/* IDHaven 官网设计系统。方向:A 精密仪器做骨架,B 的大数字做页头。
   绿色只属于「通过」信号(HANDOVER 纪律 1),别拿它做装饰。 */
:root {
  color-scheme: light dark;
  --canvas: #F3F4F8; --card: #FFFFFF; --ink: #26283A; --ink2: #62657C;
  --indigo: #454A7D; --tint: #454A7D; --soft: #E4E5F1; --mint: #1F8A64;
  --warn: #8F6417; --hair: rgba(38, 40, 58, .16); --hair2: rgba(38, 40, 58, .32);
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --gutter: 32px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #14151F; --card: #1E1F2E; --ink: #ECEDF5; --ink2: #A3A6BD;
    --tint: #9BA1DC; --soft: #303250; --mint: #2FD08C; --warn: #D9A441;
    --hair: rgba(255, 255, 255, .15); --hair2: rgba(255, 255, 255, .32);
  }
}
@media (max-width: 720px) { :root { --gutter: 16px; } }

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 16px; }
body { font: 16px/1.6 var(--sans); color: var(--ink); background: var(--canvas); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
.wrap { max-width: 1200px; margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }

/* 导航 */
.site-head { border-bottom: 1px solid var(--hair); background: var(--canvas); }
.site-head .wrap { display: flex; align-items: center; gap: 32px; min-height: 72px; }
.brand { font-size: 21px; font-weight: 800; letter-spacing: -.035em; text-decoration: none; }
.brand b { font-weight: 800; color: var(--tint); }
.site-nav { display: flex; gap: 26px; margin-left: auto; font: 600 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.site-nav a { text-decoration: none; color: var(--ink); padding: 8px 0; border-bottom: 2px solid transparent; }
.site-nav a:hover, .site-nav a[aria-current] { border-bottom-color: var(--tint); }
.dl { display: inline-block; background: var(--indigo); color: #fff; text-decoration: none; font-weight: 700; border-radius: 4px; }
.dl:hover { background: #393E6C; }
.dl-sm { font: 700 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 12px 15px; white-space: nowrap; }
.dl-lg { font-size: 16px; padding: 14px 24px; }
@media (max-width: 860px) {
  .site-head .wrap { flex-wrap: wrap; gap: 0 16px; padding-top: 12px; }
  .site-head .dl-sm { margin-left: auto; }
  .site-nav { order: 3; width: 100%; margin: 6px 0 4px; gap: 18px; font-size: 11px; letter-spacing: .06em; justify-content: space-between; }
}

/* 字阶 */
.eyebrow { font: 600 12px/1.4 var(--mono); letter-spacing: .13em; text-transform: uppercase; color: var(--ink2); }
.eyebrow.rule { display: flex; align-items: center; gap: 14px; }
.eyebrow.rule::after { content: ""; flex: 1; height: 1px; background: var(--hair2); }
h1, h2, h3 { font-weight: 800; letter-spacing: -.035em; line-height: 1.02; }
h1.head { font-size: clamp(36px, 4.4vw, 56px); letter-spacing: -.045em; line-height: 1; }
h2.head { font-size: clamp(27px, 3vw, 38px); letter-spacing: -.04em; line-height: 1.06; }
h3 { font-size: 19px; letter-spacing: -.025em; line-height: 1.15; }
.lede { font-size: clamp(16px, 1.3vw, 18px); line-height: 1.45; color: var(--ink2); max-width: 34em; }
.muted { color: var(--ink2); }
.small { font-size: 13.5px; line-height: 1.55; }
.mono { font-family: var(--mono); }
.prose { max-width: 42em; }
.prose p + p { margin-top: 14px; }
.textlink { font-weight: 600; text-underline-offset: 4px; }

/* 大数字 */
.giant { display: block; font-weight: 800; letter-spacing: -.065em; line-height: .8; font-size: clamp(84px, 12vw, 160px); margin-left: -.035em; white-space: nowrap; }
.giant-md { display: block; font-weight: 800; letter-spacing: -.06em; line-height: .86; font-size: clamp(54px, 8vw, 104px); margin-left: -.03em; white-space: nowrap; }
.giant-sm { display: block; font-weight: 800; letter-spacing: -.055em; line-height: .9; font-size: clamp(34px, 3.4vw, 44px); }
.giant-unit { font-size: .3em; letter-spacing: -.03em; margin-left: .12em; }
.indigo { color: var(--tint); }

