/* roulang page: index */
:root {
  --primary: #0A6B42;
  --primary-dark: #075233;
  --forest: #0C2821;
  --bg: #F6F4EE;
  --surface: #FFFFFF;
  --accent: #B79C68;
  --lime: #BFD56B;
  --text: #1B2B25;
  --text-2: #596A62;
  --line: #E5E2DA;
  --danger: #C0503E;
  --success: #2F8F5B;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 6px 24px rgba(18,44,36,.04);
  --shadow-hover: 0 24px 48px rgba(18,44,36,.12);
  --header-h: 76px;
  --maxw: 1240px;
  --section-gap: 84px;
  --section-gap-mobile: 56px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "sans-serif";
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
:focus-visible { outline: 3px solid rgba(10,107,66,.35); outline-offset: 3px; border-radius: 4px; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 32px;
}
.section { padding-block: var(--section-gap); }
.section-soft { background: #F1EFE8; }
.section-plain { background: var(--bg); }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--primary);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--accent); border-radius: 2px; }
.section-head { max-width: 860px; margin-bottom: 48px; }
.section-head h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 650;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--text);
}
.section-head p { margin-top: 16px; color: var(--text-2); max-width: 760px; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform .35s ease, box-shadow .35s ease;
}
a.card:hover, .card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border: 0;
  border-radius: 12px;
  font-size: .95rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background .3s ease, transform .18s ease, color .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.btn:active { transform: translateY(1px) scale(.995); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 16px 30px rgba(7,82,51,.18); }
.btn-light { background: #fff; color: var(--primary); }
.btn-light:hover { background: #E8F4ED; }
.btn-ghost {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.6);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255,255,255,.18); border-color: #fff; color: #fff; }
.btn-sm { min-height: 38px; padding: 0 16px; font-size: .88rem; border-radius: 10px; }
.btn .arrow { display: inline-block; transition: transform .3s ease; }
.btn:hover .arrow { transform: translateX(4px); }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: .92rem;
  position: relative;
  padding-bottom: 2px;
}
.text-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width .35s ease;
}
.text-link:hover::after { width: 100%; }
.text-link .arrow-up { transition: transform .3s ease; }
.text-link:hover .arrow-up { transform: translate(4px, -2px); }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 12px;
  background: rgba(10,107,66,.1);
  color: var(--primary);
  font-size: .78rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  line-height: 1.4;
}

/* 顶部导航 */
.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  right: 0;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.10);
  border-bottom: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background .4s ease, border-color .4s ease, box-shadow .4s ease;
}
.site-header.scrolled {
  background: rgba(250,249,245,.92);
  border-bottom-color: rgba(0,0,0,.08);
  box-shadow: 0 10px 30px rgba(18,44,36,.06);
}
.header-inner {
  width: calc(100% - 48px);
  max-width: 1280px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  transition: color .4s ease;
}
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.36);
  display: grid;
  place-items: center;
  color: #fff;
  transition: background .4s ease, border-color .4s ease, color .4s ease;
}
.brand-mark svg { width: 20px; height: 20px; }
.brand-text { font-size: 1.05rem; font-weight: 700; letter-spacing: .01em; line-height: 1.2; }
.site-header.scrolled .brand { color: var(--text); }
.site-header.scrolled .brand-mark { background: rgba(10,107,66,.08); border-color: rgba(10,107,66,.18); color: var(--primary); }
.site-nav { display: flex; align-items: center; gap: 28px; }
.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: var(--header-h);
  color: rgba(255,255,255,.92);
  font-size: .94rem;
  font-weight: 500;
  position: relative;
  transition: color .35s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 12px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: transparent;
  transition: background .3s ease;
}
.nav-link:hover { color: #fff; }
.nav-link.is-active { color: #fff; font-weight: 600; }
.nav-link.is-active::after { background: var(--lime); }
.site-header.scrolled .nav-link { color: #24352E; }
.site-header.scrolled .nav-link:hover,
.site-header.scrolled .nav-link.is-active { color: var(--primary); }
.site-header.scrolled .nav-link.is-active::after { background: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.search-wrap {
  display: flex;
  align-items: center;
  height: 38px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  overflow: hidden;
  transition: max-width .35s ease, background .35s ease, border-color .35s ease;
  max-width: 38px;
}
.search-wrap .search-input {
  width: 0;
  opacity: 0;
  border: 0;
  background: transparent;
  color: #fff;
  outline: none;
  font-size: .9rem;
  padding: 0;
  transition: width .4s ease, opacity .35s ease, margin .4s ease;
}
.search-wrap.open { max-width: 240px; border-color: rgba(255,255,255,.32); background: rgba(255,255,255,.18); }
.search-wrap.open .search-input { width: 160px; opacity: 1; margin-left: 16px; margin-right: 4px; }
.search-btn {
  width: 38px;
  height: 38px;
  border: 0;
  background: none;
  color: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: color .3s ease, background .3s ease;
}
.search-btn:hover { background: rgba(255,255,255,.14); color: #fff; }
.search-btn svg { width: 17px; height: 17px; }
.site-header.scrolled .search-wrap { background: rgba(10,107,66,.06); border-color: rgba(10,107,66,.16); }
.site-header.scrolled .search-wrap .search-input { color: var(--text); }
.site-header.scrolled .search-btn { color: var(--text); }
.site-header.scrolled .search-btn:hover { color: var(--primary); background: rgba(10,107,66,.08); }
.header-cta { display: inline-flex; }
.mobile-menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,.26);
  background: rgba(255,255,255,.08);
  border-radius: 10px;
  color: #fff;
  align-items: center;
  justify-content: center;
  transition: background .3s ease;
}
.mobile-menu-btn:hover { background: rgba(255,255,255,.18); }
.mobile-menu-btn svg { width: 20px; height: 20px; }
.site-header.scrolled .mobile-menu-btn { color: var(--text); border-color: rgba(10,107,66,.18); background: rgba(10,107,66,.06); }
.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: min(86vw, 380px);
  height: 100dvh;
  background: rgba(250,249,245,.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 120;
  box-shadow: -20px 0 60px rgba(18,44,36,.14);
  transform: translateX(102%);
  transition: transform .4s cubic-bezier(.22,.61,.36,1);
  display: flex;
  flex-direction: column;
  padding: 110px 30px 32px;
  overflow-y: auto;
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav .mnav-close {
  position: absolute;
  top: 18px;
  right: 20px;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 50%;
  color: var(--text);
  font-size: 1rem;
  display: grid;
  place-items: center;
}
.mobile-nav-list { display: grid; gap: 6px; }
.mobile-nav-list a {
  display: block;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  font-size: 1.18rem;
  font-weight: 600;
  color: var(--text);
}
.mobile-nav-list a.is-active { color: var(--primary); }
.mobile-nav-bottom { margin-top: auto; padding-top: 28px; }
.mobile-nav-bottom .btn { width: 100%; margin-top: 10px; }
.nav-scrim {
  position: fixed;
  inset: 0;
  background: rgba(12,40,33,.45);
  backdrop-filter: blur(2px);
  z-index: 110;
  opacity: 0;
  visibility: hidden;
  transition: opacity .4s ease, visibility .4s ease;
}
.nav-scrim.show { opacity: 1; visibility: visible; }
body.menu-open { overflow: hidden; }

/* Hero */
.hero {
  position: relative;
  min-height: 640px;
  min-height: calc(100vh - 0px);
  background-color: var(--forest);
  background-image:
    linear-gradient(90deg, rgba(12,40,33,.92) 0%, rgba(12,40,33,.62) 42%, rgba(12,40,33,.22) 100%),
    linear-gradient(180deg, rgba(12,40,33,.25) 0%, rgba(12,40,33,.55) 74%, #0C2821 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center center;
  display: grid;
  align-items: center;
  color: #fff;
  overflow: hidden;
  padding: calc(var(--header-h) + 84px) 0 72px;
}
.hero-inner { max-width: 1240px; margin-inline: auto; width: 100%; padding-inline: 32px; }
.hero-content { max-width: 780px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 999px;
  font-size: .8rem;
  color: #fff;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}
.hero-title {
  font-size: clamp(2rem, 4.4vw, 3.5rem);
  line-height: 1.24;
  letter-spacing: .01em;
  font-weight: 700;
  text-wrap: balance;
  margin-bottom: 22px;
}
.hero-title .grad {
  color: var(--lime);
  font-weight: 700;
}
.hero-lead {
  font-size: 1.05rem;
  line-height: 1.9;
  color: rgba(255,255,255,.92);
  max-width: 690px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-bottom: 38px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-tags span {
  display: inline-flex;
  padding: 6px 13px;
  border: 1px solid rgba(255,255,255,.28);
  background: rgba(255,255,255,.06);
  border-radius: 999px;
  font-size: .82rem;
  color: rgba(255,255,255,.88);
}
.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  width: 1px;
  text-align: center;
  color: rgba(255,255,255,.72);
}
.hero-scroll-line { width: 1px; height: 46px; background: rgba(255,255,255,.5); margin-inline: auto; }

/* 服务区 */
.services-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 64px;
  align-items: stretch;
}
.service-overview {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  padding: 40px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.service-overview::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.service-overview h3 { font-size: 1.45rem; line-height: 1.5; margin: 10px 0 18px; }
.service-overview p { color: var(--text-2); font-size: .97rem; }
.service-link { margin-top: 30px; display: inline-flex; }
.service-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.service-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px 24px 24px;
  position: relative;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  box-shadow: 0 4px 14px rgba(18,44,36,.03);
}
.service-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 4px;
  height: 34px;
  background: var(--primary);
  border-radius: 0 4px 4px 0;
  opacity: 0;
  transition: opacity .3s ease;
}
.service-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(10,107,66,.22); }
.service-item:hover::before { opacity: 1; }
.service-no { font-size: .85rem; font-weight: 700; color: var(--accent); letter-spacing: .06em; display: block; margin-bottom: 8px; }
.service-item h4 { font-size: 1.12rem; margin-bottom: 10px; }
.service-item p { color: var(--text-2); font-size: .88rem; line-height: 1.75; }

