/* ROOTED TOGETHER · 深呼吸·森之境 v2（见 docs/04-design-system.md） */
:root {
  /* 色板与字体取自 rooted.party：纸感底色 + 深绿墨 + 土壤棕 + 根系金 */
  --c-bg: #EEF0E6;          /* ground */
  --c-bg-2: #E3E8D8;       /* ground-2：分段底色 */
  --c-surface: #F6F7EF;     /* 输入框、弹窗 */
  --c-tint: #E3E8D8;
  --c-tint-2: #D3DAC3;
  --c-title: #1D3325;       /* ink */
  --c-title-soft: #4F6B3A;  /* moss */
  --c-body: #3E4E40;        /* text */
  --c-soft: #4A5A4C;        /* muted */
  --c-muted: #5A6A5C;
  --c-accent: #9A7430;      /* trunk：装饰线与圆点 */
  --c-accent-ink: #6E5320;  /* tag：金色系文字 */
  --c-accent-tint: rgba(217, 178, 106, 0.28);
  --c-icon: #7E9A5C;        /* leaf：图形 */
  --c-icon-ink: #4F6B3A;    /* moss：绿色系文字 */
  --c-border: #C5CDB8;      /* line */
  --c-line-strong: #A9B49A;
  --c-deep: #142219;
  --c-danger: #9C4A3A;
  --c-danger-tint: #F3E4DC;
  --c-frame: #DDE1D0;
  --soil: #2B2118; --soil-text: #EDE3D2; --soil-muted: #BFAF95; --root: #D9B26A;

  --font-serif: 'ZCOOL XiaoWei', 'Songti SC', 'STSong', 'Noto Serif SC', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-en: 'Young Serif', Georgia, 'Times New Roman', serif;
  --font-num: var(--font-en);

  --sp-page: 20px;
  --r-card: 14px;
  --r-input: 14px;
  --shadow-1: none;
  --shadow-2: 0 -6px 20px -8px rgba(29, 51, 37, .18);
  --ease: cubic-bezier(.16, 1, .3, 1);
  --tab-h: 62px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-synthesis: none;
  margin: 0; background: var(--c-frame); color: var(--c-body);
  font: 15px/1.8 var(--font-sans); -webkit-font-smoothing: antialiased;
}
body.no-scroll { overflow: hidden; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; padding: 0; -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 2px solid var(--c-title); outline-offset: 2px; border-radius: 6px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.ic { width: 20px; height: 20px; flex: none; }
.ic-sm { width: 16px; height: 16px; }
.ic-xs { width: 13px; height: 13px; }
.muted { color: var(--c-muted); }

/* ===== App 框架 ===== */
.app {
  position: relative; max-width: 480px; margin: 0 auto; min-height: 100vh; background: var(--c-bg);
  padding-bottom: calc(var(--tab-h) + env(safe-area-inset-bottom, 0px));
}
@media (min-width: 481px) {
  body { padding: 24px 0; }
  .app { min-height: 844px; border-radius: 28px; box-shadow: 0 0 60px rgba(31, 64, 57, .1); }
}

/* ===== 顶栏 ===== */
.topbar {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 30;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px var(--sp-page); min-height: 60px;
  background: rgba(238, 240, 230, .94); backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--c-border);
}
@media (min-width: 481px) { .topbar { border-radius: 28px 28px 0 0; } }
.top-title { flex: 1; font: 600 16px/1.3 var(--font-serif); color: var(--c-title); letter-spacing: .04em; }
.icon-btn { position: relative; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%; color: var(--c-title); flex: none; transition: background .2s; }
.icon-btn:active { background: var(--c-tint); }
.icon-btn .dot { position: absolute; top: 11px; right: 12px; width: 8px; height: 8px; background: var(--c-accent); border-radius: 50%; border: 2px solid var(--c-bg); }

/* ===== 底部 Tab ===== */
.tabbar {
  position: fixed; left: 50%; bottom: 0; transform: translateX(-50%); width: 100%; max-width: 480px; z-index: 30;
  display: grid; grid-template-columns: repeat(4, 1fr);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: rgba(238, 240, 230, .96); backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-top: 1px solid var(--c-border);
}
.tab { position: relative; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 0 10px; font-size: 12px; letter-spacing: .06em; color: var(--c-soft); min-height: var(--tab-h); }
.tab.active { color: var(--c-title); font-weight: 500; }
.tab.active::after { content: ''; position: absolute; bottom: 3px; width: 18px; height: 3px; border-radius: 3px; background: var(--c-accent); }

/* ===== 视图 ===== */
.view { animation: view-in .28s var(--ease); }
.view.has-cta { padding-bottom: 96px; }
@keyframes view-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.view > *:not(.hero):not(.disclaimer):not(.cover):not(.cover-illu):not(.band) { margin-left: var(--sp-page); margin-right: var(--sp-page); }
.view > .sec, .view > .sec-sm { margin-top: 44px; }
.view > .sec-sm { margin-top: 32px; }

.kicker { font-size: 12px; letter-spacing: .06em; color: var(--c-icon-ink); font-weight: 500; }
.kicker-lg { font-size: 13px; letter-spacing: .06em; color: var(--c-icon-ink); font-weight: 500; }

