12px; transition: transform .3s; }
.service-card:hover .service-link-text i { transform: translateX(3px); }

.data-band {
  background: var(--bg-muted);
  padding: 60px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.data-item {
  text-align: center;
  padding: 16px 24px;
  border-right: 1px solid var(--border);
  transition: var(--transition);
}
.data-item:last-child { border-right: none; }
.data-item .data-num {
  font-size: 46px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  transition: var(--transition);
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}
.data-item .data-suffix { font-size: 16px; font-weight: 600; color: var(--primary-mid); }
.data-item .data-label { font-size: 14px; color: var(--text-mute); margin-top: 8px; }
.data-item:hover .data-num { color: var(--accent); transform: translateY(-2px); }
.data-item:hover .data-label { color: var(--text-body); }

.cases { background: var(--bg); }
.cases-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.case-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-card);
  transition: var(--transition);
}
.case-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-6px);
  border-color: var(--primary-light);
}
.case-card.case-offset { margin-top: 28px; }
.case-card .case-img { height: 260px; overflow: hidden; position: relative; }
.case-card .case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.case-card:hover .case-img img { transform: scale(1.04); }
.case-card .case-body { padding: 26px 30px 30px; }
.case-tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--bg-warm);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  letter-spacing: .04em;
  margin-bottom: 12px;
  border: 1px solid var(--accent-light);
}
.case-card h3 { font-size: 20px; font-weight: 600; color: var(--text-title); margin-bottom: 10px; }
.case-card .case-desc { font-size: 14px; color: var(--text-mute); line-height: 1.7; }
.case-link {
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
}
.case-link i { font-size: 12px; transition: transform .3s; }
.case-card:hover .case-link { color: var(--accent-dark); gap: 10px; }

.solutions { background: var(--bg); padding-top: 0; }
.solution-row {
  display: flex;
  align-items: center;
  gap: 56px;
  margin-bottom: 80px;
}
.solution-row:last-child { margin-bottom: 0; }
.solution-visual {
  flex: 0 0 46%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
}
.solution-visual img { width: 100%; height: 300px; object-fit: cover; }
.solution-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(32, 52, 61, .08));
}
.solution-body { flex: 1; }
.solution-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: var(--bg-warm);
  border: 1px solid var(--accent-light);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-dark);
  margin-bottom: 14px;
  letter-spacing: .06em;
}
.solution-body h3 { font-size: 24px; font-weight: 700; color: var(--text-title); margin-bottom: 12px; }
.solution-desc { font-size: 15px; color: var(--text-mute); line-height: 1.75; margin-bottom: 20px; }
.solution-points { margin-bottom: 22px; }
.solution-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 0;
  font-size: 14px;
  color: var(--text-body);
}
.solution-points li i { color: var(--accent); font-size: 13px; }
.solution-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 500;
  color: var(--primary);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}
.solution-link:hover { border-bottom-color: var(--accent); color: var(--accent-dark); }
.solution-link i { font-size: 13px; transition: transform .3s; }
.solution-link:hover i { transform: translateX(3px); }

.latest-news { background: var(--bg); padding-top: 0; }
.news-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius-xlg);
  padding: 40px;
  background: rgba(255, 255, 255, .6);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.news-card {
  background: var(--card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-card);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 8px rgba(31, 56, 66, .04);
}
.news-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-5px);
  border-color: var(--primary-light);
}
.news-card-body { padding: 22px 22px 20px; display: flex; flex-direction: column; flex: 1; }
.news-cat {
  align-self: flex-start;
  display: inline-block;
  padding: 3px 12px;
  background: var(--bg-muted);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  margin-bottom: 12px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.news-card:hover .news-cat { background: var(--primary-light); border-color: var(--primary-light); }
.news-card h3 { font-size: 16px; font-weight: 600; color: var(--text-title); line-height: 1.5; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 48px; }
.news-card p { font-size: 13px; color: var(--text-mute); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 14px; flex: 1; }
.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-mute);
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
.news-meta time { display: inline-flex; align-items: center; gap: 5px; }
.news-meta time i { font-size: 11px; }
.news-meta .news-link { color: var(--primary); font-weight: 500; font-size: 13px; display: inline-flex; align-items: center; gap: 3px; }
.news-meta .news-link:hover { color: var(--accent-dark); }
.news-empty {
  margin-top: 32px;
  background: var(--bg-muted);
  border-radius: var(--radius-md);
  padding: 48px 24px;
  text-align: center;
}
.news-empty i { font-size: 40px; color: var(--primary-light); margin-bottom: 16px; display: block; }
.news-empty strong { display: block; font-size: 16px; color: var(--text-title); margin-bottom: 6px; font-weight: 600; }
.news-empty span { font-size: 13px; color: var(--text-mute); }

.faq-section { background: var(--bg); padding-top: 0; }
.faq-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 48px; align-items: start; }
.faq-left { position: sticky; top: 160px; }
.faq-left .section-head { margin-bottom: 24px; }
.faq-contact {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-warm);
  border: 1px solid var(--accent-light);
  border-radius: var(--radius-md);
  padding: 20px 24px;
}
.faq-contact i { font-size: 24px; color: var(--accent); }
.faq-contact div { flex: 1; }
.faq-contact strong { display: block; font-size: 15px; color: var(--text-title); }
.faq-contact span { font-size: 13px; color: var(--text-mute); }
.accordion { background: transparent; }
.accordion-item {
  background: var(--card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.accordion-item:hover { border-color: var(--primary-light); }
.accordion-item:last-child { margin-bottom: 0; }
.accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-title);
  background: var(--card);
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
}
.accordion-title i {
  font-size: 14px;
  color: var(--primary-mid);
  width: 28px; height: 28px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}
.accordion-title:hover { color: var(--primary); background: rgba(238, 242, 240, .4); }
.accordion-item.is-active .accordion-title { color: var(--primary); }
.accordion-item.is-active .accordion-title i {
  transform: rotate(45deg);
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.accordion-content {
  padding: 0 24px 22px;
  border-top: 1px solid var(--border);
  margin-top: 0;
}
.accordion-content p { font-size: 14px; line-height: 1.75; color: var(--text-mute); padding-top: 16px; }