/* 区块 */
section { padding: clamp(44px, 6vw, 76px) 0; }
section + section { border-top: 1px solid var(--hair); }
.block { background: var(--indigo); color: #fff; border-top: 0 !important; }
.block .eyebrow, .block .muted, .block .lede { color: #D5D7EA; }
.block + section { border-top: 0; }
.block .eyebrow.rule::after { background: rgba(255, 255, 255, .34); }
.block a.textlink { color: #fff; }
.block .dl { background: #fff; color: #2F335E; }
.block .dl:hover { background: #E4E5F1; }
.page-top { padding: clamp(32px, 4vw, 52px) 0 clamp(36px, 4.5vw, 56px); }
.stack > * + * { margin-top: 20px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 3.5vw, 44px); }
@media (max-width: 860px) { .split, .cols-3 { grid-template-columns: 1fr; } }

/* 首页主视觉 */
.hero { padding: clamp(32px, 4vw, 56px) 0 clamp(48px, 6vw, 80px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(28px, 4vw, 64px); align-items: center; }
.hero-copy > * + * { margin-top: 24px; }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; }
.pass { display: inline-flex; align-items: center; gap: 8px; font: 700 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--mint); border: 1.5px solid var(--mint); border-radius: 999px; padding: 8px 12px; }
.pass::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--mint); }
.fig-note { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px 20px; margin-top: 14px; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } }

/* 技术图 */
.tech { width: 100%; height: auto; overflow: visible; font-family: var(--mono); }
.tech text { fill: var(--ink2); font-size: 15px; font-weight: 600; letter-spacing: .02em; }
.tech text.strong { fill: var(--ink); font-weight: 700; }
.tech text.i { fill: var(--tint); font-weight: 700; }
.tech.hero-fig text { font-size: 18px; }
.fig-data { display: none; }
@media (max-width: 720px) {
  .tech text, .tech.hero-fig text { font-size: 26px; }
  .tech .lbl { display: none; }
  .fig-data { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; font-size: 14px; color: var(--ink2); }
  .fig-data b { display: block; font-size: 20px; color: var(--ink); letter-spacing: -.02em; }
}
.tech .tick { stroke: var(--ink2); stroke-width: .8; }
.tech .tick-b { stroke: var(--ink); stroke-width: 1.1; }
.tech .dim { stroke: var(--tint); stroke-width: 1.4; fill: none; }
.tech .dash { stroke: var(--tint); stroke-width: 1.4; stroke-dasharray: 6 5; fill: none; }
.tech .frame { fill: var(--card); stroke: var(--ink); stroke-width: 1.2; }
.tech .band { fill: var(--tint); opacity: .13; }
.tech .sil { fill: var(--soft); stroke: var(--ink2); stroke-width: 1; }
.tech .photo-edge { fill: none; stroke: var(--ink); stroke-width: 1.2; }

/* 数字条 */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 2px solid currentColor; margin-top: clamp(28px, 3.6vw, 44px); }
.stats > div { padding: 22px 24px 4px 0; }
.stats > div + div { border-left: 1px solid rgba(255, 255, 255, .3); padding-left: 24px; }
.stats p { margin-top: 10px; font-size: 14.5px; line-height: 1.45; }
section:not(.block) .stats > div + div { border-left-color: var(--hair); }
@media (max-width: 720px) {
  .stats { grid-template-columns: 1fr; }
  .stats > div + div { border-left: 0 !important; padding-left: 0; border-top: 1px solid rgba(128, 128, 150, .35); margin-top: 18px; }
}

/* 步骤 / 检查清单 */
.steps { counter-reset: s; }
.step { display: grid; grid-template-columns: 76px 1fr; gap: 8px 16px; padding: 26px 0; border-top: 1px solid var(--hair); }
@media (max-width: 720px) { .step { grid-template-columns: 34px 1fr; gap: 8px; } .cmp.ver td:first-child, .cmp.ver th:first-child { width: 96px; } }
.step:first-child { border-top: 2px solid var(--ink); }
.step .n { font: 600 13px/1.7 var(--mono); letter-spacing: .1em; color: var(--ink2); }
.step p { margin-top: 8px; color: var(--ink2); }
.step ul { margin: 10px 0 0 18px; color: var(--ink2); }
.cols-3 .card-t { border-top: 2px solid var(--ink); padding-top: 18px; }
.cols-3 .card-t p { margin-top: 10px; color: var(--ink2); font-size: 15px; }

