/* ==========================================================================
   宣传站样式（对外页专用，独立于后台 app.css）
   - 一级导航 + 二级大面板（mega panel）：交互参照 servechina.cn 的 nav-panel 思路
   - 页脚分区与信息层级：参照 zhubao.zerocod.cn 的 footer（品牌列 / 导航网格 / 二维码列 / 信任条 / 版权）
   - 场景配图为站内矢量图（无外部图库依赖），不出现境外人物与国外场景
   ========================================================================== */

body.iz-body {
  --iz-ink: #0d3d47;
  --iz-ink-2: #3d5b64;
  --iz-ink-3: #6f8791;
  --iz-line: #e0eaee;
  --iz-line-2: #eff5f7;
  --iz-bg: #f5f9fb;
  --iz-card: #ffffff;
  --iz-teal: #0e7c86;
  --iz-teal-2: #12a3b0;
  --iz-teal-3: #0a5c64;
  --iz-rust: #b4531f;
  --iz-rust-2: #d4763c;
  --iz-steel: #5f7883;
  --iz-ok: #1a9c6b;
  --iz-warn: #d98517;
  --iz-radius: 14px;
  --iz-shadow: 0 1px 2px rgba(13, 61, 71, .05), 0 10px 30px rgba(13, 61, 71, .06);
  --iz-shadow-lg: 0 28px 64px -28px rgba(13, 61, 71, .34), 0 4px 14px -8px rgba(13, 61, 71, .16);
  --iz-gutter: clamp(16px, 4vw, 40px);
  --iz-max: 1200px;

  margin: 0;
  background: var(--iz-card);
  color: var(--iz-ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

body.iz-body * { box-sizing: border-box; }
body.iz-body h1, body.iz-body h2, body.iz-body h3, body.iz-body h4 { margin: 0; font-weight: 700; line-height: 1.35; letter-spacing: -.01em; }
body.iz-body p { margin: 0; }
body.iz-body a { color: var(--iz-teal); text-decoration: none; }
body.iz-body a:hover { color: var(--iz-teal-2); }
body.iz-body img, body.iz-body svg { max-width: 100%; }
body.iz-body ul { margin: 0; padding: 0; list-style: none; }

.iz-container { width: 100%; max-width: var(--iz-max); margin: 0 auto; padding: 0 var(--iz-gutter); }
.iz-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.iz-skip {
  position: absolute; left: 12px; top: -60px; z-index: 200; background: var(--iz-ink); color: #fff;
  padding: 9px 16px; border-radius: 0 0 10px 10px; transition: top .15s;
}
.iz-skip:focus { top: 0; color: #fff; }

/* ============================ 一、页头与导航 ============================ */
.iz-header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255, 255, 255, .93);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--iz-line);
}
.iz-header-inner {
  display: flex; align-items: center; gap: 14px;
  min-height: 66px; padding: 0 var(--iz-gutter); max-width: calc(var(--iz-max) + 160px); margin: 0 auto;
}
.iz-logo { display: flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.iz-logo-mark {
  width: 38px; height: 38px; border-radius: 11px; flex: 0 0 auto;
  background: linear-gradient(135deg, var(--iz-teal-2), #16c0cf 70%, #0e7c86);
  color: #fff; font-weight: 800; font-size: 15px; letter-spacing: .5px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 16px -6px rgba(18, 163, 176, .8);
}
.iz-logo-copy { display: flex; flex-direction: column; line-height: 1.25; }
.iz-logo-text { font-size: 16px; font-weight: 800; color: var(--iz-ink); letter-spacing: .2px; }
.iz-logo-sub { font-size: 11.5px; color: var(--iz-ink-3); letter-spacing: .4px; }

.iz-nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.iz-nav > .iz-nav-item { position: relative; }
.iz-nav-link {
  display: inline-flex; align-items: center; gap: 5px; padding: 9px 12px; border-radius: 9px;
  font-size: 14.5px; font-weight: 600; color: var(--iz-ink-2); white-space: nowrap; transition: background .15s, color .15s;
}
.iz-nav-link:hover, .iz-nav-item.is-open > .iz-nav-link { background: var(--iz-line-2); color: var(--iz-teal-3); }
.iz-nav-carets { width: 7px; height: 7px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translate(-1px, -1px); opacity: .55; transition: transform .2s; }
.iz-nav-item.is-open .iz-nav-carets { transform: rotate(225deg) translate(-1px, -1px); opacity: .9; }

