/* ==========================================================================
   AOZAO 奥造 · 官网设计系统
   品牌色来自 Logo 原图取色：墨黑 #231917 / 品牌红 #E50014
   ========================================================================== */

/* ---------- 1. 变量 ---------- */
:root {
  --ink:        #231917;
  --ink-soft:   #3a2c28;
  --ink-tint:   #5b4b46;
  --red:        #e50014;
  --red-dark:   #bd0011;
  --paper:      #f7f5f3;
  --paper-2:    #efebe8;
  --white:      #ffffff;
  --muted:      #7d716c;
  --line:       rgba(35, 25, 23, .12);
  --line-soft:  rgba(35, 25, 23, .07);
  --line-dark:  rgba(255, 255, 255, .16);

  --font-sans: "MiSans", "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-num:  "SF Pro Display", "Helvetica Neue", Inter, system-ui, sans-serif;

  --wrap: 1200px;
  --radius: 18px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(35,25,23,.05), 0 8px 24px -12px rgba(35,25,23,.14);
  --shadow-md: 0 2px 4px rgba(35,25,23,.05), 0 24px 48px -24px rgba(35,25,23,.24);
  --ease: cubic-bezier(.22,.61,.36,1);
  --header-h: 72px;
  /* 公告条高度。默认 0 —— 没有公告条的页面完全不受影响；
     含 .notice-bar 的页面由下面的 html:has() 规则改成 40px。 */
  --notice-h: 0px;
}

/* 有公告条的页面：公告条 + 导航组成「固定顶栏」，内容整体让位。
   ⚠️ .site-header 是 position:fixed，公告条若留在普通流里会被它整个盖住（错位根因）。 */
html:has(.notice-bar) {
  --notice-h: 40px;
  scroll-padding-top: calc(var(--notice-h) + var(--header-h) + 20px);
}

/* ---------- 2. 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; border: 0; }
/* ⚠️ 必须有这条：上面的 img{display:block} 会盖掉浏览器默认的 [hidden]{display:none}，
   导致 hidden 属性彻底失效（二维码占位就踩过这个坑）。 */
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; line-height: 1.2; letter-spacing: -.02em; }
p  { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; border-radius: 4px; }

/* ---------- 3. 布局工具 ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 24px; }
.section { padding: 104px 0; }
.section--tight { padding: 72px 0; }
.section--paper { background: var(--paper); }
.section--white { background: var(--white); }
.section--dark {
  background: var(--ink);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.section--dark::before {
  content: "";
  position: absolute; inset: -20% -10% auto auto;
  width: 70%; height: 90%;
  background: radial-gradient(closest-side, rgba(229,0,20,.30), transparent 72%);
  pointer-events: none;
}
.section--dark > * { position: relative; z-index: 1; }

.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.grid--split { grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 64px; align-items: center; }
.grid--split-wide { grid-template-columns: minmax(0,1.05fr) minmax(0,1fr); gap: 72px; align-items: center; }

/* ---------- 4. 文字 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--red); margin-bottom: 18px;
}
.eyebrow::before {
  content: ""; width: 22px; height: 2px; background: var(--red); display: block;
  transform: skewX(-24deg);
}
.section--dark .eyebrow { color: #ff5a68; }
.section--dark .eyebrow::before { background: #ff5a68; }

.h1 { font-size: clamp(34px, 5.4vw, 66px); font-weight: 800; letter-spacing: -.03em; }
.h2 { font-size: clamp(26px, 3.4vw, 42px); font-weight: 800; letter-spacing: -.028em; }
.h3 { font-size: clamp(19px, 2vw, 24px); font-weight: 700; }
.h4 { font-size: 17px; font-weight: 700; }
.lead { font-size: clamp(16px, 1.5vw, 19px); line-height: 1.8; color: var(--ink-tint); }
.section--dark .lead { color: rgba(255,255,255,.74); }
.muted { color: var(--muted); }
.small { font-size: 14px; line-height: 1.7; }
.tiny { font-size: 12.5px; line-height: 1.6; }
.section-head { max-width: 760px; margin-bottom: 56px; }
.section-head--center { margin-inline: auto; text-align: center; }