.cta-contact { padding-top: 0; }
.cta-panel {
  background: var(--primary);
  border-radius: var(--radius-xlg);
  padding: 64px 56px;
  position: relative;
  overflow: hidden;
  color: #fff;
}
.cta-panel::before {
  content: "";
  position: absolute;
  top: -60px; right: -60px;
  width: 240px; height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(193, 154, 91, .25) 0%, transparent 70%);
}
.cta-panel::after {
  content: "";
  position: absolute;
  bottom: 16px; right: 16px;
  width: 130px; height: 130px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 120'%3E%3Crect x='6' y='6' width='108' height='108' rx='20' fill='none' stroke='%23C19A5B' stroke-width='1.5' opacity='0.25'/%3E%3Cpath d='M30 60 L50 40 L80 70 L95 55 L110 70' fill='none' stroke='%23B8D2DD' stroke-width='2' opacity='0.3'/%3E%3C/svg%3E");
  background-size: contain;
  opacity: .4;
  pointer-events: none;
}
.cta-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 56px;
  position: relative;
  z-index: 1;
}
.cta-top h2 { font-size: 32px; font-weight: 700; color: #fff; line-height: 1.3; margin-bottom: 10px; }
.cta-top p { font-size: 15px; color: rgba(255,255,255,.85); max-width: 420px; }
.cta-actions { display: flex; gap: 14px; flex-shrink: 0; }
.cta-actions .btn-outline { border-color: rgba(255,255,255,.6); color: #fff; background: transparent; }
.cta-actions .btn-outline:hover { background: rgba(255,255,255,.1); border-color: #fff; color: #fff; }
.cta-contact-inner {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 56px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  z-index: 1;
}
.contact-info h3 { font-size: 20px; font-weight: 600; margin-bottom: 26px; color: #fff; }
.contact-info-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 10px 0;
  font-size: 14px;
  color: rgba(255,255,255,.9);
  line-height: 1.6;
}
.contact-info-list li i {
  width: 36px; height: 36px;
  background: rgba(255,255,255,.1);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  color: var(--accent-light);
  flex-shrink: 0;
}
.contact-info-list li strong { display: block; font-size: 13px; color: rgba(255,255,255,.6); font-weight: 400; }
.contact-info-list li span { font-size: 15px; font-weight: 500; color: rgba(255,255,255,.95); }
.contact-form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group label {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,.85);
  margin-bottom: 6px;
  font-weight: 500;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-xs);
  padding: 12px 14px;
  font-size: 14px;
  font-family: var(--font-main);
  color: #fff;
  transition: var(--transition);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,.4); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,.18);
  box-shadow: 0 0 0 3px rgba(193, 154, 91, .15);
}
.form-group textarea { min-height: 110px; resize: vertical; }
.contact-form .btn { width: auto; min-height: 44px; }

.site-footer {
  background: var(--footer-bg);
  color: rgba(255,255,255,.8);
  padding: 64px 0 0;
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 300px; height: 300px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Crect x='10' y='10' width='80' height='80' rx='16' fill='none' stroke='%23C19A5B' stroke-width='1' opacity='0.1'/%3E%3Crect x='22' y='22' width='56' height='56' rx='8' fill='none' stroke='%23B8D2DD' stroke-width='1' opacity='0.08'/%3E%3C/svg%3E");
  background-size: cover;
  pointer-events: none;
  opacity: .5;
}
.footer-top {
  display: grid;
  grid-template-columns: 2.2fr 1.2fr 1.2fr 1.6fr;
  gap: 40px;
  padding-bottom: 48px;
  position: relative;
  z-index: 1;
}
.footer-brand .logo-text strong { color: #fff; }
.footer-brand .logo-text span { color: rgba(255,255,255,.5); }
.footer-brand .logo-mark { background: var(--accent); }
.footer-brand p { font-size: 14px; line-height: 1.75; color: rgba(255,255,255,.6); margin-top: 18px; max-width: 260px; }
.footer-social { display: flex; gap: 10px; margin-top: 22px; }
.footer-social a {
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.7);
  font-size: 15px;
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-3px);
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: .02em;
  position: relative;
  padding-bottom: 8px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 28px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact li { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 14px; font-size: 14px; color: rgba(255,255,255,.6); }
.footer-contact li i { color: var(--accent); margin-top: 4px; width: 16px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: rgba(255,255,255,.4);
  flex-wrap: wrap;
  gap: 8px;
  position: relative;
  z-index: 1;
}
.footer-bottom a { color: rgba(255,255,255,.5); }
.footer-bottom a:hover { color: var(--accent); }

@media (max-width: 1023px) {
  :root { --space-section: 70px; }
  .nav-toggle { display: inline-flex; }
  .nav-chip-row { display: none; border-top: none; background: var(--bg); }
  .nav-chip-row.open { display: block; }
  .chip-nav { padding: 12px 0 14px; flex-wrap: wrap; }
  .chip { flex: 1; min-width: calc(33% - 8px); justify-content: center; }
  .hero { padding-top: 130px; }
  .hero-inner { flex-direction: column; gap: 48px; }
  .hero-content { max-width: 100%; }
  .hero h1 { font-size: 34px; }
  .hero-visual { max-width: 100%; width: 100%; }
  .hero-visual img { height: 320px; }
  .hero-float-card { left: 12px; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .service-main { min-height: 320px; }
  .solutions { }
  .solution-row { flex-direction: column; gap: 36px; margin-bottom: 60px; }
  .solution-row:nth-child(even) { flex-direction: column; }
  .solution-visual { flex: none; width: 100%; }
  .solution-visual img { height: 240px; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: 1fr; gap: 40px; }
  .faq-left { position: static; }
  .cta-panel { padding: 40px 28px; }
  .cta-top { flex-direction: column; align-items: flex-start; gap: 24px; text-align: left; }
  .cta-actions { flex-wrap: wrap; }
  .cta-contact-inner { grid-template-columns: 1fr; gap: 40px; padding: 28px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 639px) {
  :root { --space-section: 56px; }
  html { font-size: 15px; }
  .nav-primary-row { height: 60px; }
  .hero { padding-top: 118px; }
  .hero h1 { font-size: 28px; }
  .hero-sub { font-size: 15px; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
  .hero-visual img { height: 240px; }
  .hero-float-card { bottom: -18px; padding: 14px 18px; }
  .hero-float-text strong { font-size: 20px; }
  .section-title { font-size: 26px; }
  .section-head { margin-bottom: 30px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-main { padding: 28px 24px; min-height: auto; }
  .service-main .service-img { height: 100px; }
  .service-side { gap: 16px; }
  .service-card { padding: 24px; }
  .data-grid { grid-template-columns: 1fr 1fr; }
  .data-item { border-bottom: 1px solid var(--border); padding: 20px 12px; }
  .data-item:nth-child(even) { border-right: none; }
  .data-item:nth-child(-n+2) { }
  .data-item:nth-child(3) { border-bottom: none; }
  .data-item:nth-child(4) { border-bottom: none; border-right: none; }
  .data-item .data-num { font-size: 36px; }
  .cases-grid { grid-template-columns: 1fr; }
  .case-card.case-offset { margin-top: 0; }
  .case-card .case-img { height: 210px; }
  .news-wrap { padding: 20px; }
  .news-grid { grid-template-columns: 1fr; }
  .news-meta .news-link { font-size: 12px; }
  .cta-panel { padding: 32px 20px; }
  .cta-top h2 { font-size: 24px; }
  .cta-contact-inner { padding: 20px; gap: 28px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form .btn { width: 100%; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .chip-nav { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 12px; }
  .chip { flex: 0 0 auto; min-width: auto; justify-content: flex-start; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --bg-page: #F6F4EF;
  --bg-card: #FFFFFF;
  --primary-dark: #2F5D73;
  --primary: #427E97;
  --primary-light: #B8D2DD;
  --accent: #C19A5B;
  --accent-light: #E6D6B8;
  --accent-dark: #9C7A42;
  --text-title: #20343D;
  --text-body: #445860;
  --text-weak: #7A8A90;
  --border-color: #DCE4E4;
  --bg-soft: #EEF2F0;
  --bg-warm: #F0EBE1;
  --radius-sm: 10px;
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-panel: 24px;
  --shadow-card: 0 6px 24px rgba(31,56,66,.08);
  --shadow-hover: 0 12px 32px rgba(31,56,66,.14);
  --shadow-float: 0 16px 40px rgba(31,56,66,.18);
  --shadow-btn: 0 4px 14px rgba(193,154,91,.28);
  --transition: all .3s ease;
}

