/* =============================================================
   ACROSSTAR 视觉基准规范 · 东方命理高端咨询 · 古雅理性暖金体系
   调色系统：哑光香槟金/古铜金 (#aab3bf/#d4dbe4) · 深底对比度≥4.5:1
   文字排版：中文衬线优先 (Noto Serif SC) · 行高 1.7-1.9 · 段宽≤38字
   版面架构：Hero七基准完全冻结 · 价格卡基线对齐 · 560px移动自适应
   ============================================================= */
:root {
  --bg-deep: #07090c;
  --bg-page: #0d1015;
  --bg-card: #171b23;
  --bg-card-hover: #1e2430;
  --bg-surface: #121620;
  --warm-glow: rgba(203, 177, 138, 0.08);
  --warm-glow-ambient: rgba(125, 153, 169, 0.05);
  --border-subtle: rgba(136, 149, 167, 0.14);
  --border-focus: rgba(125, 153, 169, 0.45);
  --border-gold: rgba(203, 177, 138, 0.32);

  --gold: #cbb18a;
  --gold-light: #e9ded0;
  --gold-deep: #8a7352;
  --gold-glow: rgba(203, 177, 138, 0.15);

  --text-main: #dce2ea;
  --text-secondary: #8895a7;
  --text-muted: #586577;
  --silhouette-ink: #080a0f;

  --vermilion: #b85d43;
  --vermilion-soft: rgba(184, 93, 67, 0.15);

  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", STSong, "Lora", Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;

  --lh-heading: 1.32;
  --lh-body: 1.86;
  --lh-tight: 1.5;

  --max-text-w: 38em;
  --max-w: 1040px;
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
--bg-card-featured:#161c27;--celadon:#7d99a9;--celadon-soft:rgba(125,153,169,0.14);--vermilion-soft2:rgba(184,93,67,0.15);--border-featured:rgba(203,177,138,0.55);--text-highlight:#f3efe9;--max-text-w:36em;}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-deep);
}

body {
  font-family: var(--font-serif);
  background: #151517;
  color: var(--text-main);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* 背景星图纸质微粒质感 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(170, 180, 195, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
}

/* 基础版心容器 */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  position: relative;
  z-index: 1;
}

/* 基础文字与排版重置 */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: var(--lh-heading);
  color: var(--text-main);
  letter-spacing: 0.02em;
}

p {
  line-height: var(--lh-body);
  color: var(--text-secondary);
  max-width: var(--max-text-w);
  overflow-wrap: break-word;
  word-break: break-word;
}

strong {
  font-weight: 600;
  color: var(--text-main);
}

/* 按钮基础 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.88rem 1.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  font-family: var(--font-sans);
  letter-spacing: 0.03em;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #aab3bf 0%, #aab3bf 100%);
  color: #151517;
  border-color: rgba(245, 230, 200, 0.4);
  box-shadow: 0 4px 18px rgba(170, 134, 73, 0.28);
  font-weight: 600;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #d4dbe4 0%, #aab3bf 100%);
  box-shadow: 0 6px 24px rgba(170, 180, 195, 0.45);
  transform: translateY(-2px);
  color: #0c0a07;
}

.btn-ghost {
  background: rgba(28, 22, 16, 0.65);
  border-color: var(--border-gold);
  color: var(--text-main);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(44, 49, 56, 0.85);
  border-color: var(--gold-light);
  color: #fff;
  transform: translateY(-2px);
}

/* 栏目区块基础 */
.block {
  padding-top: 6rem;
  padding-bottom: 6rem;
  position: relative;
  z-index: 1;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--gold);
  margin-bottom: 0.7rem;
  border-bottom: 1px solid rgba(170, 180, 195, 0.35);
  padding-bottom: 0.22rem;
  font-family: var(--font-sans);
  font-weight: 500;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 3.2vw, 2.45rem);
  font-weight: 600;
  line-height: var(--lh-heading);
  color: var(--text-main);
  letter-spacing: 0.02em;
  margin-bottom: 1.15rem;
}

.section-subtitle {
  font-family: var(--font-serif);
  font-size: 1.02rem;
  color: var(--text-secondary);
  max-width: var(--max-text-w);
  line-height: 1.82;
  margin-bottom: 3rem;
}