/* 红色斜杠装饰（呼应 Logo 里 Z 的斜线） */
.slash {
  display: inline-block; width: .5em; height: .82em;
  background: var(--red); transform: skewX(-22deg) translateY(-.04em);
  margin: 0 .06em; border-radius: 1px;
}
.mark-red { color: var(--red); }

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  min-height: 48px; padding: 0 26px;
  border-radius: 999px; font-size: 15px; font-weight: 600; letter-spacing: .01em;
  transition: transform .2s var(--ease), background .2s var(--ease),
              color .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary { background: var(--red); color: #fff; box-shadow: 0 10px 24px -12px rgba(229,0,20,.75); }
.btn--primary:hover { background: var(--red-dark); }
.btn--ghost { border: 1px solid var(--line); color: var(--ink); background: rgba(255,255,255,.6); }
.btn--ghost:hover { border-color: var(--ink); }
.btn--light { border: 1px solid rgba(255,255,255,.34); color: #fff; }
.btn--light:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn--sm { min-height: 42px; padding: 0 20px; font-size: 14px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

/* ---------- 6. 头部导航 ---------- */
.site-header {
  position: fixed; top: var(--notice-h); right: 0; left: 0; z-index: 90;
  height: var(--header-h);
  display: flex; align-items: center;
  transition: background .3s var(--ease), box-shadow .3s var(--ease), backdrop-filter .3s;
  color: #fff;
}
.site-header .brand__logo--ink { display: none; }
.site-header .brand__logo--white { display: block; }
.site-header.is-solid {
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 var(--line-soft), 0 12px 28px -24px rgba(35,25,23,.4);
  color: var(--ink);
}
.site-header.is-solid .brand__logo--ink { display: block; }
.site-header.is-solid .brand__logo--white { display: none; }
.header-inner { display: flex; align-items: center; gap: 28px; width: 100%; }
.brand { display: flex; align-items: center; flex: none; }
.brand__logo { height: 26px; width: auto; }
.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav > a, .nav__trigger {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 9px 14px; border-radius: 999px;
  font-size: 15px; font-weight: 500; opacity: .82;
  transition: opacity .2s, background .2s, color .2s;
}
.nav > a:hover, .nav__trigger:hover { opacity: 1; background: rgba(128,128,128,.14); }
.nav > a[aria-current="page"] { opacity: 1; font-weight: 700; color: var(--red); }
.site-header:not(.is-solid) .nav > a[aria-current="page"] { color: #fff; }
.nav__item { position: relative; }
.nav__trigger svg { transition: transform .2s var(--ease); }
.nav__item:hover .nav__trigger svg { transform: rotate(180deg); }
.nav__drop {
  position: absolute; top: calc(100% + 8px); left: 50%; translate: -50% 0;
  min-width: 236px; padding: 8px;
  background: #fff; color: var(--ink);
  border: 1px solid var(--line-soft); border-radius: 14px;
  box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
}
.nav__item:hover .nav__drop, .nav__item:focus-within .nav__drop { opacity: 1; visibility: visible; transform: none; }
.nav__drop a { display: block; padding: 10px 12px; border-radius: 9px; font-size: 14.5px; }
.nav__drop a:hover { background: var(--paper); }
.nav__drop small { display: block; color: var(--muted); font-size: 12.5px; line-height: 1.5; }
.header-cta { flex: none; }
.nav-toggle {
  display: none; width: 44px; height: 44px; margin-left: auto;
  align-items: center; justify-content: center; border-radius: 12px;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 20px; height: 2px; background: currentColor;
  border-radius: 2px; transition: transform .25s var(--ease), opacity .2s;
  position: relative;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after  { position: absolute; top: 6px; }
body.nav-open .nav-toggle span { background: transparent; }
body.nav-open .nav-toggle span::before { transform: translateY(6px) rotate(45deg); }
body.nav-open .nav-toggle span::after  { transform: translateY(-6px) rotate(-45deg); }

