/* ==========================================================================
   THEONE 唯忆花房 — 永生花艺官网
   设计基调：高级感 / 编辑式排版 / 大量留白 / 单一低饱和强调色
   桌面与移动共用一套结构
   ========================================================================== */

:root {
  /* 色板 — 象牙纸 + 墨黑 + 低饱和玫瑰陶土 */
  --ink:        #17130f;
  --ink-soft:   #4a433b;
  --muted:      #8d8479;
  --paper:      #faf7f2;
  --paper-2:    #f2ece2;
  --paper-3:    #e8dfd2;
  --accent:     #a8564e;
  --accent-deep:#7d3b36;
  --accent-tint:#f3e3e0;
  --gold:       #b08d57;
  --line:       #ded5c7;
  --line-soft:  #ece5da;

  --sp-1: 4px;  --sp-2: 10px; --sp-3: 18px;
  --sp-4: 30px; --sp-5: 48px; --sp-6: 72px; --sp-7: 112px;

  --radius: 2px;
  --radius-lg: 4px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  --font-display: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "Times New Roman", serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;

  --maxw: 1240px;
  --header-h: 84px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .015em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .js .reveal { opacity: 1 !important; transform: none !important; }
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 500; }

.wrap { width: min(var(--maxw), 100% - 2 * var(--sp-5)); margin-inline: auto; }
.wrap-narrow { width: min(720px, 100% - 2 * var(--sp-5)); margin-inline: auto; }

/* ---------- 顶部导航 ---------- */
/* 始终为半透明象牙纸 + 细发丝线，保证在浅色 Hero 上也清晰可读 */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  height: var(--header-h);
  background: color-mix(in oklab, var(--paper) 82%, transparent);
  backdrop-filter: saturate(1.15) blur(16px);
  -webkit-backdrop-filter: saturate(1.15) blur(16px);
  border-bottom: 1px solid var(--line-soft);
  transition: background-color .3s var(--ease), border-color .3s var(--ease);
}
.site-header.solid {
  background: color-mix(in oklab, var(--paper) 94%, transparent);
  border-bottom-color: var(--line);
}
.nav {
  display: flex; align-items: center; gap: var(--sp-4);
  height: 100%;
}
/* v20261113.122: 垂直居中而非 baseline —— baseline 会把 logo 顶到文字基线上方看着偏高 */
.brand { display: flex; align-items: center; gap: var(--sp-2); margin-right: auto; }
/* 有 logo 图时隐掉文字品牌名, 否则 logo + 文字重复两遍 */
.brand.has-logo .brand-name { display: none; }
.brand-name {
  font-family: var(--font-display);
  font-size: 20px; letter-spacing: .16em; line-height: 1.05;
  display: flex; flex-direction: column; gap: 5px;
}
.brand-name i {
  font-style: normal; font-family: var(--font-body);
  font-size: 10px; letter-spacing: .34em; color: var(--muted);
}
.brand-name b { font-weight: 500; }
.brand-name b span { color: var(--accent); }

