/* ========================================
   清平佳境 · 璟德茶空间
   设计语汇：水墨江南 · 茶香四溢
   ======================================== */

:root {
  /* 色板 60/30/10 */
  --paper: #F5F0E6;        /* 宣纸米白（主底色 60%） */
  --paper-light: #FAF7F0;  /* 浅宣纸 */
  --paper-dark: #E8E0CF;   /* 深宣纸 */
  --paper-warm: #EFE7D3;   /* 暖宣纸 */

  --tea-900: #2F4028;      /* 深茶绿 */
  --tea-700: #4A633F;      /* 茶绿主色 */
  --tea-500: #6B8A5B;      /* 中茶绿 */
  --tea-300: #96B085;      /* 浅茶绿 */
  --tea-100: #C9D6BC;      /* 淡茶绿 */
  --tea-50:  #E6ECD9;      /* 极淡茶绿 */

  /* 强调色 10% */
  --vermilion: #A83B2A;    /* 朱砂（印章） */
  --vermilion-light: #C25A4A;
  --gold: #8F6A2A;         /* 深茶金 */
  --gold-light: #D4B07A;
  --ochre: #8B6914;        /* 赭石 */

  /* 中性色 */
  --ink-900: #1E1A12;      /* 浓墨 */
  --ink-700: #3A3328;      /* 墨褐 */
  --ink-500: #5C5245;      /* 淡墨 */
  --ink-300: #8A8175;      /* 浅墨 */
  --ink-100: #B8B0A2;      /* 极淡墨 */

  /* 字体 */
  --font-serif: 'Noto Serif SC', 'Songti SC', 'STSong', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-brush: 'ZCOOL XiaoWei', 'Noto Serif SC', serif;

  /* 尺寸 */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* 阴影 */
  --shadow-xs: 0 1px 3px rgba(30, 26, 18, 0.06);
  --shadow-sm: 0 4px 12px rgba(30, 26, 18, 0.08);
  --shadow-md: 0 10px 30px rgba(30, 26, 18, 0.1);
  --shadow-lg: 0 20px 60px rgba(30, 26, 18, 0.15);
  --shadow-xl: 0 32px 80px rgba(30, 26, 18, 0.2);

  /* 动效 */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.4s;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-700);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* 尊重减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

ul { list-style: none; }

:focus-visible {
  outline: 2px solid var(--tea-500);
  outline-offset: 2px;
  border-radius: 2px;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

.section {
  padding: clamp(72px, 10vw, 140px) 0;
  position: relative;
}

/* ===== 通用文字组件 ===== */
.eyebrow {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 6px;
  color: var(--gold);
  text-transform: none;
  margin-bottom: 16px;
  font-family: var(--font-serif);
}
.eyebrow.light { color: var(--gold-light); }

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink-900);
  letter-spacing: 2px;
  margin-bottom: 20px;
}
.section-title.center { text-align: center; }
.section-title.light { color: var(--paper); }

.ink-text {
  font-family: var(--font-brush);
  color: var(--tea-700);
  position: relative;
}

.section-desc {
  font-size: 15px;
  color: var(--ink-500);
  max-width: 620px;
  line-height: 1.9;
}
.section-desc.center { margin: 0 auto; }
.section-desc.light { color: var(--tea-100); }

.section-head {
  text-align: center;
  margin-bottom: clamp(48px, 7vw, 80px);
}
.section-head .eyebrow { text-align: center; }
.section-head .section-desc { margin: 0 auto; }

/* 叶形分隔线 */
.leaf-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 24px 0;
}
.leaf-divider::before,
.leaf-divider::after {
  content: '';
  flex: 0 0 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--tea-300), transparent);
}
.leaf-divider span {
  width: 20px;
  height: 20px;
  background: var(--gold);
  opacity: 0.5;
  mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'><path d='M17 8C8 10 5.9 16.17 3.82 21.34l1.89.66.95-2.3c.48.17.98.3 1.34.3C19 20 22 3 22 3c-1 2-8 2.25-13 3.25S2 11.5 2 13.5s1.75 3.75 1.75 3.75C7 8 17 8 17 8z'/></svg>") center/contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'><path d='M17 8C8 10 5.9 16.17 3.82 21.34l1.89.66.95-2.3c.48.17.98.3 1.34.3C19 20 22 3 22 3c-1 2-8 2.25-13 3.25S2 11.5 2 13.5s1.75 3.75 1.75 3.75C7 8 17 8 17 8z'/></svg>") center/contain no-repeat;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 100px;
  transition: all var(--dur) var(--ease);
  cursor: pointer;
  border: none;
  letter-spacing: 1px;
  min-height: 44px;
  text-decoration: none;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--tea-700);
  color: var(--paper);
  box-shadow: 0 4px 16px rgba(74, 99, 63, 0.3);
}
.btn-primary:hover {
  background: var(--tea-900);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(74, 99, 63, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--paper);
  border: 1px solid rgba(245, 240, 230, 0.5);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover {
  border-color: var(--paper);
  background: rgba(245, 240, 230, 0.12);
}

.btn-sm {
  padding: 9px 20px;
  font-size: 13px;
  background: var(--tea-700);
  color: var(--paper);
  border-radius: 100px;
  min-height: 38px;
  transition: all var(--dur) var(--ease);
}
.btn-sm:hover {
  background: var(--tea-900);
  transform: translateY(-1px);
}

.inline-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 100px;
  border: 1px solid rgba(143, 106, 42, 0.35);
  background: var(--paper-light);
  color: var(--tea-900);
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  min-height: 40px;
  white-space: nowrap;
  transition: all var(--dur) var(--ease);
}
.inline-copy:hover,
.inline-copy.copied {
  background: var(--tea-700);
  border-color: var(--tea-700);
  color: var(--paper);
  transform: translateY(-1px);
}