/* 优势数据深色区 */
.stats-band {
  background: var(--forest);
  color: #fff;
  padding: 72px 0;
}
.stats-band .band-head { max-width: 700px; margin-bottom: 48px; }
.stats-band .eyebrow { color: var(--lime); }
.stats-band h2 { font-size: clamp(1.4rem, 2.4vw, 2rem); line-height: 1.35; margin-bottom: 12px; }
.stats-band .band-desc { color: rgba(255,255,255,.72); max-width: 720px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-left: 0; }
.stat-item {
  padding: 28px 26px;
  position: relative;
  border-left: 1px solid rgba(255,255,255,.16);
}
.stat-item:first-child { border-left: 0; }
.stat-num {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-size: clamp(2.2rem, 4vw, 3.3rem);
  font-weight: 700;
  color: var(--lime);
  line-height: 1.1;
}
.stat-unit { font-size: .8em; color: rgba(255,255,255,.7); font-weight: 500; }
.stat-desc { margin-top: 6px; font-size: .84rem; color: rgba(255,255,255,.72); }

/* 案例区 */
.cases-grid {
  display: grid;
  grid-template-columns: 1.12fr 1fr;
  gap: 34px;
  align-items: start;
}
.case-right { display: grid; gap: 22px; transform: translateY(32px); }
.case-card { border-radius: var(--radius-lg); overflow: hidden; }
.case-media { position: relative; overflow: hidden; background: var(--line); }
.case-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.case-card:hover .case-media img { transform: scale(1.035); }
.case-card-lg .case-media { aspect-ratio: 16 / 10; }
.case-card-sm .case-media { aspect-ratio: 16 / 8; }
.case-body { padding: 24px 26px 26px; }
.case-body .tag { margin-bottom: 12px; }
.case-body h3 { font-size: 1.22rem; line-height: 1.5; margin-bottom: 8px; }
.case-body p { color: var(--text-2); font-size: .9rem; line-height: 1.8; margin-bottom: 14px; }
.case-body .more-link { color: var(--primary); font-weight: 600; font-size: .9rem; }
.case-body .more-link:hover { text-decoration: underline; }

/* 合作流程 */
.process-section { background: var(--surface); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: process; }
.process-step {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--bg);
  padding: 32px 24px 26px;
  position: relative;
  transition: transform .3s ease, box-shadow .3s ease;
}
.process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.step-num {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.process-step:nth-child(4) .step-num { background: var(--accent); color: var(--text); }
.process-step h3 { font-size: 1.13rem; margin-bottom: 12px; }
.step-list { border-top: 1px solid var(--line); }
.step-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 0;
  font-size: .86rem;
  color: var(--text-2);
  border-bottom: 1px solid var(--line);
}
.step-list li:last-child { border-bottom: 0; }
.step-list li::before { content: "✓"; color: var(--primary); font-weight: 700; flex-shrink: 0; }
.process-step .step-btn-holder { margin-top: 16px; }
.process-step .btn { width: 100%; justify-content: center; }

/* 资讯区 */
.news-section { background: var(--bg); }
.news-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 28px;
  align-items: start;
}
.news-feature-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.news-feature-media {
  aspect-ratio: 16 / 8;
  background:
    linear-gradient(135deg, rgba(12,40,33,.82), rgba(10,107,66,.58)),
    url('/assets/images/coverpic/cover-2.png');
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 28px;
  color: #fff;
}
.news-feature-media .media-tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .9rem;
  background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.22);
  padding: 6px 12px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}
.news-feature-body { padding: 28px 28px 30px; }
.news-feature-body h3 { font-size: 1.35rem; line-height: 1.6; margin-bottom: 10px; }
.news-feature-body h3 a:hover { color: var(--primary); }
.news-feature-body .summary { color: var(--text-2); font-size: .94rem; line-height: 1.8; margin-bottom: 18px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: flex; align-items: center; gap: 16px; font-size: .82rem; color: var(--text-2); }
.news-meta time { display: inline-flex; align-items: center; gap: 5px; }
.news-side { display: grid; gap: 16px; }
.news-side-card { display: flex; gap: 18px; align-items: flex-start; padding: 22px; }
.news-side-card .side-icon {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  border-radius: 12px;
  background: linear-gradient(145deg, rgba(10,107,66,.1), rgba(183,156,104,.16));
  display: grid;
  place-items: center;
  color: var(--primary);
}
.news-side-card .side-icon svg { width: 25px; height: 25px; }
.news-side-card h4 { font-size: .96rem; line-height: 1.5; margin-bottom: 6px; }
.news-side-card h4 a:hover { color: var(--primary); }
.news-side-card p { font-size: .84rem; color: var(--text-2); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-side-card .news-date { display: block; margin-top: 8px; font-size: .78rem; color: #8A938D; }
.news-more-link { margin-top: 18px; display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.news-empty {
  grid-column: 1 / -1;
  border: 1px dashed rgba(10,107,66,.3);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.6);
  padding: 48px 24px;
  text-align: center;
  color: var(--text-2);
}
.news-empty svg { width: 42px; height: 42px; margin-inline: auto; margin-bottom: 12px; color: var(--line); }
.news-empty p { margin-bottom: 14px; }

/* FAQ */
.faq-section { background: var(--surface); }
.faq-section .section-head { margin-bottom: 32px; }
.faq-list { max-width: 860px; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question {
  position: relative;
  width: 100%;
  background: none;
  border: 0;
  padding: 26px 52px 26px 0;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 500;
  text-align: left;
  transition: color .3s ease;
}
.faq-question:hover { color: var(--primary); }
.faq-item.open .faq-question { font-weight: 700; color: var(--primary); }
.faq-icon {
  position: absolute;
  right: 0;
  top: 24px;
  width: 30px;
  height: 30px;
  border: 1.6px solid currentColor;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
  transition: transform .35s ease, background .35s ease;
}
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  border-radius: 2px;
  transition: transform .35s ease;
}
.faq-icon::before { width: 11px; height: 1.6px; }
.faq-icon::after { width: 1.6px; height: 11px; }
.faq-item.open .faq-icon { transform: rotate(45deg); background: rgba(10,107,66,.06); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .45s ease, opacity .4s ease;
  opacity: 0;
}
.faq-item.open .faq-answer { max-height: 260px; opacity: 1; }
.faq-answer p {
  padding: 0 60px 28px 0;
  max-width: 800px;
  color: var(--text-2);
  line-height: 1.85;
}

/* 联系 CTA */
.contact-section {
  background: linear-gradient(120deg, #F6F4EE 0%, #E3EFE8 100%);
  border-top: 1px solid #DCE5DC;
}
.contact-grid { display: grid; grid-template-columns: 1fr .95fr; gap: 56px; align-items: start; }
.contact-intro .eyebrow { margin-bottom: 12px; }
.contact-intro h2 { font-size: clamp(1.5rem,2.6vw,2rem); line-height: 1.4; margin-bottom: 18px; }
.contact-intro > p { color: var(--text-2); max-width: 520px; margin-bottom: 30px; }
.contact-list { display: grid; gap: 14px; }
.contact-line {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  color: var(--text);
}
.contact-line .ckey { min-width: 82px; color: var(--text-2); font-size: .92rem; }
.contact-line .cval { font-weight: 600; }
.contact-note { margin-top: 24px; padding: 16px 18px; background: rgba(255,255,255,.6); border-left: 3px solid var(--primary); border-radius: 8px; font-size: .88rem; color: var(--text-2); }
.form-card { background: #fff; border-radius: 20px; padding: 32px; box-shadow: 0 24px 60px rgba(12,40,33,.08); border: 1px solid var(--line); }
.form-card h3 { font-size: 1.3rem; margin-bottom: 6px; }
.form-card .form-sub { font-size: .88rem; color: var(--text-2); margin-bottom: 22px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: .9rem; font-weight: 600; margin-bottom: 6px; }
.form-group .req { color: var(--danger); }
.form-input {
  width: 100%;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #FAFAF7;
  padding: 0 14px;
  font-size: .93rem;
  color: var(--text);
  outline: none;
  transition: border-color .3s ease, box-shadow .3s ease, background .3s ease;
}
textarea.form-input { height: 112px; padding-top: 12px; resize: vertical; }
.form-input:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px rgba(10,107,66,.1); }
.form-input.is-error { border-color: var(--danger); background: #FCF4F2; }
.form-input.is-success { border-color: var(--success); background: #F2FAF5; }
.form-status { min-height: 20px; margin-top: 8px; font-size: .82rem; color: var(--danger); }
.form-card .btn { width: 100%; margin-top: 6px; }
.form-privacy { margin-top: 14px; font-size: .78rem; color: #8A938D; text-align: center; }

