/* ==========================================================================
   寻星计划 · site.css —— 组件与版式
   颜色只允许引用 design-tokens.css 中的变量，禁止发明新颜色。
   ========================================================================== */

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
}
img, svg { display: block; max-width: 100%; }
a { color: var(--pri); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { margin: 0; padding: 0; }
h1, h2, h3, h4 { margin: 0 0 .6em; line-height: 1.25; color: var(--ink); font-weight: 800; letter-spacing: .01em; }
p { margin: 0 0 1em; }
.ic { width: 1.1em; height: 1.1em; flex: none; }
.nowrap { white-space: nowrap; }

.container { width: min(100% - 40px, var(--maxw)); margin-inline: auto; }
.section { padding: 72px 0; }
.section-tight { padding: 44px 0; }
.night-section { background: linear-gradient(160deg, var(--night), var(--night-2)); color: var(--star); }
.night-section h1, .night-section h2, .night-section h3 { color: #fff; }
.paper-deep {
  background:
    url('art/sunset-sky.svg') center bottom / cover no-repeat,
    var(--paper-deep);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--accent); color: #fff; padding: 8px 16px; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

/* ---------- 顶栏 ---------- */
.utility-bar { background: var(--night); color: rgba(255, 255, 255, .82); font-size: 13.5px; }
.utility-inner { display: flex; align-items: center; gap: 18px; min-height: 38px; }
.utility-item { display: flex; align-items: center; gap: 7px; margin: 0; }
.utility-item strong { color: var(--star); }
.utility-link { color: rgba(255, 255, 255, .82); padding: 4px 0; }
.utility-link:hover { color: var(--star); text-decoration: none; }
@media (max-width: 760px) {
  .utility-item { flex: 1 1 100%; }
  .utility-inner { flex-wrap: wrap; padding: 6px 0; }
  .utility-link:nth-of-type(1) { margin-left: auto; }
}

/* ---------- 头部与导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 251, 245, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-h); gap: 16px; }

.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-mark { width: 44px; height: 44px; border-radius: 11px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-size: 20px; font-weight: 900; letter-spacing: .04em; }
.brand-tagline { font-size: 12px; color: var(--ink-soft); }
.brand-light .brand-name { color: #fff; }
.brand-light .brand-tagline { color: rgba(255, 255, 255, .6); }

.nav-toggle {
  display: none; border: 0; background: none; cursor: pointer;
  width: 44px; height: 44px; padding: 12px; border-radius: 10px;
}
.nav-toggle-bar { display: block; height: 2px; width: 100%; background: var(--ink); border-radius: 2px; transition: .25s; }
.nav-toggle-bar + .nav-toggle-bar { margin-top: 6px; }

.site-nav { display: flex; align-items: center; gap: 8px; }
.nav-list { display: flex; align-items: center; gap: 2px; list-style: none; }
.nav-link {
  display: inline-block; padding: 9px 13px; border-radius: var(--radius-sm);
  color: var(--ink); font-size: 15px; font-weight: 600;
}
.nav-link:hover { background: var(--pri-soft); color: var(--pri); text-decoration: none; }
.nav-link.is-active { color: var(--pri); background: var(--pri-soft); }
.nav-cta { margin-left: 8px; }

