/* 沪回收官网 · 单文件样式（无外部字体、无框架） */
:root {
  --ink: #0a2621;
  --ink-2: #143833;
  --body: #3c4d48;
  --muted: #6b7d78;
  --line: #e0e9e4;
  --line-2: #cfdcd5;
  --paper: #f5f9f7;
  --paper-2: #eef5f1;
  --white: #fff;
  --brand: #0f5a46;
  --brand-2: #17896a;
  --teal: #0d8282;
  --amber: #bd7d24;
  --danger: #b04141;
  --dark: #07211c;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow: 0 24px 60px -30px rgba(7, 33, 28, .35);
  --shadow-sm: 0 10px 26px -18px rgba(7, 33, 28, .35);
  --maxw: 1180px;
  --gutter: 24px;
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--white); color: var(--body);
  font-family: var(--font); font-size: 16px; line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-2); }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.28; margin: 0 0 .6em; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(1.9rem, 3.5vw, 3rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.35rem, 2.2vw, 1.85rem); }
h3 { font-size: 1.06rem; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
strong { color: var(--ink); font-weight: 600; }
::selection { background: rgba(23, 137, 106, .16); }
:focus-visible { outline: 2px solid var(--brand-2); outline-offset: 3px; border-radius: 4px; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--ink); color: #fff; padding: 10px 16px; z-index: 999; }
.skip-link:focus { left: 8px; top: 8px; }

/* ---------------------------------------------------------- header */
.site-header {
  position: sticky; top: 0; z-index: 80;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid rgba(224, 233, 228, .9);
}
.header-inner {
  display: flex; align-items: center; gap: 22px;
  height: 68px; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter);
}
.brand { display: inline-flex; align-items: center; gap: 10px; flex: none; }
.brand__mark { width: 34px; height: 34px; flex: none; }
.brand__text { display: grid; line-height: 1.15; }
.brand__name { font-size: 1.06rem; font-weight: 700; color: var(--ink); letter-spacing: .02em; }
.brand__sub { font-size: .64rem; color: var(--muted); letter-spacing: .04em; }

.nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav-item { position: relative; display: inline-flex; align-items: center; }
.nav-item > a {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 9px 12px; border-radius: 9px;
  font-size: .88rem; color: var(--ink-2); white-space: nowrap;
  transition: background .18s ease, color .18s ease;
}
.nav-item > a:hover, .nav-item.is-open > a { background: var(--paper-2); color: var(--brand); }
.nav-item > a[aria-current="page"] { color: var(--brand); font-weight: 600; }
.nav-item__caret {
  width: 5px; height: 5px; border-right: 1.4px solid currentColor; border-bottom: 1.4px solid currentColor;
  transform: rotate(45deg) translateY(-1px); opacity: .45; transition: transform .2s ease;
}
.nav-item.is-open .nav-item__caret, .nav-item:hover .nav-item__caret { transform: rotate(225deg) translateY(-1px); opacity: .8; }

/* 二级面板：挂在页头盒子（.nav-item 设 static），恒定居中，不溢出视口 */
.nav-item--panel { position: static; }
.nav-panel {
  position: absolute; top: 100%; left: 50%; z-index: 90;
  width: min(52rem, calc(100vw - 2 * var(--gutter)));
  padding-top: 8px;
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateX(-50%) translateY(-6px);
  transition: opacity .16s ease, transform .18s ease, visibility .16s ease;
}
.nav-item--panel:hover > .nav-panel,
.nav-item--panel:focus-within > .nav-panel,
.nav-item--panel.is-open > .nav-panel {
  opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0);
}
.nav-panel__card {
  display: grid; grid-template-columns: minmax(0, 1fr) 15rem; gap: 18px;
  padding: 18px; background: #fff; border: 1px solid var(--line);
  border-radius: 16px; box-shadow: 0 30px 64px -34px rgba(7, 33, 28, .45), 0 2px 10px -6px rgba(7, 33, 28, .18);
}
.nav-panel__links { display: grid; gap: 2px; align-content: start; }
.nav-panel__links--2 { grid-template-columns: 1fr 1fr; column-gap: 12px; }
.nav-panel a, .nav-panel strong, .nav-panel em { white-space: normal; }
.nav-panel__group {
  grid-column: 1 / -1; margin: 8px 0 2px; padding: 8px 8px 0;
  border-top: 1px solid var(--line);
  font-size: .7rem; font-weight: 600; letter-spacing: .1em; color: var(--muted);
}
.nav-panel__group:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.nav-panel__links > a { display: grid; gap: 1px; padding: 7px 8px; border-radius: 9px; }
.nav-panel__links strong { font-size: .84rem; font-weight: 600; color: var(--ink); }
.nav-panel__links em { font-style: normal; font-size: .73rem; line-height: 1.45; color: var(--muted); }
.nav-panel__links > a:hover { background: var(--paper-2); }
.nav-panel__feature {
  display: grid; gap: 7px; align-content: start; padding: 8px 8px 10px;
  background: var(--paper); border-radius: 12px;
}
.nav-panel__feature img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 9px; }
.nav-panel__feature strong { font-size: .84rem; color: var(--ink); }
.nav-panel__feature em { font-style: normal; font-size: .72rem; line-height: 1.5; color: var(--muted); }
.nav-panel__cta { font-size: .73rem; font-weight: 600; color: var(--brand); }

