/* ===================================================================
   茗古世家桑葚原浆酒 官网统一样式 · 高端清爽版
   配色：桑葚紫（克制点缀） + 暖金 + 大量留白
   =================================================================== */

:root {
  --color-bg: #faf7f4;              /* 暖米白底 */
  --color-bg-elevated: #ffffff;
  --color-bg-muted: #f3eef0;        /* 极浅紫灰 */
  --color-bg-warm: #f7f1ea;
  --color-text: #2a2127;
  --color-text-secondary: #4a3d44;
  --color-muted: #8a7d84;
  --color-border: #ece4e7;
  --color-border-light: #f4eef1;
  --color-accent: #a98558;          /* 暖金（低饱和，高级） */
  --color-accent-dark: #8a6a42;
  --color-accent-soft: rgba(169, 133, 88, 0.1);
  --color-primary: #6e2b54;         /* 桑葚紫（柔和） */
  --color-primary-dark: #4f1d3c;
  --color-primary-soft: rgba(110, 43, 84, 0.05);
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 14px;
  --radius-full: 999px;
  --shadow-sm: 0 2px 12px rgba(110, 43, 84, 0.04);
  --shadow: 0 16px 48px rgba(110, 43, 84, 0.07);
  --max-width: 1180px;
  --font: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", "STSong", serif;
  --transition: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--color-text-secondary);
  line-height: 1.85;
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.01em;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent-dark); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary); }
.container { width: min(100% - 3rem, var(--max-width)); margin-inline: auto; }

/* ── 图片/灯箱 ── */
.media-figure { margin: 2.5rem 0; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border); background: var(--color-bg-elevated); box-shadow: var(--shadow-sm); position: relative; }
.media-figure img { width: 100%; }
.media-figure figcaption { padding: 0.85rem 1rem; font-size: 0.85rem; color: var(--color-muted); border-top: 1px solid var(--color-border-light); text-align: center; letter-spacing: 0.05em; }
.screenshot-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; margin: 2.5rem 0; }
.screenshot-item { margin: 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--color-border); background: var(--color-bg-elevated); box-shadow: var(--shadow-sm); position: relative; }
.screenshot-item img { width: 100%; }
.screenshot-item figcaption { padding: 0.7rem 0.9rem; font-size: 0.8125rem; color: var(--color-muted); border-top: 1px solid var(--color-border-light); line-height: 1.5; }
.screenshot-item img, .media-figure img { cursor: zoom-in; transition: opacity var(--transition), transform var(--transition); }
.screenshot-item:hover img, .media-figure:hover img { opacity: 0.94; }

.lightbox { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 1.5rem; background: rgba(42, 33, 39, 0.94); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.lightbox[hidden] { display: none; }
.lightbox__figure { margin: 0; max-width: min(96vw, 1400px); max-height: 92vh; display: flex; flex-direction: column; align-items: center; }
.lightbox__img { max-width: 100%; max-height: calc(92vh - 3rem); width: auto; height: auto; object-fit: contain; border-radius: var(--radius); box-shadow: 0 24px 80px rgba(0,0,0,.5); background: var(--color-bg-elevated); }
.lightbox__caption { margin: 0.85rem 0 0; max-width: 48rem; text-align: center; font-size: 0.875rem; color: rgba(255,255,255,.8); line-height: 1.6; }
.lightbox__close, .lightbox__nav { position: fixed; border: none; background: rgba(255,255,255,.1); color: #fff; cursor: pointer; transition: background var(--transition); font-family: var(--font); }
.lightbox__close:hover, .lightbox__nav:hover { background: rgba(255,255,255,.2); }
.lightbox__close { top: 1.25rem; right: 1.25rem; width: 2.5rem; height: 2.5rem; border-radius: var(--radius-full); font-size: 1.5rem; line-height: 1; }
.lightbox__nav { top: 50%; transform: translateY(-50%); width: 2.75rem; height: 2.75rem; border-radius: var(--radius-full); font-size: 1.75rem; line-height: 1; }
.lightbox__nav--prev { left: 1.25rem; }
.lightbox__nav--next { right: 1.25rem; }
.lightbox__nav[hidden], .lightbox__close[hidden] { display: none; }
body.lightbox-open { overflow: hidden; }

