/* ═══════════════════════════════════════════════════════════
   CoffChat 官网 · 视觉系统
   官方品牌四色：深绿 #1F3D32 · 鼠尾草绿 #9CAF97 · 暖白 #FAF7EE · 橙 #F6865B
   衬线标题 · 手写批注 · 轨迹曲线 · 墨绿渐变面
   ═══════════════════════════════════════════════════════════ */

/* ── 1. 设计令牌 ─────────────────────────────────────────── */
:root {
  /* 深绿：品牌主色（官方 #1F3D32 = green-800），其余为同族明暗阶 */
  --green-950: #0D1D16;
  --green-900: #142B22;
  --green-850: #1A352A;
  --green-800: #1F3D32;
  --green-700: #2A5043;
  --green-600: #3A6455;
  --green-500: #4F7C6A;
  --green-400: #6E9683;
  --green-100: #DEE6DA;

  /* 鼠尾草绿（官方 #9CAF97 = sage） */
  --sage: #9CAF97;
  --sage-400: #B3C1AC;
  --sage-300: #CAD5C3;
  --sage-200: #DFE5D8;
  --sage-100: #EFF2E9;

  /* 纸（官方暖白 #FAF7EE = paper） */
  --paper: #FAF7EE;
  --paper-2: #F2EDE0;
  --cream: #FAF8EF;
  --cream-card: #FEFDF9;
  --cream-line: #E6E0CF;

  /* 墨 */
  --ink: #1D2A23;
  --ink-2: #46534B;
  --ink-3: #5A675E;
  --ink-4: #A5ADA2;

  /* 页脚次级文字：在 green-950 上约 8:1（AA 达标） */
  --foot-dim: #A3B29B;

  /* 橙（官方 #F6865B = clay）。--clay-ink 是它在浅色纸面上
     通过 AA（4.5:1）的加深版，只用于小号文字 */
  --clay: #F6865B;
  --clay-ink: #B5502A;
  --clay-soft: #F4A87F;
  --clay-tint: rgba(246, 134, 91, 0.13);

  /* 发丝线 */
  --hair: rgba(29, 42, 35, 0.09);
  --hair-2: rgba(29, 42, 35, 0.16);
  --hair-light: rgba(250, 248, 239, 0.14);
  --hair-light-2: rgba(250, 248, 239, 0.26);

  /* 字体 */
  --f-display: "Fraunces", "Noto Serif SC", "Songti SC", "STSong", serif;
  --f-body: "Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --f-hand: "Ma Shan Zheng", "Noto Serif SC", cursive;

  /* 尺寸 */
  --wrap: 1240px;
  --nav-h: 76px;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-2xl: 36px;
  --r-3xl: 48px;

  /* 阴影 */
  --sh-1: 0 1px 2px rgba(29, 42, 35, 0.04);
  --sh-2: 0 4px 14px -6px rgba(29, 42, 35, 0.10);
  --sh-3: 0 18px 40px -22px rgba(29, 42, 35, 0.22);
  --sh-4: 0 40px 80px -40px rgba(20, 43, 34, 0.40);
  --sh-dark: 0 40px 90px -44px rgba(13, 29, 22, 0.62);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── 2. 归零与基底 ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  /* 刻意不设 scroll-padding-top：它会把 mandatory snap 的每个停靠点
     整体上移，让上一屏的尾部停在固定导航下方、被切出一条。
     各区块用自身 ≥96px 的顶部内边距保证内容落在导航（76px）之下。 */
  -webkit-text-size-adjust: 100%;
}

/* ── 整页停靠（按页滚动） ──────────────────────────────────
   用 mandatory 强制吸附，保证"一页一页停"；但若只把区块起点设为停靠点，
   高于视口的区块（理念区、信任区等）会被拽回顶部、读不完中间内容。
   所以由 JS 把超高区块按视口高度切成若干「页」，插入零高度锚点
   （.snap-anchor），使相邻停靠点间距始终约一屏——既能逐页停靠，
   也能读完长区块。scroll-snap-stop: normal 允许快速滑动跨越多个停靠点。 */
html.snap-on {
  scroll-snap-type: y mandatory;
}
html.snap-on .snap-anchor,
html.snap-on .snap-edge {
  scroll-snap-align: start;
  scroll-snap-stop: normal;
}
/* 锚点的定位参照：body 与承载锚点的区块 */
body { position: relative; }
.hero, .sec, .foot { position: relative; }
/* 锚点本身不可见、不参与布局流 */
.snap-anchor {
  position: absolute;
  left: 0;
  width: 1px;
  height: 0;
  pointer-events: none;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0; }
h1, h2, h3 { margin: 0; font-weight: 400; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

::selection { background: var(--green-800); color: var(--cream); }
:focus-visible { outline: 2px solid var(--clay-ink); outline-offset: 3px; border-radius: 4px; }

/* ── 3. 纸张颗粒 ─────────────────────────────────────────── */
/* 刻意不用 mix-blend-mode：全屏混合层会强制整页每帧重新合成，滚动时明显掉帧。 */
.grain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.42;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='0.22'/%3E%3C/svg%3E");
}

/* ── 4. 阅读进度 ─────────────────────────────────────────── */
.progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 950;
  background: transparent;
  pointer-events: none;
}
.progress span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--sage) 0%, var(--clay) 100%);
  transform-origin: left;
  transition: width 0.15s linear;
}