/* 页脚 */
.site-footer { background: var(--forest); color: rgba(255,255,255,.75); }
.footer-main {
  display: grid;
  grid-template-columns: 1.4fr .8fr 1fr 1.1fr;
  gap: 40px;
  padding: 64px 0 48px;
}
.footer-brand .brand { color: #fff; padding-bottom: 12px; }
.footer-brand .brand-mark { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.18); }
.footer-brand p { margin-top: 18px; font-size: .89rem; max-width: 330px; color: rgba(255,255,255,.65); line-height: 1.85; }
.footer-block h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.footer-links a { display: block; padding: 6px 0; color: rgba(255,255,255,.68); font-size: .9rem; transition: color .28s ease, padding-left .28s ease; }
.footer-links a:hover { color: var(--lime); padding-left: 4px; }
.footer-contact p { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; font-size: .9rem; color: rgba(255,255,255,.72); }
.footer-contact a { color: var(--lime); }
.footer-contact a:hover { text-decoration: underline; }
.footer-sub { padding: 22px 0; border-top: 1px solid rgba(255,255,255,.12); display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: .78rem; color: rgba(255,255,255,.55); }
.footer-sub a { color: rgba(255,255,255,.62); }
.footer-sub a:hover { color: #fff; }

/* 响应式 */
@media (max-width: 1200px) {
  .container, .hero-inner { padding-inline: 28px; }
  .services-layout { gap: 36px; }
}
@media (max-width: 992px) {
  .site-nav { display: none; }
  .header-cta { display: none; }
  .mobile-menu-btn { display: inline-flex; }
  .search-wrap { max-width: 34px; }
  .search-wrap.open { max-width: 200px; }
  .search-wrap.open .search-input { width: 120px; }
  .services-layout { grid-template-columns: 1fr; margin-top: 20px; }
  .cases-grid { grid-template-columns: 1fr; }
  .case-right { transform: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 0; }
  .stat-item { border-left: 0; border-bottom: 1px solid rgba(255,255,255,.12); padding: 20px 12px; }
  .stat-item:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.12); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  :root { --section-gap: var(--section-gap-mobile); }
  .container, .hero-inner { padding-inline: 20px; }
  .header-inner { width: calc(100% - 32px); }
  .section-head h2 { font-size: 1.6rem; }
  .hero { padding-top: calc(var(--header-h) + 58px); padding-bottom: 58px; min-height: 560px; }
  .hero-title { font-size: clamp(1.8rem, 7vw, 2.6rem); }
  .hero-lead { font-size: .98rem; }
  .hero-actions { gap: 10px; }
  .hero-scroll { display: none; }
  .service-overview { padding: 28px 22px; }
  .service-list { grid-template-columns: 1fr 1fr; gap: 12px; }
  .service-item { padding: 22px 16px 20px; }
  .case-media img { aspect-ratio: 4/3; }
  .process-grid { grid-template-columns: 1fr; }
  .step-list { margin-top: 12px; }
  .faq-question { font-size: .96rem; padding-right: 42px; }
  .faq-icon { right: 0; top: 22px; width: 27px; height: 27px; }
  .form-card { padding: 22px 18px; }
}
@media (max-width: 560px) {
  .container, .hero-inner { padding-inline: 16px; }
  .service-list { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-main { grid-template-columns: 1fr; }
  .news-feature-body h3 { font-size: 1.1rem; }
  .news-side-card { flex-direction: column; padding: 18px; }
  .site-header { min-height: 62px; }
  .mobile-menu-btn { width: 40px; height: 40px; }
}

/* roulang page: category1 */
:root{
  --color-primary:#0A6B42;
  --color-primary-hover:#075233;
  --color-forest:#0C2821;
  --color-bg:#F6F4EE;
  --color-surface:#FFFFFF;
  --color-accent:#B79C68;
  --color-lime:#BFD56B;
  --color-text:#1B2B25;
  --color-text-2:#596A62;
  --color-line:#E5E2DA;
  --color-white:#fff;
  --radius-lg:20px;
  --radius-md:12px;
  --radius-round:999px;
  --shadow-1:0 6px 24px rgba(18,44,36,.04);
  --shadow-2:0 24px 48px rgba(18,44,36,.10);
  --space-section:84px;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","sans-serif";
  background:var(--color-bg);
  color:var(--color-text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font-family:inherit;font-size:inherit}
ul,ol,p,h1,h2,h3,h4,figure{margin:0}
svg{width:1em;height:1em}
.container{max-width:var(--container);margin-inline:auto;padding-inline:32px}
.section{padding-block:var(--space-section);scroll-margin-top:88px}

h1,h2,h3{line-height:1.35;text-wrap:balance}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:650;letter-spacing:.01em;margin-bottom:18px}
h3{font-size:1.25rem;font-weight:600;line-height:1.5}
p{color:var(--color-text-2)}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:1.05rem;letter-spacing:.01em;line-height:1.2;color:var(--color-white);transition:color .25s ease}
.brand-mark{display:grid;place-items:center;width:32px;height:32px;color:var(--color-lime);flex:0 0 auto}
.brand-mark svg{width:100%;height:100%}
.brand-text{white-space:nowrap}
a.brand:hover{opacity:.95}

.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:rgba(255,255,255,.08);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.14);
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(250,249,245,.9);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom-color:rgba(0,0,0,.08);
  box-shadow:0 8px 30px rgba(18,44,36,.04);
}
.site-header.is-scrolled .brand,
.site-header.is-scrolled .nav-link,
.site-header.is-scrolled .search-toggle,
.site-header.is-scrolled .menu-toggle{
  color:var(--color-text);
}
.site-header.is-scrolled .brand-mark{
  color:var(--color-primary);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:76px;
  gap:20px;
}
.site-nav{
  display:flex;
  align-items:center;
  gap:30px;
}
.nav-link{
  position:relative;
  color:rgba(255,255,255,.9);
  font-weight:500;
  font-size:.9375rem;
  padding:10px 2px;
  line-height:1.4;
  transition:color .2s ease;
}
.nav-link:hover{
  color:var(--color-lime);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-2px;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--color-lime);
  opacity:0;
  transform:translateX(-50%) scale(.5);
  transition:opacity .2s ease,transform .2s ease;
}
.nav-link.is-active{
  color:var(--color-lime);
}
.nav-link.is-active::after{
  opacity:1;
  transform:translateX(-50%) scale(1);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  position:relative;
}
.search-toggle{
  display:grid;
  place-items:center;
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.35);
  background:transparent;
  color:var(--color-white);
  cursor:pointer;
  font-size:1.05rem;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.search-toggle:hover{
  background:rgba(255,255,255,.15);
  color:var(--color-lime);
}
.search-toggle:focus-visible,
.menu-toggle:focus-visible,
.btn:focus-visible,
.nav-link:focus-visible{
  outline:2px solid var(--color-lime);
  outline-offset:3px;
}
.header-search{
  position:absolute;
  right:0;
  top:calc(100% + 14px);
  width:min(380px,80vw);
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
}
.header-search.is-open{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.header-search form{
  display:flex;
  align-items:center;
  gap:8px;
  background:rgba(250,249,245,.97);
  border:1px solid var(--color-line);
  border-radius:var(--radius-round);
  padding:6px 6px 6px 16px;
  box-shadow:var(--shadow-2);
}
.header-search input{
  flex:1;
  border:0;
  background:transparent;
  outline:none;
  color:var(--color-text);
  min-height:36px;
}
.header-search input::placeholder{
  color:#87958e;
}
.header-search button{
  display:grid;
  place-items:center;
  width:38px;height:38px;
  border-radius:50%;
  border:0;
  background:var(--color-primary);
  color:var(--color-white);
  cursor:pointer;
  font-size:1rem;
  transition:background .2s ease;
}
.header-search button:hover{
  background:var(--color-primary-hover);
}
.cta-nav{
  border-radius:var(--radius-round);
  padding:11px 22px;
}
.menu-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:42px;height:42px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.35);
  background:transparent;
  color:var(--color-white);
  font-size:1.4rem;
  cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.menu-toggle:hover{
  background:rgba(255,255,255,.15);
}
.menu-overlay{
  display:none;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-round);
  padding:11px 24px;
  font-weight:600;
  font-size:.9375rem;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn:focus-visible{
  outline:2px solid var(--color-primary);
  outline-offset:4px;
}
.btn:active{
  transform:translateY(1px) scale(.99);
}
.btn-primary{
  background:var(--color-primary);
  color:var(--color-white);
}
.btn-primary:hover{
  background:var(--color-primary-hover);
  box-shadow:0 10px 24px rgba(10,107,66,.24);
  transform:translateY(-1px);
}
.btn-outline-light{
  background:transparent;
  border-color:rgba(255,255,255,.65);
  color:var(--color-white);
}
.btn-outline-light:hover{
  background:rgba(255,255,255,.1);
  border-color:var(--color-white);
}
.btn-white{
  background:var(--color-white);
  color:var(--color-primary);
}
.btn-white:hover{
  background:rgba(255,255,255,.9);
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(255,255,255,.18);
}
.btn-ghost{
  background:rgba(10,107,66,.05);
  color:var(--color-primary);
  border:1px solid rgba(10,107,66,.18);
}
.btn-ghost:hover{
  background:var(--color-primary);
  color:var(--color-white);
  border-color:var(--color-primary);
}