/* ===== 页头 ===== */
.page-head { margin-top: 28px; margin-bottom: 20px; display: grid; gap: 8px; }
.page-lead { font-size: 14px; color: var(--c-soft); max-width: 36em; }
.en-title { font: 500 12px/1.4 var(--font-num); letter-spacing: .16em; text-transform: uppercase; color: var(--c-soft); }
.page-head.with-illu .illu { margin-top: 8px; }

/* ===== 首页 Hero ===== */
.illu { display: block; width: 100%; height: auto; max-width: 100%; }
.illu-sm { width: 120px; margin: 0 auto; }

/* ===== 区块标题 ===== */
.sec-aside { font-size: 12px; color: var(--c-soft); letter-spacing: .04em; padding-bottom: 3px; text-align: right; }
.sec-lead { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; color: var(--c-soft); margin-bottom: 14px; }
.sec-lead .ic { margin-top: 4px; color: var(--c-icon-ink); }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 48px; padding: 0 22px;
  border: 1px solid transparent; border-radius: 999px; font-size: 15px; font-weight: 500; letter-spacing: .04em; white-space: nowrap;
  transition: transform .15s var(--ease), background .2s, border-color .2s; cursor: pointer;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--c-title); color: var(--c-bg); }
.btn-primary[disabled] { opacity: .45; cursor: not-allowed; }
.btn-ghost:active { background: var(--c-tint); }
.btn-block { display: flex; width: 100%; }
.btn.sm { min-height: 40px; padding: 0 16px; font-size: 14px; }
.btn-done { background: var(--c-tint); color: var(--c-icon-ink); cursor: default; flex: 1; }
.text-btn { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; font-size: 13px; color: var(--c-title-soft); }
.text-btn.danger { color: var(--c-danger); }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; font-size: 14px; color: var(--c-title-soft); margin-top: 6px; transition: gap .2s; }
.link-arrow:active { gap: 10px; }
.link-arrow.sm { font-size: 13px; min-height: 36px; margin-top: 0; }
.two-btn { display: flex; gap: 10px; margin-top: 8px; }
.two-btn .btn { flex: 1; padding: 0 12px; }
.note { font-size: 12px; color: var(--c-soft); text-align: center; margin-top: 10px; line-height: 1.7; }
.note.left { text-align: left; margin-top: 8px; }
.note a, .footnote a, .disclaimer a { text-decoration: underline; text-underline-offset: 3px; color: var(--c-title); }

/* ===== 卡片 ===== */
.card { display: block; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r-card); box-shadow: var(--shadow-1); transition: transform .15s var(--ease), border-color .2s; }
a.card:active { transform: scale(.985); border-color: var(--c-icon); }
.card-flat { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r-card); }
.stack-list { display: grid; gap: 12px; }
.stack-list.tight { gap: 8px; }

.avatar { display: grid; place-items: center; width: 44px; height: 44px; flex: none; border-radius: 50%; background: var(--c-tint-2); color: var(--c-title); font: 600 18px/1 var(--font-serif); }
.avatar-lg { width: 72px; height: 72px; font-size: 30px; }
.avatar-sm { width: 32px; height: 32px; font-size: 14px; }
.peer-role { display: block; font-size: 12.5px; color: var(--c-soft); }
.peer-bio { display: block; font-size: 13px; color: var(--c-body); line-height: 1.7; }
.peer-card { padding: 16px; }
.peer-head { display: flex; align-items: center; gap: 12px; }
.peer-head-info { flex: 1; min-width: 0; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tags.center { justify-content: center; }
.tag { display: inline-block; font-size: 12px; line-height: 1.5; padding: 2px 10px; border-radius: 999px; font-weight: 500; letter-spacing: .03em; }
.tag-kind { background: var(--c-tint); color: var(--c-icon-ink); }
.tag-pro { background: var(--c-accent-tint); color: var(--c-accent-ink); }
.tag-scene { background: var(--c-title); color: var(--c-bg); }
.tag-dir { border: 1px solid var(--c-border); color: var(--c-body); }
.peer-fields { display: grid; gap: 8px; margin-top: 12px; }
.peer-fields dt { display: inline; font-size: 12px; font-weight: 600; color: var(--c-icon-ink); margin-right: 8px; letter-spacing: .04em; }
.peer-fields dd { display: inline; font-size: 13px; }

/* ===== 连接三步 ===== */
.flow { display: grid; }
.flow li { display: grid; grid-template-columns: 32px 1fr; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--c-border); }
.flow li:first-child { padding-top: 4px; }
.flow-t { font: 600 16px/1.5 var(--font-serif); color: var(--c-title); }
.flow-d { font-size: 13px; color: var(--c-soft); }

/* ===== 手风琴等 ===== */
.brand-img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--r-card); margin-bottom: 12px; filter: saturate(.92); }
.acc { border-top: 1px solid var(--c-border); }
.acc-item { border-bottom: 1px solid var(--c-border); }
.acc-head { width: 100%; min-height: 56px; display: flex; align-items: center; justify-content: space-between; text-align: left; font: 600 17px/1.4 var(--font-serif); color: var(--c-title); }
.acc-head .ic { color: var(--c-icon-ink); transition: transform .3s var(--ease); }
.acc-item.open .acc-head .ic { transform: rotate(45deg); }
.acc-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s var(--ease); }
.acc-body > p { overflow: hidden; font-size: 14px; }
.acc-item.open .acc-body { grid-template-rows: 1fr; }
.acc-item.open .acc-body > p { padding-bottom: 16px; }
.global-teaser > span:nth-child(2) { flex: 1; }