/* 二级大面板 */
.iz-panel {
  position: absolute; top: calc(100% + 6px); left: 50%; z-index: 95;
  width: min(46rem, calc(100vw - 2 * var(--iz-gutter)));
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateX(-50%) translateY(-.35rem);
  transition: opacity .16s ease, transform .18s ease, visibility .16s ease;
}
.iz-nav-item.is-open > .iz-panel,
.iz-nav-item:hover > .iz-panel,
.iz-nav-item:focus-within > .iz-panel { opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.iz-panel-card {
  display: grid; grid-template-columns: minmax(0, 1fr) 15.5rem; gap: 1.3rem;
  padding: 1.2rem; background: #fff; border: 1px solid var(--iz-line); border-radius: 16px; box-shadow: var(--iz-shadow-lg);
}
.iz-panel-links { display: grid; grid-template-columns: minmax(0, 1fr); align-content: start; row-gap: .05rem; }
.iz-panel-links--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 1.1rem; }
.iz-panel-links > a { display: grid; gap: .1rem; padding: .5rem .65rem; border-radius: 9px; white-space: normal; }
.iz-panel-links > a:hover { background: rgba(14, 124, 134, .06); }
.iz-panel-links strong { font-size: 13.8px; font-weight: 700; color: var(--iz-ink); }
.iz-panel-links em { font-style: normal; font-size: 12.2px; line-height: 1.45; color: var(--iz-ink-3); }
.iz-panel-group { grid-column: 1 / -1; margin: .5rem 0 .05rem; padding: .55rem .65rem 0; border-top: 1px solid var(--iz-line); font-size: 11.8px; font-weight: 700; letter-spacing: .1em; color: var(--iz-ink-3); }
.iz-panel-group:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.iz-panel-feature { display: grid; gap: .45rem; align-content: start; padding: .55rem .55rem .7rem; background: #f4f9fa; border-radius: 12px; }
.iz-panel-feature img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 9px; }
.iz-panel-feature strong, .iz-panel-feature em, .iz-panel-feature .iz-panel-cta { padding: 0 .4rem; }
.iz-panel-feature strong { font-size: 13.6px; color: var(--iz-ink); }
.iz-panel-feature em { font-style: normal; font-size: 12.2px; color: var(--iz-ink-3); line-height: 1.5; }
.iz-panel-cta { font-size: 12.6px; font-weight: 700; color: var(--iz-teal); }

.iz-header-cta {
  flex: 0 0 auto; margin-left: 8px; padding: 9px 16px; border-radius: 10px; font-size: 14px; font-weight: 700;
  background: linear-gradient(135deg, var(--iz-teal-2), var(--iz-teal)); color: #fff;
  box-shadow: 0 8px 20px -10px rgba(14, 124, 134, .9);
}
.iz-header-cta:hover { color: #fff; filter: brightness(1.06); }
.iz-nav-toggle { display: none; width: 42px; height: 40px; border: 1px solid var(--iz-line); background: #fff; border-radius: 10px; flex-direction: column; align-items: center; justify-content: center; gap: 4px; cursor: pointer; }
.iz-nav-toggle span { display: block; width: 18px; height: 2px; background: var(--iz-ink-2); border-radius: 2px; }

