/* ==========================================================================
   敬和园艺 · 设计系统
   绿色系自然风格 / 响应式 / 无外部依赖
   ========================================================================== */

:root {
  /* 主色阶 */
  --g-900: #0F3524;
  --g-800: #17492F;
  --g-700: #1F6140;
  --g-600: #2A7C52;
  --g-500: #38986A;
  --g-400: #62B48B;
  --g-300: #97D0B2;
  --g-200: #C9E7D8;
  --g-100: #E8F4ED;
  --g-50:  #F5FAF7;

  /* 辅助色 */
  --amber:      #D98B2B;
  --amber-soft: #F6E7CF;
  --clay:       #B4552F;

  /* 中性色 */
  --ink:    #16231C;
  --body:   #41544A;
  --muted:  #7C8D84;
  --line:   #E2EAE4;
  --surface:#F6F9F6;
  --white:  #FFFFFF;

  /* 排版 */
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
          "Noto Sans CJK SC", sans-serif;
  --font-serif: "Songti SC", "SimSun", Georgia, serif;

  /* 尺度 */
  --maxw: 1200px;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(16, 45, 30, .06), 0 1px 3px rgba(16, 45, 30, .05);
  --shadow: 0 4px 20px rgba(16, 45, 30, .08);
  --shadow-lg: 0 12px 40px rgba(16, 45, 30, .12);
  --header-h: 68px;
}

/* --------------------------------------------------------------------------
   重置
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--body);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--g-600); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--g-800); }
h1, h2, h3, h4, h5 { margin: 0 0 .6em; color: var(--ink); font-weight: 700; line-height: 1.35; }
h1 { font-size: 30px; }
h2 { font-size: 24px; }
h3 { font-size: 19px; }
h4 { font-size: 17px; }
p { margin: 0 0 1.1em; }
ul, ol { margin: 0 0 1.1em; padding-left: 1.35em; }
li { margin: .3em 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }
table { border-collapse: collapse; width: 100%; }
button, input, textarea, select { font: inherit; color: inherit; }
::selection { background: var(--g-200); color: var(--g-900); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.section { padding: 64px 0; }
.section--tight { padding: 40px 0; }
.section--alt { background: var(--g-50); }
.section--surface { background: var(--surface); }
.muted { color: var(--muted); }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* --------------------------------------------------------------------------
   顶部工具条 + 主导航
   -------------------------------------------------------------------------- */
.topbar {
  background: var(--g-900);
  color: rgba(255,255,255,.78);
  font-size: 13px;
}
.topbar .container {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 36px; flex-wrap: wrap;
}
.topbar a { color: rgba(255,255,255,.78); }
.topbar a:hover { color: #fff; }
.topbar__right { display: flex; gap: 18px; align-items: center; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; min-height: var(--header-h);
}
.brand { display: flex; align-items: center; gap: 10px; flex: none; }
.brand__mark {
  width: 38px; height: 38px; border-radius: 11px;
  background: linear-gradient(150deg, var(--g-500), var(--g-800));
  display: grid; place-items: center; flex: none;
}
.brand__mark svg { width: 22px; height: 22px; }
.brand__text { line-height: 1.15; }
.brand__name { font-size: 19px; font-weight: 800; color: var(--g-800); letter-spacing: .5px; }
.brand__sub { font-size: 11px; color: var(--muted); letter-spacing: 2px; }

.nav { display: flex; align-items: center; gap: 2px; }
.nav > li { margin: 0; position: relative; }
.nav > li > a {
  display: block; padding: 10px 14px; border-radius: var(--radius-sm);
  color: var(--ink); font-size: 15.5px; font-weight: 600;
}
.nav > li > a:hover { background: var(--g-50); color: var(--g-700); }
.nav > li.is-active > a { color: var(--g-700); background: var(--g-100); }
.nav .sub {
  position: absolute; top: 100%; left: 0; min-width: 190px; padding: 8px;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm);
  box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: .18s ease; list-style: none; margin: 0; z-index: 60;
}
.nav li:hover > .sub, .nav li:focus-within > .sub { opacity: 1; visibility: visible; transform: none; }
.nav .sub a { display: block; padding: 8px 12px; border-radius: 6px; font-size: 14.5px; color: var(--body); }
.nav .sub a:hover { background: var(--g-50); color: var(--g-700); }

