/* ===== 字体 =====
   Noto Sans SC：自托管子集（wght 300–700），覆盖页面与脚本中的全部中文文案
   Archivo：拉丁字母与数字，宽度轴用于金额与编号 */
@font-face {
  font-family: "Archivo";
  src: url("../fonts/archivo.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
  unicode-range: U+0000-00FF, U+2000-206F, U+20AC, U+2212;
}
@font-face {
  font-family: "Noto Sans SC";
  src: url("../fonts/noto-sans-sc.woff2") format("woff2");
  font-weight: 300 700;
  font-display: swap;
}

/* ===== 设计令牌 =====
   墨蓝（深色场）· 白（工作面）· 群青（入表标记与状态）
   群青只用于“进入报表的那一行”、当前选择与进度；操作按钮用墨色/白色 */
:root {
  --ink-950: #060c1a;
  --ink-900: #0b1324;
  --ink-850: #131c30;
  --ink-800: #1f293d;
  --ink-700: #2d384e;
  --on-ink: #e9eef7;
  --on-ink-2: #adb8cb;
  --on-ink-3: #8592a8;
  --ink-line: rgba(173, 184, 203, 0.16);
  --ink-line-2: rgba(173, 184, 203, 0.28);

  --logo: #004592;
  --ultra: #2459e2;
  --ultra-hover: #1646ca;
  --ultra-tint: #e8f0ff;
  --ultra-tint-2: #d9e5ff;
  --ultra-line: #bdd1f9;
  --sky: #a6c5fc;

  --canvas: #f6f7fa;
  --surface: #ffffff;
  --surface-2: #eef1f6;
  --line: #e0e3e9;
  --line-2: #cbd0d8;
  --ink: #0f1624;
  --ink-2: #414856;
  --ink-3: #606673;
  --ink-4: #8b919c;   /* 装饰性编号与图标，不承载正文 */
  --ink-5: #b3b9c3;   /* 未选中的大号编号、锁定状态 */
  --placeholder: #737a87;
  --line-3: #9aa2af;  /* 悬停边框 */
  --line-soft: #eef0f4;
  --surface-3: #fafbfc;
  --bar-2: #9db6ee;
  --amber: #f2b65b;   /* 深色面上的警示 */

  --ok: #0b7643;  --ok-bg: #e9f7ee;  --ok-line: #b7e0c6;
  --warn: #9f5c0c; --warn-bg: #fff4de; --warn-line: #f0d39c;
  --err: #ba2b2e; --err-bg: #ffefed; --err-line: #f4c3bf;

  --font: "Archivo", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --num: "Archivo", "Noto Sans SC", system-ui, sans-serif;

  --gutter: clamp(20px, 4.6vw, 72px);
  --wrap: 1320px;
  --r-xs: 6px; --r-sm: 8px; --r: 12px; --r-lg: 16px; --r-xl: 22px;

  --sh-float: 0 1px 1px rgba(6, 12, 26, 0.04), 0 12px 32px -12px rgba(6, 12, 26, 0.18);
  --sh-sheet: 0 2px 4px rgba(0, 0, 0, 0.12), 0 40px 90px -30px rgba(0, 0, 0, 0.7);
  --sh-dialog: 0 40px 120px -30px rgba(6, 12, 26, 0.55);

  --ease: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 160ms; --t: 240ms; --t-slow: 560ms;

  --z-base: 1; --z-sticky: 10; --z-nav: 20; --z-popover: 40; --z-toast: 60;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; scrollbar-color: #b8c0cd transparent; }
body { margin: 0; background: var(--canvas); color: var(--ink); font: 400 15px/1.7 var(--font); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure, fieldset { margin: 0; }
ul, ol { padding: 0; list-style: none; }
fieldset { border: 0; padding: 0; min-width: 0; }
legend { padding: 0; }
h1, h2, h3 { text-wrap: balance; font-weight: 500; }
p, small, dd, li { text-wrap: pretty; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--ultra); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--ultra); color: #fff; }
input, textarea { caret-color: var(--ultra); }

.fig { font-family: var(--num); font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -48px; z-index: var(--z-toast); background: var(--ink); color: #fff; padding: 8px 14px; border-radius: var(--r-sm); transition: top var(--t) var(--ease); }
.skip-link:focus { top: 12px; }
.wrap { max-width: var(--wrap); margin-inline: auto; }

/* 入表标记：群青色带从左向右铺开，是整套视觉的签名 */
.hl { position: relative; z-index: 0; white-space: nowrap; }
.hl::before { content: ""; position: absolute; z-index: -1; inset: 0.1em -0.08em 0.02em; background: var(--ultra); transform: scaleX(0); transform-origin: left center; transition: transform 1100ms var(--ease-expo); }
.hl.is-on::before { transform: scaleX(1); }

/* 标识：浅色场用原色，深色场用反白 */
.logo-badge { width: 30px; height: 31px; flex: none; display: grid; place-items: center; }
.logo-badge img { width: 30px; height: 31px; object-fit: contain; }
.on-ink .logo-badge img, .logo--rev img { filter: brightness(0) invert(1); }