/* ── 5. 版心与通用 ───────────────────────────────────────── */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding-inline: clamp(20px, 5vw, 56px);
}

.br-desk { display: none; }
@media (min-width: 860px) { .br-desk { display: inline; } }

.ico { width: 15px; height: 15px; flex-shrink: 0; }
.dot-cn { color: var(--clay); }

/* ── 6. 曲线轨迹系统 ─────────────────────────────────────── */
/* 「轨迹」是全站的图形母题：呼应「生活轨迹不同的人在此相遇」。
   所有曲线用 pathLength=1 归一化（JS 注入），以 stroke-dashoffset 生长。 */
.traj { position: absolute; pointer-events: none; }
.traj path {
  fill: none;
  stroke-linecap: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset 2.4s var(--ease-out);
}
.is-drawn .traj path { stroke-dashoffset: 0; }
.traj path:nth-child(2) { transition-delay: 0.12s; }
.traj path:nth-child(3) { transition-delay: 0.24s; }
.traj path:nth-child(4) { transition-delay: 0.36s; }
.traj path:nth-child(5) { transition-delay: 0.48s; }

/* ── 7. 按钮 ─────────────────────────────────────────────── */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  transition: transform 0.45s var(--ease-out), background-color 0.3s var(--ease),
              color 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.45s var(--ease-out);
}
.btn:active { transform: translateY(1px) scale(0.99); }

.btn-solid {
  background: var(--green-800);
  color: var(--cream);
  padding: 12px 24px;
  box-shadow: 0 10px 24px -14px rgba(20, 43, 34, 0.72);
}
/* 悬停时一层墨绿渐变由内向外铺开 */
.btn-solid::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, var(--green-700) 0%, var(--green-950) 100%);
  opacity: 0;
  transition: opacity 0.45s var(--ease);
}
.btn-solid:hover::before { opacity: 1; }
.btn-solid > * { position: relative; z-index: 1; }
.btn-solid:hover {
  box-shadow: 0 18px 38px -16px rgba(20, 43, 34, 0.72);
}
.btn-solid .ico { transition: transform 0.4s var(--ease-out); }
.btn-solid:hover .ico { transform: translateX(3px); }

.btn-line {
  border: 1px solid var(--hair-2);
  color: var(--ink);
  padding: 12px 24px;
}
.btn-line:hover {
  border-color: var(--green-800);
  color: var(--green-800);
  background: rgba(31, 61, 50, 0.05);
}

.btn-lg { padding: 15px 30px; font-size: 15.5px; }

/* ── 8. 导航 ─────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  transition: background-color 0.45s var(--ease), box-shadow 0.45s var(--ease),
              border-color 0.45s var(--ease), backdrop-filter 0.45s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(250, 247, 238, 0.85);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom-color: var(--hair);
  box-shadow: 0 8px 30px -22px rgba(29, 42, 35, 0.4);
}

.nav-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 14px clamp(20px, 5vw, 56px);
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: var(--nav-h);
}

.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
/* 官方图标：倾斜碗形杯 × 气泡（原图矢量描摹），无方形底 */
.brand-mark {
  width: 50px;
  height: 37px;
  color: var(--green-800);
  flex-shrink: 0;
  transition: transform 0.5s var(--ease-out);
}
.brand-mark svg { width: 100%; height: 100%; display: block; }
.brand:hover .brand-mark { transform: rotate(-4deg) scale(1.05); }

.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
/* 字标：Noto Sans Black，紧排、有分量 */
.brand-name {
  font-family: "Noto Sans", "Noto Sans SC", var(--f-body);
  font-size: 21px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--green-800);
}
.brand-tag {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--ink-2);
  margin-top: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: auto;
}
.nav-links a {
  font-size: 14px;
  color: var(--ink-2);
  position: relative;
  padding: 4px 0;
  transition: color 0.3s var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--green-800);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease-out);
}
.nav-links a:hover { color: var(--green-800); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-act { display: flex; align-items: center; gap: 14px; }

.nav-burger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--hair);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  margin-left: auto;
}
.nav-burger span {
  display: block;
  width: 17px;
  height: 1.5px;
  background: var(--green-800);
  border-radius: 2px;
  transition: transform 0.4s var(--ease-out);
}
.nav-burger[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:last-child { transform: translateY(-3.25px) rotate(-45deg); }

/* 抽屉 */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 880;
  background: var(--cream);
  padding: calc(var(--nav-h) + 40px) clamp(24px, 7vw, 56px) 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.4s var(--ease), transform 0.5s var(--ease-out), visibility 0.4s;
}
.drawer.is-open { opacity: 1; visibility: visible; transform: none; }
.drawer-links { display: flex; flex-direction: column; gap: 6px; }
.drawer-links a {
  font-family: var(--f-display);
  font-size: clamp(24px, 7vw, 32px);
  color: var(--green-800);
  padding: 12px 0;
  border-bottom: 1px solid var(--hair);
  transition: padding-left 0.4s var(--ease-out), color 0.3s;
}
.drawer-links a:hover { padding-left: 10px; color: var(--clay); }
.drawer-foot {
  font-family: var(--f-display);
  font-style: italic;
  font-size: 15px;
  color: var(--ink-2);
}

