/* ==========================================================================
   大机场 (allairport.homes) - 3D 写实海洋海岛风格全局样式表
   色调：珍珠白 (#F9FCFF) / 浅海蓝 (#0EA5E9) / 天空蓝 (#38BDF8) / 冰川蓝 (#E0F2FE) / 珊瑚橙 (#FF785A)
   ========================================================================== */

:root {
  --pearl-white: #F9FCFF;
  --pure-white: #FFFFFF;
  --glacier-blue: #E6F6FE;
  --ice-blue: #BAE6FD;
  --sky-blue: #38BDF8;
  --sea-blue: #0EA5E9;
  --deep-sea: #0284C7;
  --ocean-ink: #0C2D48;
  --ocean-slate: #14324E;
  --ocean-muted: #2F5875;
  --coral-orange: #FF785A;
  --coral-deep: #F45B3A;
  --coral-soft: #FFF0EC;
  --sand-warm: #FDFBF7;
  --emerald-ok: #10B981;
  --glass-bg: rgba(255, 255, 255, 0.78);
  --glass-bg-strong: rgba(255, 255, 255, 0.88);
  --glass-border: rgba(255, 255, 255, 0.85);
  --glass-edge: rgba(56, 189, 248, 0.28);
  --shadow-soft: 0 18px 45px -12px rgba(14, 165, 233, 0.16), 0 6px 18px -4px rgba(12, 45, 72, 0.06);
  --shadow-3d: 0 26px 60px -15px rgba(2, 132, 199, 0.24), 0 10px 24px -8px rgba(12, 45, 72, 0.10), inset 0 2px 3px rgba(255, 255, 255, 0.95);
  --shadow-island: 0 30px 65px -12px rgba(14, 165, 233, 0.28), 0 12px 28px -6px rgba(12, 45, 72, 0.08), inset 0 2px 4px rgba(255, 255, 255, 1);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --radius-pill: 9999px;
  --transition-smooth: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--ocean-ink);
  background: linear-gradient(180deg, #E8F7FF 0%, #F5FBFF 35%, #EAF7FF 70%, #F9FCFF 100%);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

a {
  color: var(--deep-sea);
  text-decoration: none;
  transition: all 0.28s var(--transition-smooth);
}

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   全局海洋环境微粒与阳光水波纹背景装饰
   ========================================================================== */
#ocean-ambient-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
  opacity: 0.65;
}

main, header, footer {
  position: relative;
  z-index: 2;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 60px;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(56, 189, 248, 0.35);
  box-shadow: 0 6px 20px rgba(14, 165, 233, 0.12), inset 0 1px 1px #fff;
  color: var(--deep-sea);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

.section-eyebrow .coral-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--coral-orange);
  box-shadow: 0 0 0 4px rgba(255, 120, 90, 0.2);
}

.section-title {
  font-size: clamp(1.85rem, 3.2vw, 2.65rem);
  font-weight: 800;
  color: var(--ocean-ink);
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.section-title .text-sea-gradient {
  background: linear-gradient(135deg, #0284C7 0%, #0EA5E9 55%, #38BDF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.08rem;
  color: var(--ocean-slate);
  font-weight: 600;
  line-height: 1.75;
}

/* ==========================================================================
   顶部导航栏：海水打磨的半透明白色玻璃效果
   ========================================================================== */
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: all 0.35s var(--transition-smooth);
}

.site-header.scrolled {
  top: 8px;
}

.navbar-glass {
  max-width: 1280px;
  margin: 0 auto;
  height: 72px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.92);
  box-shadow:
    0 14px 36px -8px rgba(14, 165, 233, 0.16),
    0 4px 12px rgba(12, 45, 72, 0.05),
    inset 0 2px 2px rgba(255, 255, 255, 0.98),
    inset 0 -1px 2px rgba(56, 189, 248, 0.22);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ocean-ink);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

.brand-logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(145deg, #38BDF8 0%, #0284C7 100%);
  box-shadow: 0 8px 18px rgba(14, 165, 233, 0.32), inset 0 2px 3px rgba(255, 255, 255, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-logo-sub {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--ocean-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.nav-links a {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  color: var(--ocean-slate);
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--deep-sea);
  background: rgba(224, 242, 254, 0.68);
}

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

.btn-login {
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  color: var(--ocean-ink);
  font-weight: 600;
  font-size: 0.94rem;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(56, 189, 248, 0.32);
  box-shadow: inset 0 1px 1px #fff;
}

.btn-login:hover {
  background: #ffffff;
  color: var(--deep-sea);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(14, 165, 233, 0.15);
}

/* 低调柔和的海玻璃按钮（内敛温和，不刺眼） */
.btn-sea-glass {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-pill);
  background: rgba(230, 244, 254, 0.92);
  color: var(--ocean-ink) !important;
  font-weight: 600;
  font-size: 0.96rem;
  border: 1px solid rgba(56, 189, 248, 0.42);
  box-shadow: 0 6px 18px -4px rgba(12, 45, 72, 0.08), inset 0 1px 2px #ffffff;
  cursor: pointer;
  transition: all 0.28s var(--transition-smooth);
  z-index: 1;
}

.btn-sea-glass.btn-sm {
  padding: 8px 18px;
  font-size: 0.9rem;
}

.btn-sea-glass:hover {
  transform: translateY(-2px);
  background: rgba(212, 238, 254, 0.98);
  color: var(--deep-sea) !important;
  box-shadow: 0 10px 22px -4px rgba(14, 165, 233, 0.16), inset 0 1px 2px #ffffff;
}

.btn-pearl-glass {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  color: var(--ocean-ink) !important;
  font-weight: 700;
  font-size: 1.02rem;
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow:
    0 12px 26px -6px rgba(12, 45, 72, 0.12),
    inset 0 2px 2px #ffffff,
    inset 0 -2px 4px rgba(186, 230, 253, 0.45);
  transition: all 0.32s var(--transition-smooth);
}

.btn-pearl-glass:hover {
  transform: translateY(-3px);
  background: #ffffff;
  color: var(--deep-sea) !important;
  box-shadow: 0 18px 32px -6px rgba(14, 165, 233, 0.25), inset 0 2px 3px #fff;
}

.mobile-menu-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(56, 189, 248, 0.35);
  width: 42px;
  height: 42px;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  color: var(--ocean-ink);
  cursor: pointer;
}

/* ==========================================================================
   首屏 Hero：多层 3D 海洋空间结构 (前景/中景/远景 + 3D 地球仪)
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 980px;
  padding: 140px 0 170px;
  display: flex;
  align-items: center;
  overflow: hidden;
  perspective: 1200px;
  background: linear-gradient(180deg, #BAE6FD 0%, #E0F2FE 42%, #7DD3FC 78%, #38BDF8 100%);
}

/* 远景层：写实海面、岛屿、白色灯塔、飞鸟与阳光反光 */
.hero-layer-bg {
  position: absolute;
  inset: -30px;
  background-image: url('../assets/images/hero-ocean-bg.png');
  background-size: cover;
  background-position: center bottom;
  z-index: 1;
  transform: translateZ(-80px) scale(1.08);
  filter: saturate(1.08) brightness(1.03);
  transition: transform 0.2s ease-out;
}