.header-cta {
  display: inline-flex; align-items: center; gap: 8px; flex: none;
  padding: 9px 18px; border-radius: 999px;
  background: var(--g-600); color: #fff; font-weight: 700; font-size: 14.5px;
}
.header-cta:hover { background: var(--g-800); color: #fff; }

.nav-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line);
  border-radius: 10px; background: var(--white); cursor: pointer; padding: 0;
  place-items: center;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); margin: 3px auto; border-radius: 2px; }

/* --------------------------------------------------------------------------
   页头横幅
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative; overflow: hidden;
  background: linear-gradient(120deg, var(--g-800) 0%, var(--g-600) 100%);
  color: #fff; padding: 52px 0 46px;
}
.page-hero::after {
  content: ""; position: absolute; inset: auto -80px -140px auto;
  width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.16), transparent 62%);
}
.page-hero h1 { color: #fff; margin: 0 0 8px; font-size: 32px; }
.page-hero p { margin: 0; color: rgba(255,255,255,.82); max-width: 62ch; }
.page-hero .eyebrow {
  display: inline-block; font-size: 12.5px; letter-spacing: 3px; font-weight: 700;
  color: var(--g-200); margin-bottom: 10px; text-transform: uppercase;
}

/* 首页大图 */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background: var(--g-900);
}
.hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.hero__inner { position: relative; padding: 92px 0 96px; max-width: 660px; }
.hero h1 { color: #fff; font-size: 44px; line-height: 1.22; margin-bottom: 18px; letter-spacing: 1px; }
.hero .lead { font-size: 18px; color: rgba(255,255,255,.86); margin-bottom: 30px; }
.hero__meta { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 34px; }
.hero__meta div { border-left: 2px solid rgba(255,255,255,.3); padding-left: 14px; }
.hero__meta b { display: block; font-size: 26px; color: #fff; line-height: 1.2; }
.hero__meta span { font-size: 13px; color: rgba(255,255,255,.72); }

/* --------------------------------------------------------------------------
   按钮
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: 999px; font-weight: 700; font-size: 15px;
  border: 1px solid transparent; cursor: pointer; transition: .18s ease;
}
.btn--primary { background: var(--g-600); color: #fff; }
.btn--primary:hover { background: var(--g-800); color: #fff; }
.btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn--ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn--outline { background: #fff; color: var(--g-700); border-color: var(--g-300); }
.btn--outline:hover { background: var(--g-50); border-color: var(--g-500); color: var(--g-800); }
.btn--sm { padding: 8px 18px; font-size: 14px; }
.btn-group { display: flex; flex-wrap: wrap; gap: 14px; }

/* --------------------------------------------------------------------------
   标题排版
   -------------------------------------------------------------------------- */
.sec-head { max-width: 720px; margin: 0 auto 40px; text-align: center; }
.sec-head .eyebrow {
  display: inline-block; font-size: 12.5px; letter-spacing: 3px; font-weight: 700;
  color: var(--g-500); margin-bottom: 8px;
}
.sec-head h2 { font-size: 30px; margin-bottom: 10px; }
.sec-head p { color: var(--muted); margin: 0; }
.sec-head--left { margin-left: 0; text-align: left; }
.sec-line {
  display: flex; align-items: baseline; justify-content: space-between; gap: 20px;
  border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 26px;
}
.sec-line h2 { margin: 0; font-size: 23px; }
.sec-line h2::before {
  content: ""; display: inline-block; width: 4px; height: 18px; margin-right: 10px;
  background: var(--g-500); border-radius: 2px; vertical-align: -2px;
}