/* ── 9. 揭示动画 ─────────────────────────────────────────── */
/* 刻意不给 .reveal 加 will-change：页面上有 40+ 个揭示元素，
   常驻 will-change 会一次性创建同等数量的合成层，把合成器压垮、
   滚动明显掉帧。改为动画进行中才短暂提升（见 .reveal.is-anim）。 */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.is-anim { will-change: opacity, transform; }
.reveal[data-d="1"] { transition-delay: 0.08s; }
.reveal[data-d="2"] { transition-delay: 0.16s; }
.reveal[data-d="3"] { transition-delay: 0.24s; }
.reveal[data-d="4"] { transition-delay: 0.32s; }
.reveal[data-d="5"] { transition-delay: 0.40s; }
.reveal[data-d="6"] { transition-delay: 0.48s; }
.reveal.is-in { opacity: 1; transform: none; }

/* ── 10. Hero ────────────────────────────────────────────── */
.hero {
  position: relative;
  padding-top: calc(var(--nav-h) + clamp(44px, 8vh, 84px));
  padding-bottom: clamp(52px, 7vh, 88px);
  overflow: hidden;
  background:
    radial-gradient(90% 70% at 88% -10%, rgba(156, 175, 151, 0.42) 0%, rgba(156, 175, 151, 0) 62%),
    radial-gradient(70% 60% at 6% 92%, rgba(246, 134, 91, 0.12) 0%, rgba(246, 134, 91, 0) 66%),
    linear-gradient(180deg, #F4F0E3 0%, var(--paper) 46%, var(--paper) 100%);
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }

/* 存放 logo <symbol> 的容器：内联 SVG 在无尺寸时默认占 300×150，
   会把整页往下顶出一条空白，必须显式归零 */
.svg-defs { position: absolute; width: 0; height: 0; overflow: hidden; }

/* 柔光块：用纯径向渐变实现，刻意不用 filter: blur()。
   大面积模糊滤镜会把整块区域交给 GPU 反复重采样，滚动时明显掉帧，
   而径向渐变视觉几乎一致、代价接近于零。 */
.hero-orb { position: absolute; border-radius: 50%; }
.orb-a {
  width: 900px; height: 900px;
  top: -520px; right: -220px;
  background: radial-gradient(circle at 50% 50%, rgba(156, 175, 151, 0.52) 0%, rgba(156, 175, 151, 0.20) 42%, rgba(156, 175, 151, 0) 72%);
}
.orb-b {
  width: 680px; height: 680px;
  top: 240px; left: -340px;
  background: radial-gradient(circle at 50% 50%, rgba(246, 134, 91, 0.18) 0%, rgba(246, 134, 91, 0.06) 44%, rgba(246, 134, 91, 0) 74%);
}

/* ── 墨绿色块 ─────────────────────────────────────────────
   一笔到底的平滑曲面：左下薄起、向右上铺开，无折角、无叠加意象。
   preserveAspectRatio="none" 让它在任何视口宽度下都贯穿左右。 */
.hero-mass {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  width: 100%;
  height: 62%;
  pointer-events: none;
}


.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(44px, 6vw, 72px);
  align-items: center;
}
@media (min-width: 1000px) {
  .hero-grid { grid-template-columns: 1.12fr 0.88fr; gap: clamp(36px, 4vw, 68px); }
}

.hero-copy { max-width: 640px; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green-600);
  font-weight: 500;
  margin-bottom: 26px;
}
.eyebrow-rule { width: 34px; height: 1px; background: var(--sage); flex-shrink: 0; }

.hero-title {
  font-family: var(--f-display);
  font-size: clamp(40px, 6.6vw, 70px);
  line-height: 1.12;
  letter-spacing: -0.005em;
  color: var(--green-900);
  margin-bottom: 30px;
}
.hero-title > span { display: block; white-space: nowrap; }
.hero-title span:nth-child(2) { color: var(--green-800); }

.hero-sub {
  font-family: var(--f-display);
  font-size: clamp(16px, 2.1vw, 19px);
  line-height: 1.85;
  color: var(--ink-2);
  margin-bottom: 18px;
}

.hero-note {
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--ink-3);
  padding-left: 16px;
  border-left: 2px solid var(--sage-300);
  margin-bottom: 38px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 46px;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 4vw, 44px);
  padding-top: 26px;
  border-top: 1px solid var(--hair);
}
.fact { display: flex; flex-direction: column; gap: 3px; }
.fact-k {
  font-family: var(--f-display);
  font-size: 17px;
  font-weight: 500;
  color: var(--green-800);
  letter-spacing: -0.01em;
}
.fact-v { font-size: 12.5px; color: var(--ink-3); letter-spacing: 0.02em; }

/* 手写批注基类 */
.hand {
  font-family: var(--f-hand);
  color: var(--sage);
  line-height: 1.55;
  letter-spacing: 0.04em;
  pointer-events: none;
  user-select: none;
}

/* ── 话题名片 ──────────────────────────────────────────────
   直接浮于山峦之上：奶油卡与墨绿山体形成明暗对比，
   下半没入山脊线，像坐在山坡上。 */
.hero-card-wrap { position: relative; }