.hero-sunlight-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 75% 22%, rgba(255, 253, 240, 0.68) 0%, rgba(255, 255, 255, 0.15) 35%, transparent 65%),
    linear-gradient(90deg, rgba(249, 252, 255, 0.82) 0%, rgba(249, 252, 255, 0.58) 44%, rgba(249, 252, 255, 0.15) 75%, rgba(249, 252, 255, 0.05) 100%);
  z-index: 2;
  pointer-events: none;
}

/* 远景动态元素：海鸟、远方灯塔光束与地平线航线 */
.hero-horizon-elements {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}

.seabird {
  position: absolute;
  width: 28px;
  height: 14px;
  opacity: 0.75;
  animation: flyBird 18s linear infinite;
}

.seabird-1 { top: 18%; left: 52%; animation-duration: 22s; }
.seabird-2 { top: 15%; left: 56%; transform: scale(0.75); animation-duration: 25s; animation-delay: -4s; }
.seabird-3 { top: 21%; left: 48%; transform: scale(0.6); animation-duration: 20s; animation-delay: -9s; }

@keyframes flyBird {
  0% { transform: translate(0, 0) scale(0.85); }
  50% { transform: translate(60px, -18px) scale(1); }
  100% { transform: translate(120px, 4px) scale(0.85); }
}

/* 浅水区透明水体沙纹、小鱼与珊瑚光斑层 */
.hero-shallow-water-caustics {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 320px;
  background:
    radial-gradient(ellipse at 30% 70%, rgba(56, 189, 248, 0.25) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 80%, rgba(255, 255, 255, 0.42) 0%, transparent 55%);
  z-index: 3;
  pointer-events: none;
  animation: shimmerWater 6s ease-in-out infinite alternate;
}

@keyframes shimmerWater {
  0% { opacity: 0.65; transform: scaleY(1); }
  100% { opacity: 0.95; transform: scaleY(1.05); }
}

/* 前景层：热带植物叶片、透明水滴、沙滩贝壳与虚化海浪泡沫 */
.hero-layer-fg {
  position: absolute;
  inset: 0;
  z-index: 6;
  pointer-events: none;
  overflow: hidden;
}

.fg-palm-leaf-left {
  position: absolute;
  top: -30px;
  left: -45px;
  width: 310px;
  height: 280px;
  filter: drop-shadow(0 22px 28px rgba(12, 45, 72, 0.18)) blur(1.2px);
  transform-origin: top left;
  animation: swayLeaf 7s ease-in-out infinite alternate;
}

.fg-palm-leaf-right {
  position: absolute;
  bottom: 50px;
  right: -35px;
  width: 260px;
  height: 220px;
  filter: drop-shadow(0 18px 24px rgba(12, 45, 72, 0.16)) blur(1.5px);
  transform-origin: bottom right;
  animation: swayLeafReverse 8s ease-in-out infinite alternate;
}

.fg-seashell-bottom {
  position: absolute;
  bottom: 42px;
  left: 6%;
  width: 140px;
  height: 90px;
  filter: drop-shadow(0 12px 16px rgba(12, 45, 72, 0.18)) blur(0.6px);
}

.fg-water-droplet {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.95), rgba(186, 230, 253, 0.45) 60%, rgba(14, 165, 233, 0.18) 100%);
  box-shadow: 0 8px 20px rgba(14, 165, 233, 0.22), inset 0 2px 4px #ffffff;
  backdrop-filter: blur(4px);
  animation: floatBubble 6s ease-in-out infinite;
}

.droplet-1 { width: 26px; height: 26px; top: 22%; left: 4%; animation-delay: 0s; }
.droplet-2 { width: 16px; height: 16px; top: 68%; left: 12%; animation-delay: -2s; }
.droplet-3 { width: 34px; height: 34px; top: 18%; right: 8%; animation-delay: -3.5s; }
.droplet-4 { width: 20px; height: 20px; bottom: 24%; right: 44%; animation-delay: -1.5s; }

@keyframes swayLeaf {
  0% { transform: rotate(0deg) translate(0, 0); }
  100% { transform: rotate(4deg) translate(6px, 8px); }
}

@keyframes swayLeafReverse {
  0% { transform: rotate(0deg) translate(0, 0); }
  100% { transform: rotate(-5deg) translate(-8px, -6px); }
}

@keyframes floatBubble {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-16px) scale(1.06); }
}

/* 中景主体内容网格 */
.hero-container {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 48px;
}

.hero-copy-card {
  position: relative;
  padding: 44px 42px;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.74);
  backdrop-filter: blur(20px) saturate(170%);
  -webkit-backdrop-filter: blur(20px) saturate(170%);
  border: 1px solid rgba(255, 255, 255, 0.92);
  box-shadow:
    0 32px 70px -15px rgba(12, 45, 72, 0.16),
    0 12px 30px -8px rgba(14, 165, 233, 0.14),
    inset 0 2px 4px rgba(255, 255, 255, 0.98),
    inset 0 -2px 6px rgba(56, 189, 248, 0.2);
  transform-style: preserve-3d;
}

.hero-brand-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 18px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, rgba(224, 242, 254, 0.95), rgba(255, 255, 255, 0.92));
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: var(--deep-sea);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 20px;
  box-shadow: 0 4px 14px rgba(14, 165, 233, 0.12);
}

.hero-brand-pill .pulse-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--coral-orange);
  box-shadow: 0 0 0 4px rgba(255, 120, 90, 0.25);
  animation: pulseCoral 2s infinite;
}

@keyframes pulseCoral {
  0%, 100% { box-shadow: 0 0 0 3px rgba(255, 120, 90, 0.25); }
  50% { box-shadow: 0 0 0 7px rgba(255, 120, 90, 0.08); }
}

.hero-brand-name {
  display: block;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--deep-sea);
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.hero-title {
  font-size: clamp(2.35rem, 4.2vw, 3.45rem);
  font-weight: 900;
  color: var(--ocean-ink);
  line-height: 1.18;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--ocean-slate);
  line-height: 1.8;
  margin-bottom: 26px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(56, 189, 248, 0.35);
  box-shadow: 0 6px 16px rgba(14, 165, 233, 0.1), inset 0 1px 1px #fff;
  color: var(--ocean-ink);
  font-weight: 700;
  font-size: 0.92rem;
  transition: transform 0.25s ease;
}

.hero-tag:hover {
  transform: translateY(-2px);
  border-color: var(--sea-blue);
}

.hero-tag svg {
  color: var(--sea-blue);
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 26px;
}

.hero-trust-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  padding-top: 20px;
  border-top: 1px solid rgba(56, 189, 248, 0.22);
  font-size: 0.88rem;
  color: var(--ocean-muted);
}

.hero-trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--ocean-slate);
}

/* 首屏右侧：写实感 3D 地球仪 + 航线弧线 + 海鸥与帆船微景 */
.hero-globe-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 520px;
  transform-style: preserve-3d;
}

.globe-3d-wrapper {
  position: relative;
  width: 490px;
  height: 490px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: gentleFloatGlobe 7s ease-in-out infinite;
}

@keyframes gentleFloatGlobe {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(1.2deg); }
}

.globe-halo {
  position: absolute;
  inset: -24px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.75) 0%, rgba(56, 189, 248, 0.25) 55%, transparent 74%);
  filter: blur(8px);
  z-index: 1;
}

.globe-main-img {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 50%;
  filter: drop-shadow(0 28px 50px rgba(2, 132, 199, 0.32));
}