/* --------------------------------------------------------------------------
   网格与卡片
   -------------------------------------------------------------------------- */
.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--6 { grid-template-columns: repeat(6, minmax(0,1fr)); }

.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: transform .2s ease, box-shadow .2s ease, border-color .2s;
  display: flex; flex-direction: column; height: 100%;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--g-300); }
.card__media { aspect-ratio: 4 / 3; background: var(--g-100); overflow: hidden; }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.card:hover .card__media img { transform: scale(1.045); }
.card__body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card__title { font-size: 17px; margin: 0; color: var(--ink); font-weight: 700; }
.card__title a { color: inherit; }
.card__title a:hover { color: var(--g-700); }
.card__text { margin: 0; font-size: 14.5px; color: var(--muted); line-height: 1.7; }
.card__meta { margin-top: auto; font-size: 13px; color: var(--muted); display: flex; justify-content: space-between; gap: 10px; }

.feature {
  padding: 28px 26px; border-radius: var(--radius); border: 1px solid var(--line);
  background: var(--white); height: 100%;
}
.feature:hover { border-color: var(--g-300); box-shadow: var(--shadow-sm); }
.feature__head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.feature__head h3 { margin: 0; }
.feature .arrow { color: var(--g-400); font-size: 18px; transition: transform .2s ease; }
.feature:hover .arrow { transform: translateX(4px); color: var(--g-700); }
.count {
  display: inline-block; min-width: 22px; padding: 0 7px; border-radius: 999px;
  background: var(--g-100); color: var(--g-700); font-size: 12px; font-weight: 600;
  text-align: center; vertical-align: 1px;
}
.side-nav a { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
a.feature { color: inherit; }
a.feature h3 { color: var(--ink); }
a.feature:hover h3 { color: var(--g-700); }
.feature__icon {
  width: 52px; height: 52px; border-radius: 15px; background: var(--g-100);
  display: grid; place-items: center; margin-bottom: 16px; color: var(--g-700);
}
.feature__icon svg { width: 26px; height: 26px; }
.feature h3 { font-size: 18px; }
.feature p { font-size: 14.5px; color: var(--muted); margin: 0; }

/* 产品卡 */
.product { text-align: left; }
.product .card__media { aspect-ratio: 1 / 1; }
.product__price { font-size: 14px; color: var(--clay); font-weight: 700; }
.product__code { font-size: 12.5px; color: var(--muted); }
.tag {
  display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12.5px;
  background: var(--g-100); color: var(--g-700); margin: 0 6px 6px 0;
}
.tag--amber { background: var(--amber-soft); color: #8A5410; }

/* --------------------------------------------------------------------------
   统计条 / 流程 / 列表
   -------------------------------------------------------------------------- */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.stat { text-align: center; padding: 22px 10px; border-radius: var(--radius); background: var(--white); border: 1px solid var(--line); }
.stat b { display: block; font-size: 34px; color: var(--g-700); line-height: 1.15; }
.stat span { font-size: 14px; color: var(--muted); }

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.steps > li { list-style: none; position: relative; padding: 24px 22px 22px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.steps > li::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  display: block; font-size: 26px; font-weight: 800; color: var(--g-300); margin-bottom: 8px; letter-spacing: 1px;
}
.steps > li h3 { font-size: 17px; margin-bottom: 6px; }
.steps > li p { font-size: 14.5px; color: var(--muted); margin: 0; }

.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { position: relative; padding-left: 28px; margin: 10px 0; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: .55em; width: 15px; height: 8px;
  border-left: 2px solid var(--g-500); border-bottom: 2px solid var(--g-500);
  transform: rotate(-45deg);
}

.linklist { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.linklist li { border-bottom: 1px solid var(--line); }
.linklist a { display: flex; align-items: baseline; gap: 14px; padding: 13px 4px; color: var(--body); }
.linklist a:hover { color: var(--g-700); background: var(--g-50); }
.linklist .t { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 15.5px; }
.linklist .d { font-size: 13px; color: var(--muted); flex: none; }