/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background: var(--bg-page);
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; padding: 0; margin: 0; }
button { border: none; background: none; font: inherit; cursor: pointer; }
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 .5em;
  color: var(--text-title);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: .01em;
}
p { margin: 0 0 1em; }
.row { max-width: 1200px; }

/* ===== 按钮系统 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-btn);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
  transition: var(--transition);
  border: 1px solid transparent;
  cursor: pointer;
  justify-content: center;
  white-space: nowrap;
}
.btn-sm { padding: 8px 18px; font-size: 13px; border-radius: var(--radius-sm); }
.btn-lg { padding: 14px 32px; font-size: 15px; }
.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-btn);
}
.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(156,122,66,.35);
  color: #fff;
}
.btn-primary {
  background: var(--primary-dark);
  color: #fff;
  box-shadow: 0 4px 14px rgba(47,93,115,.25);
}
.btn-primary:hover {
  background: var(--primary);
  transform: translateY(-2px);
  color: #fff;
}
.btn-outline {
  background: transparent;
  border: 1px solid #B8C9CE;
  color: var(--primary-dark);
}
.btn-outline:hover {
  border-color: var(--primary-dark);
  color: var(--primary-dark);
  background: rgba(47,93,115,.05);
}
.btn:focus-visible,
.nav-toggle:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}
a.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
}
a.text-link:hover { color: var(--accent); }
a.text-link:hover i { transform: translateX(3px); }
a.text-link i { transition: transform .3s ease; }
.link-light { color: #fff; }
.link-light:hover { color: var(--accent-light); }

/* ===== 顶部导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(246, 244, 239, .95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(220, 228, 228, .8);
  transition: box-shadow .3s ease, border-color .3s ease;
}
.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(31,56,66,.08);
  border-bottom-color: var(--border-color);
}
.nav-primary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--primary-dark);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  border-radius: 10px 10px 10px 2px;
  position: relative;
  flex-shrink: 0;
}
.logo-mark::after {
  content: "";
  position: absolute;
  right: -4px;
  bottom: -4px;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 3px;
  z-index: -1;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-text strong {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-title);
  letter-spacing: .04em;
}
.logo-text span {
  font-size: 11px;
  color: var(--text-weak);
  letter-spacing: .18em;
  margin-top: 2px;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-soft);
  color: var(--primary-dark);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.nav-toggle:hover { background: var(--primary-light); }

/* Chip 导航 */
.nav-chip-row {
  border-top: 1px solid rgba(220,228,228,.4);
  padding: 8px 0;
}
.chip-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 4px;
  background: rgba(226, 230, 228, .45);
  border-radius: 999px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #E4E9E7;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-body);
  transition: var(--transition);
  white-space: nowrap;
}
.chip:hover {
  border-color: var(--primary-light);
  color: var(--primary-dark);
  box-shadow: 0 2px 8px rgba(47,93,115,.08);
}
.chip.active {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  box-shadow: 0 4px 12px rgba(47,93,115,.25);
}

/* ===== 页面横幅 ===== */
.page-banner {
  padding: 150px 0 60px;
  background:
    radial-gradient(ellipse at 75% 20%, rgba(193,154,91,.08) 0%, transparent 55%),
    linear-gradient(135deg, rgba(47,93,115,.04) 0%, transparent 60%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat,
    var(--bg-page);
  border-bottom: 1px solid var(--border-color);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb i { font-size: 10px; color: var(--text-weak); }
.banner-title {
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: .02em;
}
.banner-desc {
  font-size: 16px;
  color: var(--text-body);
  max-width: 520px;
  margin-bottom: 0;
  line-height: 1.8;
}

/* ===== 通用板块 ===== */
.section {
  padding: 90px 0;
}
.section-header {
  margin-bottom: 48px;
  max-width: 560px;
}
.section-header.text-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--accent-dark);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.tag-line {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.section-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 12px;
}
.section-desc {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 0;
}

/* ===== 图文介绍区 ===== */
.intro-section {
  padding-top: 80px;
  padding-bottom: 80px;
  background: linear-gradient(180deg, #fff 0%, var(--bg-page) 100%);
}
.intro-media {
  position: relative;
  border-radius: var(--radius-panel);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.intro-media img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}
.intro-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(32,52,61,.28));
  pointer-events: none;
}
.intro-media-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  z-index: 2;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(6px);
  border-radius: var(--radius-card);
  padding: 12px 20px;
  box-shadow: var(--shadow-float);
  display: flex;
  align-items: center;
  gap: 10px;
}
.intro-media-badge .badge-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.intro-media-badge .badge-num {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.1;
}
.intro-media-badge .badge-label {
  font-size: 12px;
  color: var(--text-weak);
}
.intro-content {
  padding-left: 20px;
}
.intro-list {
  margin-top: 24px;
}
.intro-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 7px 0;
  font-size: 15px;
  color: var(--text-body);
}
.intro-list li i {
  color: var(--accent);
  font-size: 16px;
  margin-top: 5px;
  flex-shrink: 0;
}

/* ===== 核心能力区 ===== */
.capability-section {
  background: var(--bg-page);
}
.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  align-items: start;
}
.capability-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.capability-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent) 0%, transparent 80%);
  opacity: 0;
  transition: var(--transition);
}
.capability-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
}
.capability-card:hover::before { opacity: 1; }
.capability-card:nth-child(2) { margin-top: 32px; }
.capability-card.card-dark {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: rgba(255,255,255,.88);
}
.capability-card.card-dark .capability-title,
.capability-card.card-dark h3 { color: #fff; }
.capability-card.card-dark::before {
  background: linear-gradient(90deg, var(--accent) 0%, transparent 80%);
}
.capability-card.card-warm {
  background: var(--bg-warm);
  border-color: var(--accent-light);
}
.capability-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
  transition: var(--transition);
}
.capability-card:hover .capability-icon {
  background: var(--accent);
  color: #fff;
}
.capability-card.card-dark .capability-icon {
  background: rgba(255,255,255,.14);
  color: #fff;
}
.capability-card.card-warm .capability-icon {
  background: var(--accent-light);
  color: var(--accent-dark);
}
.capability-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
  font-weight: 700;
}
.capability-card p {
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 18px;
  color: var(--text-body);
}
.capability-card.card-dark p { color: rgba(255,255,255,.78); }

/* ===== 场景案例区 ===== */
.scenes-section {
  background: #fff;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
.scene-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.scene-item {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.scene-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
}
.scene-img {
  flex: 0 0 280px;
  height: 220px;
  overflow: hidden;
}
.scene-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.scene-item:hover .scene-img img { transform: scale(1.04); }
.scene-content {
  flex: 1;
  padding: 28px 32px;
}
.scene-tag {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 999px;
  letter-spacing: .04em;
  margin-bottom: 10px;
}
.scene-content h3 {
  font-size: 20px;
  margin-bottom: 8px;
}
.scene-content p {
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 0;
  color: var(--text-body);
}