.page-hero{
  position:relative;
  color:var(--color-white);
  background:
    linear-gradient(102deg,rgba(12,40,33,.92) 0%,rgba(10,107,66,.76) 56%,rgba(12,40,33,.68) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  padding:150px 0 104px;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:72px;
  background:linear-gradient(to top,var(--color-bg),rgba(246,244,238,0));
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  max-width:980px;
}
.hero-breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:6px;
  margin-bottom:28px;
  font-size:.875rem;
  color:rgba(255,255,255,.72);
}
.hero-breadcrumb a{
  color:rgba(255,255,255,.85);
  transition:color .2s ease;
}
.hero-breadcrumb a:hover{
  color:var(--color-lime);
}
.hero-breadcrumb .sep{
  color:rgba(255,255,255,.45);
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:18px;
  font-size:.8125rem;
  color:var(--color-lime);
  background:rgba(191,213,107,.12);
  border:1px solid rgba(191,213,107,.25);
  border-radius:var(--radius-round);
  padding:5px 14px;
}
.hero-eyebrow .dot{
  width:5px;height:5px;
  border-radius:50%;
  background:var(--color-lime);
}
.page-hero h1{
  font-size:clamp(2.15rem,4.6vw,3.6rem);
  font-weight:700;
  line-height:1.18;
  letter-spacing:.01em;
  margin-bottom:20px;
  color:#fff;
}
.hero-desc{
  font-size:1.05rem;
  line-height:1.9;
  color:rgba(255,255,255,.82);
  max-width:720px;
  margin-bottom:34px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.hero-anchors{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:44px;
}
.anchor-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  border-radius:var(--radius-round);
  padding:8px 16px;
  font-size:.875rem;
  color:rgba(255,255,255,.88);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.anchor-pill:hover{
  background:rgba(255,255,255,.22);
  color:var(--color-white);
  border-color:rgba(255,255,255,.5);
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.8125rem;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--color-primary);
  text-transform:uppercase;
  margin-bottom:10px;
}
.eyebrow .eyebrow-num{
  color:var(--color-accent);
  font-weight:700;
}
.eyebrow::after{
  content:"";
  width:30px;height:1px;
  background:var(--color-primary);
  opacity:.35;
  margin-left:4px;
}
.section-head{
  max-width:760px;
  margin-bottom:42px;
}
.section-head p{
  max-width:680px;
}
.section-muted{
  background:#EFECE4;
}

.overview-shell{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:28px;
  align-items:stretch;
}
.intro-card{
  background:var(--color-forest);
  border-radius:var(--radius-lg);
  color:var(--color-white);
  padding:40px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:32px;
  overflow:hidden;
  position:relative;
}
.intro-card::before{
  content:"";
  position:absolute;
  width:160px;height:160px;
  right:-48px;top:-48px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(191,213,107,.2),transparent 70%);
}
.intro-card h2{
  color:#fff;
  font-size:clamp(1.25rem,1.9vw,1.5rem);
  margin-bottom:16px;
}
.intro-card p{
  color:rgba(255,255,255,.72);
  margin-bottom:16px;
  line-height:1.9;
}
.mini-list{
  list-style:none;
  padding:0;
  display:grid;
  gap:12px;
}
.mini-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  color:var(--color-lime);
  font-size:.9375rem;
}
.mini-list span{
  display:grid;
  place-items:center;
  width:20px;height:20px;
  border-radius:50%;
  background:rgba(191,213,107,.14);
  color:var(--color-lime);
  flex:0 0 auto;
  margin-top:4px;
}
.mini-list p{
  color:rgba(255,255,255,.78);
  font-size:.9375rem;
  margin:0;
}
.mini-card-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.mini-card{
  background:var(--color-surface);
  border:1px solid var(--color-line);
  border-radius:var(--radius-md);
  padding:28px;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.mini-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:rgba(10,107,66,.2);
}
.mini-num{
  display:block;
  font-size:.8125rem;
  letter-spacing:.08em;
  color:var(--color-accent);
  font-weight:700;
  margin-bottom:18px;
}
.mini-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  margin-bottom:18px;
  border-radius:12px;
  background:rgba(10,107,66,.08);
  color:var(--color-primary);
  font-size:1.2rem;
}
.mini-card h3{
  margin-bottom:8px;
}
.mini-card p{
  font-size:.875rem;
  color:var(--color-text-2);
}
.side-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:0;
  font-weight:600;
  color:var(--color-primary);
  transition:gap .2s ease;
}
.side-link:hover{
  gap:11px;
}

.wide-list{
  display:grid;
  gap:26px;
  margin-top:8px;
}
.wide-card{
  display:grid;
  grid-template-columns:1fr 1fr;
  background:var(--color-surface);
  border:1px solid var(--color-line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:box-shadow .25s ease,transform .25s ease;
}
.wide-card:hover{
  box-shadow:var(--shadow-2);
  transform:translateY(-3px);
}
.wide-card-figure{
  position:relative;
  min-height:280px;
  background:#dce7dc;
}
.wide-card-figure img{
  position:absolute;
  inset:0;
  width:100%;height:100%;
  object-fit:cover;
}
.wide-card-figure .tag{
  position:absolute;
  top:18px;left:18px;
  background:rgba(12,40,33,.72);
  color:#fff;
  border-radius:var(--radius-round);
  padding:4px 12px;
  font-size:.8125rem;
  backdrop-filter:blur(6px);
}
.wide-card-body{
  padding:34px 36px;
}
.wide-card-body .lead{
  font-size:.875rem;
  color:var(--color-primary);
  font-weight:600;
  margin-bottom:8px;
}
.wide-card-body p+p{
  margin-top:12px;
}
.check-list{
  list-style:none;
  padding:0;
  margin-top:20px;
}
.check-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding:12px 0;
  border-bottom:1px solid var(--color-line);
  font-size:.9375rem;
  color:var(--color-text);
}
.check-list li:last-child{
  border-bottom:0;
}
.check-list svg{
  color:var(--color-primary);
  flex:0 0 auto;
  margin-top:5px;
}

.process-shell{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
  margin-top:42px;
}
.process-item{
  position:relative;
  background:var(--color-surface);
  border:1px solid var(--color-line);
  border-radius:var(--radius-lg);
  padding:32px 28px;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.process-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
}
.process-step{
  display:grid;
  place-items:center;
  width:46px;height:46px;
  border-radius:50%;
  border:1px solid rgba(183,156,104,.5);
  color:var(--color-primary);
  background:rgba(183,156,104,.08);
  font-weight:700;
  font-size:.9375rem;
  margin-bottom:18px;
}
.process-item h3{
  margin-bottom:8px;
}
.process-item p{
  font-size:.875rem;
  margin-top:8px;
}
.process-list{
  list-style:none;
  padding:0;
  margin:16px 0 0;
  border-top:1px solid var(--color-line);
}
.process-list li{
  padding:10px 0;
  border-bottom:1px solid var(--color-line);
  font-size:.875rem;
  color:var(--color-text);
}
.process-list li:last-child{
  border-bottom:0;
}
.process-foot{
  margin-top:36px;
  display:flex;
  justify-content:flex-end;
}

.faq-wrap{
  max-width:860px;
}
.faq-item{
  border-bottom:1px solid var(--color-line);
}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  cursor:pointer;
  list-style:none;
  padding:22px 6px 22px 0;
  font-weight:500;
  font-size:1.0625rem;
  color:var(--color-text);
  transition:padding-left .18s ease;
}
.faq-item summary::-webkit-details-marker{
  display:none;
}
.faq-item summary:hover{
  color:var(--color-primary);
}
.faq-item summary::after{
  content:"+";
  display:grid;
  place-items:center;
  width:26px;height:26px;
  border:1px solid var(--color-line);
  border-radius:50%;
  color:var(--color-primary);
  font-size:1.25rem;
  line-height:1;
  flex:0 0 auto;
  transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.faq-item[open] summary{
  font-weight:650;
  padding-left:4px;
}
.faq-item[open] summary::after{
  transform:rotate(45deg);
  background:var(--color-primary);
  border-color:var(--color-primary);
  color:var(--color-white);
}
.faq-answer{
  padding:2px 40px 28px 8px;
  color:var(--color-text-2);
}
.faq-answer p{
  margin:0;
  font-size:.9375rem;
}
.faq-item summary:focus-visible{
  outline:2px solid var(--color-primary);
  outline-offset:4px;
  border-radius:6px;
}

.cta-block{
  padding-top:0;
}
.cta-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  background:
    radial-gradient(700px 300px at 85% 20%,rgba(191,213,107,.16),transparent 70%),
    linear-gradient(130deg,var(--color-primary) 0%,var(--color-forest) 100%);
  border-radius:26px;
  padding:52px 56px;
  color:var(--color-white);
  position:relative;
  overflow:hidden;
}
.cta-card::before{
  content:"";
  position:absolute;
  left:-40px;bottom:-60px;
  width:220px;height:220px;
  border-radius:50%;
  border:44px solid rgba(255,255,255,.04);
}
.cta-card h2{
  color:#fff;
  margin-bottom:12px;
}
.cta-card p{
  color:rgba(255,255,255,.76);
  max-width:640px;
  margin-top:0;
}
.cta-card .btn{
  position:relative;
  z-index:2;
  white-space:nowrap;
}

.site-footer{
  background:var(--color-forest);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  margin-top:0;
}
.footer-main{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:48px;
  padding-bottom:44px;
}
.footer-brand h3,.footer-brand p{
  margin-top:18px;
}
.footer-brand .brand{
  color:#fff;
  margin-top:0;
}
.footer-brand p{
  font-size:.875rem;
  line-height:1.8;
  color:rgba(255,255,255,.6);
  max-width:300px;
}
.footer-block h4{
  color:#fff;
  font-size:.9375rem;
  font-weight:600;
  margin-bottom:18px;
}
.footer-links{
  display:grid;
  gap:12px;
}
.footer-links a{
  display:inline-block;
  font-size:.875rem;
  color:rgba(255,255,255,.66);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{
  color:var(--color-lime);
  padding-left:4px;
}
.footer-contact p{
  font-size:.875rem;
  color:rgba(255,255,255,.6);
  margin-bottom:10px;
}
.footer-contact a{
  color:rgba(255,255,255,.85);
  transition:color .2s ease;
}
.footer-contact a:hover{
  color:var(--color-lime);
}
.footer-sub{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding:22px 0;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:.8125rem;
  color:rgba(255,255,255,.46);
}
.footer-sub a{
  color:rgba(255,255,255,.72);
}
.footer-sub a:hover{
  color:var(--color-lime);
}
.footer-sub .brand-mark{
  display:inline-grid;
  margin-right:4px;
  vertical-align:-6px;
  width:20px;height:20px;
}