/* ── Header（通透、轻盈） ── */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(250, 247, 244, 0.82); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-bottom: 1px solid var(--color-border-light); overflow: visible; }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 1rem; }
.logo { display: flex; align-items: center; gap: 0.7rem; font-weight: 700; color: var(--color-primary); text-decoration: none; flex-shrink: 0; }
.logo:hover { color: var(--color-primary); }
/* 文字 logo 重塑为衬线高端字标 */
.logo-mark { display: grid; place-items: center; width: 40px; height: 40px; flex-shrink: 0; background: transparent; border: 1.5px solid var(--color-primary); color: var(--color-primary); border-radius: 50%; font-family: var(--font-serif); font-size: 19px; font-weight: 700; }
.logo-text { font-family: var(--font-serif); font-size: 1.35rem; letter-spacing: 0.18em; line-height: 1; font-weight: 700; padding-left: 0.1em; }
.logo-accent { color: var(--color-accent-dark); }

.site-nav > ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 0.15rem; }
.site-nav ul { list-style: none; margin: 0; padding: 0; }
.site-nav a { display: block; padding: 0.5rem 0.85rem; color: var(--color-text); font-size: 0.9rem; font-weight: 500; border-radius: var(--radius-sm); text-decoration: none; letter-spacing: 0.03em; transition: color var(--transition); position: relative; }
.site-nav > ul > li > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0.85rem; right: 0.85rem; bottom: 0.3rem; height: 1px; background: var(--color-primary); transform: scaleX(0); transform-origin: center; transition: transform var(--transition); }
.site-nav > ul > li > a:not(.nav-cta):hover::after, .site-nav > ul > li > a.active:not(.nav-cta)::after { transform: scaleX(1); }
.site-nav a:hover, .site-nav a.active { color: var(--color-primary); }
.nav-cta { background: var(--color-primary) !important; color: #fff !important; border-radius: var(--radius-full) !important; padding: 0.55rem 1.3rem !important; font-weight: 600 !important; letter-spacing: 0.05em; }
.nav-cta::after { display: none; }
.nav-cta:hover { background: var(--color-primary-dark) !important; color: #fff !important; }

.has-sub { position: relative; }
.has-sub:hover, .has-sub:focus-within { z-index: 20; }
.site-nav .sub-menu { display: none; position: absolute; top: calc(100% + 10px); left: 0; min-width: 210px; background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: var(--radius); box-shadow: var(--shadow); flex-direction: column; align-items: stretch; gap: 0; padding: 0.5rem; z-index: 30; }
.site-nav .sub-menu::before { content: ""; position: absolute; top: -0.6rem; left: 0; right: 0; height: 0.6rem; }
.has-sub:hover > .sub-menu, .has-sub:focus-within > .sub-menu, .has-sub.open > .sub-menu { display: flex; }
.site-nav .sub-menu li { display: block; width: 100%; }
.site-nav .sub-menu a { white-space: nowrap; border-radius: var(--radius-sm); font-size: 0.875rem; padding: 0.55rem 0.85rem; }
.site-nav .sub-menu a::after { display: none; }
.site-nav .sub-menu a:hover { background: var(--color-bg-muted); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span { display: block; width: 22px; height: 1.5px; background: var(--color-primary); border-radius: 1px; }

