/* ==================================================================
   轻松邮官网 v9 —「晴空邮路」共享设计系统
   白底 + 邮政蓝主色 + 航空红蓝斜纹签名元素；系统字体，零外部依赖
   所有页面共用本文件，改一处全站生效。
   ================================================================== */
:root {
  --ink: #0c1830;
  --ink-2: #3d4a63;
  --ink-3: #67748f;
  --ink-4: #97a2b8;
  --line: #e2e9f5;
  --line-2: #edf1f9;
  --blue: #2457ff;
  --blue-deep: #1740d6;
  --blue-ink: #0e2a8c;
  --blue-soft: #eef3ff;
  --blue-tint: #f5f8ff;
  --sky: #dbe9ff;
  --red: #ef3b2d;
  --red-soft: #fdeeec;
  --green: #0a9c66;
  --green-soft: #e9f9f2;
  --amber: #c47f00;
  --amber-soft: #fff7e6;
  --r-lg: 20px;
  --r: 14px;
  --r-sm: 10px;
  --shadow: 0 1px 1px rgba(12, 34, 84, 0.055), 0 4px 10px -4px rgba(12, 34, 84, 0.06), 0 16px 36px -12px rgba(12, 34, 84, 0.14);
  --shadow-lg: 0 1px 2px rgba(12, 34, 84, 0.06), 0 10px 24px -10px rgba(12, 34, 84, 0.11), 0 36px 84px -20px rgba(12, 34, 84, 0.24);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI",
    "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei UI",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, "JetBrains Mono", monospace;
  --hand: "Kaiti SC", "KaiTi", "STKaiti", "DFKai-SB", cursive;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-2);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* -- 全站纸感颗粒：一层静态印刷噪点压住大面积平涂的塑料感。
      盖住页面与导航（z150），但在客服弹窗（z200）之下；静态合成层，零重绘 -- */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 150;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  mix-blend-mode: multiply;
  opacity: 0.035;
  pointer-events: none;
}

/* -- 选中、聚焦、滚动条：细节处保持邮政蓝的一致性 -- */
::selection { background: var(--blue); color: #fff; }

:focus-visible { outline: 2.5px solid rgba(36, 87, 255, 0.45); outline-offset: 3px; }

html { scrollbar-color: #c3cfe6 transparent; }
::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { border: 3.5px solid transparent; border-radius: 99px; background: #c3cfe6 content-box; }
::-webkit-scrollbar-thumb:hover { background: #a9b9d8 content-box; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }

/* -- 航空斜纹(签名元素) -- */
.airmail {
  height: 7px;
  background: repeating-linear-gradient(-45deg,
    var(--red) 0 13px, #fff 13px 26px,
    var(--blue) 26px 39px, #fff 39px 52px);
}

/* -- 通用文字部件 -- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  color: var(--blue-deep);
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 6px;
  border-radius: 2px;
  background: repeating-linear-gradient(-45deg,
    var(--red) 0 5px, #fff 5px 9px, var(--blue) 9px 14px, #fff 14px 18px);
}

h2.sec-title {
  color: var(--ink);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h2.sec-title em {
  font-style: normal;
  color: var(--blue);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='9' viewBox='0 0 120 9'%3E%3Cpath d='M2 6.5 Q 12 1.5 22 5.5 T 42 5.5 T 62 5.5 T 82 5.5 T 102 5.5 T 118 4.5' fill='none' stroke='%232457ff' stroke-opacity='0.38' stroke-width='2.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: 100% 0.14em;
  background-position: 0 99%;
  padding-bottom: 0.1em;
}

.sec-lede {
  max-width: 640px;
  margin-top: 14px;
  color: var(--ink-3);
  font-size: 16.5px;
}

.sec { padding: 104px 0; }
.sec-tight { padding: 80px 0; }
.center { text-align: center; }
.center .sec-lede { margin-left: auto; margin-right: auto; }
.center .eyebrow { justify-content: center; }

/* -- 按钮 -- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 15.5px;
  font-weight: 650;
  line-height: 1.4;
  transition: transform 0.15s var(--ease), box-shadow 0.15s var(--ease),
    background 0.15s var(--ease), border-color 0.15s var(--ease), color 0.15s var(--ease);
}

.btn svg { width: 17px; height: 17px; }

.btn-solid {
  background: linear-gradient(180deg, #3f6dff 0%, var(--blue) 52%, #1e4bec 100%);
  color: #fff;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.24),
    inset 0 -1px 0 rgba(10, 24, 74, 0.24),
    0 1px 2px rgba(10, 24, 74, 0.2),
    0 8px 20px -6px rgba(36, 87, 255, 0.5);
}

.btn-solid:hover {
  background: linear-gradient(180deg, #4a76ff 0%, #2e5eff 52%, var(--blue-deep) 100%);
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    inset 0 -1px 0 rgba(10, 24, 74, 0.24),
    0 2px 4px rgba(10, 24, 74, 0.16),
    0 14px 28px -8px rgba(36, 87, 255, 0.55);
}

.btn-ghost {
  border-color: rgba(18, 47, 110, 0.16);
  background: linear-gradient(180deg, #ffffff, #f7faff);
  color: var(--ink);
  box-shadow: inset 0 1px 0 #fff, 0 1px 2px rgba(12, 34, 84, 0.06), 0 6px 16px -8px rgba(12, 34, 84, 0.1);
}

.btn-ghost:hover {
  border-color: rgba(36, 87, 255, 0.45);
  background: linear-gradient(180deg, #ffffff, #f2f6ff);
  color: var(--blue-deep);
  transform: translateY(-2px);
  box-shadow: inset 0 1px 0 #fff, 0 2px 4px rgba(12, 34, 84, 0.05), 0 12px 24px -10px rgba(36, 87, 255, 0.22);
}

.btn:active { transform: translateY(0) scale(0.985); transition-duration: 0.06s; }

.btn-sm { padding: 9px 18px; font-size: 14px; border-radius: 10px; }

/* ================= 导航 ================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.82));
  -webkit-backdrop-filter: saturate(1.8) blur(18px);
  backdrop-filter: saturate(1.8) blur(18px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.site-header.scrolled { border-bottom-color: rgba(210, 222, 244, 0.9); box-shadow: 0 8px 28px -10px rgba(12, 34, 84, 0.1); }

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 68px;
}

.logo { display: inline-flex; align-items: center; gap: 10px; }

.logo img { height: 42px; width: auto; display: block; }
.site-footer .logo img { height: 38px; }

.logo-mark {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: var(--blue);
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(36, 87, 255, 0.3);
}

.logo-mark svg { width: 19px; height: 19px; }

.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-text .cn { color: var(--ink); font-size: 17.5px; font-weight: 800; letter-spacing: 0.02em; }
.logo-text .en { color: var(--ink-4); font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.24em; }

.main-nav ul { display: flex; gap: 4px; }

.main-nav a {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 9px;
  color: var(--ink-2);
  font-size: 14.5px;
  font-weight: 550;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
}

.main-nav a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.main-nav a.active { background: var(--blue-soft); color: var(--blue-deep); }

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

.nav-login { color: var(--ink-2); font-size: 14.5px; font-weight: 550; padding: 8px 10px; border-radius: 9px; }
.nav-login:hover { color: var(--blue-deep); background: var(--blue-soft); }

.burger {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4.5px;
}

.burger span { width: 16px; height: 1.8px; border-radius: 2px; background: var(--ink); transition: transform 0.2s var(--ease), opacity 0.2s var(--ease); }
.burger.open span:nth-child(1) { transform: translateY(6.3px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-6.3px) rotate(-45deg); }

.mobile-nav {
  position: fixed;
  top: 68px; left: 0; right: 0;
  z-index: 99;
  display: none;
  padding: 10px 24px 26px;
  background: #fff;
  border-bottom: 1px solid var(--line-2);
  box-shadow: 0 24px 48px rgba(12, 34, 84, 0.1);
}

.mobile-nav.open { display: block; }
.mobile-nav a { display: block; padding: 13px 4px; border-bottom: 1px solid var(--line-2); color: var(--ink); font-size: 15.5px; font-weight: 600; }
.mobile-nav .m-cta { display: flex; gap: 10px; margin-top: 18px; }
.mobile-nav .m-cta .btn { flex: 1; }

/* ================= HERO（首页） ================= */
.hero {
  position: relative;
  padding: 158px 0 96px;
  background: linear-gradient(180deg, #eef4ff 0%, #ffffff 84%);
  overflow: hidden;
}

/* -- 晴空流光：极光色盘 + 四片渐变光域缓慢交融 + 掠光/追光，只动 transform 与 opacity -- */
.hero-sky {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

/* 光域整体载体：脚本据鼠标位置做轻微视差平移 */
.hero-sky .sky-drift {
  position: absolute;
  inset: 0;
  will-change: transform;
}

.hero-sky i {
  position: absolute;
  border-radius: 50%;
  will-change: transform;
}

/* 极光色盘：巨大锥形渐变圆盘悬在天顶缓慢自转，让天空色相持续流动 */
.hero-sky .aur {
  top: -130%;
  left: -24%;
  width: 150%;
  aspect-ratio: 1;
  background: conic-gradient(from 224deg at 50% 50%,
    rgba(36, 87, 255, 0) 0deg,
    rgba(36, 87, 255, 0.20) 62deg,
    rgba(125, 168, 255, 0.32) 128deg,
    rgba(157, 205, 255, 0.22) 178deg,
    rgba(255, 118, 92, 0.14) 226deg,
    rgba(64, 110, 255, 0.22) 292deg,
    rgba(36, 87, 255, 0) 360deg);
  -webkit-mask-image: radial-gradient(closest-side, #000 56%, transparent 96%);
  mask-image: radial-gradient(closest-side, #000 56%, transparent 96%);
  filter: blur(52px);
  animation: sky-aurora 76s linear infinite;
}

@keyframes sky-aurora {
  0% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(180deg) scale(1.08); }
  100% { transform: rotate(360deg) scale(1); }
}

/* 掠光：一道柔和斜光带每十几秒扫过天空，似阳光掠过纸面 */
.hero-sky .beam {
  top: -30%;
  left: 0;
  width: 26%;
  height: 160%;
  border-radius: 0;
  background: linear-gradient(90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.72) 42%,
    rgba(214, 232, 255, 0.5) 58%,
    rgba(255, 255, 255, 0) 100%);
  filter: blur(22px);
  transform: translate3d(-170%, 0, 0) rotate(17deg);
  opacity: 0;
  animation: sky-beam 16s linear 2.5s infinite;
}

@keyframes sky-beam {
  0% { transform: translate3d(-170%, 0, 0) rotate(17deg); opacity: 0; }
  10% { opacity: 0.45; }
  38% { opacity: 0.45; }
  52% { transform: translate3d(520%, 0, 0) rotate(17deg); opacity: 0; }
  100% { transform: translate3d(520%, 0, 0) rotate(17deg); opacity: 0; }
}

/* 追光：跟随鼠标的柔光斑，脚本仅以 transform 驱动（合成器层，零重绘） */
.hero-sky .glow {
  top: 0;
  left: 0;
  width: 940px;
  height: 780px;
  margin: -390px 0 0 -470px;
  background: radial-gradient(closest-side, rgba(96, 141, 255, 0.2), rgba(96, 141, 255, 0) 78%);
  opacity: 0;
  transition: opacity 0.7s var(--ease);
  will-change: transform, opacity;
}

.hero.is-lit .glow { opacity: 1; }

.hero-sky .b1 {
  top: -32%; right: -14%;
  width: 880px; height: 740px;
  background: radial-gradient(closest-side, rgba(36, 87, 255, 0.26), rgba(36, 87, 255, 0) 68%);
  animation: sky-b1 24s ease-in-out infinite alternate;
}

.hero-sky .b2 {
  top: -20%; left: -18%;
  width: 960px; height: 820px;
  background: radial-gradient(closest-side, rgba(125, 168, 255, 0.38), rgba(125, 168, 255, 0) 72%);
  animation: sky-b2 30s ease-in-out infinite alternate;
}

.hero-sky .b3 {
  top: -30%; left: 38%;
  width: 720px; height: 600px;
  background: radial-gradient(closest-side, rgba(255, 118, 92, 0.2), rgba(255, 118, 92, 0) 70%);
  animation: sky-b3 20s ease-in-out infinite alternate;
}

.hero-sky .b4 {
  bottom: -46%; right: 6%;
  width: 820px; height: 700px;
  background: radial-gradient(closest-side, rgba(96, 141, 255, 0.2), rgba(96, 141, 255, 0) 72%);
  animation: sky-b2 36s ease-in-out infinite alternate-reverse;
}

@keyframes sky-b1 {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(-90px, 70px, 0) scale(1.1); }
}

@keyframes sky-b2 {
  from { transform: translate3d(0, 0, 0) scale(1.06); }
  to { transform: translate3d(110px, -50px, 0) scale(1); }
}

@keyframes sky-b3 {
  from { transform: translate3d(-60px, -20px, 0) scale(1); }
  to { transform: translate3d(70px, 40px, 0) scale(1.14); }
}

/* 顶部细网点：印刷半调质感，向下淡出 */
.hero-sky::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(36, 87, 255, 0.18) 1px, transparent 1.4px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 60%);
  mask-image: linear-gradient(180deg, #000, transparent 60%);
}

/* 底部融入正文白底 */
.hero-sky::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 52%, #ffffff 97%);
}

.hero-route {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%; height: 100%;
  color: rgba(36, 87, 255, 0.4);
  pointer-events: none;
}

.hero-route .dash { stroke-dasharray: 3 11; animation: route-flow 26s linear infinite; }
.hero-route .dash-far { stroke-dasharray: 2 8; opacity: 0.42; animation-duration: 40s; }

@keyframes route-flow { to { stroke-dashoffset: -700; } }

/* 航点：沿线节点呼吸脉冲，终点站为航空红信标 */
.hero-route .wpt .core { fill: var(--blue); opacity: 0.5; }

.hero-route .wpt .ring {
  fill: none;
  stroke: var(--blue);
  stroke-width: 1.3;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  animation: wpt-ping 4.6s cubic-bezier(0.2, 0.6, 0.36, 1) var(--d, 0s) infinite;
}

.hero-route .wpt-dest .core { fill: var(--red); opacity: 0.55; }
.hero-route .wpt-dest .ring { stroke: var(--red); }

@keyframes wpt-ping {
  0% { transform: scale(0.4); opacity: 0.55; }
  70% { transform: scale(3); opacity: 0; }
  100% { transform: scale(3); opacity: 0; }
}

