/* ==========================================================================
   Nova Kitchen — 设计系统
   深海军蓝 #0B2545 + 橙色 #F26A21，全站响应式
   ========================================================================== */

:root {
  --navy-900: #071a33;
  --navy-800: #0b2545;
  --navy-700: #12345f;
  --navy-600: #1c4478;
  --navy-100: #e7edf6;
  --navy-50: #f4f7fb;
  --accent: #f26a21;
  --accent-dark: #d4550f;
  --accent-soft: #fff1e8;
  --ink: #0e1726;
  --body: #46536a;
  --muted: #7b8698;
  --line: #e3e8ef;
  --white: #ffffff;
  --bg-soft: #f6f8fb;

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(11, 37, 69, 0.06), 0 2px 8px rgba(11, 37, 69, 0.04);
  --shadow: 0 8px 30px rgba(11, 37, 69, 0.09);
  --shadow-lg: 0 24px 60px rgba(11, 37, 69, 0.14);

  --container: 1200px;
  --header-h: 76px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-ar: 'Noto Kufi Arabic', 'Segoe UI', Tahoma, sans-serif;
}

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

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--body);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

[dir='rtl'] body { font-family: var(--font-ar); }

h1, h2, h3, h4, h5 {
  margin: 0 0 0.5em;
  color: var(--navy-800);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 1.6vw, 1.32rem); }

p { margin: 0 0 1em; }
a { color: var(--navy-700); text-decoration: none; transition: color 0.2s var(--ease); }
a:hover { color: var(--accent); }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: clamp(56px, 7vw, 104px) 0; }
.section--soft { background: var(--bg-soft); }
.section--navy { background: var(--navy-800); color: #cdd8e8; }
.section--navy h2, .section--navy h3 { color: #fff; }

.section-head { max-width: 720px; margin: 0 0 clamp(32px, 4vw, 56px); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head h2 { margin-bottom: 14px; }
.section-head p { color: var(--muted); font-size: 1.02rem; margin: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: '';
  width: 26px;
  height: 2px;
  background: var(--accent);
  display: block;
}
.section-head--center .eyebrow::before { display: none; }

/* ---------------------------------------------------------------- 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 26px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all 0.22s var(--ease);
  white-space: nowrap;
}
.btn--primary { background: var(--accent); color: #fff; box-shadow: 0 6px 18px rgba(242, 106, 33, 0.28); }
.btn--primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 10px 24px rgba(242, 106, 33, 0.34); }
.btn--navy { background: var(--navy-800); color: #fff; }
.btn--navy:hover { background: var(--navy-700); color: #fff; transform: translateY(-1px); }
.btn--ghost { border-color: rgba(255, 255, 255, 0.45); color: #fff; background: transparent; }
.btn--ghost:hover { background: rgba(255, 255, 255, 0.12); color: #fff; border-color: #fff; }
.btn--outline { border-color: var(--line); color: var(--navy-800); background: #fff; }
.btn--outline:hover { border-color: var(--navy-800); color: var(--navy-800); }
.btn--sm { padding: 9px 18px; font-size: 0.86rem; }
.btn--lg { padding: 16px 34px; font-size: 1rem; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.6; pointer-events: none; }

/* ---------------------------------------------------------------- 顶部条 */
.topbar {
  background: var(--navy-900);
  color: #a9bcd6;
  font-size: 0.8rem;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 40px;
  flex-wrap: wrap;
}
.topbar-list { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.topbar-list a { color: #a9bcd6; display: inline-flex; align-items: center; gap: 7px; }
.topbar-list a:hover { color: #fff; }

/* ---------------------------------------------------------------- 页头 */
.header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.25s var(--ease);
}
.header.is-stuck { box-shadow: 0 6px 24px rgba(11, 37, 69, 0.08); }
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--header-h);
}

.logo { display: inline-flex; align-items: center; gap: 11px; color: var(--navy-800); font-weight: 800; letter-spacing: -0.02em; }
.logo:hover { color: var(--navy-800); }
.logo-mark {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
  color: #fff;
  display: grid; place-items: center;
  font-size: 1.05rem;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.18);
}
.logo-mark i { color: var(--accent); }
.logo-text { font-size: 1.16rem; line-height: 1.1; }
.logo-text small { display: block; font-size: 0.62rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }

.nav { display: flex; align-items: center; gap: 28px; }
.nav-list { display: flex; align-items: center; gap: 26px; }
.nav-link {
  position: relative;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--navy-800);
  padding: 6px 0;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}
.nav-link:hover::after, .nav-link.is-active::after { transform: scaleX(1); }
.nav-link.is-active { color: var(--accent); }

.header-actions { display: flex; align-items: center; gap: 14px; }

/* 语言切换 */
.lang { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 7px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--navy-800);
  cursor: pointer;
  transition: all 0.2s var(--ease);
}
.lang-btn:hover { border-color: var(--navy-600); }
.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  inset-inline-end: 0;
  min-width: 168px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: all 0.2s var(--ease);
  z-index: 100;
}
.lang.is-open .lang-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-menu button {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%;
  padding: 9px 12px;
  border: 0; background: transparent;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--body);
  cursor: pointer;
  text-align: start;
}
.lang-menu button:hover { background: var(--navy-50); color: var(--navy-800); }
.lang-menu button.is-active { color: var(--accent); font-weight: 700; }

/* 汉堡菜单 */
.hamburger {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  cursor: pointer;
  padding: 0;
  place-items: center;
}
.hamburger span { display: block; width: 20px; height: 2px; background: var(--navy-800); margin: 4px auto; transition: 0.25s; }
.hamburger.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------------------------------------------------------------- Hero 轮播 */
.hero { position: relative; background: var(--navy-900); overflow: hidden; }
.hero-slides { position: relative; min-height: clamp(520px, 76vh, 720px); }
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.9s var(--ease);
  display: flex;
  align-items: center;
}
.hero-slide.is-active { opacity: 1; }
.hero-slide img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  transition: transform 7s linear;
}
.hero-slide.is-active img { transform: scale(1); }
.hero-slide::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(7, 26, 51, 0.94) 0%, rgba(7, 26, 51, 0.82) 42%, rgba(7, 26, 51, 0.45) 72%, rgba(7, 26, 51, 0.3) 100%);
}
.hero-inner { position: relative; z-index: 2; max-width: 660px; color: #fff; padding: 60px 0; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(242, 106, 33, 0.16);
  border: 1px solid rgba(242, 106, 33, 0.45);
  color: #ffc19c;
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.hero h1 { color: #fff; margin-bottom: 20px; text-wrap: balance; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-sub { color: #c9d6e8; font-size: clamp(1rem, 1.3vw, 1.12rem); max-width: 560px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 42px; }

.hero-metrics { display: flex; gap: clamp(20px, 4vw, 46px); flex-wrap: wrap; }
.hero-metrics div { min-width: 92px; }
.hero-metrics strong { display: block; font-size: 1.6rem; font-weight: 800; color: #fff; letter-spacing: -0.02em; }
.hero-metrics span { font-size: 0.78rem; color: #93a9c6; letter-spacing: 0.03em; }

.hero-nav {
  position: absolute;
  inset-inline-end: 32px;
  bottom: 32px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-nav button {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  cursor: pointer;
  display: grid; place-items: center;
  transition: all 0.2s var(--ease);
  backdrop-filter: blur(6px);
}
.hero-nav button:hover { background: var(--accent); border-color: var(--accent); }
.hero-dots { display: flex; gap: 8px; margin-inline-end: 12px; }
.hero-dots button {
  width: 26px; height: 3px; border-radius: 2px; border: 0; padding: 0;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer; transition: all 0.25s var(--ease);
}
.hero-dots button.is-active { background: var(--accent); width: 42px; }

/* ---------------------------------------------------------------- 认证条 */
.trust-strip { background: var(--white); border-bottom: 1px solid var(--line); }
.trust-strip .container {
  display: flex; align-items: center; gap: 16px 40px;
  padding: 22px 24px;
  flex-wrap: wrap;
  justify-content: center;
}
.trust-strip .label { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.trust-items { display: flex; align-items: center; gap: 12px 34px; flex-wrap: wrap; justify-content: center; }
.trust-items span {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.92rem; font-weight: 700; color: var(--navy-700);
}
.trust-items i { color: var(--accent); font-size: 0.95rem; }