/* ── Hero（水墨国风背景图 + 浅遮罩，保证文字可读） ── */
.hero { padding: 6.5rem 0 5.5rem; position: relative; overflow: hidden;
  background-image: linear-gradient(rgba(250,247,244,0.72), rgba(250,247,244,0.80)), url("../images/hero-bg.jpg");
  background-size: cover; background-position: center; background-repeat: no-repeat;
}
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 50% 55% at center, rgba(250,247,244,0.55), transparent 70%); pointer-events: none; }
.hero::after { content: none; }
.hero-inner { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 3.5rem; }
.hero-content { max-width: 48rem; }
.hero-badge { display: inline-block; margin: 0 0 1.75rem; padding: 0.4rem 1.1rem; font-size: 0.8rem; font-weight: 500; color: var(--color-primary); background: transparent; border: 1px solid var(--color-primary-soft); border-color: rgba(110,43,84,.2); border-radius: var(--radius-full); letter-spacing: 0.1em; }
.hero h1 { font-family: var(--font-serif); font-size: clamp(2.1rem, 5vw, 3.5rem); line-height: 1.3; margin: 0 0 1.75rem; color: var(--color-primary); font-weight: 700; letter-spacing: 0.02em; }
.hero h1 .accent { color: var(--color-accent-dark); }
.hero-lead { font-size: 1.1rem; color: var(--color-muted); max-width: 40rem; margin: 0 auto 2.5rem; line-height: 2; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; width: 100%; max-width: 60rem; border-top: 1px solid var(--color-border); padding-top: 2.5rem; }
.hero-stats .num { font-family: var(--font-serif); font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 700; color: var(--color-primary); }
.hero-stats .lbl { font-size: 0.8125rem; color: var(--color-muted); margin-top: 0.4rem; letter-spacing: 0.05em; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.85rem 1.9rem; border-radius: var(--radius-full); font-weight: 600; font-size: 0.9375rem; text-decoration: none; transition: all var(--transition); border: 1px solid transparent; cursor: pointer; letter-spacing: 0.04em; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(110,43,84,.22); }
.btn-outline { border-color: var(--color-border); color: var(--color-primary); background: transparent; }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); background: transparent; }
.hero .btn-outline { background: transparent; color: var(--color-primary); border-color: rgba(110,43,84,.3); }
.hero .btn-outline:hover { background: var(--color-primary-soft); color: var(--color-primary); }

/* ── 信任条（极简横排） ── */
.trust-bar { background: var(--color-bg-elevated); border-top: 1px solid var(--color-border-light); border-bottom: 1px solid var(--color-border-light); }
.trust-bar .container { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 1.25rem; padding: 1.75rem 0; }
.trust-item { display: flex; align-items: center; gap: 0.6rem; font-weight: 500; color: var(--color-text); font-size: 0.9rem; letter-spacing: 0.03em; }
.trust-item .ico { font-size: 1.15rem; opacity: 0.85; }

/* ── Sections（大留白） ── */
.section { padding: 6.5rem 0; }
.section-alt { background: var(--color-bg-muted); }
.section-dark { background: var(--color-primary); color: #fff; }
.section-dark .section-header h2 { color: #fff; }
.section-dark .section-header p { color: rgba(255,255,255,.78); }
.section-dark .section-label { color: rgba(255,255,255,.6); }
.section-header { text-align: center; max-width: 38rem; margin: 0 auto 3.5rem; }
.section-label { display: inline-block; margin-bottom: 1rem; font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.28em; color: var(--color-accent-dark); }
.section-label::before, .section-label::after { content: "—"; opacity: 0.4; margin: 0 0.5em; }
.section-header h2 { font-family: var(--font-serif); font-size: clamp(1.7rem, 3vw, 2.4rem); margin: 0 0 1rem; color: var(--color-primary); font-weight: 700; letter-spacing: 0.03em; }
.section-header p { color: var(--color-muted); margin: 0; font-size: 1.05rem; line-height: 1.85; }

/* ── Pillar cards（描边卡，不填充） ── */
.pillar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.pillar-card { background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 2.5rem 2rem; text-align: left; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); }
.pillar-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: rgba(110,43,84,.2); }
.pillar-card h3 { margin: 0 0 0.85rem; font-family: var(--font-serif); font-size: 1.3rem; font-weight: 700; color: var(--color-primary); letter-spacing: 0.02em; }
.pillar-card p { margin: 0 0 1.75rem; color: var(--color-muted); font-size: 0.9375rem; line-height: 1.85; }
.pillar-icon { display: inline-flex; align-items: center; justify-content: center; width: 3.25rem; height: 3.25rem; margin-bottom: 1.5rem; border-radius: 50%; font-size: 1.5rem; background: transparent; border: 1px solid var(--color-border); color: var(--color-primary); }
.pillar-card .btn { width: 100%; }