/* 金色强调文字 */
.gold-mark {
  color: var(--gold-light);
  background: linear-gradient(180deg, transparent 72%, rgba(170, 180, 195, 0.22) 72%);
  font-weight: 500;
}

/* 水墨虚线分割带 */
.ink-divider {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(170, 180, 195, 0.22) 20%, rgba(170, 180, 195, 0.38) 50%, rgba(170, 180, 195, 0.22) 80%, transparent 100%);
  position: relative;
}

.ink-divider::after {
  content: "✦";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #151517;
  padding: 0 0.8rem;
  color: var(--gold);
  font-size: 0.75rem;
  opacity: 0.7;
}

/* -------------------------------------------------------------
   一 · 顶栏（圆角方框白鹤 logo + ACROSSTAR + 导航）
   ------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(20, 17, 14, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(170, 180, 195, 0.14);
  transition: var(--transition);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand-box {
  width: 38px;
  height: 38px;
  background: #1a1510;
  border: 1px solid rgba(170, 180, 195, 0.35);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  transition: var(--transition);
}

.brand-box img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  filter: drop-shadow(0 0 2px rgba(255, 255, 255, 0.45));
}

.brand-wrap:hover .brand-box {
  border-color: var(--gold-light);
  box-shadow: 0 0 12px var(--gold-glow);
  transform: rotate(-3deg);
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.16rem;
  letter-spacing: 0.14em;
  font-weight: 600;
  color: var(--text-main);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.92rem;
  font-family: var(--font-serif);
  letter-spacing: 0.02em;
  transition: var(--transition);
  position: relative;
  padding: 0.3rem 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--gold-light);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--gold);
  transition: width 0.25s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* 语言切换器 */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(30, 24, 18, 0.7);
  padding: 3px 6px;
  border-radius: 20px;
  border: 1px solid rgba(170, 180, 195, 0.2);
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.78rem;
  padding: 3px 8px;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
}

.lang-btn.active {
  background: var(--gold);
  color: #151517;
  font-weight: 600;
}

.lang-btn:hover:not(.active) {
  color: var(--text-main);
}

/* 移动端菜单按钮保留 */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--gold);
  font-size: 1.4rem;
  cursor: pointer;
}

/* -------------------------------------------------------------
   二 · Hero 主视觉（古典天文图志 · 疏朗留白 · 偏右上轨道环与左下独立墨鹤）
   七基准完全冻结保护：
   1. #151517 纯粹深底
   2. 偏右上含蓄微温暖光晕 (radial 克制呼吸)
   3. 全局暗角留白 (hero-vignette)
   4. 外环高斯模糊滤镜 (blurOuter)
   5. 内环 130s 缓慢反向公转
   6. 墨鹤左下角静立浮动
   7. 纯视觉零文字呈现
   ------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 92vh;
  padding: 0;
  display: block;
  overflow: hidden;
  background: #151517;
  border-bottom: 1px solid rgba(170, 180, 195, 0.10);
}

/* 背景暖光呼吸（含蓄微温 · radial 融合渐变） */
.hero-ambient-glow {
  position: absolute;
  right: 6%;
  top: 4%;
  width: 62vw;
  max-width: 720px;
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 50% 50%, rgba(150, 132, 104, 0.20) 0%, rgba(135, 110, 72, 0.08) 32%, rgba(50, 56, 64, 0.02) 58%, transparent 75%);
  filter: blur(30px);
  animation: glowBreathe 14s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes glowBreathe {
  0% { opacity: 0.45; transform: scale(0.97); }
  50% { opacity: 0.8; transform: scale(1.03); }
  100% { opacity: 0.45; transform: scale(0.97); }
}

/* 暗角 Vignette */
.hero-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 45%, transparent 40%, rgba(8, 8, 10, 0.52) 75%, rgba(6, 6, 8, 0.85) 100%);
  pointer-events: none;
  z-index: 1;
}

/* 右上绝对定位 · 细金线古典天象轨道装置 */
.hero-orbit-apparatus {
  position: absolute;
  right: 8%;
  top: 6%;
  width: 56vw;
  max-width: 620px;
  aspect-ratio: 1 / 1;
  pointer-events: none;
  z-index: 2;
}

.orbit-svg-container {
  width: 100%;
  height: 100%;
  display: block;
}

/* 外环正圆系统：90s 缓慢正转 */
.orbit-outer-system {
  transform-origin: 260px 260px;
  animation: orbitOuterRev 90s linear infinite;
}