/* 证件表 */
.dt { border-top: 2px solid var(--ink); }
.dr { display: grid; grid-template-columns: minmax(0, 1fr) 118px 210px 82px 18px; align-items: center; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--hair); text-decoration: none; }
a.dr:hover .nm { color: var(--tint); text-decoration: underline; text-underline-offset: 4px; }
.dr .nm { font-size: 16px; font-weight: 650; letter-spacing: -.015em; line-height: 1.25; }
.dr .sz { font: 700 14px/1 var(--mono); letter-spacing: -.01em; white-space: nowrap; }
.dr .bg { font-size: 13.5px; color: var(--ink2); line-height: 1.3; }
.dr .lv { font: 600 11.5px/1 var(--mono); letter-spacing: .06em; color: var(--ink2); }
.dr .lv.auth { color: var(--tint); }
.dr .ch { color: var(--ink2); font-size: 18px; text-align: right; }
.dr.hd { font: 600 12px/1 var(--mono); letter-spacing: .11em; text-transform: uppercase; color: var(--ink2); padding: 10px 0; }
@media (max-width: 720px) {
  .dr { grid-template-columns: minmax(0, 1fr) auto 14px; gap: 10px; }
  .dr .bg, .dr .lv { display: none; }
  .dr .nm { font-size: 15.5px; }
  .dr.hd { display: none; }
}
.az { display: flex; flex-wrap: wrap; gap: 4px; margin: 18px 0 8px; }
.az a { display: block; font: 700 13px/34px var(--mono); width: 34px; text-align: center; text-decoration: none; border: 1px solid var(--hair); border-radius: 3px; background: var(--card); }
.az a:hover { border-color: var(--tint); color: var(--tint); }
.az-letter { font-size: clamp(24px, 2.4vw, 30px); font-weight: 800; letter-spacing: -.04em; margin: 44px 0 10px; line-height: 1; }

/* 详情页 */
.crumb { font: 600 12px/1.4 var(--mono); letter-spacing: .06em; color: inherit; }
.crumb a { text-underline-offset: 3px; }
.detail-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
@media (max-width: 860px) { .detail-grid { grid-template-columns: 1fr; } }
.spec { border-top: 2px solid var(--ink); }
.spec > div { display: grid; grid-template-columns: 112px 1fr; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--hair); align-items: baseline; }
.spec dt { font: 600 12px/1.5 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink2); }
.spec dd { font-size: 15px; font-weight: 600; line-height: 1.35; }
.spec dd small { display: block; font: 500 13px/1.4 var(--mono); color: var(--ink2); margin-top: 3px; }
.source { margin-top: 26px; padding: 16px 18px; background: var(--card); border: 1px solid var(--hair); border-left: 3px solid var(--tint); border-radius: 3px; font-size: 14.5px; line-height: 1.5; overflow-wrap: anywhere; }
.source.icao { border-left-color: var(--warn); }
.source strong { display: block; margin-bottom: 4px; }
.source .checked { display: block; margin-top: 8px; font: 600 11.5px/1.4 var(--mono); letter-spacing: .06em; color: var(--ink2); }
.source.official { border-left-color: var(--warn); }
.source ul { margin: 6px 0 8px 18px; }
.source li + li { margin-top: 6px; }
.alt-name { margin: -10px 0 18px; font-size: 18px; color: #D5D7EA; }
.faq { display: grid; grid-template-columns: 1fr 1fr; gap: 0 clamp(24px, 4vw, 56px); margin-top: 20px; }
.faq > div { padding: 18px 0; border-top: 1px solid var(--hair); }
.faq h3 { font-size: 17px; letter-spacing: -.015em; }
.faq p { margin-top: 6px; color: var(--ink2); font-size: 15px; }
@media (max-width: 720px) { .faq { grid-template-columns: 1fr; } }

/* 价格 */
.cmp { width: 100%; border-collapse: collapse; border-top: 2px solid var(--ink); font-size: 15px; }
.cmp th, .cmp td { text-align: left; padding: 15px 12px 15px 0; border-bottom: 1px solid var(--hair); vertical-align: top; }
.cmp thead th { font: 700 12px/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.cmp td + td, .cmp th + th { width: 22%; }
.cmp.ver td:first-child { width: 150px; }
.cmp.ver td + td, .cmp.ver th + th { width: auto; }
.cmp.ver th:first-child { width: 150px; }
.cmp .y { font-weight: 700; }
.cmp .n { color: var(--ink2); }

/* 真实截图 */
.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(14px, 2.4vw, 28px); }
.shots img { width: 100%; height: auto; border: 1px solid var(--hair); border-radius: 4px; }
.shots figcaption { font: 600 12px/1.4 var(--mono); letter-spacing: .04em; color: var(--ink2); margin-top: 10px; }
@media (max-width: 720px) { .shots { grid-template-columns: 1fr; max-width: 420px; } }
.sheet { border: 1px solid var(--hair); border-radius: 4px; width: 100%; height: auto; }

/* 收尾与页脚 */
.closer { text-align: left; }
.fine { font-size: 13.5px; line-height: 1.55; }
.site-foot { border-top: 1px solid var(--hair); padding: 36px 0 44px; font-size: 14px; color: var(--ink2); }
.site-foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px 32px; }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 6px 20px; }
.site-foot a { text-underline-offset: 3px; }