.nav-links { display: flex; gap: var(--sp-4); align-items: center; }
.nav-links a {
  position: relative;
  font-size: 13px; letter-spacing: .18em; color: var(--ink-soft);
  padding: 6px 0;
  transition: color .2s var(--ease);
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { transform: scaleX(1); }
.nav-links a[aria-current="page"] { color: var(--ink); }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 7px 12px; cursor: pointer;
  font-size: 12px; letter-spacing: .14em; color: var(--ink);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
  padding: 14px 30px; border-radius: var(--radius);
  font-size: 14px; letter-spacing: .1em; font-weight: 500; line-height: 1.2;
  border: 1px solid transparent;
  transition: transform .2s var(--ease), background-color .2s var(--ease),
              color .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.btn-jd { background: #c81623; color: #fff; }
.btn-jd:hover { background: #a8121d; }
.btn-tmall { background: #ff5000; color: #fff; }
.btn-tmall:hover { background: #e04600; }
.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-ghost-light { border-color: rgba(255,255,255,.6); color: #fff; background: rgba(255,255,255,.06); }
.btn-ghost-light:hover { background: #fff; color: var(--ink); }
.btn-lg { padding: 17px 40px; font-size: 15px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex; align-items: flex-end;
  overflow: hidden;
  background: var(--ink);
  padding-top: var(--header-h);
}
.hero-media { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.04); }
.hero-media::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(23,19,15,.42) 0%, rgba(23,19,15,.10) 30%, rgba(23,19,15,.74) 100%);
}
.hero-inner {
  position: relative;
  width: 100%;
  padding: 0 0 clamp(var(--sp-6), 10vh, var(--sp-7));
}
.hero-kicker {
  display: flex; align-items: center; gap: var(--sp-2);
  font-size: 11px; letter-spacing: .34em; text-transform: uppercase;
  color: rgba(255,255,255,.78); margin: 0 0 var(--sp-4);
}
.hero-kicker::before { content: ""; width: 44px; height: 1px; background: var(--gold); }
.hero h1 {
  font-weight: 400;
  font-size: clamp(38px, 6.4vw, 84px);
  line-height: 1.12;
  letter-spacing: .04em;
  margin: 0 0 var(--sp-4);
  color: #fff;
  text-shadow: 0 2px 30px rgba(0,0,0,.28);
}
.hero h1 em {
  font-style: normal; display: block;
  font-size: .52em; letter-spacing: .2em; color: var(--gold);
  margin-top: var(--sp-3);
}
.hero-lede {
  font-size: 16px; line-height: 2; color: rgba(255,255,255,.86);
  max-width: 48ch; margin: 0 0 var(--sp-5);
  text-shadow: 0 1px 14px rgba(0,0,0,.35);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); }
.hero-note {
  font-size: 12px; letter-spacing: .12em; color: rgba(255,255,255,.62);
  margin: var(--sp-4) 0 0;
}
.hero-scroll {
  position: absolute; right: var(--sp-5); bottom: var(--sp-5);
  writing-mode: vertical-rl;
  font-size: 10px; letter-spacing: .32em; color: rgba(255,255,255,.5);
}

/* ---------- 章节骨架 ---------- */
.section { padding: clamp(var(--sp-6), 9vw, var(--sp-7)) 0; }
.section + .section { border-top: 1px solid var(--line-soft); }
.section.tinted { background: var(--paper-2); }

.section-head { margin-bottom: var(--sp-5); }
.section-head .eyebrow {
  display: flex; align-items: center; gap: var(--sp-2);
  font-size: 11px; letter-spacing: .3em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 var(--sp-3);
}
.section-head .eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--accent); }
.section-head h2 {
  font-weight: 400;
  font-size: clamp(26px, 3.6vw, 42px);
  line-height: 1.35; letter-spacing: .03em;
  margin: 0 0 var(--sp-3);
}
.section-head p { color: var(--ink-soft); max-width: 62ch; margin: 0; font-size: 15px; }

/* 滚动渐显：仅在 JS 可用时启用，脚本失败时内容仍可见 */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- 理念 ---------- */
.manifesto {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: clamp(var(--sp-4), 6vw, var(--sp-6));
  align-items: center;
}
.manifesto-figure { position: relative; margin: 0; }
.manifesto-figure img {
  width: 100%; aspect-ratio: 4/5; object-fit: cover; border-radius: var(--radius-lg);
}
.manifesto-figure figcaption {
  position: absolute; left: calc(100% + var(--sp-3)); top: 0;
  writing-mode: vertical-rl;
  font-size: 11px; letter-spacing: .3em; color: var(--muted);
  text-transform: uppercase;
}
.manifesto-text p { color: var(--ink-soft); margin: 0 0 var(--sp-3); }
.pullquote {
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 25px); line-height: 1.75;
  color: var(--ink); margin: var(--sp-5) 0 0;
  padding: var(--sp-4) 0 0;
  border-top: 1px solid var(--gold);
}