/* ===== 按钮：统一胶囊形 ===== */
.btn {
  --h: 42px;
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: var(--h); padding: 0 20px; border-radius: 999px; border: 1px solid var(--line-2);
  background: var(--surface); color: var(--ink); font-size: 14px; font-weight: 500; line-height: 1; white-space: nowrap;
  transition: background-color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), box-shadow var(--t) var(--ease);
}
.btn:hover { border-color: var(--ink-3); }
.btn:active { transform: scale(0.97); }
.btn svg { width: 16px; height: 16px; flex: none; transition: transform var(--t) var(--ease); }
.btn:hover .i-go { transform: translateX(3px); }
.btn--primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn--primary:hover { background: var(--ink-800); border-color: var(--ink-800); }
.btn--light { background: #fff; border-color: #fff; color: var(--ink); }
.btn--light:hover { background: var(--ultra-tint); border-color: var(--ultra-tint); }
.btn--line-on-ink { background: transparent; border-color: var(--ink-line-2); color: var(--on-ink); }
.btn--line-on-ink:hover { background: rgba(255, 255, 255, 0.06); border-color: var(--on-ink-2); color: #fff; }
.btn--ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
.btn--ghost:hover { background: var(--surface-2); border-color: transparent; color: var(--ink); }
.btn--lg { --h: 54px; padding: 0 28px; font-size: 15px; gap: 14px; }
.btn--sm { --h: 34px; padding: 0 14px; font-size: 13px; gap: 8px; }
.btn--sm svg { width: 14px; height: 14px; }
.btn--block { width: 100%; }
.btn:disabled, .btn[aria-disabled="true"] { background: var(--surface-2); border-color: var(--surface-2); color: #8b919c; cursor: not-allowed; transform: none; }

.text-link { display: inline-flex; align-items: center; gap: 10px; padding: 8px 0; border: 0; background: transparent; color: inherit; font-size: 14px; font-weight: 500; position: relative; }
.text-link::after { content: ""; position: absolute; left: 0; right: 26px; bottom: 4px; height: 1px; background: currentColor; opacity: 0.35; transform-origin: left; transition: transform var(--t-slow) var(--ease-expo), opacity var(--t); }
.text-link:hover::after { opacity: 1; }
.text-link svg { width: 16px; height: 16px; flex: none; transition: transform var(--t) var(--ease); }
.text-link:hover svg { transform: translateX(4px); }

/* ===== 标签 ===== */
.chip { display: inline-flex; align-items: center; gap: 6px; height: 26px; padding: 0 10px; border-radius: 999px; background: var(--surface-2); color: var(--ink-2); font-size: 12.5px; font-weight: 500; line-height: 1; white-space: nowrap; }
.chip svg { width: 12px; height: 12px; }
.chip--brand { background: var(--ultra-tint); color: var(--ultra-hover); }
.chip--ok { background: var(--ok-bg); color: var(--ok); }
.chip--warn { background: var(--warn-bg); color: var(--warn); }
.dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex: none; }
.dot--live { position: relative; }
.dot--live::after { content: ""; position: absolute; inset: -3px; border-radius: 50%; border: 1px solid currentColor; animation: live 2.2s var(--ease) infinite; }
@keyframes live { from { transform: scale(0.6); opacity: 0.9; } to { transform: scale(1.9); opacity: 0; } }

/* ===== 输入框 ===== */
.field { display: grid; gap: 8px; }
.field__label { font-size: 13px; font-weight: 500; color: var(--ink-2); }
.field__error { font-size: 12.5px; color: var(--err); }
.input { width: 100%; height: 48px; padding: 0 16px; border: 1px solid var(--line-2); border-radius: var(--r); background: var(--surface); font-size: 15px; transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease); }
.input::placeholder { color: var(--placeholder); }
.input:hover { border-color: var(--line-3); }
.input:focus { outline: 0; border-color: var(--ultra); box-shadow: 0 0 0 4px var(--ultra-tint-2); }
.input[aria-invalid="true"] { border-color: var(--err); }

/* 复选与单选：保留原生控件语义，统一外观 */
input[type="checkbox"], input[type="radio"] {
  appearance: none; -webkit-appearance: none; flex: none; width: 18px; height: 18px; margin: 0;
  border: 1.5px solid #9aa2af; background: #fff; display: inline-grid; place-items: center; cursor: inherit;
  transition: background-color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), box-shadow var(--t-fast);
}
input[type="checkbox"] { border-radius: 5px; }
input[type="radio"] { border-radius: 50%; }
input[type="checkbox"]::after { content: ""; width: 10px; height: 6px; border: solid #fff; border-width: 0 0 2px 2px; transform: translateY(-1px) rotate(-45deg) scale(0); transition: transform var(--t) var(--ease-expo); }
input[type="radio"]::after { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #fff; transform: scale(0); transition: transform var(--t) var(--ease-expo); }
input[type="checkbox"]:checked, input[type="radio"]:checked { background: var(--ultra); border-color: var(--ultra); }
input[type="checkbox"]:checked::after { transform: translateY(-1px) rotate(-45deg) scale(1); }
input[type="radio"]:checked::after { transform: scale(1); }
input[type="checkbox"]:disabled, input[type="radio"]:disabled { border-color: #c2c8d1; background: var(--surface-2); }
input[type="checkbox"]:disabled:checked, input[type="radio"]:disabled:checked { background: #6f8fd9; border-color: #6f8fd9; }

/* ===== 滚动入场：默认可见；脚本确认支持后才设置初始态 ===== */
.js-reveal [data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity 900ms var(--ease-expo), transform 1100ms var(--ease-expo); transition-delay: calc(var(--d, 0) * 90ms); }
.js-reveal [data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; animation-delay: 0ms !important; transition-duration: 0.01ms !important; transition-delay: 0ms !important; scroll-behavior: auto !important; }
  .js-reveal [data-reveal] { opacity: 1; transform: none; }
}