/* ============================ 二、首屏轮播 ============================ */
.iz-hero { position: relative; overflow: hidden; background: #0d3d47; }
.iz-hero-viewport { position: relative; aspect-ratio: 16 / 6.6; min-height: 380px; max-height: 620px; }
.iz-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .7s ease; }
.iz-slide.is-on { opacity: 1; }
.iz-slide img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.iz-slide-shade {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(8, 38, 46, .93) 0%, rgba(8, 38, 46, .78) 38%, rgba(8, 38, 46, .34) 66%, rgba(8, 38, 46, .12) 100%);
}
.iz-slide-copy {
  position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center;
  max-width: 680px; color: #eaf7f8; padding: 40px 0;
}
.iz-slide-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 700; letter-spacing: .16em; color: #7fd9e2; text-transform: uppercase; }
.iz-slide-eyebrow::before { content: ""; width: 26px; height: 2px; background: #7fd9e2; }
.iz-slide-copy h1, .iz-slide-copy .iz-slide-title { font-size: clamp(26px, 3.4vw, 42px); margin: 14px 0 14px; color: #fff; font-weight: 700; line-height: 1.25; }
.iz-slide-copy h1 b, .iz-slide-copy .iz-slide-title b { color: #6fe0ea; }
.iz-slide-copy p { font-size: clamp(14px, 1.15vw, 16.5px); color: #b9dbdf; max-width: 620px; }
.iz-slide-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.iz-slide-tags span { font-size: 12.5px; padding: 4px 11px; border-radius: 20px; background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .2); color: #d8eef1; }
.iz-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }

.iz-hero-ui { position: absolute; z-index: 3; left: 0; right: 0; bottom: 20px; }
.iz-hero-ui-inner { display: flex; align-items: center; gap: 14px; }
.iz-dots { display: flex; gap: 8px; margin-left: auto; }
.iz-dot { width: 30px; height: 4px; border-radius: 4px; background: rgba(255, 255, 255, .32); border: 0; padding: 0; cursor: pointer; transition: background .18s, width .18s; }
.iz-dot.is-on { background: #6fe0ea; width: 46px; }
.iz-hero-hint { font-size: 12.5px; color: rgba(233, 247, 249, .72); }

/* 首屏下方要点条 */
.iz-hero-bar { background: var(--iz-ink); color: #cfe6ea; }
.iz-hero-bar-inner { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.iz-hero-bar-item { padding: 18px 22px; border-right: 1px solid rgba(255, 255, 255, .09); }
.iz-hero-bar-item:last-child { border-right: 0; }
.iz-hero-bar-item b { display: block; font-size: 21px; color: #7fe2ea; letter-spacing: .3px; }
.iz-hero-bar-item span { font-size: 12.8px; color: #a9cbd1; }

/* ============================ 二·五、页内二级导航条 ============================ */
.iz-subnav {
  position: sticky; top: 66px; z-index: 70;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--iz-line);
  box-shadow: 0 8px 20px -18px rgba(13, 61, 71, .55);
}
.iz-subnav-inner { display: flex; gap: 6px; overflow-x: auto; padding: 9px 0; scrollbar-width: none; }
.iz-subnav-inner::-webkit-scrollbar { display: none; }
.iz-subnav a {
  flex: 0 0 auto; padding: 7px 14px; border-radius: 20px; font-size: 13.4px; font-weight: 600;
  color: var(--iz-ink-2); border: 1px solid transparent; white-space: nowrap; transition: .15s;
}
.iz-subnav a:hover { background: var(--iz-line-2); color: var(--iz-teal-3); }
.iz-subnav a.is-on { background: linear-gradient(135deg, var(--iz-teal-2), var(--iz-teal)); color: #fff; box-shadow: 0 6px 16px -10px rgba(14, 124, 134, .95); }

/* 滚动入场 */
[data-iz-reveal] { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
[data-iz-reveal].is-in { opacity: 1; transform: none; }

/* ============================ 三、区块与版式 ============================ */
.iz-section { padding: clamp(48px, 6vw, 86px) 0; }
.iz-section--tight { padding: clamp(34px, 4vw, 56px) 0; }
.iz-section--alt { background: var(--iz-bg); }
.iz-section--dark { background: linear-gradient(160deg, #0d3d47, #082a32); color: #d6e9ec; }
.iz-section--dark .iz-h2, .iz-section--dark .iz-eyebrow { color: #fff; }
.iz-section--dark .iz-lead { color: #a9cbd1; }