/* ===== 同行名录 ===== */
.search-wrap { position: relative; margin-bottom: 10px; }
.search-wrap .ic { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--c-soft); pointer-events: none; }
.search, .input, .select, .textarea { width: 100%; background: var(--c-surface); border: 1px solid var(--c-line-strong); border-radius: var(--r-input); padding: 0 14px; min-height: 48px; font-size: 15px; outline: none; transition: border-color .2s, box-shadow .2s; }
.search { padding-left: 42px; }
.textarea { padding: 12px 14px; line-height: 1.7; resize: vertical; min-height: 88px; }
.search:focus, .input:focus, .select:focus, .textarea:focus { border-color: var(--c-title-soft); box-shadow: 0 0 0 3px rgba(126, 154, 92, .25); }
.invalid { border-color: var(--c-danger) !important; }
.select { appearance: none; -webkit-appearance: none; padding-right: 36px; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235E6965' stroke-width='2'><path d='m6 9 6 6 6-6'/></svg>"); background-repeat: no-repeat; background-position: right 12px center; background-size: 16px; cursor: pointer; }
.selects { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.select-wrap { display: block; }
.chips { display: flex; gap: 8px; overflow-x: auto; margin: 12px calc(-1 * var(--sp-page)) 0; padding: 2px var(--sp-page) 8px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chips.wrap { flex-wrap: wrap; overflow: visible; margin: 0; padding: 0; }
.chip { flex: none; min-height: 40px; padding: 0 14px; border: 1px solid var(--c-border); border-radius: 999px; background: var(--c-surface); font-size: 13px; color: var(--c-body); transition: all .2s; }
.chip.on { background: var(--c-tint); border-color: var(--c-icon); color: var(--c-title); font-weight: 500; }
.list-meta { display: flex; align-items: center; justify-content: space-between; margin: 12px 0 4px; font-size: 13px; color: var(--c-soft); }
.list-meta strong { color: var(--c-title); font-weight: 600; }
.group { margin-top: 20px; }
.group-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 10px; }
.group-head h3 { font: 600 16px/1.4 var(--font-serif); color: var(--c-title); }
.group-head span { font-size: 12px; color: var(--c-soft); }
.hint { margin-top: 28px; padding: 14px 16px; background: var(--c-tint); border-radius: 16px; font-size: 13px; color: var(--c-soft); text-align: center; line-height: 1.7; }
.hint.warn { text-align: left; background: var(--c-accent-tint); color: var(--c-accent-ink); margin: 16px 0 12px; }
.hint.danger { text-align: left; background: var(--c-danger-tint); color: var(--c-danger); margin: 0 0 14px; }
.empty { display: grid; gap: 14px; justify-items: center; text-align: center; padding: 40px 0 16px; font-size: 14px; color: var(--c-soft); }

/* ===== ROOTED CARD ===== */
.person-head { display: grid; justify-items: center; gap: 4px; margin-top: 28px; text-align: center; }
.person-name { font: 600 28px/1.3 var(--font-serif); color: var(--c-title); margin-top: 8px; }
.person-role { font-size: 14px; color: var(--c-soft); }
.block { margin-top: 24px; }
.block > p, .block > ul, .block > ol { margin-top: 6px; }
.label { font-size: 12px; font-weight: 600; letter-spacing: .12em; color: var(--c-icon-ink); }
.lead-p { font-size: 16px; color: var(--c-body); line-height: 1.85; }
.muted-p { font-size: 14px; color: var(--c-soft); margin-top: 6px; }
.two-col { display: grid; grid-template-columns: 1fr; gap: 0; }
.boundary { margin-top: 28px; padding: 18px 18px 6px; background: var(--c-tint); border-radius: 18px; box-shadow: inset 3px 0 0 var(--c-icon); }
.boundary-title { display: flex; align-items: center; gap: 8px; font: 600 16px/1.4 var(--font-serif); color: var(--c-title); margin-bottom: 8px; }
.boundary dl { display: grid; }
.boundary dl > div { padding: 12px 0; border-top: 1px dashed var(--c-line-strong); }
.boundary dt { font-size: 12px; font-weight: 600; color: var(--c-icon-ink); letter-spacing: .06em; }
.boundary dd { font-size: 14px; }
.boundary.compact { padding: 12px 14px; margin: 12px 0; }
.boundary.compact p { font-size: 13px; padding-bottom: 6px; }
.form-boundary { padding-bottom: 18px; }
.connect-box { margin-top: 28px; padding: 20px; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r-card); box-shadow: var(--shadow-1); display: grid; gap: 10px; }
.connect-box p { font-size: 14px; color: var(--c-soft); }
.connect-box .btn { margin-top: 4px; }
.sent { display: grid; gap: 8px; justify-items: start; }
.sent p { font-size: 13px; }
.footnote { margin-top: 20px; font-size: 12px; color: var(--c-soft); line-height: 1.8; }
.footnote.center { text-align: center; }
.mini-link { display: flex; align-items: center; gap: 12px; padding: 12px 14px; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 16px; }
.mini-link > span:nth-child(2) { flex: 1; min-width: 0; }