@keyframes orbitOuterRev {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 内接椭圆系统：130s 缓慢反转 */
.orbit-inner-system {
  transform-origin: 260px 260px;
  animation: orbitInnerRev 130s linear infinite reverse;
}

@keyframes orbitInnerRev {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 外环光点公转：45s 错速公转 */
.orbit-dot-outer-runner {
  transform-origin: 260px 260px;
  animation: dotOrbitOuter 45s linear infinite;
}

@keyframes dotOrbitOuter {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 内椭圆光点公转：70s 错速反向公转 */
.orbit-dot-inner-runner {
  transform-origin: 260px 260px;
  animation: dotOrbitInner 70s linear infinite reverse;
}

@keyframes dotOrbitInner {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 刻度点微弱隐约呼吸 */
.orbit-tick {
  animation: tickSoftGlow 6s ease-in-out infinite alternate;
}

.orbit-tick:nth-child(2n) {
  animation-delay: 2s;
}

.orbit-tick:nth-child(3n) {
  animation-delay: 4s;
}

@keyframes tickSoftGlow {
  0% { opacity: 0.35; }
  50% { opacity: 0.75; }
  100% { opacity: 0.35; }
}

/* 左下独立站姿墨鹤 */
.hero-crane-solitary {
  position: absolute;
  left: 5%;
  bottom: 7%;
  height: clamp(120px, 15vh, 165px);
  width: auto;
  pointer-events: none;
  z-index: 3;
  opacity: 0.92;
  animation: craneGentleFloat 9s ease-in-out infinite;
}

.crane-ink-figure {
  height: 100%;
  width: auto;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.75));
}

@keyframes craneGentleFloat {
  0% { transform: translateY(5px); }
  50% { transform: translateY(-5px); }
  100% { transform: translateY(5px); }
}

/* -------------------------------------------------------------
   交互专区 · 心境镜照 QUIZ（3 步自测 · 进度条 · 动态反馈）
   ------------------------------------------------------------- */
.quiz-section {
  padding-top: 3rem;
  padding-bottom: 4.5rem;
}

.quiz-container {
  background: radial-gradient(130% 120% at 50% 0%, rgba(33, 36, 41, 0.82) 0%, rgba(21, 24, 28, 0.95) 100%);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 2.4rem;
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.45);
  max-width: 760px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.quiz-progress-bar-wrap {
  width: 100%;
  height: 4px;
  background: rgba(170, 180, 195, 0.15);
  border-radius: 2px;
  margin-bottom: 1.8rem;
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  width: 33.33%;
  background: linear-gradient(90deg, #aab3bf, #d4dbe4);
  transition: width 0.35s ease;
}

.quiz-step {
  display: none;
}

.quiz-step.active {
  display: block;
  animation: fadeInStep 0.4s ease;
}

@keyframes fadeInStep {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.quiz-q-num {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 0.45rem;
}

.quiz-q-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 1.4rem;
  line-height: 1.45;
}

.quiz-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.quiz-btn {
  background: rgba(18, 20, 24, 0.72);
  border: 1px solid rgba(170, 180, 195, 0.22);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.4rem;
  color: var(--text-main);
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.98rem;
  line-height: 1.55;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  width: 100%;
}

.quiz-btn strong {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
}

.quiz-btn-desc {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.6;
  font-family: var(--font-sans);
}

.quiz-btn:hover {
  background: rgba(42, 33, 23, 0.85);
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  color: #fff;
}

.quiz-result-box {
  display: none;
  text-align: center;
  padding: 1rem 0.5rem;
}

.quiz-result-box.active {
  display: block;
  animation: fadeInStep 0.5s ease;
}

.quiz-result-badge {
  display: inline-block;
  background: rgba(170, 180, 195, 0.18);
  border: 1px solid var(--gold);
  color: var(--gold-light);
  padding: 0.35rem 1.1rem;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 500;
  font-family: var(--font-sans);
  margin-bottom: 1.1rem;
}

.quiz-result-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--gold-light);
  margin-bottom: 0.8rem;
}

.quiz-result-text {
  font-family: var(--font-serif);
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 0.98rem;
  line-height: 1.82;
  max-width: var(--max-text-w);
  margin-left: auto;
  margin-right: auto;
}