/* ---------- 作品画廊 ---------- */
.gallery { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--sp-4) var(--sp-3); }
.gallery figure { margin: 0; position: relative; overflow: hidden; border-radius: var(--radius-lg); }
.gallery figure:nth-child(1) { grid-column: span 7; }
.gallery figure:nth-child(2) { grid-column: span 5; }
.gallery figure:nth-child(3) { grid-column: span 5; }
.gallery figure:nth-child(4) { grid-column: span 7; }
/* v20261113.123: 5 个小类时第 5 张原本没有网格规则 -> 只占 1/12 列(实测 87px 细条)。
   改为整行宽幅卡 */
.gallery figure:nth-child(5) { grid-column: span 12; }
.gallery figure:nth-child(5) img { aspect-ratio: 16 / 9; }
.gallery img {
  width: 100%; aspect-ratio: 1 / 1; object-fit: cover;
  transition: transform 1.1s var(--ease);
}
.gallery figure:nth-child(1) img, .gallery figure:nth-child(4) img { aspect-ratio: 7/5; }
.gallery figure:hover img { transform: scale(1.05); }
.gallery figcaption {
  display: flex; align-items: baseline; justify-content: space-between; gap: var(--sp-2);
  padding-top: var(--sp-3);
  font-size: 14px; letter-spacing: .06em; color: var(--ink);
}
.gallery figcaption span { font-size: 12px; letter-spacing: .2em; color: var(--muted); }
.gallery .tag {
  position: absolute; left: var(--sp-3); top: var(--sp-3);
  font-size: 10px; letter-spacing: .22em; text-transform: uppercase;
  color: #fff; background: rgba(23,19,15,.42);
  padding: 5px 10px; border-radius: var(--radius);
  backdrop-filter: blur(4px);
}

/* ---------- 工艺三栏 ---------- */
.craft-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); }
.craft-item { padding-top: var(--sp-4); border-top: 1px solid var(--ink); }
.craft-item h3 { font-size: 20px; letter-spacing: .06em; margin: 0 0 var(--sp-2); }
.craft-item p { font-size: 14px; color: var(--ink-soft); margin: 0; }
.craft-item span {
  display: block; font-size: 11px; letter-spacing: .28em;
  color: var(--gold); margin-bottom: var(--sp-3);
}

/* ---------- 线上店铺 ---------- */
.shop-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-4); }
.shop-card {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(var(--sp-4), 3.4vw, var(--sp-5));
  display: flex; flex-direction: column; gap: var(--sp-3);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
}
.shop-card:hover { border-color: var(--gold); transform: translateY(-3px); box-shadow: 0 18px 40px -28px rgba(23,19,15,.5); }
.shop-card h3 { font-size: 22px; letter-spacing: .08em; margin: 0; }
.shop-card p { color: var(--ink-soft); margin: 0; flex: 1; font-size: 14px; }
.shop-card .btn { align-self: center; }
.shop-meta {
  display: flex; gap: var(--sp-4); flex-wrap: wrap;
  font-size: 12px; letter-spacing: .08em; color: var(--muted);
  padding-top: var(--sp-3); border-top: 1px solid var(--line-soft);
}
.shop-meta b { color: var(--ink); font-weight: 500; }

/* 微信二维码卡（v20261113.113: 首页「在线选购」第三列） */
.shop-grid.has-qr { grid-template-columns: repeat(3, 1fr); }
/* v20261113.122: 二维码在卡片内居中 */
.shop-card-qr .wechat-qr { margin-top: auto; align-self: center; }
.shop-card-qr .wechat-qr img {
  width: 200px; max-width: 100%; height: auto; display: block; margin: 0 auto;
  border-radius: var(--radius-lg); border: 1px solid var(--line-soft);
  background: #fff;
}