/* 纸飞机沿航线巡航：SMIL 驱动、随路径转向；reduced-motion 下整组隐藏 */
.hero-route .route-plane { color: var(--blue); opacity: 0.55; }
.hero-route .route-plane path { fill: currentColor; }
.hero-route .route-plane line { stroke: currentColor; stroke-width: 1.2; stroke-linecap: round; opacity: 0.45; }
.hero-route .route-plane-far { opacity: 0.3; }

@media (prefers-reduced-motion: reduce) {
  .hero-sky i,
  .hero-route .dash { animation: none; }
  .hero-sky .beam,
  .hero-sky .glow,
  .hero-route .route-plane { display: none; }
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 48px;
  align-items: center;
}

.hero-copy .eyebrow { margin-bottom: 22px; }

.hero-title {
  display: grid;
  justify-items: start;
  width: max-content;
  max-width: 100%;
  color: var(--ink);
  font-size: clamp(64px, 7.15vw, 98px);
  font-weight: 850;
  line-height: 1;
  letter-spacing: -0.048em;
}

.hero-title-line {
  position: relative;
  display: flex;
  align-items: baseline;
  width: max-content;
  isolation: isolate;
}

.hero-title-line + .hero-title-line { margin-top: 0.12em; }

.hero-title-char {
  display: inline-block;
}

.hero-title-line-screen { color: var(--ink); }

.hero-title-comma {
  margin-left: 0.075em;
  color: var(--blue);
  font-size: 0.44em;
  font-weight: 800;
  transform: translateY(-0.04em);
}

.hero-title-line-reach {
  color: var(--blue);
}

.hero-title-period {
  margin-left: 0.055em;
  color: currentColor;
  font-size: 0.42em;
  font-weight: 800;
  transform: translateY(-0.04em);
}

.hero-title-line-reach::after {
  content: "";
  position: absolute;
  left: 0.04em;
  bottom: -0.12em;
  width: 2.1em;
  height: 0.045em;
  border-radius: 999px;
  background: var(--blue);
  transform-origin: left center;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-title-line {
    opacity: 0;
    transform: translate3d(-0.12em, 0.12em, 0);
    animation: hero-title-line-in 0.72s var(--ease) forwards;
    will-change: transform, opacity;
  }

  .hero-title-line-screen { animation-delay: 0.12s; }
  .hero-title-line-reach { animation-delay: 0.3s; }

  .hero-title-line-reach::after {
    opacity: 0;
    transform: scaleX(0);
    animation: hero-title-route-in 0.44s var(--ease) 0.88s forwards;
    will-change: transform, opacity;
  }
}

@keyframes hero-title-line-in {
  0% { opacity: 0; transform: translate3d(-0.12em, 0.12em, 0); }
  72% { opacity: 1; transform: translate3d(0.014em, -0.012em, 0); }
  100% { opacity: 1; transform: none; }
}

@keyframes hero-title-route-in {
  from { opacity: 0; transform: scaleX(0); }
  to { opacity: 1; transform: scaleX(1); }
}

.hero-sub {
  max-width: 560px;
  margin-top: 22px;
  color: var(--ink-3);
  font-size: 17px;
  line-height: 1.85;
}

.hero-sub b { color: var(--ink); font-weight: 700; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.hero-note { margin-top: 14px; color: var(--ink-4); font-size: 13px; }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(36, 87, 255, 0.12);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-3);
  font-size: 13.5px;
  font-weight: 550;
}

.hero-meta svg { width: 15px; height: 15px; color: var(--green); flex: 0 0 auto; }

/* -- 明信片场景 -- */
.postcard-scene {
  position: relative;
  min-height: 460px;
  perspective: 1400px;
}

.pc {
  position: absolute;
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--shadow-lg);
}

.pc-back-card {
  top: 6%; right: 2%;
  width: 78%;
  aspect-ratio: 3 / 2;
  transform: rotate(5deg);
  background: linear-gradient(160deg, #ffffff 0%, #f2f7ff 100%);
  border: 1px solid var(--line);
  box-shadow: 0 18px 44px rgba(12, 34, 84, 0.1);
}

.pc-back-card::after {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 9px;
  border: 1.5px dashed rgba(36, 87, 255, 0.22);
}

.pc-main {
  top: 17%; left: 0;
  width: 88%;
  padding: 9px;
  transform: rotate(-3.6deg);
  animation: pc-float 7s ease-in-out infinite;
}

@keyframes pc-float {
  0%, 100% { transform: rotate(-3.6deg) translateY(0); }
  50% { transform: rotate(-3.2deg) translateY(-10px); }
}

.pc-main .pc-border {
  border-radius: 9px;
  padding: 7px;
  background: repeating-linear-gradient(-45deg,
    var(--red) 0 12px, #fff 12px 24px, var(--blue) 24px 36px, #fff 36px 48px);
}

.pc-main .pc-inner {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 14px;
  border-radius: 5px;
  background: #fff;
  padding: 18px 18px 16px;
}

.pc-msg .par-avion {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid rgba(36, 87, 255, 0.35);
  border-radius: 99px;
  color: var(--blue-deep);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
}

.pc-msg .par-avion i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--red);
}

.pc-msg .hand {
  margin-top: 14px;
  color: var(--ink);
  font-family: var(--hand);
  font-size: 17.5px;
  line-height: 1.75;
}

.pc-msg .hand .star { color: var(--amber); }

.pc-msg .sign {
  margin-top: 10px;
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
}

.pc-addr {
  position: relative;
  border-left: 1px solid var(--line-2);
  padding-left: 16px;
  display: flex;
  flex-direction: column;
}

.pc-stamp {
  align-self: flex-end;
  width: 62px;
  padding: 4px;
  background: #fff;
  border-radius: 3px;
  -webkit-mask: radial-gradient(circle 2.2px at 3px 3px, transparent 96%, #000) -3px -3px / 8px 8px;
  mask: radial-gradient(circle 2.2px, transparent 96%, #000 100%) -1px -1px / 7px 7px;
  box-shadow: 0 2px 8px rgba(12, 34, 84, 0.16);
}

.pc-stamp-in {
  border: 1px solid rgba(36, 87, 255, 0.4);
  border-radius: 2px;
  background: linear-gradient(165deg, var(--blue-soft), #fff);
  padding: 7px 5px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.pc-stamp-in svg { width: 20px; height: 20px; color: var(--blue); }
.pc-stamp-in span { color: var(--blue-ink); font-family: var(--mono); font-size: 8px; letter-spacing: 0.08em; text-align: center; line-height: 1.4; }

.pc-lines { margin-top: auto; display: grid; gap: 9px; padding-bottom: 4px; }
.pc-lines .lab { color: var(--ink-4); font-family: var(--mono); font-size: 8.5px; letter-spacing: 0.2em; }
.pc-lines .ln { height: 1.5px; border-radius: 2px; background: var(--line); }
.pc-lines .ln.w86 { width: 86%; }
.pc-lines .ln.w70 { width: 70%; }
.pc-lines .ln.w92 { width: 92%; }

.pc-postmark {
  position: absolute;
  top: -26px; right: 4%;
  width: 128px; height: 128px;
  color: rgba(23, 64, 214, 0.5);
  transform: rotate(11deg);
  pointer-events: none;
}

.pc-tag {
  position: absolute;
  left: 4%; bottom: 3%;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
  animation: pc-float 7s ease-in-out 0.8s infinite;
}

.pc-tag .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(10, 156, 102, 0.14); }
.pc-tag b { color: var(--ink); font-size: 13px; font-weight: 700; }
.pc-tag span { color: var(--ink-4); font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.06em; }

/* ================= HERO v2 —— 巨幅明信片舞台（首页） =================
   概念：整个 hero 是一张悬浮在晴空邮路上的巨大明信片。
   航空斜纹放大为卡片边框，标题即卡上留言，邮票/邮戳/物流签是真实层，
   开场编排：卡片落定 → 字迹浮现 → 航线划出 → 邮戳盖下（震卡）→ 物流签浮出，
   之后整卡随鼠标 3D 悬浮，卡上各层按景深视差。 */
.hero-v2 {
  padding: 126px 0 76px;
  background: linear-gradient(180deg,
    #071847 0%, #102d86 24%, #2453e8 46%, #6f9cf5 64%, #d9e7ff 78%, #ffffff 92%);
}

/* —— 黄昏邮路夜空：深蓝天幕 + 星点 + 晚霞天光 + 发光航线 —— */
.hero-v2 .hero-eyebrow { color: #d6e4ff; }

.hero-v2 .hero-sky::after { display: none; }

.hero-v2 .hero-sky::before {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 74%, #ffffff 96%);
}

.hero-v2 .hero-sky .aur {
  background: conic-gradient(from 224deg at 50% 50%,
    rgba(64, 110, 255, 0) 0deg,
    rgba(96, 150, 255, 0.34) 64deg,
    rgba(122, 214, 255, 0.22) 128deg,
    rgba(96, 150, 255, 0.16) 180deg,
    rgba(255, 132, 100, 0.14) 228deg,
    rgba(64, 110, 255, 0.24) 292deg,
    rgba(64, 110, 255, 0) 360deg);
}

.hero-v2 .neb { border-radius: 50%; }

.hero-v2 .n1 {
  top: -22%; left: -14%;
  width: 900px; height: 760px;
  background: radial-gradient(closest-side, rgba(92, 146, 255, 0.36), transparent 72%);
  animation: sky-b2 34s ease-in-out infinite alternate;
}

.hero-v2 .n2 {
  top: -30%; right: -12%;
  width: 980px; height: 800px;
  background: radial-gradient(closest-side, rgba(56, 112, 255, 0.34), transparent 72%);
  animation: sky-b1 28s ease-in-out infinite alternate;
}

/* 两层错频星点，第二层缓慢呼吸 */
.hero-v2 .stars {
  inset: 0;
  border-radius: 0;
  -webkit-mask-image: linear-gradient(180deg, #000 40%, transparent 66%);
  mask-image: linear-gradient(180deg, #000 40%, transparent 66%);
}

.hero-v2 .s1 {
  background-image:
    radial-gradient(circle 1.1px at 22px 34px, rgba(255, 255, 255, 0.9) 40%, transparent),
    radial-gradient(circle 1px at 118px 96px, rgba(214, 230, 255, 0.75) 40%, transparent),
    radial-gradient(circle 1.3px at 187px 21px, rgba(255, 255, 255, 0.8) 40%, transparent),
    radial-gradient(circle 0.9px at 76px 151px, rgba(214, 230, 255, 0.7) 40%, transparent),
    radial-gradient(circle 1.1px at 205px 133px, rgba(255, 255, 255, 0.65) 40%, transparent);
  background-size: 237px 187px;
  opacity: 0.55;
}

.hero-v2 .s2 {
  background-image:
    radial-gradient(circle 1.4px at 41px 61px, rgba(255, 255, 255, 0.95) 40%, transparent),
    radial-gradient(circle 1px at 233px 149px, rgba(190, 214, 255, 0.8) 40%, transparent),
    radial-gradient(circle 1.2px at 152px 219px, rgba(255, 255, 255, 0.75) 40%, transparent),
    radial-gradient(circle 0.9px at 289px 84px, rgba(190, 214, 255, 0.7) 40%, transparent);
  background-size: 331px 263px;
  animation: star-twinkle 5.5s ease-in-out infinite alternate;
}

@keyframes star-twinkle { from { opacity: 0.2; } to { opacity: 0.55; } }

/* 晚霞天光：航空红以晚霞形式回到叙事里 */
.hero-v2 .horizon {
  top: 42%; left: -10%; right: -10%;
  height: 40%;
  border-radius: 0;
  background:
    radial-gradient(52% 46% at 50% 74%, rgba(255, 146, 108, 0.28), rgba(255, 146, 108, 0) 72%),
    radial-gradient(85% 60% at 50% 88%, rgba(140, 178, 255, 0.44), rgba(140, 178, 255, 0) 76%);
}

/* 流星：约十秒一颗，划过右上星区 */
.hero-v2 .comet {
  top: 15%; left: 60%;
  width: 130px; height: 1.5px;
  border-radius: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.85));
  opacity: 0;
  transform: rotate(-22deg);
  animation: comet-run 9.5s linear 3.2s infinite;
}

@keyframes comet-run {
  0%, 87% { opacity: 0; transform: translate3d(0, 0, 0) rotate(-22deg); }
  90% { opacity: 0.9; }
  96%, 100% { opacity: 0; transform: translate3d(-280px, 113px, 0) rotate(-22deg); }
}

/* 巨型描边字：海报级的尺度感，缓慢漂移 */
.hero-v2 .sky-word {
  position: absolute;
  top: 4.5%;
  left: 50%;
  color: transparent;
  font-family: var(--mono);
  font-size: clamp(110px, 16.5vw, 236px);
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1;
  white-space: nowrap;
  -webkit-text-stroke: 1px rgba(199, 219, 255, 0.13);
  transform: translateX(-50%);
  animation: sky-word-drift 46s ease-in-out infinite alternate;
}

@keyframes sky-word-drift {
  from { transform: translateX(calc(-50% - 34px)); }
  to { transform: translateX(calc(-50% + 34px)); }
}

.hero-v2 .hero-sky .glow {
  background: radial-gradient(closest-side, rgba(150, 190, 255, 0.26), rgba(150, 190, 255, 0) 78%);
}

/* 发光航线：深空上终于看得见的光路 */
.hero-v2 .hero-route { color: rgba(168, 197, 255, 0.62); }
.hero-v2 .hero-route .glowline { fill: none; stroke: rgba(148, 186, 255, 0.15); stroke-width: 7; stroke-linecap: round; }
.hero-v2 .hero-route .glowline-far { stroke-width: 5; stroke: rgba(148, 186, 255, 0.1); }
.hero-v2 .hero-route .wpt .core { fill: #9dc0ff; }
.hero-v2 .hero-route .wpt .ring { stroke: #9dc0ff; }
.hero-v2 .hero-route .wpt-dest .core { fill: #ff7061; }
.hero-v2 .hero-route .wpt-dest .ring { stroke: #ff7061; }
.hero-v2 .hero-route .route-plane { color: #dfe9ff; opacity: 0.85; }
.hero-v2 .hero-route .route-plane-far { opacity: 0.4; }

.hero-stage {
  position: relative;
  z-index: 2;
  display: grid;
  justify-items: center;
}

.hero-eyebrow { margin-bottom: 24px; }

.mega-wrap { width: 100%; perspective: 1500px; }

.mega-ent { transform-style: preserve-3d; }

.mega-card {
  position: relative;
  width: min(1030px, 100%);
  margin: 0 auto;
  transform-style: preserve-3d;
  will-change: transform;
}

