/* ============================================================
   环保污水处理设施 —— 全站响应式样式
   主题：清新淡绿，大气简洁，留白充分，全终端自适应
   ============================================================ */

:root {
  /* 主色：淡绿 */
  --c-primary: #1eb355;
  --c-primary-dark: #0e8a3f;
  --c-primary-light: #5fd68a;
  --c-accent: #b8e635;
  /* 辅助绿阶 */
  --c-green-50: #f2fbf5;
  --c-green-100: #eafaee;
  --c-green-200: #d3f0dc;
  --c-text: #17301f;
  --c-text2: #3c5a45;
  --c-text3: #5f7a68;
  --c-border: #d8f0df;
  --c-bg: #f2fbf5;
  --c-card: #ffffff;
  --c-grad: linear-gradient(120deg, #3ed07a 0%, #12a150 100%);
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 10px 30px rgba(30, 120, 60, .08);
  --shadow-hover: 0 16px 42px rgba(30, 120, 60, .15);
  --shadow-soft: 0 4px 18px rgba(30, 120, 60, .055);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  --header-h: 64px;
  --maxw: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s; }
ul, ol { list-style: none; }
button { font-family: inherit; }
:focus-visible { outline: 2px solid var(--c-primary-light); outline-offset: 2px; }

/* 内联图标全局兜底：svg_icon() 输出的 SVG 均带 viewBox="0 0 24 24" 且无宽高，
   缺省时会被浏览器按 100% 宽度撑成巨块；此处给安全默认值（1em 随字号缩放），
   放在文件前部，后文各组件的具名规则（.topbar svg、.logo-mark svg 等）可正常覆盖。 */
svg[viewBox="0 0 24 24"] { width: 1em; height: 1em; flex: none; vertical-align: -0.16em; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------------- 顶部信息条 ---------------- */
.topbar {
  background: #12a150;
  color: rgba(255,255,255,.86);
  font-size: 12.5px;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; min-height: 34px; gap: 12px; }
.topbar a:hover { color: #fff; }
.topbar .tb-right { display: flex; gap: 16px; align-items: center; }
.topbar .tb-tel { display: flex; align-items: center; gap: 6px; font-weight: 600; color: #a8f0b4; white-space: nowrap; flex: none; }
.topbar svg { width: 14px; height: 14px; }

/* ---------------- 导航 ---------------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  box-shadow: 0 2px 14px rgba(30, 120, 60, .045);
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.logo { display: flex; align-items: center; gap: 10px; min-width: 0; }
.logo img { height: 40px; width: auto; }
.logo-mark {
  width: 42px; height: 42px; border-radius: 12px; flex: none;
  background: var(--c-grad); color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.logo-mark svg { width: 24px; height: 24px; }
.logo-text { line-height: 1.25; min-width: 0; }
.logo-text strong { display: block; font-size: 18px; letter-spacing: .5px; color: var(--c-primary-dark); white-space: nowrap; }
.logo-text span { display: block; font-size: 11px; color: var(--c-text3); letter-spacing: .5px; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav > li > a {
  display: flex; align-items: center; gap: 4px;
  padding: 8px 14px; font-size: 15px; font-weight: 600;
  color: var(--c-text2); border-radius: 9px; white-space: nowrap;
}
.nav > li > a:hover, .nav > li.active > a { color: var(--c-primary-dark); background: rgba(30, 179, 85,.1); }
.nav .caret { width: 11px; height: 11px; opacity: .55; }

.dropdown { position: relative; }
.dropdown-menu {
  position: absolute; top: calc(100% + 8px); left: 50%; transform: translateX(-50%) translateY(6px);
  min-width: 210px; background: #fff; border-radius: 12px;
  box-shadow: 0 18px 46px rgba(40, 85, 50, .15); border: 1px solid var(--c-green-100);
  padding: 8px; opacity: 0; visibility: hidden; transition: all .22s ease;
}
.dropdown:hover .dropdown-menu, .dropdown:focus-within .dropdown-menu {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.dropdown-menu a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 8px; font-size: 14px; color: var(--c-text2);
}
.dropdown-menu a:hover { background: rgba(30, 179, 85,.1); color: var(--c-primary-dark); }
.dropdown-menu .dm-icon { width: 30px; height: 30px; border-radius: 8px; background: rgba(30, 179, 85,.12); color: var(--c-primary-dark); display: flex; align-items: center; justify-content: center; flex: none; }
.dropdown-menu .dm-icon svg { width: 17px; height: 17px; }

.hamburger { display: none; width: 42px; height: 42px; border: 1px solid var(--c-border); background: #fff; border-radius: 10px; cursor: pointer; align-items: center; justify-content: center; }
.hamburger svg { width: 22px; height: 22px; color: var(--c-text2); }

/* 移动端菜单 */
.mobile-nav { display: none; background: #fff; border-top: 1px solid var(--c-border); max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.mobile-nav.open { max-height: 78vh; overflow-y: auto; }
.mobile-nav a { display: block; padding: 13px 22px; font-size: 15px; font-weight: 600; color: var(--c-text2); border-bottom: 1px solid var(--c-green-100); }
.mobile-nav a:hover, .mobile-nav .m-active { color: var(--c-primary-dark); background: rgba(30, 179, 85,.07); }
.mobile-nav .m-group { font-size: 12.5px; color: var(--c-text3); padding: 14px 22px 4px; letter-spacing: 1px; }