/* ===== 活动 ===== */
.event-card { overflow: hidden; }
.event-card.is-past { opacity: .92; }
.event-banner { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; filter: saturate(.92); }
.event-row { display: flex; gap: 14px; padding: 16px; }
.event-main { flex: 1; min-width: 0; display: grid; gap: 2px; }
.event-meta { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.event-title { font: 600 17px/1.4 var(--font-serif); color: var(--c-title); margin-top: 4px; }
.event-en { font: 500 11px/1.4 var(--font-num); letter-spacing: .1em; text-transform: uppercase; color: var(--c-soft); }
.event-info { display: grid; gap: 2px; margin-top: 6px; font-size: 12.5px; color: var(--c-soft); }
.event-info span { display: flex; align-items: center; gap: 6px; }
.pill { display: inline-block; flex: none; font-size: 12px; line-height: 1.5; padding: 2px 10px; border-radius: 999px; font-weight: 500; }
.pill-up { background: var(--c-accent-tint); color: var(--c-accent-ink); }
.pill-reg { background: var(--c-tint); color: var(--c-icon-ink); }
.pill-past { border: 1px solid var(--c-border); color: var(--c-soft); background: var(--c-bg); }
.month { margin-top: 18px; }
.month-head { display: flex; justify-content: space-between; font-size: 13px; font-weight: 600; color: var(--c-soft); margin-bottom: 10px; letter-spacing: .04em; }

.path::before { content: ''; position: absolute; left: 10%; right: 10%; top: 40px; border-top: 1.5px dashed var(--c-line-strong); }
.path-node { position: relative; display: grid; justify-items: center; gap: 4px; min-height: 44px; }
.path-dot { position: relative; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--c-surface); border: 1.5px solid var(--c-line-strong); color: var(--c-title-soft); }
.path-dot .ic { width: 22px; height: 22px; }
.path-node.reg .path-dot { background: var(--c-tint); border-color: var(--c-icon); color: var(--c-title); }
.path-flag { position: absolute; top: -2px; right: -2px; width: 10px; height: 10px; border-radius: 50%; background: var(--c-accent); border: 2px solid var(--c-surface); }
.path-name { font-size: 12px; color: var(--c-body); font-weight: 500; white-space: nowrap; }
.path-date { font: 500 12px/1 var(--font-num); color: var(--c-soft); }

.cover { width: calc(100% - 2 * var(--sp-page)); margin: 0 auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--r-card); filter: saturate(.92); }
.cover-illu { margin: 0 var(--sp-page); padding: 14px; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r-card); background-image: repeating-radial-gradient(circle at 18% 12%, transparent 0 46px, rgba(126, 154, 92, .06) 46px 47px); }
.info-card { margin-top: 16px; padding: 6px 16px; }
.info-row { display: flex; align-items: center; gap: 14px; padding: 12px 0; }
.info-row + .info-row { border-top: 1px solid var(--c-border); }
.info-ic { display: grid; place-items: center; width: 40px; height: 40px; flex: none; border-radius: 50%; background: var(--c-tint); color: var(--c-title); }
.info-label { display: block; font-size: 12px; color: var(--c-soft); }
.info-value { display: block; font-size: 15px; color: var(--c-body); line-height: 1.5; }
.echo { display: flex; gap: 14px; align-items: flex-start; margin-top: 16px; padding: 16px; border-radius: 18px; background: var(--c-accent-tint); }
.echo-ic { display: grid; place-items: center; width: 40px; height: 40px; flex: none; border-radius: 50%; background: var(--c-surface); color: var(--c-accent-ink); }
.echo > span:last-child { display: grid; gap: 2px; }
.echo .label { color: var(--c-accent-ink); }
.echo-t { font-size: 13px; color: var(--c-soft); }
.echo-o { font: 600 15px/1.6 var(--font-serif); color: var(--c-title); }
.dots li { position: relative; padding-left: 18px; margin-top: 8px; font-size: 14.5px; }
.dots li::before { content: ''; position: absolute; left: 2px; top: .75em; width: 6px; height: 6px; border-radius: 50%; background: var(--c-icon); }
.timeline li { display: grid; grid-template-columns: 56px 1fr; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--c-border); font-size: 14.5px; }
.timeline time { font: 500 14px/1.9 var(--font-num); color: var(--c-accent-ink); font-variant-numeric: tabular-nums; }
.stack { display: flex; margin-top: 10px; padding-left: 8px; }
.stack-item { margin-left: -8px; border-radius: 50%; box-shadow: 0 0 0 2px var(--c-bg); }
.stack-item .avatar { width: 44px; height: 44px; }
.roles { font-size: 13px; color: var(--c-body); margin-top: 8px; }
.questions { display: grid; gap: 14px; margin-top: 10px; }
.questions li { display: flex; gap: 12px; }
.questions li > div { flex: 1; min-width: 0; }
.questions p { font-size: 14.5px; }
.q-name { display: block; font-size: 12.5px; font-weight: 600; color: var(--c-icon-ink); }
.q-form { display: flex; gap: 8px; margin-top: 14px; }
.q-form .btn { padding: 0 18px; }
.foot-actions { display: flex; justify-content: space-between; margin-top: 24px; padding-top: 8px; border-top: 1px solid var(--c-border); }
.output { padding: 16px; background: var(--c-tint); border-radius: 16px; }
.needs { display: grid; gap: 10px; margin-top: 8px; }
.needs li { padding: 12px 14px; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 14px; }
.needs p { font-size: 14px; }
.rating { display: flex; gap: 8px; margin: 12px 0; }
.rate { width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--c-border); background: var(--c-surface); font: 600 16px/1 var(--font-serif); color: var(--c-title); }
.rate.on { background: var(--c-title); color: var(--c-bg); border-color: var(--c-title); }
.block .textarea { margin: 0 0 12px; min-height: 64px; }
.thanks { display: flex; align-items: center; gap: 8px; margin-top: 10px; font-size: 14px; color: var(--c-icon-ink); }