/* ---------- 时间线 ---------- */
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li {
  display: grid; grid-template-columns: 180px 1fr;
  gap: var(--sp-3); padding: var(--sp-3) 0;
  border-bottom: 1px solid var(--line-soft);
}
.timeline li:first-child { border-top: 1px solid var(--line-soft); }
.timeline time { font-size: 13px; letter-spacing: .1em; color: var(--accent); }
.timeline p { margin: 0; color: var(--ink-soft); font-size: 15px; }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(var(--sp-4), 5vw, var(--sp-6)); }
.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: var(--sp-3);
  padding: var(--sp-3) 0; border-bottom: 1px solid var(--line-soft);
  align-items: baseline;
}
.contact-list li:first-child { border-top: 1px solid var(--line-soft); }
.contact-list dt { font-size: 13px; color: var(--muted); margin: 0; }
.contact-list dd { margin: 0; font-size: 16px; }
.contact-list a { border-bottom: 1px solid var(--gold); }

.panel {
  background: var(--paper-2); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: clamp(var(--sp-4), 3vw, var(--sp-5));
}
.panel h3 { font-size: 20px; letter-spacing: .08em; margin: 0 0 var(--sp-3); }
.panel details { border-top: 1px solid var(--line); padding: var(--sp-3) 0; }
.panel details:first-of-type { border-top: 0; }
.panel summary { cursor: pointer; font-weight: 500; font-size: 15px; letter-spacing: .04em; }
.panel summary::marker { color: var(--accent); }
.panel details p { color: var(--ink-soft); font-size: 14px; margin: var(--sp-2) 0 0; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--ink); color: rgba(255,255,255,.68); padding: var(--sp-6) 0 var(--sp-4); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: var(--sp-5); }
.site-footer h4 { font-size: 15px; letter-spacing: .18em; color: #fff; margin: 0 0 var(--sp-3); }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: var(--sp-2); }
.site-footer a { font-size: 13px; letter-spacing: .06em; color: rgba(255,255,255,.68); transition: color .2s var(--ease); }
.site-footer a:hover { color: #fff; }
.site-footer p { font-size: 13px; line-height: 2; color: rgba(255,255,255,.6); margin: 0; }
.footer-wordmark {
  font-family: var(--font-display); font-size: clamp(40px, 7vw, 92px);
  letter-spacing: .12em; color: rgba(255,255,255,.07);
  line-height: 1; margin: var(--sp-5) 0 var(--sp-4);
  white-space: nowrap; overflow: hidden;
}
.footer-bottom {
  padding-top: var(--sp-3); border-top: 1px solid rgba(255,255,255,.12);
  display: flex; flex-wrap: wrap; gap: var(--sp-3); justify-content: space-between;
  font-size: 12px; color: rgba(255,255,255,.45);
}
.footer-bottom a { font-size: 12px; color: rgba(255,255,255,.45); }

/* ---------- 移动端 ---------- */
@media (max-width: 980px) {
  .manifesto { grid-template-columns: 1fr; }
  .manifesto-figure figcaption { display: none; }
  .craft-grid { grid-template-columns: 1fr; }
  .shop-grid { grid-template-columns: 1fr; }
  .shop-grid.has-qr { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery figure:nth-child(n) { grid-column: span 6; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  :root { --header-h: 64px; }
  .wrap, .wrap-narrow { width: calc(100% - 2 * var(--sp-3)); }
  .brand-name { font-size: 17px; }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none; position: absolute; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: var(--sp-2) var(--sp-3) var(--sp-3);
    box-shadow: 0 20px 40px -30px rgba(23,19,15,.6);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: var(--sp-3) 0; border-bottom: 1px solid var(--line-soft); width: 100%; letter-spacing: .14em; }
  .nav-links a::after { display: none; }
  .nav-links a:last-child { border-bottom: 0; }

  /* 移动端 Hero：自然高度，内容不被固定导航遮挡 */
  .hero { min-height: auto; align-items: stretch; }
  .hero-inner { padding: var(--sp-5) 0 var(--sp-6); }
  .hero-actions .btn { width: 100%; }
  .hero-scroll { display: none; }

  .gallery { grid-template-columns: 1fr; gap: var(--sp-4); }
  .gallery figure:nth-child(n) { grid-column: span 1; }
  .gallery figure:nth-child(1) img, .gallery figure:nth-child(4) img { aspect-ratio: 1; }