/* ---------------- 英雄区 ---------------- */
.hero { position: relative; color: #fff; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(8, 70, 36,.92) 0%, rgba(28,70,38,.76) 46%, rgba(44,102,54,.4) 100%); }
.hero-inner { position: relative; z-index: 2; padding: 104px 0 112px; max-width: 660px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.14); border: 1px solid rgba(197,233,199,.4);
  padding: 6px 15px; border-radius: 99px; font-size: 13px; letter-spacing: 1px; margin-bottom: 22px;
}
.hero h1 { font-size: 43px; line-height: 1.28; letter-spacing: 1px; font-weight: 800; margin-bottom: 18px; text-shadow: 0 3px 18px rgba(0,0,0,.22); }
.hero h1 em { font-style: normal; color: #9ef0b0; }
.hero p { font-size: 16.5px; line-height: 1.95; color: rgba(255,255,255,.9); margin-bottom: 30px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-quick { display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 30px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.18); }
.hero-quick li { display: flex; align-items: center; gap: 7px; font-size: 13.5px; color: rgba(255,255,255,.86); }
.hero-quick svg { width: 16px; height: 16px; color: #9ef0b0; flex: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: 10px; font-size: 15px; font-weight: 600;
  cursor: pointer; border: 1px solid transparent; transition: all .2s;
}
.btn svg { width: 17px; height: 17px; }
.btn-primary { background: var(--c-grad); color: #fff; box-shadow: 0 8px 22px rgba(30, 179, 85,.34); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(30, 179, 85,.44); color: #fff; }
.btn-ghost { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.5); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.22); color: #fff; }
.btn-light { background: #fff; color: var(--c-primary-dark); }
.btn-light:hover { color: var(--c-primary); }
.btn-outline { border-color: var(--c-primary); color: var(--c-primary-dark); background: transparent; }
.btn-outline:hover { background: var(--c-primary); color: #fff; }

/* ---------------- 数据条 ---------------- */
.stats { position: relative; z-index: 5; margin-top: -46px; }
.stats-grid {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden;
}
.stat-item { text-align: center; padding: 24px 10px; border-right: 1px solid var(--c-green-100); }
.stat-item:last-child { border-right: 0; }
.stat-num { font-size: 31px; font-weight: 800; background: var(--c-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1.2; }
.stat-label { font-size: 13px; color: var(--c-text3); margin-top: 2px; }

/* ---------------- 通用区块 ---------------- */
.section { padding: 72px 0; }
.section-alt { background: #fff; }
.sec-head { text-align: center; max-width: 680px; margin: 0 auto 46px; }
.sec-kicker { display: inline-block; font-size: 12.5px; letter-spacing: 3px; color: var(--c-primary); font-weight: 700; text-transform: uppercase; margin-bottom: 10px; }
.sec-title { font-size: 31px; font-weight: 800; letter-spacing: 1px; line-height: 1.35; }
.sec-title span { background: linear-gradient(120deg, var(--c-primary), var(--c-accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.sec-sub { color: var(--c-text3); margin-top: 12px; font-size: 15px; }
.sec-head-left { text-align: left; margin: 0 0 34px; display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.sec-head-left .sec-sub { margin-top: 8px; }
.more-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--c-primary-dark); font-weight: 600; white-space: nowrap; }
.more-link:hover { color: var(--c-accent); }
.more-link svg { width: 15px; height: 15px; }

/* ---------------- 主打产品区块 ---------------- */
.feat {
  position: relative;
  background: linear-gradient(150deg, #ffffff 0%, var(--c-green-100) 100%);
  border: 1px solid var(--c-green-200);
  border-radius: 20px;
  padding: 40px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 44px;
  align-items: center;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.feat::before {
  content: ''; position: absolute; width: 260px; height: 260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(154,201,63,.16) 0%, rgba(154,201,63,0) 70%);
  right: -70px; top: -80px; pointer-events: none;
}
.feat-media { position: relative; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); }
.feat-media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }
.feat-badge {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--c-grad); color: #fff; font-size: 12.5px; font-weight: 600;
  padding: 5px 14px; border-radius: 99px; letter-spacing: .5px;
  box-shadow: 0 6px 18px rgba(52,128,63,.35);
}
.feat-badge svg { width: 14px; height: 14px; }
.feat-body { position: relative; z-index: 2; }
.feat-body .sec-kicker { margin-bottom: 8px; }
.feat-body h2 { font-size: 30px; line-height: 1.3; margin-bottom: 12px; color: var(--c-text); }
.feat-body h2 em { font-style: normal; color: var(--c-primary); }
.feat-body > p { color: var(--c-text2); font-size: 15px; margin-bottom: 20px; }
.feat-points { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; margin-bottom: 22px; }
.feat-points li { display: flex; gap: 8px; align-items: flex-start; font-size: 13.8px; color: var(--c-text2); }
.feat-points svg { width: 17px; height: 17px; color: var(--c-primary); flex: none; margin-top: 4px; }
.feat-stats { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
.feat-stat { background: #fff; border: 1px solid var(--c-green-200); border-radius: 11px; padding: 10px 16px; min-width: 112px; }
.feat-stat b { display: block; font-size: 20px; font-weight: 800; color: var(--c-primary-dark); line-height: 1.3; }
.feat-stat span { font-size: 12.5px; color: var(--c-text3); }
.feat-btns { display: flex; gap: 12px; flex-wrap: wrap; }