.iz-head { max-width: 780px; margin-bottom: 30px; }
.iz-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.iz-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 700; letter-spacing: .16em; color: var(--iz-teal); text-transform: uppercase; }
.iz-eyebrow::before { content: ""; width: 24px; height: 2px; background: currentColor; }
.iz-head--center .iz-eyebrow::before { display: none; }
.iz-h2 { font-size: clamp(21px, 2.3vw, 30px); margin: 12px 0 12px; }
.iz-h3 { font-size: 17px; margin-bottom: 8px; }
.iz-lead { color: var(--iz-ink-2); font-size: 15px; }
.iz-muted { color: var(--iz-ink-3); }
.iz-small { font-size: 12.8px; }

.iz-grid { display: grid; gap: 18px; }
.iz-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.iz-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.iz-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.iz-grid--auto { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

.iz-card { background: var(--iz-card); border: 1px solid var(--iz-line); border-radius: var(--iz-radius); box-shadow: var(--iz-shadow); overflow: hidden; display: flex; flex-direction: column; }
.iz-card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.iz-card-media { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: #eaf3f6; }
.iz-card-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 11.8px; font-weight: 700; color: var(--iz-teal-3); background: #e6f5f7; border-radius: 20px; padding: 3px 10px; width: fit-content; }
.iz-card h3 { font-size: 16.5px; }
.iz-card p { font-size: 13.6px; color: var(--iz-ink-2); }
.iz-card-list { display: grid; gap: 6px; margin-top: 4px; }
.iz-card-list li { position: relative; padding-left: 17px; font-size: 13.2px; color: var(--iz-ink-2); }
.iz-card-list li::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 6px; border-radius: 50%; background: var(--iz-teal-2); }
.iz-card--flat { box-shadow: none; }

/* 场景图卡片 */
.iz-scene { position: relative; border-radius: var(--iz-radius); overflow: hidden; border: 1px solid var(--iz-line); background: #fff; box-shadow: var(--iz-shadow); }
.iz-scene img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.iz-scene-copy { padding: 15px 18px 18px; }
.iz-scene-copy h3 { font-size: 16px; margin-bottom: 6px; }
.iz-scene-copy p { font-size: 13.2px; color: var(--iz-ink-2); }
.iz-scene-badge { position: absolute; left: 14px; top: 14px; font-size: 11.6px; font-weight: 700; padding: 4px 11px; border-radius: 20px; background: rgba(255, 255, 255, .92); color: var(--iz-teal-3); backdrop-filter: blur(4px); }

/* 流程步骤 */
.iz-flow { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; counter-reset: izf; }
.iz-flow-step { position: relative; background: #fff; border: 1px solid var(--iz-line); border-radius: 12px; padding: 18px 16px 16px; box-shadow: var(--iz-shadow); }
.iz-flow-step b { display: flex; align-items: center; gap: 8px; font-size: 14.6px; color: var(--iz-ink); }
.iz-flow-step b i { font-style: normal; width: 24px; height: 24px; flex: 0 0 auto; border-radius: 8px; background: linear-gradient(135deg, var(--iz-teal-2), var(--iz-teal)); color: #fff; font-size: 12.5px; font-weight: 800; display: inline-flex; align-items: center; justify-content: center; }
.iz-flow-step p { margin-top: 8px; font-size: 12.8px; color: var(--iz-ink-3); }
.iz-flow-step::after { content: ""; position: absolute; right: -9px; top: 30px; width: 9px; height: 2px; background: var(--iz-line); }
.iz-flow-step:last-child::after { display: none; }

/* 指标条 */
.iz-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.iz-stat { background: #fff; border: 1px solid var(--iz-line); border-radius: 12px; padding: 18px; box-shadow: var(--iz-shadow); }
.iz-stat b { display: block; font-size: 24px; color: var(--iz-teal-3); }
.iz-stat span { font-size: 12.8px; color: var(--iz-ink-3); }