  .timeline li { grid-template-columns: 1fr; gap: 2px; }
  .contact-list li { grid-template-columns: 1fr; gap: 2px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-wordmark { font-size: 34px; }
  .footer-bottom { flex-direction: column; gap: var(--sp-2); }
}

/* ============================================================
   v20261111.124: 官网接 ERP 配置 —— 作品集 / 品牌角标 / 购买按钮
   ============================================================ */

/* 页头品牌 logo (ERP 配置后才显示, 缺省保留纯文字标识) */
.brand-logo { display: none; }
.brand-logo img { display: block; height: 34px; width: auto; }
.brand-logo.on { display: inline-flex; align-items: center; margin-right: 12px; transform: translateY(3px); }
/* 没有文字跟随时就无需右间距 */
.brand.has-logo .brand-logo.on { margin-right: 0; }

/* 首页「作品一览」= 5 个小类 (由 ERP 渲染) */
.works-empty { color: #8b7f72; font-size: 14px; letter-spacing: .04em; }
.gallery figure { cursor: pointer; }
.gallery figure:hover img { transform: scale(1.03); }
.works-thumb-empty,
.work-thumb-empty {
  width: 100%; aspect-ratio: 1 / 1; display: flex; align-items: center; justify-content: center;
  background: #f3efe9; color: #a8998a; font-size: 13px; letter-spacing: .08em;
}

/* 作品页头部 */
.works-head { padding-top: 92px; }
.works-head h1 { font-size: clamp(2rem, 4.4vw, 3.2rem); }
.works-desc-text { max-width: 62ch; color: #6b6055; line-height: 1.95; margin: 4px 0 0; }
.works-list-section { padding-top: 56px; }

/* 作品网格 */
.works-grid {
  display: grid; gap: 34px 28px;
  grid-template-columns: repeat(auto-fill, minmax(248px, 1fr));
}
.work-card { margin: 0; display: flex; flex-direction: column; }
.work-media { position: relative; overflow: hidden; background: #f3efe9; }
.work-media img { display: block; width: 100%; aspect-ratio: 1 / 1; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.work-card:hover .work-media img { transform: scale(1.04); }
.work-card figcaption { padding-top: 14px; }
.work-card h3 {
  margin: 0 0 6px; font-size: 15px; font-weight: 500; line-height: 1.6;
  font-family: var(--font-serif, Georgia, serif); color: #2a2622;
}
.work-price { font-size: 13px; color: #8b7f72; letter-spacing: .03em; }

/* 品牌角标 (作品集浮层) */
.work-brand {
  position: absolute; left: 12px; top: 12px; z-index: 2;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 4px 10px; border-radius: 999px;
  background: rgba(255,255,255,.86); color: #6b6055;
  font-size: 11px; letter-spacing: .12em; line-height: 1;
  box-shadow: 0 2px 10px rgba(42,38,34,.10); backdrop-filter: blur(4px);
}
.work-brand img { height: 18px; width: auto; display: block; }
.work-brand-womeng { background: rgba(60,52,46,.86); color: #f5efe6; }

/* 购买按钮 */
.work-buy { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.buy {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: 999px; font-size: 12px; letter-spacing: .04em;
  border: 1px solid transparent; transition: background .25s, color .25s, border-color .25s;
}
.buy span { line-height: 1; }
.buy-jd { background: #fff; color: #c81623; border-color: rgba(200,22,35,.28); }
.buy-jd:hover { background: #c81623; color: #fff; }
.buy-tm { background: #fff; color: #c4102f; border-color: rgba(196,16,47,.24); }
.buy-tm:hover { background: #c4102f; color: #fff; }
.jd-ico, .tm-ico { width: 14px; height: 14px; fill: currentColor; flex: none; }

/* 移动端 */
@media (max-width: 640px) {
  .works-head { padding-top: 72px; }
  .works-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 14px; }
  .work-buy { gap: 6px; }
  .buy { padding: 6px 11px; font-size: 11px; }
}