/* 附属产品分组标题 */
.aux-head { display: flex; align-items: center; gap: 14px; margin: 0 0 26px; }
.aux-head h3 { font-size: 20px; white-space: nowrap; }
.aux-head .aux-line { flex: 1; height: 1px; background: var(--c-green-200); }
.aux-head .aux-note { font-size: 13px; color: var(--c-text3); white-space: nowrap; }

/* ---------------- 产品中心：其他产品入口卡片 ---------------- */
.op-entry {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 0;
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-soft); transition: box-shadow .25s, transform .25s;
}
.op-entry:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.op-entry-media img { width: 100%; height: 100%; min-height: 260px; object-fit: cover; display: block; }
.op-entry-body { padding: 34px 36px; display: flex; flex-direction: column; }
.op-entry-body h3 { font-size: 22px; margin-bottom: 16px; }
.op-entry-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 22px; margin-bottom: 22px; }
.op-entry-list li { display: flex; align-items: baseline; gap: 8px; font-size: 14.5px; font-weight: 600; color: var(--c-text); }
.op-entry-list svg { color: var(--c-primary); flex: none; align-self: center; }
.op-entry-list small { display: block; font-weight: 400; font-size: 12.5px; color: var(--c-text3); margin-top: 2px; }
.op-entry-list li > svg + * { flex: 1; min-width: 0; }
.op-entry-go { margin-top: auto; align-self: flex-start; display: inline-flex; align-items: center; gap: 7px; color: var(--c-primary-dark); font-weight: 600; font-size: 14.5px; }
.op-entry-go svg { width: 16px; height: 16px; }

/* ---------------- 其他产品合并页 ---------------- */
.op { padding: 40px 0 70px; }

/* 顶部总览图 */
.op-hero {
  position: relative; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-soft); margin-bottom: 34px;
}
.op-hero img { width: 100%; aspect-ratio: 16/8; object-fit: cover; display: block; }
.op-hero-txt {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 60px 36px 28px;
  background: linear-gradient(to top, rgba(8,70,36,.92), rgba(8,70,36,.55) 55%, rgba(8,70,36,0));
  color: #fff;
}
.op-hero-txt h2 { font-size: 24px; margin-bottom: 8px; color: #fff; }
.op-hero-txt p { font-size: 14.5px; color: rgba(255,255,255,.9); max-width: 760px; }

/* 速览对比表 */
.op-quick {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius);
  padding: 26px 28px; box-shadow: var(--shadow-soft); margin-bottom: 30px;
}
.op-quick-title { font-size: 18px; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.op-quick-title svg { width: 18px; height: 18px; color: var(--c-primary); }
.op-quick table a { color: var(--c-primary-dark); font-weight: 600; }
.op-quick table a:hover { text-decoration: underline; }

/* 锚点导航（与详情页共用 pd-tabs，此处补间距） */
.op-tabs { margin-top: 0; }

/* 单个产品区块 */
.op-item {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius);
  padding: 30px 32px; box-shadow: var(--shadow-soft); margin-bottom: 30px;
  scroll-margin-top: calc(var(--header-h) + 70px);
}
.op-item-head { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; padding-bottom: 16px; border-bottom: 1px solid var(--c-green-100); }
.op-item-head h2 { font-size: 24px; }
.op-item-sub { font-size: 13.5px; color: var(--c-text3); }

.op-item-body { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 28px; align-items: start; }
.op-item-media { border-radius: 12px; overflow: hidden; }
.op-item-media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }
.op-item-summary { color: var(--c-text2); font-size: 15px; margin-bottom: 18px; }

.op-spec { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; margin-bottom: 20px; }
.op-spec-item { display: flex; gap: 8px; align-items: baseline; font-size: 13.8px; }
.op-spec-item b { color: var(--c-text3); font-weight: 500; white-space: nowrap; }
.op-spec-item span { color: var(--c-text); font-weight: 600; }

.op-item-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.op-item-detail { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; margin-top: 26px; padding-top: 24px; border-top: 1px dashed var(--c-green-200); }
.op-block { min-width: 0; }
.op-block h3 { font-size: 16px; margin-bottom: 12px; padding-left: 11px; border-left: 3px solid var(--c-primary); }
.op-block .rich { font-size: 14px; }
.op-block .rich table { font-size: 13px; }
.op-block .rich h2 { font-size: 15px; }

/* 底部 CTA */
.op-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap;
  background: var(--c-grad); color: #fff; border-radius: var(--radius); padding: 32px 36px;
}
.op-foot h3 { font-size: 21px; margin-bottom: 6px; color: #fff; }
.op-foot p { font-size: 14.5px; color: rgba(255,255,255,.92); }
.op-foot .btn-lg { padding: 14px 30px; font-size: 15.5px; background: #fff; color: var(--c-primary-dark); border: 0; }
.op-foot .btn-lg:hover { filter: brightness(.96); }