.quiz-result-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* -------------------------------------------------------------
   三 · 服务如何进行（HOW · 3 步卡片）
   ------------------------------------------------------------- */
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
}

.how-card {
  background: radial-gradient(130% 120% at 50% 0%, rgba(33, 36, 41, 0.6) 0%, rgba(18, 20, 24, 0.82) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.2rem 1.8rem;
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.how-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.how-step-num {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 700;
  color: rgba(170, 180, 195, 0.28);
  line-height: 1;
  margin-bottom: 1.2rem;
  transition: var(--transition);
}

.how-card:hover .how-step-num {
  color: rgba(170, 180, 195, 0.65);
}

.how-step-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.85rem;
  line-height: 1.42;
}

.how-step-desc {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.82;
  max-width: var(--max-text-w);
  flex-grow: 1;
}

/* -------------------------------------------------------------
   四 · 价格方案（PRICING · 双档基线对齐）
   ------------------------------------------------------------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 920px;
  margin: 0 auto;
  align-items: stretch;
}

.pricing-card {
  background: radial-gradient(140% 120% at 50% 0%, rgba(33, 36, 41, 0.72) 0%, rgba(18, 20, 24, 0.9) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.8rem 2.4rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
  height: 100%;
}

.pricing-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-gold);
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.5);
}

.pricing-card.featured {
  background: radial-gradient(140% 120% at 50% 0%, rgba(48, 38, 25, 0.88) 0%, rgba(24, 19, 14, 0.96) 100%);
  border: 1.5px solid var(--gold);
  box-shadow: 0 12px 35px rgba(170, 180, 195, 0.16);
}

.pricing-badge {
  position: absolute;
  top: -13px;
  right: 24px;
  background: linear-gradient(90deg, #aab3bf, #d4dbe4);
  color: #151517;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.28rem 0.85rem;
  border-radius: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pricing-tier-name {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.45rem;
}

.pricing-tier-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.6rem;
  min-height: 44px;
  line-height: 1.6;
  max-width: var(--max-text-w);
}

.pricing-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  min-height: 60px;
  margin-bottom: 1.8rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid rgba(170, 180, 195, 0.16);
}

.pricing-currency {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--gold);
  font-family: var(--font-serif);
}

.pricing-amount {
  font-size: 3.1rem;
  font-weight: 700;
  color: var(--text-main);
  font-family: var(--font-serif);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.pricing-period {
  font-size: 0.86rem;
  color: var(--text-muted);
  font-family: var(--font-sans);
}

.pricing-features {
  list-style: none;
  margin-bottom: 2.2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.pricing-features li {
  font-size: 0.94rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  line-height: 1.7;
}

.pricing-features li strong {
  color: var(--text-main);
  font-weight: 600;
}

.pricing-features li::before {
  content: "✦";
  color: var(--gold);
  font-size: 0.8rem;
  margin-top: 3px;
  flex-shrink: 0;
}

.pricing-cta-btn {
  width: 100%;
  border-radius: 8px;
  margin-top: auto;
  padding: 0.95rem 1.8rem;
}

.pricing-note {
  font-size: 0.86rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 1.8rem;
  font-family: var(--font-serif);
}

/* -------------------------------------------------------------
   五 · 关于我（ABOUT · 书卷纵向韵律排版）
   ------------------------------------------------------------- */
.about-wrap {
  display: block;
  max-width: 780px;
  margin: 0 auto;
}

.about-main-text {
  max-width: 740px;
  margin: 0 auto;
  text-align: left;
}

.about-lead {
  font-family: var(--font-serif);
  font-size: 1.38rem;
  font-weight: 500;
  color: var(--gold-light);
  letter-spacing: 0.08em;
  margin-bottom: 1.6rem;
  text-align: center;
  line-height: 1.8;
}

.about-main-text p {
  font-family: var(--font-serif);
  font-size: 1.04rem;
  line-height: 1.95;
  color: var(--text-secondary);
  margin-bottom: 1.4rem;
  max-width: var(--max-text-w);
  text-align: justify;
}

.about-invite {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  color: var(--gold);
  letter-spacing: 0.06em;
  text-align: center;
  margin: 2rem 0;
  font-weight: 500;
}

.about-meta-list {
  background: rgba(22, 18, 14, 0.65);
  border: 1px solid rgba(170, 180, 195, 0.2);
  border-radius: var(--radius-md);
  padding: 1.6rem 2rem;
  list-style: none;
  margin-top: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: var(--max-text-w);
  margin-left: auto;
  margin-right: auto;
}