/* ===== FAQ 区 ===== */
.faq-section {
  background: var(--bg-page);
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--primary-light); }
.faq-item.active { border-color: var(--accent-light); box-shadow: var(--shadow-card); }
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-title);
  background: #fff;
  text-align: left;
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary-dark); }
.faq-arrow {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--text-weak);
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 12px;
}
.faq-item.active .faq-arrow {
  transform: rotate(45deg);
  border-color: var(--accent);
  color: var(--accent);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .4s ease;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 22px;
}
.faq-answer p {
  font-size: 14px;
  line-height: 1.8;
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
  color: var(--text-body);
}

/* ===== CTA 条 ===== */
.cta-band {
  padding: 80px 0;
  background: #fff;
}
.cta-inner {
  background: var(--primary-dark);
  border-radius: var(--radius-panel);
  padding: 60px 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-inner::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 160px;
  height: 160px;
  border: 2px solid rgba(255,255,255,.1);
  border-radius: 20px;
  transform: rotate(45deg);
}
.cta-inner h2 {
  color: #fff;
  font-size: 30px;
  margin-bottom: 12px;
}
.cta-inner p {
  color: rgba(255,255,255,.85);
  font-size: 15px;
  max-width: 480px;
  margin: 0 auto 28px;
}
.cta-inner .btn-accent {
  background: var(--accent);
  color: #fff;
}
.cta-inner .btn-accent:hover { background: var(--accent-dark); }

/* ===== 页脚 ===== */
.site-footer {
  background: #1E3F4E;
  color: rgba(255,255,255,.72);
  padding: 64px 0 0;
  font-size: 14px;
}
.site-footer .logo-text strong { color: #fff; }
.site-footer .logo-text span { color: rgba(255,255,255,.5); }
.site-footer .logo-mark { background: rgba(255,255,255,.14); color: var(--accent-light); }
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand p {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255,255,255,.62);
  margin: 16px 0 18px;
  max-width: 280px;
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.75);
  font-size: 15px;
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--accent);
  color: #fff;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 18px;
  font-weight: 700;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  color: rgba(255,255,255,.62);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--accent); }
.footer-col ul li a i { font-size: 10px; color: var(--accent); }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: rgba(255,255,255,.62);
  font-size: 13px;
  margin-bottom: 10px;
}
.footer-contact li i {
  color: var(--accent);
  margin-top: 4px;
  width: 16px;
  text-align: center;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 22px 0;
  font-size: 12px;
  color: rgba(255,255,255,.45);
}
.footer-bottom a { color: rgba(255,255,255,.55); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .nav-toggle { display: inline-flex; }
  .nav-chip-row {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-page);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 12px 24px rgba(31,56,66,.10);
    display: none;
    padding: 16px 0;
  }
  .nav-chip-row.open { display: block; }
  .chip-nav {
    flex-direction: column;
    border-radius: 16px;
    gap: 6px;
  }
  .chip { width: 100%; justify-content: center; }
  .page-banner { padding: 130px 0 50px; }
  .banner-title { font-size: 34px; }
  .section { padding: 70px 0; }
  .section-title { font-size: 28px; }
  .intro-media img { height: 320px; }
  .scene-item { flex-direction: column; }
  .scene-img { flex: none; width: 100%; height: 200px; }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .capability-grid { gap: 20px; }
  .capability-card { padding: 28px 24px; }
  .capability-card:nth-child(2) { margin-top: 0; }
}

@media (max-width: 639px) {
  .nav-primary-row { padding-top: 10px; padding-bottom: 10px; }
  .logo-text strong { font-size: 16px; }
  .logo-mark { width: 36px; height: 36px; font-size: 17px; }
  .btn-sm { padding: 7px 14px; font-size: 12px; }
  .page-banner { padding: 118px 0 40px; }
  .banner-title { font-size: 28px; }
  .banner-desc { font-size: 14px; }
  .section { padding: 56px 0; }
  .section-title { font-size: 24px; }
  .section-desc { font-size: 14px; }
  .section-header { margin-bottom: 32px; }
  .intro-media img { height: 220px; }
  .intro-content { padding-left: 0; margin-top: 28px; }
  .intro-media-badge { bottom: 14px; left: 14px; padding: 10px 14px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-card:nth-child(2) { margin-top: 0; }
  .scene-content { padding: 20px; }
  .scene-img { height: 160px; }
  .cta-inner { padding: 40px 24px; }
  .cta-inner h2 { font-size: 24px; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* roulang page: article */
:root {
  --color-bg: #F6F4EF;
  --color-card: #FFFFFF;
  --color-primary: #2F5D73;
  --color-primary-light: #427E97;
  --color-primary-soft: #B8D2DD;
  --color-accent: #C19A5B;
  --color-accent-light: #E6D6B8;
  --color-accent-dark: #9C7A42;
  --color-heading: #20343D;
  --color-body: #445860;
  --color-muted: #7A8A90;
  --color-border: #DCE4E4;
  --color-soft-bg: #EEF2F0;
  --color-warm-bg: #F0EBE1;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 6px 24px rgba(31, 56, 66, 0.08);
  --shadow-card-hover: 0 12px 32px rgba(31, 56, 66, 0.14);
  --shadow-float: 0 16px 40px rgba(31, 56, 66, 0.18);
  --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { text-decoration: none; color: inherit; transition: color .25s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease; }
img { max-width: 100%; height: auto; display: block; }
button { border: none; background: none; font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }
input, textarea { font-family: inherit; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-narrow { width: 100%; max-width: 780px; margin: 0 auto; padding: 0 24px; }

/* ===== 按钮系统 ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 500; border-radius: 12px;
  padding: 12px 24px; font-size: 14px; line-height: 1.4;
  transition: all .3s ease; border: 1px solid transparent;
}
.btn i { font-size: 13px; }
.btn-primary { background: var(--color-primary); color: #fff; box-shadow: 0 4px 14px rgba(47,93,115,.25); }
.btn-primary:hover { background: var(--color-accent); box-shadow: 0 6px 20px rgba(193,154,91,.35); transform: translateY(-2px); }
.btn-accent { background: var(--color-accent); color: #fff; box-shadow: 0 4px 14px rgba(193,154,91,.28); }
.btn-accent:hover { background: var(--color-accent-dark); box-shadow: 0 6px 20px rgba(156,122,66,.35); transform: translateY(-2px); }
.btn-outline { background: transparent; border: 1px solid #B8C9CE; color: var(--color-primary-light); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); background: rgba(47,93,115,.04); }
.btn-sm { padding: 9px 18px; font-size: 13px; border-radius: 10px; }
.btn:focus-visible { outline: 2px solid rgba(193,154,91,.6); outline-offset: 2px; }

/* ===== 站点头部 ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(246,244,239,.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(220,228,228,.6);
  transition: box-shadow .3s ease, border-color .3s ease;
}
.site-header.scrolled { box-shadow: 0 8px 30px rgba(31,56,66,.08); border-bottom-color: transparent; }

.nav-primary-row {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 38px; height: 38px; background: var(--color-primary);
  border-radius: 10px 10px 10px 2px; color: #fff;
  font-weight: 700; font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  position: relative; box-shadow: inset -2px -2px 0 rgba(255,255,255,.1);
  flex-shrink: 0;
}
.logo-mark::after {
  content: ""; position: absolute; right: 4px; bottom: 4px;
  width: 7px; height: 7px; border-radius: 50%; background: var(--color-accent);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-text strong { font-size: 19px; color: var(--color-heading); font-weight: 700; letter-spacing: .02em; }
.logo-text span { font-size: 11px; color: var(--color-muted); letter-spacing: .12em; }