/* 地球仪表面动态航线弧线与白色圆点标记 */
.globe-routes-svg {
  position: absolute;
  inset: -15px;
  width: calc(100% + 30px);
  height: calc(100% + 30px);
  z-index: 3;
  pointer-events: none;
}

.globe-route-arc {
  fill: none;
  stroke: #ffffff;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-dasharray: 8 6;
  filter: drop-shadow(0 2px 6px rgba(14, 165, 233, 0.6));
  animation: routeFlow 14s linear infinite;
}

.globe-route-arc.coral-arc {
  stroke: #FF8B70;
  stroke-dasharray: 10 6;
  animation-duration: 11s;
}

@keyframes routeFlow {
  to { stroke-dashoffset: -140; }
}

.globe-node-pin {
  fill: #ffffff;
  stroke: var(--sea-blue);
  stroke-width: 3;
  filter: drop-shadow(0 2px 8px rgba(2, 132, 199, 0.65));
}

/* 地球仪四周漂浮海洋微元素卡片 */
.globe-float-badge {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 14px 30px rgba(12, 45, 72, 0.14), inset 0 1px 2px #fff;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--ocean-ink);
  animation: floatBadge 5.5s ease-in-out infinite;
}

.globe-badge-hk { top: 8%; left: -4%; animation-delay: 0s; }
.globe-badge-jp { top: 18%; right: -6%; animation-delay: -1.8s; }
.globe-badge-us { bottom: 16%; right: -4%; animation-delay: -3.2s; }
.globe-badge-boat { bottom: 8%; left: 0%; animation-delay: -2.4s; }

@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.badge-status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--emerald-ok);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.22);
}

/* 首屏下方多层 3D 白色波浪与透明水体过渡 */
.hero-wave-transition {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 155px;
  z-index: 7;
  pointer-events: none;
  overflow: hidden;
}

.hero-wave-svg {
  width: 100%;
  height: 100%;
  display: block;
}

.wave-layer-back {
  fill: rgba(186, 230, 253, 0.55);
  filter: drop-shadow(0 -6px 14px rgba(14, 165, 233, 0.18));
  animation: waveShift 12s ease-in-out infinite alternate;
}

.wave-layer-mid {
  fill: rgba(240, 249, 255, 0.82);
  filter: drop-shadow(0 -8px 18px rgba(2, 132, 199, 0.14));
  animation: waveShiftReverse 9s ease-in-out infinite alternate;
}

.wave-layer-front {
  fill: #EBF8FF;
  filter: drop-shadow(0 -10px 20px rgba(14, 165, 233, 0.12));
}

@keyframes waveShift {
  0% { transform: translateX(-18px); }
  100% { transform: translateX(18px); }
}

@keyframes waveShiftReverse {
  0% { transform: translateX(15px); }
  100% { transform: translateX(-15px); }
}

/* ==========================================================================
   第二部分：连接世界各地 — 3D 海洋沙盘与漂浮立体世界地图
   ========================================================================== */
.world-map-section {
  position: relative;
  padding: 90px 0 110px;
  background: linear-gradient(180deg, #EBF8FF 0%, #DFF3FE 50%, #F2FAFF 100%);
  overflow: hidden;
}

.sandtable-stage {
  position: relative;
  border-radius: 40px;
  padding: 48px 36px 56px;
  background:
    radial-gradient(ellipse at 50% 50%, rgba(186, 230, 253, 0.72) 0%, rgba(125, 211, 252, 0.45) 58%, rgba(224, 242, 254, 0.85) 100%);
  border: 2px solid rgba(255, 255, 255, 0.92);
  box-shadow:
    0 35px 80px -15px rgba(2, 132, 199, 0.22),
    inset 0 4px 12px rgba(255, 255, 255, 0.95),
    inset 0 -18px 36px rgba(14, 165, 233, 0.18);
  perspective: 1000px;
}

/* 沙盘水面波纹与角落微型海岛模型装饰 */
.sandtable-water-rings {
  position: absolute;
  inset: 16px;
  border-radius: 32px;
  border: 1px dashed rgba(255, 255, 255, 0.7);
  pointer-events: none;
}

.mini-island-deco {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid #fff;
  box-shadow: 0 10px 20px rgba(14, 165, 233, 0.16);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ocean-slate);
  z-index: 2;
}

.mini-island-tl { top: 22px; left: 26px; }
.mini-island-br { bottom: 22px; right: 26px; }

.relief-map-container {
  position: relative;
  width: 100%;
  max-width: 1060px;
  height: 520px;
  margin: 0 auto;
  transform: rotateX(8deg);
  transform-style: preserve-3d;
}

/* 漂浮在浅水中的白色立体浮雕世界地图 SVG */
.relief-world-svg {
  width: 100%;
  height: 100%;
  filter:
    drop-shadow(0 12px 0 rgba(224, 242, 254, 0.95))
    drop-shadow(0 22px 28px rgba(2, 132, 199, 0.24));
}

.continent-shape {
  fill: #FFFFFF;
  stroke: #BAE6FD;
  stroke-width: 1.5;
  transition: fill 0.3s ease;
}

.continent-shape:hover {
  fill: #F8FDFF;
}

.sandtable-route-line {
  fill: none;
  stroke: var(--sea-blue);
  stroke-width: 2;
  stroke-dasharray: 6 6;
  opacity: 0.65;
  animation: routeFlow 16s linear infinite;
}

/* 节点蓝色水滴/航线浮标 */
.map-buoy {
  position: absolute;
  transform: translate(-50%, -50%);
  cursor: pointer;
  z-index: 10;
  transition: transform 0.35s var(--transition-smooth);
}

.map-buoy:hover,
.map-buoy.active {
  transform: translate(-50%, -62%) scale(1.12);
  z-index: 30;
}

.buoy-water-ripple {
  position: absolute;
  left: 50%;
  bottom: -6px;
  width: 36px;
  height: 16px;
  transform: translateX(-50%);
  border-radius: 50%;
  border: 2px solid rgba(14, 165, 233, 0.55);
  background: rgba(56, 189, 248, 0.18);
  animation: buoyWave 2.4s ease-out infinite;
}

@keyframes buoyWave {
  0% { transform: translateX(-50%) scale(0.7); opacity: 0.9; }
  100% { transform: translateX(-50%) scale(1.85); opacity: 0; }
}

.buoy-pin {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.3s var(--transition-smooth);
}

.buoy-droplet {
  width: 38px;
  height: 38px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  background: linear-gradient(135deg, #38BDF8 0%, #0284C7 100%);
  border: 2px solid #ffffff;
  box-shadow: 0 10px 22px rgba(2, 132, 199, 0.42), inset 0 2px 4px rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-buoy.coral-buoy .buoy-droplet {
  background: linear-gradient(135deg, #FF8E72 0%, #F45B3A 100%);
  box-shadow: 0 10px 22px rgba(244, 91, 58, 0.42), inset 0 2px 4px rgba(255, 255, 255, 0.8);
}

.buoy-droplet-inner {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ffffff;
  transform: rotate(45deg);
}

.buoy-label {
  margin-top: 8px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(56, 189, 248, 0.4);
  box-shadow: 0 4px 12px rgba(12, 45, 72, 0.12);
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--ocean-ink);
  white-space: nowrap;
}