/* ---------------------------------------------------------------- 优势卡 */
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.feature {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all 0.28s var(--ease);
  overflow: hidden;
}
.feature::after {
  content: '';
  position: absolute; inset-inline-start: 0; top: 0;
  width: 3px; height: 0;
  background: var(--accent);
  transition: height 0.3s var(--ease);
}
.feature:hover { border-color: transparent; box-shadow: var(--shadow); transform: translateY(-3px); }
.feature:hover::after { height: 100%; }
.feature-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: var(--navy-50);
  color: var(--navy-700);
  font-size: 1.2rem;
  margin-bottom: 20px;
  transition: all 0.28s var(--ease);
}
.feature:hover .feature-icon { background: var(--accent); color: #fff; }
.feature h3 { margin-bottom: 10px; font-size: 1.08rem; }
.feature p { margin: 0; font-size: 0.94rem; color: var(--body); }

/* ---------------------------------------------------------------- 产品卡 */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.28s var(--ease);
}
.product-card:hover { border-color: transparent; box-shadow: var(--shadow); transform: translateY(-4px); }
.product-media {
  position: relative;
  aspect-ratio: 4 / 3.4;
  background: var(--bg-soft);
  overflow: hidden;
}
.product-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.product-card:hover .product-media img { transform: scale(1.05); }
.product-tag {
  position: absolute;
  top: 12px;
  inset-inline-start: 12px;
  background: rgba(11, 37, 69, 0.9);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 4px;
  backdrop-filter: blur(4px);
}
.product-tag--accent { background: var(--accent); }
.product-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.product-cat { font-size: 0.74rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 7px; }
.product-body h3 { font-size: 1.02rem; margin-bottom: 6px; }
.product-sku { font-size: 0.76rem; color: var(--muted); letter-spacing: 0.04em; margin-bottom: 10px; }
.product-desc { font-size: 0.88rem; color: var(--body); margin: 0 0 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-specs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.product-specs span {
  font-size: 0.74rem;
  color: var(--navy-700);
  background: var(--navy-50);
  border-radius: 4px;
  padding: 4px 8px;
}
.product-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.product-more { font-size: 0.84rem; font-weight: 600; color: var(--navy-700); display: inline-flex; align-items: center; gap: 6px; }
.product-more:hover { color: var(--accent); }

/* 筛选 */
.filter-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--body);
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s var(--ease);
}
.chip:hover { border-color: var(--navy-600); color: var(--navy-800); }
.chip.is-active { background: var(--navy-800); border-color: var(--navy-800); color: #fff; }
.search-box { position: relative; min-width: 240px; }
.search-box input {
  width: 100%;
  padding: 11px 16px 11px 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--ink);
  background: #fff;
}
[dir='rtl'] .search-box input { padding: 11px 42px 11px 16px; }
.search-box input:focus { outline: none; border-color: var(--navy-600); box-shadow: 0 0 0 3px rgba(28, 68, 120, 0.1); }
.search-box i { position: absolute; inset-inline-start: 15px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 0.86rem; }
.result-count { font-size: 0.86rem; color: var(--muted); }
.empty-state { text-align: center; padding: 70px 20px; color: var(--muted); }
.empty-state i { font-size: 2rem; color: var(--line); display: block; margin-bottom: 14px; }

/* ---------------------------------------------------------------- 双栏内容 */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.split--reverse .split-media { order: 2; }
.split-media { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.split-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3.1; }
.split-badge {
  position: absolute;
  inset-inline-start: 20px;
  bottom: 20px;
  background: rgba(255, 255, 255, 0.96);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex; align-items: center; gap: 12px;
  box-shadow: var(--shadow-sm);
}
.split-badge strong { display: block; font-size: 1.24rem; color: var(--navy-800); line-height: 1.1; }
.split-badge span { font-size: 0.76rem; color: var(--muted); }

.check-list { display: grid; gap: 12px; margin: 24px 0 30px; }
.check-list li { display: flex; gap: 11px; font-size: 0.95rem; color: var(--body); }
.check-list i { color: var(--accent); margin-top: 4px; font-size: 0.9rem; }
.check-list strong { color: var(--navy-800); }