.nav-right { display: flex; align-items: center; gap: 12px; }

.nav-chip-row {
  border-top: 1px solid rgba(220,228,228,.7);
  padding: 8px 0 10px;
}
.chip-nav {
  display: flex; align-items: center; gap: 8px;
  overflow-x: auto; scrollbar-width: none; padding: 4px;
}
.chip-nav::-webkit-scrollbar { display: none; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 18px; border-radius: 999px;
  background: #fff; border: 1px solid var(--color-border);
  color: var(--color-muted); font-size: 13px; font-weight: 500;
  white-space: nowrap; transition: all .25s ease;
}
.chip i { font-size: 12px; }
.chip:hover { border-color: var(--color-primary-soft); color: var(--color-primary-light); background: rgba(184,210,221,.08); }
.chip.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.nav-toggle {
  display: none; width: 42px; height: 42px; border-radius: 12px;
  border: 1px solid var(--color-border); background: #fff;
  align-items: center; justify-content: center; font-size: 17px; color: var(--color-primary);
  transition: all .25s ease;
}
.nav-toggle:hover { border-color: var(--color-primary-soft); background: rgba(184,210,221,.08); }
.nav-toggle:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* ===== 文章页布局 ===== */
.article-page { padding-top: calc(68px + 54px + 32px); min-height: 60vh; }

.breadcrumb {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  font-size: 13px; color: var(--color-muted); margin-bottom: 28px;
}
.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-primary-light); }
.breadcrumb .sep { color: #B8C9CE; font-size: 11px; }
.breadcrumb .current { color: var(--color-heading); font-weight: 500; }

.article-header { padding: 20px 0 32px; }
.article-title {
  font-size: 32px; line-height: 1.4; color: var(--color-heading);
  font-weight: 700; letter-spacing: .01em; margin-bottom: 18px;
}
.article-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px;
  font-size: 13px; color: var(--color-muted); margin-bottom: 24px;
}
.article-meta .meta-item { display: inline-flex; align-items: center; gap: 6px; }
.article-meta .meta-item i { color: var(--color-accent); font-size: 13px; }
.meta-divider { width: 1px; height: 14px; background: var(--color-border); }

.article-summary {
  background: var(--color-soft-bg);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 14px 14px 0;
  padding: 18px 24px; font-size: 14px; line-height: 1.8; color: var(--color-body);
}

.article-card {
  background: #fff; border-radius: 20px;
  border: 1px solid rgba(220,228,228,.7);
  box-shadow: var(--shadow-card);
  padding: 48px 52px; margin-bottom: 24px;
}

/* ===== 长文正文排版 ===== */
.article-prose { font-size: 16px; line-height: 1.9; color: var(--color-body); }
.article-prose p { margin-bottom: 1.6em; }
.article-prose > p:first-child {
  font-size: 18px; font-weight: 500; color: var(--color-heading); line-height: 1.85;
}
.article-prose h2 {
  font-size: 22px; font-weight: 700; color: var(--color-heading);
  margin: 2.2em 0 .8em; padding-top: .2em; letter-spacing: .01em;
}
.article-prose h3 {
  font-size: 18px; font-weight: 600; color: var(--color-heading); margin: 2em 0 .6em;
}
.article-prose ul, .article-prose ol { margin: 1.4em 0; padding-left: 1.3em; }
.article-prose ul { list-style: square; }
.article-prose ul li::marker { color: var(--color-accent); }
.article-prose ol { list-style: decimal; }
.article-prose ol li::marker { color: var(--color-primary-light); font-weight: 600; }
.article-prose li { margin-bottom: .5em; padding-left: .3em; }
.article-prose blockquote {
  margin: 2em 0; padding: 20px 24px;
  background: var(--color-bg); border-left: 4px solid var(--color-accent);
  border-radius: 0 14px 14px 0; color: var(--color-heading); font-size: 15px;
}
.article-prose blockquote p { margin-bottom: .5em; }
.article-prose blockquote p:last-child { margin-bottom: 0; }
.article-prose img {
  border-radius: 16px; box-shadow: var(--shadow-card);
  margin: 2em auto; width: 100%; object-fit: cover;
}
.article-prose figure { margin: 2em 0; }
.article-prose figcaption {
  font-size: 12px; text-align: center; color: var(--color-muted); margin-top: 8px;
}
.article-prose a { color: var(--color-primary-light); border-bottom: 1px solid var(--color-primary-soft); }
.article-prose a:hover { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.article-prose strong { font-weight: 600; color: var(--color-heading); }
.article-prose table {
  width: 100%; border-collapse: collapse; margin: 2em 0; font-size: 14px;
}
.article-prose th, .article-prose td {
  border: 1px solid #E4E9E7; padding: 10px 16px; text-align: left;
}
.article-prose th { background: var(--color-soft-bg); font-weight: 600; color: var(--color-heading); }
.article-prose tr:hover td { background: rgba(238,242,240,.4); }
.article-prose pre {
  margin: 2em 0; padding: 20px 24px; background: var(--color-heading);
  border-radius: 14px; color: var(--color-accent-light); font-size: 14px;
  line-height: 1.8; overflow-x: auto;
}
.article-prose code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  background: rgba(32,52,61,.06); padding: 2px 8px; border-radius: 6px; font-size: 13px;
}
.article-prose pre code { background: transparent; padding: 0; color: inherit; font-size: inherit; }

/* ===== 标签与分享 ===== */
.article-tail {
  margin-top: 40px; padding-top: 32px;
  border-top: 1px solid #E4E9E7;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
}
.tags-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tag-chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 6px 14px; border-radius: 999px;
  background: rgba(184,210,221,.22);
  border: 1px solid rgba(184,210,221,.5);
  color: var(--color-primary-light); font-size: 12px; font-weight: 500;
  transition: all .25s ease;
}
.tag-chip:hover { background: rgba(47,93,115,.08); border-color: var(--color-primary); color: var(--color-primary); }
.share-row { display: flex; align-items: center; gap: 10px; }
.share-row a {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-bg); color: var(--color-muted);
  font-size: 14px; border: 1px solid var(--color-border);
  transition: all .3s ease;
}
.share-row a:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); transform: translateY(-2px); }

/* ===== 相关推荐 ===== */
.related-section { padding: 64px 0 32px; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: .14em; color: var(--color-accent);
  font-weight: 500; text-transform: uppercase;
}
.section-label::before {
  content: ""; width: 18px; height: 2px; background: var(--color-accent); border-radius: 2px;
}
.related-title-h { font-size: 28px; font-weight: 700; color: var(--color-heading); margin-top: 10px; margin-bottom: 36px; }
.related-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.related-card {
  background: #fff; border-radius: 18px; overflow: hidden;
  border: 1px solid #E4E9E7; box-shadow: var(--shadow-card);
  transition: all .3s ease; display: block;
}
.related-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary-soft);
}
.related-thumb { width: 100%; height: 160px; object-fit: cover; background: var(--color-soft-bg); }
.related-body { padding: 18px 20px 20px; }
.related-cat {
  display: inline-block; font-size: 11px; font-weight: 500;
  color: var(--color-accent); background: rgba(193,154,91,.12);
  border-radius: 999px; padding: 3px 10px; margin-bottom: 10px;
}
.related-post-title {
  font-size: 16px; line-height: 1.5; font-weight: 600; color: var(--color-heading);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; min-height: 48px;
  transition: color .25s;
}
.related-card:hover .related-post-title { color: var(--color-primary-light); }