.header-cta {
  display: inline-flex; align-items: center; gap: 6px; flex: none;
  padding: 8px 15px; border-radius: 999px; border: 1px solid var(--ink);
  font-size: .84rem; color: var(--ink); transition: all .18s ease;
}
.header-cta:hover { background: var(--ink); color: #fff; }
.nav-toggle {
  display: none; margin-left: auto; width: 40px; height: 36px; border: 1px solid var(--line-2);
  background: #fff; border-radius: 9px; color: var(--ink); font-size: 1rem; cursor: pointer;
}
.mobile-nav {
  display: none; position: fixed; inset: 68px 0 auto 0; z-index: 79;
  max-height: calc(100vh - 68px); overflow-y: auto; overscroll-behavior: contain;
  background: #fff; border-bottom: 1px solid var(--line); padding: 10px 20px 24px;
  box-shadow: 0 24px 40px -30px rgba(7, 33, 28, .5);
}
.mobile-nav.is-open { display: block; }
.mnav-group { border-bottom: 1px solid var(--line); }
.mnav-group > summary {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 13px 4px; cursor: pointer; list-style: none; font-size: .98rem; color: var(--ink);
}
.mnav-group > summary::-webkit-details-marker { display: none; }
.mnav-group > summary::after { content: "+"; color: var(--muted); font-size: 1.05rem; }
.mnav-group[open] > summary::after { content: "−"; }
.mnav-links { display: grid; gap: 2px; padding: 0 4px 12px; }
.mnav-links a { padding: 8px 10px; border-radius: 8px; font-size: .86rem; color: var(--body); }
.mnav-links a:hover { background: var(--paper-2); }

/* ---------------------------------------------------------- hero */
.hero { position: relative; overflow: hidden; background: linear-gradient(180deg, #f3f8f5 0%, #ffffff 88%); }
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto auto; width: 640px; height: 640px;
  background: radial-gradient(circle at center, rgba(23, 137, 106, .16), transparent 62%);
  pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; inset: auto auto -30% -8%; width: 520px; height: 520px;
  background: radial-gradient(circle at center, rgba(13, 130, 130, .12), transparent 65%);
  pointer-events: none;
}
.hero__inner {
  position: relative; display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  gap: 46px; align-items: center; padding: 62px var(--gutter) 54px; max-width: var(--maxw); margin: 0 auto;
}
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .74rem; letter-spacing: .16em; color: var(--brand);
  text-transform: uppercase; font-weight: 600;
}
.kicker::before { content: ""; width: 22px; height: 1.5px; background: currentColor; opacity: .55; }
.hero h1 { margin: 14px 0 16px; }
.hero h1 em { font-style: normal; color: var(--brand); }
.hero__lead { font-size: 1.02rem; color: var(--body); max-width: 33em; }
.hero__points { display: flex; flex-wrap: wrap; gap: 8px 10px; margin: 18px 0 24px; }
.hero__points span {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 11px; border-radius: 999px; background: #fff;
  border: 1px solid var(--line); font-size: .78rem; color: var(--ink-2);
}
.hero__points span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--brand-2); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: 999px;
  font-size: .9rem; font-weight: 600; border: 1px solid transparent; cursor: pointer; transition: all .18s ease;
}
.btn--primary { background: var(--ink); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--brand); color: #fff; transform: translateY(-1px); }
.btn--ghost { border-color: var(--line-2); color: var(--ink); background: #fff; }
.btn--ghost:hover { border-color: var(--ink); color: var(--ink); }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: #eaf4ef; color: var(--ink); }
.btn--outline-light { border-color: rgba(255, 255, 255, .38); color: #eaf5f2; }
.btn--outline-light:hover { background: rgba(255, 255, 255, .1); color: #fff; }
.hero__note { margin-top: 14px; font-size: .78rem; color: var(--muted); }
.hero__note a { border-bottom: 1px dashed var(--line-2); }

.hero__fig { position: relative; }
.hero__fig > img { display: block; width: 100%; height: auto; border-radius: var(--radius-lg); }
.hero__float {
  position: absolute; display: grid; gap: 2px; padding: 10px 14px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow);
  font-size: .72rem; color: var(--muted);
}
.hero__float b { font-size: 1.02rem; color: var(--ink); letter-spacing: -.01em; }
.hero__float--a { left: -18px; top: 16%; }
.hero__float--b { right: -10px; bottom: 12%; }
.hero__float--c { left: 12%; bottom: -14px; }

.stat-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.stat-strip__inner { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); max-width: var(--maxw); margin: 0 auto; }
.stat { padding: 20px 24px; border-left: 1px solid var(--line); display: grid; gap: 2px; }
.stat:first-child { border-left: 0; }
.stat b { font-size: 1.5rem; color: var(--ink); letter-spacing: -.02em; }
.stat b i { font-style: normal; font-size: .82rem; color: var(--muted); margin-left: 4px; font-weight: 400; }
.stat span { font-size: .74rem; color: var(--muted); line-height: 1.5; }

/* ---------------------------------------------------------- section shell */
.section { padding: 68px 0; }
.section--paper { background: var(--paper); }
.section--tight { padding: 48px 0; }
.section__head { max-width: 780px; margin-bottom: 34px; }
.section__head h2 { margin: 10px 0 12px; }
.section__head p { color: var(--body); margin: 0; }
.section__head--split { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px; align-items: end; max-width: none; }
.link-more { font-size: .84rem; font-weight: 600; white-space: nowrap; }
.link-more::after { content: " →"; }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }

.card {
  position: relative; padding: 22px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.card:hover { border-color: var(--line-2); box-shadow: var(--shadow-sm); }
.card h3 { font-size: 1rem; margin-bottom: 6px; }
.card p { font-size: .85rem; color: var(--body); margin: 0; line-height: 1.7; }
.card__note { display: block; margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line); font-size: .78rem; color: var(--muted); }
.card__no {
  font-size: .72rem; letter-spacing: .12em; color: var(--brand-2); font-weight: 600;
  display: block; margin-bottom: 8px;
}
.card--answer h3 { display: flex; gap: 8px; align-items: baseline; }
.card--answer h3::before { content: "?"; color: var(--brand-2); font-size: .82rem; }