@media (max-width: 980px) {
  .op-entry { grid-template-columns: minmax(0, 1fr); }
  .op-entry-media img { min-height: 200px; aspect-ratio: 16/9; }
  .op-item-body { grid-template-columns: minmax(0, 1fr); }
  .op-item-detail { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .op-hero img { aspect-ratio: 16/10; }
  .op-hero-txt { padding: 40px 22px 20px; }
  .op-hero-txt h2 { font-size: 19px; }
}
@media (max-width: 620px) {
  .op-entry-body { padding: 24px 22px; }
  .op-entry-list { grid-template-columns: 1fr; }
  .op-spec { grid-template-columns: 1fr; }
  .op-item { padding: 22px 18px; }
  .op-item-head h2 { font-size: 21px; }
  .op-foot { padding: 26px 22px; }
}

/* ---------------- 优势 ---------------- */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.adv-card {
  background: #fff; border-radius: var(--radius); padding: 30px 24px;
  border: 1px solid var(--c-green-100); box-shadow: var(--shadow-soft);
  transition: all .25s ease; position: relative; overflow: hidden;
}
.adv-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: var(--c-grad); transform: scaleX(0); transform-origin: left; transition: transform .3s; }
.adv-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.adv-card:hover::before { transform: scaleX(1); }
.adv-icon { width: 54px; height: 54px; border-radius: 14px; background: rgba(30, 179, 85,.11); color: var(--c-primary-dark); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.adv-icon svg { width: 27px; height: 27px; }
.adv-card h3 { font-size: 17px; margin-bottom: 8px; }
.adv-card p { font-size: 13.5px; color: var(--c-text3); line-height: 1.85; }
.adv-no { position: absolute; right: 14px; top: 8px; font-size: 46px; font-weight: 800; color: rgba(30, 179, 85,.08); line-height: 1; }

/* ---------------- 对比速览 ---------------- */
.quick-cmp { background: #fff; border: 1px solid var(--c-green-200); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-soft); }
.quick-cmp table { width: 100%; border-collapse: collapse; font-size: 14px; }
.quick-cmp th, .quick-cmp td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--c-green-100); }
.quick-cmp thead th { background: var(--c-green-100); color: var(--c-primary-dark); font-weight: 700; font-size: 13.5px; }
.quick-cmp thead th:nth-child(2) { background: rgba(30, 179, 85,.18); }
.quick-cmp td:first-child { color: var(--c-text3); font-size: 13.5px; white-space: nowrap; }
.quick-cmp td:nth-child(2) { background: rgba(30, 179, 85,.055); font-weight: 600; color: var(--c-primary-dark); }
.quick-cmp tr:last-child th, .quick-cmp tr:last-child td { border-bottom: 0; }
.quick-cmp tbody tr:hover td { background: var(--c-green-50); }
.quick-cmp tbody tr:hover td:nth-child(2) { background: rgba(30, 179, 85,.1); }

/* ---------------- 解决方案条带 ---------------- */
.band { background: var(--c-grad); color: #fff; border-radius: var(--radius); padding: 42px 46px; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; box-shadow: var(--shadow); }
.band h3 { font-size: 24px; margin-bottom: 8px; }
.band p { color: rgba(255,255,255,.88); font-size: 14.5px; max-width: 640px; }
.band .btn-light:hover { color: var(--c-primary-dark); }

/* ---------------- 关于我们 ---------------- */
.about-wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 46px; align-items: center; }
.about-text { min-width: 0; }
.about-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); position: relative; }
.about-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.about-img::after { content: ''; position: absolute; inset: 12px; border: 2px solid rgba(255,255,255,.5); border-radius: 10px; pointer-events: none; }
.about-text h2 { font-size: 27px; margin-bottom: 16px; }
.about-text .rich p { color: var(--c-text2); font-size: 14.5px; margin-bottom: 10px; }
.about-points { margin-top: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.about-points li { display: flex; gap: 8px; align-items: flex-start; font-size: 13.5px; color: var(--c-text2); }
.about-points svg { width: 17px; height: 17px; color: var(--c-primary); flex: none; margin-top: 3px; }

/* ---------------- 文章卡片 ---------------- */
.art-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.a-card { background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--c-green-100); box-shadow: var(--shadow-soft); transition: all .25s; display: flex; flex-direction: column; }
.a-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.a-thumb { aspect-ratio: 16/9; overflow: hidden; background: var(--c-green-100); }
.a-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.a-card:hover .a-thumb img { transform: scale(1.05); }
.a-body { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; }
.a-tag { display: inline-block; font-size: 12px; color: var(--c-primary-dark); background: rgba(30, 179, 85,.11); padding: 2px 10px; border-radius: 99px; align-self: flex-start; margin-bottom: 10px; }
a.a-tag { transition: background .2s, color .2s; }
a.a-tag:hover { background: var(--c-primary); color: #fff; }
.a-body h3 { font-size: 16.5px; line-height: 1.5; margin-bottom: 8px; }
.a-body h3 a:hover { color: var(--c-primary-dark); }
.a-body p { font-size: 13.5px; color: var(--c-text3); flex: 1; }
.a-meta { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--c-green-200); font-size: 12.5px; color: #8fa79a; display: flex; gap: 16px; }
.a-meta svg { width: 13px; height: 13px; vertical-align: -2px; }