@media (min-width:1200px){
  .header-search{
    right:auto;
    left:auto;
  }
}
@media (max-width:1200px){
  .site-nav{
    gap:22px;
  }
  .cta-nav{
    display:none;
  }
  .hero-anchors{
    gap:8px;
  }
  .wide-card-body{
    padding:28px;
  }
}
@media (max-width:991px){
  .container{
    padding-inline:24px;
  }
  .section{
    --space-section:64px;
  }
  .site-nav{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    width:min(360px,88vw);
    flex-direction:column;
    align-items:flex-start;
    gap:6px;
    background:rgba(250,249,245,.97);
    -webkit-backdrop-filter:blur(20px);
    backdrop-filter:blur(20px);
    border-left:1px solid rgba(0,0,0,.08);
    padding:96px 32px 40px;
    z-index:110;
    transform:translateX(102%);
    transition:transform .32s ease;
    overflow-y:auto;
  }
  body.nav-open .site-nav{
    transform:translateX(0);
  }
  .site-nav .nav-link{
    width:100%;
    color:var(--color-text);
    font-size:1.25rem;
    font-weight:600;
    padding:12px 0;
  }
  .site-nav .nav-link::after{
    background:var(--color-primary);
    bottom:6px;
  }
  .site-nav .nav-link.is-active{
    color:var(--color-primary);
  }
  .site-nav .nav-link.is-active::after{
    opacity:1;
  }
  .site-nav .btn{
    margin-top:20px;
  }
  .menu-toggle{
    display:inline-flex;
  }
  .menu-overlay{
    position:fixed;
    inset:0;
    background:rgba(12,28,21,.42);
    opacity:0;
    visibility:hidden;
    z-index:105;
    transition:opacity .3s ease,visibility .3s ease;
  }
  body.nav-open .menu-overlay{
    opacity:1;
    visibility:visible;
  }
  .header-search{
    width:min(340px,82vw);
  }
  .overview-shell{
    grid-template-columns:1fr;
  }
  .intro-card{
    padding:32px;
  }
  .wide-card{
    grid-template-columns:1fr;
  }
  .wide-card-figure{
    min-height:260px;
  }
  .process-shell{
    grid-template-columns:repeat(2,1fr);
    gap:20px;
  }
  .cta-card{
    padding:42px 34px;
    flex-direction:column;
    align-items:flex-start;
  }
  .footer-main{
    grid-template-columns:1fr 1fr;
    gap:36px 28px;
  }
  .footer-brand{
    grid-column:1 / -1;
  }
}
@media (max-width:767px){
  .container{
    padding-inline:16px;
  }
  .section{
    --space-section:56px;
  }
  .nav-inner{
    min-height:64px;
  }
  .page-hero{
    padding:118px 0 72px;
  }
  .page-hero h1{
    font-size:clamp(1.85rem,6.8vw,2.6rem);
  }
  .hero-desc{
    font-size:1rem;
  }
  .hero-actions .btn{
    width:100%;
  }
  .hero-anchors{
    gap:8px;
  }
  .anchor-pill{
    padding:8px 12px;
  }
  .mini-card-grid{
    grid-template-columns:1fr;
  }
  .mini-card{
    padding:22px;
  }
  .wide-card-figure{
    min-height:200px;
  }
  .wide-card-body{
    padding:24px;
  }
  .process-shell{
    grid-template-columns:1fr;
  }
  .cta-card{
    padding:30px 22px;
    border-radius:20px;
  }
  .cta-card .btn{
    width:100%;
  }
  .faq-answer{
    padding-left:8px;
    padding-right:20px;
  }
  .footer-main{
    grid-template-columns:1fr;
    padding-bottom:30px;
  }
  .footer-brand{
    grid-column:auto;
  }
  .footer-sub{
    flex-direction:column;
    align-items:flex-start;
  }
}
@media (prefers-reduced-motion:reduce){
  *{
    animation:none !important;
    transition:none !important;
  }
  html{
    scroll-behavior:auto;
  }
}

/* roulang page: article */
:root {
  --color-primary: #0A6B42;
  --color-primary-hover: #075233;
  --color-forest: #0C2821;
  --color-bg: #F6F4EE;
  --color-surface: #FFFFFF;
  --color-accent: #B79C68;
  --color-lime: #BFD56B;
  --color-text: #1B2B25;
  --color-text-2: #596A62;
  --color-line: #E5E2DA;
  --color-danger: #C0503E;
  --color-success: #2F8F5B;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-sm: 0 6px 24px rgba(18,44,36,.06);
  --shadow-lg: 0 24px 48px rgba(18,44,36,.10);
  --font-sans: system-ui, -apple-system, "PingFang SC", "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-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

body.no-scroll {
  overflow: hidden;
}

body.menu-open .site-header {
  background: rgba(250, 249, 245, .96);
  color: var(--color-text);
}

body.menu-open .brand-text,
body.menu-open .nav-burger {
  color: var(--color-text);
}

body.menu-open .site-header .header-search-btn {
  color: var(--color-text);
}

ul, ol {
  list-style: none;
}

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

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

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

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

.container {
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: 32px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 14px 0;
  background: rgba(255, 255, 255, .10);
  border-bottom: 1px solid rgba(255, 255, 255, .15);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background .35s ease, padding .35s ease, box-shadow .35s ease, border-color .35s ease;
}

.site-header.is-scrolled {
  background: rgba(250, 249, 245, .90);
  border-bottom-color: rgba(0, 0, 0, .08);
  box-shadow: 0 12px 36px rgba(12, 40, 33, .08);
  padding: 8px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 58px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  transition: color .3s ease;
}

.site-header.is-scrolled .brand {
  color: var(--color-primary);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: var(--color-accent);
}

.brand-mark svg {
  width: 32px;
  height: 32px;
}

.brand-text {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .01em;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  position: relative;
  color: rgba(255, 255, 255, .88);
  font-size: .95rem;
  font-weight: 500;
  padding: 12px 0;
  transition: color .25s ease;
}

.site-header.is-scrolled .nav-link {
  color: var(--color-text);
}

.site-header.is-scrolled .nav-link:hover,
.site-header.is-scrolled .nav-link.is-active {
  color: var(--color-primary);
}

.nav-link:hover {
  color: #ffffff;
}

.nav-link.is-active {
  color: #ffffff;
}

.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 6px;
  width: 6px;
  height: 6px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: var(--color-lime);
}

.site-header.is-scrolled .nav-link.is-active::after {
  background: var(--color-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: #ffffff;
  transition: background .25s ease, color .25s ease, transform .2s ease;
}

.site-header.is-scrolled .icon-btn {
  color: var(--color-text);
}

.icon-btn:hover {
  background: rgba(255, 255, 255, .14);
}

.site-header.is-scrolled .icon-btn:hover {
  background: rgba(10, 107, 66, .08);
}

.icon-btn svg {
  width: 19px;
  height: 19px;
}

.header-search {
  position: relative;
}

.search-drop {
  position: absolute;
  right: 0;
  top: calc(100% + 12px);
  width: 0;
  max-width: 280px;
  opacity: 0;
  visibility: hidden;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  transition: width .3s ease, opacity .25s ease, visibility .25s ease;
}

.search-drop.is-open {
  width: 280px;
  opacity: 1;
  visibility: visible;
}

.search-drop form {
  display: flex;
  align-items: center;
  padding: 6px 8px;
}

.search-drop input {
  flex: 1;
  min-width: 0;
  height: 38px;
  padding: 0 10px;
  background: transparent;
  color: var(--color-text);
  font-size: .9rem;
}

.search-drop button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--color-primary);
  color: #ffffff;
  transition: background .25s ease;
}

.search-drop button:hover {
  background: var(--color-primary-hover);
}

.search-drop svg {
  width: 16px;
  height: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  line-height: 1;
  transition: background .25s ease, color .25s ease, border-color .25s ease, transform .2s ease, box-shadow .25s ease;
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  border: 1px solid var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: 0 12px 24px rgba(10, 107, 66, .18);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid rgba(10, 107, 66, .35);
}

.btn-outline:hover {
  background: rgba(10, 107, 66, .06);
  border-color: var(--color-primary);
}

.btn-outline:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.btn-outline:active {
  transform: translateY(1px);
}

.header-cta {
  min-height: 42px;
  padding: 10px 20px;
  font-size: .88rem;
}

.nav-burger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: #ffffff;
  border-radius: 12px;
}

body.menu-open .nav-burger.is-open {
  color: var(--color-primary);
}

.nav-burger .burger-x {
  display: none;
}

.nav-burger.is-open .burger-line {
  display: none;
}

.nav-burger.is-open .burger-x {
  display: block;
}

.nav-burger svg {
  width: 22px;
  height: 22px;
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 950;
  background: rgba(250, 249, 245, .98);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  gap: 8px;
  padding: 110px 24px 36px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .3s ease, visibility .3s ease;
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-menu a {
  display: flex;
  align-items: center;
  min-height: 52px;
  padding: 8px 14px;
  border-radius: 14px;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
  transition: background .2s ease, color .2s ease;
}

.mobile-menu a:hover {
  background: rgba(10, 107, 66, .08);
}

.mobile-menu a.is-active {
  color: var(--color-primary);
  background: rgba(10, 107, 66, .07);
}

.mobile-menu .btn {
  margin-top: 14px;
}

.article-hero {
  position: relative;
  min-height: 430px;
  padding: 170px 0 84px;
  background: var(--color-forest);
  color: #ffffff;
  overflow: hidden;
}