/* --------------------------------------------------------------------------
   面包屑 / 侧栏 / 分页
   -------------------------------------------------------------------------- */
.breadcrumb {
  font-size: 13.5px; color: var(--muted); padding: 16px 0;
  border-bottom: 1px solid var(--line); margin-bottom: 30px;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--g-700); }
.breadcrumb span { margin: 0 7px; opacity: .5; }

.layout { display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: 44px; align-items: start; }
.layout--left { grid-template-columns: 260px minmax(0,1fr); }
.aside { position: sticky; top: calc(var(--header-h) + 20px); display: grid; gap: 22px; }
.panel { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.panel__head { padding: 14px 18px; background: var(--g-700); color: #fff; font-weight: 700; font-size: 16px; }
.panel__head--soft { background: var(--g-100); color: var(--g-800); }
.panel__body { padding: 8px 8px 12px; }
.panel__body--pad { padding: 18px; }
.side-nav { list-style: none; margin: 0; padding: 0; }
.side-nav a { display: block; padding: 10px 14px; border-radius: 8px; color: var(--body); font-size: 15px; }
.side-nav a:hover { background: var(--g-50); color: var(--g-700); }
.side-nav .is-active > a { background: var(--g-100); color: var(--g-800); font-weight: 700; }
.side-nav ul { list-style: none; margin: 0; padding-left: 12px; }

.hot-box { padding: 20px; border-radius: var(--radius); background: linear-gradient(140deg, var(--g-800), var(--g-600)); color: #fff; }
.hot-box .lbl { font-size: 13px; opacity: .8; letter-spacing: 1px; }
.hot-box .tel { display: block; font-size: 24px; font-weight: 800; color: #fff; margin: 6px 0 2px; letter-spacing: .5px; }
.hot-box .tel:hover { color: #fff; text-decoration: underline; }
.hot-box .sub { font-size: 13px; opacity: .85; }

.pager { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 38px 0 6px; }
.pager a, .pager b, .pager i {
  min-width: 40px; padding: 9px 13px; border: 1px solid var(--line); border-radius: 9px;
  font-style: normal; font-size: 14.5px; color: var(--body); background: #fff; text-align: center;
}
.pager a:hover { border-color: var(--g-500); color: var(--g-700); }
.pager b { background: var(--g-600); border-color: var(--g-600); color: #fff; font-weight: 700; }
.pager i { color: var(--muted); background: var(--surface); }
.pager .gap { border: 0; background: none; min-width: 20px; padding: 9px 4px; }

/* --------------------------------------------------------------------------
   文章正文
   -------------------------------------------------------------------------- */
.article { max-width: 800px; }
.article__head { margin-bottom: 26px; }
.article__head h1 { font-size: 30px; line-height: 1.4; margin-bottom: 12px; }
.article__info { display: flex; flex-wrap: wrap; gap: 16px; font-size: 13.5px; color: var(--muted); }
.article__body { font-size: 16.5px; line-height: 1.95; color: #35453C; }
.article__body h2 { font-size: 21px; margin: 1.8em 0 .7em; padding-left: 12px; border-left: 4px solid var(--g-500); }
.article__body h3 { font-size: 18px; margin: 1.6em 0 .6em; color: var(--g-800); }
.article__body p { margin: 0 0 1.25em; }
.article__body img { margin: 1.4em auto; border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); }
.article__body figure { margin: 1.4em 0; }
.article__body figcaption { font-size: 13.5px; color: var(--muted); text-align: center; margin-top: 8px; }
.article__body ul, .article__body ol { margin-bottom: 1.3em; }
.article__body li { margin: .45em 0; }
.article__body blockquote {
  margin: 1.5em 0; padding: 16px 20px; background: var(--g-50);
  border-left: 4px solid var(--g-400); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--g-900);
}
.article__block {
  background: var(--g-50); border: 1px solid var(--g-200); border-radius: var(--radius-sm);
  padding: 18px 20px; margin: 1.6em 0;
}
.article__table { font-size: 14.5px; margin: 1.5em 0; }
.gallery { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; margin: 6px 0 8px; }
.gallery figure { margin: 0; }
.gallery img { width: 100%; height: 200px; object-fit: cover; border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); }
.gallery figcaption { font-size: 12.5px; color: var(--muted); margin-top: 7px; text-align: center; }
@media (max-width: 640px) { .gallery { grid-template-columns: repeat(2, minmax(0,1fr)); } .gallery img { height: 140px; } }
.article__table th, .article__table td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; }
.article__table th { background: var(--g-50); color: var(--g-800); font-weight: 700; }
.table-wrap { overflow-x: auto; }