@media (max-width: 1020px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: fixed; inset: var(--header-h) 0 auto 0; z-index: 99;
    flex-direction: column; align-items: stretch; gap: 6px;
    background: var(--paper); padding: 18px 20px 22px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: .22s;
  }
  .site-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav-link { font-size: 16px; padding: 12px 14px; }
  .nav-cta { margin: 10px 0 0; text-align: center; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--radius-pill);
  font-family: inherit; font-size: 15.5px; font-weight: 700; line-height: 1.2;
  border: 2px solid transparent; cursor: pointer; transition: .18s; text-decoration: none;
}
.btn:focus-visible { outline: none; box-shadow: var(--ring); }
.btn-primary { background: var(--accent); color: #3A1E00; }
.btn-primary:hover { background: var(--accent-deep); color: #fff; text-decoration: none; transform: translateY(-1px); }
.btn-outline { border-color: currentColor; color: var(--ink); background: transparent; }
.btn-outline:hover { background: var(--ink); color: var(--paper); text-decoration: none; }
.btn-light { background: #fff; color: var(--night); }
.btn-light:hover { background: var(--star); color: var(--night); text-decoration: none; }
.btn-white-outline { border-color: rgba(255, 255, 255, .55); color: #fff; background: transparent; }
.btn-white-outline:hover { background: rgba(255, 255, 255, .12); text-decoration: none; }
.btn-lg { padding: 15px 30px; font-size: 17px; }
.btn-block { width: 100%; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 520px at 82% -10%, rgba(88, 68, 128, .55), transparent 60%),
    radial-gradient(900px 460px at 8% 110%, rgba(233, 116, 46, .24), transparent 55%),
    url('art/hero-night.svg') center / cover no-repeat,
    linear-gradient(155deg, var(--night), var(--night-2) 62%, #251B38);
  color: #fff;
}
.hero-inner { position: relative; z-index: 2; padding: 88px 0 96px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--star); font-size: 13.5px; font-weight: 700; letter-spacing: .12em;
  background: rgba(255, 221, 178, .10); border: 1px solid rgba(255, 221, 178, .28);
  padding: 7px 14px; border-radius: var(--radius-pill); margin-bottom: 22px;
}
.hero h1 { font-size: clamp(34px, 4.6vw, 52px); color: #fff; margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: var(--star); }
.hero-sub { font-size: clamp(16px, 1.7vw, 19px); color: rgba(255, 255, 255, .82); max-width: 46ch; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-note { margin-top: 18px; font-size: 13px; color: rgba(255, 255, 255, .6); }

/* 夜空星星：CSS 生成小星点 */
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 1; opacity: .7;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 22%, var(--star-soft) 50%, transparent 51%),
    radial-gradient(1.4px 1.4px at 28% 64%, var(--star-soft) 50%, transparent 51%),
    radial-gradient(2px 2px at 44% 12%, var(--star-soft) 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 58% 38%, var(--star-soft) 50%, transparent 51%),
    radial-gradient(1.8px 1.8px at 72% 16%, var(--star-soft) 50%, transparent 51%),
    radial-gradient(1.3px 1.3px at 84% 48%, var(--star-soft) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 66% 78%, var(--star-soft) 50%, transparent 51%),
    radial-gradient(1.9px 1.9px at 34% 88%, var(--star-soft) 50%, transparent 51%),
    radial-gradient(1.3px 1.3px at 8% 80%, var(--star-soft) 50%, transparent 51%),
    radial-gradient(1.6px 1.6px at 92% 70%, var(--star-soft) 50%, transparent 51%);
}
.hero-art { position: relative; z-index: 2; display: flex; justify-content: center; }
.hero-card {
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 20px; padding: 26px; width: 100%; max-width: 420px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, .3);
}
.hero-card-title { color: var(--star); font-size: 13px; font-weight: 700; letter-spacing: .1em; margin-bottom: 16px; }
.hero-card-item { display: flex; gap: 14px; align-items: center; padding: 12px 0; border-top: 1px solid rgba(255, 255, 255, .1); }
.hero-card-ava { width: 48px; height: 48px; border-radius: 12px; flex: none; background: var(--night); display: grid; place-items: center; }
.hero-card-ava svg { width: 30px; height: 30px; }
.hero-card-info b { display: block; color: #fff; font-size: 15px; }
.hero-card-info span { font-size: 12.5px; color: rgba(255, 255, 255, .66); }
.hero-card-more { margin-top: 14px; text-align: center; }
.hero-card-more a { color: var(--star); font-size: 14px; font-weight: 600; }
.hero-card-more a:hover { text-decoration: underline; }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; padding: 64px 0 72px; gap: 36px; }
  .hero-art { order: -1; }
  .hero-card { max-width: 380px; }
}