/* 清单表 */
.iz-table-wrap { overflow-x: auto; border: 1px solid var(--iz-line); border-radius: var(--iz-radius); background: #fff; box-shadow: var(--iz-shadow); }
.iz-table { width: 100%; border-collapse: collapse; font-size: 13.4px; min-width: 640px; }
.iz-table th, .iz-table td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--iz-line-2); vertical-align: top; }
.iz-table thead th { background: #f6fafb; font-size: 12.8px; color: var(--iz-ink-2); font-weight: 700; white-space: nowrap; }
.iz-table tbody tr:last-child td { border-bottom: 0; }
.iz-table td strong { color: var(--iz-ink); }

/* FAQ */
.iz-faq { border: 1px solid var(--iz-line); border-radius: var(--iz-radius); background: #fff; overflow: hidden; box-shadow: var(--iz-shadow); }
.iz-faq details { border-bottom: 1px solid var(--iz-line-2); }
.iz-faq details:last-child { border-bottom: 0; }
.iz-faq summary { cursor: pointer; padding: 16px 20px; font-weight: 700; font-size: 15px; color: var(--iz-ink); display: flex; align-items: center; gap: 10px; list-style: none; }
.iz-faq summary::-webkit-details-marker { display: none; }
.iz-faq summary::after { content: "+"; margin-left: auto; font-size: 20px; font-weight: 400; color: var(--iz-teal); transition: transform .2s; }
.iz-faq details[open] summary::after { transform: rotate(45deg); }
.iz-faq .iz-faq-body { padding: 0 20px 18px; font-size: 13.8px; color: var(--iz-ink-2); }

/* 下载中心 */
.iz-dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.iz-dl-card { display: flex; gap: 15px; align-items: flex-start; background: #fff; border: 1px solid var(--iz-line); border-radius: var(--iz-radius); padding: 18px; box-shadow: var(--iz-shadow); }
.iz-dl-icon { width: 46px; height: 46px; flex: 0 0 auto; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 800; color: #fff; letter-spacing: .3px; }
.iz-dl-icon--xls { background: linear-gradient(135deg, #1f8a4c, #38a169); }
.iz-dl-icon--ppt { background: linear-gradient(135deg, #c0561f, #e07a3f); }
.iz-dl-icon--doc { background: linear-gradient(135deg, #2b6cb0, #4a90d9); }
.iz-dl-icon--pdf { background: linear-gradient(135deg, #b03030, #d05555); }
.iz-dl-meta { flex: 1; min-width: 0; }
.iz-dl-meta h3 { font-size: 15.4px; margin-bottom: 4px; }
.iz-dl-meta p { font-size: 12.9px; color: var(--iz-ink-2); }
.iz-dl-meta .iz-dl-info { margin-top: 8px; font-size: 12px; color: var(--iz-ink-3); display: flex; gap: 10px; flex-wrap: wrap; }
.iz-dl-actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.iz-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 9px 16px; border-radius: 10px; font-size: 14px; font-weight: 700; cursor: pointer;
  border: 1px solid var(--iz-line); background: #fff; color: var(--iz-ink); transition: .15s; white-space: nowrap;
}
.iz-btn:hover { border-color: var(--iz-teal-2); color: var(--iz-teal-3); }
.iz-btn--primary { background: linear-gradient(135deg, var(--iz-teal-2), var(--iz-teal)); border-color: transparent; color: #fff; box-shadow: 0 10px 24px -12px rgba(14, 124, 134, .95); }
.iz-btn--primary:hover { color: #fff; filter: brightness(1.06); }
.iz-btn--on-dark { background: transparent; border-color: rgba(255, 255, 255, .34); color: #e6f5f7; }
.iz-btn--on-dark:hover { color: #fff; border-color: #7fe2ea; background: rgba(255, 255, 255, .08); }
.iz-btn--sm { padding: 6px 12px; font-size: 12.8px; border-radius: 8px; }