/* ===== 固定 CTA ===== */
.cta { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(var(--tab-h) + env(safe-area-inset-bottom, 0px)); width: 100%; max-width: 480px; z-index: 25; background: var(--c-surface); border-top: 1px solid var(--c-border); box-shadow: var(--shadow-2); }
.cta-inner { padding: 12px var(--sp-page) 10px; }
.cta-note { font-size: 12px; color: var(--c-soft); text-align: center; margin-top: 6px; line-height: 1.5; }
.cta-row { display: flex; gap: 10px; }

/* ===== 我的 ===== */
.status-card { padding: 22px 20px; display: grid; gap: 10px; background-image: repeating-radial-gradient(circle at 100% 0%, transparent 0 46px, rgba(126, 154, 92, .07) 46px 47px); }
.badge { justify-self: start; font: 500 11px/1 var(--font-num); letter-spacing: .14em; padding: 6px 10px; border: 1px solid var(--c-icon); border-radius: 999px; color: var(--c-icon-ink); }
.badge.ok { background: var(--c-tint); }
.status-title { font: 600 22px/1.4 var(--font-serif); color: var(--c-title); }
.status-text { font-size: 14px; color: var(--c-soft); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin: 8px 0; }
.steps li { position: relative; display: grid; justify-items: center; gap: 6px; font-size: 12px; color: var(--c-soft); text-align: center; }
.steps li::before { content: ''; position: absolute; top: 9px; left: -50%; width: 100%; border-top: 2px solid var(--c-border); }
.steps li:first-child::before { display: none; }
.steps li.done::before, .steps li.now::before { border-color: var(--c-icon); }
.step-dot { position: relative; display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: var(--c-surface); border: 2px solid var(--c-border); color: var(--c-bg); }
.steps li.done .step-dot { background: var(--c-icon-ink); border-color: var(--c-icon-ink); }
.steps li.now .step-dot { border-color: var(--c-accent); background: var(--c-accent-tint); }
.steps li.now, .steps li.done { color: var(--c-title); font-weight: 500; }
.app-sum { display: grid; gap: 4px; padding: 10px 0; border-top: 1px dashed var(--c-border); }
.app-sum > div { display: flex; gap: 12px; font-size: 13px; }
.app-sum dt { color: var(--c-soft); width: 40px; flex: none; }
.menu { margin-top: 28px; border-top: 1px solid var(--c-border); }
.menu-item { display: flex; align-items: center; gap: 14px; min-height: 68px; padding: 10px 0; border-bottom: 1px solid var(--c-border); }
.menu-item > span:nth-child(2) { flex: 1; }
.menu-t { display: block; font: 600 16px/1.4 var(--font-serif); color: var(--c-title); }
.menu-d { display: block; font-size: 12.5px; color: var(--c-soft); }
.logout { margin-top: 24px; }
.demo { margin-top: 28px; padding: 14px 16px; background: var(--c-tint); border-radius: 16px; font-size: 12.5px; color: var(--c-soft); }
.demo summary { min-height: 32px; font-weight: 600; color: var(--c-title); cursor: pointer; }
.demo p { margin: 6px 0 12px; }
.seg { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; padding: 4px; background: var(--c-surface); border-radius: 12px; }
.seg-btn { min-height: 40px; border-radius: 9px; font-size: 13px; color: var(--c-body); }
.seg-btn.on { background: var(--c-title); color: var(--c-bg); }
.conns { display: grid; gap: 10px; }
.conns li { padding: 12px 14px; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 16px; }
.conn-head { display: flex; align-items: center; gap: 10px; }
.conn-head > span:nth-child(2) { flex: 1; min-width: 0; }
.conn-text { font-size: 13.5px; margin-top: 8px; }
.conn-act { display: flex; gap: 8px; margin-top: 10px; }
.notifs { display: grid; gap: 10px; }
.notifs li { padding: 14px 16px; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 16px; }
.notifs strong { font: 600 15px/1.5 var(--font-serif); color: var(--c-title); }
.notifs p { font-size: 13.5px; color: var(--c-soft); }