/* ---------- 区块标题 ---------- */
.section-head { max-width: 720px; margin-bottom: 40px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  color: var(--accent-deep); font-size: 13.5px; font-weight: 800; letter-spacing: .12em;
  margin-bottom: 12px;
}
.section-head h2 { font-size: clamp(26px, 3.2vw, 34px); }
.section-head p { color: var(--ink-soft); font-size: 16.5px; margin-bottom: 0; }
.section-head.night .section-eyebrow { color: var(--star); }
.section-head.night p { color: rgba(255, 255, 255, .75); }
.section-head-row { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 36px; }
.section-head-row .section-head { margin-bottom: 0; }
.link-more { font-weight: 700; font-size: 15px; color: var(--pri); white-space: nowrap; }

/* ---------- 角标 ---------- */
.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: var(--radius-pill); }
.badge-demo { background: var(--accent-soft); color: var(--accent-deep); border: 1px solid rgba(233, 116, 46, .35); }
.badge-live { background: rgba(46, 160, 120, .12); color: #1E7A58; border: 1px solid rgba(46, 160, 120, .3); }
.badge-pri { background: var(--pri-soft); color: var(--pri); border: 1px solid rgba(173, 74, 40, .22); }
.badge-light { background: rgba(255, 221, 178, .14); color: var(--star); border: 1px solid rgba(255, 221, 178, .3); }

/* ---------- 寻星档案卡片 ---------- */
.profile-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.profile-card {
  background: #fff; border: 1px solid var(--line-soft); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s; position: relative;
  display: flex; flex-direction: column;
}
.profile-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.profile-photo {
  position: relative; aspect-ratio: 4 / 3.2; background: linear-gradient(150deg, #F6E1CF, #FBEEE0);
  display: grid; place-items: center;
}
.profile-photo .badge { position: absolute; top: 12px; left: 12px; }
.profile-photo .phase { position: absolute; bottom: 12px; right: 12px; }
.profile-photo svg.profile-silhouette { width: 56%; height: 72%; }
.profile-body { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; }
.profile-name { font-size: 19px; font-weight: 800; }
.profile-name small { font-size: 13px; color: var(--ink-soft); font-weight: 600; margin-left: 6px; }
.profile-meta { list-style: none; margin: 10px 0 14px; display: grid; gap: 6px; font-size: 14px; color: var(--ink-soft); }
.profile-meta li { display: flex; gap: 8px; align-items: baseline; }
.profile-meta b { color: var(--ink); font-weight: 700; min-width: 60px; flex: none; }
.profile-card .btn { margin-top: auto; }

@media (max-width: 960px) { .profile-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .profile-grid { grid-template-columns: 1fr; } }

/* ---------- 统计带 ---------- */
.stats-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.stat {
  text-align: center; padding: 30px 16px; background: #fff; border-radius: var(--radius);
  border: 1px solid var(--line-soft); box-shadow: var(--shadow-sm);
}
.stat b { display: block; font-size: clamp(30px, 3.6vw, 44px); font-weight: 900; color: var(--pri); line-height: 1.1; }
.stat b em { font-style: normal; color: var(--accent); }
.stat span { color: var(--ink-soft); font-size: 14.5px; }
.night-section .stat { background: rgba(255, 255, 255, .05); border-color: rgba(255, 255, 255, .12); }
.night-section .stat b { color: var(--star); }
.night-section .stat span { color: rgba(255, 255, 255, .7); }
@media (max-width: 860px) { .stats-band { grid-template-columns: repeat(2, 1fr); } }

/* ---------- 故事 / 新闻 / 合作卡片 ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: #fff; border: 1px solid var(--line-soft); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
  transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-cover { aspect-ratio: 16/9; background: linear-gradient(150deg, #F6E1CF, #FBEEE0); display: grid; place-items: center; }
.card-cover svg { width: 42%; height: 62%; }
.card-body { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { font-size: 17.5px; margin-bottom: 8px; }
.card-body h3 a { color: var(--ink); }
.card-body h3 a:hover { color: var(--pri); text-decoration: none; }
.card-body p { font-size: 14.5px; color: var(--ink-soft); margin-bottom: 14px; flex: 1; }
.card-tag { font-size: 12.5px; color: var(--pri); font-weight: 700; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
@media (max-width: 960px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .card-grid { grid-template-columns: 1fr; } }

