/* 黄松峪村 · 村庄改造管控与村居选型平台 —— 公共样式 */
:root {
  --ink: #17231d; --muted: #5d6a62; --faint: #8a958d;
  --paper: #fffdf7; --bg: #f3f0e8; --card: #ffffff;
  --line: rgba(36, 55, 44, 0.14); --line-strong: rgba(36, 55, 44, 0.26);
  --green: #396b51; --green-dark: #254836; --green-soft: #dce9de;
  --clay: #b65b3d; --clay-dark: #8f4229; --clay-soft: #f4dfd5;
  --gold: #b98435; --gold-soft: #f5e8cf;
  --blue: #4a7f91; --blue-soft: #dcebf0; --warn: #a8321e;
  --shadow: 0 10px 34px rgba(32, 47, 39, 0.10); --radius: 14px;
  --sans: "HarmonyOS Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --serif: "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
  --wrap: 1180px;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.7; }
img { max-width: 100%; display: block; }
a { color: var(--green-dark); }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; line-height: 1.3; font-weight: 800; }
p { margin: 0 0 .8em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

/* ---------- 顶部导航 ---------- */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255, 253, 247, .94); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; gap: 14px; height: 60px; }
.nav .logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); flex-shrink: 0; }
.nav .logo .mark { width: 34px; height: 34px; border-radius: 9px; background: var(--clay); color: #fff; display: grid; place-items: center; font-weight: 900; font-size: 17px; font-family: var(--serif); }
.nav .logo b { font-size: 16px; letter-spacing: .5px; }
.nav .logo small { display: block; font: 600 10px/1 var(--mono); letter-spacing: .16em; color: var(--faint); margin-top: 3px; }
.nav .links { display: flex; gap: 2px; margin-left: auto; overflow-x: auto; scrollbar-width: none; }
.nav .links::-webkit-scrollbar { display: none; }
.nav .links a { white-space: nowrap; text-decoration: none; color: var(--muted); font-weight: 700; font-size: 14.5px; padding: 8px 12px; border-radius: 9px; }
.nav .links a:hover { background: var(--green-soft); color: var(--green-dark); }
.nav .links a.on { background: var(--green); color: #fff; }
.nav .links a.cta { background: var(--clay); color: #fff; margin-left: 6px; }
.nav .burger { display: none; margin-left: auto; width: 42px; height: 42px; border: 1px solid var(--line-strong); border-radius: 10px; background: #fff; font-size: 20px; }

/* ---------- 通用版块 ---------- */
.section { padding: 54px 0; }
.section.tight { padding: 34px 0; }
.section.alt { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.eyebrow { font: 700 12px/1 var(--mono); letter-spacing: .22em; color: var(--clay); text-transform: uppercase; margin-bottom: 12px; }
.h-xl { font-size: clamp(28px, 4.6vw, 46px); letter-spacing: .5px; }
.h-lg { font-size: clamp(22px, 3vw, 30px); }
.h-md { font-size: 19px; }
.lead { font-size: 17px; color: var(--muted); max-width: 46em; }
.sec-head { margin-bottom: 26px; }
.sec-head p { color: var(--muted); max-width: 52em; margin-top: 10px; }
.grid { display: grid; gap: 18px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g-auto { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.card.pad0 { padding: 0; overflow: hidden; }
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p:last-child { margin-bottom: 0; }
.card.link { text-decoration: none; color: inherit; transition: transform .16s, box-shadow .16s, border-color .16s; display: block; }
.card.link:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--line-strong); }
.card .body { padding: 18px 20px 20px; }
.card .thumb { aspect-ratio: 16 / 9; background: var(--green-soft) center / cover no-repeat; position: relative; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; padding: 12px 20px; border-radius: 11px; border: 1px solid transparent; text-decoration: none; font-weight: 800; font-size: 15.5px; line-height: 1.2; background: var(--green); color: #fff; min-height: 46px; }
.btn:hover { background: var(--green-dark); }