.footer-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 100px;
  border: 1px solid rgba(245, 240, 230, 0.18);
  color: var(--paper);
  background: rgba(245, 240, 230, 0.08);
  font-size: 13px;
  transition: all var(--dur) var(--ease);
}
.footer-copy:hover,
.footer-copy.copied,
.js-copy-wechat.copied {
  background: var(--vermilion) !important;
  border-color: var(--vermilion) !important;
  color: var(--paper) !important;
}

/* ===== 滚动渐入 ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-text {
  opacity: 0;
  transform: translateY(20px);
  animation: revealUp 0.9s var(--ease-out) forwards;
}

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

/* ========================================
   导航栏
   ======================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: all var(--dur) var(--ease);
  overflow: visible;
}

.nav.scrolled {
  background: rgba(245, 240, 230, 0.82);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  padding: 10px 0;
  box-shadow: 0 1px 0 rgba(30, 26, 18, 0.06), 0 4px 20px rgba(30, 26, 18, 0.04);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav .brand {
  max-width: min(42vw, 240px);
  min-width: 0;
  padding: 8px 12px 8px 8px;
  border-radius: 14px;
  background: rgba(30, 26, 18, 0.18);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: visible;
}
.nav.scrolled .brand {
  background: rgba(250, 247, 240, 0.86);
}

.brand-mark {
  width: 40px;
  height: 40px;
  background: var(--vermilion);
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  letter-spacing: 0;
  box-shadow: 0 2px 10px rgba(168, 59, 42, 0.3);
  transform: rotate(-2deg);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  min-width: 0;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--ink-900);
  white-space: nowrap;
}
.nav:not(.scrolled) .brand-name { color: var(--paper); }

.brand-sub {
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--ink-300);
  margin-top: 3px;
  font-family: var(--font-serif);
  white-space: nowrap;
}
.nav:not(.scrolled) .brand-sub { color: rgba(245, 240, 230, 0.7); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: rgba(245, 240, 230, 0.85);
  position: relative;
  padding: 6px 0;
  transition: color var(--dur) var(--ease);
}
.nav.scrolled .nav-links a { color: var(--ink-500); }

.nav-links a::after {
  content: '';
  position: absolute;
  left: 50%;
  right: 50%;
  bottom: 0;
  height: 2px;
  background: var(--gold);
  transition: all var(--dur) var(--ease);
}

.nav-links a:hover {
  color: var(--paper);
}
.nav.scrolled .nav-links a:hover { color: var(--tea-700); }

.nav-links a:hover::after {
  left: 0;
  right: 0;
}

.nav-cta {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: var(--vermilion);
  color: var(--paper) !important;
  font-size: 14px;
  font-weight: 500;
  border-radius: 100px;
  transition: all var(--dur) var(--ease);
  min-height: 40px;
}
.nav-cta:hover {
  background: #8c2e20;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(168, 59, 42, 0.35);
}

.nav-menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--paper);
  border-radius: 2px;
  transition: all var(--dur) var(--ease);
}
.nav.scrolled .nav-menu-btn span { background: var(--ink-700); }
.nav-menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-menu-btn.open span:nth-child(2) { opacity: 0; }
.nav-menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: rgba(245, 240, 230, 0.97);
  backdrop-filter: blur(16px);
  padding: 20px 24px;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--paper-dark);
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  padding: 14px 12px;
  font-size: 15px;
  color: var(--ink-700);
  border-radius: var(--radius-sm);
}
.nav-mobile a:hover {
  background: var(--tea-50);
  color: var(--tea-700);
}

/* ========================================
   HERO 首屏
   ======================================== */
.hero {
  position: relative;
  min-height: max(640px, 100dvh);
  overflow: hidden;
  color: var(--paper);
}

/* 远山视差层 */
.hero-mountains {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.mountain-layer {
  position: absolute;
  left: 0; right: 0;
  background-size: cover;
  background-position: center;
  will-change: transform;
}
.mountain-far {
  top: 0; bottom: 0;
  filter: blur(1px);
  opacity: 0.9;
}
.mountain-mid {
  bottom: 0;
  height: 60%;
  background: linear-gradient(180deg, transparent 0%, rgba(47, 64, 40, 0.5) 40%, rgba(47, 64, 40, 0.85) 100%);
}
.mountain-near {
  bottom: 0;
  height: 35%;
  background: linear-gradient(180deg, transparent 0%, rgba(30, 42, 24, 0.9) 50%, var(--ink-900) 100%);
}

/* 茶烟升腾 */
.tea-smoke {
  position: absolute;
  left: 50%;
  bottom: 25%;
  transform: translateX(-50%);
  z-index: 2;
  pointer-events: none;
  width: 200px;
  height: 300px;
}
.smoke {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 60px;
  height: 140px;
  background: radial-gradient(ellipse at center, rgba(245, 240, 230, 0.4) 0%, transparent 70%);
  border-radius: 50%;
  transform: translateX(-50%);
  animation: smokeRise 8s ease-in-out infinite;
  filter: blur(12px);
}
.smoke-1 { animation-delay: 0s; left: 35%; }
.smoke-2 { animation-delay: 2s; left: 55%; width: 50px; height: 120px; animation-duration: 9s; }
.smoke-3 { animation-delay: 4s; left: 45%; width: 70px; height: 160px; animation-duration: 10s; }

@keyframes smokeRise {
  0% {
    opacity: 0;
    transform: translateX(-50%) translateY(40px) scale(0.6);
  }
  20% { opacity: 0.6; }
  60% {
    opacity: 0.3;
    transform: translateX(-50%) translateY(-120px) scale(1.2);
  }
  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(-200px) scale(1.5);
  }
}

/* 水墨晕染入场 */
.hero-inkwash {
  position: absolute;
  inset: 0;
  z-index: 10;
  background: radial-gradient(circle at 50% 55%, transparent 0%, var(--ink-900) 70%);
  animation: inkwashReveal 2.2s var(--ease-out) 0.3s forwards;
  pointer-events: none;
}