/* 痛点 */
.pain-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.pain {
  display: grid; grid-template-columns: 44px minmax(0, 1.05fr) minmax(0, 1fr) minmax(0, .8fr);
  gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--line); align-items: start;
}
.pain__no { font-size: .8rem; font-weight: 700; color: var(--line-2); letter-spacing: .08em; padding-top: 2px; }
.pain h3 { font-size: .96rem; margin: 0; }
.pain p { margin: 0; font-size: .85rem; }
.pain__fix { font-size: .82rem; color: var(--brand); background: rgba(23, 137, 106, .07); border-radius: 8px; padding: 8px 12px; }

/* 全链路 */
.flow {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px;
}
.flow-step {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 14px 16px; overflow: hidden;
}
.flow-step img { display: block; width: calc(100% + 28px); margin: -14px -14px 12px; border-bottom: 1px solid var(--line); }
.flow-step__no { font-size: .7rem; font-weight: 700; color: var(--brand-2); letter-spacing: .12em; }
.flow-step h3 { font-size: .92rem; margin: 2px 0 4px; }
.flow-step p { font-size: .78rem; color: var(--body); margin: 0; line-height: 1.6; }

/* 四类物料 */
.material {
  display: grid; gap: 10px; padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
}
.material__top { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.material__top h3 { margin: 0; font-size: .98rem; }
.material__tag { font-size: .7rem; color: var(--amber); background: rgba(189, 125, 36, .1); padding: 3px 8px; border-radius: 999px; white-space: nowrap; }
.material__sub { font-size: .76rem; color: var(--muted); margin: -4px 0 2px; }
.material ul { display: grid; gap: 6px; }
.material li { position: relative; padding-left: 14px; font-size: .8rem; color: var(--body); line-height: 1.55; }
.material li::before { content: ""; position: absolute; left: 0; top: .62em; width: 5px; height: 5px; border-radius: 50%; background: var(--brand-2); opacity: .55; }

/* 单柜经济模型 */
.binmodel { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: 26px; align-items: stretch; }
.binmodel__panel { background: var(--dark); color: #d8e8e2; border-radius: var(--radius-lg); padding: 28px; position: relative; overflow: hidden; }
.binmodel__panel::before {
  content: ""; position: absolute; inset: -40% -20% auto auto; width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(23, 137, 106, .38), transparent 62%);
}
.binmodel__panel h3 { color: #fff; font-size: 1.05rem; }
.binmodel__panel p { color: #a9c4bb; font-size: .84rem; }
.binmodel__formula {
  display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
  margin: 16px 0; font-size: .82rem; color: #cfe4dc;
}
.binmodel__formula code {
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .16);
  padding: 3px 8px; border-radius: 6px; font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; font-size: .76rem;
}
.binmodel__formula i { font-style: normal; color: #7fb8a6; }
.binmodel__kpis { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 18px; }
.binmodel__kpis div { padding: 12px 14px; border-radius: 10px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .08); }
.binmodel__kpis b { display: block; color: #fff; font-size: 1.1rem; }
.binmodel__kpis span { font-size: .72rem; color: #9fbcb2; }
.costlist { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.cost {
  display: grid; gap: 2px; padding: 14px 16px; background: #fff; border: 1px solid var(--line); border-radius: 11px;
}
.cost b { font-size: .86rem; color: var(--ink); }
.cost span { font-size: .74rem; color: var(--muted); line-height: 1.5; }
.cost:nth-child(5), .cost:nth-child(6) { background: var(--paper); }

/* 模块网格 */
.module-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.module-tile {
  display: grid; gap: 3px; padding: 14px 15px; background: #fff;
  border: 1px solid var(--line); border-radius: 11px; transition: all .16s ease;
}
.module-tile:hover { border-color: var(--brand-2); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.module-tile__code { font-size: .66rem; letter-spacing: .1em; color: var(--muted); font-weight: 600; }
.module-tile__name { font-size: .84rem; color: var(--ink); font-weight: 600; }
.module-tile__cnt { font-size: .7rem; color: var(--muted); }
.module-tile--portal { background: var(--paper-2); border-color: var(--line-2); }

/* 手机端 */
.mobile-split { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: 40px; align-items: center; }
.phone {
  position: relative; width: 236px; margin: 0 auto; padding: 10px; border-radius: 30px;
  background: #0b1f1b; box-shadow: 0 40px 80px -40px rgba(7, 33, 28, .6);
}
.phone__screen { border-radius: 22px; overflow: hidden; background: #fff; }
.phone__bar { height: 22px; background: #0b1f1b; display: flex; align-items: center; justify-content: center; }
.phone__bar::after { content: ""; width: 52px; height: 4px; border-radius: 999px; background: rgba(255, 255, 255, .25); }
.phone__body { padding: 12px; display: grid; gap: 8px; }
.phone__row { display: flex; justify-content: space-between; align-items: center; padding: 8px 10px; background: var(--paper); border-radius: 8px; font-size: .66rem; color: var(--ink-2); }
.phone__row b { color: var(--brand); }
.phone__big { display: grid; gap: 1px; padding: 12px; border-radius: 10px; background: linear-gradient(135deg, #0f5a46, #17896a); color: #fff; }
.phone__big b { font-size: 1.2rem; letter-spacing: -.02em; }
.phone__big span { font-size: .64rem; opacity: .8; }
.phone__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
.phone__grid span { padding: 8px 6px; text-align: center; font-size: .62rem; color: var(--ink-2); background: var(--paper); border-radius: 7px; }
.phone__cta { padding: 9px; text-align: center; font-size: .68rem; color: #fff; background: var(--ink); border-radius: 8px; }
.mobile-feats { display: grid; gap: 12px; }
.mobile-feat { padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.mobile-feat h3 { font-size: .94rem; margin-bottom: 4px; }
.mobile-feat p { font-size: .82rem; margin: 0 0 8px; }
.mobile-feat ul { display: flex; flex-wrap: wrap; gap: 6px; }
.mobile-feat li { font-size: .72rem; color: var(--brand); background: rgba(23, 137, 106, .08); padding: 3px 9px; border-radius: 999px; }