/* ---------------- 面包屑 ---------------- */
.breadcrumb { background: #fff; border-bottom: 1px solid var(--c-border); font-size: 13.5px; color: var(--c-text3); }
.breadcrumb .container { display: flex; align-items: center; gap: 8px; min-height: 46px; flex-wrap: wrap; }
.breadcrumb a { color: var(--c-text3); }
.breadcrumb a:hover { color: var(--c-primary-dark); }
.breadcrumb svg { width: 13px; height: 13px; opacity: .5; }
.breadcrumb .cur { color: var(--c-primary-dark); font-weight: 600; }

/* ---------------- 产品详情 ---------------- */
.pd { padding: 40px 0 70px; }
.pd-head { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: start; }
.pd-gallery { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: var(--c-green-100); position: relative; }
.pd-main-img { aspect-ratio: 4/3; width: 100%; object-fit: cover; }
.pd-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 10px; }
.pd-thumbs button { border: 2px solid transparent; border-radius: 8px; overflow: hidden; padding: 0; background: none; cursor: pointer; aspect-ratio: 4/3; }
.pd-thumbs button img { width: 100%; height: 100%; object-fit: cover; }
.pd-thumbs button.active { border-color: var(--c-primary); }
.pd-info h1 { font-size: 30px; line-height: 1.3; margin-bottom: 10px; }
.pd-info .pd-sub { color: var(--c-primary-dark); font-size: 14px; background: rgba(30, 179, 85,.11); display: inline-block; padding: 4px 14px; border-radius: 99px; margin-bottom: 16px; }
.pd-info .pd-sub a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.pd-info .pd-sub a:hover { color: var(--c-primary); }
.pd-info .pd-summary { color: var(--c-text2); font-size: 14.5px; margin-bottom: 22px; }
.pd-meta { background: var(--c-green-50); border: 1px solid var(--c-green-200); border-radius: var(--radius-sm); padding: 16px 20px; margin-bottom: 22px; font-size: 13.5px; color: var(--c-text2); display: grid; gap: 6px; }
.pd-meta b { color: var(--c-text); }
.pd-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.pd-share { margin-top: 18px; font-size: 12.5px; color: #8fa79a; }
/* 主打产品标记 */
.pd-flag { position: absolute; top: 14px; left: 14px; z-index: 3; display: inline-flex; align-items: center; gap: 6px; background: var(--c-accent); color: #0e5c2e; font-size: 12.5px; font-weight: 700; padding: 5px 14px; border-radius: 99px; box-shadow: 0 6px 18px rgba(120,160,40,.32); }
.pd-flag svg { width: 14px; height: 14px; }

/* 详情锚点导航 */
.pd-tabs { position: sticky; top: calc(var(--header-h) + 8px); z-index: 30; background: rgba(255,255,255,.96); backdrop-filter: blur(8px); border: 1px solid var(--c-border); border-radius: var(--radius-sm); box-shadow: var(--shadow-soft); display: flex; overflow-x: auto; margin: 36px 0 30px; scrollbar-width: none; }
.pd-tabs::-webkit-scrollbar { display: none; }
.pd-tabs a { padding: 12px 18px; font-size: 14px; font-weight: 600; color: var(--c-text2); white-space: nowrap; border-bottom: 2px solid transparent; }
.pd-tabs a:hover, .pd-tabs a.active { color: var(--c-primary-dark); border-bottom-color: var(--c-primary); }

/* 视频区 */
.video-box { position: relative; border-radius: var(--radius); overflow: hidden; background: #0d5c31; box-shadow: var(--shadow); aspect-ratio: 16/9; }
.video-box iframe, .video-box video { width: 100%; height: 100%; border: 0; display: block; }
.video-fallback { position: relative; width: 100%; height: 100%; }
.video-fallback img { width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.video-fallback .vf-mask { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; color: #fff; text-align: center; padding: 20px; }
.vf-play { width: 74px; height: 74px; border-radius: 50%; background: rgba(255,255,255,.16); border: 2px solid rgba(255,255,255,.6); display: flex; align-items: center; justify-content: center; }
.vf-play svg { width: 30px; height: 30px; margin-left: 4px; }
.video-fallback .vf-mask p { font-size: 14.5px; color: rgba(255,255,255,.92); }
.video-fallback .vf-mask small { font-size: 12px; color: rgba(255,255,255,.6); }