/* ===== 底部返回 ===== */
.back-bar { padding: 24px 0 40px; text-align: center; }
.back-links { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; }
.btn-text-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--color-primary-light); font-size: 14px; font-weight: 500;
  padding: 8px 4px; transition: color .25s, gap .25s;
}
.btn-text-link:hover { color: var(--color-primary); }
.btn-text-link i { transition: transform .3s; }
.btn-text-link:hover i { transform: translateX(4px); }

/* ===== CTA 横幅 ===== */
.cta-section { padding: 48px 0 72px; }
.cta-panel {
  background: var(--color-primary); border-radius: var(--radius-lg);
  padding: 48px 56px; display: flex; align-items: center;
  justify-content: space-between; gap: 32px; position: relative; overflow: hidden;
}
.cta-panel::before {
  content: ""; position: absolute; top: -70px; right: -40px;
  width: 220px; height: 220px; border-radius: 50%;
  border: 2px solid rgba(193,154,91,.18);
}
.cta-copy h2 { color: #fff; font-size: 24px; font-weight: 700; margin-bottom: 10px; }
.cta-copy p { color: rgba(255,255,255,.72); font-size: 14px; line-height: 1.8; max-width: 480px; }
.cta-actions { display: flex; gap: 12px; flex-shrink: 0; position: relative; z-index: 1; }
.cta-actions .btn-outline { border-color: rgba(255,255,255,.5); color: #fff; }
.cta-actions .btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.08); color: #fff; }

/* ===== 内容未找到 ===== */
.article-missing {
  text-align: center; padding: 70px 24px;
  background: #fff; border-radius: 20px;
  border: 1px solid var(--color-border); box-shadow: var(--shadow-card);
}
.article-missing i { font-size: 48px; color: var(--color-accent); margin-bottom: 16px; }
.article-missing h2 { font-size: 22px; color: var(--color-heading); margin-bottom: 8px; }
.article-missing p { font-size: 14px; color: var(--color-muted); margin-bottom: 24px; }

/* ===== 页脚 ===== */
.site-footer {
  background: #1E3F4E; color: rgba(255,255,255,.75);
  padding: 64px 0 28px; position: relative; overflow: hidden;
  margin-top: 40px;
}
.site-footer::before {
  content: ""; position: absolute; top: -60px; right: -60px;
  width: 260px; height: 260px; border-radius: 50%;
  border: 2px solid rgba(193,154,91,.12);
}
.footer-top {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px; margin-bottom: 48px; position: relative; z-index: 1;
}
.footer-brand .logo-text strong { color: #fff; }
.footer-brand .logo-text span { color: rgba(255,255,255,.45); }
.footer-brand p {
  font-size: 13px; line-height: 1.8; color: rgba(255,255,255,.55);
  margin: 16px 0 20px; max-width: 300px;
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
  border-radius: 10px; border: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.7); font-size: 16px; transition: all .3s;
}
.footer-social a:hover { background: var(--color-accent); border-color: var(--color-accent); color: #fff; transform: translateY(-2px); }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  color: rgba(255,255,255,.6); font-size: 13px;
  display: inline-flex; align-items: center; gap: 8px;
  transition: color .3s, padding-left .3s;
}
.footer-col ul li a:hover { color: var(--color-accent); padding-left: 4px; }
.footer-col ul li a i { font-size: 10px; color: var(--color-accent); }
.footer-contact li {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: rgba(255,255,255,.6); margin-bottom: 12px;
}
.footer-contact i { color: var(--color-accent); width: 16px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 24px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 12px; color: rgba(255,255,255,.45);
  position: relative; z-index: 1;
}
.footer-bottom a { color: rgba(255,255,255,.45); transition: color .3s; }
.footer-bottom a:hover { color: var(--color-accent); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .article-card { padding: 40px 36px; }
  .cta-panel { padding: 40px 36px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .article-page { padding-top: calc(68px + 24px); }
  .nav-chip-row {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: var(--color-bg); box-shadow: 0 20px 40px rgba(31,56,66,.12);
    border-bottom: 1px solid var(--color-border); padding: 16px 24px 20px;
    max-height: calc(100vh - 68px); overflow-y: auto;
  }
  .nav-chip-row.open { display: block; }
  .chip-nav { flex-direction: column; align-items: stretch; gap: 8px; }
  .chip { justify-content: flex-start; padding: 12px 16px; border-radius: 12px; }
  .nav-toggle { display: inline-flex; }
  .article-title { font-size: 26px; }
  .article-card { padding: 32px 24px; }
  .article-prose { font-size: 15px; }
  .cta-panel { flex-direction: column; align-items: flex-start; }
  .cta-actions { width: 100%; }
  .related-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .container, .container-narrow { padding: 0 16px; }
  .article-page { padding-top: calc(68px + 16px); }
  .article-title { font-size: 22px; }
  .article-meta { gap: 10px; }
  .article-card { padding: 24px 18px; border-radius: 16px; }
  .article-summary { padding: 14px 16px; font-size: 13px; }
  .article-prose { font-size: 14.5px; }
  .article-prose > p:first-child { font-size: 16px; }
  .article-prose h2 { font-size: 19px; }
  .article-prose h3 { font-size: 16.5px; }
  .article-prose blockquote { padding: 16px 18px; }
  .article-tail { flex-direction: column; align-items: flex-start; }
  .share-row { width: 100%; }
  .cta-section { padding: 32px 0 48px; }
  .cta-panel { padding: 32px 24px; border-radius: 20px; }
  .cta-copy h2 { font-size: 20px; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; justify-content: center; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .site-footer { padding: 48px 0 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: category2 */
:root {
  --bg: #F6F4EF;
  --card-bg: #FFFFFF;
  --primary: #2F5D73;
  --primary-mid: #427E97;
  --primary-light: #B8D2DD;
  --accent: #C19A5B;
  --accent-light: #E6D6B8;
  --accent-dark: #9C7A42;
  --text-heading: #20343D;
  --text-body: #445860;
  --text-muted: #7A8A90;
  --border: #DCE4E4;
  --border-card: #E4E9E7;
  --bg-soft: #EEF2F0;
  --bg-warm: #F0EBE1;
  --footer-bg: #1E3F4E;
  --footer-text: #C8D6DC;
  --radius-lg: 24px;
  --radius-card: 18px;
  --radius-btn: 12px;
  --radius-chip: 999px;
  --shadow-card: 0 6px 24px rgba(31, 56, 66, 0.08);
  --shadow-card-hover: 0 12px 32px rgba(31, 56, 66, 0.14);
  --shadow-float: 0 16px 40px rgba(31, 56, 66, 0.18);
  --shadow-btn: 0 4px 14px rgba(193, 154, 91, 0.28);
  --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --transition: all .3s ease;
}