/* ── Cards ── */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.5rem; }
.card { background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 1.75rem 1.85rem; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); display: flex; flex-direction: column; }
.section-alt .card { background: var(--color-bg-elevated); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(110,43,84,.18); }
.card h3 { margin: 0 0 0.6rem; font-family: var(--font-serif); font-size: 1.1rem; font-weight: 700; color: var(--color-primary); letter-spacing: 0.02em; }
.card p { margin: 0; color: var(--color-muted); font-size: 0.9375rem; line-height: 1.75; }
.card-link { display: inline-flex; align-items: center; margin-top: auto; padding-top: 1.1rem; font-weight: 600; font-size: 0.875rem; color: var(--color-primary); letter-spacing: 0.04em; }
.card-link:hover { color: var(--color-accent-dark); }
.card--media { padding: 0; overflow: hidden; }
.card--media .card-thumb { aspect-ratio: 4 / 3; background: var(--color-bg-muted); overflow: hidden; display: flex; align-items: center; justify-content: center; }
.card--media .card-thumb img { width: 100%; height: 100%; object-fit: contain; padding: 0.5rem; transition: transform 0.5s ease; }
.card--media:hover .card-thumb img { transform: scale(1.04); }
.card--media .card-inner { padding: 1.5rem 1.75rem 1.75rem; display: flex; flex-direction: column; flex: 1; }
.card--media .tag { margin-bottom: 0.6rem; }
.card .price { font-family: var(--font-serif); font-size: 1.3rem; font-weight: 700; color: var(--color-primary); margin: 0.4rem 0 0; }
.card .price small { font-size: 0.8rem; color: var(--color-muted); font-weight: 400; }

/* ── Compare 表格 ── */
.compare-wrap { overflow-x: auto; }
table.compare { width: 100%; border-collapse: collapse; background: var(--color-bg-elevated); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); min-width: 680px; border: 1px solid var(--color-border); }
table.compare th, table.compare td { padding: 1rem 1.1rem; text-align: center; border-bottom: 1px solid var(--color-border-light); font-size: 0.9375rem; }
table.compare thead th { background: var(--color-primary); color: #fff; font-weight: 600; letter-spacing: 0.05em; }
table.compare tbody th { background: var(--color-bg-muted); color: var(--color-primary); text-align: left; font-weight: 600; }
table.compare tbody tr:hover { background: var(--color-bg-warm); }
table.compare td .hi { color: var(--color-accent-dark); font-weight: 700; }

/* ── Compare grid ── */
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; max-width: 54rem; margin: 0 auto; }
.compare-box { padding: 2rem; border-radius: var(--radius-lg); border: 1px solid var(--color-border); background: var(--color-bg-elevated); }
.compare-box h3 { margin: 0 0 1.1rem; font-family: var(--font-serif); font-size: 1.1rem; font-weight: 700; color: var(--color-text); letter-spacing: 0.02em; }
.compare-box ul { margin: 0; padding-left: 1.2rem; color: var(--color-muted); font-size: 0.9375rem; }
.compare-box li { margin-bottom: 0.6rem; }
.compare-box.highlight { border-color: var(--color-primary); }
.compare-box.highlight h3 { color: var(--color-primary); }

/* ── Spec cards ── */
.spec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.spec-card { background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 1.85rem; }
.section-dark .spec-card { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.12); }
.spec-card h3 { font-family: var(--font-serif); font-size: 1.1rem; margin: 0 0 1.1rem; color: var(--color-primary); display: flex; align-items: center; gap: 0.5rem; letter-spacing: 0.02em; }
.section-dark .spec-card h3 { color: #fff; }
.spec-card dl { display: grid; grid-template-columns: auto 1fr; gap: 0.7rem 0.9rem; margin: 0; }
.spec-card dt { color: var(--color-muted); font-size: 0.875rem; }
.section-dark .spec-card dt { color: rgba(255,255,255,.7); }
.spec-card dd { text-align: right; font-weight: 600; font-size: 0.9375rem; margin: 0; color: var(--color-text); }
.section-dark .spec-card dd { color: #fff; }