/* 浮标悬停信息卡 */
.buoy-tooltip-card {
  position: absolute;
  bottom: calc(100% + 16px);
  left: 50%;
  transform: translateX(-50%) translateY(10px) scale(0.95);
  width: 240px;
  padding: 16px 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(18px);
  border: 1px solid #ffffff;
  box-shadow: 0 22px 45px rgba(12, 45, 72, 0.2), inset 0 1px 2px #fff;
  opacity: 0;
  visibility: hidden;
  transition: all 0.28s var(--transition-smooth);
  pointer-events: none;
  text-align: left;
}

.map-buoy:hover .buoy-tooltip-card,
.map-buoy.active .buoy-tooltip-card {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0) scale(1);
}

.tooltip-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(186, 230, 253, 0.6);
}

.tooltip-region {
  font-weight: 800;
  font-size: 0.98rem;
  color: var(--ocean-ink);
}

.tooltip-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px;
  border-radius: var(--radius-pill);
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
  font-size: 0.75rem;
  font-weight: 700;
}

.tooltip-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.84rem;
  margin-top: 6px;
  color: var(--ocean-slate);
}

.tooltip-row strong {
  color: var(--ocean-ink);
  font-weight: 700;
}

.tooltip-stars {
  color: var(--coral-orange);
  letter-spacing: 1px;
}

.sandtable-metrics-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 32px;
}

.sandtable-metric-item {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  border: 1px solid #ffffff;
  border-radius: 20px;
  padding: 18px 20px;
  text-align: center;
  box-shadow: 0 12px 26px rgba(14, 165, 233, 0.12);
}

.sandtable-metric-value {
  font-size: 1.65rem;
  font-weight: 900;
  color: var(--deep-sea);
  line-height: 1.2;
}

.sandtable-metric-label {
  font-size: 0.88rem;
  color: var(--ocean-slate);
  margin-top: 4px;
}

/* ==========================================================================
   第三部分：核心优势 — 四张高低错落的 3D 磨砂玻璃小场景立体卡片
   ========================================================================== */
.advantages-section {
  position: relative;
  padding: 110px 0;
  background: linear-gradient(180deg, #F2FAFF 0%, #FFFFFF 50%, #EAF7FF 100%);
}

.advantages-staggered-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  align-items: start;
  perspective: 1200px;
}

.advantage-3d-card {
  position: relative;
  border-radius: 30px;
  padding: 28px 24px 32px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  border: 1.5px solid rgba(56, 189, 248, 0.35);
  box-shadow:
    0 28px 55px -12px rgba(14, 165, 233, 0.18),
    0 10px 22px -6px rgba(12, 45, 72, 0.07),
    inset 0 2px 4px #ffffff,
    inset 0 -3px 8px rgba(186, 230, 253, 0.45);
  transform-style: preserve-3d;
  transition: transform 0.22s ease-out, box-shadow 0.3s ease;
  will-change: transform;
}

/* 高低错落排列营造海洋韵律感 */
.advantage-3d-card:nth-child(2),
.advantage-3d-card:nth-child(4) {
  margin-top: 44px;
}

.advantage-3d-card:hover {
  box-shadow:
    0 36px 70px -12px rgba(2, 132, 199, 0.28),
    0 14px 28px -6px rgba(12, 45, 72, 0.1),
    inset 0 2px 5px #ffffff;
  border-color: rgba(14, 165, 233, 0.6);
}

.scene-diorama-box {
  position: relative;
  height: 210px;
  border-radius: 22px;
  overflow: hidden;
  margin-bottom: 24px;
  background: linear-gradient(180deg, #E0F2FE 0%, #BAE6FD 100%);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 14px 28px rgba(14, 165, 233, 0.16), inset 0 2px 6px rgba(255, 255, 255, 0.8);
  transform: translateZ(28px);
}

.scene-diorama-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  transition: transform 0.35s ease-out;
}

.advantage-3d-card:hover .scene-diorama-img {
  transform: scale(1.13) translate(var(--parallax-x, 0px), var(--parallax-y, 0px));
}

.scene-badge-floating {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  color: var(--deep-sea);
  font-size: 0.76rem;
  font-weight: 800;
  box-shadow: 0 6px 14px rgba(12, 45, 72, 0.12);
}

.advantage-card-body {
  transform: translateZ(18px);
}

.advantage-card-title {
  font-size: 1.32rem;
  font-weight: 800;
  color: var(--ocean-ink);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.advantage-card-desc {
  font-size: 0.95rem;
  color: var(--ocean-slate);
  line-height: 1.72;
  margin-bottom: 16px;
}

.advantage-meta-list {
  list-style: none;
  border-top: 1px dashed rgba(56, 189, 248, 0.35);
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.advantage-meta-list li {
  font-size: 0.86rem;
  color: var(--ocean-ink);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.advantage-meta-list li::before {
  content: "✦";
  color: var(--sea-blue);
  font-size: 0.8rem;
}

/* ==========================================================================
   第四部分：套餐价格 — 漂浮在浅蓝色海面上的白色小岛 + 真实水面倒影
   ========================================================================== */
.pricing-section {
  position: relative;
  padding: 110px 0 140px;
  background:
    radial-gradient(ellipse at 50% 80%, rgba(125, 211, 252, 0.45) 0%, transparent 70%),
    linear-gradient(180deg, #EAF7FF 0%, #D8F0FE 55%, #E8F7FF 100%);
  overflow: hidden;
}

.billing-toggle-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 64px;
}

.billing-pill-group {
  display: inline-flex;
  padding: 6px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid #ffffff;
  box-shadow: 0 10px 25px rgba(14, 165, 233, 0.14);
}

.billing-btn {
  padding: 9px 22px;
  border-radius: var(--radius-pill);
  border: none;
  background: transparent;
  color: var(--ocean-slate);
  font-weight: 700;
  font-size: 0.94rem;
  cursor: pointer;
  transition: all 0.25s ease;
}

.billing-btn.active {
  background: linear-gradient(135deg, #38BDF8 0%, #0284C7 100%);
  color: #ffffff;
  box-shadow: 0 6px 16px rgba(14, 165, 233, 0.35);
}

.billing-save-tag {
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--coral-soft);
  color: var(--coral-deep);
  font-size: 0.76rem;
  font-weight: 800;
  margin-left: 4px;
}

.pricing-islands-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
  align-items: stretch;
  position: relative;
  z-index: 3;
}

.pricing-island-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
}

/* 白色小岛套餐主体卡片 */
.pricing-island-card {
  position: relative;
  flex: 1;
  border-radius: 36px;
  padding: 38px 34px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(249, 252, 255, 0.92) 100%);
  border: 2px solid #ffffff;
  box-shadow: var(--shadow-island);
  display: flex;
  flex-direction: column;
  transition: transform 0.38s var(--transition-smooth), box-shadow 0.38s ease;
  z-index: 2;
}

.pricing-island-card:hover {
  transform: translateY(-10px);
}

/* 中间推荐套餐：位置略高、面积稍大、浅蓝光影 + 珊瑚橙热门选择标签 */
.pricing-island-wrap.featured-island {
  transform: translateY(-22px) scale(1.04);
  z-index: 5;
}

.pricing-island-wrap.featured-island .pricing-island-card {
  background: linear-gradient(180deg, #FFFFFF 0%, #F4FBFF 100%);
  border: 2px solid rgba(56, 189, 248, 0.75);
  box-shadow:
    0 36px 80px -10px rgba(14, 165, 233, 0.36),
    0 0 0 8px rgba(56, 189, 248, 0.14),
    inset 0 2px 5px #ffffff;
}

.pricing-island-wrap.featured-island:hover .pricing-island-card {
  transform: translateY(-10px);
}