.article-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-3.webp");
  background-position: center;
  background-size: cover;
  opacity: .4;
}

.article-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(98deg, var(--color-forest) 0%, rgba(12,40,33,.82) 52%, rgba(10,107,66,.55) 100%), linear-gradient(180deg, rgba(12,40,33,.2) 0%, rgba(12,40,33,.65) 100%);
}

.article-hero-content {
  position: relative;
  z-index: 3;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  font-size: .875rem;
  color: rgba(255, 255, 255, .72);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, .82);
  transition: color .2s ease;
}

.breadcrumb a:hover {
  color: #ffffff;
}

.breadcrumb .breadcrumb-sep {
  opacity: .45;
}

.breadcrumb .breadcrumb-current {
  max-width: 18em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: rgba(255, 255, 255, .78);
}

.article-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--color-lime);
  font-size: .8125rem;
  letter-spacing: .06em;
}

.article-hero h1 {
  max-width: 20em;
  font-size: clamp(1.8rem, 3.8vw, 3rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: .01em;
  margin-bottom: 18px;
}

.article-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  color: rgba(255, 255, 255, .78);
  font-size: .9rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(191, 213, 107, .14);
  border: 1px solid rgba(191, 213, 107, .35);
  color: #E6F2C9;
  font-size: .8rem;
  font-weight: 500;
}

.article-hero-meta time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-hero-meta svg {
  width: 15px;
  height: 15px;
  opacity: .75;
}

.article-section {
  padding: 64px 0 72px;
  background: var(--color-bg);
}

.article-paper {
  max-width: 860px;
  margin-inline: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: clamp(24px, 5vw, 52px);
}

.article-body {
  font-size: .98rem;
  line-height: 1.85;
  color: var(--color-text);
  overflow-wrap: break-word;
}

.article-body > * + * {
  margin-top: 1em;
}

.article-body p {
  margin: 1.2em 0;
}

.article-body strong {
  font-weight: 700;
  color: var(--color-text);
}

.article-body h2 {
  font-size: 1.65rem;
  font-weight: 650;
  line-height: 1.4;
  margin: 2.1rem 0 1rem;
}

.article-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 1.8rem 0 .9rem;
}

.article-body h4 {
  font-size: 1.05rem;
  font-weight: 650;
  margin: 1.4rem 0 .65rem;
}

.article-body ul,
.article-body ol {
  margin: 1.3rem 0;
  padding-left: 1.4rem;
}

.article-body ul {
  list-style: disc;
}

.article-body ol {
  list-style: decimal;
}

.article-body li {
  margin: .55em 0;
  padding-left: .25em;
}

.article-body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(10, 107, 66, .35);
  transition: text-decoration-color .2s ease;
}

.article-body a:hover {
  text-decoration-color: var(--color-primary);
}

.article-body blockquote {
  margin: 1.8rem 0;
  padding: 6px 0 6px 20px;
  border-left: 4px solid var(--color-accent);
  color: var(--color-text-2);
  font-size: 1rem;
  background: transparent;
}

.article-body blockquote p {
  margin: 0;
}

.article-body img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  box-shadow: 0 10px 28px rgba(18, 44, 36, .10);
  margin: 1.8rem 0;
}

.article-body hr {
  margin: 2.5rem 0;
  border: none;
  border-top: 1px solid var(--color-line);
}

.article-body table {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  white-space: nowrap;
  border-collapse: collapse;
  margin: 1.8rem 0;
  font-size: .92rem;
}

.article-body th,
.article-body td {
  padding: 12px 14px;
  border: 1px solid var(--color-line);
  text-align: left;
}

.article-body th {
  background: rgba(10, 107, 66, .06);
  color: var(--color-text);
  font-weight: 650;
}

.article-body code {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: .88em;
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(10, 107, 66, .07);
  color: #0A5B38;
}

.article-body pre {
  overflow-x: auto;
  background: var(--color-forest);
  color: #DFF0E8;
  padding: 20px;
  border-radius: 14px;
  margin: 1.6rem 0;
}

.article-body pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.article-notfound {
  text-align: center;
  padding: 34px 10px 16px;
}

.article-notfound .empty-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: rgba(10, 107, 66, .07);
  color: var(--color-primary);
  margin-bottom: 18px;
}

.article-notfound .empty-mark svg {
  width: 32px;
  height: 32px;
}

.article-notfound h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.article-notfound p {
  max-width: 420px;
  margin: 0 auto 18px;
  color: var(--color-text-2);
}

.article-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 38px;
  padding-top: 26px;
  border-top: 1px solid var(--color-line);
}

.text-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
  font-weight: 600;
}

.text-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  height: 2px;
  width: 0;
  background: var(--color-primary);
  transition: width .25s ease;
}

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

.extend-section {
  background: var(--color-surface);
  padding: 80px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 34px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-primary);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .06em;
  margin-bottom: 8px;
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--color-accent);
}

.section-head h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 650;
  line-height: 1.35;
}

.extend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.extend-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.extend-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(10, 107, 66, .22);
}

.extend-card .card-media {
  position: relative;
  overflow: hidden;
}

.extend-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform .4s ease;
}

.extend-card:hover img {
  transform: scale(1.03);
}

.extend-card .card-body {
  flex: 1;
  padding: 24px 26px 28px;
  display: flex;
  flex-direction: column;
}

.extend-card .tag {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 12px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(10, 107, 66, .10);
  color: var(--color-primary);
  font-size: .78rem;
  font-weight: 600;
}

.extend-card h3 {
  font-size: 1.18rem;
  font-weight: 650;
  line-height: 1.4;
  margin-bottom: 8px;
  color: var(--color-text);
}

.extend-card p {
  color: var(--color-text-2);
  font-size: .92rem;
  line-height: 1.7;
  margin-bottom: 14px;
}

.extend-card .card-link {
  margin-top: auto;
  font-size: .9rem;
  font-weight: 600;
}

.contact-section {
  background: var(--color-bg);
  padding: 24px 0 84px;
}

.contact-band {
  background: linear-gradient(130deg, var(--color-forest) 0%, rgba(10, 107, 66, .94) 100%);
  color: #ffffff;
  border-radius: 24px;
  padding: clamp(26px, 4.5vw, 56px);
  box-shadow: 0 28px 64px rgba(12, 40, 33, .16);
  overflow: hidden;
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.contact-copy h2 {
  font-size: clamp(1.5rem, 2.7vw, 2.2rem);
  font-weight: 650;
  line-height: 1.35;
  margin-bottom: 14px;
}

.contact-copy p.content {
  color: rgba(255, 255, 255, .76);
  margin-bottom: 22px;
}

.contact-list {
  display: grid;
  gap: 14px;
}

.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: rgba(255, 255, 255, .85);
  font-size: .95rem;
}

.contact-list svg {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  color: var(--color-lime);
}

.contact-list a {
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(255, 255, 255, .35);
  transition: text-decoration-color .2s ease;
}

.contact-list a:hover {
  text-decoration-color: #ffffff;
}

.contact-card {
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: 20px;
  padding: clamp(22px, 3.5vw, 34px);
  box-shadow: 0 24px 48px rgba(0, 0, 0, .18);
}

.contact-card h3 {
  font-size: 1.2rem;
  font-weight: 650;
  margin-bottom: 6px;
}

.contact-card > p {
  color: var(--color-text-2);
  font-size: .9rem;
  margin-bottom: 20px;
}

.form-field {
  margin-bottom: 16px;
}

.form-field label {
  display: block;
  margin-bottom: 6px;
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-field input,
.form-field textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: #FCFBF8;
  padding: 10px 14px;
  font-size: .92rem;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.form-field textarea {
  min-height: 100px;
  resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(10, 107, 66, .12);
  background: #ffffff;
}

.form-tip {
  font-size: .8rem;
  color: var(--color-text-2);
  margin-bottom: 16px;
}

.contact-card .btn {
  width: 100%;
}

.form-status {
  display: none;
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  background: rgba(47, 143, 91, .10);
  color: var(--color-success);
  font-size: .875rem;
}

.form-status.show {
  display: block;
}

.site-footer {
  background: var(--color-forest);
  color: #B9CFC7;
  padding: 64px 0 30px;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.6fr .7fr 1fr 1.1fr;
  gap: 40px;
  padding-bottom: 42px;
}

.footer-brand .brand {
  color: #ffffff;
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: .9rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, .68);
  max-width: 32em;
}

.footer-block h4 {
  color: #ffffff;
  font-size: .98rem;
  font-weight: 650;
  margin-bottom: 16px;
}

.footer-links {
  display: grid;
  gap: 10px;
  font-size: .9rem;
}

.footer-links a {
  color: rgba(255, 255, 255, .7);
  transition: color .2s ease, padding-left .2s ease;
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-contact {
  display: grid;
  gap: 12px;
  font-size: .9rem;
  color: rgba(255, 255, 255, .7);
}

.footer-contact a {
  color: rgba(255, 255, 255, .82);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(255, 255, 255, .25);
  transition: text-decoration-color .2s ease;
}

.footer-contact a:hover {
  text-decoration-color: #ffffff;
}

.footer-sub {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 28px;
  font-size: .8125rem;
  color: rgba(255, 255, 255, .45);
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding-top: 22px;
}

.footer-sub a {
  color: rgba(255, 255, 255, .55);
  transition: color .2s ease;
}

.footer-sub a:hover {
  color: #ffffff;
}

@media (max-width: 1200px) {
  .footer-main {
    grid-template-columns: 1.3fr .8fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 992px) {
  .container {
    padding-inline: 24px;
  }