.btn.clay { background: var(--clay); } .btn.clay:hover { background: var(--clay-dark); }
.btn.ghost { background: #fff; color: var(--green-dark); border-color: var(--line-strong); }
.btn.ghost:hover { background: var(--green-soft); }
.btn.sm { padding: 8px 14px; font-size: 14px; min-height: 38px; border-radius: 9px; }
.btn.block { width: 100%; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; }
.tag { display: inline-block; font-size: 12.5px; font-weight: 700; padding: 3px 9px; border-radius: 999px; background: var(--green-soft); color: var(--green-dark); white-space: nowrap; }
.tag.clay { background: var(--clay-soft); color: var(--clay-dark); }
.tag.gold { background: var(--gold-soft); color: #7a5416; }
.tag.blue { background: var(--blue-soft); color: #2c5a69; }
.tag.gray { background: #ecece6; color: #555; }
.tag.warn { background: #f9dcd5; color: var(--warn); }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.kpi .v { font-size: 26px; font-weight: 900; line-height: 1.15; font-variant-numeric: tabular-nums; }
.kpi .v small { font-size: 13px; font-weight: 700; color: var(--muted); margin-left: 3px; }
.kpi .k { font-size: 13px; color: var(--muted); margin-top: 4px; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 14.5px; background: #fff; }
table.tbl th, table.tbl td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
table.tbl th { background: #eef2ec; font-weight: 800; white-space: nowrap; }
table.tbl td.num, table.tbl th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
table.tbl tr.sum td { font-weight: 800; background: var(--gold-soft); }
.tbl-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid var(--line); background: #fff; }
.note { font-size: 13.5px; color: #5a4a22; border-left: 3px solid var(--gold); background: var(--gold-soft); padding: 10px 14px; border-radius: 0 10px 10px 0; }
.note.green { border-color: var(--green); background: var(--green-soft); color: var(--green-dark); }
.note.warn { border-color: var(--warn); background: #fbe9e4; color: #6b2416; }
.src { font-size: 12.5px; color: var(--faint); }
.cap { font-size: 12.5px; color: #fff; background: #1B3A40; padding: 5px 10px; }
.cap b { font-weight: 800; }
ul.clean { list-style: none; padding: 0; margin: 0; }
ul.rules { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
ul.rules li { padding-left: 30px; position: relative; }
ul.rules li::before { position: absolute; left: 0; top: 3px; width: 21px; height: 21px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 900; color: #fff; line-height: 1; }
ul.rules li.must::before { content: "应"; background: var(--green); }
ul.rules li.may::before { content: "宜"; background: var(--gold); }
ul.rules li.no::before { content: "禁"; background: var(--warn); }

/* ---------- 首页 ---------- */
.hero { position: relative; color: #fff; background: #1d2f27 center / cover no-repeat; min-height: min(78vh, 640px); display: flex; align-items: flex-end; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(14, 26, 20, .15) 0%, rgba(14, 26, 20, .35) 45%, rgba(14, 26, 20, .9) 100%); }
.hero .wrap { position: relative; z-index: 1; padding-top: 80px; padding-bottom: 46px; width: 100%; }
.hero .eyebrow { color: #f1c9a0; }
.hero p.lead { color: rgba(255, 255, 255, .88); }
.hero .aiflag { position: absolute; right: 14px; top: 14px; z-index: 2; font-size: 11.5px; background: rgba(0, 0, 0, .5); padding: 3px 9px; border-radius: 999px; }
.steps { counter-reset: st; display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; }
.steps .step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 18px 18px 62px; position: relative; }
.steps .step::before { counter-increment: st; content: counter(st); position: absolute; left: 16px; top: 16px; width: 34px; height: 34px; border-radius: 50%; background: var(--clay); color: #fff; display: grid; place-items: center; font-weight: 900; }
.steps .step b { display: block; font-size: 16.5px; }