.about-meta-list li {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.about-meta-list li strong {
  color: var(--gold-light);
  font-weight: 600;
}

/* -------------------------------------------------------------
   六 · 示意案例（CASES · Tab 切换交互）
   ------------------------------------------------------------- */
.case-tabs {
  display: flex;
  gap: 0.85rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.case-tab-btn {
  background: rgba(28, 22, 16, 0.55);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.4rem;
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-family: var(--font-serif);
  cursor: pointer;
  transition: var(--transition);
}

.case-tab-btn.active {
  background: var(--gold);
  color: #151517;
  font-weight: 600;
  border-color: var(--gold);
}

.case-tab-btn:hover:not(.active) {
  border-color: var(--gold);
  color: #fff;
}

.case-content-panel {
  display: none;
  background: radial-gradient(130% 120% at 50% 0%, rgba(33, 36, 41, 0.65) 0%, rgba(18, 20, 24, 0.85) 100%);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 2.4rem;
  animation: fadeInStep 0.4s ease;
}

.case-content-panel.active {
  display: block;
}

.case-header-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.3rem;
  border-bottom: 1px solid rgba(170, 180, 195, 0.16);
  padding-bottom: 0.9rem;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.case-meta-title {
  color: var(--text-main);
  font-size: 1.12rem;
  font-family: var(--font-serif);
  font-weight: 600;
}

.case-tag {
  background: rgba(170, 180, 195, 0.16);
  color: var(--gold-light);
  font-size: 0.8rem;
  font-weight: 500;
  font-family: var(--font-sans);
  padding: 0.25rem 0.7rem;
  border-radius: 4px;
}

.case-dilemma {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: #fff;
  margin-bottom: 1.4rem;
  line-height: 1.55;
}

.case-body-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem;
  margin-top: 1.2rem;
}

.case-block {
  background: rgba(18, 14, 11, 0.6);
  padding: 1.4rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(170, 180, 195, 0.12);
}

.case-block-title {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
  font-family: var(--font-sans);
  text-transform: uppercase;
}

.case-block-p {
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.78;
}

/* -------------------------------------------------------------
   七 · 为什么是这种方式（WHY · 3 列对比）
   ------------------------------------------------------------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.why-card {
  background: rgba(30, 24, 18, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.2rem 1.8rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.why-card:hover {
  border-color: var(--border-gold);
  background: rgba(42, 33, 23, 0.7);
  transform: translateY(-3px);
}

.why-icon {
  font-size: 1.8rem;
  margin-bottom: 1.1rem;
  color: var(--gold);
}

.why-card h4 {
  font-family: var(--font-serif);
  font-size: 1.18rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.85rem;
}

.why-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: var(--max-text-w);
}

/* -------------------------------------------------------------
   八 · 服务说明与边界（SERVICE）
   ------------------------------------------------------------- */
.service-desc-box {
  background: rgba(24, 19, 14, 0.75);
  border-left: 3px solid var(--gold);
  padding: 2.2rem 2.4rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.96rem;
  color: var(--text-secondary);
  line-height: 1.88;
  max-width: var(--max-text-w);
  font-family: var(--font-serif);
}

/* -------------------------------------------------------------
   九 · 常见问题（FAQ · 交互手风琴）
   ------------------------------------------------------------- */
.accordion {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(170, 180, 195, 0.16);
  transition: var(--transition);
}

.faq-header {
  width: 100%;
  padding: 1.35rem 0;
  background: transparent;
  border: none;
  color: var(--text-main);
  text-align: left;
  font-size: 1.1rem;
  font-family: var(--font-serif);
  font-weight: 500;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-header:hover {
  color: var(--gold-light);
}

.faq-indicator {
  font-size: 1.25rem;
  color: var(--gold);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item.active .faq-indicator {
  transform: rotate(45deg);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.82;
  padding: 0 0.5rem;
  max-width: var(--max-text-w);
}

.faq-item.active .faq-body {
  max-height: 320px;
  padding-bottom: 1.4rem;
}

/* -------------------------------------------------------------
   十 · 预约（CONTACT · 纯净表单）
   ------------------------------------------------------------- */
.booking-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  background: radial-gradient(130% 120% at 50% 0%, rgba(33, 36, 41, 0.75) 0%, rgba(18, 20, 24, 0.9) 100%);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
}