  .site-nav,
  .header-cta {
    display: none;
  }

  .nav-burger {
    display: inline-flex;
  }

  .article-hero {
    padding-top: 150px;
  }

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

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

  .footer-main {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .container {
    padding-inline: 16px;
  }

  .site-header {
    padding: 10px 0;
  }

  .brand-text {
    font-size: .98rem;
  }

  .article-hero {
    min-height: 380px;
    padding: 130px 0 54px;
  }

  .article-hero h1 {
    font-size: clamp(1.6rem, 7vw, 2.4rem);
  }

  .article-section {
    padding: 44px 0 56px;
  }

  .article-paper {
    border-radius: 16px;
    padding: 22px 18px;
  }

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

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

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-section {
    padding: 0 0 48px;
  }

  .contact-band {
    border-radius: 18px;
  }

  .footer-sub {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .brand-text {
    max-width: 6.8em;
    white-space: normal;
    line-height: 1.3;
  }

  .article-hero {
    padding-top: 116px;
  }

  .article-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .contact-list,
  .contact-card {
    padding: 0;
  }

  .contact-band {
    padding: 24px;
  }

  .search-drop.is-open {
    width: 260px;
  }
}

/* roulang page: category2 */
:root {
  --color-primary: #0A6B42;
  --color-primary-hover: #075233;
  --color-forest: #0C2821;
  --color-forest-soft: #12362D;
  --color-bg: #F6F4EE;
  --color-surface: #FFFFFF;
  --color-accent: #B79C68;
  --color-lime: #BFD56B;
  --color-text: #1B2B25;
  --color-text-2: #596A62;
  --color-line: #E5E2DA;
  --color-danger: #C0503E;
  --color-success: #2F8F5B;
  --radius-xl: 24px;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 6px 24px rgba(18, 44, 36, 0.04);
  --shadow-card-hover: 0 24px 48px rgba(18, 44, 36, 0.1);
  --shadow-drawer: 0 18px 48px rgba(12, 40, 33, 0.24);
  --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "sans-serif";
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 116px;
}

body {
  font-family: var(--font-stack);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

h1, h2, h3, h4 {
  line-height: 1.35;
  font-weight: 700;
  color: var(--color-text);
}

p, li {
  color: inherit;
}

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

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

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

button {
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 clamp(16px, 3.2vw, 32px);
}

/* ============= Header ============= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(12, 40, 33, 0.22);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  background: rgba(250, 249, 245, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 10px 32px rgba(18, 44, 36, 0.05);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 86px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  z-index: 2;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 14px;
  transition: all 0.3s ease;
}

.brand-mark svg {
  width: 24px;
  height: 24px;
}

.brand-text {
  font-size: 1.14rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #FFFFFF;
  white-space: nowrap;
  transition: color 0.3s ease;
}

.site-header.scrolled .brand-mark {
  color: var(--color-primary);
  background: transparent;
  border-color: rgba(10, 107, 66, 0.2);
}

.site-header.scrolled .brand-text {
  color: var(--color-primary);
}

.site-nav {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  height: 86px;
  gap: 30px;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1;
  padding: 12px 0;
  transition: color 0.25s ease;
}

.nav-link:hover {
  color: #FFFFFF;
}

.nav-link.is-active {
  color: #FFFFFF;
}

.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-lime);
}

.site-header.scrolled .nav-link {
  color: var(--color-text-2);
}

.site-header.scrolled .nav-link:hover {
  color: var(--color-primary);
}

.site-header.scrolled .nav-link.is-active {
  color: var(--color-primary);
}

.site-header.scrolled .nav-link.is-active::after {
  background: var(--color-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2;
}

.search-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-pill);
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.18);
  transition: all 0.25s ease;
}

.search-toggle svg {
  width: 18px;
  height: 18px;
}

.site-header.scrolled .search-toggle {
  color: var(--color-text);
  background: rgba(12, 40, 33, 0.04);
  border-color: rgba(12, 40, 33, 0.08);
}

.search-toggle:hover {
  background: rgba(255, 255, 255, 0.24);
}

.search-toggle:focus-visible,
.nav-cta:focus-visible,
.nav-burger:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 20px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 8px 22px rgba(10, 107, 66, 0.3);
  transition: all 0.25s ease;
}

.nav-cta:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
}

.nav-cta:active {
  transform: translateY(1px);
}

.header-search-panel {
  position: absolute;
  top: calc(100% - 4px);
  right: 0;
  width: min(430px, calc(100vw - 32px));
  padding: 12px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(10, 107, 66, 0.12);
  border-radius: 16px;
  box-shadow: var(--shadow-card-hover);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.25s ease;
  z-index: 10;
}

.site-header.search-open .header-search-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header-search-form {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-search-form svg {
  width: 18px;
  height: 18px;
  color: var(--color-text-2);
  flex-shrink: 0;
}

.header-search-form input {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  font-size: 0.95rem;
  color: var(--color-text);
}

.header-search-form input:focus {
  outline: none;
}

.header-search-form button {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background 0.25s ease;
}

.header-search-form button:hover {
  background: var(--color-primary-hover);
}

.nav-burger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.site-header.scrolled .nav-burger {
  background: rgba(12, 40, 33, 0.05);
  border-color: rgba(12, 40, 33, 0.1);
}

.nav-burger span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 3px 0;
  border-radius: 2px;
  background: #FFFFFF;
  transition: all 0.3s ease;
}

.site-header.scrolled .nav-burger span {
  background: var(--color-text);
}

/* ============= Buttons ============= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.25s ease;
}

.btn-primary {
  background: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 10px 26px rgba(10, 107, 66, 0.22);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-3px);
  box-shadow: 0 16px 34px rgba(10, 107, 66, 0.26);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.42);
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.08);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-dark-outline {
  border: 1px solid rgba(10, 107, 66, 0.35);
  color: var(--color-primary);
  background: transparent;
}

.btn-dark-outline:hover {
  background: rgba(10, 107, 66, 0.06);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.92rem;
  transition: color 0.25s ease;
}

.text-link .arrow {
  display: inline-block;
  transition: transform 0.25s ease;
}

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

.text-link:hover .arrow {
  transform: translateX(4px);
}

.text-link-dark {
  color: #FFFFFF;
}

.text-link-dark:hover {
  color: rgba(255, 255, 255, 0.8);
}

/* ============= Page hero ============= */
.page-hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  padding: 170px 0 56px;
  color: #FFFFFF;
  background:
    linear-gradient(100deg, rgba(12, 40, 33, 0.94), rgba(10, 107, 66, 0.74) 46%, rgba(20, 120, 82, 0.42)),
    url("/assets/images/backpic/back-2.png") center / cover no-repeat;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 120px;
  background: linear-gradient(180deg, rgba(12, 40, 33, 0), rgba(12, 40, 33, 0.16));
  pointer-events: none;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  margin-bottom: 26px;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.76);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.76);
  transition: color 0.25s ease;
}

.breadcrumb a:hover {
  color: #FFFFFF;
}

.breadcrumb .sep {
  color: rgba(255, 255, 255, 0.5);
  margin: 0 6px;
}

.page-hero-content {
  max-width: 820px;
  position: relative;
  z-index: 2;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--color-lime);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-kicker::before {
  content: "";
  width: 30px;
  height: 1px;
  background: var(--color-lime);
  opacity: 0.8;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 4.6vw, 3.6rem);
  line-height: 1.15;
  color: #FFFFFF;
  letter-spacing: 0.01em;
  margin-bottom: 20px;
}

.hero-lead {
  max-width: 700px;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 30px;
}

.hero-anchor-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-anchor-list a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.95);
  font-size: 0.9rem;
  backdrop-filter: blur(8px);
  transition: all 0.25s ease;
}

.hero-anchor-list a:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}

/* ============= Sections ============= */
.section {
  padding: 92px 0;
}

.section-sm {
  padding: 64px 0;
}

.section-head {
  margin-bottom: 40px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-tag::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--color-primary);
}

.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.3;
  max-width: 860px;
}

.section-head .section-desc {
  margin-top: 14px;
  max-width: 760px;
  color: var(--color-text-2);
  font-size: 1rem;
}

/* ============= Intro overview ============= */
.intro-split {
  display: grid;
  grid-template-columns: minmax(260px, 0.92fr) 1.1fr;
  gap: clamp(28px, 5vw, 68px);
  align-items: center;
}

.intro-media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card-hover);
}

.intro-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(10, 107, 66, 0.08), rgba(12, 40, 33, 0.28));
  pointer-events: none;
}

.intro-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.intro-media-badge {
  position: absolute;
  left: 18px;
  bottom: 18px;
  z-index: 2;
  padding: 10px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  color: var(--color-text);
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(12, 40, 33, 0.18);
}

.intro-copy h3 {
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  margin-bottom: 16px;
  color: var(--color-text);
}

.intro-copy p {
  font-size: 1rem;
  color: var(--color-text-2);
  margin-bottom: 14px;
}

.intro-copy .text-link {
  margin-top: 8px;
}

/* ============= Feature split ============= */
.feature-section {
  padding-top: 56px;
}

.feature-wrap {
  display: grid;
  grid-template-columns: minmax(260px, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 5vw, 68px);
  align-items: start;
}

.feature-intro {
  position: sticky;
  top: 136px;
}

.feature-intro .section-tag {
  margin-bottom: 14px;
}

.feature-intro h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  line-height: 1.3;
  margin-bottom: 18px;
}

.feature-intro p {
  color: var(--color-text-2);
  margin-bottom: 22px;
}

.feature-minis {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.feature-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 28px 22px 24px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.feature-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 0;
  background: var(--color-primary);
  transition: height 0.35s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(10, 107, 66, 0.16);
}