.stat-row { display: flex; gap: clamp(20px, 4vw, 48px); flex-wrap: wrap; margin-top: 28px; padding-top: 26px; border-top: 1px solid var(--line); }
.stat-row div strong { display: block; font-size: 1.7rem; font-weight: 800; color: var(--navy-800); letter-spacing: -0.02em; }
.stat-row div span { font-size: 0.8rem; color: var(--muted); }

/* ---------------------------------------------------------------- 客户见证 */
.quote-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
  transition: all 0.28s var(--ease);
}
.quote-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.stars { color: var(--accent); font-size: 0.82rem; letter-spacing: 0.18em; margin-bottom: 14px; }
.quote-card blockquote { margin: 0 0 22px; font-size: 0.95rem; color: var(--body); line-height: 1.72; }
.quote-person { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.quote-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--navy-50); color: var(--navy-700);
  display: grid; place-items: center; font-weight: 700; font-size: 0.92rem;
}
.quote-person strong { display: block; font-size: 0.9rem; color: var(--navy-800); }
.quote-person span { font-size: 0.78rem; color: var(--muted); }

/* ---------------------------------------------------------------- CTA 带 */
.cta-band {
  position: relative;
  background: linear-gradient(115deg, var(--navy-900), var(--navy-700));
  color: #fff;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  width: 460px; height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 106, 33, 0.22), transparent 68%);
  top: -180px; inset-inline-end: -80px;
}
.cta-band .container { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 32px; padding-block: clamp(40px, 5vw, 64px); flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { margin: 0; color: #b9c9de; }

/* ---------------------------------------------------------------- 表单 */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field--full { grid-column: 1 / -1; }
.form-field label { font-size: 0.82rem; font-weight: 600; color: var(--navy-800); }
.form-field label .req { color: var(--accent); }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--ink);
  background: #fff;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.form-field textarea { resize: vertical; min-height: 118px; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--navy-600);
  box-shadow: 0 0 0 3px rgba(28, 68, 120, 0.1);
}
.form-hint { font-size: 0.76rem; color: var(--muted); }
.form-note { font-size: 0.78rem; color: var(--muted); margin: 12px 0 0; display: flex; gap: 7px; align-items: flex-start; }
.form-note i { color: var(--navy-600); margin-top: 3px; }
.form-status { margin-top: 14px; font-size: 0.88rem; border-radius: var(--radius-sm); padding: 11px 14px; display: none; }
.form-status.is-ok { display: block; background: #e9f7ef; color: #1c6b40; border: 1px solid #bfe6cf; }
.form-status.is-err { display: block; background: #fdecec; color: #a12727; border: 1px solid #f6cfcf; }

.quote-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 38px);
  box-shadow: var(--shadow);
}
.fieldset-legend { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin: 4px 0 14px; }

/* ---------------------------------------------------------------- 关于页 */
.timeline { position: relative; padding-inline-start: 28px; }
.timeline::before { content: ''; position: absolute; inset-inline-start: 5px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.timeline-item { position: relative; padding-bottom: 30px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ''; position: absolute; inset-inline-start: -28px; top: 6px;
  width: 12px; height: 12px; border-radius: 50%;
  background: #fff; border: 3px solid var(--accent);
}
.timeline-item h3 { font-size: 1rem; margin-bottom: 4px; }
.timeline-item .year { font-size: 0.78rem; font-weight: 700; color: var(--accent); letter-spacing: 0.08em; }
.timeline-item p { font-size: 0.9rem; margin: 6px 0 0; }

.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.gallery-grid figure { margin: 0; border-radius: var(--radius); overflow: hidden; background: var(--bg-soft); }
.gallery-grid img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; transition: transform 0.5s var(--ease); }
.gallery-grid figure:hover img { transform: scale(1.05); }
.gallery-grid figcaption { padding: 11px 14px; font-size: 0.8rem; color: var(--muted); }

.steps { counter-reset: step; display: grid; gap: 20px; }
.step { display: grid; grid-template-columns: 48px 1fr; gap: 18px; align-items: start; }
.step-num {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--navy-50); color: var(--navy-700);
  display: grid; place-items: center; font-weight: 800;
  counter-increment: step;
}
.step-num::before { content: counter(step, decimal-leading-zero); }
.step h3 { font-size: 1rem; margin-bottom: 5px; }
.step p { font-size: 0.9rem; margin: 0; }