@keyframes inkwashReveal {
  0% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
  }
  100% {
    opacity: 0;
    transform: scale(2.5);
  }
}

/* 茶叶飘落 */
.tea-leaves {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  overflow: hidden;
}
.tea-leaf {
  position: absolute;
  width: 20px;
  height: 20px;
  opacity: 0.35;
  animation: leafFall linear infinite;
}
.tea-leaf svg {
  width: 100%;
  height: 100%;
  fill: var(--tea-500);
}

@keyframes leafFall {
  0% {
    transform: translateY(-10vh) translateX(0) rotate(0deg);
    opacity: 0;
  }
  10% { opacity: 0.4; }
  90% { opacity: 0.3; }
  100% {
    transform: translateY(110vh) translateX(60px) rotate(360deg);
    opacity: 0;
  }
}

/* Hero 内容 */
.hero-content {
  position: relative;
  z-index: 3;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 clamp(20px, 4vw, 48px);
}

.hero-eyebrow {
  font-family: var(--font-serif);
  font-size: clamp(14px, 1.5vw, 18px);
  letter-spacing: 10px;
  color: rgba(245, 240, 230, 0.85);
  margin-bottom: 32px;
  font-weight: 400;
  animation-delay: 0.6s;
}

.hero-title {
  font-family: var(--font-brush);
  font-size: clamp(64px, 12vw, 148px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: 16px;
  text-indent: 16px;
  margin-bottom: 32px;
  text-shadow: 0 4px 32px rgba(0, 0, 0, 0.4);
  display: flex;
  gap: 8px;
  justify-content: center;
}

.title-char {
  display: inline-block;
  opacity: 0;
  animation: titleDrop 1.2s var(--ease-out) forwards;
  animation-delay: calc(0.8s + var(--i) * 0.18s);
  transform: translateY(-60px) scale(0.8);
  filter: blur(8px);
}

@keyframes titleDrop {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

.hero-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.2vw, 26px);
  letter-spacing: 8px;
  color: var(--gold-light);
  margin-bottom: 20px;
  font-weight: 500;
  animation-delay: 1.6s;
}

.hero-desc {
  font-size: clamp(14px, 1.5vw, 17px);
  line-height: 2;
  letter-spacing: 2px;
  color: rgba(245, 240, 230, 0.92);
  margin-bottom: 44px;
  animation-delay: 1.8s;
  text-shadow: 0 2px 14px rgba(30, 26, 18, 0.45);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  animation-delay: 2s;
}

/* 人物剪影 */
.hero-figure {
  position: absolute;
  right: 2%;
  bottom: 0;
  z-index: 2;
  height: 75%;
  max-height: 640px;
  pointer-events: none;
  opacity: 0;
  animation: figureFadeIn 2s var(--ease-out) 1s forwards;
}

@keyframes figureFadeIn {
  to { opacity: 1; }
}

.hero-figure-img {
  height: 100%;
  position: relative;
}
.hero-figure-img img {
  height: 100%;
  width: auto;
  object-fit: contain;
  object-position: bottom center;
  mask-image: linear-gradient(180deg, transparent 0%, black 15%, black 85%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, black 15%, black 85%, transparent 100%);
}
.hero-figure-glow {
  position: absolute;
  inset: 10% -10% 0 -10%;
  background: radial-gradient(ellipse at center, rgba(212, 176, 122, 0.15) 0%, transparent 65%);
  filter: blur(40px);
  z-index: -1;
}

/* 印章 */
.hero-seal {
  position: absolute;
  top: 120px;
  right: clamp(24px, 6vw, 80px);
  z-index: 4;
  width: 80px;
  height: 80px;
  background: var(--vermilion);
  color: var(--paper);
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 2px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0;
  text-align: center;
  padding: 6px;
  border-radius: 4px;
  transform: rotate(8deg);
  box-shadow: 0 4px 20px rgba(168, 59, 42, 0.4);
  opacity: 0;
  animation: sealDrop 1s var(--ease-out) 2.4s forwards;
}
.hero-seal span {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(245, 240, 230, 0.35);
  line-height: 1;
}

@keyframes sealDrop {
  0% { opacity: 0; transform: rotate(8deg) scale(0.5) translateY(-30px); }
  60% { opacity: 1; transform: rotate(8deg) scale(1.1) translateY(0); }
  100% { opacity: 1; transform: rotate(8deg) scale(1) translateY(0); }
}

/* 滚动提示 */
.hero-scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 3px;
  color: rgba(245, 240, 230, 0.65);
  animation: hintPulse 3s ease-in-out 3s infinite;
}

.scroll-line {
  width: 1px;
  height: 44px;
  background: linear-gradient(180deg, transparent, var(--paper));
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: '';
  position: absolute;
  top: -50%;
  left: 0;
  width: 100%;
  height: 50%;
  background: linear-gradient(180deg, transparent, var(--gold));
  animation: scrollLine 2.5s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { top: -50%; }
  100% { top: 100%; }
}
@keyframes hintPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* ========================================
   主播选茶证据链
   ======================================== */
.proof-strip {
  background: var(--paper-light);
  padding: clamp(56px, 8vw, 96px) 0;
}

.proof-head {
  max-width: 720px;
  margin-bottom: 40px;
}
.proof-head .section-title {
  margin-bottom: 14px;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.proof-card {
  background: var(--paper);
  border: 1px solid var(--paper-dark);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow-xs);
}

.proof-num {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 18px;
}

.proof-card h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--ink-900);
  margin-bottom: 10px;
  letter-spacing: 2px;
}

.proof-card p {
  font-size: 14px;
  color: var(--ink-500);
  line-height: 1.85;
}