/* 富文本内容 */
.rich { font-size: 15px; color: var(--c-text); }
.rich h3 { font-size: 20px; margin: 26px 0 12px; padding-left: 12px; border-left: 4px solid var(--c-primary); line-height: 1.4; }
.rich h4 { font-size: 16.5px; margin: 20px 0 10px; color: var(--c-primary-dark); }
.rich p { margin-bottom: 12px; color: var(--c-text2); }
.rich ul { margin: 0 0 14px 2px; }
.rich ul li { position: relative; padding-left: 20px; margin-bottom: 7px; color: var(--c-text2); }
.rich ul li::before { content: ''; position: absolute; left: 2px; top: 11px; width: 7px; height: 7px; border-radius: 2px; background: var(--c-primary-light); }
.rich ol { margin: 0 0 14px 22px; list-style: decimal; }
.rich ol li { margin-bottom: 7px; color: var(--c-text2); padding-left: 4px; }
.rich ol li::marker { color: var(--c-primary); font-weight: 700; }
.rich blockquote { background: rgba(30, 179, 85,.07); border-left: 4px solid var(--c-primary-light); border-radius: 0 10px 10px 0; padding: 14px 18px; margin: 0 0 16px; color: var(--c-primary-dark); font-size: 14px; }
.rich img { border-radius: 10px; margin: 14px 0; }
.rich strong { color: var(--c-primary-dark); }
.rich .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 0 18px; border-radius: 10px; border: 1px solid var(--c-green-200); }
.rich table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 520px; }
.rich th { background: var(--c-green-100); color: var(--c-primary-dark); font-weight: 700; }
.rich th, .rich td { padding: 11px 14px; border-bottom: 1px solid var(--c-green-100); text-align: left; }
.rich tr:last-child td { border-bottom: 0; }
.rich tbody tr:nth-child(even) { background: var(--c-green-50); }
.rich-figure figcaption { text-align: center; font-size: 12.5px; color: #8fa79a; margin-top: 6px; }

/* 对比区：高亮第二列（红泥沼气袋） */
.cmp .rich table { min-width: 620px; }
.cmp .rich table tr:first-child th { background: var(--c-green-100); }
.cmp .rich table tr:first-child th:nth-child(2) { background: rgba(30, 179, 85,.24); color: var(--c-primary-dark); }
.cmp .rich tbody td:nth-child(2) { background: rgba(30, 179, 85,.09); font-weight: 600; color: var(--c-primary-dark); }
.cmp-note { background: var(--c-green-100); border: 1px solid var(--c-green-200); border-radius: 10px; padding: 14px 18px; font-size: 13.5px; color: var(--c-text2); margin-bottom: 18px; }
.cmp-note svg { width: 16px; height: 16px; vertical-align: -3px; margin-right: 6px; color: var(--c-primary); }

/* 规格参数 */
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.spec-item { background: #fff; border: 1px solid var(--c-green-100); border-radius: 10px; padding: 14px 18px; }
.spec-item .sk { font-size: 12.5px; color: var(--c-text3); }
.spec-item .sv { font-size: 15px; font-weight: 600; color: var(--c-text); margin-top: 2px; }

/* 详情侧栏 */
.pd-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 34px; align-items: start; }
/* 网格子项允许收缩到 0：防止 .rich 内宽表格（min-width:520px）的 min-content
  把网格轨道撑爆，进而在手机端造成整页横向溢出（grid 项默认 min-width:auto） */
.pd-main { min-width: 0; }
.pd-aside { position: sticky; top: calc(var(--header-h) + 16px); display: grid; gap: 20px; min-width: 0; }
.aside-card { background: #fff; border: 1px solid var(--c-green-100); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-soft); }
.aside-card h3 { font-size: 16px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--c-green-100); }
.aside-list li { border-bottom: 1px dashed var(--c-green-100); }
.aside-list li:last-child { border-bottom: 0; }
.aside-list a { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 10px 2px; font-size: 14px; color: var(--c-text2); }
.aside-list a:hover { color: var(--c-primary-dark); }
.aside-list .ar { font-size: 12px; color: #a9c4b0; }
.aside-contact { background: var(--c-grad); color: #fff; border: 0; }
.aside-contact h3 { color: #fff; border-bottom-color: rgba(255,255,255,.2); }
.aside-contact li { display: flex; gap: 10px; align-items: flex-start; padding: 7px 0; font-size: 13.5px; color: rgba(255,255,255,.94); }
.aside-contact svg { width: 17px; height: 17px; flex: none; margin-top: 3px; }
.aside-contact .btn { width: 100%; margin-top: 12px; background: #fff; color: var(--c-primary-dark); }
.aside-contact .btn:hover { color: var(--c-primary); }

/* ---------------- 文章详情 ---------------- */
.article-page { max-width: 860px; margin: 0 auto; background: #fff; border-radius: var(--radius); border: 1px solid var(--c-green-100); box-shadow: var(--shadow-soft); padding: 40px 46px; }
.article-page .a-cover { border-radius: 12px; overflow: hidden; margin: 18px 0 24px; }
.article-page .a-cover img { width: 100%; aspect-ratio: 16/8; object-fit: cover; }
.article-page h1 { font-size: 27px; line-height: 1.4; }
.article-meta { display: flex; gap: 20px; flex-wrap: wrap; font-size: 13px; color: #8fa79a; margin-top: 12px; }
.article-meta svg { width: 14px; height: 14px; vertical-align: -2px; }
.article-nav { display: flex; justify-content: space-between; gap: 20px; margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--c-green-100); font-size: 14px; }
.article-nav a:hover { color: var(--c-primary-dark); }