.cert-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.cert-item {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 12px; text-align: center; background: #fff;
  transition: all 0.24s var(--ease);
}
.cert-item:hover { border-color: var(--navy-600); box-shadow: var(--shadow-sm); }
.cert-item i { font-size: 1.35rem; color: var(--accent); display: block; margin-bottom: 9px; }
.cert-item strong { display: block; font-size: 0.9rem; color: var(--navy-800); }
.cert-item span { font-size: 0.72rem; color: var(--muted); }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table.spec { width: 100%; border-collapse: collapse; font-size: 0.9rem; min-width: 520px; }
table.spec th, table.spec td { padding: 14px 16px; text-align: start; border-bottom: 1px solid var(--line); }
table.spec th { background: var(--navy-50); font-weight: 600; color: var(--navy-800); font-size: 0.84rem; }
table.spec tr:last-child td { border-bottom: 0; }

/* ---------------------------------------------------------------- 联系页 */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(28px, 4vw, 56px); align-items: start; }
.contact-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.contact-item { display: flex; gap: 14px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.contact-item:last-of-type { border-bottom: 0; }
.contact-item i { color: var(--accent); width: 20px; margin-top: 3px; }
.contact-item strong { display: block; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 3px; }
.contact-item a, .contact-item p { margin: 0; font-size: 0.94rem; color: var(--navy-800); word-break: break-word; }
.map-wrap { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); height: 320px; background: var(--bg-soft); }
.map-wrap iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------------------------------------------------------------- 页脚 */
.footer { background: var(--navy-900); color: #93a9c6; padding: clamp(48px, 6vw, 76px) 0 0; }
.footer h4 { color: #fff; font-size: 0.88rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 18px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.72; margin: 18px 0 0; max-width: 320px; }
.footer .logo { color: #fff; }
.footer .logo-text small { color: #6d84a2; }
.footer-links li { margin-bottom: 11px; }
.footer-links a { color: #93a9c6; font-size: 0.9rem; }
.footer-links a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; font-size: 0.9rem; margin-bottom: 13px; }
.footer-contact i { color: var(--accent); margin-top: 4px; width: 16px; }
.footer-contact a { color: #93a9c6; }
.footer-contact a:hover { color: #fff; }
.social-row { display: flex; gap: 10px; margin-top: 20px; }
.social-row a {
  width: 36px; height: 36px; border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  display: grid; place-items: center; color: #93a9c6;
  transition: all 0.2s var(--ease);
}
.social-row a:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.footer-bottom {
  margin-top: 46px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  padding: 22px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap;
  font-size: 0.82rem;
}
.footer-bottom p { margin: 0; }
.footer-bottom a { color: #93a9c6; }

/* ---------------------------------------------------------------- 浮动组件 */
.float-actions { position: fixed; inset-inline-end: 22px; bottom: 22px; z-index: 70; display: flex; flex-direction: column; gap: 10px; }
.fab {
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 0;
  display: grid; place-items: center;
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 10px 26px rgba(11, 37, 69, 0.24);
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}
.fab:hover { transform: translateY(-3px); color: #fff; }
.fab--wa { background: #25d366; }
.fab--chat { background: var(--navy-800); }
.fab--top { background: #fff; color: var(--navy-800); border: 1px solid var(--line); opacity: 0; pointer-events: none; }
.fab--top.is-visible { opacity: 1; pointer-events: auto; }

/* 在线聊天面板 */
.chat-panel {
  position: fixed;
  inset-inline-end: 22px;
  bottom: 86px;
  width: 330px;
  max-width: calc(100vw - 44px);
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  z-index: 80;
  display: none;
  border: 1px solid var(--line);
}
.chat-panel.is-open { display: block; animation: pop 0.22s var(--ease); }
@keyframes pop { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.chat-head { background: var(--navy-800); color: #fff; padding: 18px 20px; }
.chat-head strong { display: block; font-size: 0.96rem; }
.chat-head span { font-size: 0.78rem; color: #9fb4cf; display: inline-flex; align-items: center; gap: 6px; margin-top: 4px; }
.dot-live { width: 7px; height: 7px; border-radius: 50%; background: #25d366; display: inline-block; }
.chat-body { padding: 18px 20px; }
.chat-bubble { background: var(--bg-soft); border-radius: 12px; padding: 12px 14px; font-size: 0.86rem; color: var(--body); margin-bottom: 14px; }
.chat-actions { display: grid; gap: 8px; }
.chat-actions a {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); font-size: 0.88rem; font-weight: 600; color: var(--navy-800);
}
.chat-actions a:hover { border-color: var(--navy-600); background: var(--navy-50); }
.chat-actions i { color: var(--accent); }