/* 合规 */
.compliance-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.compliance-card { padding: 18px; background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--brand-2); border-radius: 10px; }
.compliance-card h3 { font-size: .9rem; margin-bottom: 5px; }
.compliance-card p { font-size: .8rem; margin: 0; }
.compliance-card:target { border-left-color: var(--brand); box-shadow: 0 0 0 2px rgba(23, 137, 106, .18); }

/* 快捷链接卡（404 等） */
.link-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.link-card {
  display: grid; gap: 5px; padding: 18px 20px; background: #fff; border: 1px solid var(--line);
  border-radius: 12px; transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.link-card strong { font-size: .95rem; color: var(--ink); }
.link-card span { font-size: .78rem; color: var(--muted); line-height: 1.6; }
.link-card:hover { border-color: var(--brand); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(15, 90, 70, .09); }

/* 报表 */
.report-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 26px; }
.report {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px;
  padding: 12px 0; border-bottom: 1px solid var(--line); align-items: baseline;
}
.report b { font-size: .88rem; color: var(--ink); font-weight: 600; }
.report span { font-size: .78rem; color: var(--muted); grid-row: 2; grid-column: 1; line-height: 1.5; }
.report em { font-style: normal; font-size: .7rem; color: var(--brand-2); grid-row: 1 / span 2; align-self: center; white-space: nowrap; }

/* 下载 */
.download-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.dl-card { display: grid; gap: 8px; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.dl-card__type {
  justify-self: start; font-size: .66rem; font-weight: 700; letter-spacing: .1em; color: #fff;
  background: var(--brand); padding: 3px 8px; border-radius: 5px;
}
.dl-card h3 { margin: 2px 0 0; font-size: 1rem; }
.dl-card p { font-size: .82rem; margin: 0; }
.dl-card__meta { font-size: .72rem; color: var(--muted); }
.dl-card__file { font-size: .72rem; color: var(--muted); word-break: break-all; font-family: ui-monospace, Menlo, monospace; background: var(--paper); padding: 6px 8px; border-radius: 6px; }
.dl-card .btn { justify-self: start; margin-top: 4px; padding: 9px 18px; font-size: .82rem; }
.dl-card--soon { opacity: .72; }

/* FAQ */
.faq { display: grid; gap: 0; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary {
  display: flex; justify-content: space-between; gap: 16px; align-items: center;
  padding: 15px 4px; cursor: pointer; list-style: none; font-size: .94rem; color: var(--ink); font-weight: 600;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--muted); font-weight: 400; font-size: 1.1rem; }
.faq details[open] summary::after { content: "−"; }
.faq p { padding: 0 4px 16px; margin: 0; font-size: .86rem; color: var(--body); max-width: 78ch; }

/* CTA band */
.cta-band { position: relative; overflow: hidden; background: radial-gradient(900px 380px at 15% 0%, #14523f 0%, #07211c 62%); color: #e7f3ef; padding: 56px 0; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #a8c6bc; max-width: 640px; }
.cta-band__inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 28px; align-items: center; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: 10px; }

/* 页面头（内页） */
.page-hero { background: linear-gradient(180deg, #eef6f2 0%, #fff 100%); padding: 34px 0 40px; border-bottom: 1px solid var(--line); }
.crumb { display: flex; flex-wrap: wrap; gap: 6px; font-size: .76rem; color: var(--muted); margin-bottom: 14px; }
.crumb a { color: var(--muted); }
.crumb a:hover { color: var(--brand); }
.crumb span::before { content: "/"; margin-right: 6px; opacity: .5; }
.page-hero h1 { font-size: clamp(1.6rem, 2.6vw, 2.3rem); margin-bottom: 10px; }
.page-hero p { max-width: 72ch; margin: 0; color: var(--body); }
.page-hero__meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.page-hero__meta span { font-size: .74rem; color: var(--brand); background: #fff; border: 1px solid var(--line); padding: 4px 10px; border-radius: 999px; }

/* 锚点导航 */
.anchor-nav { position: sticky; top: 68px; z-index: 40; background: rgba(255, 255, 255, .95); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.anchor-nav__inner { display: flex; gap: 4px; overflow-x: auto; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.anchor-nav a { padding: 12px 10px; font-size: .82rem; color: var(--muted); white-space: nowrap; border-bottom: 2px solid transparent; }
.anchor-nav a:hover { color: var(--brand); border-bottom-color: var(--brand-2); }

/* 内页内容排版 */
.prose h2 { margin-top: 0; }
.prose h3 { margin-top: 1.6em; }
.prose p, .prose li { font-size: .9rem; }
.lead { font-size: 1.02rem; color: var(--body); }
.note {
  padding: 14px 16px; background: var(--paper); border-left: 3px solid var(--brand-2);
  border-radius: 8px; font-size: .84rem; color: var(--body);
}
.note b { color: var(--ink); }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; align-items: start; }
.split--wide-left { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); }

/* 表格 */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
table.data { width: 100%; border-collapse: collapse; font-size: .82rem; }
table.data th, table.data td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
table.data th { background: var(--paper); font-size: .74rem; letter-spacing: .05em; color: var(--muted); font-weight: 600; white-space: nowrap; }
table.data tr:last-child td { border-bottom: 0; }
table.data td b { color: var(--ink); }
.prio { font-size: .68rem; font-weight: 700; padding: 1px 6px; border-radius: 4px; border: 1px solid var(--line-2); color: var(--muted); }
.prio--p0 { color: var(--danger); border-color: rgba(176, 65, 65, .3); background: rgba(176, 65, 65, .06); }
.prio--p1 { color: var(--amber); border-color: rgba(189, 125, 36, .3); background: rgba(189, 125, 36, .07); }