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

html { scroll-behavior: smooth; }

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

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; }
i { font-style: normal; }

h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section { padding: 88px 0; }

.section-head {
  margin-bottom: 48px;
  max-width: 720px;
}
.section-head.centered { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .eyebrow,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--accent-dark);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-head .eyebrow::before,
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--accent);
  border-radius: 999px;
}
.section-head h2 {
  font-size: 32px;
  line-height: 1.25;
  margin-bottom: 14px;
}
.section-head p {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 520px;
}
.section-head.centered p { max-width: 600px; margin: 0 auto; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-btn);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}
.btn i { font-size: 14px; transition: transform .3s ease; }
.btn:hover i { transform: translateX(3px); }
.btn:focus-visible { outline: 2px solid var(--accent-light); outline-offset: 2px; }

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(47, 93, 115, 0.24);
}
.btn-primary:hover { background: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-btn); color: #fff; }

.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-btn);
}
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); color: #fff; }

.btn-outline {
  background: transparent;
  border-color: var(--primary-light);
  color: var(--primary);
}
.btn-outline:hover { border-color: var(--primary); background: rgba(47, 93, 115, 0.04); transform: translateY(-2px); }

.btn-outline-light {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.7);
  color: #fff;
}
.btn-outline-light:hover { background: rgba(255,255,255,0.22); border-color: #fff; transform: translateY(-2px); color: #fff; }

.btn-sm { padding: 9px 18px; font-size: 13px; border-radius: 12px; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-mid);
}
.text-link i { font-size: 13px; transition: transform .3s ease; }
.text-link:hover { color: var(--accent-dark); }
.text-link:hover i { transform: translateX(3px); }

.tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--accent-light);
  color: var(--accent-dark);
  border-radius: var(--radius-chip);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 244, 239, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(31, 56, 66, 0.04);
}
.nav-primary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 14px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  border-radius: 12px;
  position: relative;
  box-shadow: 0 4px 12px rgba(47, 93, 115, 0.3);
}
.logo-mark::after {
  content: "";
  position: absolute;
  right: -4px;
  bottom: -4px;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 4px;
  border: 2px solid var(--bg);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text strong { font-size: 20px; font-weight: 800; color: var(--text-heading); letter-spacing: 0.04em; }
.logo-text span { font-size: 12px; color: var(--accent-dark); font-weight: 600; letter-spacing: 0.12em; }
.nav-right { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--primary);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.nav-toggle:hover { border-color: var(--primary); }
.nav-toggle[aria-expanded="true"] i::before { content: "\f00d"; }

.nav-chip-row { border-top: 1px solid transparent; }
.chip-nav {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 8px;
  padding: 6px;
  background: rgba(216, 226, 228, 0.35);
  border-radius: var(--radius-chip);
  margin-bottom: 14px;
  overflow-x: auto;
  scrollbar-width: none;
}
.chip-nav::-webkit-scrollbar { display: none; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--radius-chip);
  background: #fff;
  border: 1px solid var(--border-card);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  transition: var(--transition);
}
.chip i { font-size: 13px; }
.chip:hover { border-color: var(--primary-mid); color: var(--primary); background: #f8fbfc; }
.chip.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(47, 93, 115, 0.22);
}
.chip.active:hover { background: var(--primary); color: #fff; }

/* ===== Page Banner ===== */
.page-banner {
  position: relative;
  padding: 64px 0 56px;
  background: var(--bg);
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.page-banner::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -30px;
  width: 260px;
  height: 260px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ccircle cx='50' cy='50' r='44' fill='none' stroke='%23C19A5B' stroke-width='0.6'/%3E%3Ccircle cx='50' cy='50' r='30' fill='none' stroke='%23C19A5B' stroke-width='0.5'/%3E%3Cpath d='M50 6v88M6 50h88M20 20l60 60M80 20L20 80' stroke='%23C19A5B' stroke-width='0.5'/%3E%3C/svg%3E");
  background-size: cover;
  opacity: 0.18;
  transform: rotate(15deg);
  pointer-events: none;
}
.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
  letter-spacing: 0.03em;
}
.breadcrumb a { color: var(--primary-mid); }
.breadcrumb a:hover { color: var(--accent-dark); }
.breadcrumb span { margin: 0 8px; color: var(--border); }
.banner-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}
.banner-text h1 {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-heading);
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}
.banner-text h1::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 56px;
  height: 3px;
  background: var(--accent);
  border-radius: 999px;
}
.banner-text p {
  font-size: 16px;
  color: var(--text-body);
  max-width: 520px;
  margin-top: 18px;
  line-height: 1.8;
}
.banner-visual {
  border-radius: var(--radius-lg);
  min-height: 220px;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-card);
  position: relative;
}
.banner-visual::after {
  content: "";
  position: absolute;
  left: 18px;
  bottom: 18px;
  background: rgba(255,255,255,0.92);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(31,56,66,0.1);
}

/* ===== Overview ===== */
.overview-section {
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.overview-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
}
.overview-image img { width: 100%; height: 380px; object-fit: cover; }
.overview-image::after {
  content: "";
  position: absolute;
  right: -12px;
  bottom: -12px;
  width: 80px;
  height: 80px;
  border: 2px solid var(--accent);
  border-radius: 20px;
  z-index: 1;
  opacity: 0.5;
}
.overview-content h2 {
  font-size: 30px;
  color: var(--text-heading);
  margin-bottom: 18px;
}
.overview-content > p {
  font-size: 15px;
  color: var(--text-body);
  margin-bottom: 24px;
  line-height: 1.8;
}
.check-list { margin-top: 8px; }
.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px 0;
  font-size: 15px;
  color: var(--text-body);
}
.check-list li i {
  flex-shrink: 0;
  color: var(--accent);
  font-size: 16px;
  margin-top: 3px;
}
.check-list li strong { color: var(--text-heading); font-weight: 600; }

/* ===== Product Entries ===== */
.product-list-section { background: var(--bg); }
.product-entry {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  margin-bottom: 28px;
}
.product-entry:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
  border-color: var(--primary-light);
}
.product-entry:nth-child(even) { grid-template-columns: 1.1fr 0.9fr; }
.product-entry:nth-child(even) .entry-media { order: 2; }
.entry-media {
  border-radius: 16px;
  overflow: hidden;
  height: 260px;
}
.entry-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.product-entry:hover .entry-media img { transform: scale(1.03); }
.entry-body { padding: 8px 10px; }
.entry-body .tag { margin-bottom: 12px; }
.entry-body h3 {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--text-heading);
}
.entry-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}
.entry-body .entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}
.entry-body .entry-meta li {
  font-size: 12px;
  color: var(--primary-mid);
  background: rgba(66, 126, 151, 0.08);
  border-radius: 999px;
  padding: 3px 12px;
  font-weight: 500;
}

/* ===== Stats Band ===== */
.stats-band {
  background: var(--bg-soft);
  padding: 64px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-item {
  text-align: center;
  padding: 24px 20px;
  border-right: 1px solid var(--border);
  transition: var(--transition);
}
.stat-item:last-child { border-right: none; }
.stat-item:hover .stat-number { color: var(--accent); transform: translateY(-2px); }
.stat-number {
  font-size: 44px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  letter-spacing: 0.02em;
  transition: var(--transition);
}
.stat-number span { font-size: 16px; font-weight: 700; color: var(--primary-mid); margin-left: 2px; }
.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
  letter-spacing: 0.05em;
}