.proof-note,
.product-buy-note {
  margin-top: 28px;
  padding: 20px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--tea-100);
  background: rgba(230, 236, 217, 0.58);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.proof-note strong,
.product-buy-note strong {
  display: block;
  font-family: var(--font-serif);
  color: var(--ink-900);
  font-size: 18px;
  margin-bottom: 4px;
}
.proof-note span,
.product-buy-note span {
  color: var(--ink-500);
  font-size: 14px;
}

.product-buy-note {
  margin: 0 0 34px;
}

/* ========================================
   品牌介绍
   ======================================== */
.about {
  background: var(--paper);
  position: relative;
  overflow: hidden;
}
.about::before {
  content: '';
  position: absolute;
  top: 200px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(150, 176, 133, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* 顶部茶园大画幅 */
.about-hero-image {
  position: relative;
  margin-bottom: clamp(60px, 8vw, 120px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 21 / 9;
  box-shadow: var(--shadow-lg);
}
.about-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(30, 26, 18, 0.1) 0%, rgba(30, 26, 18, 0.5) 100%);
  display: flex;
  align-items: flex-end;
  padding: 48px;
}
.about-hero-quote {
  color: var(--paper);
  max-width: 600px;
}
.quote-text {
  font-family: var(--font-brush);
  font-size: clamp(24px, 3.5vw, 42px);
  line-height: 1.5;
  letter-spacing: 4px;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
}
.quote-src {
  font-size: 14px;
  color: var(--gold-light);
  letter-spacing: 3px;
  margin-top: 12px;
}

/* 品牌故事 */
.about-story {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
  margin-bottom: clamp(60px, 8vw, 120px);
}

.about-text .section-title { margin-bottom: 8px; }

.about-lead {
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 2;
  color: var(--ink-700);
  font-weight: 500;
  margin-bottom: 18px;
}

.about-body {
  font-size: 15px;
  line-height: 2;
  color: var(--ink-500);
  margin-bottom: 36px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding-top: 28px;
  border-top: 1px solid var(--paper-dark);
}

.stat-item {
  text-align: center;
  padding: 12px 4px;
}

.stat-num {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: var(--tea-700);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: 1px;
}
.stat-num span {
  font-size: 0.5em;
  color: var(--gold);
  font-weight: 500;
  margin-left: 2px;
}
.stat-num .count-up {
  font-size: 1em;
  color: var(--tea-700);
  font-weight: 700;
  margin-left: 0;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: 12px;
  color: var(--ink-300);
  letter-spacing: 1px;
}

/* 品牌图片区 */
.about-images {
  position: relative;
  height: 540px;
}
.about-img {
  position: absolute;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.6s var(--ease-out);
}
.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}
.about-img:hover img {
  transform: scale(1.06);
}

.about-img-lg {
  width: 65%;
  height: 75%;
  top: 0;
  left: 0;
}

.about-img-sm {
  width: 48%;
  height: 55%;
  bottom: 0;
  right: 0;
}

.about-img-stamp {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-6deg);
  width: 90px;
  height: 90px;
  background: var(--vermilion);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(168, 59, 42, 0.4);
  z-index: 3;
}
.stamp-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 2px;
  width: 78%;
  height: 78%;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--paper);
  border: 2px solid rgba(245, 240, 230, 0.4);
  border-radius: 3px;
}
.stamp-inner span {
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* 品牌理念三章 */
.about-philosophy {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  position: relative;
}
.philosophy-item {
  padding: 48px 36px;
  text-align: center;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--paper-dark);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(250, 247, 240, 0.94), rgba(230, 236, 217, 0.62)),
    var(--paper-light);
  box-shadow: var(--shadow-xs);
  transform: translateY(34px) scale(0.96);
  transition: opacity 0.85s var(--ease-out), transform 0.85s var(--ease-out), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.philosophy-item.is-visible {
  transform: translateY(0) scale(1);
}
.philosophy-item::before {
  content: '';
  position: absolute;
  inset: -3px;
  z-index: 0;
  border-radius: inherit;
  background: conic-gradient(from var(--ring-angle), transparent 0 58%, rgba(245, 222, 174, 0.98) 66%, rgba(143, 106, 42, 1) 76%, rgba(212, 176, 122, 0.92) 84%, transparent 94% 100%);
  padding: 3px;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  animation: goldRing 3.2s linear infinite;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}
.philosophy-item::after {
  content: '';
  position: absolute;
  inset: 1px;
  z-index: 0;
  border-radius: calc(var(--radius-lg) - 1px);
  background: linear-gradient(135deg, rgba(212, 176, 122, 0.16), transparent 38%, rgba(74, 99, 63, 0.1));
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}
.philosophy-item.is-visible:nth-child(1) { transition-delay: 0s; }
.philosophy-item.is-visible:nth-child(2) { transition-delay: 0.12s; }
.philosophy-item.is-visible:nth-child(3) { transition-delay: 0.24s; }
.philosophy-item.is-visible::before {
  animation: goldRing 1.6s linear 1;
  opacity: 0.5;
}
.philosophy-item.is-visible::after {
  opacity: 0.45;
  animation: cardSheen 1.1s var(--ease-out) 1;
}
.philosophy-item:hover {
  border-color: rgba(143, 106, 42, 0.45);
  box-shadow: 0 18px 48px rgba(143, 106, 42, 0.2), inset 0 0 0 1px rgba(212, 176, 122, 0.2);
  transform: translateY(-8px) scale(1.035);
}
.philosophy-item:active {
  transform: translateY(-3px) scale(1.02);
}
.philosophy-item:hover::before,
.philosophy-item:focus-within::before,
.philosophy-item:hover::after,
.philosophy-item:focus-within::after {
  opacity: 1;
}
.philosophy-item:hover::before,
.philosophy-item:focus-within::before {
  animation: goldRing 2.4s linear infinite;
}