.booking-info h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.booking-info p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1.8rem;
}

.booking-guarantees {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.booking-guarantees li {
  font-size: 0.88rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  line-height: 1.6;
}

.booking-guarantees li::before {
  content: "✓";
  color: var(--gold);
  font-weight: 700;
}

.booking-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-row label {
  font-size: 0.84rem;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  font-family: var(--font-sans);
}

.form-input, .form-select, .form-textarea {
  background: rgba(18, 14, 11, 0.75);
  border: 1px solid rgba(170, 180, 195, 0.25);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.94rem;
  transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 10px rgba(170, 180, 195, 0.25);
  background: rgba(26, 20, 15, 0.95);
}

.booking-tg-link {
  color: var(--gold);
  text-decoration: none;
}

.booking-tg-link:hover {
  text-decoration: underline;
  color: var(--gold-light);
}

.booking-submit-btn {
  width: 100%;
  border-radius: 8px;
  margin-top: 0.5rem;
}

.booking-agreement-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 0.4rem;
  font-family: var(--font-serif);
}

/* -------------------------------------------------------------
   十一 · 英文专区（ENGLISH · 简练摘要）
   ------------------------------------------------------------- */
.en-section {
  border-top: 1px solid rgba(170, 180, 195, 0.15);
  background: rgba(18, 15, 12, 0.4);
}

.en-title {
  font-family: 'Lora', Georgia, serif;
  font-size: clamp(1.8rem, 3.2vw, 2.3rem);
  color: var(--text-main);
}

.en-wave-divider {
  width: 100%;
  max-width: 320px;
  height: 18px;
  margin-bottom: 1.5rem;
  display: block;
}

.en-content-wrap {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.85;
  max-width: var(--max-text-w);
}

.en-lead-quote {
  font-style: italic;
  color: #fff;
  font-size: 1.12rem;
  margin-bottom: 1.2rem;
  font-family: 'Lora', Georgia, serif;
  line-height: 1.7;
}

.en-body-para {
  margin-bottom: 1.2rem;
}

.en-tier-list {
  list-style: none;
  margin-bottom: 1.5rem;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.en-tier-item {
  margin-bottom: 0.6rem;
}

.en-footer-note {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* -------------------------------------------------------------
   十二 · 页脚（FOOTER）
   ------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid rgba(170, 180, 195, 0.12);
  padding: 3.5rem 1.5rem 2.5rem;
  background: #110d0a;
  text-align: center;
  position: relative;
  z-index: 1;
}

.footer-crane-mark {
  width: 44px;
  height: 44px;
  margin: 0 auto 1.4rem;
  opacity: 0.6;
  transition: var(--transition);
}

.footer-crane-mark:hover {
  opacity: 0.95;
  transform: scale(1.08);
}

.footer-crane-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.footer-disclaimer {
  font-size: 0.82rem;
  color: var(--text-muted);
  max-width: var(--max-text-w);
  margin: 0 auto 1.6rem;
  line-height: 1.75;
  font-family: var(--font-serif);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.4rem;
  font-size: 0.84rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  font-family: var(--font-serif);
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--gold);
}