/* 联系区 */
.iz-contact { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 26px; align-items: center; }
.iz-contact-phone { font-size: clamp(26px, 3vw, 36px); font-weight: 800; color: #fff; letter-spacing: .5px; font-variant-numeric: tabular-nums; }
.iz-contact-phone a { color: inherit; }
.iz-contact-tag { display: inline-block; vertical-align: middle; margin-left: 10px; font-size: 12.6px; font-weight: 700; padding: 3px 12px; border-radius: 20px; background: rgba(127, 226, 234, .18); color: #7fe2ea; border: 1px solid rgba(127, 226, 234, .4); }
.iz-contact-qr { display: flex; gap: 18px; align-items: center; justify-content: flex-end; }
.iz-contact-qr figure { margin: 0; text-align: center; }
.iz-contact-qr img { display: block; width: 150px; height: 150px; border-radius: 12px; background: #fff; padding: 6px; }
.iz-contact-qr figcaption { font-size: 12.4px; color: #a9cbd1; margin-top: 8px; }
.iz-contact-list { display: grid; gap: 7px; margin-top: 18px; font-size: 13.6px; color: #b9dbdf; }
.iz-contact-list b { color: #e6f5f7; font-weight: 700; }

/* ============================ 四、页脚（按 zhubao 布局） ============================ */
.iz-footer { background: #082a32; color: #a9cbd1; font-size: 13.4px; }
.iz-footer-topline { height: 3px; background: linear-gradient(90deg, #0e7c86, #12a3b0 34%, #6fe0ea 62%, rgba(111, 224, 234, 0)); }
.iz-footer-main { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 2.1fr) minmax(0, .9fr); gap: 34px; padding: 46px 0 34px; }
.iz-footer-brand { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.iz-footer-logo { display: flex; align-items: center; gap: 10px; }
.iz-footer-logo .iz-logo-mark { box-shadow: none; }
.iz-footer-logo-text { display: flex; flex-direction: column; line-height: 1.3; }
.iz-footer-logo-text b { color: #fff; font-size: 15.4px; }
.iz-footer-logo-text span { color: #7fa6ad; font-size: 11.8px; }
.iz-footer-slogan { color: #8fb4bb; font-size: 13px; max-width: 320px; }
.iz-footer-cta { display: inline-flex; align-items: center; gap: 7px; padding: 9px 16px; border-radius: 10px; background: linear-gradient(135deg, var(--iz-teal-2), var(--iz-teal)); color: #fff; font-weight: 700; font-size: 13.6px; }
.iz-footer-cta:hover { color: #fff; filter: brightness(1.08); }
.iz-footer-nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.iz-footer-col h4 { color: #fff; font-size: 13.6px; margin-bottom: 12px; letter-spacing: .04em; }
.iz-footer-col ul { display: grid; gap: 9px; }
.iz-footer-col a { color: #9fc1c7; font-size: 13.2px; }
.iz-footer-col a:hover { color: #7fe2ea; }
.iz-footer-qr { display: flex; justify-content: flex-end; }
.iz-footer-qr figure { margin: 0; }
.iz-footer-qr img { display: block; width: 108px; height: 108px; border-radius: 10px; background: #fff; padding: 5px; }
.iz-footer-qr figcaption { margin-top: 9px; font-size: 12px; color: #8fb4bb; line-height: 1.5; max-width: 160px; }
.iz-footer-qr figcaption b { display: block; color: #dbeef1; font-size: 12.8px; }

.iz-footer-trust { border-top: 1px solid rgba(255, 255, 255, .08); padding: 20px 0; display: flex; flex-wrap: wrap; gap: 12px 22px; align-items: center; }
.iz-footer-trust-line { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; font-size: 13px; color: #cfe6ea; }
.iz-footer-trust-line b { color: #fff; }
.iz-footer-sep { opacity: .45; }
.iz-footer-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-left: auto; }
.iz-footer-badges li { font-size: 12.2px; padding: 4px 11px; border-radius: 20px; background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .12); color: #cfe6ea; }
.iz-footer-meta { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; font-size: 12.8px; color: #8fb4bb; margin-top: 4px; }
.iz-footer-meta a { color: #9fc1c7; }
.iz-footer-meta a:hover { color: #7fe2ea; }

.iz-footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding: 16px 0 22px; display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; font-size: 12.6px; color: #7fa6ad; }
.iz-footer-bottom .corp-link { color: #9fc1c7; }
.iz-footer-bottom .corp-link:hover { color: #7fe2ea; }
.iz-footer-links { display: flex; flex-wrap: wrap; gap: 14px; margin-left: auto; }