.card-invite {
  position: relative;
  background: var(--cream-card);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: var(--r-3xl);
  padding: clamp(24px, 3.2vw, 38px);
  box-shadow: var(--sh-4), 0 0 0 1px rgba(255, 255, 255, 0.55) inset;
  transition: transform 0.7s var(--ease-out), box-shadow 0.7s var(--ease-out);
}
.card-invite:hover {
  transform: translateY(-5px);
  box-shadow: 0 56px 100px -46px rgba(13, 29, 22, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.55) inset;
}
@media (max-width: 700px) {
  .card-invite { border-radius: 24px; }
}

.ci-top {
  display: flex;
  align-items: center;
  gap: 15px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--hair);
}
.ci-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--sage-200);
  color: var(--green-800);
  font-family: var(--f-display);
  font-size: 22px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ci-who { display: flex; flex-direction: column; line-height: 1.35; }
.ci-role { font-size: 11.5px; color: var(--ink-3); letter-spacing: 0.08em; }
.ci-name {
  font-family: var(--f-display);
  font-size: 25px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.015em;
}
.ci-meta { font-size: 13px; color: var(--ink-2); }

.ci-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px 0;
  border-bottom: 1px solid var(--hair);
}
.ci-tag { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: var(--ink-2); }
.ci-tag svg { width: 15px; height: 15px; color: var(--green-500); }

.ci-block { padding: 22px 0 0; }
.ci-block-well {
  margin-top: 24px;
  padding: 20px 22px;
  background: var(--sage-100);
  border-radius: var(--r-md);
  border: 1px solid rgba(156, 175, 151, 0.34);
}
.ci-label {
  display: block;
  font-family: var(--f-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--green-800);
  margin-bottom: 10px;
}
.ci-block p { font-size: 14.5px; line-height: 1.92; color: var(--ink-2); }

.ci-list { display: flex; flex-direction: column; gap: 9px; }
.ci-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}
.ci-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 11px;
  height: 1.5px;
  background: var(--clay-soft);
  border-radius: 2px;
}

.ci-foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--hair);
}
.ci-when { display: flex; flex-direction: column; gap: 2px; }
.ci-when .ci-label { margin-bottom: 4px; }
.ci-date { font-size: 14px; color: var(--ink-2); }
.ci-time {
  font-family: var(--f-display);
  font-size: 20px;
  font-weight: 500;
  color: var(--ink);
}

.hero-foot { display: flex; justify-content: center; margin-top: clamp(36px, 5vh, 60px); }

/* 移动端视觉锚点：一张咖啡插画。
   桌面端由墨绿色块承担视觉重量，这里不需要重复，故隐藏。 */
.hero-art {
  position: relative;
  display: none;
  margin: 8px 0 4px;
  padding: 30px 24px 22px;
  border-radius: var(--r-2xl);
  background: var(--cream-card);
  border: 1px solid var(--cream-line);
  box-shadow: var(--sh-3);
  overflow: hidden;
}
@media (max-width: 900px) { .hero-art { display: block; } }

/* 背景柔光斑 */
.ha-plate {
  position: absolute;
  top: -40px; right: -50px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(156, 175, 151, 0.36) 0%, rgba(156, 175, 151, 0) 68%);
}
.ha-cup { position: relative; width: 78%; max-width: 260px; margin: 0 auto; color: var(--green-600); }
.a-line {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  opacity: 0.72;
}
.a-thin { stroke-width: 1.1; opacity: 0.5; }
/* 品牌同款小眼睛：呼应 logo 上的卡通杯 */
.a-eye { fill: var(--green-800); }
/* 品牌同款橙色水滴：灵感、火花、机会 */
.a-spark { fill: var(--clay); }

/* 枝叶线描点缀 */
.ha-leaf {
  position: absolute;
  left: 12px; bottom: 14px;
  width: 62px;
  color: var(--sage-400);
  opacity: 0.62;
  pointer-events: none;
}
.ha-leaf path { stroke: currentColor; }
.hero-art figcaption {
  position: relative;
  margin-top: 16px;
  text-align: center;
  font-family: var(--f-display);
  font-size: 13.5px;
  color: var(--ink-2);
  letter-spacing: 0.03em;
}

/* 提示点落在深色山体上，用浅色才可见 */
.scroll-cue {
  width: 24px;
  height: 40px;
  border: 1px solid rgba(202, 213, 195, 0.4);
  border-radius: 999px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.scroll-dot {
  width: 3px;
  height: 7px;
  border-radius: 2px;
  background: var(--sage-300);
  animation: cue 2.2s var(--ease) infinite;
}
@keyframes cue {
  0% { opacity: 0; transform: translateY(0); }
  30% { opacity: 1; }
  70% { opacity: 1; transform: translateY(13px); }
  100% { opacity: 0; transform: translateY(15px); }
}

/* ── 11. 宣言跑马灯 ──────────────────────────────────────── */
.marquee-band {
  position: relative;
  background: linear-gradient(90deg, var(--green-950) 0%, var(--green-800) 46%, var(--green-850) 100%);
  padding: 20px 0;
  overflow: hidden;
}
.marquee-band::before,
.marquee-band::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: var(--hair-light);
}
.marquee-band::before { top: 0; }
.marquee-band::after { bottom: 0; }