.drawer {
  position: fixed; top: calc(var(--notice-h) + var(--header-h)); right: 0; bottom: 0; left: 0; z-index: 89;
  background: #fff; padding: 24px;
  overflow-y: auto; display: none;
}
body.nav-open .drawer { display: block; }
body.nav-open { overflow: hidden; }
.drawer a { display: block; padding: 15px 4px; font-size: 19px; font-weight: 600; border-bottom: 1px solid var(--line-soft); }
.drawer .drawer__sub { padding-left: 16px; font-size: 16px; font-weight: 500; color: var(--ink-tint); }
.drawer .btn { margin-top: 26px; width: 100%; }

/* ---------- 7. Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--ink); color: #fff;
  padding: calc(var(--header-h) + 74px) 0 88px;
}
.hero::before {
  content: ""; position: absolute; z-index: 0;
  top: -28%; right: -14%; width: 78%; height: 118%;
  background: radial-gradient(closest-side, rgba(229,0,20,.34), transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; z-index: 0; inset: auto 0 0 0; height: 40%;
  background: linear-gradient(to top, rgba(0,0,0,.35), transparent);
  pointer-events: none;
}
.hero > .wrap { position: relative; z-index: 1; }
.hero__grid { display: grid; grid-template-columns: minmax(0,1.04fr) minmax(0,.96fr); gap: 56px; align-items: center; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 15px 7px 11px; margin-bottom: 26px;
  border: 1px solid rgba(255,255,255,.2); border-radius: 999px;
  background: rgba(255,255,255,.06);
  font-size: 13px; letter-spacing: .04em; color: rgba(255,255,255,.86);
}
.hero__badge b { color: #fff; font-weight: 600; }
.hero h1 { color: #fff; }
.hero__sub { margin-top: 24px; max-width: 540px; font-size: clamp(16px,1.5vw,18.5px); line-height: 1.85; color: rgba(255,255,255,.72); }
.hero .btn-row { margin-top: 36px; }
.hero__stats {
  display: flex; flex-wrap: wrap; gap: 12px 40px;
  margin-top: 52px; padding-top: 30px; border-top: 1px solid var(--line-dark);
}
.hero__stat b { display: block; font-family: var(--font-num); font-size: 27px; font-weight: 700; letter-spacing: -.02em; }
.hero__stat b i { font-style: normal; font-size: .58em; font-weight: 600; margin-left: 2px; opacity: .75; }
.hero__stat span { font-size: 13.5px; color: rgba(255,255,255,.6); }
.hero__visual { position: relative; }
.hero__visual img { width: 100%; filter: drop-shadow(0 40px 60px rgba(0,0,0,.5)); }
.hero__visual::before {
  content: ""; position: absolute; inset: 12% 8%; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(229,0,20,.4), transparent 70%);
  filter: blur(18px); z-index: -1;
}
.hero__tag {
  position: absolute; z-index: 2; padding: 8px 14px; border-radius: 999px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(8px); font-size: 12.5px; letter-spacing: .04em; white-space: nowrap;
}
/* 全部收在容器内，避免贴到视口边缘被裁 */
.hero__tag--a { top: 6%;  left: 0; }
.hero__tag--b { bottom: 22%; right: 0; }
.hero__tag--c { bottom: 2%; left: 6%; }
.hero--compact { padding-bottom: 72px; }
.hero--compact .hero__grid { align-items: end; }
.crumb { font-size: 13.5px; color: rgba(255,255,255,.5); margin-bottom: 18px; letter-spacing: .02em; }
.crumb a:hover { color: #fff; }