/* 品牌签名的航空斜纹放大为整卡边框 */
.mega-border {
  border-radius: 24px;
  padding: 11px;
  background: repeating-linear-gradient(-45deg,
    var(--red) 0 15px, #fff 15px 30px, var(--blue) 30px 45px, #fff 45px 60px);
  box-shadow:
    0 2px 4px rgba(12, 34, 84, 0.08),
    0 34px 70px -22px rgba(12, 34, 84, 0.3),
    0 90px 160px -60px rgba(18, 53, 128, 0.38);
}

.mega-inner {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  background: radial-gradient(130% 100% at 50% 0%, #ffffff 58%, #f3f7ff 100%);
  padding: clamp(26px, 4vw, 48px) clamp(24px, 4.6vw, 60px) clamp(24px, 3.4vw, 42px);
}

.mega-avion {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 11px;
  border: 1px solid rgba(36, 87, 255, 0.35);
  border-radius: 99px;
  color: var(--blue-deep);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.15em;
}

.mega-avion i { width: 7px; height: 7px; border-radius: 50%; background: var(--red); }

.mega-title {
  margin-top: clamp(18px, 2.6vw, 28px);
  color: var(--ink);
  font-size: clamp(46px, 7vw, 92px);
  font-weight: 850;
  line-height: 1.06;
  letter-spacing: -0.048em;
}

.mt-line { display: block; }
.mt-ch { display: inline-block; }

.mt-comma {
  position: relative;
  top: -0.05em;
  margin-left: 0.06em;
  color: var(--blue);
  font-size: 0.45em;
  font-weight: 800;
}

.mt-line-blue {
  position: relative;
  width: max-content;
  max-width: 100%;
  color: var(--blue);
}

.mt-period {
  position: relative;
  top: -0.05em;
  margin-left: 0.05em;
  font-size: 0.43em;
  font-weight: 800;
}

.mt-line-blue::after {
  content: "";
  position: absolute;
  left: 0.05em;
  bottom: -0.1em;
  width: 3.6em;
  height: 0.048em;
  border-radius: 99px;
  background: var(--blue);
  transform-origin: left center;
}

.mega-sub {
  max-width: 620px;
  margin-top: clamp(18px, 2.6vw, 26px);
  color: var(--ink-3);
  font-size: clamp(14.5px, 1.25vw, 16.5px);
  line-height: 1.85;
}

.mega-sub b { color: var(--ink); font-weight: 700; }

.mega-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: clamp(20px, 2.4vw, 28px); }

.mega-note { margin-top: 13px; color: var(--ink-4); font-size: 12.5px; }

.mega-addr {
  position: absolute;
  right: clamp(24px, 4.6vw, 60px);
  bottom: clamp(26px, 3.4vw, 46px);
  display: grid;
  gap: 13px;
  width: clamp(150px, 21%, 220px);
}

.mega-addr .lab { color: var(--ink-4); font-family: var(--mono); font-size: 8.5px; letter-spacing: 0.18em; }
.mega-addr .ln { height: 1.5px; border-radius: 2px; background: var(--line); }
.mega-addr .ln.short { width: 78%; }
.mega-addr .ln.shorter { width: 56%; }

/* 邮票：贴在右上角，独立景深层 */
.mega-stamp {
  position: absolute;
  z-index: 3;
  top: 30px;
  right: 34px;
  width: clamp(78px, 8.6vw, 100px);
  padding: 5px;
  background: #fff;
  border-radius: 4px;
  -webkit-mask: radial-gradient(circle 2.6px at 3.5px 3.5px, transparent 96%, #000) -3.5px -3.5px / 9px 9px;
  mask: radial-gradient(circle 2.6px, transparent 96%, #000 100%) -1px -1px / 8px 8px;
  box-shadow: 0 3px 10px rgba(12, 34, 84, 0.16);
  transform: rotate(3deg) translateZ(44px);
}

.mega-stamp-in {
  display: grid;
  justify-items: center;
  gap: 4px;
  padding: 11px 6px 8px;
  border: 1px solid rgba(36, 87, 255, 0.4);
  border-radius: 3px;
  background: linear-gradient(165deg, var(--blue-soft), #fff);
  text-align: center;
}

.mega-stamp-in svg { width: 24px; height: 24px; color: var(--blue); }
.mega-stamp-in b { color: var(--blue-ink); font-family: var(--mono); font-size: 15px; font-weight: 750; letter-spacing: -0.02em; }
.mega-stamp-in span { color: var(--blue-ink); font-family: var(--mono); font-size: 7.5px; letter-spacing: 0.06em; }

/* 邮戳：盖在卡片上缘、压住邮票一角，最高景深层 */
.mega-postmark {
  position: absolute;
  z-index: 4;
  top: -30px;
  right: 96px;
  width: clamp(116px, 12.5vw, 156px);
  height: auto;
  color: rgba(23, 64, 214, 0.5);
  pointer-events: none;
  transform: rotate(9deg) translateZ(64px);
}

/* 物流签：悬在卡片左下缘 */
.mega-tag {
  position: absolute;
  z-index: 3;
  left: 38px;
  bottom: -18px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
  transform: rotate(-1.6deg) translateZ(34px);
}

.mega-tag .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(10, 156, 102, 0.14); }
.mega-tag b { color: var(--ink); font-size: 13px; font-weight: 700; }
.mega-tag > span:last-child { color: var(--ink-4); font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.06em; }

.hero-meta-center { justify-content: center; margin-top: 48px; padding-top: 0; border-top: 0; }

/* -- 开场编排 -- */
@media (prefers-reduced-motion: no-preference) {
  .mega-ent {
    opacity: 0;
    transform: translateY(34px) rotateX(7deg);
    animation: mega-in 0.9s var(--ease) 0.08s forwards;
    will-change: transform, opacity;
  }

  .mt-ch {
    opacity: 0;
    transform: translateY(0.34em);
    filter: blur(7px);
    animation: mt-ch-in 0.55s var(--ease) forwards;
    animation-delay: calc(0.4s + var(--i) * 0.05s);
  }

  .mt-line-blue::after {
    opacity: 0;
    transform: scaleX(0);
    animation: mt-underline-in 0.45s var(--ease) 1.12s forwards;
  }

  .mega-sub, .mega-cta, .mega-note, .mega-addr {
    opacity: 0;
    transform: translateY(14px);
    animation: mega-rise 0.6s var(--ease) forwards;
  }

  .mega-sub { animation-delay: 0.85s; }
  .mega-cta { animation-delay: 0.95s; }
  .mega-note { animation-delay: 1.02s; }
  .mega-addr { animation-delay: 1.1s; }

  .mega-postmark {
    opacity: 0;
    transform: rotate(2deg) scale(1.7) translateZ(64px);
    animation: mega-postmark-in 0.5s cubic-bezier(0.34, 1.3, 0.42, 1) 1.5s forwards;
  }

  .mega-border { animation: mega-thud 0.4s var(--ease) 1.56s; }

  .mega-tag {
    opacity: 0;
    animation: mega-tag-in 0.55s var(--ease) 1.85s forwards;
  }
}

@keyframes mega-in { to { opacity: 1; transform: translateY(0) rotateX(0); } }
@keyframes mt-ch-in { to { opacity: 1; transform: none; filter: blur(0); } }
@keyframes mt-underline-in { from { opacity: 0; transform: scaleX(0); } to { opacity: 1; transform: scaleX(1); } }
@keyframes mega-rise { to { opacity: 1; transform: none; } }

@keyframes mega-postmark-in {
  0% { opacity: 0; transform: rotate(2deg) scale(1.7) translateZ(64px); }
  62% { opacity: 1; transform: rotate(10deg) scale(0.94) translateZ(64px); }
  100% { opacity: 1; transform: rotate(9deg) scale(1) translateZ(64px); }
}

@keyframes mega-thud {
  0%, 100% { transform: none; }
  35% { transform: translateY(3px) scale(0.997); }
}

@keyframes mega-tag-in {
  from { opacity: 0; transform: rotate(-1.6deg) translateZ(34px) translateY(10px); }
  to { opacity: 1; transform: rotate(-1.6deg) translateZ(34px) translateY(0); }
}

@media (max-width: 900px) {
  .mega-addr { display: none; }
}

/* ================= 子页面 HERO ================= */
.page-hero {
  position: relative;
  padding: 148px 0 68px;
  background:
    radial-gradient(760px 420px at 88% -20%, rgba(36, 87, 255, 0.12), transparent 60%),
    linear-gradient(180deg, #f2f7ff 0%, #ffffff 92%);
  overflow: hidden;
  border-bottom: 1px solid var(--line-2);
}

.page-hero .container { position: relative; z-index: 1; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.breadcrumb a { color: var(--ink-3); }
.breadcrumb a:hover { color: var(--blue-deep); }
.breadcrumb .sep { color: var(--ink-4); }

.page-hero h1 {
  max-width: 20ch;
  color: var(--ink);
  font-size: clamp(30px, 4.4vw, 50px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.025em;
}

.page-hero h1 em { font-style: normal; color: var(--blue); }

.page-hero .lede {
  max-width: 620px;
  margin-top: 20px;
  color: var(--ink-3);
  font-size: 17px;
  line-height: 1.85;
}

.page-hero .lede b { color: var(--ink); font-weight: 700; }

.page-hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

/* -- 内页 Hero：延续首页的邮政卡片视觉 -- */
.page-hero.has-visual .page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr);
  gap: clamp(24px, 3vw, 38px);
  align-items: center;
}

.page-hero.has-visual .page-hero-copy { min-width: 0; }

.page-hero.has-visual .page-hero-visual {
  width: calc(100% + 100px);
  aspect-ratio: 1.25 / 1;
  margin: 30px -54px 0 -46px;
  pointer-events: none;
}

.page-hero.has-visual .page-hero-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: drop-shadow(0 26px 28px rgba(36, 87, 255, 0.12));
}

/* ================= 跨境平台订单来源 ================= */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.platform-network {
  position: relative;
  overflow: hidden;
  padding: 94px 0 54px;
  border-top: 1px solid #dce6fb;
}

.platform-network::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  /*background: repeating-linear-gradient(-45deg,
    var(--red) 0 11px, transparent 11px 22px,
    var(--blue) 22px 33px, transparent 33px 44px);*/
  opacity: 0.82;
}

.platform-network-head {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.72fr);
  gap: clamp(40px, 7vw, 96px);
  align-items: end;
  margin-bottom: 24px;
}

.platform-network-lede {
  max-width: 500px;
  padding-bottom: 5px;
  color: var(--ink-3);
  font-size: 16px;
  line-height: 1.85;
}

.platform-stage {
  position: relative;
  isolation: isolate;
  height: 322px;
  overflow: hidden;
  border: 0;
  background: transparent;
}

.platform-stage::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 8% 8%;
  background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.28) 42%, transparent 74%);
  filter: blur(26px);
  pointer-events: none;
}

.platform-orbit {
  position: absolute;
  z-index: 2;
  left: 0;
  width: 100%;
  overflow: hidden;
  border: 0;
  background: transparent;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 90%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 90%, transparent 100%);
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
}

.platform-orbit-one { top: 0; opacity: 0.94; transform: rotate(-0.3deg); }
.platform-orbit-two { top: 105px; z-index: 3; transform: rotate(0.22deg); }
.platform-orbit-three { top: 210px; opacity: 0.92; transform: rotate(-0.2deg); }

.platform-track {
  display: flex;
  width: max-content;
  will-change: transform;
}

.platform-track-left { animation: platform-marquee-left 32s linear infinite; }
.platform-track-right { animation: platform-marquee-right 38s linear infinite; }
.platform-track-fast { animation-duration: 27s; }
.platform-stage:hover .platform-track { animation-play-state: paused; }

.platform-strip {
  flex: 0 0 auto;
  width: clamp(1120px, 90vw, 1320px);
  aspect-ratio: 9 / 1;
  background-image: url("platform-logo-board.png");
  background-repeat: no-repeat;
  background-size: 100% 300%;
  background-position-x: center;
  filter: drop-shadow(0 9px 16px rgba(36, 87, 255, 0.08));
}

.platform-strip-one { background-position-y: top; }
.platform-strip-two { background-position-y: center; }
.platform-strip-three { background-position-y: bottom; }

.platform-network-foot {
  display: flex;
  justify-content: center;
}

.platform-disclaimer {
  margin-top: 0;
  color: var(--ink-4);
  font-size: 11.5px;
  text-align: center;
}

@keyframes platform-marquee-left {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}

@keyframes platform-marquee-right {
  from { transform: translate3d(-50%, 0, 0); }
  to { transform: translate3d(0, 0, 0); }
}

/* ================= 数据条 ================= */
.stats { border-top: 1px solid var(--line-2); background: #fff; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 40px 0 34px;
}

.stat {
  padding: 6px 28px;
  border-left: 2px dotted #ccd8f0;
}

.stat:first-child { border-left: 0; padding-left: 0; }

.stat .num {
  display: flex;
  align-items: baseline;
  gap: 3px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: clamp(50px, 3vw, 40px);
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.stat .num small { color: var(--blue); font-size: 0.52em; font-weight: 700; }
.stat .num .pre { color: var(--blue); font-size: 0.52em; font-weight: 700; }
.stat .cap { margin-top: 6px; color: var(--ink-3); font-size: 13.5px; font-weight: 550; }

.stats-note {
  padding: 0 0 26px;
  color: var(--ink-4);
  font-size: 12px;
}

/* ================= 为什么选直邮 ================= */
.why {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 8% 66%, rgba(36, 87, 255, 0.075), transparent 22%),
    linear-gradient(180deg, #fff 0%, #f7f9ff 52%, #fff 100%);
}

.why .sec-lede { max-width: 720px; }

/* 对比舞台：左侧「数字噪声」暗面剧场，右侧「实体证据」亮面列表 */
.why-stage {
  display: grid;
  grid-template-columns: minmax(320px, 0.74fr) minmax(0, 1.26fr);
  margin-top: 60px;
  overflow: hidden;
  border: 1px solid rgba(18, 47, 110, 0.12);
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow-lg);
}

.why-noise {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 40px 36px 36px;
  overflow: hidden;
  background: linear-gradient(160deg, #0a1738 0%, #10265c 100%);
}

/* 暗面的顶部蓝辉与右上角半调网点 */
.why-noise::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(460px 320px at 86% -12%, rgba(64, 110, 255, 0.4), transparent 70%);
  pointer-events: none;
}