/* ── FAQ ── */
.faq-list { max-width: 44rem; margin: 0 auto; display: flex; flex-direction: column; gap: 0; border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; background: var(--color-bg-elevated); }
.faq-item { padding: 1.6rem 1.85rem; border-bottom: 1px solid var(--color-border-light); transition: background var(--transition); }
.faq-item:last-child { border-bottom: none; }
.faq-item:hover { background: var(--color-bg-warm); }
.section-alt .faq-list { background: var(--color-bg-elevated); }
.faq-item h3 { margin: 0 0 0.6rem; font-size: 1.0625rem; font-weight: 700; color: var(--color-primary); font-family: var(--font-serif); letter-spacing: 0.01em; }
.faq-item p { margin: 0; color: var(--color-muted); font-size: 0.9375rem; line-height: 1.85; }

/* ── Page hero ── */
.page-hero { padding: 4.5rem 0 3.5rem; background: var(--color-bg-elevated); border-bottom: 1px solid var(--color-border-light); }
.page-hero h1 { margin: 0 0 1rem; font-family: var(--font-serif); font-size: clamp(1.85rem, 3.5vw, 2.6rem); font-weight: 700; color: var(--color-primary); letter-spacing: 0.03em; max-width: 44rem; }
.page-hero > .container > p:last-child, .page-hero p.hero-sub { margin: 0; font-size: 1.05rem; color: var(--color-muted); max-width: 44rem; line-height: 1.9; }
.breadcrumb { font-size: 0.8125rem; color: var(--color-muted); margin-bottom: 1.25rem; letter-spacing: 0.03em; }
.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.product-cta-bar { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; margin-top: 1.75rem; }

.page-content { padding: 3.5rem 0 6rem; }
.page-content h2 { margin: 3rem 0 1.1rem; font-family: var(--font-serif); font-size: 1.45rem; font-weight: 700; color: var(--color-primary); padding-left: 0.85rem; border-left: 2px solid var(--color-accent); letter-spacing: 0.02em; }
.page-content h2:first-child { margin-top: 0; }
.page-content h3 { font-size: 1.15rem; color: var(--color-primary); margin: 2rem 0 0.7rem; font-family: var(--font-serif); }
.page-content p { margin: 0 0 1.1rem; color: var(--color-text-secondary); max-width: 46rem; }
.page-content ul, .page-content ol { margin: 0 0 1.1rem; padding-left: 1.4rem; color: var(--color-text-secondary); max-width: 46rem; }
.page-content li { margin-bottom: 0.6rem; }
.page-content strong { color: var(--color-accent-dark); }
.page-content table { width: 100%; border-collapse: collapse; margin: 1.75rem 0; font-size: 0.9375rem; }
.page-content th, .page-content td { border: 1px solid var(--color-border); padding: 0.85rem; text-align: center; }
.page-content th { background: var(--color-primary); color: #fff; font-weight: 600; }
.page-content tbody th { background: var(--color-bg-muted); color: var(--color-primary); }

.lead-box { font-size: 1.05rem; color: var(--color-text); background: transparent; border-left: 2px solid var(--color-accent); padding: 0.5rem 0 0.5rem 1.4rem; border-radius: 0; margin: 0 0 2rem; max-width: 46rem; line-height: 1.9; }
.tip { background: var(--color-bg-warm); border: 1px solid var(--color-border); border-left: 2px solid var(--color-accent); border-radius: var(--radius); padding: 1.1rem 1.4rem; margin: 1.75rem 0; font-size: 0.9375rem; max-width: 46rem; }

/* ── Stats ── */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1.25rem; margin: 2rem 0; }
.stat { text-align: center; padding: 1.75rem 1rem; background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
.stat strong { display: block; font-family: var(--font-serif); font-size: 1.6rem; font-weight: 700; color: var(--color-primary); margin-bottom: 0.3rem; }
.stat span { font-size: 0.8125rem; color: var(--color-muted); letter-spacing: 0.03em; }