.marquee { display: flex; overflow: hidden; }
.marquee-track {
  display: flex;
  align-items: center;
  gap: 48px;
  flex-shrink: 0;
  padding-right: 48px;
  animation: slide 46s linear infinite;
}
.marquee-band:hover .marquee-track { animation-play-state: paused; }
@keyframes slide {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.mq {
  display: inline-flex;
  align-items: center;
  gap: 48px;
  font-family: var(--f-display);
  font-size: clamp(15px, 1.5vw, 17px);
  color: var(--sage-200);
  letter-spacing: 0.03em;
  white-space: nowrap;
  flex-shrink: 0;
}
.mq i {
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--clay-soft);
  flex-shrink: 0;
}

/* ── 12. 区块外壳 ────────────────────────────────────────── */
.sec { position: relative; padding-block: clamp(96px, 12vh, 148px); }

.sec-head { margin-bottom: clamp(48px, 7vw, 78px); }
.sec-head-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: end;
}
@media (min-width: 880px) {
  .sec-head-row { grid-template-columns: 1.25fr 0.75fr; gap: 60px; }
}

.sec-num {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--f-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--clay-ink);
  margin-bottom: 20px;
}
.sec-num::after { content: ""; width: 40px; height: 1px; background: var(--sage); }

.sec-title {
  font-family: var(--f-display);
  font-size: clamp(30px, 4.3vw, 50px);
  line-height: 1.24;
  letter-spacing: 0.005em;
  color: var(--green-900);
}

.sec-intro {
  font-size: 15.5px;
  line-height: 1.95;
  color: var(--ink-3);
  max-width: 380px;
}

.lead {
  font-family: var(--f-display);
  font-size: clamp(18px, 2.1vw, 21px);
  line-height: 1.8;
  color: var(--green-800);
  margin-bottom: 14px;
}
.body { font-size: 15.5px; line-height: 1.95; color: var(--ink-2); }

/* ── 13. 理念 ────────────────────────────────────────────── */
/* 该区块内容最多，纵向节奏整体收紧，保证 1440×900 一屏停靠显示完 */
.sec-why {
  background: var(--paper);
  padding-block: clamp(96px, 10vh, 120px) clamp(32px, 4vh, 56px);
}
.sec-why .sec-head { margin-bottom: clamp(28px, 4vh, 44px); }
.sec-why .sec-num { margin-bottom: 12px; }
.sec-why .sec-title { font-size: clamp(28px, 3.4vw, 44px); line-height: 1.2; }

.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(44px, 6vw, 76px);
  align-items: start;
}
@media (min-width: 940px) { .why-grid { grid-template-columns: 1.3fr 0.7fr; } }

.why-copy { max-width: 700px; }

.why-points { margin-top: 20px; display: flex; flex-direction: column; }
.wp {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 9px 0;
  border-top: 1px solid var(--hair);
}
.wp-k { line-height: 1.5; }
.wp-v { line-height: 1.4; }
.wp:last-child { border-bottom: 1px solid var(--hair); }
.wp-k {
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  text-decoration: line-through;
  text-decoration-color: var(--sage-400);
  text-decoration-thickness: 1px;
}
.wp-v {
  font-family: var(--f-display);
  font-size: clamp(17px, 2vw, 21px);
  color: var(--green-800);
}

.why-quote {
  position: relative;
  background: var(--cream-card);
  border: 1px solid var(--cream-line);
  border-radius: var(--r-xl);
  padding: 44px 36px 40px;
  box-shadow: var(--sh-3);
  overflow: hidden;
}
.quote-mark {
  position: absolute;
  top: 6px;
  left: 26px;
  font-family: var(--f-display);
  font-size: 92px;
  line-height: 1;
  color: var(--sage-300);
  pointer-events: none;
}
.why-quote blockquote {
  position: relative;
  z-index: 2;
  margin: 0 0 20px;
  font-family: var(--f-display);
  font-size: clamp(23px, 2.6vw, 30px);
  line-height: 1.55;
  color: var(--green-900);
  letter-spacing: -0.005em;
}
.quote-by {
  position: relative;
  z-index: 2;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--ink-3);
  padding-top: 18px;
  border-top: 1px solid var(--hair);
}

/* 品牌命名与关键词（品牌规范同款） */
.why-brand {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--hair-2);
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}
@media (min-width: 940px) { .why-brand { grid-template-columns: 1.15fr 1fr; gap: 72px; } }

.nb-h {
  display: block;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--clay-ink);
  margin-bottom: 10px;
}
.nb-p {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 560px;
}
.nb-p strong {
  font-family: "Noto Sans", "Noto Sans SC", var(--f-body);
  font-weight: 900;
  font-size: 16px;
  color: var(--green-800);
}

.nb-keys {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, max-content));
  gap: 14px clamp(28px, 3.4vw, 48px);
}
.nb-keys li { display: flex; flex-direction: column; gap: 3px; }
.nb-cn {
  font-family: var(--f-display);
  font-size: 19px;
  color: var(--green-800);
  letter-spacing: 0.04em;
}
.nb-en {
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ── 14. 如何开始 ────────────────────────────────────────── */
.sec-how { background: var(--paper-2); overflow: hidden; }

.how-wave {
  position: relative;
  display: block;
  width: 100%;
  height: 54px;
  margin-bottom: -26px;
}
.how-wave path { stroke: url(#lg-wave-light); stroke-width: 1.4; }

.steps {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--hair-2);
}
@media (min-width: 700px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1060px) { .steps { grid-template-columns: repeat(4, 1fr); } }