/* 模块详情 */
.mod-block { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; margin-bottom: 14px; overflow: hidden; scroll-margin-top: 130px; }
.mod-block__head { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 14px; align-items: center; padding: 16px 20px; }
.mod-block__code { font-size: .72rem; font-weight: 700; color: #fff; background: var(--brand); border-radius: 6px; padding: 3px 7px; align-self: start; }
.mod-block h3 { margin: 0 0 3px; font-size: 1rem; }
.mod-block p { margin: 0; font-size: .82rem; color: var(--body); }
.mod-block__meta { font-size: .72rem; color: var(--muted); white-space: nowrap; text-align: right; }
.mod-block__body { padding: 14px 20px 16px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 14px 24px; border-top: 1px dashed var(--line); }
.mod-block__body ul { display: grid; gap: 5px; }
.mod-block__body li { position: relative; padding-left: 15px; font-size: .8rem; }
.mod-block__body li::before { content: "·"; position: absolute; left: 4px; color: var(--brand-2); font-weight: 700; }
.mod-block details { grid-column: 1 / -1; }
.mod-block summary { cursor: pointer; font-size: .8rem; color: var(--brand); padding: 4px 0; }
.mod-block summary::-webkit-details-marker { display: none; }
.mod-block summary::before { content: "▸ "; font-size: .7rem; }
.mod-block details[open] summary::before { content: "▾ "; }
.mod-block .table-wrap { margin-top: 8px; }

/* 角色表 */
.role-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 26px; }
.role { display: grid; grid-template-columns: 7.5em minmax(0, 1fr); gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: .82rem; }
.role b { color: var(--ink); }
.role span { color: var(--muted); }

/* 时间线 */
.timeline { display: grid; gap: 0; }
.tl-item { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 24px; padding: 0 0 26px; position: relative; }
.tl-item::before { content: ""; position: absolute; left: 132px; top: 8px; bottom: -8px; width: 1px; background: var(--line); }
.tl-item:last-child::before { display: none; }
.tl-item__when { font-size: .8rem; font-weight: 700; color: var(--brand); text-align: right; padding-top: 2px; }
.tl-item__body { padding-left: 26px; position: relative; }
.tl-item__body::before { content: ""; position: absolute; left: -4px; top: 7px; width: 9px; height: 9px; border-radius: 50%; background: var(--brand-2); box-shadow: 0 0 0 4px rgba(23, 137, 106, .12); }
.tl-item h3 { font-size: .95rem; margin-bottom: 4px; }
.tl-item p { font-size: .84rem; margin-bottom: 8px; }
.tl-item ul { display: flex; flex-wrap: wrap; gap: 6px; }
.tl-item li { font-size: .72rem; color: var(--brand); background: rgba(23, 137, 106, .08); padding: 3px 9px; border-radius: 999px; }

/* ---------------------------------------------------------- footer */
.site-footer { position: relative; background: linear-gradient(180deg, #0b2b25 0%, #061914 100%); color: #a9c2ba; padding: 0 0 18px; }
.footer-top-line { height: 1px; background: linear-gradient(90deg, transparent, rgba(23, 137, 106, .55) 22%, rgba(23, 137, 106, .75) 50%, rgba(23, 137, 106, .55) 78%, transparent); }
.footer-shell { padding: 42px var(--gutter) 24px; }
.footer-main {
  display: grid; grid-template-columns: minmax(190px, 236px) minmax(0, 1fr) auto;
  gap: 26px 40px; align-items: start; max-width: var(--maxw); margin: 0 auto;
}
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-brand .brand__name { color: #f0f8f5; }
.footer-brand .brand__sub { color: #7f9b93; }
.footer-slogan { font-size: .78rem; color: #93b0a7; line-height: 1.6; margin: 0; }
.footer-cta {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 2px; padding: 7px 14px;
  border: 1px solid rgba(23, 137, 106, .55); border-radius: 999px; color: #cde6dc; font-size: .78rem;
}
.footer-cta:hover { background: rgba(23, 137, 106, .16); color: #fff; }
.footer-nav-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px 24px; }
.footer-col h4 { font-size: .7rem; letter-spacing: .1em; color: #6fd0ad; margin: 0 0 10px; font-weight: 600; }
.footer-col ul { display: grid; gap: 2px; }
.footer-col a { display: block; font-size: .78rem; color: #93b0a7; padding: 3px 0; line-height: 1.45; }
.footer-col a:hover { color: #dff1ea; }
.footer-qr-col { align-self: center; justify-self: end; }
.footer-qr { display: grid; gap: 6px; justify-items: center; margin: 0; text-align: center; max-width: 116px; }
.footer-qr img { width: 88px; height: 88px; border-radius: 8px; background: #fff; padding: 4px; }
.footer-qr figcaption { font-size: .68rem; color: #7f9b93; line-height: 1.5; }
.footer-qr figcaption strong { display: block; color: #cde6dc; font-size: .74rem; }
.footer-trust { max-width: var(--maxw); margin: 0 auto; padding: 22px var(--gutter) 14px; border-top: 1px solid rgba(255, 255, 255, .07); text-align: center; }
.footer-trust-line, .footer-trust-badges, .footer-trust-meta { max-width: 860px; margin-inline: auto; }
.footer-trust-line { margin: 0 auto 10px; font-size: .76rem; color: #93b0a7; }
.footer-trust-line strong { color: #cde6dc; }
.footer-sep { margin: 0 5px; opacity: .35; }
.footer-trust-badges { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 10px; }
.footer-trust-badges li { font-size: .7rem; color: #8fd8bd; background: rgba(23, 137, 106, .12); border: 1px solid rgba(23, 137, 106, .28); padding: 3px 10px; border-radius: 999px; white-space: nowrap; }
.footer-trust-meta { font-size: .76rem; color: #93b0a7; line-height: 1.7; margin: 0; }
.footer-trust-meta a { color: #93b0a7; }
.footer-trust-meta a:hover { color: #dff1ea; }
.footer-bottom { max-width: var(--maxw); margin: 0 auto; padding: 16px var(--gutter) 12px; border-top: 1px solid rgba(255, 255, 255, .06); text-align: center; }
.footer-bottom p { margin: 0; font-size: .72rem; color: #7f9b93; line-height: 1.7; }
.footer-bottom a { color: #8fb3a9; }
.footer-bottom a:hover { color: #dff1ea; }
.footer-corp { color: #a9c9bf !important; text-decoration: none; border-bottom: 1px dotted rgba(143, 179, 169, .5); }
.footer-corp:hover { color: #dff1ea !important; border-bottom-color: #6fd0ad; }