/* ===== Process ===== */
.process-section { background: #fff; }
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 20px;
  position: relative;
}
.process-steps::before {
  content: "";
  position: absolute;
  top: 34px;
  left: 60px;
  right: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-light), var(--accent-light));
  border-radius: 999px;
  z-index: 0;
}
.process-step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 24px 16px;
  background: var(--card-bg);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.process-step:hover { transform: translateY(-6px); box-shadow: var(--shadow-card-hover); }
.step-num {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--primary);
  color: #fff;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  box-shadow: 0 8px 16px rgba(47, 93, 115, 0.2);
}
.process-step h3 { font-size: 17px; margin-bottom: 10px; }
.process-step p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ===== FAQ ===== */
.faq-section { background: var(--bg); }
.faq-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}
.faq-heading h2 { font-size: 30px; margin-bottom: 16px; }
.faq-heading p { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; line-height: 1.8; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-list details {
  background: #fff;
  border: 1px solid var(--border-card);
  border-radius: 14px;
  transition: var(--transition);
  overflow: hidden;
}
.faq-list details[open] { border-color: var(--primary-light); box-shadow: var(--shadow-card); }
.faq-list summary {
  padding: 18px 22px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  list-style: none;
  user-select: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 13px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--primary-mid);
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-list details[open] summary::after {
  content: "\f00d";
  transform: rotate(90deg);
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}
.faq-list details p {
  padding: 0 22px 18px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  margin: 0;
  padding-top: 14px;
}

/* ===== Contact / CTA ===== */
.contact-section { background: var(--bg); padding-top: 40px; }
.cta-panel {
  background: var(--primary);
  border-radius: var(--radius-lg);
  padding: 56px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(31, 56, 66, 0.22);
}
.cta-panel::before {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 200px;
  height: 200px;
  border: 2px solid rgba(193, 154, 91, 0.35);
  border-radius: 40px;
  transform: rotate(18deg);
  pointer-events: none;
}
.cta-panel::after {
  content: "";
  position: absolute;
  right: 60px;
  bottom: -30px;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 50%;
  pointer-events: none;
}
.cta-content {
  text-align: center;
  margin-bottom: 44px;
  position: relative;
  z-index: 1;
}
.cta-content h2 {
  color: #fff;
  font-size: 32px;
  margin-bottom: 10px;
}
.cta-content p {
  color: rgba(255,255,255,0.8);
  font-size: 15px;
  max-width: 520px;
  margin: 0 auto 24px;
}
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 40px;
  position: relative;
  z-index: 1;
}
.contact-info {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 24px;
}
.info-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 0;
  color: rgba(255,255,255,0.88);
  font-size: 14px;
  border-bottom: 1px dashed rgba(255,255,255,0.12);
}
.info-row:last-child { border-bottom: none; }
.info-row i {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(193, 154, 91, 0.18);
  color: var(--accent-light);
  border-radius: 8px;
  font-size: 14px;
  flex-shrink: 0;
}
.contact-form-skeleton {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 24px;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.form-grid textarea {
  grid-column: 1 / -1;
  min-height: 100px;
  resize: vertical;
}
.form-grid input,
.form-grid textarea {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 10px;
  padding: 13px 16px;
  color: #fff;
  font-size: 14px;
  transition: var(--transition);
  outline: none;
}
.form-grid input::placeholder,
.form-grid textarea::placeholder { color: rgba(255,255,255,0.45); }
.form-grid input:focus,
.form-grid textarea:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,0.15);
  box-shadow: 0 0 0 3px rgba(193, 154, 91, 0.25);
}
.form-grid .btn {
  grid-column: 1 / -1;
  width: 100%;
  min-height: 44px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding-top: 64px;
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 180px;
  height: 180px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ccircle cx='50' cy='50' r='44' fill='none' stroke='%23C19A5B' stroke-width='0.5'/%3E%3Cpath d='M50 6v88M6 50h88' stroke='%23C19A5B' stroke-width='0.5'/%3E%3C/svg%3E");
  background-size: cover;
  opacity: 0.12;
  pointer-events: none;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  position: relative;
  z-index: 1;
}
.footer-brand .logo-text strong { color: #fff; }
.footer-brand .logo-text span { color: var(--accent-light); }
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  margin: 18px 0;
  max-width: 280px;
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-col ul li a i { font-size: 10px; color: var(--accent); }
.footer-col ul li a:hover { color: var(--accent-light); padding-left: 4px; }
.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: rgba(255,255,255,0.6);
  font-size: 14px;
}
.footer-contact li i { margin-top: 4px; color: var(--accent); font-size: 13px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  position: relative;
  z-index: 1;
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--accent-light); }

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .section { padding: 64px 0; }
  .banner-grid { grid-template-columns: 1fr; gap: 32px; }
  .overview-grid { grid-template-columns: 1fr; gap: 36px; }
  .product-entry { grid-template-columns: 1fr; }
  .product-entry:nth-child(even) { grid-template-columns: 1fr; }
  .product-entry:nth-child(even) .entry-media { order: 0; }
  .entry-media { height: 220px; }
  .faq-grid { grid-template-columns: 1fr; gap: 36px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-bottom: 1px solid var(--border); }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(3), .stat-item:nth-child(4) { border-bottom: none; }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .process-steps::before { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .cta-panel { padding: 40px 28px; }
}

@media (max-width: 639px) {
  .container { padding-left: 18px; padding-right: 18px; }
  .section { padding: 48px 0; }
  .section-head h2 { font-size: 26px; }
  .nav-toggle { display: inline-flex; }
  .nav-right .btn-accent { display: none; }
  .nav-chip-row {
    display: none;
    padding-bottom: 14px;
  }
  .nav-chip-row.open { display: block; }
  .chip-nav { flex-wrap: wrap; overflow-x: visible; background: transparent; padding: 0; gap: 8px; }
  .chip { flex: 1 1 auto; justify-content: center; padding: 8px 12px; }
  .page-banner { padding: 40px 0 36px; }
  .banner-text h1 { font-size: 28px; }
  .banner-text p { font-size: 15px; }
  .banner-visual { min-height: 180px; }
  .overview-image img { height: 220px; }
  .product-entry { padding: 16px; }
  .entry-media { height: 180px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-number { font-size: 34px; }
  .process-steps { grid-template-columns: 1fr; gap: 16px; }
  .faq-list summary { font-size: 14px; padding: 16px; }
  .cta-content h2 { font-size: 24px; }
  .cta-panel { padding: 32px 20px; }
  .contact-info { padding: 18px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .btn { grid-column: auto; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
  .stats-grid { border-bottom: 1px solid var(--border); }
  .stat-item { border-right: none; }
  .stat-item:nth-child(1), .stat-item:nth-child(2) { border-bottom: 1px solid var(--border); }
  .stat-item:nth-child(3) { border-bottom: 1px solid var(--border); }
}

@media (max-width: 380px) {
  .chip-nav { gap: 6px; }
  .chip { padding: 7px 10px; font-size: 12px; }
  .logo-text strong { font-size: 17px; }
}