.popular-coral-ribbon {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  padding: 7px 24px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, #FF8568 0%, #F45B3A 100%);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  box-shadow: 0 10px 22px rgba(244, 91, 58, 0.38), inset 0 1px 2px rgba(255, 255, 255, 0.65);
  white-space: nowrap;
}

/* 小岛底部水波纹环与真实水面倒影 */
.island-water-ring {
  position: absolute;
  left: -10px;
  right: -10px;
  bottom: 42px;
  height: 36px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(56, 189, 248, 0.32) 0%, rgba(14, 165, 233, 0.12) 60%, transparent 80%);
  border: 1.5px solid rgba(255, 255, 255, 0.75);
  z-index: 1;
  pointer-events: none;
  animation: islandWavePulse 4s ease-in-out infinite alternate;
}

@keyframes islandWavePulse {
  0% { transform: scaleX(0.96) scaleY(0.9); opacity: 0.7; }
  100% { transform: scaleX(1.04) scaleY(1.1); opacity: 1; }
}

.island-water-reflection {
  height: 54px;
  margin: -10px 14px 0;
  border-radius: 0 0 36px 36px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.52) 0%, rgba(186, 230, 253, 0.25) 55%, transparent 100%);
  filter: blur(4px);
  transform: scaleY(0.75);
  pointer-events: none;
  position: relative;
  overflow: hidden;
}

.island-water-reflection::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.35) 0px,
    rgba(255, 255, 255, 0.35) 3px,
    transparent 3px,
    transparent 8px
  );
}

.plan-island-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.plan-name {
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--ocean-ink);
}

.plan-icon-badge {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  background: var(--glacier-blue);
  color: var(--deep-sea);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.plan-tagline {
  font-size: 0.92rem;
  color: var(--ocean-slate);
  margin-bottom: 22px;
}

.plan-price-block {
  padding: 20px 22px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(230, 246, 254, 0.75) 0%, rgba(249, 252, 255, 0.9) 100%);
  border: 1px solid rgba(56, 189, 248, 0.28);
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.plan-currency {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--deep-sea);
}

.plan-amount {
  font-size: 2.75rem;
  font-weight: 900;
  color: var(--ocean-ink);
  line-height: 1;
}

.plan-period {
  font-size: 0.92rem;
  color: var(--ocean-muted);
  font-weight: 600;
}

.plan-specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 22px;
}

.plan-spec-pill {
  padding: 10px 12px;
  border-radius: 14px;
  background: #F8FCFF;
  border: 1px solid rgba(186, 230, 253, 0.65);
  font-size: 0.84rem;
}

.plan-spec-pill span {
  display: block;
  color: var(--ocean-muted);
  font-size: 0.76rem;
}

.plan-spec-pill strong {
  color: var(--ocean-ink);
  font-weight: 800;
}

.plan-feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 30px;
  flex: 1;
}

.plan-feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.94rem;
  color: var(--ocean-slate);
}

.plan-feature-list li svg {
  color: var(--sea-blue);
  flex-shrink: 0;
  margin-top: 4px;
}

/* ==========================================================================
   第五部分：海岸旅行路线使用流程 + Clash / Clash Party 教程与适合人群
   ========================================================================== */
.coastal-route-section {
  position: relative;
  padding: 110px 0;
  background: linear-gradient(180deg, #E8F7FF 0%, #FFFFFF 45%, #F2FAFF 100%);
  overflow: hidden;
}

.coastal-map-track {
  position: relative;
  padding: 40px 0 30px;
  margin-bottom: 70px;
}

/* 弯曲海岸蓝色航线 SVG 与滚动伴随小帆船 */
.coastal-route-svg-wrap {
  position: relative;
  width: 100%;
  height: 170px;
  margin-bottom: -85px;
  z-index: 2;
  pointer-events: none;
}

.coastal-route-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.coastal-route-bg-path {
  fill: none;
  stroke: rgba(186, 230, 253, 0.7);
  stroke-width: 10;
  stroke-linecap: round;
}

.coastal-route-active-path {
  fill: none;
  stroke: url(#coastalRouteGrad);
  stroke-width: 5;
  stroke-dasharray: 12 8;
  stroke-linecap: round;
  animation: routeFlow 20s linear infinite;
}

.scroll-sailboat-marker {
  position: absolute;
  top: 28px;
  left: 8%;
  width: 66px;
  height: 66px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--sea-blue);
  box-shadow: 0 14px 28px rgba(2, 132, 199, 0.28);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 6;
  transition: left 0.25s ease-out, top 0.25s ease-out, transform 0.25s ease-out;
}

.coastal-stops-grid {
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.coastal-stop-card {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
  border: 1.5px solid #ffffff;
  border-radius: 28px;
  padding: 28px 24px;
  box-shadow: var(--shadow-soft);
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.coastal-stop-card:nth-child(even) {
  margin-top: 32px;
}

.coastal-stop-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-3d);
}

.stop-station-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  background: var(--glacier-blue);
  color: var(--deep-sea);
  font-size: 0.8rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.stop-landmark-tag {
  font-size: 0.78rem;
  color: var(--coral-deep);
  font-weight: 700;
  margin-left: auto;
}

.stop-card-icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: linear-gradient(135deg, #E0F2FE 0%, #BAE6FD 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  box-shadow: inset 0 2px 3px #fff;
}

.stop-card-title {
  font-size: 1.22rem;
  font-weight: 800;
  color: var(--ocean-ink);
  margin-bottom: 10px;
}

.stop-card-desc {
  font-size: 0.92rem;
  color: var(--ocean-slate);
  line-height: 1.7;
}

/* Clash / Clash Party 交互式使用教程面板 */
.tutorial-workbench {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(20px);
  border: 1.5px solid #ffffff;
  border-radius: 34px;
  padding: 42px;
  box-shadow: var(--shadow-3d);
  margin-bottom: 80px;
}

.tutorial-tabs-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
  border-bottom: 1px solid rgba(186, 230, 253, 0.6);
  padding-bottom: 20px;
}

.tutorial-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(56, 189, 248, 0.3);
  background: #F8FCFF;
  color: var(--ocean-slate);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.25s ease;
}

.tutorial-tab-btn.active,
.tutorial-tab-btn:hover {
  background: linear-gradient(135deg, #38BDF8 0%, #0284C7 100%);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(14, 165, 233, 0.3);
}

.tutorial-tab-pane {
  display: none;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: center;
}

.tutorial-tab-pane.active {
  display: grid;
}

.tutorial-step-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.tutorial-step-item {
  display: flex;
  gap: 16px;
  padding: 18px 20px;
  border-radius: 20px;
  background: #F8FCFF;
  border: 1px solid rgba(186, 230, 253, 0.65);
}

.step-num-circle {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--sea-blue);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tutorial-code-box {
  background: #0C2D48;
  color: #E0F2FE;
  border-radius: 24px;
  padding: 26px;
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 0.86rem;
  line-height: 1.7;
  box-shadow: 0 18px 36px rgba(12, 45, 72, 0.22);
  overflow-x: auto;
}

/* 适合人群板块 */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.audience-card {
  padding: 28px 24px;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid #ffffff;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease;
}

.audience-card:hover {
  transform: translateY(-6px);
}

.audience-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--coral-soft);
  color: var(--coral-deep);
  font-size: 0.78rem;
  font-weight: 800;
  margin-bottom: 12px;
}