.philosophy-num {
  font-family: var(--font-brush);
  font-size: 48px;
  color: rgba(143, 106, 42, 0.08);
  -webkit-text-stroke: 1px rgba(143, 106, 42, 0.72);
  text-shadow: 0 0 18px rgba(212, 176, 122, 0.18);
  margin-bottom: 16px;
  line-height: 1;
  transition: color var(--dur) var(--ease), text-shadow var(--dur) var(--ease);
  position: relative;
  z-index: 1;
}
.philosophy-item:hover .philosophy-num {
  color: rgba(212, 176, 122, 0.24);
  text-shadow: 0 0 24px rgba(212, 176, 122, 0.48);
}

.philosophy-item h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: 14px;
  letter-spacing: 3px;
  text-shadow: 0 0 1px rgba(143, 106, 42, 0.18);
  transition: color var(--dur) var(--ease), text-shadow var(--dur) var(--ease);
  position: relative;
  z-index: 1;
}
.philosophy-item:hover h3 {
  color: var(--gold);
  text-shadow:
    0 0 1px var(--gold-light),
    0 0 16px rgba(212, 176, 122, 0.36);
}

.philosophy-item p {
  font-size: 14.5px;
  line-height: 2;
  color: var(--ink-500);
  position: relative;
  z-index: 1;
}

@property --ring-angle {
  syntax: '<angle>';
  inherits: false;
  initial-value: 0deg;
}

@keyframes goldRing {
  to { --ring-angle: 360deg; }
}

@keyframes cardSheen {
  from { opacity: 0; transform: translateX(-18px); }
  45% { opacity: 0.55; }
  to { opacity: 0.18; transform: translateX(0); }
}

/* ========================================
   茶品展示
   ======================================== */
.products {
  background: var(--paper-light);
  position: relative;
}
.products::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--tea-300), transparent);
}

/* 分类标签 */
.product-tabs {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.prod-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 22px 36px;
  background: var(--paper);
  border-radius: var(--radius);
  border: 1px solid var(--paper-dark);
  transition: all var(--dur) var(--ease);
  cursor: pointer;
  min-width: 150px;
  min-height: 96px;
}
.prod-tab:hover {
  border-color: var(--tea-300);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}
.prod-tab.active {
  background: var(--tea-700);
  border-color: var(--tea-700);
  box-shadow: 0 12px 32px rgba(74, 99, 63, 0.3);
  transform: translateY(-3px);
}

.prod-tab-icon {
  width: 32px;
  height: 32px;
  color: var(--tea-500);
  margin-bottom: 2px;
  transition: color var(--dur) var(--ease);
}
.prod-tab-icon svg { width: 100%; height: 100%; }
.prod-tab.active .prod-tab-icon { color: var(--gold); }

.prod-tab-name {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-700);
  letter-spacing: 3px;
  transition: color var(--dur) var(--ease);
}
.prod-tab.active .prod-tab-name { color: var(--paper); }

.prod-tab-sub {
  font-size: 11px;
  color: var(--ink-300);
  letter-spacing: 2px;
  transition: color var(--dur) var(--ease);
}
.prod-tab.active .prod-tab-sub { color: var(--tea-100); }

/* 产品面板 */
.product-panel {
  display: none;
  animation: fadeUp 0.6s var(--ease-out);
}
.product-panel.active { display: block; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* 产品卡片 */
.prod-card {
  background: var(--paper);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--paper-dark);
  transition: all var(--dur) var(--ease);
  display: flex;
  flex-direction: column;
  cursor: pointer;
}
.prod-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--tea-300);
}

.prod-img {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--tea-50);
}
.prod-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out);
}
.prod-card:hover .prod-img img {
  transform: scale(1.08);
}

.prod-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 12px;
  background: var(--vermilion);
  color: var(--paper);
  font-size: 11px;
  font-weight: 500;
  border-radius: 100px;
  letter-spacing: 1px;
  z-index: 2;
}
.prod-tag.tag-gold {
  background: var(--gold);
}

.prod-quick-view {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  background: rgba(245, 240, 230, 0.9);
  color: var(--ink-700);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(-6px);
  transition: all var(--dur) var(--ease);
  z-index: 2;
}
.prod-card:hover .prod-quick-view {
  opacity: 1;
  transform: translateY(0);
}
.prod-quick-view:hover {
  background: var(--tea-700);
  color: var(--paper);
}

.prod-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.prod-category {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 8px;
}

.prod-name {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-900);
  line-height: 1.5;
  margin-bottom: 14px;
  letter-spacing: 1px;
}

.prod-meta {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 12px 0;
  border-top: 1px solid var(--paper-dark);
  border-bottom: 1px solid var(--paper-dark);
  margin-bottom: 14px;
}
.meta-line {
  display: flex;
  gap: 10px;
  font-size: 12.5px;
}
.meta-line span:first-child {
  color: var(--ink-300);
  flex-shrink: 0;
  min-width: 36px;
}
.meta-line span:last-child {
  color: var(--ink-500);
  font-weight: 500;
}

.prod-desc {
  font-size: 13.5px;
  color: var(--ink-500);
  line-height: 1.8;
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.prod-proof {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--tea-700);
  background: var(--tea-50);
  border: 1px solid var(--tea-100);
  border-radius: var(--radius-sm);
  padding: 9px 10px;
  margin: -2px 0 16px;
}

.prod-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.prod-price {
  display: flex;
  align-items: baseline;
}
.price-unit {
  font-size: 13px;
  color: var(--vermilion);
  font-weight: 500;
}
.price-val {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--vermilion);
  line-height: 1;
  margin: 0 2px;
}
.price-spec {
  font-size: 11px;
  color: var(--ink-300);
}

/* ========================================
   茶文化
   ======================================== */
.culture {
  position: relative;
  overflow: hidden;
  color: var(--paper);
  padding: clamp(80px, 12vw, 160px) 0;
}

.culture-bg-image {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.culture-bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(2px);
}

.culture-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(30, 42, 24, 0.85) 0%, rgba(47, 64, 40, 0.9) 50%, rgba(30, 42, 24, 0.92) 100%);
}

