/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --primary: #1F3A2E;
  --primary-dark: #162B22;
  --green-deeper: #11231B;
  --gold: #B08A5A;
  --gold-hover: #9C7747;
  --gold-light: #C9A66B;
  --bg: #FAF7F2;
  --bg-alt: #F0EBE3;
  --text-main: #1C1C1A;
  --text-sub: #5C5C58;
  --border-soft: rgba(31, 58, 46, 0.12);
  --white: #FFFFFF;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 3px rgba(28, 28, 26, 0.06);
  --shadow-md: 0 8px 24px rgba(28, 28, 26, 0.08);
  --shadow-lg: 0 12px 32px rgba(28, 28, 26, 0.12);
  --transition: all 0.25s ease;
  --font-cn: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --section-pad: 88px 0;
  --section-pad-mobile: 56px 0;
}

/* ========== Reset / Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-main);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }

/* ========== 排版 ========== */
h1, h2, h3, h4 { line-height: 1.3; letter-spacing: 0.01em; font-weight: 700; }
h1 { font-size: 42px; }
h2 { font-size: 32px; }
h3 { font-size: 20px; }
p { margin: 0; }
.text-sub { color: var(--text-sub); }
.section-lead { font-size: 17px; color: var(--text-sub); margin-top: 8px; max-width: 720px; }

/* ========== 布局 ========== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
section { padding: var(--section-pad); }
.section-head { margin-bottom: 40px; }
.section-head .tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.06em;
  background: rgba(176, 138, 90, 0.1);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}

/* ========== 导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(250, 247, 242, 0.85);
  -webkit-backdrop-filter: saturate(1.2) blur(12px);
  backdrop-filter: saturate(1.2) blur(12px);
  border-bottom: 1px solid var(--border-soft);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light);
  font-size: 16px;
  flex-shrink: 0;
  border: 1px solid rgba(201, 166, 107, 0.4);
}
.logo-text {
  font-weight: 700;
  font-size: 20px;
  color: var(--primary);
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.logo-sub {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--text-sub);
  letter-spacing: 0.08em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  position: relative;
  padding: 6px 0;
}
.nav-links a:hover {
  color: var(--primary);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: var(--transition);
}
.nav-links a:hover::after {
  width: 100%;
}
.nav-cta-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  transition: var(--transition);
  white-space: nowrap;
}
.btn-nav-cta:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.cta-badge-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--gold-light);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  padding: 2px 8px;
  min-width: 32px;
  height: 20px;
}
.btn-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border-soft);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 16px;
  cursor: pointer;
  transition: var(--transition);
}
.btn-icon:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.nav-burger {
  display: none;
  background: transparent;
  border: none;
  font-size: 22px;
  color: var(--primary);
  cursor: pointer;
  padding: 8px;
}

/* 移动抽屉菜单 */
.off-canvas {
  background: var(--primary-dark);
  color: #fff;
}
.off-canvas .menu a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.off-canvas .menu a:hover {
  color: var(--gold-light);
  background: rgba(255, 255, 255, 0.04);
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 15px 30px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1.3;
  white-space: nowrap;
}
.btn-gold {
  background: var(--gold);
  color: #fff;
}
.btn-gold:hover {
  background: var(--gold-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-gold .fa-arrow-right {
  transition: transform 0.25s ease;
}
.btn-gold:hover .fa-arrow-right {
  transform: translateX(4px);
}
.btn-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-white {
  background: #fff;
  color: var(--primary-dark);
}
.btn-white:hover {
  background: var(--gold-light);
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-block { width: 100%; }

/* ========== Hero ========== */
.hero {
  position: relative;
  background: linear-gradient(rgba(250, 247, 242, 0.92), rgba(250, 247, 242, 0.94)), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--border-soft);
  overflow: hidden;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.hero-tags .tag-pill {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  background: rgba(31, 58, 46, 0.07);
  border: 1px solid rgba(31, 58, 46, 0.1);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
}
.hero-title {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--primary-dark);
  margin-bottom: 16px;
  letter-spacing: 0.01em;
}
.hero-sub {
  font-size: 18px;
  color: var(--text-sub);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 28px;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 32px;
}
.hero-data {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-bottom: 24px;
}
.hero-data-item {
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-data-item .num {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}
.hero-data-item .label {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.3;
}
.hero-anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.anchor-num {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-main);
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.anchor-num span {
  color: var(--gold);
  font-weight: 700;
}
.anchor-num:hover {
  border-color: var(--gold);
  color: var(--primary);
  transform: translateY(-2px);
}