.article__foot { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line); }
.disclaimer { font-size: 13px; color: var(--muted); line-height: 1.8; padding: 14px 18px; background: var(--surface); border-radius: var(--radius-sm); }
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 22px; }
.post-nav a {
  display: block; padding: 15px 18px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  font-size: 14.5px; color: var(--body);
}
.post-nav a:hover { border-color: var(--g-400); background: var(--g-50); }
.post-nav em { display: block; font-style: normal; font-size: 12.5px; color: var(--muted); margin-bottom: 4px; }
.post-nav .next { text-align: right; }

/* --------------------------------------------------------------------------
   产品详情
   -------------------------------------------------------------------------- */
.product-hero { display: grid; grid-template-columns: 420px minmax(0,1fr); gap: 40px; align-items: start; }
.product-hero__img { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.spec { list-style: none; margin: 22px 0 0; padding: 0; border-top: 1px dashed var(--line); }
.spec li { display: flex; gap: 14px; padding: 11px 2px; border-bottom: 1px dashed var(--line); font-size: 15px; }
.spec .k { width: 92px; flex: none; color: var(--muted); }
.spec .v { flex: 1; color: var(--ink); }
.price { display: flex; align-items: baseline; gap: 12px; margin: 18px 0 6px; }
.price .now { font-size: 30px; font-weight: 800; color: var(--clay); }
.price .was { font-size: 15px; color: var(--muted); text-decoration: line-through; }
.price .unit { font-size: 13px; color: var(--muted); }

/* --------------------------------------------------------------------------
   CTA / 联系
   -------------------------------------------------------------------------- */
.cta-band {
  background: linear-gradient(120deg, var(--g-900), var(--g-600));
  color: #fff; border-radius: var(--radius); padding: 40px 44px;
  display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap;
}
.cta-band h2 { color: #fff; margin: 0 0 6px; font-size: 25px; }
.cta-band p { margin: 0; color: rgba(255,255,255,.8); }

.contact-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.info-item { display: flex; gap: 16px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.info-item__ic { width: 44px; height: 44px; border-radius: 12px; background: var(--g-100); color: var(--g-700); display: grid; place-items: center; flex: none; }
.info-item__ic svg { width: 22px; height: 22px; }
.info-item h4 { margin: 0 0 4px; font-size: 15px; color: var(--muted); font-weight: 600; }
.info-item .val { font-size: 18px; font-weight: 700; color: var(--ink); word-break: break-word; }
.info-item .note { font-size: 13px; color: var(--muted); margin-top: 3px; }

.form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { display: block; font-size: 14px; color: var(--g-800); font-weight: 600; margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: #fff; transition: border-color .18s, box-shadow .18s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--g-500); box-shadow: 0 0 0 3px var(--g-100);
}
.field textarea { min-height: 110px; resize: vertical; }
.form-note { font-size: 13px; color: var(--muted); }