.culture .container {
  position: relative;
  z-index: 2;
}

.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.culture-card {
  padding: 40px 28px;
  background: rgba(245, 240, 230, 0.04);
  border: 1px solid rgba(150, 176, 133, 0.18);
  border-radius: var(--radius);
  transition: all var(--dur) var(--ease);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.culture-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s var(--ease-out);
}
.culture-card:hover {
  background: rgba(245, 240, 230, 0.08);
  border-color: rgba(212, 176, 122, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
}
.culture-card:hover::before {
  transform: scaleX(1);
}

.culture-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
}
.culture-icon svg { width: 100%; height: 100%; }

.culture-num {
  position: absolute;
  top: 16px;
  right: 20px;
  font-family: var(--font-brush);
  font-size: 32px;
  color: rgba(245, 240, 230, 0.08);
  line-height: 1;
  transition: color var(--dur) var(--ease);
}
.culture-card:hover .culture-num {
  color: rgba(212, 176, 122, 0.3);
}

.culture-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 4px;
  letter-spacing: 4px;
  color: var(--paper);
}

.culture-en {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--tea-300);
  margin-bottom: 18px;
  text-transform: uppercase;
  font-weight: 300;
}

.culture-text {
  font-size: 14px;
  line-height: 2;
  color: rgba(245, 240, 230, 0.7);
  text-align: left;
}

/* ========================================
   茶道展示
   ======================================== */
.ceremony {
  background: var(--paper);
}

.ceremony-stage {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.ceremony-visual {
  position: relative;
}

.ceremony-img-wrap {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.ceremony-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.6s var(--ease);
}

.ceremony-img-frame {
  position: absolute;
  top: 20px;
  left: 20px;
  right: -20px;
  bottom: -20px;
  border: 2px solid var(--tea-300);
  border-radius: var(--radius-lg);
  z-index: -1;
  pointer-events: none;
}

.ceremony-caption {
  margin-top: 24px;
  padding-left: 20px;
  border-left: 3px solid var(--gold);
}
.ceremony-step-num {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--gold);
  margin-bottom: 6px;
}
.ceremony-step-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink-900);
  letter-spacing: 2px;
}

.ceremony-steps-wrap {
  padding: 20px 0;
}

.ceremony-steps-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-900);
  letter-spacing: 3px;
  margin-bottom: 28px;
}
.ceremony-steps-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--gold);
  margin-top: 12px;
}

.ceremony-steps {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 32px;
}

.cer-step {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--paper-dark);
  background: var(--paper-light);
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  min-height: 72px;
}
.cer-step:hover {
  border-color: var(--tea-300);
  background: var(--tea-50);
}
.cer-step.active {
  background: var(--tea-700);
  border-color: var(--tea-700);
  box-shadow: 0 8px 24px rgba(74, 99, 63, 0.3);
}

.cer-step-num {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--tea-300);
  letter-spacing: 1px;
  flex-shrink: 0;
  width: 36px;
  transition: color var(--dur) var(--ease);
}
.cer-step.active .cer-step-num {
  color: var(--gold);
}

.cer-step-content {
  flex: 1;
  min-width: 0;
  transition: color var(--dur) var(--ease);
}
.cer-step-content h4 {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-700);
  margin-bottom: 4px;
  letter-spacing: 2px;
  transition: color var(--dur) var(--ease);
}
.cer-step.active .cer-step-content h4 {
  color: var(--paper);
}
.cer-step-content p {
  font-size: 13.5px;
  color: var(--ink-500);
  line-height: 1.7;
  transition: color var(--dur) var(--ease);
}
.cer-step.active .cer-step-content p {
  color: var(--tea-100);
}

.cer-step-arrow {
  font-size: 18px;
  color: var(--ink-300);
  flex-shrink: 0;
  transition: all var(--dur) var(--ease);
}
.cer-step.active .cer-step-arrow {
  color: var(--gold);
  transform: translateX(4px);
}

.ceremony-progress {
  display: flex;
  align-items: center;
  gap: 16px;
}
.progress-bar {
  flex: 1;
  height: 4px;
  background: var(--paper-dark);
  border-radius: 2px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 25%;
  background: linear-gradient(90deg, var(--tea-500), var(--gold));
  border-radius: 2px;
  transition: width 0.6s var(--ease-out);
}
.progress-text {
  font-size: 13px;
  color: var(--ink-500);
  font-family: var(--font-serif);
  letter-spacing: 1px;
  white-space: nowrap;
}

/* ========================================
   集锦相册
   ======================================== */
.gallery {
  background: var(--paper-light);
}

.gallery-filter {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.gal-filter {
  padding: 10px 24px;
  font-size: 14px;
  color: var(--ink-500);
  background: var(--paper);
  border: 1px solid var(--paper-dark);
  border-radius: 100px;
  transition: all var(--dur) var(--ease);
  min-height: 40px;
}
.gal-filter:hover {
  border-color: var(--tea-300);
  color: var(--tea-700);
}
.gal-filter.active {
  background: var(--tea-700);
  border-color: var(--tea-700);
  color: var(--paper);
}

/* 瀑布流 */
.gallery-masonry {
  columns: 4;
  column-gap: 16px;
}

.gal-item {
  break-inside: avoid;
  margin-bottom: 16px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  cursor: zoom-in;
  background: var(--paper-dark);
  transition: all var(--dur) var(--ease);
}
.gal-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.7s var(--ease-out);
}
.gal-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.gal-item:hover img {
  transform: scale(1.06);
}

.gal-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(30, 26, 18, 0.7) 100%);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
  display: flex;
  align-items: flex-end;
  padding: 16px;
}
.gal-item:hover .gal-overlay { opacity: 1; }

.gal-info {
  color: var(--paper);
  transform: translateY(10px);
  transition: transform var(--dur) var(--ease);
}
.gal-item:hover .gal-info { transform: translateY(0); }