/* 白皮书 / 攻略信息卡 */
.whitepaper-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  position: relative;
  transition: var(--transition);
}
.whitepaper-card::after {
  content: "";
  display: block;
  height: 4px;
  background: var(--gold);
}
.whitepaper-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.wp-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
  box-shadow: var(--shadow-sm);
}
.wp-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.wp-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.wp-body {
  padding: 22px 24px 24px;
}
.wp-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.4;
  margin-bottom: 14px;
}
.wp-toc {
  border-left: 3px solid var(--gold);
  padding-left: 14px;
  margin-bottom: 18px;
}
.wp-toc p {
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 6px;
  line-height: 1.6;
}
.wp-toc p:last-child { margin-bottom: 0; }
.wp-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--border-soft);
  margin-bottom: 18px;
}
.wp-meta-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--text-sub);
}
.wp-meta-item i {
  color: var(--gold);
}

/* ========== 快速索引条 ========== */
.quick-index {
  background: var(--bg-alt);
  padding: 40px 0;
  border-bottom: 1px solid var(--border-soft);
}
.qi-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}
.qi-head .qi-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
}
.qi-head .qi-line {
  flex: 1;
  height: 1px;
  background: var(--border-soft);
}
.qi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.qi-card {
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 18px 18px 16px;
  transition: var(--transition);
  display: block;
}
.qi-card:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.qi-num {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-sub);
  margin-bottom: 8px;
  font-family: monospace;
  letter-spacing: 0.04em;
}
.qi-card:hover .qi-num {
  color: var(--gold);
}
.qi-card h3 {
  font-size: 16px;
  color: var(--primary);
  margin-bottom: 6px;
}
.qi-card p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-sub);
}

/* ========== 功能分组 ========== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.feature-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(31, 58, 46, 0.08);
  color: var(--primary);
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 16px;
  transition: var(--transition);
}
.feature-card:hover .feature-badge {
  background: rgba(176, 138, 90, 0.15);
  color: var(--gold);
}
.feature-card h3 {
  color: var(--primary-dark);
  margin-bottom: 12px;
}
.feature-list {
  margin-bottom: 18px;
}
.feature-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-main);
  margin-bottom: 9px;
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--gold-light);
  transform: rotate(45deg);
}
.feature-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.feature-link:hover {
  color: var(--gold-hover);
  gap: 10px;
}

/* ========== 使用场景 ========== */
.scene-section {
  background: var(--bg-alt);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.scene-card {
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 24px;
  border-left: 4px solid var(--primary);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.scene-card:hover {
  border-left-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.scene-tag {
  display: inline-block;
  background: rgba(176, 138, 90, 0.1);
  color: var(--gold-hover);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  margin-bottom: 12px;
  transition: var(--transition);
}
.scene-card:hover .scene-tag {
  border-color: var(--gold);
}
.scene-card h3 {
  font-size: 19px;
  color: var(--primary-dark);
  margin-bottom: 10px;
}
.scene-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 6px;
}
.scene-row i {
  color: var(--gold);
  width: 14px;
  text-align: center;
}
.scene-note {
  font-size: 14px;
  color: var(--text-main);
  border-top: 1px dashed var(--border-soft);
  margin-top: 12px;
  padding-top: 12px;
  line-height: 1.6;
}

/* ========== 成功案例 ========== */
.cases-section {
  background: var(--primary-dark);
  color: #fff;
}
.cases-section .section-head .tag {
  color: var(--gold-light);
  background: rgba(201, 166, 107, 0.12);
}
.cases-section .section-head h2 { color: #fff; }
.cases-section .section-lead { color: rgba(255, 255, 255, 0.7); }
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.case-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
}
.case-card:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(201, 166, 107, 0.5);
  transform: translateY(-4px);
}
.case-user {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  background: var(--gold);
  color: var(--primary-dark);
  flex-shrink: 0;
}
.case-user-info .name { font-size: 15px; font-weight: 600; }
.case-user-info .src {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.1);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  display: inline-block;
  margin-top: 2px;
}
.case-stars {
  color: var(--gold-light);
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.case-text {
  color: rgba(255, 255, 255, 0.88);
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 16px;
}
.case-verified {
  display: inline-block;
  border: 1px solid rgba(201, 166, 107, 0.4);
  color: var(--gold-light);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