/* ── Tags ── */
.tag { display: inline-block; padding: 0.25rem 0.7rem; background: transparent; color: var(--color-accent-dark); border: 1px solid var(--color-border); border-radius: var(--radius-full); font-size: 0.72rem; font-weight: 600; margin-bottom: 0.7rem; letter-spacing: 0.08em; }

/* ── CTA 块 ── */
.cta-box { background: var(--color-primary); color: #fff; border-radius: var(--radius-lg); padding: 2.75rem; text-align: center; margin: 3rem 0; max-width: 46rem; }
.cta-box h3 { color: #fff; font-family: var(--font-serif); font-size: 1.45rem; margin: 0 0 0.75rem; letter-spacing: 0.02em; }
.cta-box p { color: rgba(255,255,255,.82); margin: 0 0 1.5rem; max-width: none; }
.cta-box .btn-primary { background: #fff; color: var(--color-primary); }
.cta-box .btn-primary:hover { background: var(--color-bg-warm); color: var(--color-primary); }

/* ── Related ── */
.related-links { margin-top: 3rem; padding: 1.75rem 2rem; background: var(--color-bg-muted); border: 1px solid var(--color-border-light); border-radius: var(--radius-lg); max-width: 46rem; }
.related-links h2 { margin: 0 0 0.85rem; font-size: 1.05rem; font-weight: 700; color: var(--color-primary); border: none; padding: 0; font-family: var(--font-serif); }
.related-links p { margin: 0; max-width: none; }

/* ── 产品图主图 ── */
.product-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: start; margin-bottom: 1rem; }
.product-gallery .main-img { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border); box-shadow: var(--shadow-sm); background: #fff; }
.product-gallery .main-img img { width: 100%; }

/* ── Contact ── */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
.contact-card { padding: 1.85rem 2rem; background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
.contact-card h2 { margin: 0 0 0.6rem; font-size: 1.1rem; font-weight: 700; color: var(--color-primary); border: none; padding: 0; font-family: var(--font-serif); }
.contact-card .badge { display: inline-block; background: transparent; color: var(--color-accent-dark); border: 1px solid var(--color-border); font-size: 0.75rem; padding: 0.25rem 0.8rem; border-radius: var(--radius-full); margin-bottom: 0.85rem; letter-spacing: 0.05em; }

/* ── Footer ── */
.site-footer { background: var(--color-primary-dark); color: rgba(255,255,255,.6); padding: 4rem 0 0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2.5rem; padding-bottom: 3rem; }
.footer-grid strong { display: block; color: #fff; margin-bottom: 0.85rem; font-size: 0.95rem; font-weight: 600; font-family: var(--font-serif); letter-spacing: 0.05em; }
.footer-grid p { margin: 0 0 0.6rem; font-size: 0.875rem; line-height: 1.8; color: rgba(255,255,255,.6); }
.footer-grid a { display: block; color: rgba(255,255,255,.6); margin-bottom: 0.6rem; font-size: 0.875rem; }
.footer-grid a:hover { color: var(--color-accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 1.5rem 0; text-align: center; font-size: 0.8125rem; color: rgba(255,255,255,.4); line-height: 1.9; }
.footer-bottom a { color: rgba(255,255,255,.4); }
.footer-bottom a:hover { color: var(--color-accent); }

/* ── 悬浮 ── */
.float-tel { position: fixed; right: 24px; bottom: 28px; z-index: 90; background: var(--color-primary); color: #fff; padding: 0.85rem 1.5rem; border-radius: var(--radius-full); font-weight: 600; box-shadow: 0 10px 30px rgba(110,43,84,.3); display: flex; align-items: center; gap: 0.5rem; letter-spacing: 0.04em; transition: all var(--transition); }
.float-tel:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-2px); }