/* ---------- 首页首屏 E2 俯拍静物(1.0.2 起,build_site.py 的 hero_e2) ----------
   底图 1536×1024,所有物件按底图像素换算成百分比。纸面是照片,深色模式下首屏仍是浅色:
   压在纸面上的文字和导航一律用浅色模式的墨色。 */
.e2 { padding: 0; position: relative; overflow: hidden; background: linear-gradient(90deg, #E8E4E0 0%, #E1DDD8 50%, #DCD7D2 100%); }
.e2-stage { position: relative; max-width: 1680px; margin: clamp(36px, 3.6vw, 64px) auto 0; aspect-ratio: 1536 / 1024; }
.e2-stage > picture { display: contents; }
.e2-stage > img, .e2-stage > picture > img, .e2-glass { position: absolute; display: block; max-width: none; }
/* 顶边、两侧渐隐进上面这条取样自底图边缘的纸色渐变,宽屏(>1680px)也看不出接缝 */
.e2-plate { inset: 0; width: 100%; height: 100%;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 7%), linear-gradient(to right, transparent 0, #000 3%, #000 97%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image: linear-gradient(to bottom, transparent 0, #000 7%), linear-gradient(to right, transparent 0, #000 3%, #000 97%, transparent 100%);
  mask-composite: intersect; }
/* 绿屏 716,239 → 932,737,四周各外扩 1px 吃掉抠像边;截图 0.46 比 0.437 的屏略宽,cover 左右各裁约 2.7% */
.e2-screen, .e2-glass { left: calc(715 / 1536 * 100%); top: calc(238 / 1024 * 100%); width: calc(219 / 1536 * 100%); height: calc(501 / 1024 * 100%); border-radius: 8.9% / 3.9%; }
.e2-screen { object-fit: cover; object-position: center top; }
.e2-glass { background: linear-gradient(125deg, rgba(255, 255, 255, .16) 0%, rgba(255, 255, 255, 0) 38%); pointer-events: none; }
/* 4×6 照片纸:左缘对齐护照本(x=1031) */
.e2-sheet { left: calc(1031 / 1536 * 100%); top: calc(428 / 1024 * 100%); width: calc(252 / 1536 * 100%); height: calc(378 / 1024 * 100%);
  padding: .26%; background: #fff; box-shadow: 4px 6px 14px rgba(58, 50, 42, .20), 1px 1px 2px rgba(58, 50, 42, .22); filter: brightness(.97) saturate(.94); }
.e2 .eyebrow { color: var(--tint); }
.e2 h1.head { font-size: clamp(40px, 5.2vw, 76px); line-height: .98; letter-spacing: -.045em; }
.e2-copy > * + * { margin-top: 22px; }
.e2-copy .eyebrow + h1 { margin-top: 14px; }
@media (min-width: 861px) {
  /* 首页导航压在纸面上 */
  body:has(.e2) .site-head { position: absolute; top: 0; left: 0; right: 0; z-index: 3; background: transparent; border-bottom: 0; }
  body:has(.e2) .site-head, .e2-copy { --ink: #26283A; --ink2: #62657C; --tint: #454A7D; color: var(--ink); }
  .e2 h1.head span { display: block; }
  /* 文案压在左侧 42% 的空纸面上,左缘和全站 .wrap 对齐 */
  .e2-copy { position: absolute; z-index: 2; left: max(var(--gutter), calc(50% - 600px + var(--gutter))); right: min(58%, calc(50% + 134px));
    top: calc(clamp(36px, 3.6vw, 64px) + min(100vw, 1680px) / 3); transform: translateY(-46%); }
  .e2 .lede { max-width: 25em; }
}
@media (max-width: 860px) {
  /* 手机:照片裁成近方形放上面(底图 x 680–1320、y 150–815),只留手机、照片纸和护照本下半截;文案落到页面底色上 */
  .e2 { background: var(--canvas); }
  .e2-crop { position: relative; overflow: hidden; aspect-ratio: 640 / 665; background: #E3DFDA; }
  .e2-stage { position: absolute; top: 0; left: calc(-680 / 640 * 100%); width: calc(1536 / 640 * 100%); max-width: none; margin: calc(-150 / 640 * 100%) 0 0; }
  .e2-sheet { box-shadow: 3px 5px 12px rgba(58, 50, 42, .22), 1px 1px 2px rgba(58, 50, 42, .22); }
  .e2-copy { padding: 28px var(--gutter) 44px; }
}
@media (min-width: 600px) and (max-width: 860px) {
  /* 平板竖屏:裁宽一点(底图 x 620–1480、y 150–810),手机、护照本、照片纸都完整,照片别占满一屏 */
  .e2-crop { aspect-ratio: 860 / 660; }
  .e2-stage { left: calc(-620 / 860 * 100%); width: calc(1536 / 860 * 100%); margin-top: calc(-150 / 860 * 100%); }
}