/* 清葉 QINGYE · 全站共享样式
 * finesse · register=brand · A=mono+teagreen · B=900/300 · C=asymmetric-split
 * D=CSS-reveal+parallax · E=geometric-teaware · SOUL=7 SPECTACLE=6 DENSITY=4 */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

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

:root {
  --bg: #F4F2EC;
  --bg-2: #EDEAE0;
  --surface: #ECE9DF;
  --ink: #16140E;
  --muted: #6B675A;
  --dim: #C4BFB0;
  --accent: #1D4633;
  --accent-2: #3E7A5B;
  --accent-ink: #F2EFE6;
  --accent-soft: #DDE5D8;
  --warm: #E6D8B8;
  --border: rgba(22,20,14,.09);
  --border-strong: rgba(22,20,14,.16);
  --font-cn: 'Noto Sans SC', 'PingFang SC', system-ui, sans-serif;
  --font-en: 'Space Grotesk', 'Noto Sans SC', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-cn);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

/* 颗粒噪点层 */
.grain {
  position: fixed; inset: 0; z-index: 60; pointer-events: none; opacity: .028;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

::selection { background: var(--accent); color: var(--accent-ink); }

/* —— 导航 —— */
nav {
  position: sticky; top: 0; z-index: 50; height: 76px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 56px);
  border-bottom: 1px solid var(--border);
  background: rgba(244,242,236,.78);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
}
.brand { display: flex; align-items: baseline; gap: 10px; text-decoration: none; color: var(--ink); }
.brand .logo { font-size: 22px; font-weight: 700; letter-spacing: .04em; transition: transform .4s cubic-bezier(.16,1,.3,1); }
.brand:hover .logo { transform: translateY(-1px); }
.brand .logo-en { font-family: var(--font-en); font-size: 11px; letter-spacing: .3em; color: var(--muted); text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 400; letter-spacing: .02em; position: relative; transition: color .25s ease; }
.nav-links a::after { content: ''; position: absolute; left: 0; bottom: -6px; width: 0; height: 1px; background: var(--accent); transition: width .3s cubic-bezier(.16,1,.3,1); }
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after { width: 100%; }
.nav-cta {
  display: inline-flex; align-items: center; height: 44px; padding: 0 26px;
  background: var(--ink); color: var(--bg); text-decoration: none;
  font-size: 14px; font-weight: 500; letter-spacing: .04em; border-radius: 100px;
  transition: transform .3s cubic-bezier(.16,1,.3,1), background .3s ease, box-shadow .3s ease;
}
.nav-cta:hover { background: var(--accent); transform: scale(1.04); box-shadow: 0 8px 24px rgba(29,70,51,.25); }
@media (max-width: 820px) { .nav-links a:not(.nav-cart) { display: none; } }

/* —— 通用容器与排版 —— */
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 56px); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-en); font-size: 11px; letter-spacing: .32em; text-transform: uppercase;
  color: var(--accent); font-weight: 500;
}
.eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--accent); }
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: clamp(36px, 6vh, 64px); gap: 20px; flex-wrap: wrap; }
.sec-head h2 { font-size: clamp(30px, 5vw, 54px); font-weight: 700; letter-spacing: -.02em; line-height: 1.1; }
.sec-head .sec-en { font-family: var(--font-en); font-size: 12px; letter-spacing: .28em; text-transform: uppercase; color: var(--muted); }

/* —— 按钮 —— */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 52px; padding: 0 34px; border-radius: 100px; text-decoration: none;
  font-size: 15px; font-weight: 500; letter-spacing: .04em; cursor: pointer;
  border: 1px solid transparent; position: relative; overflow: hidden;
  transition: transform .35s cubic-bezier(.16,1,.3,1), background .3s ease, color .3s ease, box-shadow .35s ease;
}
.btn:hover { transform: translateY(-2px) scale(1.03); }
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: var(--accent); box-shadow: 0 12px 32px rgba(29,70,51,.28); }
.btn-primary::after { content: ''; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.18) 50%, transparent 70%); transform: translateX(-100%); transition: transform .7s ease; }
.btn-primary:hover::after { transform: translateX(100%); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--border-strong); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* —— 横滚茶名 —— */
.marquee { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); overflow: hidden; padding: 20px 0; }
.marquee-track { display: flex; width: max-content; animation: marquee 30s linear infinite; }
.marquee-track span { font-family: var(--font-en); font-size: 15px; letter-spacing: .34em; text-transform: uppercase; color: var(--muted); padding: 0 30px; white-space: nowrap; }
.marquee-track span.dot { color: var(--accent); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* —— 页脚 —— */
footer { padding: 40px clamp(20px, 4vw, 56px) 48px; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; border-top: 1px solid var(--border); }
footer .f-brand { font-weight: 500; letter-spacing: .04em; }
footer .f-links { display: flex; gap: 24px; flex-wrap: wrap; }
footer .f-links a { color: var(--muted); text-decoration: none; font-size: 13px; transition: color .25s ease; }
footer .f-links a:hover { color: var(--ink); }
footer .f-meta { font-size: 13px; color: var(--muted); }