/* ---------- 8. 卡片 ---------- */
.card {
  background: #fff; border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 32px; box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card--hover:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--line); }
.card--flat { box-shadow: none; }
.card--dark { background: rgba(255,255,255,.05); border-color: var(--line-dark); color: #fff; box-shadow: none; }
.card__icon {
  width: 46px; height: 46px; border-radius: 13px; margin-bottom: 20px;
  display: grid; place-items: center; background: var(--paper); color: var(--red);
}
.card--dark .card__icon { background: rgba(229,0,20,.16); color: #ff5a68; }
.card h3 + p, .card .h4 + p { margin-top: 12px; }
.card p { color: var(--ink-tint); }
.card--dark p { color: rgba(255,255,255,.68); }

/* 产品卡 */
.product-card { display: grid; grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr); overflow: hidden; padding: 0; }
.product-card__media {
  background: var(--paper); display: grid; place-items: center; padding: 34px; min-height: 300px;
}
.product-card__media img { max-height: 260px; width: auto; }
.product-card__body { padding: 40px 40px 40px 8px; display: flex; flex-direction: column; justify-content: center; }
.product-card__body .h3 { font-size: clamp(21px,2.2vw,27px); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; }
.tag {
  padding: 5px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 500;
  background: var(--paper-2); color: var(--ink-soft);
}
.tag--red { background: rgba(229,0,20,.1); color: var(--red); }
.card--dark .tag { background: rgba(255,255,255,.09); color: rgba(255,255,255,.82); }
.card--dark .tag--red { background: rgba(229,0,20,.2); color: #ff8a94; }

/* 统计块 */
.stat { padding: 30px 0; border-top: 2px solid var(--ink); }
.section--dark .stat { border-color: rgba(255,255,255,.22); }
.stat b {
  display: block; font-family: var(--font-num);
  font-size: clamp(30px,3.6vw,44px); font-weight: 700; letter-spacing: -.03em; line-height: 1.1;
}
.stat b i { font-style: normal; font-size: .5em; font-weight: 600; margin-left: 3px; color: var(--muted); }
.section--dark .stat b i { color: rgba(255,255,255,.55); }
.stat span { display: block; margin-top: 8px; font-size: 14px; color: var(--muted); }
.section--dark .stat span { color: rgba(255,255,255,.6); }

/* ---------- 9. 规格表 ---------- */
.spec-table { font-size: 15px; }
.spec-table caption {
  text-align: left; font-size: 13px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); padding-bottom: 14px;
}
.spec-table th, .spec-table td { padding: 15px 18px; text-align: left; vertical-align: top; }
.spec-table tr { border-bottom: 1px solid var(--line-soft); }
.spec-table tbody tr:first-child { border-top: 1px solid var(--line); }
.spec-table tbody th { width: 34%; font-weight: 600; color: var(--ink-tint); background: rgba(247,245,243,.6); }
.spec-table thead th { font-weight: 600; white-space: nowrap; }
.spec-table td { color: var(--ink); }
.spec-table td b { font-family: var(--font-num); font-size: 16.5px; }
.spec-table .note { display: block; font-size: 13px; color: var(--muted); margin-top: 4px; }

/* 「客服邮箱」「客服电话」「ICP 备案号」是 mailto: / tel: / 工信部 链接（见 site.js 的 fill()）。
   全局 a 是 color:inherit + text-decoration:none，那样完全看不出能点，
   所以这里加回下划线。用 currentColor 是为了浅色区和深色区都自适应。 */
[data-site="email"] a,
[data-site="phone"] a,
[data-site="icp"] a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: text-decoration-thickness .15s;
}
[data-site="email"] a:hover,
[data-site="phone"] a:hover,
[data-site="icp"] a:hover { text-decoration-thickness: 2px; }