.steps .step span { font-size: 14px; color: var(--muted); }

/* ---------- 图层地图 ---------- */
.mapapp { display: grid; grid-template-columns: 250px minmax(0, 1fr) 320px; gap: 14px; align-items: start; }
.layerlist { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; max-height: 78vh; overflow: auto; }
.layerlist h4 { font-size: 12.5px; color: var(--faint); letter-spacing: .12em; margin: 10px 6px 6px; }
.layerlist button { display: block; width: 100%; text-align: left; border: 0; background: transparent; padding: 9px 10px; border-radius: 9px; cursor: pointer; font-weight: 600; font-size: 14.5px; }
.layerlist button:hover { background: var(--green-soft); }
.layerlist button.on { background: var(--green); color: #fff; }
.mapstage { position: relative; background: #dfe6dc; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; height: 78vh; min-height: 480px; touch-action: none; cursor: grab; user-select: none; }
.mapstage.drag { cursor: grabbing; }
.mapstage .inner { position: absolute; left: 0; top: 0; transform-origin: 0 0; will-change: transform; }
.mapstage .inner img { width: 933px; height: 1501px; max-width: none; pointer-events: none; }
.mapstage svg.ov { position: absolute; left: 0; top: 0; width: 933px; height: 1501px; }
.mapstage svg.ov .seg { fill: rgba(182, 91, 61, .16); stroke: #b6341c; stroke-width: 3; stroke-dasharray: 9 6; cursor: pointer; pointer-events: all; }
.mapstage svg.ov .seg:hover, .mapstage svg.ov .seg.on { fill: rgba(182, 91, 61, .36); }
.mapstage svg.ov text { font: 800 17px var(--sans); fill: #7a1f0d; paint-order: stroke; stroke: #fff; stroke-width: 4px; pointer-events: none; }
.maptools { position: absolute; right: 12px; top: 12px; display: flex; flex-direction: column; gap: 6px; z-index: 3; }
.maptools button { width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line-strong); background: rgba(255, 255, 255, .95); font-size: 19px; font-weight: 800; cursor: pointer; }
.maptitle { position: absolute; left: 12px; top: 12px; z-index: 3; background: rgba(255, 255, 255, .95); border: 1px solid var(--line-strong); border-radius: 10px; padding: 7px 12px; font-weight: 800; font-size: 14.5px; max-width: calc(100% - 80px); }
.maptitle small { display: block; font-weight: 500; font-size: 12px; color: var(--muted); }
.mapside { display: grid; gap: 14px; }
.mapside .legend img { border: 1px solid var(--line); border-radius: 8px; margin-top: 8px; }

/* ---------- 户型选型 ---------- */
.typegrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 18px; }
.type { background: #fff; border: 2px solid var(--line); border-radius: var(--radius); overflow: hidden; cursor: pointer; transition: border-color .15s, box-shadow .15s, transform .15s; display: flex; flex-direction: column; }
.type:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.type.on { border-color: var(--clay); box-shadow: 0 0 0 3px var(--clay-soft); }
.type .pic { aspect-ratio: 16 / 10; background: var(--green-soft) center / cover no-repeat; position: relative; }
.type .pic .key { position: absolute; left: 10px; top: 10px; width: 38px; height: 38px; border-radius: 10px; background: var(--clay); color: #fff; display: grid; place-items: center; font-weight: 900; font-size: 19px; }
.type .pic .ai { position: absolute; right: 8px; bottom: 8px; font-size: 11px; background: rgba(0, 0, 0, .55); color: #fff; padding: 2px 7px; border-radius: 999px; }
.type .pic .rec { position: absolute; right: 8px; top: 10px; }
.type .tb { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.type .tb h3 { font-size: 17.5px; }
.type .tb .meta { display: flex; flex-wrap: wrap; gap: 6px; }
.type .tb p { font-size: 14px; color: var(--muted); margin: 0; }
.type .tb .price { margin-top: auto; padding-top: 8px; font-weight: 900; font-size: 20px; color: var(--clay-dark); }
.type .tb .price small { font-size: 12.5px; font-weight: 600; color: var(--muted); }