.step {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 34px 30px 40px;
  border-bottom: 1px solid var(--hair);
  transition: background-color 0.5s var(--ease);
}
@media (min-width: 700px) {
  .step { border-right: 1px solid var(--hair); }
  .step:nth-child(2n) { border-right: none; }
}
@media (min-width: 1060px) {
  .step { border-bottom: none; }
  .step:nth-child(2n) { border-right: 1px solid var(--hair); }
  .step:last-child { border-right: none; }
}
.step:hover { background: rgba(254, 253, 249, 0.72); }

.step-num {
  display: block;
  font-family: var(--f-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--clay-ink);
  margin-bottom: 26px;
}
.step-body h3 {
  font-family: var(--f-display);
  font-size: clamp(19px, 2vw, 22px);
  line-height: 1.5;
  color: var(--green-900);
  margin-bottom: 13px;
}
.step-body p { font-size: 14px; line-height: 1.92; color: var(--ink-2); }

.step-ico {
  display: block;
  color: var(--sage);
  /* 网格同行等高，推到底部：四列图标随最高一列对齐 */
  margin-top: auto;
  padding-top: 26px;
  transition: color 0.5s var(--ease), transform 0.6s var(--ease-out);
}
.step:hover .step-ico { color: var(--green-600); transform: translateY(-3px); }
.step-ico svg { width: 30px; height: 30px; display: block; }

/* ── 15. 话题 ────────────────────────────────────────────── */
.sec-topics { background: var(--paper); overflow: hidden; }

.topic-rail {
  /* 滑轨向两侧出血（负边距 = 版心内边距），再用等量内边距把首尾卡推回，
     使第一张卡与版心文字齐头、最后一张卡与版心右缘齐尾 */
  --rail-pad: clamp(20px, 5vw, 56px);
  display: flex;
  gap: 22px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scroll-padding-inline: var(--rail-pad);
  padding: 6px var(--rail-pad) 30px;
  margin-inline: calc(-1 * var(--rail-pad));
  scrollbar-width: thin;
  scrollbar-color: var(--sage-400) transparent;
  cursor: grab;
}
.topic-rail.is-dragging { cursor: grabbing; scroll-snap-type: none; }
.topic-rail::-webkit-scrollbar { height: 3px; }
.topic-rail::-webkit-scrollbar-track { background: transparent; }
.topic-rail::-webkit-scrollbar-thumb { background: var(--sage-400); border-radius: 3px; }

.tcard {
  flex: 0 0 min(400px, 84vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  background: var(--cream-card);
  border: 1px solid var(--cream-line);
  border-radius: var(--r-xl);
  padding: 32px 30px 26px;
  box-shadow: var(--sh-2);
  transition: transform 0.6s var(--ease-out), box-shadow 0.6s var(--ease-out),
              border-color 0.4s var(--ease);
}
.tcard:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-4);
  border-color: var(--sage-300);
}

.tcard-kind {
  align-self: flex-start;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 5px 13px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.kind-qiujing { background: var(--green-100); color: var(--green-700); }
.kind-tanshuo { background: var(--clay-tint); color: #A0512B; }
.kind-qingsu  { background: var(--sage-200); color: var(--green-600); }
.kind-jieban  { background: var(--paper-2); color: var(--ink-2); }

.tcard-q {
  font-family: var(--f-display);
  font-size: clamp(21px, 2.2vw, 25px);
  line-height: 1.55;
  color: var(--green-900);
  margin-bottom: 16px;
}
.tcard-exp {
  font-size: 13.5px;
  line-height: 1.92;
  color: var(--ink-2);
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tm-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--clay-soft); flex-shrink: 0; }
.tm-sep { width: 1px; height: 10px; background: var(--hair-2); }

/* 名片页脚：人物 + 地点与约聊次数，只陈述事实，不带任何应用内动作 */
.tcard-foot {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--hair);
}
.tm-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--sage-200);
  color: var(--green-700);
  font-family: var(--f-display);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.tm-who { font-size: 13.5px; color: var(--ink-2); white-space: nowrap; }
.tm-meta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-left: auto;
  font-size: 12.5px;
  color: var(--ink-3);
  white-space: nowrap;
}

/* ── 16. 信任与安全 ──────────────────────────────────────── */
.sec-trust { background: var(--paper); }

.modes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  border-radius: var(--r-xl);
  overflow: hidden;
  margin-bottom: clamp(40px, 5vw, 64px);
}
@media (min-width: 780px) { .modes { grid-template-columns: repeat(3, 1fr); } }

.mode {
  background: var(--cream-card);
  padding: clamp(30px, 3.4vw, 44px) clamp(26px, 3vw, 38px);
  transition: background-color 0.5s var(--ease);
}
.mode:hover { background: var(--cream); }

.mode-ico { display: block; width: 38px; height: 38px; color: var(--green-600); margin-bottom: 22px; }
.mode-ico svg { width: 100%; height: 100%; }
.mode h3 {
  font-family: var(--f-display);
  font-size: clamp(21px, 2.3vw, 26px);
  color: var(--green-900);
  margin-bottom: 12px;
}
.mode p { font-size: 14px; line-height: 1.95; color: var(--ink-2); }

.trust-band {
  background: var(--sage-100);
  border: 1px solid rgba(156, 175, 151, 0.36);
  border-radius: var(--r-xl);
  padding: clamp(28px, 3.4vw, 42px) clamp(24px, 3.4vw, 44px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px 44px;
}
@media (min-width: 700px) { .trust-band { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1060px) { .trust-band { grid-template-columns: repeat(4, 1fr); } }