/* ===== 表单 ===== */
.form { display: grid; gap: 22px; }
.fs { border: 0; padding: 0; margin: 0; min-width: 0; display: grid; gap: 16px; }
.fs-t { padding: 0; font: 600 16px/1.4 var(--font-serif); color: var(--c-title); margin-bottom: 4px; }
.field { display: grid; gap: 8px; }
.field-label { font-size: 13.5px; font-weight: 500; color: var(--c-title-soft); }
.req { color: var(--c-accent-ink); margin-left: 4px; font-weight: 600; }
.field-err { font-size: 13px; color: var(--c-danger); }
.counter { font-size: 12px; color: var(--c-soft); text-align: right; }
.radios { display: grid; gap: 8px; }
.radio-card { display: flex; gap: 12px; align-items: flex-start; padding: 14px; text-align: left; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 16px; min-height: 64px; transition: all .2s; }
.radio-card.selected { border-color: var(--c-icon); background: var(--c-tint); }
.radio-dot { position: relative; width: 20px; height: 20px; margin-top: 2px; flex: none; border: 2px solid var(--c-line-strong); border-radius: 50%; }
.radio-card.selected .radio-dot { border-color: var(--c-icon-ink); }
.radio-card.selected .radio-dot::after { content: ''; position: absolute; inset: 3px; border-radius: 50%; background: var(--c-icon-ink); }
.radio-t { display: block; font: 600 15px/1.5 var(--font-serif); color: var(--c-title); }
.radio-d { display: block; font-size: 13px; color: var(--c-soft); }
.agree { padding: 14px; background: var(--c-tint); border-radius: 16px; display: grid; gap: 12px; }
.agree ol { list-style: decimal; padding-left: 20px; font-size: 13px; color: var(--c-soft); display: grid; gap: 4px; }
.check { display: flex; gap: 10px; align-items: flex-start; min-height: 44px; padding: 6px 0; font-size: 13.5px; cursor: pointer; }
.check input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.check-box { display: grid; place-items: center; width: 22px; height: 22px; margin-top: 1px; flex: none; border: 2px solid var(--c-line-strong); border-radius: 6px; color: transparent; background: var(--c-surface); transition: all .2s; }
.check input:checked + .check-box { background: var(--c-icon-ink); border-color: var(--c-icon-ink); color: var(--c-bg); }
.check input:focus-visible + .check-box { outline: 2px solid var(--c-title); outline-offset: 2px; }
.success { display: grid; justify-items: center; gap: 12px; text-align: center; margin-top: 32px; margin-bottom: 20px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.stats > div { display: grid; gap: 2px; justify-items: center; padding: 16px 8px; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 16px; }
.stats strong { font: 600 28px/1.2 var(--font-serif); color: var(--c-title); }
.stats span { font-size: 13px; color: var(--c-body); }
.stats small { font: 500 11px/1.4 var(--font-num); letter-spacing: .1em; color: var(--c-soft); text-transform: uppercase; }

/* ===== 弹窗与提示 ===== */
.sheet[hidden] { display: none; }
.sheet-backdrop { position: fixed; inset: 0; z-index: 50; background: rgba(20, 40, 35, .42); backdrop-filter: blur(6px); opacity: 0; transition: opacity .24s; }
.sheet.open .sheet-backdrop { opacity: 1; }
.sheet-panel { position: fixed; left: 50%; bottom: 0; z-index: 60; width: 100%; max-width: 480px; max-height: 88vh; overflow-y: auto; padding: 12px var(--sp-page) calc(28px + env(safe-area-inset-bottom, 0px)); background: var(--c-bg); border-radius: 24px 24px 0 0; box-shadow: 0 -20px 60px rgba(31, 64, 57, .18); transform: translate(-50%, 100%); transition: transform .3s var(--ease); }
.sheet.open .sheet-panel { transform: translate(-50%, 0); }
.sheet-handle { width: 36px; height: 4px; margin: 0 auto 16px; border-radius: 4px; background: var(--c-line-strong); }
.sheet-title { font: 600 20px/1.4 var(--font-serif); color: var(--c-title); }
.sheet-lead { font-size: 13.5px; color: var(--c-soft); margin: 4px 0 8px; }
.sheet form { display: grid; gap: 12px; margin-top: 8px; }
.toast { position: fixed; left: 50%; bottom: calc(var(--tab-h) + 84px + env(safe-area-inset-bottom, 0px)); z-index: 80; transform: translate(-50%, 8px); max-width: calc(100% - 32px); padding: 10px 18px; border-radius: 999px; background: var(--c-deep); color: var(--c-bg); font-size: 13.5px; line-height: 1.5; opacity: 0; transition: opacity .25s, transform .25s var(--ease); pointer-events: none; text-align: center; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ===== 品牌头部（参考 rooted.party 的字标） ===== */
.brand { display: flex; align-items: baseline; gap: 8px; color: var(--c-title); }
.brand-t { font: 400 22px/1 var(--font-en); letter-spacing: .06em; }
.brand-cn { font: 400 19px/1 var(--font-serif); letter-spacing: .04em; }
.eyebrow { font: 400 12px/1.4 var(--font-en); letter-spacing: .1em; text-transform: uppercase; color: var(--c-accent-ink); }
.page-title { font: 400 30px/1.3 var(--font-serif); color: var(--c-title); letter-spacing: .02em; text-wrap: balance; }
.peer-name { display: block; font: 400 21px/1.4 var(--font-serif); color: var(--c-title); letter-spacing: .02em; }

/* ===== 首页：地面之上 / 地面之下 ===== */
.hero { position: relative; }
.hero-above { position: relative; padding: 36px var(--sp-page) 104px; }
.hero-title { font: 400 42px/1.22 var(--font-serif); color: var(--c-title); letter-spacing: .02em; margin-top: 10px; }
.hero-title span { display: block; }
.hero-sub { margin-top: 18px; font-size: 16px; line-height: 1.85; color: var(--c-muted); max-width: 20em; }
.hero-cta { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 24px; margin-top: 26px; }
.hero-cta .link { font-size: 15px; font-weight: 500; text-decoration: underline; text-underline-offset: 6px; min-height: 44px; display: inline-flex; align-items: center; }
.sprouts { position: absolute; left: 0; right: 0; bottom: 0; height: 92px; pointer-events: none; }
.sprout { position: absolute; bottom: 0; left: var(--x); width: 96px; margin-left: -48px; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.sprout span { font-size: 12px; color: var(--c-icon-ink); white-space: nowrap; }
.sprout svg { display: block; width: 30px; height: 50px; }
.sprout .stem { stroke: var(--c-title); fill: none; }
.leaf-a { fill: #7E9A5C; }
.leaf-b { fill: #5E7A45; }
.soil { position: relative; height: 264px; overflow: hidden; background: var(--soil); color: var(--soil-text); }
.soil .roots { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.soil-slogan { position: absolute; left: var(--sp-page); right: var(--sp-page); bottom: 28px; }
.soil-slogan .en { font: 400 25px/1.25 var(--font-en); color: var(--soil-text); }
.soil-slogan .en span { display: block; }
.soil-slogan .cn { margin-top: 8px; font: 400 18px/1.4 var(--font-serif); letter-spacing: .08em; color: var(--root); }
.band { background: var(--c-bg-2); padding: 40px var(--sp-page); }
.view > .band { margin-top: 44px; }