.why-noise::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.3) 1px, transparent 1.3px);
  background-size: 22px 22px;
  opacity: 0.14;
  -webkit-mask-image: linear-gradient(215deg, #000, transparent 55%);
  mask-image: linear-gradient(215deg, #000, transparent 55%);
  pointer-events: none;
}

.wn-kicker {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #b9ccf5;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.wn-kicker i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(239, 59, 45, 0.18);
}

.wn-feed {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.wn-msg {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 15px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.07);
  transition: opacity 0.5s var(--ease);
}

.wn-msg:nth-child(2) { margin-left: 18px; }
.wn-msg:nth-child(3) { margin-left: 36px; }

.wn-ic {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.1);
  color: #cdddff;
}

.wn-ic svg { width: 17px; height: 17px; }

.wn-body { min-width: 0; display: grid; gap: 1px; }

.wn-body b {
  color: #fff;
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: line-through;
  text-decoration-color: transparent;
  text-decoration-thickness: 1.5px;
  transition: text-decoration-color 0.45s var(--ease);
}

.wn-body > span { color: rgba(255, 255, 255, 0.52); font-size: 11.5px; }

.wn-fate {
  flex: 0 0 auto;
  margin-left: auto;
  padding: 3px 9px;
  border: 1px solid rgba(255, 130, 110, 0.45);
  border-radius: 99px;
  color: #ffab9d;
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 700;
  font-style: normal;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

/* 进入视口后：三条线上通道依次“阵亡”，随后亮出转折句 */
.why-stage.in .wn-msg { opacity: 0.6; }
.why-stage.in .wn-msg b { text-decoration-color: rgba(255, 140, 118, 0.85); }
.why-stage.in .wn-feed .wn-msg:nth-child(1),
.why-stage.in .wn-feed .wn-msg:nth-child(1) b { transition-delay: 0.35s; }
.why-stage.in .wn-feed .wn-msg:nth-child(2),
.why-stage.in .wn-feed .wn-msg:nth-child(2) b { transition-delay: 0.7s; }
.why-stage.in .wn-feed .wn-msg:nth-child(3),
.why-stage.in .wn-feed .wn-msg:nth-child(3) b { transition-delay: 1.05s; }

.wn-turn {
  position: relative;
  z-index: 1;
  margin-top: auto;
  padding-top: 34px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.55s var(--ease) 1.5s, transform 0.55s var(--ease) 1.5s;
}

.why-stage.in .wn-turn { opacity: 1; transform: none; }

.wn-turn-line {
  position: relative;
  display: block;
  width: 74px;
  height: 5px;
  margin-bottom: 14px;
  border-radius: 3px;
  background: repeating-linear-gradient(-45deg,
    var(--red) 0 6px, #fff 6px 10px, #4f75ff 10px 16px, #fff 16px 20px);
}

.wn-turn-line::after {
  content: "";
  position: absolute;
  top: -2px;
  right: -14px;
  width: 9px;
  height: 9px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: rotate(45deg);
}

.wn-turn p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 17px;
  font-weight: 650;
  line-height: 1.65;
}

.wn-turn p b { color: #fff; font-weight: 800; }

/* 亮面：三条实体证据，邮票齿孔线分隔，配图按“冲印照”处理 */
.why-mails {
  display: grid;
  min-width: 0;
  background: linear-gradient(180deg, #ffffff, #fbfcff);
}

.why-mail {
  display: grid;
  grid-template-columns: minmax(116px, 0.34fr) minmax(0, 1fr) clamp(140px, 13vw, 180px);
  gap: clamp(18px, 2.2vw, 30px);
  align-items: center;
  min-width: 0;
  padding: 26px 38px;
  transition: background 0.28s var(--ease);
}

.why-mail + .why-mail { border-top: 1.5px dashed #dce6f7; }
.why-mail:hover { background: rgba(238, 244, 255, 0.66); }

.wm-word span {
  display: block;
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.wm-word b {
  display: block;
  margin-top: 8px;
  color: var(--blue);
  font-size: clamp(29px, 3vw, 38px);
  font-weight: 840;
  line-height: 1;
  letter-spacing: -0.05em;
  transition: transform 0.28s var(--ease);
}

.why-mail:hover .wm-word b { transform: translateX(7px); }

.wm-copy h3 {
  color: var(--ink);
  font-size: clamp(19px, 1.9vw, 24px);
  font-weight: 780;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.wm-copy p {
  margin-top: 7px;
  max-width: 44ch;
  color: var(--ink-3);
  font-size: 13.8px;
  line-height: 1.7;
}

.wm-photo {
  margin: 0;
  padding: 9px 9px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 2px 4px rgba(12, 34, 84, 0.05), 0 14px 30px -12px rgba(12, 34, 84, 0.22);
  transform: rotate(2.2deg);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.why-mail:nth-child(2) .wm-photo { transform: rotate(-2deg); }

.wm-photo img {
  display: block;
  width: 100%;
  height: clamp(96px, 9vw, 122px);
  object-fit: contain;
}

.why-mail:hover .wm-photo {
  transform: rotate(0deg) translateY(-5px);
  box-shadow: 0 4px 8px rgba(12, 34, 84, 0.06), 0 22px 44px -14px rgba(12, 34, 84, 0.28);
}

/* ================= 场景（首页概览卡） ================= */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin-top: 52px;
}

.scene {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px;
  gap: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  padding: 30px;
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease), border-color 0.22s var(--ease);
}

.scene:hover { transform: translateY(-6px); border-color: rgba(36, 87, 255, 0.35); box-shadow: var(--shadow-lg); }

.scene .s-no { color: var(--blue); font-family: var(--mono); font-size: 12px; font-weight: 650; letter-spacing: 0.12em; }

.scene h3 { margin: 10px 0 8px; color: var(--ink); font-size: 21px; font-weight: 750; letter-spacing: -0.01em; }

.scene p { color: var(--ink-3); font-size: 14.5px; }

.scene .s-effect {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 16px;
  padding: 5px 12px;
  border-radius: 99px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 12.5px;
  font-weight: 650;
}

.scene .s-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  margin-left: 12px;
  color: var(--blue-deep);
  font-size: 13.5px;
  font-weight: 650;
}
.scene .s-more svg { width: 15px; height: 15px; transition: transform 0.18s var(--ease); }
.scene:hover .s-more svg { transform: translateX(3px); }

.scene-mini {
  align-self: center;
  border: 1px solid rgba(190, 178, 148, 0.3);
  border-radius: 10px;
  background: linear-gradient(160deg, #fffefa, #fffdf6 55%, #fbf7ec);
  padding: 14px 14px 12px;
  box-shadow: inset 0 1px 0 #fff, 0 8px 22px rgba(12, 34, 84, 0.08);
  transform: rotate(2.6deg);
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.scene:hover .scene-mini { transform: rotate(0.6deg) scale(1.03); box-shadow: inset 0 1px 0 #fff, 0 14px 30px rgba(12, 34, 84, 0.13); }

.scene-mini .m-strip { height: 4px; border-radius: 2px; background: repeating-linear-gradient(-45deg, var(--red) 0 8px, #fff 8px 15px, var(--blue) 15px 23px, #fff 23px 30px); }

.scene-mini .m-hand { margin-top: 10px; color: #23407c; font-family: var(--hand); font-size: 13.5px; line-height: 1.6; }

.scene-mini .m-meta { display: flex; justify-content: space-between; margin-top: 10px; color: var(--ink-4); font-family: var(--mono); font-size: 8.5px; letter-spacing: 0.1em; }

/* ================= 解决方案详情（solutions 页） ================= */
.solution {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 56px;
  align-items: center;
  padding: 72px 0;
  border-bottom: 1px solid var(--line-2);
}

.solution:last-child { border-bottom: 0; }
.solution.flip .sol-visual { order: -1; }

.sol-copy .sol-no {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.14em;
}

.sol-copy h2 {
  margin: 14px 0 8px;
  color: var(--ink);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.sol-copy h2 em { font-style: normal; color: var(--blue); }

.sol-copy .sol-pain {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 18px 0;
  padding: 14px 16px;
  border-radius: var(--r-sm);
  background: var(--red-soft);
  color: var(--ink-2);
  font-size: 14.5px;
  line-height: 1.7;
}

.sol-copy .sol-pain b { color: var(--red); }
.sol-copy .sol-pain svg { flex: 0 0 auto; width: 18px; height: 18px; margin-top: 3px; color: var(--red); }

.sol-copy .sol-desc { color: var(--ink-3); font-size: 15.5px; line-height: 1.9; }

.sol-list { margin-top: 20px; display: grid; gap: 12px; }
.sol-list li { display: flex; align-items: flex-start; gap: 11px; color: var(--ink-2); font-size: 14.8px; line-height: 1.65; }
.sol-list svg { flex: 0 0 auto; width: 19px; height: 19px; margin-top: 3px; color: var(--green); }
.sol-list b { color: var(--ink); }

.sol-metrics { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line-2); }
.sol-metrics .m .v { color: var(--ink); font-family: var(--mono); font-size: 26px; font-weight: 750; letter-spacing: -0.02em; }
.sol-metrics .m .v small { color: var(--blue); font-size: 0.55em; }
.sol-metrics .m .l { margin-top: 2px; color: var(--ink-3); font-size: 12.5px; }

/* 解决方案场景插画 */
.sol-visual {
  position: relative;
  isolation: isolate;
  display: flex;
  min-height: 430px;
  align-items: center;
  justify-content: center;
}

.sol-visual::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 18% 10%;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(36, 87, 255, 0.1), rgba(36, 87, 255, 0.025) 48%, transparent 72%);
  filter: blur(18px);
}

.sol-visual img {
  width: min(510px, 100%);
  height: auto;
  filter: drop-shadow(0 24px 28px rgba(20, 53, 132, 0.14));
  transform: rotate(-0.7deg) translateY(0);
  transition: transform 0.4s var(--ease), filter 0.4s var(--ease);
}

.solution.flip .sol-visual img { transform: rotate(0.7deg) translateY(0); }

.solution:hover .sol-visual img {
  filter: drop-shadow(0 30px 34px rgba(20, 53, 132, 0.18));
  transform: rotate(-0.7deg) translateY(-7px);
}

.solution.flip:hover .sol-visual img {
  transform: rotate(0.7deg) translateY(-7px);
}

/* ================= 流程 ================= */
.how { background: linear-gradient(180deg, var(--blue-tint) 0%, #fff 100%); }

.how-wrap {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.35fr);
  gap: 64px;
  margin-top: 8px;
}

.how-left { position: sticky; top: 110px; align-self: start; }

.how-badge {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 30px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: #fff;
  box-shadow: var(--shadow);
}

.how-badge .t { color: var(--ink-4); font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em; }
.how-badge .v { color: var(--ink); font-family: var(--mono); font-size: 15px; font-weight: 700; }
.how-badge .s { color: var(--green); font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; }

/* 追踪徽章底部的 IMb 式邮政条码，与首页明信片同语言 */
.how-badge::after {
  content: "";
  margin-top: 10px;
  height: 10px;
  opacity: 0.75;
  background-image:
    repeating-linear-gradient(90deg, #fff 0 2.4px, transparent 2.4px 8.8px),
    repeating-linear-gradient(90deg, #fff 0 2.4px, transparent 2.4px 13.2px),
    repeating-linear-gradient(90deg, #3a4a6e 0 1.7px, transparent 1.7px 4.4px);
  background-size: 8.8px 3.2px, 13.2px 3.2px, auto auto;
  background-position: 1.7px 0, 5.5px 100%, 0 0;
  background-repeat: repeat-x, repeat-x, repeat;
}

.step-list { position: relative; }

.step-list::before {
  content: "";
  position: absolute;
  top: 26px; bottom: 26px; left: 25px;
  width: 2px;
  background: repeating-linear-gradient(180deg, rgba(36, 87, 255, 0.35) 0 6px, transparent 6px 13px);
  transform: scaleY(var(--line-grow, 1));
  transform-origin: top;
}

.step {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 22px;
  padding: 0 0 46px;
}

.step:last-child { padding-bottom: 0; }

.step .s-dot {
  position: relative;
  z-index: 1;
  width: 52px; height: 52px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 6px 16px rgba(12, 34, 84, 0.08);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.step:hover .s-dot {
  transform: translateY(-3px);
  border-color: rgba(36, 87, 255, 0.45);
  box-shadow: 0 12px 24px -6px rgba(36, 87, 255, 0.22);
}

/* 首页滚动动效层（home-motion.js）：邮路推进到某一步时点亮该节点 */
.step.is-reached .s-dot {
  border-color: rgba(36, 87, 255, 0.5);
  color: var(--blue-deep);
  background: linear-gradient(180deg, #ffffff, #f2f7ff);
  box-shadow: 0 10px 22px -6px rgba(36, 87, 255, 0.28);
}

.step .s-dot svg { width: 23px; height: 23px; }

.step h3 { display: flex; align-items: baseline; gap: 10px; color: var(--ink); font-size: 19.5px; font-weight: 750; padding-top: 6px; }

.step h3 .s-k { color: var(--ink-4); font-family: var(--mono); font-size: 11.5px; font-weight: 650; letter-spacing: 0.14em; }

.step p { margin-top: 8px; color: var(--ink-3); font-size: 14.8px; max-width: 56ch; }

.step p a { color: var(--blue-deep); font-weight: 600; border-bottom: 1px solid rgba(36, 87, 255, 0.3); }

.how-eta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 40px;
  margin-left: 74px;
}

.how-eta span {
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 99px;
  background: #fff;
  color: var(--ink-3);
  font-size: 12.5px;
  font-weight: 550;
}

.how-eta b { color: var(--ink); font-family: var(--mono); font-weight: 700; }

/* ================= 功能特性（features 页） ================= */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 52px;
}

.feature-card {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  padding: 28px 26px;
  box-shadow: 0 1px 2px rgba(12, 34, 84, 0.04);
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease), border-color 0.22s var(--ease);
}

.feature-card:hover { transform: translateY(-6px); border-color: rgba(36, 87, 255, 0.3); box-shadow: var(--shadow-lg); }

.feature-card .f-ic {
  width: 46px; height: 46px;
  border-radius: 13px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.feature-card .f-ic svg { width: 23px; height: 23px; }

.feature-card h3 { color: var(--ink); font-size: 18.5px; font-weight: 750; letter-spacing: -0.01em; }
.feature-card p { margin-top: 9px; color: var(--ink-3); font-size: 14.3px; line-height: 1.75; }