/* 深色区块里的规格表：不覆盖字色的话会出现深字压深底（看不见） */
.spec-table--dark { color: #fff; }
.spec-table--dark caption { color: rgba(255,255,255,.5); }
.spec-table--dark td { color: #fff; }
.spec-table--dark tbody th { color: rgba(255,255,255,.62); background: rgba(255,255,255,.06); }
.spec-table--dark tr { border-bottom-color: var(--line-dark); }
.spec-table--dark tbody tr:first-child { border-top-color: var(--line-dark); }
.spec-table--dark .note { color: rgba(255,255,255,.5); }
.spec-table--dark .tbd { background: rgba(229,0,20,.3); color: #ff9aa3; border-color: rgba(255,120,132,.6); }

/* ---------- 10. 时间线 ---------- */
.timeline { position: relative; padding-left: 30px; }
.timeline::before {
  content: ""; position: absolute; left: 5px; top: 8px; bottom: 8px; width: 1px; background: var(--line);
}
.timeline li { position: relative; padding: 0 0 30px; }
.timeline li::before {
  content: ""; position: absolute; left: -30px; top: 9px;
  width: 11px; height: 11px; border-radius: 50%;
  background: #fff; border: 2px solid var(--line);
}
.timeline li.is-key::before { background: var(--red); border-color: var(--red); }
.timeline time { display: block; font-family: var(--font-num); font-size: 13.5px; font-weight: 600; color: var(--red); letter-spacing: .02em; }
.timeline .tl-title { font-weight: 600; margin-top: 3px; }
.timeline .tl-desc { font-size: 14px; color: var(--muted); margin-top: 3px; }

/* ---------- 11. 图集 ---------- */
.gallery { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.gallery__item {
  position: relative; border-radius: var(--radius-sm); overflow: hidden;
  background: var(--paper); border: 1px solid var(--line-soft); cursor: zoom-in;
  aspect-ratio: 1 / 1;
}
/* contain 而非 cover：这些图里带文字说明，裁切会切掉信息。
   源图统一为 800×800 方图，配 1:1 容器正好铺满，不裁切也不留边。 */
.gallery__item img {
  width: 100%; height: 100%; object-fit: contain;
  transition: transform .5s var(--ease);
}
.gallery__item:hover img { transform: scale(1.03); }
.gallery__cap {
  position: absolute; inset: auto 0 0 0; padding: 26px 16px 12px;
  font-size: 13px; color: #fff;
  background: linear-gradient(to top, rgba(0,0,0,.62), transparent);
}
.lightbox {
  position: fixed; inset: 0; z-index: 200; display: none;
  background: rgba(20,14,13,.94); padding: 40px 24px;
  align-items: center; justify-content: center;
}
.lightbox.is-open { display: flex; }
.lightbox img { max-width: min(1100px, 92vw); max-height: 84vh; width: auto; border-radius: 12px; }
.lightbox__close {
  position: absolute; top: 22px; right: 24px; width: 46px; height: 46px;
  border-radius: 50%; border: 1px solid rgba(255,255,255,.3); color: #fff;
  display: grid; place-items: center; font-size: 22px; line-height: 1;
}
.lightbox__close:hover { background: rgba(255,255,255,.12); }

/* ---------- 12. FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 24px 46px 24px 0;
  position: relative; font-size: 17px; font-weight: 600;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 10px; top: 50%; margin-top: -1px;
  width: 13px; height: 13px;
  border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted);
  transform: translateY(-60%) rotate(45deg); transition: transform .28s var(--ease);
}
.faq details[open] summary::after { transform: translateY(-20%) rotate(-135deg); }
.faq .faq__body { padding: 0 60px 26px 0; color: var(--ink-tint); font-size: 15px; }
.faq .faq__body p + p { margin-top: 10px; }

/* ---------- 13. 提示条 ---------- */
.notice {
  display: flex; gap: 14px; padding: 18px 22px; border-radius: var(--radius-sm);
  background: rgba(229,0,20,.055); border: 1px solid rgba(229,0,20,.2);
  font-size: 14.5px; color: var(--ink-soft); line-height: 1.75;
}
.notice svg { flex: none; margin-top: 3px; color: var(--red); }
.notice b { color: var(--ink); }
.notice--plain { background: var(--paper); border-color: var(--line-soft); }
.notice--plain svg { color: var(--muted); }