.detail { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 22px; align-items: start; }
.planbox { background: #fbf8f0; border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.planbox svg { width: 100%; height: auto; display: block; }
.dl { display: grid; grid-template-columns: 96px 1fr; gap: 6px 12px; font-size: 14.5px; margin: 0; }
.dl dt { color: var(--muted); font-weight: 700; }
.dl dd { margin: 0; }
.opts { display: grid; gap: 16px; }
.optgroup h4 { font-size: 15px; margin-bottom: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 1.5px solid var(--line-strong); background: #fff; border-radius: 11px; padding: 9px 13px; cursor: pointer; font-weight: 700; font-size: 14.5px; display: inline-flex; align-items: center; gap: 8px; min-height: 44px; }
.chip .sw { width: 18px; height: 18px; border-radius: 5px; border: 1px solid rgba(0, 0, 0, .2); }
.chip small { font-weight: 600; color: var(--muted); }
.chip.on { border-color: var(--clay); background: var(--clay-soft); color: var(--clay-dark); }
.costbox { background: #fff; border: 2px solid var(--gold); border-radius: var(--radius); padding: 18px 20px; }
.costbox .total { font-size: 34px; font-weight: 900; color: var(--clay-dark); font-variant-numeric: tabular-nums; }
.costbox .total small { font-size: 14px; color: var(--muted); font-weight: 700; }
.costbox .row { display: flex; justify-content: space-between; gap: 10px; font-size: 14.5px; padding: 4px 0; border-bottom: 1px dashed var(--line); }
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 18px; }
.form label { display: grid; gap: 5px; font-weight: 700; font-size: 14.5px; }
.form label.full { grid-column: 1 / -1; }
.form input, .form select, .form textarea { border: 1.5px solid var(--line-strong); border-radius: 10px; padding: 11px 12px; background: #fff; width: 100%; min-height: 46px; }
.form textarea { min-height: 80px; resize: vertical; }
.form small { font-weight: 500; color: var(--faint); }
.sheet { background: #fff; border: 2px solid var(--ink); border-radius: 6px; padding: 26px 28px; max-width: 760px; margin: 0 auto; }
.sheet h2 { text-align: center; font-size: 22px; letter-spacing: 2px; }
.sheet .sub { text-align: center; font-size: 12.5px; color: var(--muted); margin: 4px 0 16px; }
.sheet table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.sheet td, .sheet th { border: 1px solid #333; padding: 7px 9px; vertical-align: top; }
.sheet th { background: #f1efe7; width: 104px; text-align: left; font-weight: 800; }
.sheet .foot { display: flex; gap: 18px; align-items: flex-end; margin-top: 16px; }
.sheet .foot .sign { flex: 1; font-size: 14px; line-height: 2.4; }
.sheet .qr { width: 132px; flex-shrink: 0; text-align: center; font-size: 11px; color: var(--muted); }
.sheet .qr svg, .sheet .qr img { width: 132px; height: 132px; }
.codebox { font: 13px/1.5 var(--mono); background: #f4f2ea; border: 1px dashed var(--line-strong); border-radius: 8px; padding: 8px 10px; word-break: break-all; }

/* ---------- 导则 ---------- */
.swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 10px; }
.swatch { border: 1px solid var(--line); border-radius: 11px; overflow: hidden; background: #fff; font-size: 12.5px; position: relative; }
.swatch i { display: block; height: 58px; }
.swatch span { display: block; padding: 6px 8px; line-height: 1.35; }
.swatch span b { display: block; font-size: 13.5px; }
.swatch.bad::after { content: "✕ 禁用"; position: absolute; right: 6px; top: 6px; color: #fff; font-weight: 900; font-size: 12px; background: rgba(0, 0, 0, .55); padding: 1px 7px; border-radius: 999px; }
.toc { position: sticky; top: 76px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; }
.toc a { display: block; padding: 7px 10px; border-radius: 8px; text-decoration: none; color: var(--muted); font-weight: 700; font-size: 14.5px; }
.toc a:hover { background: var(--green-soft); color: var(--green-dark); }