/* -------------------------------------------------------------
   十三 · CSP 历史同源类完全兼容映射
   ------------------------------------------------------------- */
.csp-inline-style-1 { padding-top: 2.5rem !important; padding-bottom: 3.5rem !important; }
.csp-inline-style-2 { font-size: 0.86rem !important; color: var(--text-muted) !important; }
.csp-inline-style-3 { font-size: 0.86rem !important; color: var(--text-muted) !important; }
.csp-inline-style-4 { font-size: 0.86rem !important; color: var(--text-muted) !important; }
.csp-inline-style-5 { font-size: 0.86rem !important; color: var(--text-muted) !important; }
.csp-inline-style-6 { font-size: 0.86rem !important; color: var(--text-muted) !important; }
.csp-inline-style-7 { font-size: 0.86rem !important; color: var(--text-muted) !important; }
.csp-inline-style-8 { font-size: 0.86rem !important; color: var(--text-muted) !important; }
.csp-inline-style-9 { font-size: 0.86rem !important; color: var(--text-muted) !important; }
.csp-inline-style-10 { color: var(--gold-light) !important; }
.csp-inline-style-11 { color: var(--text-secondary) !important; margin-bottom: 1.8rem !important; font-size: 0.98rem !important; line-height: 1.8 !important; max-width: 580px !important; margin-left: auto !important; margin-right: auto !important; }
.csp-inline-style-12 { display: flex !important; gap: 1rem !important; justify-content: center !important; flex-wrap: wrap !important; }
.csp-inline-style-13 { width: 100% !important; border-radius: 8px !important; }
.csp-inline-style-14 { width: 100% !important; border-radius: 8px !important; }
.csp-inline-style-15 { color: var(--text-main) !important; font-size: 1.12rem !important; }
.csp-inline-style-16 { color: var(--text-main) !important; font-size: 1.12rem !important; }
.csp-inline-style-17 { color: var(--text-main) !important; font-size: 1.12rem !important; }
.csp-inline-style-18 { color: var(--gold) !important; text-decoration: none !important; }
.csp-inline-style-19 { width: 100% !important; border-radius: 8px !important; margin-top: 0.5rem !important; }
.csp-inline-style-20 { font-size: 0.82rem !important; color: var(--text-muted) !important; text-align: center !important; margin-top: 0.4rem !important; }
.csp-inline-style-21 { font-family: 'Lora', Georgia, serif !important; }
.csp-inline-style-22 { width: 100% !important; max-width: 320px !important; height: 18px !important; margin-bottom: 1.5rem !important; display: block !important; }
.csp-inline-style-23 { font-size: 0.98rem !important; color: var(--text-secondary) !important; line-height: 1.85 !important; max-width: 820px !important; }
.csp-inline-style-24 { font-style: italic !important; color: #fff !important; font-size: 1.12rem !important; margin-bottom: 1rem !important; }
.csp-inline-style-25 { margin-bottom: 1.2rem !important; }
.csp-inline-style-26 { list-style: none !important; margin-bottom: 1.5rem !important; padding-left: 0 !important; }
.csp-inline-style-27 { margin-bottom: 0.6rem !important; }
.csp-inline-style-28 { font-size: 0.88rem !important; color: var(--text-muted) !important; }

/* 测验进度与交互控件状态 */
.quiz-progress-fill[data-progress="1"] { width: 33.33%; }
.quiz-progress-fill[data-progress="2"] { width: 66.66%; }
.quiz-progress-fill[data-progress="3"] { width: 100%; }
.quiz-progress-fill[data-progress="4"] { width: 100%; }

.booking-guarantees a {
  color: var(--gold);
  text-decoration: none;
}

.hp-trap {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.booking-status[hidden] {
  display: none !important;
}

.booking-status {
  padding: 1rem;
  border-radius: 6px;
  font-size: 0.92rem;
  text-align: center;
}

.booking-status-success {
  background: rgba(170, 180, 195, 0.15);
  border: 1px solid var(--gold);
  color: #fff;
}

.booking-status-error {
  background: rgba(184, 84, 63, 0.14);
  border: 1px solid var(--vermilion);
  color: #fff;
}

/* -------------------------------------------------------------
   十四 · 响应式与断点 (900px / 768px / 560px 移动不溢出保护)
   ------------------------------------------------------------- */
@media (max-width: 900px) {
  .how-grid, .why-grid {
    grid-template-columns: 1fr;
    gap: 1.4rem;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .about-wrap, .booking-wrap {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .case-body-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  .nav-links {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero-orbit-apparatus {
    right: -10%;
    top: 4%;
    width: 75vw;
    opacity: 0.55;
  }
  .hero-crane-solitary {
    left: 4%;
    bottom: 4%;
    height: 140px;
    opacity: 0.75;
  }
}

@media (max-width: 560px) {
  .container {
    padding-left: 1.1rem;
    padding-right: 1.1rem;
  }

  .header-container {
    height: 60px;
    padding: 0 1rem;
  }

  .brand-title {
    font-size: 1.02rem;
    letter-spacing: 0.1em;
  }

  .brand-box {
    width: 32px;
    height: 32px;
  }

  .brand-box img {
    width: 20px;
    height: 20px;
  }

  .block {
    padding-top: 3.8rem;
    padding-bottom: 3.8rem;
  }

  .section-title {
    font-size: 1.65rem;
    margin-bottom: 0.9rem;
  }

  .section-subtitle {
    font-size: 0.94rem;
    line-height: 1.72;
    margin-bottom: 2.2rem;
  }