.tb-item { display: flex; flex-direction: column; gap: 7px; }
.tb-k {
  font-family: var(--f-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--green-800);
}
.tb-v { font-size: 13px; line-height: 1.85; color: var(--ink-2); }

/* ── 17. 墨绿宣言面 ──────────────────────────────────────── */
.sec-manifesto { background: var(--paper); padding-block: clamp(96px, 10vh, 120px) clamp(70px, 10vh, 120px); }

.mf-panel {
  position: relative;
  border-radius: var(--r-3xl);
  padding: clamp(56px, 8vw, 110px) clamp(28px, 6vw, 96px);
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(110% 130% at 88% -10%, rgba(110, 150, 131, 0.52) 0%, rgba(110, 150, 131, 0) 58%),
    radial-gradient(80% 100% at 4% 108%, rgba(246, 134, 91, 0.17) 0%, rgba(246, 134, 91, 0) 62%),
    linear-gradient(158deg, var(--green-800) 0%, var(--green-900) 52%, var(--green-950) 100%);
  box-shadow: var(--sh-dark);
}

/* 指针跟随光晕（JS 写入 --mx/--my） */
.mf-halo,
.start-halo {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s var(--ease);
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 0%),
              rgba(202, 213, 195, 0.20) 0%, rgba(202, 213, 195, 0) 68%);
}
[data-glow]:hover .mf-halo,
[data-glow]:hover .start-halo { opacity: 1; }

.mf-lines {
  left: 0; right: 0; top: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.mf-lines path { stroke: url(#lg-wave-dark); stroke-width: 1.1; }

.mf-hand {
  position: absolute;
  top: clamp(28px, 5vw, 54px);
  right: clamp(28px, 6vw, 76px);
  z-index: 2;
  font-size: clamp(19px, 2.4vw, 25px);
  color: rgba(202, 213, 195, 0.62);
  transform: rotate(3deg);
  text-align: right;
}

.mf-body { position: relative; z-index: 2; max-width: 640px; }
.mf-line {
  font-family: var(--f-display);
  font-size: clamp(32px, 5.4vw, 64px);
  line-height: 1.38;
  color: var(--cream);
}
.mf-sub {
  font-size: clamp(14.5px, 1.7vw, 16.5px);
  line-height: 2.05;
  color: rgba(250, 248, 239, 0.68);
  margin-top: 32px;
  padding-left: 18px;
  border-left: 2px solid rgba(246, 134, 91, 0.55);
}

/* ── 咖啡意象：俯视杯 + 咖啡豆 + 咖啡渍 ────────────────── */
/* 统一线描语言：细线、无填充，在墨绿底上像被压印出来 */
.mf-panel .c-line {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
}
.mf-panel .c-thin { stroke-width: 1; }
.mf-panel .c-crema { stroke-width: 1.6; opacity: 0.9; }
/* 品牌同款橙色水滴：灵感、火花、机会 */
.mf-panel .c-drop { fill: var(--clay); opacity: 0.85; }
/* 液面：极淡填充，让杯里有"内容" */
.mf-panel .c-fill {
  fill: rgba(202, 213, 195, 0.07);
  stroke: none;
}

.mf-cup2 {
  position: absolute;
  right: clamp(20px, 5vw, 84px);
  top: 50%;
  transform: translateY(-50%) rotate(-3deg);
  width: clamp(190px, 20vw, 268px);
  color: rgba(202, 213, 195, 0.40);
  z-index: 1;
  pointer-events: none;
}
@media (max-width: 1060px) { .mf-cup2 { display: none; } }

.mf-bean {
  position: absolute;
  color: rgba(202, 213, 195, 0.28);
  z-index: 1;
  pointer-events: none;
}
.mf-bean-1 { width: 30px; right: clamp(250px, 26vw, 366px); top: 20%; transform: rotate(-22deg); }
.mf-bean-2 { width: 23px; right: clamp(212px, 22vw, 312px); bottom: 20%; transform: rotate(28deg); }
@media (max-width: 1280px) { .mf-bean { display: none; } }

/* 咖啡渍：杯底留下的干涸圆环 */
.mf-stain {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid rgba(202, 213, 195, 0.12);
  z-index: 0;
  pointer-events: none;
}
.mf-stain-1 { width: 176px; height: 176px; right: 9%; bottom: -78px; }
.mf-stain-2 { width: 84px; height: 84px; right: 38%; bottom: 18%; border-width: 1px; }
@media (max-width: 1060px) { .mf-stain { display: none; } }

/* ── 18. 申请内测 ────────────────────────────────────────── */
.sec-start { background: var(--paper); }

.start-panel {
  position: relative;
  border-radius: var(--r-3xl);
  padding: clamp(50px, 7vw, 96px) clamp(26px, 5vw, 80px);
  text-align: center;
  overflow: hidden;
  isolation: isolate;
  background: var(--cream-card);
  border: 1px solid var(--cream-line);
  box-shadow: var(--sh-3);
}

.start-lines {
  left: 0; right: 0; top: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.start-lines path { stroke: url(#lg-wave-light); stroke-width: 1.2; }

.start-halo {
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 50%),
              rgba(156, 175, 151, 0.34) 0%, rgba(156, 175, 151, 0) 68%);
}