.with-toc { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 26px; align-items: start; }
.guide-block { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; margin-bottom: 18px; scroll-margin-top: 76px; }
.guide-block h3 { font-size: 20px; margin-bottom: 4px; }
.guide-block .basis { font-size: 12.5px; color: var(--faint); margin-bottom: 14px; }
.figure { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff; margin: 0; }
.figure img { width: 100%; }

/* ---------- 评分 / 页签 ---------- */
.bar { height: 12px; border-radius: 999px; background: #e6e6de; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--green); border-radius: 999px; }
.score { display: flex; align-items: baseline; gap: 10px; }
.score .big { font-size: 54px; font-weight: 900; line-height: 1; color: var(--green-dark); font-variant-numeric: tabular-nums; }
.score .arrow { font-size: 26px; color: var(--faint); }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.tabs button { border: 1.5px solid var(--line-strong); background: #fff; border-radius: 999px; padding: 8px 16px; cursor: pointer; font-weight: 700; font-size: 14.5px; min-height: 42px; }
.tabs button.on { background: var(--green); border-color: var(--green); color: #fff; }

/* ---------- 重点地段 ---------- */
.segcard { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-bottom: 22px; scroll-margin-top: 76px; }
.segcard .media { background: var(--green-soft) center / cover no-repeat; min-height: 300px; position: relative; }
.segcard .media .cap { position: absolute; left: 0; right: 0; bottom: 0; }
.segcard .txt { padding: 24px 26px; }
.segcard .no { font: 800 13px/1 var(--mono); letter-spacing: .2em; color: var(--clay); margin-bottom: 8px; }
.segcard.flip .media { order: 2; }

/* ---------- 页脚 ---------- */
.footer { background: #1d2f27; color: rgba(255, 255, 255, .78); padding: 34px 0 26px; font-size: 13.5px; }
.footer a { color: #cfe3d4; }
.footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 26px; margin-bottom: 20px; }
.footer h4 { color: #fff; font-size: 14.5px; margin-bottom: 8px; }
.footer .base { border-top: 1px solid rgba(255, 255, 255, .14); padding-top: 14px; display: flex; flex-wrap: wrap; gap: 6px 18px; justify-content: space-between; font-size: 12.5px; }
.hide { display: none !important; }
.center { text-align: center; }
.mt8 { margin-top: 8px; } .mt16 { margin-top: 16px; } .mt24 { margin-top: 24px; } .mb16 { margin-bottom: 16px; }
.toast { position: fixed; left: 50%; bottom: 84px; transform: translateX(-50%); background: #17231d; color: #fff; padding: 11px 18px; border-radius: 11px; z-index: 99; font-size: 14.5px; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: opacity .2s; }
.toast.show { opacity: 1; }
.stickybar { position: sticky; bottom: 0; z-index: 30; background: rgba(255, 253, 247, .96); backdrop-filter: blur(10px); border-top: 1px solid var(--line-strong); padding: 10px 0; }
.stickybar .wrap { display: flex; align-items: center; gap: 12px; }
.stickybar .sel { flex: 1; min-width: 0; font-weight: 800; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stickybar .sel small { font-weight: 600; color: var(--muted); }

/* ---------- 响应式 ---------- */
@media (max-width: 1040px) {
  .mapapp { grid-template-columns: minmax(0, 1fr); }
  .layerlist { max-height: none; display: flex; gap: 6px; overflow-x: auto; padding: 8px; }
  .layerlist h4 { display: none; }
  .layerlist button { width: auto; white-space: nowrap; border: 1px solid var(--line); }
  .mapstage { height: 68vh; }
  .with-toc { grid-template-columns: minmax(0, 1fr); }
  .toc { position: static; display: flex; overflow-x: auto; gap: 4px; }
  .toc a { white-space: nowrap; }
}
@media (max-width: 860px) {
  .nav .links { display: none; position: absolute; left: 0; right: 0; top: 60px; background: var(--paper); border-bottom: 1px solid var(--line-strong); flex-direction: column; padding: 10px 14px 14px; gap: 4px; box-shadow: var(--shadow); }