.gal-info-title {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 2px;
}
.gal-info-cat {
  font-size: 11px;
  color: var(--gold-light);
  letter-spacing: 2px;
}

.gal-zoom-icon {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  background: rgba(245, 240, 230, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-700);
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--dur) var(--ease);
}
.gal-item:hover .gal-zoom-icon {
  opacity: 1;
  transform: scale(1);
}

/* ========================================
   灯箱
   ======================================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(20, 18, 12, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur) var(--ease), visibility var(--dur);
}
.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lb-close,
.lb-prev,
.lb-next {
  position: absolute;
  z-index: 2;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(245, 240, 230, 0.1);
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur) var(--ease);
}
.lb-close:hover,
.lb-prev:hover,
.lb-next:hover {
  background: rgba(245, 240, 230, 0.2);
  transform: scale(1.1);
}

.lb-close {
  top: 24px;
  right: 24px;
}
.lb-prev {
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
}
.lb-prev:hover { transform: translateY(-50%) scale(1.1); }
.lb-next {
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
}
.lb-next:hover { transform: translateY(-50%) scale(1.1); }

.lb-content {
  position: relative;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

#lbImage {
  max-width: 90vw;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}
.lightbox.open #lbImage {
  opacity: 1;
  transform: scale(1);
}

.lb-caption {
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: 2px;
  text-align: center;
}

.lb-counter {
  color: var(--tea-300);
  font-size: 13px;
  letter-spacing: 2px;
}

/* ========================================
   茶友评论区
   ======================================== */
.reviews {
  background: var(--paper);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.review-card {
  background: var(--paper-light);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--paper-dark);
  transition: all var(--dur) var(--ease);
}
.review-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--tea-300);
}

.review-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--paper-dark);
}

.review-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--vermilion);
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.review-avatar.avatar-green { background: var(--tea-700); }
.review-avatar.avatar-brown { background: #6B4226; }
.review-avatar.avatar-ochre { background: var(--gold); }

.review-info {
  flex: 1;
  min-width: 0;
}

.review-name {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: 4px;
  letter-spacing: 1px;
}

.review-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--ink-300);
  flex-wrap: wrap;
}
.review-tea {
  color: var(--tea-700);
  font-weight: 500;
}

.review-rating {
  flex-shrink: 0;
  font-size: 14px;
  color: var(--gold);
  letter-spacing: 1px;
}

.review-text {
  font-size: 14.5px;
  line-height: 2;
  color: var(--ink-500);
  margin-bottom: 20px;
}

.review-foot {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--paper-dark);
}

.review-like,
.review-reply {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--ink-300);
  transition: all var(--dur) var(--ease);
  padding: 4px 6px;
  min-height: 30px;
  border-radius: var(--radius-sm);
}
.review-like:hover { color: var(--vermilion); background: rgba(168, 59, 42, 0.06); }
.review-like.liked { color: var(--vermilion); }
.review-like.liked svg { fill: currentColor; }
.review-reply:hover { color: var(--tea-700); background: rgba(74, 99, 63, 0.06); }

/* 写评论区 */
.write-review {
  background: var(--paper-light);
  border-radius: var(--radius-lg);
  border: 1px solid var(--paper-dark);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.write-review-inner {
  padding: clamp(32px, 5vw, 56px);
}

.write-review-head {
  text-align: center;
  margin-bottom: 36px;
}
.write-review-head h3 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: 8px;
  letter-spacing: 2px;
}
.write-review-head p {
  font-size: 14px;
  color: var(--ink-300);
}

.write-review-form {
  max-width: 720px;
  margin: 0 auto;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-field {
  margin-bottom: 24px;
}

.form-field label {
  display: block;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-500);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}
.form-field .req {
  color: var(--vermilion);
  margin-left: 2px;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ink-700);
  background: var(--paper);
  border: 1px solid var(--paper-dark);
  border-radius: var(--radius-sm);
  transition: all var(--dur) var(--ease);
  line-height: 1.5;
  min-height: 44px;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--tea-500);
  box-shadow: 0 0 0 3px rgba(107, 138, 91, 0.12);
  background: var(--paper-light);
}
.form-field textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.8;
}

.star-rating {
  display: flex;
  gap: 4px;
  font-size: 32px;
  color: var(--tea-100);
  cursor: pointer;
  user-select: none;
  min-height: 44px;
  align-items: center;
}
.star-rating .star {
  transition: all 0.15s ease;
  padding: 2px;
  line-height: 1;
}
.star-rating .star:hover,
.star-rating .star.active {
  color: var(--gold);
  transform: scale(1.15);
}

.form-action {
  text-align: center;
  margin-top: 8px;
}

/* ========================================
   页脚
   ======================================== */
.footer {
  background: var(--ink-900);
  color: rgba(245, 240, 230, 0.65);
  padding: clamp(56px, 8vw, 100px) 0 28px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(245, 240, 230, 0.08);
}

.footer-brand .brand-name { color: var(--paper); }
.footer-brand .brand-sub { color: rgba(245, 240, 230, 0.5); }

.footer-tag {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--gold);
  letter-spacing: 4px;
  margin: 20px 0 12px;
}

.footer-desc {
  font-size: 14px;
  line-height: 2;
  color: rgba(245, 240, 230, 0.5);
}

.footer-col h5 {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col ul li {
  font-size: 14px;
  color: rgba(245, 240, 230, 0.5);
}

.footer-col ul li a:hover {
  color: var(--tea-300);
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-contact svg {
  color: var(--gold);
  flex-shrink: 0;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  font-size: 13px;
  color: rgba(245, 240, 230, 0.35);
  flex-wrap: wrap;
  gap: 12px;
}

/* ========================================
   产品详情弹层
   ======================================== */
.product-modal {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur) var(--ease), visibility var(--dur);
}
.product-modal.open {
  opacity: 1;
  visibility: visible;
}