/* --------------------------------------------------------------------------
   页脚
   -------------------------------------------------------------------------- */
.site-footer { background: var(--g-900); color: rgba(255,255,255,.68); font-size: 14.5px; margin-top: 0; }
.site-footer a { color: rgba(255,255,255,.68); }
.site-footer a:hover { color: #fff; }
.footer-main { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 40px; padding: 56px 0 40px; }
.footer-col h4 { color: #fff; font-size: 15.5px; margin-bottom: 16px; letter-spacing: 1px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin: 9px 0; }
.footer-about p { max-width: 40ch; line-height: 1.85; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand .brand__name { color: #fff; }
.footer-brand .brand__sub { color: rgba(255,255,255,.5); }
.footer-contact div { display: flex; gap: 10px; margin: 11px 0; align-items: flex-start; }
.footer-contact svg { width: 17px; height: 17px; flex: none; margin-top: 4px; opacity: .7; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12); padding: 18px 0 24px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px;
  color: rgba(255,255,255,.48);
}
.footer-bottom .kw { line-height: 2; }

/* --------------------------------------------------------------------------
   浮动工具条
   -------------------------------------------------------------------------- */
.float-bar {
  position: fixed; right: 16px; bottom: 22px; z-index: 70; display: grid; gap: 8px;
}
.float-bar a, .float-bar button {
  width: 48px; height: 48px; border-radius: 14px; border: 0; cursor: pointer;
  background: var(--white); color: var(--g-700); box-shadow: var(--shadow);
  display: grid; place-items: center; font-size: 11px; font-weight: 700; line-height: 1.1;
  text-align: center; padding: 0;
}
.float-bar a:hover, .float-bar button:hover { background: var(--g-600); color: #fff; }
.float-bar svg { width: 20px; height: 20px; }
.float-bar .to-top { display: none; }
.float-bar .to-top.is-on { display: grid; }

/* 微信二维码悬浮 */
.wx-hover { position: relative; }
.wx-hover .wx-pop {
  position: absolute; right: 58px; bottom: -10px; width: 148px; padding: 12px;
  background: #fff; border-radius: 12px; box-shadow: var(--shadow-lg); display: none; text-align: center;
}
.wx-hover .wx-pop img { width: 124px; height: 124px; margin: 0 auto 6px; }
.wx-hover .wx-pop span { color: var(--body); font-size: 12px; }
.wx-hover:hover .wx-pop { display: block; }

/* --------------------------------------------------------------------------
   工具类
   -------------------------------------------------------------------------- */
.count-note { font-size: 13px; color: var(--muted); text-align: center; margin-top: 14px; }
.panel .checklist { font-size: 14.5px; margin: 0 0 14px; }
.panel .checklist li { margin: 8px 0; padding-left: 24px; }
.panel .btn--sm { width: 100%; }
.mt-lg { margin-top: 46px; }
.btn-block { width: 100%; }
.filterbar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.filterbar a {
  padding: 6px 14px; border: 1px solid var(--line); border-radius: 999px;
  font-size: 14px; color: var(--body); background: #fff;
}
.filterbar a:hover { border-color: var(--g-400); color: var(--g-700); }
.filterbar a.is-on { background: var(--g-600); border-color: var(--g-600); color: #fff; font-weight: 600; }
.row-hl { display: grid; gap: 34px; align-items: center; }
.row-hl--2 { grid-template-columns: 1.05fr .95fr; }
.row-hl--3 { grid-template-columns: .95fr 1.05fr; }
.row-hl figure { margin: 0; }
.row-hl img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; }
.eyebrow { font-size: 12.5px; letter-spacing: 3px; font-weight: 700; color: var(--g-500); text-transform: uppercase; }
.lead-p { font-size: 17px; color: var(--body); }
.kw-strip { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 0; }
.spec-note { font-size: 13.5px; color: var(--muted); margin-top: 10px; }
.split-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0 34px; }
.timeline { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--g-200); }
.timeline li { position: relative; padding: 0 0 26px 26px; margin: 0; }
.timeline li::before {
  content: ""; position: absolute; left: -7px; top: 6px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--g-500); border: 2px solid #fff; box-shadow: 0 0 0 2px var(--g-200);
}
.timeline b { display: block; color: var(--g-700); font-size: 17px; margin-bottom: 3px; }
.timeline p { margin: 0; font-size: 15px; color: var(--body); }
.band { padding: 58px 0; }
.band--alt { background: var(--g-50); }
.band--dark { background: var(--g-900); color: rgba(255,255,255,.8); }
.band--dark h2, .band--dark h3 { color: #fff; }
.price-inline { display: flex; align-items: baseline; gap: 12px; margin: 18px 0 6px; }
.price-inline b { font-size: 30px; color: var(--clay); font-weight: 800; }
.price-inline s { color: var(--muted); font-size: 15px; }
.price-inline i { font-style: normal; font-size: 13px; color: var(--muted); }