/* —— 浮现动效 —— */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s cubic-bezier(.16,1,.3,1), transform .8s cubic-bezier(.16,1,.3,1); }
.reveal.in { opacity: 1; transform: none; }

/* 动画关键帧（全站复用） */
@keyframes rise { to { transform: translateY(0); } }
@keyframes fadein { to { opacity: 1; } }
@keyframes blob { 0%, 100% { transform: translate(0,0) scale(1); } 33% { transform: translate(34px,-26px) scale(1.07); } 66% { transform: translate(-22px,20px) scale(.95); } }
@keyframes steam { 0% { opacity: 0; transform: translateY(14px) scaleY(.5); } 40% { opacity: .75; } 100% { opacity: 0; transform: translateY(-30px) scaleY(1.35); } }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes cupIn { to { transform: translateY(0); } }
@keyframes wheel { 0% { opacity: 0; transform: translate(-50%,0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%,10px); } }
@keyframes glow { 0%, 100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-20px,24px) scale(1.12); } }

/* —— 无障碍：减弱动效 —— */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .marquee-track { animation: none; }
  .reveal { opacity: 1 !important; transform: none !important; }
}
body.rm [data-anim] { opacity: 1 !important; transform: none !important; }

a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* —— 购物车入口 + 角标 —— */
.nav-cart { position: relative; display: inline-flex; align-items: center; color: var(--ink) !important; }
.nav-cart svg { width: 22px; height: 22px; }
.nav-cart::after { display: none; }
.cart-badge {
  position: absolute; top: -7px; right: -11px; min-width: 18px; height: 18px;
  border-radius: 100px; background: var(--accent); color: var(--accent-ink);
  font-family: var(--font-en); font-size: 11px; font-weight: 600;
  display: flex; align-items: center; justify-content: center; padding: 0 4px;
}

/* —— 表单 —— */
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13px; font-weight: 500; letter-spacing: .04em; margin-bottom: 8px; }
.field input { width: 100%; height: 46px; padding: 0 16px; border: 1px solid var(--border-strong); border-radius: 12px; background: var(--bg); color: var(--ink); font-size: 15px; font-family: var(--font-cn); transition: border-color .25s ease, box-shadow .25s ease; }
.field input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(29,70,51,.10); }
.field input::placeholder { color: var(--dim); }

/* —— 徽章 —— */
.badge { display: inline-flex; align-items: center; height: 26px; padding: 0 12px; border-radius: 100px; font-size: 12px; letter-spacing: .04em; white-space: nowrap; }
.badge-green { background: var(--accent-soft); color: var(--accent); }
.badge-amber { background: #F3E6C8; color: #8A6A1E; }
.badge-gray { background: var(--bg-2); color: var(--muted); }
.badge-ink { background: var(--ink); color: var(--bg); }

/* —— 空状态 —— */
.empty { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty p { font-size: 15px; }

/* —— toast 提示 —— */
.toast {
  position: fixed; left: 50%; bottom: 44px; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: var(--bg); padding: 12px 22px; border-radius: 100px;
  font-size: 14px; z-index: 100; opacity: 0; pointer-events: none;
  transition: opacity .3s ease, transform .3s ease; box-shadow: 0 12px 32px rgba(22,20,14,.24);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* —— 表格 —— */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 14px 12px; border-bottom: 1px solid var(--border); font-size: 14px; vertical-align: middle; }
.table th { font-size: 12px; letter-spacing: .06em; color: var(--muted); font-weight: 500; }
.table td { font-weight: 400; }
.table tr:last-child td { border-bottom: none; }

/* —— 进度条（库存） —— */
.bar { height: 6px; border-radius: 3px; background: var(--bg-2); overflow: hidden; flex: 1; }
.bar i { display: block; height: 100%; background: var(--accent); border-radius: 3px; transition: width .5s ease; }
.bar i.warn { background: #D9A441; }
.bar i.low { background: #C0392B; }

/* —— 小按钮 / 图标按钮 —— */
.btn-sm { height: 36px; padding: 0 16px; font-size: 13px; border-radius: 100px; }
.btn-ghost-sm { height: 34px; padding: 0 14px; font-size: 13px; border-radius: 100px; border: 1px solid var(--border-strong); background: transparent; color: var(--ink); cursor: pointer; transition: all .25s ease; }
.btn-ghost-sm:hover { border-color: var(--accent); color: var(--accent); }

/* —— 卡片容器（表单页通用） —— */
.panel { border: 1px solid var(--border); border-radius: 20px; background: var(--surface); padding: clamp(20px, 3vw, 32px); }

/* —— 页头（内页通用） —— */
.page-head { padding: clamp(40px, 7vh, 72px) 0 clamp(28px, 5vh, 48px); }
.page-head h1 { font-size: clamp(34px, 6vw, 68px); font-weight: 900; line-height: 1.05; letter-spacing: -.02em; overflow-wrap: anywhere; }
.page-head .sub { margin-top: 16px; font-size: 15px; color: var(--muted); max-width: 520px; line-height: 1.9; }