/* ========== 价格 / 优惠阶梯 ========== */
.pricing-section { background: var(--bg); }
.price-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}
.price-step {
  background: var(--bg-alt);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 18px 20px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  transition: var(--transition);
}
.price-step:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: var(--gold);
}
.step-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
}
.step-info h4 { font-size: 15px; color: var(--primary-dark); margin-bottom: 3px; }
.step-info p { font-size: 13px; color: var(--text-sub); line-height: 1.5; }

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: center;
}
.price-card {
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
}
.price-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.price-card.featured {
  background: var(--primary);
  color: #fff;
  padding: 36px 28px;
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.02);
  z-index: 1;
}
.price-card.featured:hover {
  transform: scale(1.02) translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.featured-ribbon {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--gold-light);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
}
.price-name { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.price-card.featured .price-name { color: var(--gold-light); }
.price-amount {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.1;
  margin-bottom: 4px;
}
.price-card.featured .price-amount { color: #fff; }
.price-amount .unit { font-size: 14px; font-weight: 500; color: var(--text-sub); margin-left: 4px; }
.price-card.featured .price-amount .unit { color: rgba(255,255,255,0.6); }
.price-desc { font-size: 13px; color: var(--text-sub); margin-bottom: 18px; }
.price-card.featured .price-desc { color: rgba(255,255,255,0.7); }
.price-list { margin-bottom: 20px; }
.price-list li {
  position: relative;
  padding-left: 24px;
  font-size: 14px;
  color: var(--text-main);
  margin-bottom: 8px;
  line-height: 1.6;
}
.price-card.featured .price-list li { color: rgba(255,255,255,0.92); }
.price-list li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 0;
  color: var(--gold);
  font-size: 13px;
}
.btn-price {
  width: 100%;
  border: 1.5px solid var(--primary);
  background: transparent;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}
.btn-price:hover {
  background: var(--primary);
  color: #fff;
}
.btn-price-featured {
  width: 100%;
  background: var(--gold);
  color: #fff;
  border: none;
  font-size: 15px;
  font-weight: 700;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}
.btn-price-featured:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* ========== 保障条 ========== */
.guarantee-bar {
  background: var(--bg-alt);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  padding: 36px 0;
}
.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.guarantee-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px;
  border-radius: 12px;
  transition: var(--transition);
}
.guarantee-item:hover {
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.guarantee-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(31, 58, 46, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 17px;
  flex-shrink: 0;
  transition: var(--transition);
}
.guarantee-item:hover .guarantee-icon {
  background: var(--gold);
  color: #fff;
}
.guarantee-info h4 { font-size: 15px; color: var(--primary-dark); margin-bottom: 2px; }
.guarantee-info p { font-size: 13px; color: var(--text-sub); line-height: 1.4; }

/* ========== 资讯 ========== */
.news-section { background: var(--bg); }
.news-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
}
.news-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  margin-bottom: 12px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.news-list-item:hover {
  border-color: var(--gold);
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}
.news-list-item .title {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  line-height: 1.5;
}
.news-list-item:hover .title { color: var(--primary); }
.news-list-item .cat {
  flex-shrink: 0;
  background: rgba(31, 58, 46, 0.07);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  padding: 4px 12px;
}
.news-sidebar {
  background: var(--bg-alt);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.news-sidebar h4 {
  font-size: 16px;
  color: var(--primary-dark);
  border-left: 3px solid var(--gold);
  padding-left: 12px;
  margin-bottom: 18px;
}
.sidebar-card {
  background: #fff;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 12px;
  border: 1px solid var(--border-soft);
  transition: var(--transition);
}
.sidebar-card:last-child { margin-bottom: 0; }
.sidebar-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-sm);
}
.sidebar-card .label {
  font-size: 12px;
  color: var(--gold-hover);
  font-weight: 600;
  margin-bottom: 4px;
}
.sidebar-card .value { font-size: 14px; color: var(--text-main); line-height: 1.5; }
.sidebar-card .value a { color: var(--primary); font-weight: 600; }
.sidebar-card .value a:hover { color: var(--gold-hover); }