/* ---------------- 联系我们 ---------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 34px; align-items: start; }
.contact-card { background: #fff; border: 1px solid var(--c-green-100); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-soft); }
.contact-card h3 { font-size: 17px; margin-bottom: 16px; }
.contact-card ul li { display: flex; gap: 12px; padding: 11px 0; border-bottom: 1px dashed var(--c-green-100); font-size: 14px; color: var(--c-text2); align-items: flex-start; }
.contact-card li:last-child { border-bottom: 0; }
.contact-card .ci { width: 36px; height: 36px; border-radius: 10px; background: rgba(30, 179, 85,.11); color: var(--c-primary-dark); display: flex; align-items: center; justify-content: center; flex: none; }
.contact-card .ci svg { width: 18px; height: 18px; }
.contact-card b { display: block; font-size: 12.5px; color: #8fa79a; font-weight: 500; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-item { display: flex; flex-direction: column; gap: 6px; }
.form-item.full { grid-column: 1 / -1; }
.form-item label { font-size: 13.5px; font-weight: 600; color: var(--c-text2); }
.form-item label i { color: #dc2626; font-style: normal; margin-left: 2px; }
.form-item input, .form-item textarea, .form-item select {
  padding: 11px 14px; border: 1px solid var(--c-border); border-radius: 9px; font-size: 14px;
  font-family: inherit; outline: none; background: #fff; transition: border-color .2s, box-shadow .2s;
}
.form-item textarea { min-height: 120px; resize: vertical; }
.form-item input:focus, .form-item textarea:focus, .form-item select:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(30, 179, 85,.14); }

/* 提示条 */
.notice { padding: 13px 16px; border-radius: 10px; font-size: 14px; margin-bottom: 18px; display: flex; gap: 10px; align-items: flex-start; }
.notice-ok { background: #eafaee; color: #0e8a3f; border: 1px solid #8fe6b0; }
.notice-err { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

/* ---------------- 产品列表页 ---------------- */
.page-head { background: var(--c-grad); color: #fff; padding: 56px 0 48px; text-align: center; }
.page-head h1 { font-size: 31px; letter-spacing: 1px; }
.page-head p { color: rgba(255,255,255,.85); margin-top: 10px; font-size: 14.5px; }
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin: -22px auto 34px; position: relative; z-index: 4; }
.filter-bar a { background: #fff; border: 1px solid var(--c-border); padding: 8px 18px; border-radius: 99px; font-size: 14px; color: var(--c-text2); box-shadow: 0 4px 12px rgba(30, 120, 60,.06); }
.filter-bar a:hover, .filter-bar a.active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }

/* 分页 */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 44px; flex-wrap: wrap; }
.pagination a, .pagination span { min-width: 40px; padding: 8px 14px; border-radius: 9px; font-size: 14px; text-align: center; border: 1px solid var(--c-border); background: #fff; color: var(--c-text2); }
.pagination a:hover { border-color: var(--c-primary); color: var(--c-primary-dark); }
.pagination .cur { background: var(--c-primary); border-color: var(--c-primary); color: #fff; font-weight: 600; }
.pagination .disabled { color: #c6e3cd; pointer-events: none; }

/* ---------------- 页脚 ---------------- */
.footer { background: #0b5c30; color: rgba(255,255,255,.78); margin-top: 76px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding: 56px 0 42px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; letter-spacing: .5px; position: relative; padding-bottom: 10px; }
.footer h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 28px; height: 3px; border-radius: 2px; background: var(--c-primary-light); }
.footer-col p { font-size: 13.5px; line-height: 1.9; }
.footer-col ul li { margin-bottom: 9px; font-size: 13.5px; }
.footer-col a:hover { color: #9ef0b0; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; margin-bottom: 10px; }
.footer-contact svg { width: 16px; height: 16px; color: var(--c-primary-light); flex: none; margin-top: 4px; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo .logo-mark { width: 38px; height: 38px; }
.footer-logo strong { color: #fff; font-size: 17px; }

/* 友情链接 */
.links-bar { border-top: 1px solid rgba(255,255,255,.1); padding: 18px 0; }
.links-bar .lb-title { font-size: 13.5px; color: #fff; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.links-bar .lb-title svg { width: 15px; height: 15px; color: var(--c-primary-light); }
.links-list { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 13px; }
.links-list a { color: rgba(255,255,255,.66); }
.links-list a:hover { color: #9ef0b0; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 18px 0 22px; font-size: 12.5px; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; }
.footer-bottom a { color: rgba(255,255,255,.78); }
.footer-bottom a:hover { color: #9ef0b0; }
.footer-bottom .fb-icp { display: flex; gap: 18px; flex-wrap: wrap; }

/* 回到顶部 / 移动端工具条 */
.backtop { position: fixed; right: 22px; bottom: 26px; width: 46px; height: 46px; border-radius: 12px; background: var(--c-grad); color: #fff; border: 0; cursor: pointer; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 22px rgba(30, 179, 85,.4); opacity: 0; visibility: hidden; transition: all .25s; z-index: 90; }
.backtop.show { opacity: 1; visibility: visible; }
.backtop svg { width: 20px; height: 20px; }
.backtop:hover { transform: translateY(-3px); }

/* 404 */
.notfound { text-align: center; padding: 90px 20px; }
.notfound h1 { font-size: 90px; background: var(--c-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1.1; }
.notfound p { color: var(--c-text3); margin: 14px 0 26px; }