/* 页面水印：极浅平铺，不挡点击，窄屏与打印自动关闭 */
.site-wm {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background-repeat: repeat; background-position: 0 0; opacity: .85;
}
@media (max-width: 900px) { .site-wm { display: none; } }
@media print { .site-wm { display: none !important; } }

.mobile-contact-bar { display: none; }

/* 浮动客服 */
.float-contact { position: fixed; right: 18px; bottom: 22px; z-index: 70; display: grid; gap: 8px; }
.float-contact a, .float-contact button {
  display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); color: var(--brand);
  font-size: .68rem; cursor: pointer; text-align: center; line-height: 1.1;
}
.float-contact a:hover { background: var(--brand); color: #fff; }
.float-contact .qr-bubble {
  position: absolute; right: 58px; bottom: 0; width: 152px; padding: 10px; background: #fff;
  border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); display: none;
}
.float-contact .wechat { position: relative; display: grid; }
.float-contact .wx-btn {
  display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); color: var(--brand);
  font-size: .68rem; cursor: pointer;
}
.float-contact .qr-bubble img { width: 100%; border-radius: 6px; }
.float-contact .qr-bubble span { display: block; text-align: center; font-size: .68rem; color: var(--muted); margin-top: 4px; }
.float-contact .wechat:hover .qr-bubble, .float-contact .wechat:focus-within .qr-bubble { display: block; }

/* 回到顶部 */
.to-top { position: fixed; left: 18px; bottom: 22px; z-index: 70; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); background: #fff; color: var(--muted); cursor: pointer; opacity: 0; pointer-events: none; transition: opacity .2s ease; }
.to-top.is-on { opacity: 1; pointer-events: auto; }
.to-top:hover { color: var(--brand); }

/* 动画：不阻塞首屏，尊重 reduce */
.reveal { opacity: 0; transform: translateY(10px); transition: opacity .5s ease, transform .5s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------------------------------------------------------- AI 能力演示中心 */
.ai-hero {
  padding: 64px 0 54px;
  background:
    radial-gradient(900px 380px at 12% -10%, rgba(23, 137, 106, .13), transparent 65%),
    radial-gradient(700px 320px at 88% 0%, rgba(13, 130, 130, .1), transparent 60%),
    var(--paper);
  border-bottom: 1px solid var(--line);
}
.ai-hero h1 { max-width: 860px; margin: 12px 0 16px; }
.ai-hero__lead { max-width: 760px; font-size: 1.02rem; color: var(--body); }
.ai-hero__meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.ai-hero__meta span {
  font-size: .74rem; color: var(--brand); background: #fff; border: 1px solid var(--line-2);
  padding: 5px 12px; border-radius: 999px;
}

.ai-shell { position: relative; }
.ai-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.ai-tab {
  font: inherit; font-size: .84rem; cursor: pointer; padding: 8px 15px; border-radius: 999px;
  border: 1px solid var(--line-2); background: #fff; color: var(--body); transition: all .18s ease;
}
.ai-tab:hover { border-color: var(--brand-2); color: var(--brand); }
.ai-tab.is-on { background: var(--ink); border-color: var(--ink); color: #fff; box-shadow: var(--shadow-sm); }
.ai-tab.is-locked { opacity: .55; cursor: progress; }

.ai-body { display: grid; grid-template-columns: 352px minmax(0, 1fr); gap: 16px; align-items: start; }
.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }

.ai-left { padding: 20px; position: sticky; top: 84px; }
.ai-left__tag { font-size: .68rem; letter-spacing: .08em; color: var(--brand-2); margin: 0 0 4px; text-transform: uppercase; }
.ai-left h2 { font-size: 1.16rem; margin: 0 0 8px; }
.ai-left__sub { font-size: .82rem; color: var(--body); line-height: 1.75; margin: 0 0 10px; }
.ai-left__role { font-size: .74rem; color: var(--muted); margin: 0 0 12px; }
.ai-left__val { display: grid; gap: 6px; margin: 0 0 14px; }
.ai-left__val li { position: relative; padding-left: 16px; font-size: .79rem; line-height: 1.65; color: var(--body); }
.ai-left__val li::before { content: "›"; position: absolute; left: 2px; color: var(--brand-2); font-weight: 700; }
.ai-talk {
  background: var(--paper); border-left: 3px solid var(--brand-2); border-radius: 8px;
  padding: 10px 12px; font-size: .78rem; line-height: 1.8; color: var(--ink-2); margin-bottom: 14px;
}
.ai-talk b { display: block; font-size: .68rem; letter-spacing: .06em; color: var(--brand-2); margin-bottom: 2px; }
.ai-left__lab { display: block; font-size: .72rem; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.ai-input {
  width: 100%; min-height: 74px; resize: vertical; font: inherit; font-size: .82rem; line-height: 1.7;
  color: var(--ink); padding: 10px 12px; border: 1px solid var(--line-2); border-radius: 10px; background: #fff;
}
.ai-input:focus { outline: none; border-color: var(--brand-2); box-shadow: 0 0 0 3px rgba(23, 137, 106, .12); }
.ai-chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 14px; }
.ai-chip {
  font: inherit; font-size: .72rem; cursor: pointer; padding: 4px 10px; border-radius: 999px;
  border: 1px dashed var(--line-2); background: transparent; color: var(--muted); text-align: left;
}
.ai-chip:hover { border-style: solid; border-color: var(--brand-2); color: var(--brand); }
.ai-run { width: 100%; justify-content: center; }
.ai-run:disabled { opacity: .7; cursor: progress; transform: none; }
.ai-left__note { font-size: .68rem; color: var(--muted); line-height: 1.7; margin: 10px 0 0; }