.feature-card .f-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.feature-card .f-tags span { padding: 4px 10px; border-radius: 99px; background: var(--blue-tint); color: var(--ink-3); font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.06em; }

/* 功能亮点分栏 */
.feature-split {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
  margin-top: 26px;
}

.feature-hl {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 18px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, #fff, var(--blue-tint));
}

.feature-hl .h-ic {
  width: 54px; height: 54px;
  border-radius: 15px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--blue);
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow);
}
.feature-hl .h-ic svg { width: 26px; height: 26px; }
.feature-hl h3 { color: var(--ink); font-size: 19px; font-weight: 750; }
.feature-hl p { margin-top: 8px; color: var(--ink-3); font-size: 14.5px; line-height: 1.8; }

/* 代码块（API 展示） */
.code-panel {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--blue-ink);
  box-shadow: var(--shadow-lg);
  background: #0c1a3e;
}

.code-panel .c-head {
  display: flex; align-items: center; gap: 8px;
  padding: 13px 18px;
  background: #0a1533;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.code-panel .c-head .dot { width: 11px; height: 11px; border-radius: 50%; }
.code-panel .c-head .dot.r { background: #ff5f57; }
.code-panel .c-head .dot.y { background: #febc2e; }
.code-panel .c-head .dot.g { background: #28c840; }
.code-panel .c-head .c-name { margin-left: 8px; color: rgba(255,255,255,0.6); font-family: var(--mono); font-size: 12px; letter-spacing: 0.05em; }

.code-panel pre { margin: 0; padding: 22px 20px; overflow-x: auto; }
.code-panel code {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.85;
  color: #c9d6f5;
  white-space: pre;
}
.code-panel .t-key { color: #7ea2ff; }
.code-panel .t-str { color: #8fe3b0; }
.code-panel .t-num { color: #ffcf7a; }
.code-panel .t-com { color: #5f6f95; }
.code-panel .t-fn { color: #f0a8ff; }

/* ================= 价格 ================= */
.price-wrap {
  display: grid;
  grid-template-columns: minmax(300px, 0.92fr) minmax(0, 1.28fr);
  gap: 64px;
  align-items: start;
  margin-top: 8px;
}

.price-points { margin-top: 28px; display: grid; gap: 13px; }

.price-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--ink-2);
  font-size: 14.8px;
}

.price-points svg { flex: 0 0 auto; width: 18px; height: 18px; margin-top: 4px; color: var(--green); }

.price-card {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: var(--shadow);
  overflow: hidden;
}

/* 卡顶航空斜纹：与首页明信片边框同纹样 */
.price-card::before {
  content: "";
  display: block;
  height: 5px;
  background: repeating-linear-gradient(-45deg,
    var(--red) 0 8px, #fff 8px 16px,
    var(--blue) 16px 24px, #fff 24px 32px);
}

.price-card .head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 26px;
  background: linear-gradient(180deg, #f8fbff, #eef4ff);
  border-bottom: 1px solid #e0e9fa;
  box-shadow: inset 0 1px 0 #fff;
}

.price-card .head b { color: var(--ink); font-size: 15.5px; font-weight: 750; }
.price-card .head span { color: var(--ink-4); font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; }

.price-table { width: 100%; border-collapse: collapse; }

.price-table th {
  padding: 13px 26px;
  color: var(--ink-4);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-align: right;
  border-bottom: 1px solid var(--line-2);
}

.price-table th:first-child { text-align: left; }

.price-table td {
  padding: 15px 26px;
  border-bottom: 1px solid var(--line-2);
  text-align: right;
}

.price-table tr:last-child td { border-bottom: 0; }

.price-table tbody tr { transition: background 0.15s var(--ease); }
.price-table tbody tr:hover { background: var(--blue-tint); }

.price-table .fmt { text-align: left; }
.price-table .fmt b { display: block; color: var(--ink); font-size: 15px; font-weight: 700; }
.price-table .fmt em { color: var(--ink-4); font-family: var(--mono); font-size: 10.5px; font-style: normal; letter-spacing: 0.08em; }

.price-table .p { color: var(--ink); font-family: var(--mono); font-size: 17px; font-weight: 700; white-space: nowrap; }
.price-table .p small { color: var(--ink-4); font-size: 11px; margin-right: 1px; }
.price-table .p.vip { color: var(--blue-deep); }

.price-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding: 14px 26px;
  background: var(--blue-tint);
  border-top: 1px solid var(--line-2);
  color: var(--ink-3);
  font-size: 12.5px;
}

.dest-chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 22px; }

.dest-chips span {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 99px;
  background: #fff;
  font-size: 13px;
  color: var(--ink-2);
  font-weight: 550;
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.dest-chips span:hover {
  border-color: rgba(36, 87, 255, 0.45);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px -6px rgba(36, 87, 255, 0.28);
}

.dest-chips b { color: var(--blue-deep); font-family: var(--mono); font-size: 12.5px; font-weight: 700; }
.dest-chips .code { color: var(--ink-4); font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; }

/* 完整价格大表（pricing 页） */
.price-full {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-top: 40px;
}

.price-full table { width: 100%; border-collapse: collapse; }
.price-full thead th {
  padding: 16px 20px;
  background: var(--blue-ink);
  color: #fff;
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-align: right;
  white-space: nowrap;
}
.price-full thead th:first-child { text-align: left; }
.price-full thead th .sub { display: block; margin-top: 2px; color: rgba(255,255,255,0.6); font-family: var(--mono); font-size: 10px; font-weight: 500; }

.price-full tbody td {
  padding: 15px 20px;
  border-bottom: 1px solid var(--line-2);
  text-align: right;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 650;
}
.price-full tbody tr:nth-child(even) { background: var(--blue-tint); }
.price-full tbody tr:hover { background: var(--blue-soft); }
.price-full tbody td:first-child { text-align: left; }
.price-full tbody td .cn { display: block; font-family: var(--font); color: var(--ink); font-size: 14.5px; font-weight: 700; }
.price-full tbody td .code2 { color: var(--ink-4); font-family: var(--mono); font-size: 10.5px; font-weight: 500; letter-spacing: 0.08em; }
.price-full tbody td .vip { color: var(--blue-deep); }
.price-full tbody td small { color: var(--ink-4); font-size: 11px; }

/* 规格卡 */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 40px;
}

.spec-card {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: #fff;
  padding: 22px 20px;
  box-shadow: 0 1px 2px rgba(12, 34, 84, 0.04);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.spec-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.spec-card .s-fmt { color: var(--blue); font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: 0.1em; }
.spec-card h3 { margin: 8px 0 4px; color: var(--ink); font-size: 17px; font-weight: 750; }
.spec-card p { color: var(--ink-3); font-size: 13px; line-height: 1.7; }
.spec-card .s-from { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--line); color: var(--ink); font-family: var(--mono); font-size: 20px; font-weight: 750; }
.spec-card .s-from small { color: var(--ink-4); font-size: 11px; font-family: var(--font); }

/* ================= 评价 ================= */
.seller-reviews {
  position: relative;
  overflow: hidden;
  padding-top: 0;
}

.reviews-head {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(340px, 0.72fr);
  gap: clamp(44px, 7vw, 92px);
  align-items: end;
}

.reviews-summary {
  max-width: 500px;
  padding-bottom: 3px;
}

.reviews-count {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 15px;
}

.reviews-count .count-no {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 46px;
  font-weight: 820;
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.reviews-count > span:last-child { display: grid; gap: 1px; }
.reviews-count b { color: var(--ink); font-family: var(--mono); font-size: 11px; letter-spacing: 0.13em; }
.reviews-count small { color: var(--ink-4); font-size: 12px; }
.reviews-summary > p { color: var(--ink-2); font-size: 14.5px; line-height: 1.8; }

.reviews-summary .reviews-disclaimer {
  margin-top: 11px;
  color: var(--ink-4);
  font-size: 11px;
  line-height: 1.65;
}

.voice-stage {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 390px);
  gap: clamp(48px, 7vw, 90px);
  align-items: center;
  min-height: 520px;
  margin-top: 52px;
  padding: 54px 62px;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  outline: none;
  background:
    radial-gradient(circle at 12% 22%, rgba(36, 87, 255, 0.11), transparent 29%),
    radial-gradient(circle at 88% 78%, rgba(239, 59, 45, 0.07), transparent 25%),
    linear-gradient(145deg, rgba(245, 248, 255, 0.82), rgba(255, 255, 255, 0.96));
}

.voice-stage:focus-visible {
  outline: 3px solid rgba(36, 87, 255, 0.18);
  outline-offset: 4px;
}

.voice-stage::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(36, 87, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 87, 255, 0.05) 1px, transparent 1px);
  background-size: 34px 34px;
  -webkit-mask-image: linear-gradient(90deg, #000, transparent 66%);
  mask-image: linear-gradient(90deg, #000, transparent 66%);
}

.voice-stage-copy {
  position: relative;
  z-index: 2;
  min-width: 0;
}

.voice-stage-label {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--blue-deep);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.13em;
}

.voice-stage-label i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 5px rgba(239, 59, 45, 0.1);
  animation: voice-pulse 1.8s ease-in-out infinite;
}

.voice-slides {
  display: grid;
  min-height: 300px;
  margin-top: 30px;
}

.voice-slide {
  grid-area: 1 / 1;
  align-self: start;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(22px) scale(0.985);
  transition: opacity 0.5s var(--ease), transform 0.6s var(--ease), visibility 0.6s;
}

.voice-slide.is-active {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

.voice-kicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--blue-deep);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.11em;
}

.voice-kicker .stars { color: var(--amber); font-size: 11px; letter-spacing: 2px; }

.voice-slide blockquote {
  position: relative;
  margin-top: 27px;
  padding-left: 25px;
  color: var(--ink);
  font-size: clamp(23px, 2.45vw, 33px);
  font-weight: 760;
  line-height: 1.55;
  letter-spacing: -0.02em;
}

.voice-slide blockquote::before {
  content: "“";
  position: absolute;
  top: -22px;
  left: -4px;
  color: var(--blue);
  font-family: Georgia, serif;
  font-size: 76px;
  font-weight: 400;
  line-height: 1;
  opacity: 0.18;
}

.voice-seller {
  display: grid;
  gap: 2px;
  margin-top: 27px;
  padding-left: 14px;
  border-left: 3px solid var(--red);
}

.voice-seller b { color: var(--ink); font-size: 14px; font-weight: 760; }
.voice-seller span { color: var(--ink-4); font-size: 11.5px; }

.voice-controls {
  display: grid;
  grid-template-columns: auto auto minmax(80px, 1fr) auto;
  gap: 10px;
  align-items: center;
  margin-top: 34px;
}

.voice-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink-2);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 5px 14px rgba(12, 34, 84, 0.06);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.voice-arrow:hover {
  color: #fff;
  border-color: var(--blue);
  background: var(--blue);
  box-shadow: 0 9px 20px rgba(36, 87, 255, 0.24);
  transform: translateY(-2px);
}

.voice-arrow:focus-visible { outline: 3px solid rgba(36, 87, 255, 0.2); outline-offset: 2px; }
.voice-arrow svg { width: 17px; height: 17px; }

.voice-progress {
  height: 2px;
  margin: 0 10px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(36, 87, 255, 0.13);
}

.voice-progress i {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--red));
  transform: scaleX(0);
  transform-origin: left center;
}

.voice-stage.is-playing .voice-progress i { animation: voice-timer 6s linear both; }

.voice-position {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  color: var(--ink-4);
  font-family: var(--mono);
}

.voice-position b { color: var(--blue); font-size: 20px; }
.voice-position span { font-size: 10px; letter-spacing: 0.08em; }

.voice-stage-visual {
  position: relative;
  z-index: 2;
  min-height: 420px;
}

.voice-deck {
  position: relative;
  width: min(100%, 360px);
  height: 410px;
  margin: 4px auto 0;
}

.voice-portrait {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 10px 10px 52px;
  overflow: hidden;
  visibility: hidden;
  opacity: 0;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 20px 52px rgba(12, 34, 84, 0.15);
  pointer-events: none;
  transform: translate(0, 22px) rotate(0) scale(0.88);
  transition: opacity 0.65s var(--ease), transform 0.75s var(--ease), visibility 0.75s;
}

.voice-portrait::before {
  content: "";
  position: absolute;
  z-index: 2;
  top: 0;
  right: 0;
  left: 0;
  height: 6px;
  background: repeating-linear-gradient(-45deg,
    var(--red) 0 10px, #fff 10px 19px,
    var(--blue) 19px 29px, #fff 29px 38px);
}

.voice-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 17px;
}

.voice-portrait figcaption {
  position: absolute;
  right: 18px;
  bottom: 13px;
  left: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--ink-3);
  font-size: 11px;
}

.voice-portrait figcaption > span:first-child { display: flex; align-items: center; gap: 8px; }
.voice-portrait figcaption b { color: var(--ink); font-size: 12px; }
.voice-photo-no { color: var(--blue); font-family: var(--mono); font-size: 11px; font-weight: 750; letter-spacing: 0.06em; }

.voice-portrait.is-active {
  z-index: 3;
  visibility: visible;
  opacity: 1;
  transform: translate(-8px, 8px) rotate(-1.8deg) scale(1);
}

.voice-portrait.is-next {
  z-index: 2;
  visibility: visible;
  opacity: 0.52;
  transform: translate(23px, -14px) rotate(4.2deg) scale(0.95);
}

.voice-portrait.is-after {
  z-index: 1;
  visibility: visible;
  opacity: 0.24;
  transform: translate(40px, -26px) rotate(7.5deg) scale(0.9);
}

@keyframes voice-timer {
  to { transform: scaleX(1); }
}

@keyframes voice-pulse {
  0%, 100% { opacity: 0.5; transform: scale(0.84); }
  50% { opacity: 1; transform: scale(1); }
}

/* ================= 案例与资讯（cases 页） ================= */
.case-library {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 7% 18%, rgba(36, 87, 255, 0.07) 0 92px, transparent 93px),
    radial-gradient(circle at 96% 72%, rgba(239, 59, 45, 0.05) 0 116px, transparent 117px),
    linear-gradient(180deg, #fff 0%, #f8faff 48%, #fff 100%);
}

.case-library-head {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.74fr);
  gap: clamp(44px, 7vw, 92px);
  align-items: end;
  padding-bottom: 56px;
}

.case-library-intro > p:first-child {
  color: var(--ink-2);
  font-size: 15.5px;
  line-height: 1.9;
}