  .nav.open .links { display: flex; }
  .nav .links a { padding: 12px 14px; font-size: 16px; }
  .nav .links a.cta { margin-left: 0; text-align: center; }
  .nav .burger { display: block; }
  .g2, .g3, .g4, .detail, .segcard, .form, .footer .cols { grid-template-columns: minmax(0, 1fr); }
  .segcard.flip .media { order: 0; }
  .segcard .media { min-height: 210px; }
  .section { padding: 38px 0; }
  .sheet { padding: 18px 14px; }
  .sheet .foot { flex-direction: column; align-items: stretch; }
  .sheet .qr { margin: 0 auto; }
  body { font-size: 16.5px; }
}
@media print {
  .nav, .footer, .noprint, .stickybar, .toast { display: none !important; }
  body { background: #fff; }
  .section { padding: 0; }
  .sheet { border-width: 1.5px; max-width: none; }
}

/* ---------- 三维模型查看器 ---------- */
.viewer { position: relative; aspect-ratio: 4 / 3; min-height: 300px; border-radius: 10px 10px 0 0; overflow: hidden; background: linear-gradient(180deg, #cfe2ea 0%, #e9efe6 62%, #d9d3bf 100%); touch-action: none; }
.viewer canvas { width: 100%; height: 100%; display: block; cursor: grab; }
.viewer canvas:active { cursor: grabbing; }
.viewer.nogl { display: none; }
.viewer .v-hint, .viewer .v-load { position: absolute; left: 50%; transform: translateX(-50%); font-size: 12.5px; padding: 4px 11px; border-radius: 999px; background: rgba(23, 35, 29, .68); color: #fff; white-space: nowrap; pointer-events: none; }
.viewer .v-hint { bottom: 52px; }
.viewer .v-load { top: 46%; font-size: 14px; }
.viewer .v-bar { position: absolute; left: 10px; bottom: 10px; display: flex; gap: 6px; }
.viewer .v-bar button { border: 1px solid var(--line-strong); background: rgba(255, 255, 255, .94); border-radius: 9px; padding: 7px 11px; font-weight: 700; font-size: 13.5px; cursor: pointer; min-height: 36px; }
.viewer .v-bar button.on { background: var(--green); color: #fff; border-color: var(--green); }
.viewer .v-tip { position: absolute; left: 10px; right: 10px; top: 10px; background: rgba(255, 253, 247, .96); border: 1px solid var(--line-strong); border-left: 4px solid var(--clay); border-radius: 10px; padding: 9px 12px; font-size: 13.5px; line-height: 1.55; box-shadow: var(--shadow); }
.viewer .v-tip b { display: block; font-size: 15px; color: var(--clay-dark); }
.viewtabs { display: flex; gap: 6px; margin-bottom: 10px; }
.viewtabs button { flex: 1; border: 1.5px solid var(--line-strong); background: #fff; border-radius: 10px; padding: 9px 10px; font-weight: 800; cursor: pointer; min-height: 44px; }
.viewtabs button.on { background: var(--green); border-color: var(--green); color: #fff; }
@media (max-width: 860px) { .viewer { aspect-ratio: 1 / 1; } }
/* ================= 主题：参考 Ecoriz（land-book 99619）——白底、深海军蓝、天蓝渐变、胶囊按钮、大圆角卡片 ================= */
:root {
  --ink: #2B2D3A; --muted: #6B7080; --faint: #9AA0AE; --paper: #FFFFFF; --bg: #F5F6FA; --card: #FFFFFF;
  --line: rgba(30, 40, 70, 0.10); --line-strong: rgba(30, 40, 70, 0.20);
  --green: #17408B; --green-dark: #0E2C63; --green-soft: #E8EFFA;
  --clay: #2B2D3A; --clay-dark: #17408B; --clay-soft: #EEF1F7;
  --gold: #5A9BE0; --gold-soft: #EAF3FD; --blue: #5A9BE0; --blue-soft: #EAF3FD;
  --shadow: 0 18px 44px rgba(20, 35, 80, 0.12); --radius: 20px;
}
body { background: #fff; }
h1, h2, h3, h4 { letter-spacing: -0.01em; }
.section.alt { background: var(--bg); border: 0; }
.nav { background: transparent; border: 0; padding-top: 10px; backdrop-filter: none; -webkit-backdrop-filter: none; }
.nav .wrap { background: rgba(255, 255, 255, .9); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 8px 30px rgba(20, 35, 80, .08); padding: 0 12px 0 16px; max-width: calc(var(--wrap) - 24px); }
.nav .logo .mark { background: var(--green); border-radius: 50%; }
.nav .links a { border-radius: 999px; padding: 8px 14px; }
.nav .links a:hover { background: var(--green-soft); color: var(--green-dark); }
.nav .links a.on { background: var(--green); color: #fff; }