.feature-card:hover::before {
  height: 100%;
}

.feature-card-num {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.feature-card h3 {
  font-size: 1.04rem;
  margin-bottom: 8px;
  color: var(--color-text);
}

.feature-card p {
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--color-text-2);
}

/* ============= Stats band ============= */
.stats-band {
  background: var(--color-forest);
  color: #FFFFFF;
}

.stats-band .section-tag::before {
  background: var(--color-lime);
}

.stats-band .section-tag {
  color: var(--color-lime);
}

.stats-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 44px;
}

.stats-head h2 {
  color: #FFFFFF;
}

.stats-head p {
  max-width: 520px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
}

.stat-item {
  padding: 30px 26px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.stat-item:last-child {
  border-right: none;
}

.stat-num {
  display: block;
  font-size: clamp(2.3rem, 4vw, 3.2rem);
  line-height: 1.15;
  font-weight: 700;
  color: var(--color-lime);
}

.stat-num small {
  font-size: 1rem;
  font-weight: 600;
  margin-left: 6px;
  color: rgba(255, 255, 255, 0.72);
}

.stat-label {
  display: block;
  margin-top: 10px;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.72);
}

/* ============= Club support ============= */
.club-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.club-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}

.club-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.club-card-media {
  position: relative;
  background: var(--color-forest-soft);
}

.club-card-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: opacity 0.3s ease;
}

.club-card-content {
  padding: 30px;
}

.club-card-tag {
  display: inline-block;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: rgba(10, 107, 66, 0.09);
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.club-card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.club-card p {
  color: var(--color-text-2);
  font-size: 0.95rem;
}

.club-card-list {
  margin-top: 16px;
  border-top: 1px solid var(--color-line);
}

.club-card-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 0.92rem;
  color: var(--color-text);
}

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

.club-card-list li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

/* ============= Process ============= */
.process-section {
  background: var(--color-surface);
}

.process-steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 30px;
}

.process-steps::before {
  content: "";
  position: absolute;
  top: 30px;
  left: 5%;
  width: 90%;
  height: 1px;
  background: var(--color-line);
}

.process-step {
  position: relative;
  padding: 10px 4px 0;
}

.process-dot {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: 0 0 0 6px var(--color-surface), 0 10px 26px rgba(10, 107, 66, 0.22);
}

.process-step h3 {
  font-size: 1.12rem;
  margin-bottom: 8px;
}

.process-step > p {
  color: var(--color-text-2);
  font-size: 0.92rem;
  margin-bottom: 12px;
}

.process-list {
  border-top: 1px solid var(--color-line);
}

.process-list li {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  padding: 9px 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 0.88rem;
  color: var(--color-text-2);
}

.process-list li::before {
  content: "·";
  color: var(--color-primary);
  font-weight: 700;
}

.process-step .btn-holder {
  margin-top: 14px;
}

/* ============= Guide CTA / resource ============= */
.guide-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
  padding: clamp(24px, 4vw, 46px);
  background:
    linear-gradient(120deg, rgba(12, 40, 33, 0.97), rgba(10, 107, 66, 0.9)),
    url("/assets/images/coverpic/cover-6.webp") center / cover no-repeat;
  border-radius: var(--radius-xl);
  color: #FFFFFF;
  box-shadow: var(--shadow-card-hover);
}

.guide-card h2 {
  color: #FFFFFF;
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  margin-bottom: 12px;
}

.guide-card p {
  max-width: 640px;
  color: rgba(255, 255, 255, 0.82);
}

/* ============= FAQ ============= */
.faq-faq {
  max-width: 860px;
  margin: 0 auto;
}

.faq-head {
  margin-bottom: 34px;
}

.faq-head h2 {
  max-width: none;
}

.faq-list {
  border-top: 1px solid var(--color-line);
}

.faq-item {
  border-bottom: 1px solid var(--color-line);
}

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
  cursor: pointer;
  color: var(--color-text);
  font-size: 1.02rem;
  font-weight: 500;
  transition: color 0.25s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  color: var(--color-primary);
}

.faq-item[open] summary {
  font-weight: 700;
  color: var(--color-primary);
}

.faq-icon {
  position: relative;
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  border: 1.5px solid rgba(10, 107, 66, 0.45);
  border-radius: 50%;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--color-primary);
  transition: background 0.3s ease;
}

.faq-icon::before {
  left: 7px;
  right: 7px;
  top: 12px;
  height: 1.5px;
}

.faq-icon::after {
  left: 12px;
  right: auto;
  top: 7px;
  bottom: 7px;
  width: 1.5px;
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 0 22px;
  color: var(--color-text-2);
  font-size: 0.96rem;
  max-width: 720px;
}

/* ============= Contact cta ============= */
.final-contact {
  padding-top: 0;
}

.contact-banner {
  background: linear-gradient(130deg, var(--color-bg), rgba(10, 107, 66, 0.1));
  border: 1px solid rgba(10, 107, 66, 0.12);
  border-radius: var(--radius-xl);
  padding: clamp(26px, 4vw, 50px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.contact-banner h2 {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  max-width: 640px;
}

.contact-banner p {
  color: var(--color-text-2);
  margin-top: 10px;
  max-width: 640px;
}

/* ============= Footer ============= */
.site-footer {
  background: var(--color-forest);
  color: rgba(236, 244, 238, 0.82);
  padding: 72px 0 28px;
  margin-top: 92px;
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(280px, 1.4fr) 0.8fr 0.9fr 1.1fr;
  gap: 44px;
  padding-bottom: 40px;
}

.footer-brand .brand {
  margin-bottom: 18px;
}

.footer-brand .brand-text {
  color: #fff;
}

.footer-brand p {
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(236, 244, 238, 0.72);
  max-width: 360px;
}

.footer-block h4 {
  color: #FFFFFF;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.footer-links {
  display: grid;
  gap: 11px;
}

.footer-links a,
.footer-contact a {
  color: rgba(236, 244, 238, 0.76);
  font-size: 0.92rem;
  transition: color 0.25s ease;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--color-lime);
}

.footer-contact p {
  font-size: 0.92rem;
  margin-bottom: 8px;
  color: rgba(236, 244, 238, 0.72);
}

.footer-sub {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.88rem;
  color: rgba(236, 244, 238, 0.62);
}

.footer-sub a {
  color: rgba(236, 244, 238, 0.8);
}

.footer-sub a:hover {
  color: var(--color-lime);
}

/* ============= Responsive ============= */
@media (max-width: 1200px) {
  .site-nav {
    gap: 22px;
  }
}

@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stat-item:nth-child(2) {
    border-right: none;
  }

  .stat-item:nth-child(1),
  .stat-item:nth-child(2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .process-steps {
    grid-template-columns: 1fr 1fr;
    gap: 40px 24px;
  }

  .process-steps::before {
    display: none;
  }
}

@media (max-width: 991px) {
  .site-nav {
    position: fixed;
    top: 78px;
    right: 12px;
    bottom: 12px;
    left: auto;
    transform: none;
    width: min(360px, calc(100vw - 24px));
    height: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 22px;
    border-radius: 22px;
    background: rgba(250, 249, 245, 0.97);
    border: 1px solid rgba(255, 255, 255, 0.35);
    box-shadow: var(--shadow-drawer);
    opacity: 0;
    visibility: hidden;
    transform: translateX(16px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
    overflow-y: auto;
  }

  .site-header.nav-open .site-nav {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
  }

  .nav-link,
  .site-header.scrolled .nav-link,
  .site-header .nav-link {
    width: 100%;
    color: var(--color-text);
    font-size: 1rem;
    font-weight: 500;
    padding: 13px 16px;
    border-radius: 12px;
  }

  .site-header .nav-link:hover,
  .site-header.scrolled .nav-link:hover {
    background: rgba(10, 107, 66, 0.06);
    color: var(--color-primary);
  }

  .site-header .nav-link.is-active,
  .site-header.scrolled .nav-link.is-active {
    background: rgba(10, 107, 66, 0.1);
    color: var(--color-primary);
  }

  .nav-link.is-active::after,
  .site-header.scrolled .nav-link.is-active::after {
    display: none;
  }

  .nav-burger {
    display: inline-flex;
  }

  .nav-cta {
    display: none;
  }

  .site-header.nav-open .nav-burger span:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
  }

  .site-header.nav-open .nav-burger span:nth-child(2) {
    opacity: 0;
  }

  .site-header.nav-open .nav-burger span:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
  }

  .header-search-panel {
    right: 12px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }

  .intro-split {
    grid-template-columns: 1fr;
  }

  .intro-copy h3 {
    margin-top: 8px;
  }

  .feature-wrap {
    grid-template-columns: 1fr;
  }

  .feature-intro {
    position: static;
  }

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

  .stat-item {
    padding: 22px 18px;
  }

  .stat-item:nth-child(3) {
    border-bottom: none;
  }

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

  .process-steps {
    grid-template-columns: 1fr;
  }

  .process-step {
    padding: 0;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 34px;
  }
}

@media (max-width: 520px) {
  .brand-text {
    font-size: 0.96rem;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .header-inner {
    height: 72px;
  }

  .header-search-panel {
    top: calc(100% + 6px);
  }

  .page-hero {
    padding-top: 140px;
    min-height: 500px;
  }

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

  .hero-anchor-list a {
    padding: 0 14px;
  }

  .feature-minis {
    grid-template-columns: 1fr;
  }

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

  .stat-item {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

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

  .club-card-content {
    padding: 24px;
  }

  .process-dot {
    width: 52px;
    height: 52px;
    font-size: 1.08rem;
  }

  .contact-banner {
    align-items: flex-start;
  }

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