.start-eyebrow {
  position: relative;
  z-index: 2;
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green-700);
  font-weight: 500;
  padding: 7px 18px;
  border: 1px solid rgba(156, 175, 151, 0.55);
  border-radius: 999px;
  background: var(--sage-100);
  margin-bottom: 26px;
}
.start-title {
  position: relative;
  z-index: 2;
  font-family: var(--f-display);
  font-size: clamp(29px, 4.4vw, 50px);
  line-height: 1.32;
  color: var(--green-900);
  margin-bottom: 22px;
}
.start-sub {
  position: relative;
  z-index: 2;
  font-size: clamp(14.5px, 1.7vw, 16.5px);
  line-height: 2;
  color: var(--ink-2);
  margin-bottom: 40px;
}
.start-act {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 26px;
}
.start-contact {
  position: relative;
  z-index: 2;
  font-size: 13.5px;
  color: var(--ink-3);
  margin-bottom: 34px;
}
.start-contact a {
  display: inline-block;
  color: var(--green-700);
  border-bottom: 1px solid rgba(58, 100, 85, 0.35);
  padding: 4px 2px 2px;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.start-contact a:hover { color: var(--clay); border-color: var(--clay-soft); }

.start-sign {
  position: relative;
  z-index: 2;
  font-family: var(--f-hand);
  font-size: clamp(24px, 2.6vw, 30px);
  color: #6B8878;
  letter-spacing: 0.06em;
}

/* ── 19. 页脚 ────────────────────────────────────────────── */
.foot {
  position: relative;
  background: linear-gradient(180deg, var(--green-900) 0%, var(--green-950) 100%);
  color: var(--sage-200);
  padding-top: clamp(56px, 7vw, 88px);
  padding-bottom: 32px;
  overflow: hidden;
}
.foot-lines {
  left: 0; right: 0; top: 0;
  width: 100%;
  height: 100%;
}
.foot-lines path { stroke: url(#lg-wave-dark); stroke-width: 1.1; }

.foot-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  padding-bottom: clamp(40px, 5vw, 64px);
}
@media (min-width: 780px) { .foot-grid { grid-template-columns: 1.2fr 0.7fr 1fr; gap: 56px; } }

.foot-brand { display: flex; flex-direction: column; gap: 16px; }
/* 规范「横版组合」：图标 + 字标 + See what clicks. */
.foot-lockup { display: flex; align-items: center; gap: 14px; }
.foot-brand .brand-mark {
  width: 56px;
  height: 41px;
  color: var(--cream);
}
.foot-wordmark { display: flex; flex-direction: column; line-height: 1.15; }
.foot-name {
  font-family: "Noto Sans", "Noto Sans SC", var(--f-body);
  font-size: 23px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--cream);
}
.foot-click {
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--foot-dim);
  margin-top: 4px;
}
.foot-slogan {
  font-family: var(--f-display);
  font-size: 21px;
  color: var(--cream);
}
.foot-en {
  font-family: var(--f-display);
  font-style: italic;
  font-size: 14px;
  color: var(--foot-dim);
}

.foot-col { display: flex; flex-direction: column; gap: 12px; }
.foot-h {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--foot-dim);
  margin-bottom: 4px;
}
.foot-col a {
  font-size: 14px;
  color: var(--sage-200);
  width: fit-content;
  padding: 5px 0;
  transition: color 0.3s var(--ease), padding-left 0.35s var(--ease-out);
}
.foot-col a:hover { color: var(--cream); padding-left: 5px; }
.foot-p { font-size: 14px; color: var(--sage-200); }
.foot-p-dim { color: var(--foot-dim); font-size: 13px; line-height: 1.9; }
.foot-mail {
  font-family: var(--f-display);
  font-size: 15px;
  color: var(--clay-soft) !important;
  margin-top: 4px;
}
.foot-mail:hover { color: var(--cream) !important; }

.foot-bottom {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  padding-top: 26px;
  border-top: 1px solid var(--hair-light);
}
.foot-legal {
  font-size: 12px;
  color: var(--foot-dim);
  letter-spacing: 0.03em;
}

/* ── 20. 响应式 ──────────────────────────────────────────── */
@media (max-width: 1060px) {
  .nav-links { display: none; }
  .nav-act { display: none; }
  .nav-burger { display: flex; }
}

@media (max-width: 700px) {
  :root { --nav-h: 68px; --r-3xl: 30px; }
  body { font-size: 15.5px; }
  .brand-tag { display: none; }
  .hero-cta .btn { flex: 1 1 100%; }
  .hero-facts { gap: 18px 28px; }
  .hero-card-wrap { margin-top: 8px; }
  .ci-foot { flex-direction: column; align-items: flex-start; gap: 18px; }
  .why-quote { padding: 40px 26px 34px; }
  .start-act .btn { flex: 1 1 100%; }
  .foot-bottom { flex-direction: column; }
  .mf-hand { position: static; display: block; text-align: left; margin-bottom: 26px; }
}

/* ── 21. 动效降级 ────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.snap-on { scroll-snap-type: none; }
  .marquee-track { animation: none; }
  .scroll-dot { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .traj path { stroke-dashoffset: 0 !important; transition: none; }
  .btn-solid::before { display: none; }
  .mf-halo, .start-halo { display: none; }
  .card-invite:hover, .tcard:hover { transform: none; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}