/* 故事卡片带编号光晕 */
.story-card { position: relative; }
.story-num {
  position: absolute; top: 14px; right: 18px; z-index: 2;
  font-size: 13px; font-weight: 900; color: var(--accent-deep);
  background: rgba(233, 116, 46, .14); padding: 3px 10px; border-radius: var(--radius-pill);
}

/* ---------- 新闻时间线 ---------- */
.news-list { display: grid; gap: 14px; }
.news-item {
  display: flex; gap: 18px; align-items: flex-start;
  background: #fff; border: 1px solid var(--line-soft); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); padding: 20px 24px;
  transition: transform .2s, box-shadow .2s;
}
.news-item:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.news-date {
  flex: none; width: 64px; text-align: center; align-self: stretch;
  background: var(--paper-deep); border: 1px solid var(--line-soft); border-radius: var(--radius-sm);
  padding: 8px 4px; display: flex; flex-direction: column; justify-content: center;
}
.news-date b { display: block; font-size: 18px; font-weight: 900; color: var(--pri); line-height: 1.15; }
.news-date span { font-size: 11.5px; color: var(--ink-soft); }
.news-main { flex: 1; }
.news-tag { font-size: 12px; font-weight: 700; color: var(--accent-deep); margin-bottom: 5px; }
.news-main h3 { font-size: 17px; margin-bottom: 5px; }
.news-main h3 a { color: var(--ink); }
.news-main h3 a:hover { color: var(--pri); text-decoration: none; }
.news-main p { font-size: 14px; color: var(--ink-soft); margin-bottom: 0; }
@media (max-width: 620px) {
  .news-item { flex-direction: column; gap: 12px; }
  .news-date { width: auto; flex-direction: row; gap: 8px; align-items: baseline; padding: 4px 12px; }
  .news-date b { font-size: 15px; }
}

/* ---------- 筛选 ---------- */
.filter-bar { background: #fff; border: 1px solid var(--line-soft); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 18px 20px; display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-bottom: 28px; }
.filter-group { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.filter-group + .filter-group::before { content: ""; width: 1px; height: 22px; background: var(--line); }
.filter-label { font-size: 13px; font-weight: 700; color: var(--ink-soft); margin-right: 2px; }
.chip {
  border: 1px solid var(--line); background: var(--paper); color: var(--ink);
  font-family: inherit; font-size: 13.5px; font-weight: 600; padding: 7px 14px; border-radius: var(--radius-pill); cursor: pointer; transition: .15s;
}
.chip:hover { border-color: var(--pri); color: var(--pri); }
.chip.is-active { background: var(--pri); border-color: var(--pri); color: #fff; }
.filter-search { margin-left: auto; display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: var(--radius-pill); padding: 8px 16px; background: var(--paper); }
.filter-search input { border: 0; background: none; outline: none; font-family: inherit; font-size: 14.5px; color: var(--ink); width: 180px; }
.filter-result { color: var(--ink-soft); font-size: 14px; margin-bottom: 18px; }
.filter-result b { color: var(--ink); }
.profile-grid.is-empty { display: none; }
.empty-tip { display: none; text-align: center; padding: 40px; color: var(--ink-soft); }
.profile-grid.is-empty ~ .empty-tip { display: block; }
@media (max-width: 760px) {
  .filter-group + .filter-group::before { display: none; }
  .filter-search { margin-left: 0; width: 100%; }
  .filter-search input { flex: 1; }
}

/* ---------- 详情页 ---------- */
.breadcrumb { display: flex; flex-wrap: wrap; gap: 6px; font-size: 13.5px; color: var(--ink-soft); padding: 18px 0 0; list-style: none; }
.breadcrumb a { color: var(--ink-soft); }
.breadcrumb a:hover { color: var(--pri); }
.breadcrumb li + li::before { content: "/"; margin-right: 6px; color: var(--line); }