/* ==========================================================================
   第六部分：多设备支持 — 海边露台白色桌面与飘动白窗帘实景展示
   ========================================================================== */
.devices-terrace-section {
  position: relative;
  padding: 110px 0;
  background: linear-gradient(180deg, #F2FAFF 0%, #E0F2FE 50%, #F5FBFF 100%);
  overflow: hidden;
}

.terrace-showcase-frame {
  position: relative;
  border-radius: 40px;
  overflow: hidden;
  background: #ffffff;
  border: 3px solid #ffffff;
  box-shadow: var(--shadow-3d);
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  min-height: 540px;
}

.terrace-visual-side {
  position: relative;
  overflow: hidden;
  min-height: 440px;
}

.terrace-scene-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 轻轻摆动的海边白色纱帘动态覆盖层 */
.breeze-curtain-left,
.breeze-curtain-right {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 90px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.72) 0%, rgba(255, 255, 255, 0.25) 60%, transparent 100%);
  backdrop-filter: blur(2px);
  pointer-events: none;
  transform-origin: top center;
  animation: curtainBreeze 6s ease-in-out infinite alternate;
}

.breeze-curtain-right {
  right: 0;
  background: linear-gradient(-90deg, rgba(255, 255, 255, 0.72) 0%, rgba(255, 255, 255, 0.25) 60%, transparent 100%);
  animation-delay: -3s;
}

@keyframes curtainBreeze {
  0% { transform: skewX(0deg) scaleX(1); }
  100% { transform: skewX(-4deg) scaleX(1.18); }
}

.terrace-ui-overlay-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  padding: 16px 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  border: 1px solid #ffffff;
  box-shadow: 0 14px 30px rgba(12, 45, 72, 0.16);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.terrace-content-side {
  padding: 46px 42px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(240, 249, 255, 0.92) 100%);
}

.client-download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 26px 0 30px;
}

.client-dl-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 18px;
  background: #ffffff;
  border: 1px solid rgba(56, 189, 248, 0.3);
  box-shadow: 0 6px 16px rgba(14, 165, 233, 0.08);
  transition: all 0.25s ease;
}

.client-dl-card:hover {
  transform: translateY(-3px);
  border-color: var(--sea-blue);
  box-shadow: 0 12px 24px rgba(14, 165, 233, 0.16);
}

.client-dl-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--glacier-blue);
  color: var(--deep-sea);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  flex-shrink: 0;
}

.client-dl-info strong {
  display: block;
  font-size: 0.92rem;
  color: var(--ocean-ink);
}

.client-dl-info span {
  font-size: 0.78rem;
  color: var(--ocean-muted);
}

/* ==========================================================================
   第七部分：用户评价 — 漂浮在海面上的白色卡片 + 轻微上下浮动与水面倒影
   ========================================================================== */
.reviews-section {
  position: relative;
  padding: 110px 0 130px;
  background: linear-gradient(180deg, #F5FBFF 0%, #DCF1FE 60%, #EBF8FF 100%);
  overflow: hidden;
}

.reviews-floating-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.review-buoy-wrap {
  display: flex;
  flex-direction: column;
  animation: bobbingCard 6s ease-in-out infinite;
}

.review-buoy-wrap:nth-child(2) { animation-delay: -2s; }
.review-buoy-wrap:nth-child(3) { animation-delay: -4s; }

@keyframes bobbingCard {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-9px); }
}

.review-floating-card {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  border: 1.5px solid #ffffff;
  border-radius: 28px;
  padding: 30px 28px;
  box-shadow: var(--shadow-island);
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-water-reflection {
  height: 38px;
  margin: -6px 18px 0;
  border-radius: 0 0 28px 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.48) 0%, rgba(186, 230, 253, 0.18) 65%, transparent 100%);
  filter: blur(3px);
  pointer-events: none;
}

.review-quote-text {
  font-size: 0.97rem;
  color: var(--ocean-slate);
  line-height: 1.78;
  margin-bottom: 22px;
}

.review-author-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid rgba(186, 230, 253, 0.55);
}

.review-author-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #38BDF8 0%, #0284C7 100%);
  color: #ffffff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   第八部分：常见问题 FAQ & 10 篇深度 SEO 文章目录
   ========================================================================== */
.faq-section {
  padding: 100px 0;
  background: #F9FCFF;
}

.faq-accordion-list {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  border-radius: 22px;
  background: #ffffff;
  border: 1px solid rgba(56, 189, 248, 0.28);
  box-shadow: 0 10px 26px rgba(14, 165, 233, 0.08);
  overflow: hidden;
  transition: all 0.28s ease;
}

.faq-item[open] {
  border-color: var(--sea-blue);
  box-shadow: 0 16px 36px rgba(14, 165, 233, 0.15);
}

.faq-question {
  padding: 22px 26px;
  font-size: 1.06rem;
  font-weight: 800;
  color: var(--ocean-ink);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.faq-question::after {
  content: "+";
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--glacier-blue);
  color: var(--deep-sea);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  flex-shrink: 0;
  transition: transform 0.25s ease, background 0.25s ease;
}

.faq-item[open] .faq-question::after {
  content: "−";
  background: var(--sea-blue);
  color: #ffffff;
}

.faq-answer {
  padding: 0 26px 24px;
  color: var(--ocean-slate);
  font-size: 0.96rem;
  line-height: 1.8;
  border-top: 1px dashed rgba(186, 230, 253, 0.55);
  padding-top: 16px;
}

/* SEO 专栏文章目录网格 */
.articles-hub-section {
  padding: 100px 0 120px;
  background: linear-gradient(180deg, #F9FCFF 0%, #EBF8FF 100%);
}

.article-filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 42px;
}

.article-filter-btn {
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(56, 189, 248, 0.32);
  background: #ffffff;
  color: var(--ocean-slate);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.25s ease;
}

.article-filter-btn.active,
.article-filter-btn:hover {
  background: var(--sea-blue);
  color: #ffffff;
  border-color: var(--sea-blue);
}

.articles-directory-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.article-dir-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.92);
  border: 1.5px solid #ffffff;
  box-shadow: var(--shadow-soft);
  transition: all 0.32s var(--transition-smooth);
}

.article-dir-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-3d);
  border-color: rgba(56, 189, 248, 0.55);
}

.article-dir-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.8rem;
  color: var(--ocean-muted);
}

.article-cat-badge {
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  background: var(--glacier-blue);
  color: var(--deep-sea);
  font-weight: 800;
}

.article-dir-title {
  font-size: 1.22rem;
  font-weight: 800;
  color: var(--ocean-ink);
  line-height: 1.42;
  margin-bottom: 12px;
}

.article-dir-title a {
  color: inherit;
}

.article-dir-title a:hover {
  color: var(--deep-sea);
}

.article-dir-excerpt {
  font-size: 0.93rem;
  color: var(--ocean-slate);
  line-height: 1.72;
  margin-bottom: 20px;
}

.article-dir-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid rgba(186, 230, 253, 0.5);
  font-size: 0.86rem;
}

.article-read-more {
  font-weight: 800;
  color: var(--deep-sea);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ==========================================================================
   最后的行动区域 CTA：傍晚前明亮海岸场景 + 云层阳光与地平线航线
   ========================================================================== */
.coastal-cta-section {
  position: relative;
  padding: 130px 0;
  background-image: url('../assets/images/cta-sunset-coast.png');
  background-size: cover;
  background-position: center;
  overflow: hidden;
  text-align: center;
}