.pm-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 18, 12, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.pm-dialog {
  position: relative;
  width: 100%;
  max-width: 960px;
  max-height: 90vh;
  background: var(--paper);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  transform: translateY(30px) scale(0.96);
  transition: transform 0.5s var(--ease-out);
  overflow-y: auto;
}
.product-modal.open .pm-dialog {
  transform: translateY(0) scale(1);
}

.pm-close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 3;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(245, 240, 230, 0.9);
  color: var(--ink-700);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur) var(--ease);
}
.pm-close:hover {
  background: var(--vermilion);
  color: var(--paper);
  transform: rotate(90deg);
}

.pm-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 500px;
}

.pm-image {
  position: relative;
  background: var(--tea-50);
  aspect-ratio: 1;
}
.pm-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pm-details {
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
}

.pm-cat {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--gold);
  font-weight: 500;
}

.pm-name {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--ink-900);
  line-height: 1.4;
  letter-spacing: 1px;
}

.pm-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  padding: 16px 0;
  border-top: 1px solid var(--paper-dark);
  border-bottom: 1px solid var(--paper-dark);
}
.pm-price .price-unit { font-size: 16px; }
.pm-price .price-val { font-size: 36px; }
.pm-price .price-spec { font-size: 13px; margin-left: 8px; color: var(--ink-300); }

.pm-meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 8px 0;
}
.pm-meta-row {
  display: flex;
  gap: 14px;
  font-size: 14px;
}
.pm-meta-row dt {
  color: var(--ink-300);
  min-width: 48px;
  flex-shrink: 0;
}
.pm-meta-row dd {
  color: var(--ink-700);
  font-weight: 500;
}

.pm-desc-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-700);
  letter-spacing: 1px;
  margin-bottom: 4px;
  margin-top: 4px;
}

.pm-desc {
  font-size: 14.5px;
  line-height: 2;
  color: var(--ink-500);
}

.pm-actions {
  margin-top: auto;
  padding-top: 20px;
  display: flex;
  gap: 12px;
}
.pm-actions .btn {
  flex: 1;
}

/* ========================================
   返回顶部
   ======================================== */
.back-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 90;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--tea-700);
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(74, 99, 63, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--dur) var(--ease);
}
.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-top:hover {
  background: var(--tea-900);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(74, 99, 63, 0.45);
}

/* ========================================
   响应式
   ======================================== */
@media (max-width: 1200px) {
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-masonry { columns: 3; }
  .footer-top { grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 36px; }
}

@media (max-width: 960px) {
  .nav-links, .nav-cta { display: none; }
  .nav-menu-btn { display: flex; }
  .nav .brand { max-width: min(72vw, 250px); }

  .hero-figure { display: none; }
  .hero-seal { top: 88px; right: 24px; width: 64px; height: 64px; font-size: 16px; }

  .about-story { grid-template-columns: 1fr; }
  .about-images { height: 420px; max-width: 500px; margin: 0 auto; }
  .about-philosophy { grid-template-columns: 1fr; }

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

  .ceremony-stage { grid-template-columns: 1fr; }
  .ceremony-img-wrap { max-width: 500px; margin: 0 auto; }
  .ceremony-img-frame { display: none; }

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

  .reviews-grid { grid-template-columns: 1fr; }

  .footer-top { grid-template-columns: 1fr 1fr; }

  .pm-body { grid-template-columns: 1fr; }
  .pm-image { aspect-ratio: 4/3; max-height: 320px; }
}

@media (max-width: 640px) {
  .nav .brand {
    max-width: min(74vw, 232px);
    gap: 9px;
    padding: 7px 10px 7px 7px;
  }
  .brand-mark {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }
  .brand-name {
    font-size: 16px;
    letter-spacing: 1.4px;
  }
  .brand-sub {
    font-size: 10px;
    letter-spacing: 1px;
  }
  .hero-title {
    font-size: clamp(40px, 13vw, 54px);
    letter-spacing: 1px;
    text-indent: 1px;
    gap: 2px;
  }
  .hero-eyebrow { letter-spacing: 5px; }
  .hero-subtitle {
    letter-spacing: 2px;
    text-shadow: 0 2px 12px rgba(30, 26, 18, 0.35);
  }
  .hero-desc {
    max-width: 300px;
    line-height: 1.9;
  }
  .hero-actions {
    width: min(100%, 280px);
    flex-direction: column;
    gap: 12px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-actions .btn-ghost {
    background: rgba(47, 64, 40, 0.32);
    border-color: rgba(245, 240, 230, 0.68);
    color: var(--paper);
  }

  .proof-grid { grid-template-columns: 1fr; }
  .proof-note,
  .product-buy-note {
    align-items: flex-start;
    flex-direction: column;
  }
  .inline-copy { width: 100%; }

  .product-tabs { gap: 10px; }
  .prod-tab {
    flex-direction: row;
    min-width: 0;
    padding: 14px 20px;
    gap: 10px;
    min-height: 56px;
    flex: 1;
  }
  .prod-tab-icon { margin: 0; width: 24px; height: 24px; }
  .prod-tab-sub { display: none; }

  .product-grid { grid-template-columns: 1fr; }

  .gallery-masonry { columns: 2; column-gap: 8px; }
  .gal-item { margin-bottom: 8px; }

  .culture-grid { grid-template-columns: 1fr; }

  .about-stats { grid-template-columns: repeat(2, 1fr); gap: 20px; }

  .form-row { grid-template-columns: 1fr; gap: 0; }

  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .write-review-inner { padding: 28px 20px; }
  .review-card { padding: 24px; }

  .back-top { bottom: 20px; right: 20px; width: 42px; height: 42px; }

  .lb-close { top: 16px; right: 16px; width: 40px; height: 40px; }
  .lb-prev { left: 12px; }
  .lb-next { right: 12px; }
  .lb-prev, .lb-next { width: 40px; height: 40px; }

  .about-hero-overlay { padding: 24px; }
}