/* 网站地图（HTML）——注意：必须位于响应式 @media 之前，否则断点覆盖会失效 */
.sitemap-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.sitemap-card { background: #fff; border: 1px solid var(--c-green-100); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-soft); min-width: 0; }
.sitemap-card h3 { font-size: 16px; margin-bottom: 12px; padding-bottom: 10px; border-bottom: 1px solid var(--c-green-100); display: flex; align-items: center; gap: 8px; }
.sitemap-card h3 svg { width: 17px; height: 17px; color: var(--c-primary-dark); }
.sitemap-card li { border-bottom: 1px dashed var(--c-green-100); }
.sitemap-card li:last-child { border-bottom: 0; }
.sitemap-card a { display: flex; align-items: center; gap: 8px; padding: 9px 2px; font-size: 14px; color: var(--c-text2); min-width: 0; }
.sitemap-card a:hover { color: var(--c-primary-dark); }
.sitemap-card a::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--c-primary-light); flex: none; }
.sitemap-card .sm-date { margin-left: auto; font-size: 12px; color: #a9c4b0; flex: none; }
/* 分类标签（站内互链） */
.sitemap-card .sm-cats { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.sitemap-card .sm-cats a { display: inline-block; padding: 3px 12px; font-size: 12.5px; gap: 0; color: var(--c-primary-dark); background: rgba(30, 179, 85,.11); border-radius: 99px; }
.sitemap-card .sm-cats a::before { content: none; }
.sitemap-card .sm-cats a:hover { background: var(--c-primary); color: #fff; }
/* 分组标题作为链接时保持标题外观 */
.sitemap-card h3 a { display: inline-flex; align-items: center; gap: 8px; padding: 0; font-size: inherit; color: inherit; }
.sitemap-card h3 a::before { content: none; }
.sitemap-card h3 a:hover { color: var(--c-primary-dark); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .art-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .adv-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-top { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 30px; }
  .pd-layout { grid-template-columns: minmax(0, 1fr); }
  .pd-aside { position: static; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .about-wrap { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .feat { grid-template-columns: minmax(0, 1fr); gap: 30px; padding: 32px; }
  .hero h1 { font-size: 34px; }
  .nav > li > a { padding: 8px 10px; font-size: 14px; }
}
@media (max-width: 860px) {
  .nav { display: none; }
  .hamburger { display: flex; }
  .mobile-nav.open { display: block; }
  .hero-inner { padding: 68px 0 78px; }
  .hero h1 { font-size: 29px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: 0; }
  .stat-item:nth-child(-n+2) { border-bottom: 1px solid var(--c-green-100); }
  .pd-head { grid-template-columns: 1fr; gap: 26px; }
  .contact-grid { grid-template-columns: 1fr; }
  .article-page { padding: 26px 20px; }
  .sitemap-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 52px 0; }
  .sec-title { font-size: 24px; }
  .band { padding: 30px 26px; }
  .band h3 { font-size: 20px; }
  .feat-body h2 { font-size: 25px; }
  .quick-cmp { overflow-x: auto; }
  .quick-cmp table { min-width: 560px; }
}
@media (max-width: 560px) {
  body { font-size: 14px; }
  .sitemap-grid { grid-template-columns: minmax(0, 1fr); }
  .art-grid, .adv-grid, .spec-grid, .feat-points { grid-template-columns: minmax(0, 1fr); }
  .form-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-top { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .hero h1 { font-size: 25px; }
  .hero p { font-size: 14.5px; }
  .hero-quick { gap: 8px 18px; }
  .stat-num { font-size: 24px; }
  .pd-info h1 { font-size: 23px; }
  .sec-head-left { flex-direction: column; align-items: flex-start; }
  .aux-head { flex-wrap: wrap; }
  .aux-head .aux-line { display: none; }
  .pd-aside { grid-template-columns: minmax(0, 1fr); }
  /* 手机端顶条只留电话，欢迎语换行太占地 */
  .topbar .tb-time { display: none; }
  .topbar .container { justify-content: center; }
  .backtop { right: 14px; bottom: 16px; }
  .about-points { grid-template-columns: minmax(0, 1fr); }
  /* 手机端：普通三列表格不再强制 520px 最小宽，能完整显示就不横滚；
     真正宽的表（如全方位对比）仍由 .table-wrap 承接横滚 */
  .rich table { min-width: 340px; }
  .cmp .rich table { min-width: 560px; }
  .feat { padding: 22px; }
  .feat-stats { gap: 8px; }
  .feat-stat { min-width: 96px; padding: 8px 12px; }
  .feat-btns .btn { flex: 1; }
}

/* 无障碍：跳到主要内容 */
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 999; background: var(--c-primary-dark); color: #fff; padding: 10px 18px; border-radius: 0 0 10px 0; }
.skip-link:focus { left: 0; color: #fff; }

/* 内联小图标尺寸约束（防止无宽高的 SVG 被浏览器按 100% 撑大） */
.hero-badge svg { width: 15px; height: 15px; flex: none; }
.pd-share svg { width: 14px; height: 14px; flex: none; vertical-align: -2px; margin-right: 5px; }
.aside-list a > span:first-child svg { width: 15px; height: 15px; flex: none; vertical-align: -3px; margin-right: 4px; }
.a-tag svg { width: 13px; height: 13px; flex: none; vertical-align: -2px; margin-right: 4px; }

/* 视频来源校验提示 */
.video-warn { display: flex; align-items: center; justify-content: center; height: 100%; padding: 24px; text-align: center; color: #ffe9a8; font-size: 14px; line-height: 1.9; }

/* 动画 */
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
.fade-up { animation: fadeUp .7s ease both; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } html { scroll-behavior: auto; } }