.coastal-cta-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 25%, rgba(255, 250, 235, 0.55) 0%, rgba(14, 165, 233, 0.32) 55%, rgba(12, 45, 72, 0.58) 100%);
  z-index: 1;
}

.coastal-cta-horizon-svg {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 220px;
  width: 100%;
  z-index: 2;
  pointer-events: none;
}

.coastal-cta-box {
  position: relative;
  z-index: 3;
  max-width: 780px;
  margin: 0 auto;
  padding: 54px 44px;
  border-radius: 38px;
  background: rgba(255, 255, 255, 0.84);
  backdrop-filter: blur(22px) saturate(175%);
  border: 2px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 35px 80px rgba(12, 45, 72, 0.25), inset 0 2px 4px #ffffff;
}

.coastal-cta-title {
  font-size: clamp(2rem, 3.6vw, 2.85rem);
  font-weight: 900;
  color: var(--ocean-ink);
  margin-bottom: 14px;
  line-height: 1.25;
}

.coastal-cta-sub {
  font-size: 1.15rem;
  color: var(--ocean-slate);
  margin-bottom: 32px;
}

/* ==========================================================================
   页脚网站地图 Footer
   ========================================================================== */
.site-footer {
  background: #0C2D48;
  color: #BAE6FD;
  padding: 80px 0 40px;
  position: relative;
  overflow: hidden;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 36px;
  margin-bottom: 54px;
}

.footer-brand-desc {
  margin: 16px 0 22px;
  font-size: 0.92rem;
  color: #93C5FD;
  line-height: 1.75;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #BAE6FD;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: #ffffff;
  transform: translateX(3px);
  display: inline-block;
}

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(186, 230, 253, 0.16);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.86rem;
  color: #7DD3FC;
}

/* ==========================================================================
   内页通用样式 & 教程对照卡：SEO 文章详情页 (articles/*.html) 与法律条款页
   ========================================================================== */

/* 首页教程右侧：新手可视化配置对照卡（替代晦涩英文代码框，无横向滚动条） */
.tutorial-visual-card {
  background: linear-gradient(145deg, #F0F9FF 0%, #FFFFFF 60%, #E0F2FE 100%);
  border: 1.5px solid #BAE6FD;
  border-radius: 26px;
  padding: 26px 24px;
  box-shadow: 0 16px 36px rgba(14, 165, 233, 0.12), inset 0 2px 3px #ffffff;
}

.visual-card-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px dashed rgba(14, 165, 233, 0.32);
}

.visual-card-title {
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--ocean-ink);
}

.visual-card-badge {
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: #DCFCE7;
  color: #15803D;
  font-size: 0.78rem;
  font-weight: 800;
}

.visual-setting-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.visual-setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 16px;
  border-radius: 16px;
  background: #FFFFFF;
  border: 1px solid rgba(186, 230, 253, 0.85);
  box-shadow: 0 4px 12px rgba(12, 45, 72, 0.04);
}

.visual-setting-row strong {
  display: block;
  font-size: 0.94rem;
  font-weight: 800;
  color: var(--ocean-ink);
  margin-bottom: 2px;
}

.visual-setting-row span {
  display: block;
  font-size: 0.82rem;
  color: var(--ocean-slate);
  line-height: 1.45;
}

.setting-pill {
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 800;
  white-space: nowrap;
  flex-shrink: 0;
}

.setting-pill.pill-blue {
  background: #E0F2FE;
  color: #0284C7;
  border: 1px solid #BAE6FD;
}

.setting-pill.pill-green {
  background: #DCFCE7;
  color: #15803D;
  border: 1px solid #BBF7D0;
}

.setting-pill.pill-coral {
  background: #FFF0EC;
  color: #E11D48;
  border: 1px solid #FECDD3;
}

/* 面包屑与文章容器统一浅色海洋高对比度主题 */
.breadcrumb-nav {
  padding: 112px 0 20px;
  font-size: 0.92rem;
  color: var(--ocean-ink);
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  color: var(--ocean-slate);
}

.breadcrumb-list a {
  color: var(--deep-sea);
  font-weight: 700;
}

.breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--ocean-muted);
}

.article-page-container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 34px;
  padding-top: 12px;
  padding-bottom: 90px;
  align-items: start;
}

.glass-card {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(18px);
  border: 1.5px solid #ffffff;
  border-radius: 30px;
  box-shadow: var(--shadow-soft);
}

.article-main {
  padding: 44px 48px;
  background: #FFFFFF;
  color: var(--ocean-ink);
}

.article-main h1,
.article-header h1,
.article-title {
  font-size: clamp(1.75rem, 2.8vw, 2.35rem);
  font-weight: 900;
  color: #0C2D48 !important;
  line-height: 1.35;
  margin: 14px 0 18px;
}

.article-meta-bar,
.article-meta-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid #E0F2FE;
  font-size: 0.88rem;
  color: #335C7D;
}

.article-badge,
.category-badge {
  display: inline-block;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  background: #E0F2FE;
  color: #0284C7;
  font-weight: 800;
  font-size: 0.82rem;
  border: 1px solid #BAE6FD;
}

.article-lead {
  font-size: 1.06rem;
  color: #1E3A5F !important;
  background: #F0F9FF;
  border-left: 4px solid #0EA5E9;
  padding: 18px 22px;
  border-radius: 14px;
  margin-bottom: 22px;
  line-height: 1.82;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.tag,
.tag-pill {
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: #F0F9FF;
  border: 1px solid #BAE6FD;
  color: #0284C7;
  font-size: 0.8rem;
  font-weight: 700;
}

.article-hero-banner {
  border-radius: 22px;
  overflow: hidden;
  margin: 0 0 32px;
  border: 1.5px solid #E0F2FE;
  background: #F0F9FF;
  box-shadow: 0 16px 36px rgba(14, 165, 233, 0.14);
}

.article-hero-banner img {
  width: 100%;
  max-height: 380px;
  object-fit: cover;
}

.article-hero-banner figcaption {
  padding: 10px 16px;
  font-size: 0.84rem;
  color: #335C7D;
  background: #F8FCFF;
  text-align: center;
  border-top: 1px solid #E0F2FE;
}

.article-main h2,
.article-body h2,
.article-content h2 {
  font-size: 1.48rem;
  font-weight: 900;
  color: #0C2D48 !important;
  margin: 38px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--sea-blue);
  line-height: 1.35;
}

.article-main h3,
.article-body h3,
.article-content h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: #0284C7 !important;
  margin: 26px 0 12px;
}

.article-main p,
.article-body p,
.article-content p {
  margin-bottom: 18px;
  color: #1E3A5F !important;
  font-size: 1.02rem;
  line-height: 1.85;
}

.article-main ul,
.article-main ol,
.article-body ul,
.article-body ol,
.article-content ul,
.article-content ol {
  margin: 0 0 22px 24px;
  color: #1E3A5F !important;
}

.article-main li,
.article-body li,
.article-content li {
  margin-bottom: 10px;
  line-height: 1.82;
  color: #1E3A5F !important;
  font-size: 1rem;
}

.article-main li strong,
.article-body li strong,
.article-content li strong,
.article-main p strong {
  color: #0C2D48 !important;
  font-weight: 800;
}