/* 移动端底部快捷联系条（参照 zhubao 的 mobile-contact-bar） */
.iz-mobile-bar { display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 80; background: rgba(8, 42, 50, .96); backdrop-filter: blur(10px); border-top: 1px solid rgba(255, 255, 255, .1); }
.iz-mobile-bar-inner { display: grid; grid-template-columns: repeat(3, 1fr); }
.iz-mobile-bar a { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 9px 4px; color: #cfe6ea; font-size: 11.8px; }
.iz-mobile-bar a:hover { color: #7fe2ea; }
.iz-mobile-bar i { font-style: normal; font-size: 16px; }

/* 移动端抽屉导航 */
.iz-drawer { position: fixed; inset: 0; z-index: 120; display: none; }
.iz-drawer.is-on { display: block; }
.iz-drawer-mask { position: absolute; inset: 0; background: rgba(8, 42, 50, .55); }
.iz-drawer-panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(88vw, 380px); background: #fff; overflow-y: auto; padding: 16px 0 90px; }
.iz-drawer-head { display: flex; align-items: center; gap: 10px; padding: 0 18px 14px; border-bottom: 1px solid var(--iz-line); }
.iz-drawer-close { margin-left: auto; width: 36px; height: 36px; border-radius: 9px; border: 1px solid var(--iz-line); background: #fff; font-size: 18px; cursor: pointer; color: var(--iz-ink-2); }
.iz-drawer-group { padding: 14px 18px 6px; font-size: 11.8px; font-weight: 700; letter-spacing: .12em; color: var(--iz-ink-3); }
.iz-drawer a.iz-drawer-link { display: block; padding: 10px 18px; font-size: 14.4px; font-weight: 600; color: var(--iz-ink); border-bottom: 1px solid var(--iz-line-2); }
.iz-drawer a.iz-drawer-link:hover { background: #f4f9fa; }

/* ============================ 五、响应式 ============================ */
@media (max-width: 1080px) {
  .iz-footer-main { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .iz-footer-qr { justify-content: flex-start; grid-column: 1 / -1; }
  .iz-flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .iz-flow-step::after { display: none; }
  .iz-hero-bar-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 960px) {
  .iz-nav, .iz-header-cta { display: none; }
  .iz-nav-toggle { display: flex; margin-left: auto; }
  .iz-hero-viewport { aspect-ratio: 16 / 10; min-height: 420px; }
  .iz-grid--3, .iz-grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .iz-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .iz-contact { grid-template-columns: minmax(0, 1fr); }
  .iz-contact-qr { justify-content: flex-start; }
  .iz-mobile-bar { display: block; }
  body.iz-body { padding-bottom: 62px; }
}
@media (max-width: 720px) {
  .iz-grid--2, .iz-grid--3, .iz-grid--4, .iz-grid--auto { grid-template-columns: minmax(0, 1fr); }
  .iz-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .iz-footer-main { grid-template-columns: minmax(0, 1fr); }
  .iz-footer-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .iz-hero-bar-inner { grid-template-columns: minmax(0, 1fr); }
  .iz-hero-bar-item { border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, .09); }
  .iz-footer-badges, .iz-footer-links { margin-left: 0; }
  .iz-dl-card { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  body.iz-body *, body.iz-body *::before, body.iz-body *::after { transition: none !important; animation: none !important; }
}

@media print {
  .iz-header, .iz-nav, .iz-mobile-bar, .iz-drawer, .iz-hero-ui, .iz-btn, .iz-dl-actions { display: none !important; }
  body.iz-body { font-size: 11pt; }
  .iz-section { padding: 12px 0; break-inside: avoid; }
  .iz-card, .iz-scene, .iz-faq, .iz-table-wrap { box-shadow: none; }
  .iz-section--dark, .iz-footer, .iz-hero { background: #fff !important; color: #000 !important; }
  .iz-footer a, .iz-section--dark a { color: #000 !important; }
}