/* 待补充标记（内容未定案的字段） */
.tbd {
  display: inline-block; padding: 1px 7px; border-radius: 5px;
  background: rgba(229,0,20,.09); color: var(--red);
  font-size: .88em; font-weight: 600; letter-spacing: .02em;
  border: 1px dashed rgba(229,0,20,.4);
}

/* ---------- 14. 页脚 ---------- */
.site-footer { background: var(--ink); color: rgba(255,255,255,.62); padding: 72px 0 32px; font-size: 14.5px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.site-footer .brand__logo { height: 24px; margin-bottom: 18px; }
.site-footer h4 { color: #fff; font-size: 14px; letter-spacing: .06em; margin-bottom: 16px; }
.site-footer li + li { margin-top: 9px; }
.site-footer a:hover { color: #fff; }
.footer-bottom {
  margin-top: 52px; padding-top: 24px; border-top: 1px solid var(--line-dark);
  display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between;
  font-size: 13px; color: rgba(255,255,255,.42);
}
.footer-bottom .placeholder { color: rgba(255,255,255,.55); }

/* ---------- 15. 滚动揭示 ----------
   只在 JS 可用时才隐藏：没有 JS（或爬虫）时内容照常可见，不会白屏。 */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }
.js .reveal[data-delay="1"] { transition-delay: .08s; }
.js .reveal[data-delay="2"] { transition-delay: .16s; }
.js .reveal[data-delay="3"] { transition-delay: .24s; }
.js .reveal[data-delay="4"] { transition-delay: .32s; }

/* ---------- 16. 响应式 ---------- */
@media (max-width: 1080px) {
  .nav, .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .grid--4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
}
@media (max-width: 900px) {
  .section { padding: 76px 0; }
  .section--tight { padding: 56px 0; }
  .grid--split, .grid--split-wide { grid-template-columns: minmax(0,1fr); gap: 40px; }
  .grid--3 { grid-template-columns: minmax(0,1fr); }
  .hero { padding: calc(var(--header-h) + 46px) 0 64px; }
  .hero__grid { grid-template-columns: minmax(0,1fr); gap: 40px; }
  .hero__visual { order: -1; max-width: 460px; }
  .hero__tag { display: none; }
  .product-card { grid-template-columns: minmax(0,1fr); }
  .product-card__body { padding: 0 28px 32px; }
  .gallery { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .section-head { margin-bottom: 40px; }
}
@media (max-width: 620px) {
  .wrap { padding-inline: 18px; }
  .grid--2, .grid--4 { grid-template-columns: minmax(0,1fr); }
  .card { padding: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .spec-table th, .spec-table td { padding: 13px 12px; }
  .spec-table th { width: 40%; }
  .hero__stats { gap: 18px 28px; }
  .gallery { grid-template-columns: minmax(0,1fr); }
  .btn { width: 100%; }
  .btn-row { gap: 10px; }
  .btn--inline { width: auto; }
}

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

/* ---------- 17. 打印 ---------- */
@media print {
  .site-header, .drawer, .lightbox, .btn { display: none !important; }
  .hero, .section--dark { background: #fff !important; color: #000 !important; }
  .hero h1, .section--dark .lead { color: #000 !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* ==========================================================================
   18. 单品旗舰模式（参考 Hollyland 猛玛官网版式）
   公告条 + 全屏产品主视觉：一个产品占满首屏
   ========================================================================== */