.table-responsive {
  overflow-x: auto;
  margin: 24px 0 30px;
  border-radius: 16px;
  border: 1px solid #BAE6FD;
  box-shadow: 0 6px 20px rgba(14, 165, 233, 0.08);
}

.article-main table,
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0;
  background: #FFFFFF;
}

.article-main th,
.comparison-table th {
  background: #E0F2FE !important;
  color: #0C2D48 !important;
  font-weight: 800;
  text-align: left;
  padding: 14px 16px;
  font-size: 0.93rem;
  border-bottom: 2px solid #BAE6FD;
}

.article-main td,
.comparison-table td {
  padding: 13px 16px;
  border-bottom: 1px solid #E0F2FE;
  color: #1E3A5F !important;
  font-size: 0.93rem;
  background: #FFFFFF !important;
}

.article-main tr:nth-child(even) td,
.comparison-table tr:nth-child(even) td {
  background: #F8FCFF !important;
}

/* 文章内代码与配置块：采用清爽冰川蓝底色 + 深海蓝文字 + 自动换行无横向滚动条 */
.article-main pre,
.article-main code,
.code-snippet {
  font-family: "Microsoft YaHei", "JetBrains Mono", Consolas, monospace;
}

.article-main code {
  background: #E0F2FE;
  color: #0284C7;
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 0.9em;
  font-weight: 700;
}

.article-main pre,
.code-snippet {
  background: #F0F9FF !important;
  color: #0C2D48 !important;
  border: 1.5px solid #BAE6FD !important;
  padding: 20px 22px;
  border-radius: 18px;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: hidden;
  margin: 20px 0 26px;
  font-size: 0.92rem;
  line-height: 1.75;
  box-shadow: inset 0 2px 4px #ffffff;
}

.article-main pre code,
.code-snippet code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.article-callout,
.callout,
.callout-box {
  padding: 20px 24px;
  border-radius: 18px;
  background: #F0F9FF !important;
  border: 1px solid #BAE6FD;
  border-left: 5px solid #0EA5E9 !important;
  margin: 24px 0;
  color: #1E3A5F !important;
}

.callout-box.tip,
.callout-tip {
  background: #ECFDF5 !important;
  border-color: #A7F3D0;
  border-left-color: #10B981 !important;
}

.callout-warning {
  background: #FFF7ED !important;
  border-color: #FED7AA;
  border-left-color: #F97316 !important;
}

.callout strong,
.callout-box strong,
.article-callout strong {
  color: #0C2D48 !important;
  font-weight: 800;
}

.article-faq-section {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 2px dashed rgba(56, 189, 248, 0.4);
}

.article-cta-banner,
.article-cta-card {
  margin-top: 42px;
  padding: 36px 32px;
  border-radius: 26px;
  background: linear-gradient(135deg, #E0F2FE 0%, #BAE6FD 100%) !important;
  border: 2px solid #ffffff;
  box-shadow: 0 18px 40px rgba(14, 165, 233, 0.16);
  text-align: center;
  color: #0C2D48 !important;
}

.article-cta-card h2,
.article-cta-card h3,
.article-cta-banner h2,
.article-cta-banner h3 {
  color: #0C2D48 !important;
  border: none !important;
  padding: 0 !important;
  margin: 0 0 12px !important;
}

.article-cta-card p,
.article-cta-banner p {
  color: #1E3A5F !important;
  margin-bottom: 22px !important;
}

.cta-buttons,
.cta-btn-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* 套餐卡片底部静态说明栏（非跳转链接，温和简洁） */
.plan-static-note {
  width: 100%;
  padding: 13px 20px;
  border-radius: var(--radius-pill);
  background: #F4FAFF;
  border: 1px solid #D6EEFD;
  color: var(--ocean-slate);
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
  user-select: none;
}

.plan-static-note.featured-note {
  background: #E8F6FE;
  border-color: #BAE6FD;
  color: var(--ocean-ink);
}

.btn-cta-primary,
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 24px;
  border-radius: var(--radius-pill);
  background: rgba(224, 242, 254, 0.95);
  color: #0C2D48 !important;
  border: 1px solid rgba(56, 189, 248, 0.45);
  font-weight: 600;
  text-decoration: none !important;
  box-shadow: 0 6px 16px rgba(12, 45, 72, 0.08);
  transition: all 0.25s ease;
}

.btn-cta-primary:hover,
.btn-primary:hover {
  background: #D2EEFE;
  color: #0284C7 !important;
  transform: translateY(-1px);
}

.btn-cta-secondary,
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 26px;
  border-radius: var(--radius-pill);
  background: #ffffff;
  color: #0C2D48 !important;
  border: 1px solid #38BDF8;
  font-weight: 700;
  text-decoration: none !important;
}

.article-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-card {
  padding: 26px 24px;
  background: rgba(255, 255, 255, 0.95) !important;
  border: 1.5px solid #ffffff !important;
  border-radius: 26px;
  box-shadow: var(--shadow-soft);
  color: #0C2D48 !important;
}

.sidebar-card h3,
.sidebar-title {
  font-size: 1.08rem;
  font-weight: 800;
  color: #0C2D48 !important;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid #E0F2FE;
}

.sidebar-links,
.toc-list,
.related-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.sidebar-links a,
.toc-list a,
.related-list a {
  font-size: 0.9rem;
  color: #1E3A5F !important;
  display: block;
  line-height: 1.5;
  text-decoration: none;
}

.sidebar-links a:hover,
.toc-list a:hover,
.related-list a:hover {
  color: #0284C7 !important;
  transform: translateX(3px);
}

.promo-features {
  list-style: none;
  margin: 14px 0 20px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.promo-features li {
  font-size: 0.88rem;
  color: #1E3A5F !important;
}

.btn-block {
  width: 100%;
  margin-bottom: 10px;
}

/* ==========================================================================
   响应式与移动端适配
   ========================================================================== */
@media (max-width: 1100px) {
  .hero-container,
  .terrace-showcase-frame,
  .article-page-container {
    grid-template-columns: 1fr;
  }

  .advantages-staggered-grid,
  .coastal-stops-grid,
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .advantage-3d-card:nth-child(2),
  .advantage-3d-card:nth-child(4),
  .coastal-stop-card:nth-child(even) {
    margin-top: 0;
  }

  .pricing-islands-grid,
  .reviews-floating-grid {
    grid-template-columns: 1fr;
    max-width: 540px;
    margin: 0 auto;
  }

  .pricing-island-wrap.featured-island {
    transform: none;
  }

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 82px;
    left: 16px;
    right: 16px;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(20px);
    padding: 20px;
    border-radius: 24px;
    box-shadow: 0 20px 45px rgba(12, 45, 72, 0.18);
  }

  .nav-links.mobile-open {
    display: flex;
  }

  .mobile-menu-toggle {
    display: inline-flex;
  }

  .hero-section {
    padding: 115px 0 130px;
  }

  .hero-copy-card,
  .article-main,
  .tutorial-workbench {
    padding: 28px 22px;
  }

  .globe-3d-wrapper {
    width: 320px;
    height: 320px;
  }

  .relief-map-container {
    height: 340px;
  }

  .sandtable-metrics-bar,
  .advantages-staggered-grid,
  .coastal-stops-grid,
  .audience-grid,
  .articles-directory-grid,
  .client-download-grid,
  .tutorial-tab-pane.active,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .coastal-route-svg-wrap {
    display: none;
  }

  .visual-setting-row {
    flex-direction: column;
    align-items: flex-start;
  }
}