/* ── Mobile ── */
@media (max-width: 980px) {
  .pillar-grid, .spec-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .header-inner { position: relative; }
  .site-nav { display: none; position: absolute; top: 76px; left: 0; right: 0; background: var(--color-bg-elevated); border-bottom: 1px solid var(--color-border); padding: 0.75rem 1rem 1rem; box-shadow: var(--shadow); }
  .site-nav.open { display: block; }
  .site-nav > ul { flex-direction: column; align-items: stretch; }
  .site-nav > ul > li > a::after { display: none; }
  .site-nav .sub-menu { position: static; box-shadow: none; border: none; padding: 0 0 0 0.75rem !important; display: none; background: var(--color-bg-muted); margin-top: 0.25rem; border-radius: var(--radius-sm); }
  .site-nav .sub-menu::before { display: none; }
  .has-sub.open > .sub-menu { display: flex; }
  .product-gallery { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 4rem 0; }
  .hero { padding: 4rem 0 3.5rem; }
  .pillar-grid, .spec-grid, .compare-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .trust-bar .container { gap: 1rem; }
  .trust-item { font-size: 0.8125rem; }
  .logo-text { font-size: 1.15rem; letter-spacing: 0.12em; }
}

/* ===================================================================
   精品级细节优化（v2）— 仅样式，不改结构
   =================================================================== */

/* ── 滚动渐入（仅当 JS 加 .reveal-on 时生效，无JS则全部正常显示） ── */
.reveal-on .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s cubic-bezier(.22,.61,.36,1), transform 0.7s cubic-bezier(.22,.61,.36,1); will-change: opacity, transform; }
.reveal-on .reveal.is-visible { opacity: 1; transform: none; }

/* ── 字体层级精修：更大的对比、更松的呼吸 ── */
.hero h1 { font-weight: 600; line-height: 1.32; }
.section-header h2 { font-weight: 600; }
.page-hero h1 { font-weight: 600; }
.hero-lead { font-weight: 400; }

/* ── Hero 数据区：细竖线分隔 + 更克制 ── */
.hero-stats { gap: 0; }
.hero-stats > div { position: relative; padding: 0 1.25rem; }
.hero-stats > div + div::before { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 1px; height: 2.6rem; background: var(--color-border); }
.hero-stats .num { font-weight: 600; letter-spacing: 0.01em; }

/* ── 信任条：去 emoji，用品牌色小圆点做精致标识 ── */
.trust-item .ico { width: 5px; height: 5px; border-radius: 50%; background: var(--color-accent); opacity: 0.8; display: inline-block; font-size: 0; }

/* ── section-label：更精致的居中分隔线 ── */
.section-label { opacity: 0.9; }

/* ── 卡片图片：统一浅底，contain 居中完整展示产品 ── */
.card--media .card-thumb { background: linear-gradient(160deg, #faf6f8, #f3edf0); }

/* ── 正文首字下沉式引导（仅 lead-box 更精致） ── */
.lead-box { font-style: normal; color: var(--color-text); }

/* ── 链接箭头微交互 ── */
.card-link { transition: color var(--transition), gap var(--transition); gap: 0.2em; }
.card-link:hover { gap: 0.5em; }

/* ── 按钮更精致的边与字距 ── */
.btn { font-weight: 600; }

/* ── 页面头部标题左侧细饰线（内页 H1 前的精工细节） ── */
.page-hero h1 { position: relative; }

/* ── 滚动条美化（点睛，桌面端） ── */
@media (min-width: 980px) {
  html { scrollbar-width: thin; scrollbar-color: var(--color-border) transparent; }
}

/* ── 选中文字配色 ── */
::selection { background: rgba(110,43,84,.14); color: var(--color-primary-dark); }

/* ── 弱化动效以照顾偏好 ── */
@media (prefers-reduced-motion: reduce) {
  .reveal-on .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ── 深色区块内的描边按钮（购买CTA） ── */
.section-dark .btn-outline { color: #fff; border-color: rgba(255,255,255,.45); background: transparent; }
.section-dark .btn-outline:hover { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.7); }
.section-dark .btn-primary { background: #fff; color: var(--color-primary); }
.section-dark .btn-primary:hover { background: var(--color-bg-warm); color: var(--color-primary); }