/* --- 顶部公告条 --- */
.notice-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 92;
  height: var(--notice-h);
  display: flex; align-items: center;
  background: var(--ink);
  color: #fff;
  font-size: 13px;
  line-height: 1.5;
}
.notice-bar .wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  width: 100%;
  text-align: center;
}
/* 固定顶栏脱离文档流，正文第一块要自己让出高度。
   用 padding-top 而不是 margin-top：主视觉的深色背景必须一直铺到页面顶部，
   否则透明导航底下会露出白底，白色 Logo 直接看不见（只剩红色 Z 的斜杠）。 */
html:has(.notice-bar) main > :first-child {
  padding-top: calc(var(--notice-h) + var(--header-h));
}
/* 让「被顶栏遮住的部分」不计入可视高度，观感与原来一致 */
html:has(.notice-bar) .phero {
  min-height: calc(86vh + var(--notice-h));
}
.notice-bar b { color: #fff; }
.notice-bar__tag {
  flex-shrink: 0;
  padding: 2px 8px;
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 4px;
  font-size: 11px;
  letter-spacing: .04em;
}
.notice-bar a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
  white-space: nowrap;
}

/* --- 全屏产品主视觉 --- */
.phero {
  position: relative;
  min-height: calc(86vh - var(--header-h));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 50% 0%, #3a2c28 0%, #231917 46%, #17110f 100%);
  color: #fff;
}
.phero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 42%;
  background: linear-gradient(to top, rgba(10,7,6,.92), transparent);
  pointer-events: none;
}
.phero__inner {
  position: relative;
  z-index: 2;
  padding: 44px 0 0;
}
.phero__slogan {
  font-size: 20px;
  font-weight: 500;
  letter-spacing: .02em;
  color: rgba(255,255,255,.9);
  margin-bottom: 14px;
}
.phero__name {
  font-size: clamp(48px, 8.6vw, 108px);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1;
  margin-bottom: 8px;
  background: linear-gradient(180deg, #fff 30%, rgba(255,255,255,.72) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.phero__name em {
  font-style: normal;
  color: var(--red);
  -webkit-text-fill-color: var(--red);
}
.phero__tagline {
  font-size: 16px;
  color: rgba(255,255,255,.72);
  max-width: 540px;
  margin: 0 auto 28px;
}
.phero__tagline b { color: #fff; font-weight: 500; }
.phero .btn-row { justify-content: center; }
.phero__shot {
  position: relative;
  z-index: 1;
  margin-top: -28px;
  display: flex;
  justify-content: center;
}
.phero__shot img {
  width: min(560px, 76vw);
  filter: drop-shadow(0 40px 80px rgba(0,0,0,.6));
  animation: pheroFloat 7s ease-in-out infinite;
}
@keyframes pheroFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}
.phero__chips {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 28px;
  padding: 28px 0 46px;
  font-size: 14px;
  color: rgba(255,255,255,.66);
}
.phero__chips b {
  color: #fff;
  font-weight: 500;
  font-size: 17px;
  font-family: var(--font-num);
}
.phero__scroll {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  z-index: 3;
  font-size: 12px;
  color: rgba(255,255,255,.4);
  letter-spacing: .08em;
}
@media (prefers-reduced-motion: reduce) {
  .phero__shot img { animation: none; }
}
@media (max-width: 800px) {
  .phero { min-height: auto; padding-bottom: 20px; }
  .phero__inner { padding-top: 48px; }
  .phero__slogan { font-size: 17px; }
  .phero__tagline { font-size: 15px; padding-inline: 8px; }
  .phero__shot img { width: 92vw; }
  .notice-bar .wrap { flex-wrap: wrap; gap: 6px 10px; }
}

/* ---------- 语言切换（中/英互跳）---------- */
.nav__lang {
  display: inline-flex; align-items: center;
  padding: 6px 11px; margin-left: 6px;
  border: 1px solid rgba(128,128,128,.45); border-radius: 999px;
  font-size: 13px; font-weight: 600; letter-spacing: .04em;
  opacity: .8; transition: opacity .2s, border-color .2s;
}
.nav__lang:hover { opacity: 1; border-color: rgba(128,128,128,.8); }
.drawer .nav__lang { border: 0; padding: 15px 4px; margin: 0; border-bottom: 1px solid var(--line-soft); border-radius: 0; font-size: 17px; opacity: 1; }