.ai-stage { min-height: 560px; max-height: 720px; overflow: auto; padding: 18px; background: linear-gradient(180deg, #fbfdfc, #fff 40%); }
.ai-stage__empty { min-height: 480px; display: grid; place-content: center; text-align: center; gap: 4px; color: var(--muted); }
.ai-stage__ico { font-size: 2rem; color: var(--brand-2); opacity: .5; }
.ai-stage__hint { font-size: .78rem; }
.ai-scroll { display: grid; gap: 12px; }

.ai-msg { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 10px; align-items: start; }
.ai-av {
  width: 28px; height: 28px; border-radius: 9px; display: grid; place-items: center;
  font-size: .7rem; font-weight: 700; background: var(--paper-2); color: var(--brand);
}
.ai-av--ai { background: linear-gradient(135deg, var(--brand-2), var(--brand)); color: #fff; }
.ai-bubble {
  background: var(--paper-2); border-radius: 4px 14px 14px 14px; padding: 9px 12px;
  font-size: .84rem; line-height: 1.75; color: var(--ink-2); justify-self: start;
}
.ai-ai-box { min-width: 0; }
.ai-say { font-size: .88rem; line-height: 1.9; color: var(--ink); margin: 2px 0 4px; }
.ai-caret { display: inline-block; width: 7px; height: 15px; background: var(--brand-2); vertical-align: -2px; margin-left: 2px; animation: ai-blink 1s infinite; }
@keyframes ai-blink { 50% { opacity: .25; } }

.ai-steps { display: grid; gap: 5px; padding: 4px 0; }
.ai-step { display: grid; grid-template-columns: 16px minmax(0, 1fr); gap: 8px; font-size: .78rem; color: var(--muted); }
.ai-step__ico { text-align: center; color: var(--line-2); }
.ai-step.is-on { color: var(--ink-2); }
.ai-step.is-on .ai-step__ico { color: var(--brand-2); }
.ai-step.is-done { color: var(--body); }
.ai-step.is-done .ai-step__ico { color: var(--brand-2); }

.ai-out { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #fff; }
.ai-out__t { font-size: .78rem; font-weight: 700; color: var(--ink); padding: 9px 14px; background: var(--paper); border-bottom: 1px solid var(--line); }
.ai-out__scroll { overflow-x: auto; }
.ai-out__n { margin: 0; padding: 9px 14px; font-size: .72rem; color: var(--muted); background: #fbfdfc; border-top: 1px solid var(--line); line-height: 1.7; }
.ai-table { width: 100%; border-collapse: collapse; font-size: .78rem; }
.ai-table th { text-align: left; padding: 7px 12px; background: #f6faf8; color: var(--muted); font-weight: 600; white-space: nowrap; border-bottom: 1px solid var(--line); }
.ai-table td { padding: 7px 12px; border-top: 1px solid #eef4f1; color: var(--body); vertical-align: top; }
.ai-table tr:first-child td { border-top: 0; }
.ai-table td.is-key { color: var(--ink); font-weight: 600; white-space: nowrap; }

.ai-cards { border: 1px solid var(--line); border-radius: 12px; background: #fff; padding: 12px 14px; }
.ai-cards__t { font-size: .74rem; font-weight: 700; color: var(--brand); margin: 0 0 8px; }
.ai-cards__g { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.ai-mini { background: var(--paper); border-radius: 9px; padding: 9px 10px; display: grid; gap: 2px; }
.ai-mini__tag { font-size: .62rem; letter-spacing: .06em; color: var(--brand-2); font-weight: 700; }
.ai-mini strong { font-size: .78rem; color: var(--ink); }
.ai-mini em { font-style: normal; font-size: .71rem; color: var(--muted); line-height: 1.6; }

.ai-note { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 8px; padding: 10px 12px; border-radius: 10px; background: var(--paper); border: 1px solid var(--line); }
.ai-note p { margin: 0; font-size: .78rem; line-height: 1.8; color: var(--body); }
.ai-note__i { width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; font-size: .66rem; font-weight: 700; background: var(--line); color: var(--muted); margin-top: 2px; }
.ai-note.is-ok { background: #eef8f2; border-color: #c9e7d7; }
.ai-note.is-ok p { color: #14603f; }
.ai-note.is-ok .ai-note__i { background: #c9e7d7; color: #14603f; }
.ai-note.is-warn { background: #fdf5e9; border-color: #ecd7b1; }
.ai-note.is-warn p { color: #7a5312; }
.ai-note.is-warn .ai-note__i { background: #ecd7b1; color: #7a5312; }

.ai-bars { display: grid; gap: 7px; padding: 12px 14px; }
.ai-bar { display: grid; grid-template-columns: 132px minmax(0, 1fr) 76px; gap: 10px; align-items: center; font-size: .74rem; }
.ai-bar__l { color: var(--body); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ai-bar__t { height: 8px; border-radius: 5px; background: var(--paper-2); overflow: hidden; }
.ai-bar__t i { display: block; height: 100%; border-radius: 5px; background: linear-gradient(90deg, #35b98d, var(--brand)); }
.ai-bar__t i.is-neg { background: linear-gradient(90deg, #d98a6a, var(--danger)); }
.ai-bar__v { text-align: right; color: var(--ink); font-weight: 600; white-space: nowrap; }