/* ===== 区块标题：粗墨线 + 中文标题 ===== */
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin-bottom: 16px; padding-top: 14px; border-top: 2px solid var(--c-title); }
.sec-head .eyebrow { display: none; }
.sec-title { font: 400 26px/1.35 var(--font-serif); color: var(--c-title); }

/* ===== 同行行（首页预览）：细线分隔，不用卡片 ===== */
.peer-rows { border-top: 1px solid var(--c-border); }
.peer-row { display: flex; align-items: center; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--c-border); }
.peer-row-main { flex: 1; min-width: 0; display: grid; gap: 1px; }
.peer-row .peer-bio { margin-top: 4px; font-size: 13.5px; color: var(--c-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ===== 日期块 ===== */
.date-tile { display: grid; align-content: center; justify-items: center; width: 56px; height: 64px; flex: none; border: 1.5px solid var(--c-title); border-radius: 12px; color: var(--c-title); }
.date-tile.is-field { background: var(--soil); border-color: var(--soil); color: var(--soil-text); }
.dt-m { font: 400 11px/1 var(--font-en); letter-spacing: .12em; color: var(--c-accent-ink); }
.date-tile.is-field .dt-m { color: var(--root); }
.dt-d { font: 400 26px/1.15 var(--font-en); }

/* ===== 生长路径 ===== */
.path { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 2px; padding: 22px 0 14px; border-top: 2px solid var(--c-title); border-bottom: 1px solid var(--c-border); }

/* ===== 按钮：1.5px 墨色描边的胶囊 ===== */
.btn-ghost { border: 1.5px solid var(--c-title); color: var(--c-title); background: transparent; }
.btn-ghost:active { background: var(--c-title); color: var(--c-bg); }
.btn-primary { border-color: var(--c-title); }
.btn-primary:active { background: var(--c-title-soft); border-color: var(--c-title-soft); }
.flow-n { display: grid; place-items: center; width: 28px; height: 28px; margin-top: 2px; border-radius: 50%; border: 1.5px solid var(--c-accent); color: var(--c-accent-ink); font: 400 14px/1 var(--font-en); }

/* ===== Tab：无底色，仅金色短线 ===== */
.tab-ic { display: grid; place-items: center; width: 40px; height: 28px; }

/* ===== 页脚：土壤 ===== */
.global-teaser { display: flex; align-items: center; gap: 12px; padding: 14px 16px; margin-top: 20px; }
.disclaimer { margin-top: 56px; padding: 36px var(--sp-page) 40px; background: var(--soil); color: var(--soil-muted); font-size: 13px; line-height: 1.85; }
.disclaimer strong { color: var(--root); font-weight: 500; }
.disclaimer a { color: var(--soil-text); }
.foot-mark { display: flex; align-items: baseline; gap: 10px; margin-bottom: 14px; color: var(--soil-text); }
.foot-mark .en { font: 400 28px/1 var(--font-en); letter-spacing: .05em; }
.foot-mark .cn { font: 400 22px/1 var(--font-serif); color: var(--root); }