.case-simulation {
  position: relative;
  margin-top: 20px;
  padding-left: 16px;
  color: var(--ink-3);
  font-size: 12px;
  line-height: 1.75;
  border-left: 2px solid var(--red);
}

.case-simulation span {
  display: block;
  margin-bottom: 3px;
  color: var(--red);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.case-stories { border-top: 1px solid var(--line); }

.case-story {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: clamp(48px, 7vw, 88px);
  align-items: center;
  padding: 80px 0;
  border-bottom: 1px solid var(--line);
}

.case-story-media {
  position: relative;
  order: 1;
  margin: 0;
  padding: 0 18px 18px 0;
  isolation: isolate;
}

.case-story-media::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 28px 0 0 28px;
  border: 1px solid rgba(36, 87, 255, 0.17);
  border-radius: 26px;
  background: linear-gradient(145deg, rgba(36, 87, 255, 0.12), rgba(36, 87, 255, 0.02));
}

.case-story-media::after {
  content: "";
  position: absolute;
  z-index: 2;
  top: -4px;
  right: 42px;
  width: 112px;
  height: 8px;
  border-radius: 3px;
  background: repeating-linear-gradient(-45deg,
    var(--red) 0 9px, #fff 9px 17px,
    var(--blue) 17px 26px, #fff 26px 34px);
  box-shadow: 0 0 0 1px rgba(12, 24, 48, 0.03);
}

.case-story-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 24px;
  box-shadow: 0 22px 54px rgba(12, 34, 84, 0.15);
}

.case-story-media figcaption {
  position: absolute;
  z-index: 2;
  left: 20px;
  bottom: 34px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 99px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(8, 24, 52, 0.78);
  box-shadow: 0 8px 20px rgba(8, 24, 52, 0.16);
  backdrop-filter: blur(8px);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.case-story-media figcaption span {
  padding-right: 10px;
  border-right: 1px solid rgba(255, 255, 255, 0.24);
  color: #fff;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
}

.case-story-copy { order: 2; }

.case-story-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  color: var(--blue-deep);
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 650;
  letter-spacing: 0.06em;
}

.case-story-kicker span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 28px;
  border: 1px solid rgba(36, 87, 255, 0.24);
  border-radius: 99px;
  background: rgba(238, 243, 255, 0.82);
  font-size: 11px;
  letter-spacing: 0.05em;
}

.case-story h3 {
  color: var(--ink);
  font-size: clamp(28px, 3.25vw, 42px);
  font-weight: 820;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.case-story-summary {
  max-width: 520px;
  margin-top: 20px;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.9;
}

.case-playbook {
  max-width: 540px;
  margin-top: 26px;
  border-top: 1px solid var(--line);
}

.case-playbook > div {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.case-playbook dt {
  padding-top: 2px;
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.case-playbook dd {
  color: var(--ink-2);
  font-size: 13.5px;
  line-height: 1.75;
}

.case-playbook > div:last-child dt { color: var(--red); }

.case-story-reverse {
  grid-template-columns: minmax(360px, 0.92fr) minmax(0, 1.08fr);
}

.case-story-reverse .case-story-media {
  order: 2;
  padding: 0 0 18px 18px;
}

.case-story-reverse .case-story-media::before { inset: 28px 28px 0 0; }
.case-story-reverse .case-story-media::after { right: auto; left: 42px; }
.case-story-reverse .case-story-media figcaption { left: 38px; }
.case-story-reverse .case-story-copy { order: 1; }

/* ================= 关于我们（about 页） ================= */
.about-lead {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 56px;
  align-items: center;
}
.about-lead .al-copy p { color: var(--ink-2); font-size: 16px; line-height: 2; margin-top: 16px; }
.about-lead .al-copy p:first-child { margin-top: 0; }
.about-lead .al-copy p b { color: var(--ink); }

.about-figure {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--blue-ink), var(--blue));
  color: #fff;
  padding: 40px;
  box-shadow: var(--shadow-lg);
}
.about-figure .af-mark { width: 56px; height: 56px; border-radius: 15px; background: rgba(255,255,255,0.16); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 22px; }
.about-figure .af-mark svg { width: 30px; height: 30px; }
.about-figure blockquote { font-size: 20px; font-weight: 700; line-height: 1.6; letter-spacing: -0.01em; }
.about-figure .af-sign { margin-top: 20px; color: rgba(255,255,255,0.7); font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; }

/* 目的地生产网络 */
.factory-network {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
  background:
    radial-gradient(circle at 90% 18%, rgba(36, 87, 255, 0.075), transparent 24%),
    linear-gradient(180deg, #fff 0%, #f8faff 100%);
}

.factory-network-head { max-width: 760px; }

.factory-gallery {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.92fr 1fr;
  gap: 18px;
  align-items: start;
  margin-top: 56px;
}

.factory-gallery::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: 47%;
  left: 4%;
  right: 4%;
  height: 2px;
  background: repeating-linear-gradient(90deg, rgba(36, 87, 255, 0.25) 0 7px, transparent 7px 15px);
  transform: rotate(-1.2deg);
}

.factory-shot {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border: 1px solid rgba(36, 87, 255, 0.14);
  border-radius: var(--r-lg);
  background: var(--blue-soft);
  box-shadow: 0 18px 48px rgba(20, 53, 132, 0.14);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.factory-shot-print { aspect-ratio: 4 / 5; }
.factory-shot-finish { aspect-ratio: 1 / 1; margin-top: 68px; }
.factory-shot-handoff { aspect-ratio: 4 / 5; margin-top: 22px; }

.factory-shot::after {
  content: "";
  position: absolute;
  inset: 42% 0 0;
  background: linear-gradient(180deg, transparent, rgba(5, 16, 38, 0.84));
  pointer-events: none;
}

.factory-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s var(--ease);
}

.factory-shot:hover {
  transform: translateY(-7px);
  box-shadow: 0 26px 58px rgba(20, 53, 132, 0.19);
}

.factory-shot:hover img { transform: scale(1.035); }

.factory-shot figcaption {
  position: absolute;
  z-index: 2;
  right: 22px;
  bottom: 20px;
  left: 22px;
  color: #fff;
}

.factory-shot figcaption::before {
  content: "";
  display: block;
  width: 38px;
  height: 5px;
  margin-bottom: 11px;
  border-radius: 2px;
  background: repeating-linear-gradient(-45deg, var(--red) 0 6px, #fff 6px 10px, #4f75ff 10px 16px, #fff 16px 20px);
}

.factory-shot figcaption span {
  display: block;
  color: rgba(255, 255, 255, 0.76);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.12em;
}

.factory-shot figcaption strong {
  display: block;
  margin-top: 4px;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.35;
}

.factory-shot figcaption p {
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 12.5px;
}

.factory-note {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  color: var(--ink-4);
  font-size: 11.5px;
}

.factory-note::before {
  content: "";
  flex: 0 0 42px;
  height: 1px;
  background: var(--line);
}

/* 价值观网格 */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 52px; }
.value-card { border: 1px solid var(--line); border-radius: var(--r-lg); background: #fff; padding: 30px 28px; box-shadow: 0 1px 2px rgba(12, 34, 84, 0.04); }
.value-card .v-ic { width: 46px; height: 46px; border-radius: 13px; background: var(--blue-soft); color: var(--blue-deep); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.value-card .v-ic svg { width: 23px; height: 23px; }
.value-card h3 { color: var(--ink); font-size: 18.5px; font-weight: 750; }
.value-card p { margin-top: 9px; color: var(--ink-3); font-size: 14.3px; line-height: 1.75; }

/* 时间线 */
.timeline { position: relative; max-width: 780px; margin: 52px auto 0; }
.timeline::before { content: ""; position: absolute; top: 10px; bottom: 10px; left: 15px; width: 2px; background: repeating-linear-gradient(180deg, rgba(36,87,255,0.35) 0 6px, transparent 6px 13px); }
.tl-item { position: relative; display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 22px; padding-bottom: 34px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item .tl-dot { position: relative; z-index: 1; width: 32px; height: 32px; margin: 0 6px; border-radius: 10px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); display: flex; align-items: center; justify-content: center; color: var(--blue); font-family: var(--mono); font-size: 11px; font-weight: 700; }
.tl-item .tl-body .tl-year { color: var(--blue); font-family: var(--mono); font-size: 13px; font-weight: 700; letter-spacing: 0.06em; }
.tl-item .tl-body h3 { margin: 3px 0 6px; color: var(--ink); font-size: 18px; font-weight: 750; }
.tl-item .tl-body p { color: var(--ink-3); font-size: 14.3px; line-height: 1.75; }

/* 双地址卡 */
.office-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 40px; }
.office-card { border: 1px solid var(--line); border-radius: var(--r-lg); background: #fff; padding: 30px; box-shadow: var(--shadow); }
.office-card .o-city { display: flex; align-items: center; gap: 10px; color: var(--ink); font-size: 19px; font-weight: 800; }
.office-card .o-city .flag { font-size: 22px; }
.office-card .o-tag { display: inline-block; margin: 4px 0 16px; color: var(--ink-4); font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; }
.office-card .o-line { display: flex; align-items: flex-start; gap: 10px; margin-top: 12px; color: var(--ink-3); font-size: 14px; line-height: 1.7; }
.office-card .o-line svg { flex: 0 0 auto; width: 17px; height: 17px; margin-top: 3px; color: var(--ink-4); }
.office-card .o-line b { color: var(--ink-2); }
.office-card .o-line a { color: var(--ink-2); }
.office-card .o-line a:hover { color: var(--blue-deep); }

/* ================= 通用 CTA 区块 ================= */
.cta-band {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(860px 480px at 82% 8%, rgba(125, 168, 255, 0.5), transparent 62%),
    radial-gradient(720px 460px at 4% 96%, rgba(7, 20, 66, 0.48), transparent 58%),
    linear-gradient(135deg, #1236bd 0%, var(--blue) 56%, #3f6bff 100%);
}

/* 半调网点：呼应首页 hero 的印刷质感，只铺左上光区 */
.cta-band::after {
  content: "";
  position: absolute;
  inset: 10px 0 0;
  z-index: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.4) 1px, transparent 1.4px);
  background-size: 24px 24px;
  opacity: 0.15;
  -webkit-mask-image: linear-gradient(115deg, #000 10%, transparent 56%);
  mask-image: linear-gradient(115deg, #000 10%, transparent 56%);
  pointer-events: none;
}

.cta-band .container { position: relative; z-index: 1; }
.cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(240px, 0.75fr);
  gap: 48px;
  align-items: center;
  padding: 92px 0;
}
.cta-inner.solo { grid-template-columns: 1fr; text-align: center; padding: 80px 0; }
.cta-inner.solo .actions { justify-content: center; }
.cta-inner.solo .lede { margin-left: auto; margin-right: auto; }

.cta-band .eyebrow { color: rgba(255, 255, 255, 0.85); }
.cta-band .eyebrow::before { background: repeating-linear-gradient(-45deg, #ffb3ab 0 5px, transparent 5px 9px, #fff 9px 14px, transparent 14px 18px); }
.cta-inner.solo .eyebrow { justify-content: center; }

.cta-band h2 { color: #fff; font-size: clamp(28px, 3.8vw, 44px); font-weight: 800; line-height: 1.3; letter-spacing: -0.02em; }

.cta-band p.lede { margin-top: 16px; color: rgba(255, 255, 255, 0.78); font-size: 16.5px; max-width: 52ch; }

.cta-band .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.cta-band .btn-white {
  background: linear-gradient(180deg, #ffffff, #eef3ff);
  color: var(--blue-deep);
  box-shadow: inset 0 1px 0 #fff, inset 0 -1px 0 rgba(12, 34, 84, 0.08), 0 12px 28px -6px rgba(9, 22, 64, 0.42);
}
.cta-band .btn-white:hover {
  transform: translateY(-2px);
  box-shadow: inset 0 1px 0 #fff, inset 0 -1px 0 rgba(12, 34, 84, 0.08), 0 18px 36px -8px rgba(9, 22, 64, 0.5);
}

.cta-band .btn-outline { border-color: rgba(255, 255, 255, 0.45); color: #fff; background: transparent; }
.cta-band .btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, 0.1); transform: translateY(-2px); }

.cta-band .sub { margin-top: 16px; color: rgba(255, 255, 255, 0.6); font-size: 13px; }
.cta-band .sub a { color: #fff; border-bottom: 1px solid rgba(255, 255, 255, 0.4); cursor: pointer; }

.cta-env {
  position: relative;
  justify-self: center;
  width: min(300px, 100%);
}

.cta-env .env {
  border-radius: 12px;
  background: #fff;
  padding: 8px;
  box-shadow: 0 30px 70px rgba(9, 22, 64, 0.4);
  transform: rotate(3deg);
  animation: pc-float 7s ease-in-out infinite;
}

.cta-env .env-strip { height: 6px; border-radius: 3px 3px 0 0; background: repeating-linear-gradient(-45deg, var(--red) 0 8px, #fff 8px 16px, var(--blue) 16px 24px, #fff 24px 32px); }

.cta-env .env-body { padding: 20px 18px 16px; background: linear-gradient(160deg, #fffefa, #fbf7ec); border-radius: 0 0 6px 6px; }

.cta-env .env-body .to { color: var(--ink-4); font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.2em; }

.cta-env .env-body .hand { margin-top: 8px; color: #23407c; font-family: var(--hand); font-size: 16.5px; line-height: 1.7; }

.cta-env .env-meta { display: flex; justify-content: space-between; margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--line); color: var(--ink-4); font-family: var(--mono); font-size: 9px; letter-spacing: 0.12em; }

/* ================= FAQ ================= */
.faq {
  background:
    radial-gradient(680px 380px at 92% 6%, rgba(36, 87, 255, 0.07), transparent 60%),
    linear-gradient(180deg, #f3f7ff 0%, #f7faff 58%, #fff 100%);
}

.faq-list { max-width: 820px; margin: 44px auto 0; }

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: #fff;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.faq-item:hover { border-color: rgba(36, 87, 255, 0.3); }

.faq-item[open] { border-color: rgba(36, 87, 255, 0.42); box-shadow: var(--shadow); }

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 19px 24px;
  color: var(--ink);
  font-size: 16px;
  font-weight: 650;
  cursor: pointer;
  list-style: none;
  transition: color 0.15s var(--ease);
}

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

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

.faq-item summary .ic {
  flex: 0 0 auto;
  width: 26px; height: 26px;
  border-radius: 8px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700;
  transition: transform 0.2s var(--ease);
}

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

.faq-item .a {
  padding: 0 24px 20px;
  color: var(--ink-3);
  font-size: 14.8px;
  max-width: 68ch;
}