.nav .links a.cta { background: var(--ink); color: #fff; border-radius: 999px; }
.btn { border-radius: 999px; background: var(--ink); padding: 13px 24px; }
.btn:hover { background: #111320; }
.btn.clay { background: var(--green); } .btn.clay:hover { background: var(--green-dark); }
.btn.ghost { background: #fff; color: var(--ink); border-color: var(--line-strong); } .btn.ghost:hover { background: var(--bg); }
.btn.sm { border-radius: 999px; }
.eyebrow { display: inline-flex; align-items: center; gap: 7px; font: 600 12.5px/1 var(--sans); letter-spacing: .02em; text-transform: none; color: var(--ink); border: 1px solid var(--line-strong); border-radius: 999px; padding: 7px 13px; background: #fff; }
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
.hero { margin-top: -72px; padding-top: 72px; min-height: min(86vh, 700px); }
.hero::after { background: linear-gradient(180deg, rgba(60, 120, 200, .30) 0%, rgba(23, 64, 139, .36) 45%, rgba(10, 26, 60, .90) 100%); }
.hero .eyebrow { background: rgba(255, 255, 255, .14); color: #fff; border-color: rgba(255, 255, 255, .6); }
.hero .eyebrow::before { background: #fff; }
.hero .btn.clay { background: #fff; color: var(--ink); } .hero .btn.clay:hover { background: var(--green-soft); }
.hero .btn.ghost { background: rgba(255, 255, 255, .14); color: #fff; border-color: rgba(255, 255, 255, .6); }
.h-xl, .h-lg { font-weight: 800; }
.sec-head .h-lg { max-width: 22em; }
.card { border-radius: 20px; }
.card .thumb { border-radius: 0; }
.kpi { border-radius: 18px; background: var(--bg); border: 0; } .kpi .v { color: var(--green); }
.section.alt .kpi, .section.alt .card { background: #fff; }
.tag { background: var(--green-soft); color: var(--green-dark); } .tag.clay { background: var(--ink); color: #fff; } .tag.gold { background: var(--gold-soft); color: #1F5FA8; }
.steps .step { border-radius: 20px; } .steps .step::before { background: var(--green); }
.cap { background: #12305F; }
.type { border-radius: 20px; } .type.on { border-color: var(--green); box-shadow: 0 0 0 3px var(--green-soft); }
.type .pic .key { background: var(--green); border-radius: 50%; } .type .tb .price { color: var(--green); }
.chip { border-radius: 999px; } .chip.on { border-color: var(--green); background: var(--green-soft); color: var(--green-dark); }
.costbox { border-color: var(--green); border-radius: 20px; } .costbox .total { color: var(--green); }
.tabs button.on, .layerlist button.on, .viewtabs button.on { background: var(--green); border-color: var(--green); color: #fff; }
.viewtabs button, .tabs button { border-radius: 999px; }
.segcard, .guide-block, .toc, .layerlist, .mapstage, .planbox, .figure, .tbl-wrap { border-radius: 20px; }
.segcard .no { color: var(--green); }
.footer { background: #0E2C63; }
.note { border-color: var(--gold); background: var(--gold-soft); color: #24456f; border-radius: 0 14px 14px 0; }
.note.green { background: var(--green-soft); color: var(--green-dark); border-color: var(--green); }
table.tbl th { background: #EEF2F8; } table.tbl tr.sum td { background: var(--gold-soft); }
.stickybar { background: rgba(255, 255, 255, .94); }
.mapstage svg.ov .seg { fill: rgba(23, 64, 139, .14); stroke: #17408B; } .mapstage svg.ov .seg:hover, .mapstage svg.ov .seg.on { fill: rgba(23, 64, 139, .32); } .mapstage svg.ov text { fill: #0E2C63; }
ul.rules li.must::before { background: var(--green); } ul.rules li.may::before { background: var(--gold); }
.viewer { background: linear-gradient(180deg, #8fc0ea 0%, #d6e8f6 58%, #eef1ee 100%); border-radius: 20px 20px 0 0; }
.viewer .v-tip { border-left-color: var(--green); } .viewer .v-tip b { color: var(--green); }
.sheet { border-radius: 10px; }
@media (max-width: 860px) {
  .nav .wrap { margin: 0 10px; }
  .nav .links { top: 74px; left: 10px; right: 10px; border-radius: 18px; border: 1px solid var(--line); }
  .hero { margin-top: -72px; }
}