/* Cookie */
.cookie-bar {
  position: fixed;
  inset-inline: 16px;
  bottom: 16px;
  z-index: 95;
  background: rgba(11, 37, 69, 0.98);
  color: #cdd8e8;
  border-radius: var(--radius);
  padding: 16px 20px;
  display: none;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-lg);
  max-width: 980px;
  margin: 0 auto;
}
.cookie-bar.is-visible { display: flex; }
.cookie-bar p { margin: 0; font-size: 0.84rem; flex: 1; min-width: 220px; }
.cookie-bar a { color: #ffb98f; text-decoration: underline; }
.cookie-actions { display: flex; gap: 10px; }

/* 面包屑 */
.crumbs { font-size: 0.82rem; color: var(--muted); padding: 18px 0; display: flex; gap: 8px; flex-wrap: wrap; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--accent); }

/* 产品详情 */
.pd-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4vw, 60px); align-items: start; }
.pd-media { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: var(--bg-soft); }
.pd-media img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.pd-thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.pd-thumbs img { width: 76px; height: 76px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); cursor: pointer; }
.pd-thumbs img.is-active { border-color: var(--accent); }
.pd-title { margin-bottom: 8px; }
.pd-sku { font-size: 0.82rem; color: var(--muted); letter-spacing: 0.06em; margin-bottom: 16px; }
.pd-desc { font-size: 0.96rem; line-height: 1.78; }
.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0; }

/* ---------------------------------------------------------------- 响应式 */
@media (max-width: 1080px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  :root { --header-h: 66px; }
  .hamburger { display: grid; }
  .nav {
    position: fixed;
    inset: calc(var(--header-h) + 0px) 0 auto 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 26px;
    gap: 6px;
    transform: translateY(-130%);
    transition: transform 0.3s var(--ease);
    box-shadow: var(--shadow);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .nav.is-open { transform: translateY(0); }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-link { display: block; padding: 13px 0; border-bottom: 1px solid var(--line); }
  .nav-link::after { display: none; }
  .nav .btn { margin-top: 14px; width: 100%; }
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .split, .split--reverse .split-media, .contact-grid, .pd-grid { grid-template-columns: 1fr; }
  .split--reverse .split-media { order: 0; }
  .hero-slides { min-height: 78vh; }
  .hero-inner { padding: 48px 0; }
  .section { padding: 56px 0; }
  .trust-strip .container { padding: 16px 24px; }
}

@media (max-width: 720px) {
  .container { padding: 0 18px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .grid--4, .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-metrics strong { font-size: 1.3rem; }
  .hero-actions .btn { flex: 1; }
  .hero-nav { inset-inline-end: 18px; bottom: 18px; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .search-box { min-width: 0; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .float-actions { inset-inline-end: 14px; bottom: 14px; }
  .fab { width: 46px; height: 46px; font-size: 1.05rem; }
  .cookie-bar { inset-inline: 10px; bottom: 10px; padding: 14px; }
  .topbar-list li:nth-child(2) { display: none; }
}

@media (max-width: 460px) {
  .product-grid { grid-template-columns: 1fr; }
  .trust-items { gap: 10px 18px; }
  .hero-badge { font-size: 0.7rem; }
  .btn { padding: 12px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
  html { scroll-behavior: auto; }
}

/* 打印 */
@media print {
  .header, .topbar, .footer, .float-actions, .cookie-bar, .hero-nav { display: none !important; }
}

/* ===== KOCOC 手写体 Logo（2026-11） ===== */
.logo-mark { display: none; }
.logo-text {
  display: inline-block;
  width: 122px;
  height: 34px;
  background: url(/assets/img/logo-dark.png) no-repeat left center / auto 32px;
  text-indent: -9999px;
  overflow: hidden;
  white-space: nowrap;
}
.logo-text small { display: none; }
.footer .logo-text { background-image: url(/assets/img/logo-light.png); }