.faq-item .a a { color: var(--blue-deep); font-weight: 600; }

/* ================= 页脚 ================= */
.site-footer { background: linear-gradient(180deg, #fbfcff 0%, #f4f8ff 100%); border-top: 1px solid #e4ebf8; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 0.7fr 1.3fr;
  gap: 40px;
  padding: 64px 0 48px;
}

.footer-brand p { margin-top: 16px; color: var(--ink-3); font-size: 13.5px; max-width: 30ch; }

.footer-qr {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}

.footer-qr img {
  width: 84px; height: 84px;
  border-radius: 10px;
  border: 1px solid var(--line);
  padding: 4px;
  background: #fff;
}

.footer-qr span { color: var(--ink-4); font-size: 12px; line-height: 1.7; }

.site-footer h4 { color: var(--ink-4); font-family: var(--mono); font-size: 11px; font-weight: 650; letter-spacing: 0.18em; margin-bottom: 18px; }

.f-links li { margin-bottom: 11px; }
.f-links a { color: var(--ink-2); font-size: 14px; }
.f-links a:hover { color: var(--blue-deep); }

.f-contact li { display: flex; gap: 10px; margin-bottom: 14px; color: var(--ink-3); font-size: 13px; line-height: 1.7; }
.f-contact svg { flex: 0 0 auto; width: 16px; height: 16px; margin-top: 4px; color: var(--ink-4); }
.f-contact b { color: var(--ink-2); }
.f-contact a { color: var(--ink-2); }
.f-contact a:hover { color: var(--blue-deep); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding: 20px 0 28px;
  border-top: 1px solid var(--line-2);
  color: var(--ink-4);
  font-size: 12.5px;
}

.footer-bottom a { color: var(--ink-3); }
.footer-bottom a:hover { color: var(--blue-deep); }

/* ================= 客服弹窗 ================= */
.modal-wrap {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-wrap.open { display: flex; }

.modal-mask { position: absolute; inset: 0; background: rgba(8, 16, 40, 0.55); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }

.modal-card {
  position: relative;
  width: min(360px, 100%);
  border-radius: var(--r-lg);
  background: #fff;
  padding: 34px 30px 30px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: modal-in 0.25s var(--ease);
}

@keyframes modal-in { from { opacity: 0; transform: translateY(14px) scale(0.98); } to { opacity: 1; transform: none; } }

.modal-card .m-code { color: var(--blue-deep); font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.2em; }
.modal-card h3 { margin: 10px 0 6px; color: var(--ink); font-size: 20px; font-weight: 750; }
.modal-card > p { color: var(--ink-3); font-size: 13.5px; }
.modal-card img { width: 200px; height: 200px; margin: 20px auto 14px; border: 1px solid var(--line); border-radius: 12px; padding: 6px; }
.modal-card .m-alt { color: var(--ink-3); font-size: 13px; line-height: 2; }
.modal-card .m-alt a { color: var(--blue-deep); font-weight: 600; }

.modal-close {
  position: absolute;
  top: 14px; right: 14px;
  width: 32px; height: 32px;
  border: 0;
  border-radius: 9px;
  background: var(--line-2);
  color: var(--ink-3);
  font-size: 14px;
}

.modal-close:hover { background: var(--line); color: var(--ink); }

/* ================= 滚动显现 ================= */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  .platform-track { transform: none !important; }
  .platform-strip-duplicate { display: none; }
  .voice-stage-label i, .voice-progress i { animation: none !important; }
}

/* ================= 响应式 ================= */
@media (max-width: 860px) {
  .main-nav { display: none; }
  .nav-actions .nav-login { display: none; }
  .nav-actions .btn { display: none; }
  .burger { display: flex; }
  .platform-network-head { display: block; margin-bottom: 38px; }
  .platform-network-lede { max-width: 640px; margin-top: 20px; padding-bottom: 0; }
}

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .postcard-scene { min-height: 420px; max-width: 620px; margin: 0 auto; width: 100%; }
  .page-hero.has-visual .page-hero-grid { grid-template-columns: minmax(0, 1fr) minmax(320px, 0.64fr); gap: 12px; }
  .page-hero.has-visual .page-hero-visual { width: calc(100% + 64px); margin: 26px -32px 0; }
  .platform-network { padding-top: 82px; }
  .platform-network-head { grid-template-columns: minmax(0, 1fr) minmax(300px, 0.72fr); gap: 36px; }
  .platform-stage { height: 300px; }
  .platform-orbit-one { top: 0; }
  .platform-orbit-two { top: 98px; }
  .platform-orbit-three { top: 196px; }
  .platform-strip { width: 1100px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 26px 0; }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .why-stage { grid-template-columns: 1fr; }
  .why-noise { padding: 36px 30px 32px; }
  .wn-turn { padding-top: 26px; }
  .scene-grid { grid-template-columns: 1fr; }
  .how-wrap { grid-template-columns: 1fr; gap: 44px; }
  .how-left { position: static; }
  .price-wrap { grid-template-columns: 1fr; gap: 40px; }
  .cta-inner { grid-template-columns: 1fr; }
  .cta-env { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .solution { grid-template-columns: 1fr; gap: 36px; }
  .solution.flip .sol-visual { order: 0; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-split { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: repeat(2, 1fr); }
  .case-library-head { grid-template-columns: 1fr; gap: 28px; align-items: start; }
  .case-library-intro { max-width: 760px; }
  .case-story { grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr); gap: 42px; padding: 68px 0; }
  .case-story-reverse { grid-template-columns: minmax(320px, 0.85fr) minmax(0, 1fr); }
  .case-story h3 { font-size: clamp(28px, 3.6vw, 36px); }
  .about-lead { grid-template-columns: 1fr; gap: 40px; }
  .factory-shot-finish { margin-top: 46px; }
  .factory-shot-handoff { margin-top: 14px; }
  .voice-stage { grid-template-columns: minmax(0, 1fr) minmax(300px, 340px); gap: 42px; padding: 48px 40px; }
  .voice-stage-visual { min-height: 385px; }
  .voice-deck { width: 320px; height: 370px; }
  .value-grid { grid-template-columns: 1fr; }
  .office-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .reviews-head { grid-template-columns: 1fr; gap: 28px; align-items: start; }
  .reviews-summary { max-width: 680px; }
  .voice-stage { grid-template-columns: 1fr; gap: 36px; min-height: 0; margin-top: 40px; padding: 44px 34px; }
  .voice-stage-copy { order: 2; }
  .voice-stage-visual { order: 1; min-height: 365px; }
  .voice-deck { width: 310px; height: 355px; }
  .voice-slides { min-height: 280px; }
  .case-library-head { padding-bottom: 44px; }
  .case-story, .case-story-reverse { grid-template-columns: 1fr; gap: 34px; padding: 58px 0; }
  .case-story .case-story-media, .case-story-reverse .case-story-media { order: 1; padding: 0 12px 12px 0; }
  .case-story .case-story-media::before, .case-story-reverse .case-story-media::before { inset: 22px 0 0 22px; }
  .case-story .case-story-media::after, .case-story-reverse .case-story-media::after { right: 30px; left: auto; }
  .case-story .case-story-media figcaption, .case-story-reverse .case-story-media figcaption { left: 16px; bottom: 26px; }
  .case-story .case-story-copy, .case-story-reverse .case-story-copy { order: 2; }
  .case-story-summary, .case-playbook { max-width: none; }
}

@media (max-width: 760px) {
  .sec { padding: 72px 0; }
  .sec-tight { padding: 56px 0; }
  .main-nav { display: none; }
  .nav-actions .nav-login { display: none; }
  .nav-actions .btn { display: none; }
  .burger { display: flex; }
  .hero { padding: 128px 0 40px; }
  .hero-route { display: none; }
  .hero-sky .aur, .hero-sky .beam, .hero-sky .glow { display: none; }
  .hero-v2 { padding: 104px 0 56px; }
  .hero-eyebrow { margin-bottom: 16px; }
  .mega-border { padding: 8px; border-radius: 18px; }
  .mega-inner { border-radius: 11px; padding: 20px 18px 22px; }
  .mega-title { font-size: clamp(42px, 11.8vw, 54px); }
  .mega-sub { font-size: 14.5px; }
  .mega-cta .btn { flex: 1 1 100%; }
  .mega-stamp { top: 14px; right: 14px; width: 64px; }
  .mega-postmark { top: -16px; right: 60px; width: 90px; }
  .mega-tag { display: none; }
  .hero-meta-center { margin-top: 28px; gap: 8px 16px; }
  .hero-v2 .sky-word, .hero-v2 .comet { display: none; }
  .hero-title { font-size: clamp(58px, 15.4vw, 70px); }
  .hero-sub { font-size: 15.5px; }
  .hero-cta .btn { flex: 1 1 100%; }
  .postcard-scene { min-height: 0; padding-bottom: 10px; }
  .pc-back-card { display: none; }
  .pc-main { position: relative; top: 0; width: 100%; }
  .pc-postmark { width: 84px; height: 84px; top: -14px; right: -4px; opacity: 0.75; }
  .pc-tag { position: static; margin-top: 16px; display: inline-flex; }
  .sol-visual { min-height: 0; margin-top: 4px; }
  .factory-gallery { grid-template-columns: 1fr; gap: 16px; margin-top: 38px; }
  .factory-gallery::before { display: none; }
  .factory-shot-print, .factory-shot-finish, .factory-shot-handoff { aspect-ratio: 4 / 3; margin-top: 0; }
  .factory-shot figcaption { right: 18px; bottom: 17px; left: 18px; }
  .platform-network { padding: 70px 0 48px; }
  .platform-network-head { display: block; margin-bottom: 36px; }
  .platform-network-lede { margin-top: 20px; padding-bottom: 0; }
  .platform-stage { height: 276px; }
  .platform-orbit {
    left: 0;
    width: 100%;
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 14%, #000 86%, transparent 100%);
    mask-image: linear-gradient(90deg, transparent 0%, #000 14%, #000 86%, transparent 100%);
  }
  .platform-orbit-one { top: 0; }
  .platform-orbit-two { top: 90px; }
  .platform-orbit-three { top: 180px; }
  .platform-strip { width: 1020px; }
  .platform-disclaimer { max-width: 300px; line-height: 1.6; }
  .why-stage { margin-top: 44px; border-radius: 20px; }
  .why-noise { padding: 30px 22px 28px; }
  .wn-msg:nth-child(2) { margin-left: 12px; }
  .wn-msg:nth-child(3) { margin-left: 24px; }
  .why-mail {
    grid-template-columns: minmax(0, 1fr) 118px;
    gap: 16px 18px;
    padding: 26px 22px;
  }
  .wm-word { grid-column: 1; grid-row: 1; align-self: center; }
  .wm-photo { grid-column: 2; grid-row: 1; }
  .wm-photo img { height: 84px; }
  .wm-copy { grid-column: 1 / -1; grid-row: 2; }
  .wm-word b { font-size: 32px; }
  .voice-stage { padding: 38px 22px; gap: 32px; }
  .voice-stage-label { font-size: 9.5px; }
  .voice-slide blockquote { padding-left: 20px; font-size: 24px; }
  .voice-controls { margin-top: 28px; }
  .scene { grid-template-columns: 1fr; }
  .scene-mini { max-width: 250px; }
  .step { grid-template-columns: 44px 1fr; gap: 16px; }
  .step .s-dot { width: 44px; height: 44px; border-radius: 13px; }
  .step-list::before { left: 21px; }
  .how-eta { margin-left: 0; }
  .price-table th, .price-table td { padding-left: 16px; padding-right: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .page-hero { padding: 120px 0 52px; }
  .page-hero.has-visual .page-hero-grid { display: block; }
  .page-hero.has-visual .page-hero-visual { width: min(480px, 100%); margin: 28px auto -8px; transform: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr 1fr; }
  .price-full { overflow-x: auto; }
  .price-full table { min-width: 620px; }
  .sol-metrics { gap: 18px; }
}

@media (max-width: 480px) {
  .platform-network { padding-top: 62px; }
  .platform-stage { height: 248px; }
  .platform-orbit-one { top: 0; }
  .platform-orbit-two { top: 80px; }
  .platform-orbit-three { top: 160px; }
  .platform-strip { width: 880px; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat { border-left: 0; padding: 6px 0; }
  .spec-grid { grid-template-columns: 1fr; }
  .why-noise { padding: 26px 18px 24px; }
  .wn-msg { gap: 10px; padding: 12px; }
  .wn-msg:nth-child(2), .wn-msg:nth-child(3) { margin-left: 0; }
  .wn-body > span { display: none; }
  .wn-turn p { font-size: 15.5px; }
  .why-mail { grid-template-columns: minmax(0, 1fr) 96px; padding: 24px 18px; }
  .wm-photo img { height: 68px; }
  .reviews-count .count-no { font-size: 40px; }
  .voice-stage { padding: 34px 18px; }
  .voice-stage-visual { min-height: 325px; }
  .voice-deck { width: 260px; height: 305px; }
  .voice-slides { min-height: 310px; }
  .voice-slide blockquote { font-size: 22px; }
  .voice-progress { margin: 0 4px; }
  .case-story h3 { font-size: 28px; }
  .case-story-media img { border-radius: 18px; }
  .case-story-media::before { border-radius: 20px; }
  .case-story-media figcaption { gap: 7px; padding: 7px 10px; font-size: 9.5px; }
  .case-story-media figcaption span { padding-right: 7px; font-size: 8.5px; }
  .case-playbook > div { grid-template-columns: 1fr; gap: 4px; }
  .case-playbook dt { padding-top: 0; }
}

/* ================= 首页 Hero ·「晴空邮路」目的地翻牌 + 航空明信片 ================= */
.postal-hero {
  --ph-paper: #fffdf6;
  --ph-pen: #23407c;
  --ph-mark: #d5462f;
  --ph-out: cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: min(100svh, 850px);
  padding: 104px 0 64px;
  background: linear-gradient(180deg, #d9ebff 0%, #eef5ff 46%, #ffffff 100%);
}

/* -- 晴空：日光 + 慢速流云 -- */
.ph-sky { position: absolute; inset: 0; z-index: 0; pointer-events: none; }

.ph-sun {
  position: absolute;
  top: -16%;
  right: 13%;
  width: 560px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 244, 212, 0.92) 0%, rgba(255, 247, 224, 0.42) 38%, transparent 68%);
}

.ph-cloud { position: absolute; border-radius: 999px; background: #fff; filter: blur(26px); opacity: 0.75; }
.ph-cloud-a { top: 15%; left: 5%; width: 340px; height: 74px; animation: phDrift 84s ease-in-out infinite alternate; }