/* --------------------------------------------------------------------------
   空态 / 提示
   -------------------------------------------------------------------------- */
.empty { padding: 60px 20px; text-align: center; color: var(--muted); }
.empty h3 { color: var(--ink); }
.notice {
  padding: 14px 18px; border-radius: var(--radius-sm); background: var(--g-50);
  border: 1px solid var(--g-200); font-size: 14.5px; color: var(--g-900); margin: 18px 0;
}
.breadcrumb-inline { font-size: 13.5px; color: var(--muted); margin-bottom: 10px; }

/* --------------------------------------------------------------------------
   响应式
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .grid--6 { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 30px; }
  .product-hero { grid-template-columns: 320px minmax(0,1fr); gap: 26px; }
}

@media (max-width: 900px) {
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; align-items: stretch;
    background: #fff; border-bottom: 1px solid var(--line); padding: 10px 16px 22px;
    max-height: calc(100vh - var(--header-h)); overflow-y: auto; box-shadow: var(--shadow);
    display: none; gap: 0;
  }
  body.nav-open .nav { display: flex; }
  .nav > li { border-bottom: 1px solid var(--line); }
  .nav > li > a { padding: 13px 6px; border-radius: 0; }
  .nav .sub { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none;
    border: 0; border-radius: 0; padding: 0 0 10px 14px; display: none; }
  .nav li.open > .sub { display: block; }
  .nav .sub a { padding: 9px 6px; }
  .nav-toggle { display: grid; }
  .header-cta { display: none; }
  .layout, .layout--left { grid-template-columns: minmax(0,1fr); gap: 32px; }
  .aside { position: static; grid-template-columns: 1fr; }
  .hero__inner { padding: 60px 0 64px; }
  .hero h1 { font-size: 32px; }
  .grid--3 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .steps { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2,1fr); }
  .section { padding: 46px 0; }
}

@media (max-width: 640px) {
  body { font-size: 15.5px; }
  h1 { font-size: 24px; } h2 { font-size: 20px; } h3 { font-size: 17px; }
  .container { padding: 0 16px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .grid--6 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .hero h1 { font-size: 27px; }
  .hero .lead { font-size: 16px; }
  .hero__meta { gap: 16px; }
  .hero__meta b { font-size: 21px; }
  .page-hero { padding: 34px 0 30px; }
  .page-hero h1 { font-size: 24px; }
  .sec-head h2 { font-size: 23px; }
  .stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat b { font-size: 26px; }
  .contact-grid, .form-row, .post-nav { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 26px; padding: 40px 0 26px; }
  .product-hero { grid-template-columns: 1fr; }
  .cta-band { padding: 28px 22px; }
  .article__body { font-size: 16px; line-height: 1.85; }
  .article__head h1 { font-size: 24px; }
  .float-bar { right: 10px; bottom: 14px; }
  .float-bar a, .float-bar button { width: 44px; height: 44px; border-radius: 12px; }
}

@media print {
  .site-header, .site-footer, .float-bar, .topbar, .aside, .pager, .breadcrumb { display: none !important; }
  .article__body { font-size: 12pt; }
}