  .hero-orbit-apparatus {
    right: -16%;
    top: 3%;
    width: 88vw;
    opacity: 0.42;
  }

  .hero-crane-solitary {
    left: 4%;
    bottom: 4%;
    height: 110px;
    opacity: 0.72;
  }

  .quiz-section {
    padding-top: 2rem;
    padding-bottom: 3.2rem;
  }

  .quiz-container {
    padding: 1.5rem 1.1rem;
    border-radius: var(--radius-md);
  }

  .quiz-q-title {
    font-size: 1.18rem;
    margin-bottom: 1.1rem;
  }

  .quiz-btn {
    padding: 0.95rem 1.1rem;
    font-size: 0.92rem;
  }

  .quiz-result-title {
    font-size: 1.25rem;
  }

  .quiz-result-text {
    font-size: 0.92rem;
    margin-bottom: 1.5rem;
  }

  .pricing-card {
    padding: 2rem 1.3rem;
    border-radius: var(--radius-md);
  }

  .pricing-tier-name {
    font-size: 1.38rem;
  }

  .pricing-amount {
    font-size: 2.6rem;
  }

  .about-lead {
    font-size: 1.2rem;
  }

  .about-main-text p {
    font-size: 0.96rem;
    line-height: 1.85;
  }

  .about-meta-list {
    padding: 1.2rem 1.2rem;
  }

  .case-tabs {
    gap: 0.5rem;
    flex-direction: column;
  }

  .case-tab-btn {
    width: 100%;
    text-align: center;
    padding: 0.65rem 1rem;
    font-size: 0.86rem;
  }

  .case-content-panel {
    padding: 1.6rem 1.2rem;
    border-radius: var(--radius-md);
  }

  .case-dilemma {
    font-size: 1.1rem;
    line-height: 1.5;
  }

  .booking-wrap {
    padding: 1.8rem 1.2rem;
    border-radius: var(--radius-md);
    gap: 2rem;
  }

  .booking-info h3 {
    font-size: 1.35rem;
  }

  .en-title {
    font-size: 1.45rem;
    line-height: 1.4;
  }

  .en-content-wrap {
    font-size: 0.92rem;
  }

  .en-lead-quote {
    font-size: 1rem;
  }

  /* 移动端字符溢出与横向滚动绝对防御 */
  * {
    overflow-wrap: break-word;
    word-break: break-word;
  }
}

/* 减弱动画模式支持 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

/* =============================================================
   联系入口 + 付款信任（1013 访客认知障碍优化·W3C G220 一致位置）
   ============================================================= */

/* 右下角浮动联系挂件（常驻可见·减少寻找客服的认知障碍） */
.float-contact {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 999;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px 12px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(170, 180, 195, 0.92), rgba(138, 111, 66, 0.92));
  color: #151517;
  font-family: var(--font-serif);
  font-size: 15px;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.42), 0 0 0 1px rgba(232, 207, 154, 0.32);
  transition: var(--transition);
}
.float-contact:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(232, 207, 154, 0.5); }
.float-contact svg { width: 22px; height: 22px; }
.float-contact .float-label { font-weight: 600; letter-spacing: .04em; }

/* 信任徽章 */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-top: 18px;
}
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--text-secondary);
}
.trust-ico { width: 17px; height: 17px; color: var(--gold); flex: none; }

/* 支付方式图标行 */
.pay-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.pay-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 11px;
  border: 1px solid var(--border-gold);
  border-radius: 999px;
  background: var(--bg-card);
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--text-secondary);
}
.pay-chip svg { width: 15px; height: 15px; color: var(--gold); }

/* 留单成功后的「立即支付」按钮条 */
.booking-pay-bar {
  margin-top: 14px;
  padding: 16px 18px;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  background: rgba(170, 180, 195, 0.08);
}
.booking-pay-hint {
  margin: 0 0 12px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text-secondary);
}
.booking-pay-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  text-decoration: none;
}

/* Telegram 内联链（保留） */
.booking-tg-link { color: var(--gold-light); text-decoration: underline; text-underline-offset: 3px; }
.booking-tg-link:hover { color: var(--gold); }

@media (max-width: 640px) {
  .float-contact { right: 14px; bottom: 14px; padding: 11px 15px 11px 12px; }
  .float-contact .float-label { display: none; }
}