/* ===== 深呼吸·森之境（v2）覆盖：仅在 data-style="forest" 时生效 ===== */
:root[data-style="forest"] {
  /* 深呼吸·森之境（v2） */
  --c-bg: #F7F4EF; --c-bg-2: #E8F2EC; --c-surface: #FDFBF7; --c-tint: #E8F2EC; --c-tint-2: #DCE9DF;
  --c-title: #2E5C50; --c-title-soft: #4A7A6E; --c-body: #424C48; --c-soft: #5E6965; --c-muted: #737C77;
  --c-accent: #D9B36A; --c-accent-ink: #7A5C26; --c-accent-tint: rgba(217, 179, 106, 0.18);
  --c-icon: #7FB5A0; --c-icon-ink: #3F7262; --c-border: #E0E6E2; --c-line-strong: #C9D3CD; --c-deep: #1F4039;
  --c-danger: #9C4A3A; --c-danger-tint: #F6E9E4; --c-frame: #E8E4DD;
  --font-serif: 'Noto Serif SC', 'Songti SC', 'STSong', serif;
  --font-en: 'Noto Serif SC', 'Songti SC', serif;
  --font-num: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --r-card: 20px; --r-input: 12px;
  --shadow-1: 0 1px 2px rgba(46, 92, 80, .04), 0 4px 16px rgba(46, 92, 80, .06);
  --shadow-2: 0 -8px 28px -6px rgba(46, 92, 80, .16);
}
:root[data-style="forest"] body { font-synthesis: weight; }
:root[data-style="forest"] .topbar { background: rgba(247, 244, 239, .9); }
:root[data-style="forest"] .tabbar { background: rgba(253, 251, 247, .94); }
:root[data-style="forest"] .brand { display: flex; align-items: center; gap: 10px; }
:root[data-style="forest"] .logo-mark { width: 32px; height: 32px; flex: none; }
:root[data-style="forest"] .brand-t { display: block; font: 600 15px/1.2 var(--font-serif); letter-spacing: .1em; color: var(--c-title); }
:root[data-style="forest"] .brand-s { display: block; font-size: 11px; letter-spacing: .12em; color: var(--c-icon-ink); text-transform: uppercase; margin-top: 2px; }
:root[data-style="forest"] .hero { position: relative; overflow: hidden; padding: 32px var(--sp-page) 8px; }
:root[data-style="forest"] .hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background: repeating-radial-gradient(circle at 88% 6%, transparent 0 46px, rgba(127, 181, 160, .07) 46px 47px);
}
:root[data-style="forest"] .hero-inner { position: relative; display: grid; gap: 14px; }
:root[data-style="forest"] .hero-title { font: 600 36px/1.3 var(--font-serif); color: var(--c-title); letter-spacing: .01em; }
:root[data-style="forest"] .hero-title .accent { color: var(--c-title-soft); }
:root[data-style="forest"] .hero-sub { font-size: 16px; color: var(--c-body); }
:root[data-style="forest"] .hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
:root[data-style="forest"] .hero .illu { position: relative; width: 100%; margin-top: 12px; }
:root[data-style="forest"] .date-tile { display: grid; align-content: center; justify-items: center; width: 56px; height: 64px; flex: none; border-radius: 14px; background: var(--c-tint); color: var(--c-title); }
:root[data-style="forest"] .date-tile.is-field { background: var(--c-title); color: var(--c-bg); }
:root[data-style="forest"] .dt-m { font: 500 11px/1 var(--font-num); letter-spacing: .12em; }
:root[data-style="forest"] .dt-d { font: 600 24px/1.2 var(--font-serif); }
:root[data-style="forest"] .sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--c-border); }
:root[data-style="forest"] .sec-title { font: 600 20px/1.4 var(--font-serif); color: var(--c-title); }
:root[data-style="forest"] .disclaimer { margin-top: 44px; padding: 16px var(--sp-page) 24px; background: var(--c-tint); border-top: 1px solid var(--c-border); font-size: 12.5px; color: var(--c-soft); line-height: 1.8; }
:root[data-style="forest"] .disclaimer strong { color: var(--c-title); font-weight: 600; }
:root[data-style="forest"] .tab-ic { display: grid; place-items: center; width: 40px; height: 28px; border-radius: 14px; transition: background .25s var(--ease); }
:root[data-style="forest"] .tab.active .tab-ic { background: var(--c-tint); }
:root[data-style="forest"] .path { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 2px; padding: 18px 6px 14px; background-image: repeating-radial-gradient(circle at 12% 0%, transparent 0 40px, rgba(127, 181, 160, .06) 40px 41px); }
:root[data-style="forest"] .eyebrow { font: 500 11px/1.4 var(--font-num); letter-spacing: .16em; text-transform: uppercase; color: var(--c-icon-ink); }
:root[data-style="forest"] .peer-name { display: block; font: 600 17px/1.4 var(--font-serif); color: var(--c-title); letter-spacing: .02em; }
:root[data-style="forest"] .page-title { font: 600 26px/1.35 var(--font-serif); color: var(--c-title); letter-spacing: .02em; text-wrap: balance; }
:root[data-style="forest"] .global-teaser { display: flex; align-items: center; gap: 12px; padding: 14px 16px; margin-top: 20px; }
:root[data-style="forest"] .btn-ghost { border-color: #C9D3CD; color: var(--c-title); background: transparent; }
:root[data-style="forest"] .btn-primary:active { background: var(--c-deep); }
:root[data-style="forest"] .flow-n { display: grid; place-items: center; width: 28px; height: 28px; margin-top: 2px; border-radius: 50%; background: var(--c-accent-tint); color: var(--c-accent-ink); font: 600 14px/1 var(--font-serif); }

/* ===== 风格切换：两套风格各自的专属元素 ===== */
.hero-forest, .brand-forest { display: none; }
:root[data-style="forest"] .hero-party, :root[data-style="forest"] .brand-party, :root[data-style="forest"] .foot-mark { display: none; }
:root[data-style="forest"] .hero-forest { display: block; }
:root[data-style="forest"] .brand-forest { display: flex; }
:root[data-style="forest"] .sec-head .eyebrow { display: block; }
:root[data-style="forest"] .band { background: transparent; padding-top: 0; padding-bottom: 0; }
:root[data-style="forest"] .disclaimer strong { color: var(--c-title); }
:root[data-style="forest"] .disclaimer a { color: var(--c-title); }

.style-swatch { display: inline-flex; gap: 4px; margin-top: 8px; }
.style-swatch i { width: 18px; height: 18px; border-radius: 50%; border: 1px solid rgba(0, 0, 0, .12); display: block; }
:root[data-style="forest"] .sec-head { border-top: 0; padding-top: 0; }
:root[data-style="forest"] .path { border-top: 1px solid var(--c-border); border-bottom: 0; }