.ai-tl { display: grid; gap: 0; padding: 6px 14px 12px; list-style: none; margin: 0; }
.ai-tl li { display: grid; grid-template-columns: 58px minmax(0, 1fr); gap: 12px; padding: 9px 0 9px 2px; position: relative; }
.ai-tl li::before {
  content: ""; position: absolute; left: 64px; top: 28px; bottom: -4px; width: 1px; background: var(--line);
}
.ai-tl li.is-last::before { display: none; }
.ai-tl__when { font-size: .72rem; color: var(--brand-2); font-weight: 700; padding-top: 2px; }
.ai-tl__bd { position: relative; padding-left: 16px; }
.ai-tl__bd::before {
  content: ""; position: absolute; left: -1px; top: 6px; width: 7px; height: 7px; border-radius: 50%;
  background: #fff; border: 2px solid var(--brand-2);
}
.ai-tl__bd strong { display: block; font-size: .78rem; color: var(--ink); }
.ai-tl__bd em { font-style: normal; font-size: .73rem; color: var(--muted); line-height: 1.7; }

.ai-disclaim { font-size: .7rem; color: var(--muted); line-height: 1.8; margin: 14px 0 0; text-align: center; }

.ai-caps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.ai-cap { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; display: grid; gap: 6px; }
.ai-cap:hover { border-color: var(--line-2); box-shadow: var(--shadow-sm); }
.ai-cap__tag { font-size: .64rem; letter-spacing: .05em; color: var(--brand-2); font-weight: 700; }
.ai-cap h3 { margin: 0; font-size: .98rem; }
.ai-cap__where { margin: 0; font-size: .74rem; color: var(--muted); }
.ai-cap__say { margin: 4px 0; font-size: .78rem; color: var(--ink-2); line-height: 1.7; border-left: 2px solid var(--line-2); padding-left: 9px; }
.ai-cap__out { margin: 0; font-size: .74rem; color: var(--body); }
.ai-cap__out span { display: inline-block; font-size: .62rem; color: var(--brand); background: var(--paper-2); border-radius: 999px; padding: 1px 7px; margin-right: 6px; }
.ai-map-table .data td { vertical-align: top; }
.ai-map-table .data td.is-key { white-space: nowrap; font-weight: 600; color: var(--ink); }
.ai-principle h3 { font-size: .98rem; }
.ai-home-note { margin: 16px 0 0; font-size: .8rem; color: var(--muted); }
.ai-home-note a { font-weight: 600; }
.ai-side-fig { margin: 0; display: grid; gap: 8px; }
.ai-side-fig img { border-radius: 16px; border: 1px solid var(--line); }
.ai-side-fig figcaption { font-size: .74rem; color: var(--muted); line-height: 1.7; }

/* ---------------------------------------------------------- responsive */
@media (max-width: 1080px) {
  .ai-body { grid-template-columns: 1fr; }
  .ai-left { position: static; }
  .ai-stage { max-height: none; }
  .ai-caps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ai-cards__g { grid-template-columns: 1fr; }
}
@media (max-width: 1080px) {
  .nav, .header-cta { display: none; }
  .nav-toggle { display: block; }
  .hero__inner { grid-template-columns: 1fr; gap: 34px; padding-top: 42px; }
  .hero__float--a { left: 8px; }
  .hero__float--b { right: 8px; }
  .module-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-main { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); }
  .footer-qr-col { grid-column: 1 / -1; justify-self: start; }
  .footer-qr { grid-auto-flow: column; align-items: center; text-align: left; max-width: none; }
}
@media (max-width: 860px) {
  :root { --gutter: 18px; }
  .section { padding: 48px 0; }
  .stat-strip__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .stat:nth-child(4) { border-top: 1px solid var(--line); }
  .grid-2, .grid-3, .grid-4, .compliance-grid, .download-grid, .link-grid, .costlist, .binmodel, .mobile-split, .split, .split--wide-left, .report-list, .role-grid { grid-template-columns: 1fr; }
  .pain { grid-template-columns: 30px minmax(0, 1fr); gap: 8px 14px; }
  .pain__fix { grid-column: 2; }
  .tl-item { grid-template-columns: 1fr; gap: 4px; }
  .tl-item::before { display: none; }
  .tl-item__when { text-align: left; }
  .tl-item__body { padding-left: 0; }
  .tl-item__body::before { display: none; }
  .section__head--split { grid-template-columns: 1fr; }
  .cta-band__inner { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-nav-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mod-block__body { grid-template-columns: 1fr; }
  .mod-block__head { grid-template-columns: auto minmax(0, 1fr); }
  .mod-block__meta { grid-column: 2; text-align: left; }
  .report { grid-template-columns: 1fr; }
  .report em { grid-row: auto; grid-column: 1; }
  .float-contact { display: none; }
  .mobile-contact-bar {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 75;
    padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, .96); border-top: 1px solid var(--line); backdrop-filter: blur(10px);
  }
  .mobile-contact-bar a {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px; border-radius: 9px; font-size: .82rem; font-weight: 600;
  }
  .mobile-contact-bar a:first-child { background: var(--ink); color: #fff; }
  .mobile-contact-bar a:last-child { border: 1px solid var(--line-2); color: var(--ink); }
  body { padding-bottom: 58px; }
  .module-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  h1 { font-size: 1.62rem; }
  .hero__float { display: none; }
  .flow { grid-template-columns: 1fr; }
  .footer-nav-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .btn { width: 100%; justify-content: center; }
  .cta-row { width: 100%; }
}

@media print {
  .site-header, .float-contact, .mobile-contact-bar, .to-top, .anchor-nav, .cta-band { display: none !important; }
  body { color: #000; }
  .section { padding: 18px 0; break-inside: avoid; }
  .card, .mod-block { break-inside: avoid; }
}