/* ========== FAQ ========== */
.faq-section { background: var(--bg-alt); border-top: 1px solid var(--border-soft); }
.accordion {
  background: transparent;
  max-width: 820px;
  margin: 0 auto;
}
.accordion-item {
  background: transparent !important;
  border: none !important;
  border-bottom: 1px solid var(--border-soft) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}
.accordion-item:first-child { border-top: 1px solid var(--border-soft) !important; }
.accordion-title {
  font-size: 15px !important;
  font-weight: 600 !important;
  color: var(--text-main) !important;
  padding: 22px 50px 22px 0 !important;
  position: relative !important;
  background: transparent !important;
  border: none !important;
}
.accordion-item.is-active .accordion-title {
  color: var(--primary) !important;
}
.accordion-title::before {
  content: "\f067" !important;
  font-family: "Font Awesome 6 Free" !important;
  font-weight: 900 !important;
  position: absolute !important;
  right: 8px !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
  color: var(--gold) !important;
  font-size: 14px !important;
  transition: var(--transition) !important;
}
.accordion-item.is-active .accordion-title::before {
  content: "\f068" !important;
  color: var(--gold) !important;
}
.accordion-content {
  background: transparent !important;
  border: none !important;
  padding: 0 40px 24px 0 !important;
  color: var(--text-sub) !important;
  font-size: 15px !important;
  line-height: 1.75 !important;
}
.accordion-content p { color: var(--text-sub); }

/* ========== CTA 行动区 ========== */
.cta-section {
  position: relative;
  background: linear-gradient(rgba(22, 43, 34, 0.92), rgba(22, 43, 34, 0.94)), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  color: #fff;
  text-align: center;
  padding: 72px 0;
}
.cta-badge {
  display: inline-block;
  border: 1px solid var(--gold-light);
  color: var(--gold-light);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
  margin-bottom: 18px;
}
.cta-section h2 {
  font-size: 38px;
  margin-bottom: 12px;
  color: #fff;
}
.cta-sub {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 30px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.countdown-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 28px;
}
.countdown-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
}
.countdown-num {
  font-size: 18px;
  font-weight: 700;
  color: var(--gold-light);
  min-width: 24px;
  text-align: center;
  font-family: monospace;
}
.countdown-sep { color: rgba(255,255,255,0.5); }
.cta-note {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 16px;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--green-deeper);
  color: rgba(255, 255, 255, 0.75);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .logo-wrap { margin-bottom: 14px; }
.footer-brand .logo-text { color: var(--gold-light); }
.footer-brand .logo-sub { color: rgba(255,255,255,0.5); }
.footer-desc { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.6); margin-top: 12px; }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--primary-dark);
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--gold-light); padding-left: 4px; }
.footer-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.footer-tags span {
  display: inline-block;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  border: 1px solid rgba(255,255,255,0.16);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  transition: var(--transition);
}
.footer-tags span:hover {
  border-color: var(--gold-light);
  color: var(--gold-light);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--gold-light); }

/* 返回顶部 */
.scroll-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 99;
  box-shadow: var(--shadow-md);
}
.scroll-top.show { opacity: 1; visibility: visible; }
.scroll-top:hover {
  background: var(--gold);
  border-color: var(--gold);
  transform: translateY(-4px);
}

/* ========== 动效 ========== */
.fade-up {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== 可访问性 ========== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .qi-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .price-grid { grid-template-columns: repeat(2, 1fr); }
  .price-card.featured { transform: none; order: 0; }
  .price-card.featured:hover { transform: translateY(-4px); }
  .news-layout { grid-template-columns: 1fr; }
  .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .nav-burger { display: block; }
  .nav-cta-wrap .btn-nav-cta { display: none; }
  .hero { padding: 56px 0 48px; }
  .hero-title { font-size: 36px; }
}

@media (max-width: 640px) {
  :root { --section-pad-mobile: 48px 0; }
  section { padding: var(--section-pad-mobile); }
  .container { padding: 0 16px; }
  h1 { font-size: 30px; }
  h2 { font-size: 26px; }
  .hero-title { font-size: 30px; }
  .hero-sub { font-size: 16px; }
  .hero-data { gap: 16px; }
  .hero-data-item .num { font-size: 22px; }
  .qi-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .scene-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .price-grid { grid-template-columns: 1fr; }
  .price-steps { grid-template-columns: 1fr; }
  .guarantee-grid { grid-template-columns: 1fr; }
  .news-list-item { flex-direction: column; align-items: flex-start; gap: 6px; }
  .cta-section h2 { font-size: 28px; }
  .btn { width: 100%; }
  .hero-ctas .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .scroll-top { right: 16px; bottom: 16px; }
  .countdown-wrap { padding: 8px 12px; }
}