@keyframes phDrift { from { transform: translateX(-40px); } to { transform: translateX(46px); } }

/* -- 旋转点阵地球（COBE WebGL + 邮路弧线层，home-globe.js 驱动）--
      与明信片同心：完整球体衬在明信片正后方，四周露出圆形弧环 -- */
.postal-hero { --ph-globe-d: min(56vw, 780px); }

.ph-globe {
  position: absolute;
  left: 73.5%;
  top: 57%;
  z-index: 1;
  width: var(--ph-globe-d);
  height: var(--ph-globe-d);
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0;
  animation: phGlobeIn 1.2s ease 0.4s forwards;
}

@keyframes phGlobeIn { to { opacity: 0.95; } }

/* -- 「邮路实况」浮牌：内容由 home-globe.js 随弧线事件实时刷新 -- */
.ph-live {
  position: absolute;
  left: 48%;
  bottom: 52px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 17px 10px 14px;
  border: 1px solid rgba(36, 87, 255, 0.18);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(247, 250, 255, 0.84));
  -webkit-backdrop-filter: blur(10px) saturate(1.4);
  backdrop-filter: blur(10px) saturate(1.4);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(14px);
  animation: phFadeUp 0.7s var(--ph-out) 1.35s forwards;
}

.ph-live-dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  animation: phLivePulse 2.2s ease-out infinite;
}

@keyframes phLivePulse {
  0% { box-shadow: 0 0 0 0 rgba(10, 156, 102, 0.35); }
  70% { box-shadow: 0 0 0 9px rgba(10, 156, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(10, 156, 102, 0); }
}

.ph-live-body { display: grid; gap: 2px; }

.ph-live-body b {
  color: var(--ink-4);
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.ph-live-body span {
  min-width: 196px;
  color: var(--ink-2);
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
}

.ph-live-body span.is-new { animation: phLiveIn 0.42s var(--ph-out); }

@keyframes phLiveIn {
  from { opacity: 0; transform: translateY(7px); }
}

.ph-globe canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* -- 版式：文案左置，明信片右侧压边出血 -- */
.ph-layout {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 540px;
}

.ph-copy { position: relative; z-index: 3; max-width: 640px; }

.postal-hero h1 {
  margin-top: 2px;
  color: var(--ink);
  font-size: clamp(44px, 5vw, 72px);
  font-weight: 850;
  line-height: 1.14;
  letter-spacing: -0.045em;
}

.ph-line { display: block; overflow: hidden; padding: 0.2em 0.14em 0.26em; margin: -0.2em -0.14em -0.26em; }

.ph-line-in { display: inline-block; transform: translateY(132%); animation: phRise 0.85s var(--ph-out) forwards; }
.ph-line:nth-child(1) .ph-line-in { animation-delay: 0.1s; }
.ph-line:nth-child(2) .ph-line-in { animation-delay: 0.2s; }

@keyframes phRise { to { transform: translateY(0); } }

.ph-rise { opacity: 0; transform: translateY(16px); animation: phFadeUp 0.7s var(--ph-out) forwards; animation-delay: var(--pd, 0s); }

@keyframes phFadeUp { to { opacity: 1; transform: translateY(0); } }
@keyframes phFade { to { opacity: 1; } }

.ph-lede { max-width: 540px; margin-top: 22px; color: var(--ink-3); font-size: 17px; line-height: 1.85; }

.ph-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

/* -- 「信箱」手绘圈注：红墨落笔描边，先圈重点、后落邮戳 -- */
.ph-ring { position: relative; display: inline-block; }

.ph-ring svg {
  position: absolute;
  left: -13%;
  top: -19%;
  width: 127%;
  height: 140%;
  overflow: visible;
  pointer-events: none;
}

.ph-ring path {
  fill: none;
  stroke: var(--ph-mark);
  stroke-width: 4.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.82;
  stroke-dasharray: 400;
  stroke-dashoffset: 400;
  animation: phRingDraw 0.72s cubic-bezier(0.3, 0, 0.2, 1) 1s forwards;
}

@keyframes phRingDraw { to { stroke-dashoffset: 0; } }

/* -- 明信片舞台 -- */
.ph-stage {
  position: absolute;
  top: 50%;
  right: clamp(-60px, -3vw, -24px);
  z-index: 1;
  width: min(51vw, 660px);
  margin: 0;
  opacity: 0;
  animation: phLand 0.95s cubic-bezier(0.18, 0.9, 0.28, 1.06) 0.3s forwards;
}

@keyframes phLand {
  from { opacity: 0; transform: translateY(calc(-50% + 42px)) scale(0.96); }
  to { opacity: 1; transform: translateY(-50%) scale(1); }
}

.ph-stage::after {
  content: "";
  position: absolute;
  left: 10%;
  right: 6%;
  bottom: -36px;
  height: 44px;
  border-radius: 50%;
  background: radial-gradient(50% 50% at 50% 50%, rgba(17, 42, 108, 0.22), transparent 70%);
  filter: blur(6px);
}

.ph-tilt {
  position: relative;
  transform: perspective(1300px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transform-style: preserve-3d;
  will-change: transform;
}

.ph-card-back {
  position: absolute;
  top: 7%;
  right: -3.5%;
  width: 86%;
  height: 90%;
  border-radius: 10px;
  background: #fff;
  box-shadow: var(--shadow);
  transform: rotate(3.6deg);
}

.ph-card-back::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 7px;
  border-radius: 10px 10px 0 0;
  background: repeating-linear-gradient(-45deg,
    var(--red) 0 8px, #fff 8px 16px,
    var(--blue) 16px 24px, #fff 24px 32px);
  opacity: 0.85;
}

.ph-card {
  position: relative;
  aspect-ratio: 100 / 67;
  border-radius: 12px;
  padding: clamp(7px, 0.85vw, 10px);
  background: repeating-linear-gradient(-45deg,
    var(--red) 0 9px, #f6f8ff 9px 18px,
    var(--blue) 18px 27px, #f6f8ff 27px 36px);
  box-shadow: var(--shadow-lg), 0 42px 90px -30px rgba(20, 52, 140, 0.35);
  transform: rotate(-3.5deg);
  animation: phJolt 0.34s ease 1.52s;
  font-size: clamp(8.5px, 1.05vw, 13.5px);
}

@keyframes phJolt {
  0% { transform: rotate(-3.5deg); }
  35% { transform: rotate(-4.6deg) translateY(2px); }
  70% { transform: rotate(-3.1deg); }
  100% { transform: rotate(-3.5deg); }
}

.ph-card-in {
  position: relative;
  height: 100%;
  border-radius: 6px;
  overflow: hidden;
  background: linear-gradient(160deg, #fffefa 0%, var(--ph-paper) 55%, #fbf7ec 100%);
  box-shadow: inset 0 1px 0 #fff, inset 0 0 0 1px rgba(190, 178, 148, 0.18);
}

.ph-card-in::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(460px at var(--gx, 72%) var(--gy, 18%), rgba(255, 255, 255, 0.5), transparent 62%);
  opacity: 0.55;
  pointer-events: none;
}

.ph-head { position: absolute; top: 7%; left: 5.5%; display: grid; gap: 0.55em; justify-items: start; }
.ph-head b { color: var(--ink); font-family: var(--mono); font-size: 1em; font-weight: 700; letter-spacing: 0.12em; }

.ph-head span {
  padding: 0.3em 0.62em;
  border: 1px solid rgba(36, 87, 255, 0.55);
  border-radius: 0.35em;
  color: var(--blue-deep);
  font-family: var(--mono);
  font-size: 0.78em;
  font-weight: 700;
  letter-spacing: 0.17em;
}

/* 邮票：白边 + 齿孔 + 蓝天纸飞机票面 */
.ph-stamp {
  position: absolute;
  top: 5.5%;
  right: 4.5%;
  z-index: 2;
  display: block;
  width: 18%;
  aspect-ratio: 10 / 12.4;
  padding: 0.42em;
  background: #fff;
  box-shadow: 0 1px 3px rgba(30, 50, 110, 0.22), 0 5px 12px -4px rgba(30, 50, 110, 0.2);
  transform: rotate(2deg);
}

.ph-stamp::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle 2.1px, var(--ph-paper) 98%, transparent 100%),
    radial-gradient(circle 2.1px, var(--ph-paper) 98%, transparent 100%),
    radial-gradient(circle 2.1px, var(--ph-paper) 98%, transparent 100%),
    radial-gradient(circle 2.1px, var(--ph-paper) 98%, transparent 100%);
  background-size: 7px 7px, 7px 7px, 7px 7px, 7px 7px;
  background-repeat: repeat-x, repeat-x, repeat-y, repeat-y;
  background-position: 0 -3.5px, 0 calc(100% + 3.5px), -3.5px 0, calc(100% + 3.5px) 0;
}

.ph-stamp-art {
  position: relative;
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 2px;
  background: linear-gradient(200deg, #6fa1ff 0%, #2f62f5 58%, #1b3fd0 100%);
}

.ph-stamp-art svg {
  width: 52%;
  height: auto;
  color: #fff;
  transform: rotate(-8deg) translateY(-9%);
  filter: drop-shadow(0 2px 3px rgba(10, 25, 80, 0.35));
}

.ph-stamp-art b {
  position: absolute;
  top: 0.32em;
  right: 0.45em;
  color: #fff;
  font-family: var(--mono);
  font-size: 1.05em;
  font-weight: 800;
}

.ph-stamp-art em {
  position: absolute;
  bottom: 0.42em;
  left: 0;
  right: 0;
  color: rgba(255, 255, 255, 0.92);
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.52em;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-align: center;
}

/* 邮戳：延迟落章 + 印油叠色 */
.ph-postmark {
  position: absolute;
  top: 5%;
  right: 13.5%;
  z-index: 3;
  width: 50%;
  height: auto;
  color: var(--ph-mark);
  mix-blend-mode: multiply;
  opacity: 0;
  transform: scale(1.9) rotate(3deg);
  animation: phStampDown 0.5s cubic-bezier(0.3, 1.55, 0.45, 1) 1.28s forwards;
}

@keyframes phStampDown {
  0% { opacity: 0; transform: scale(1.9) rotate(3deg); }
  60% { opacity: 0.92; }
  100% { opacity: 0.88; transform: scale(1) rotate(-7deg); }
}

.ph-msg { position: absolute; top: 45.5%; left: 6%; width: 42%; transform: rotate(-1.6deg); }
.ph-msg p { color: var(--ph-pen); font-family: var(--hand); font-size: 1.55em; font-weight: 600; line-height: 1.75; }
.ph-msg i { font-style: normal; color: var(--ph-mark); }

.ph-divider { position: absolute; top: 30%; bottom: 12%; left: 52%; width: 1px; background: rgba(16, 40, 92, 0.18); }

.ph-addr {
  position: absolute;
  top: 44%;
  left: 58%;
  width: 37%;
  display: grid;
  gap: 0.52em;
  color: #31405e;
  font-family: var(--mono);
  font-size: 0.95em;
  letter-spacing: 0.05em;
}

.ph-addr .ph-to {
  justify-self: start;
  padding: 0.12em 0.5em;
  border: 1px solid rgba(16, 40, 92, 0.3);
  border-radius: 0.3em;
  color: #5a6a8c;
  font-size: 0.72em;
  font-weight: 700;
  letter-spacing: 0.24em;
}

.ph-addr b { margin-top: 0.1em; color: var(--ink); font-weight: 700; letter-spacing: 0.06em; }

.ph-imb {
  margin-top: 0.55em;
  width: 92%;
  height: 11px;
  opacity: 0.85;
  background-image:
    repeating-linear-gradient(90deg, var(--ph-paper) 0 2.4px, transparent 2.4px 8.8px),
    repeating-linear-gradient(90deg, var(--ph-paper) 0 2.4px, transparent 2.4px 13.2px),
    repeating-linear-gradient(90deg, #3a4a6e 0 1.7px, transparent 1.7px 4.4px);
  background-size: 8.8px 3.6px, 13.2px 3.6px, auto auto;
  background-position: 1.7px 0, 5.5px 100%, 0 0;
  background-repeat: repeat-x, repeat-x, repeat;
}

/* -- 降级：减少动态 -- */
@media (prefers-reduced-motion: reduce) {
  .ph-line-in, .ph-rise, .ph-stage, .ph-globe, .ph-postmark,
  .ph-cloud, .ph-card, .ph-ring path { animation: none; }
  .ph-line-in { transform: none; }
  .ph-rise { opacity: 1; transform: none; }
  .ph-stage { opacity: 1; }
  .ph-globe { opacity: 0.85; }
  .ph-postmark { opacity: 0.88; transform: scale(1) rotate(-7deg); }
  .ph-ring path { stroke-dashoffset: 0; }
}

/* -- 响应式 -- */
@media (max-width: 1120px) {
  .ph-copy { max-width: 560px; }
  .ph-stage { width: min(48vw, 560px); right: clamp(-40px, -2vw, -16px); }
}

@media (max-width: 960px) {
  .postal-hero { min-height: 0; padding: 96px 0 44px; }
  .ph-layout { min-height: 0; }
  .ph-copy { max-width: 620px; }
  .ph-globe {
    --ph-globe-d: min(110vw, 520px);
    left: 50%;
    top: auto;
    bottom: calc(var(--ph-globe-d) * -0.35);
    transform: translateX(-50%);
  }
  .ph-live { display: none; }
  .ph-sun { right: -12%; top: -10%; width: 420px; }

  .ph-stage {
    position: relative;
    top: auto;
    right: auto;
    width: min(600px, 100%);
    margin: 56px auto 12px;
    animation-name: phLandFlow;
  }

  .ph-card { font-size: clamp(7.5px, 1.75vw, 12.5px); }
}

@keyframes phLandFlow {
  from { opacity: 0; transform: translateY(28px) scale(0.97); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 560px) {
  .postal-hero { padding: 88px 0 36px; }
  .postal-hero h1 { font-size: clamp(34px, 9.8vw, 44px); letter-spacing: -0.03em; }
  .ph-lede { margin-top: 18px; font-size: 15.5px; }
  .ph-actions { margin-top: 24px; }
  .ph-actions .btn { flex: 1 1 100%; }
  .ph-stage { margin-top: 42px; }
  .ph-stage::after { bottom: -22px; height: 28px; }
  .ph-card { border-radius: 10px; font-size: clamp(6.8px, 2.1vw, 9px); }
  .ph-cloud-c { display: none; }
}