.detail-layout { display: grid; grid-template-columns: 340px 1fr; gap: 34px; align-items: start; padding: 36px 0 16px; }
.detail-photo-wrap { position: sticky; top: calc(var(--header-h) + 20px); }
.detail-photo {
  position: relative; aspect-ratio: 4/5; border-radius: var(--radius);
  background: linear-gradient(150deg, #F6E1CF, #FBEEE0);
  border: 1px solid var(--line-soft); box-shadow: var(--shadow-sm);
  display: grid; place-items: center; overflow: hidden;
}
.detail-photo .badge { position: absolute; top: 14px; left: 14px; z-index: 2; }
.detail-photo .phase { position: absolute; bottom: 14px; right: 14px; z-index: 2; }
.detail-photo svg { width: 58%; height: 72%; }
.detail-share { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }

.detail-main h1 { font-size: clamp(28px, 3.6vw, 38px); margin-bottom: 6px; }
.detail-status { display: flex; gap: 10px; align-items: center; margin-bottom: 18px; flex-wrap: wrap; }
.detail-sub { color: var(--ink-soft); font-size: 15px; margin-bottom: 22px; }

.info-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.info-table th, .info-table td { text-align: left; padding: 13px 18px; border-bottom: 1px solid var(--line-soft); font-size: 15px; }
.info-table th { width: 132px; background: var(--paper-deep); font-weight: 700; color: var(--ink); white-space: nowrap; }
.info-table tr:last-child th, .info-table tr:last-child td { border-bottom: 0; }
.info-table td b { color: var(--pri); }

.alert-box {
  display: flex; gap: 14px; padding: 18px 20px; border-radius: var(--radius);
  background: var(--accent-soft); border: 1px solid rgba(233, 116, 46, .35); margin: 26px 0;
}
.alert-box .ic { color: var(--accent-deep); width: 22px; height: 22px; margin-top: 2px; }
.alert-box p { margin: 0; font-size: 15px; }
.alert-box b { color: var(--accent-deep); }
.alert-box.note { background: var(--pri-soft); border-color: rgba(173, 74, 40, .25); }
.alert-box.note .ic { color: var(--pri); }
.alert-box.note b { color: var(--pri); }

@media (max-width: 860px) {
  .detail-layout { grid-template-columns: 1fr; }
  .detail-photo-wrap { position: static; }
  .detail-photo { aspect-ratio: 4/3; }
}

/* ---------- 表单 ---------- */
.form-card { background: #fff; border: 1px solid var(--line-soft); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 30px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 14px; font-weight: 700; color: var(--ink); }
.form-field label .req { color: var(--accent-deep); }
.form-field input, .form-field select, .form-field textarea {
  font-family: inherit; font-size: 15px; color: var(--ink);
  border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 11px 14px; background: var(--paper); outline: none; transition: .15s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--pri); box-shadow: 0 0 0 3px var(--pri-soft); }
.form-field textarea { resize: vertical; min-height: 110px; }
.form-hint { font-size: 12.5px; color: var(--ink-soft); }
.form-note { margin-top: 14px; font-size: 13px; color: var(--ink-soft); display: flex; gap: 7px; align-items: flex-start; }
.form-note .ic { margin-top: 2px; color: var(--pri); }
.form-submit { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.form-toast {
  display: none; gap: 10px; align-items: flex-start;
  margin-top: 18px; padding: 14px 18px; border-radius: var(--radius-sm);
  background: rgba(46, 160, 120, .10); border: 1px solid rgba(46, 160, 120, .35);
  color: #1E7A58; font-size: 14.5px; line-height: 1.6;
}
.form-toast.is-visible { display: flex; }
.form-toast .ic { color: #2E8B68; margin-top: 3px; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }

/* ---------- 步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
.step { position: relative; background: #fff; border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 28px 24px 24px; box-shadow: var(--shadow-sm); }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; top: -16px; left: 24px;
  background: var(--night); color: var(--star); font-weight: 900; font-size: 14px;
  padding: 6px 12px; border-radius: var(--radius-pill);
}
.step .ic { width: 40px; height: 40px; color: var(--accent-deep); margin-bottom: 14px; }
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { font-size: 14.5px; color: var(--ink-soft); margin-bottom: 0; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr; } .step::before { top: -13px; } }

/* ---------- 折叠面板 ---------- */
.accordion { display: grid; gap: 12px; }
.acc-item { background: #fff; border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.acc-head {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 14px;
  background: none; border: 0; padding: 18px 22px; cursor: pointer;
  font-family: inherit; font-size: 16.5px; font-weight: 700; color: var(--ink); text-align: left;
}
.acc-head .acc-icon { flex: none; transition: transform .2s; color: var(--accent); }
.acc-item.is-open .acc-icon { transform: rotate(45deg); }
.acc-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .25s; }
.acc-item.is-open .acc-body { grid-template-rows: 1fr; }
.acc-body-inner { overflow: hidden; }
.acc-body-inner > div { padding: 0 22px 20px; color: var(--ink-soft); font-size: 15px; }

/* ---------- 引用 / 强调 ---------- */
.pull-quote { font-size: 20px; font-weight: 700; color: var(--ink); border-left: 4px solid var(--accent); padding-left: 20px; margin: 0 0 1em; }
.checklist { list-style: none; display: grid; gap: 10px; }
.checklist li { display: flex; gap: 10px; align-items: flex-start; color: var(--ink-soft); }
.checklist li .ic { color: #2E8B68; margin-top: 4px; }
.checklist li b { color: var(--ink); }

/* ---------- 两栏 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.split-illu { background: linear-gradient(150deg, var(--night), var(--night-2)); border-radius: 22px; padding: 34px; display: grid; place-items: center; min-height: 320px; }
.split-illu svg { width: 68%; height: auto; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

/* ---------- CTA 大条 ---------- */
.cta-band { text-align: center; padding: 74px 0; border-radius: 24px; }
.cta-band h2 { font-size: clamp(26px, 3.4vw, 36px); color: #fff; margin-bottom: 12px; }
.cta-band p { color: rgba(255, 255, 255, .8); max-width: 56ch; margin: 0 auto 28px; font-size: 16.5px; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }

/* CTA 暖夜场景背景 */
.cta-band.night-section {
  position: relative; overflow: hidden;
  background:
    linear-gradient(180deg, rgba(46, 34, 64, .22), rgba(38, 27, 56, .62)),
    url('art/hills-home.svg') center bottom / cover no-repeat;
}

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative; overflow: hidden;
  background:
    url('art/stars-bokeh.svg') center top / cover no-repeat,
    var(--night);
  color: rgba(255, 255, 255, .74); margin-top: 0; padding-top: 64px;
}
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 44px; }
.footer-brief { font-size: 14px; max-width: 34ch; margin: 18px 0 16px; }
.footer-hotline { font-size: 14px; color: var(--star); display: flex; align-items: center; gap: 8px; }
.footer-hotline a { color: var(--star); font-weight: 700; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer-links { list-style: none; display: grid; gap: 10px; }
.footer-links a { color: rgba(255, 255, 255, .74); font-size: 14px; }
.footer-links a:hover { color: var(--star); text-decoration: none; }
.footer-help { color: rgba(255, 255, 255, .74); font-size: 14px; }
.footer-help strong { color: var(--star); }
.footer-legal { border-top: 1px solid rgba(255, 255, 255, .12); padding: 22px 0 30px; }
.disclaimer { font-size: 12.5px; color: rgba(255, 255, 255, .5); max-width: 92ch; }
.disclaimer b { color: rgba(255, 255, 255, .68); }
.copyright { font-size: 13px; color: rgba(255, 255, 255, .5); margin: 14px 0 0; }
.copyright a { color: rgba(255, 255, 255, .6); }
.copyright .dot { margin: 0 6px; }
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- 显现动画 ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}