/* 涅槃授权中心 · 子站补充样式（代理 / 下载 共用，补充主 style.css 缺失的版式类） */

/* ---------- 兼容层：子站依赖的变量映射到主站主题变量（自动适配亮/暗） ---------- */
:root {
  --bg-soft: var(--panel);
  --fg: var(--text);
  --fg-soft: var(--text-2);
  --brand: var(--grad-1);
  --brand-grad: linear-gradient(135deg, var(--grad-1), var(--grad-2) 60%, var(--grad-3));
}

/* ---------- 区块 ---------- */
.section { padding: clamp(48px, 7vw, 84px) 0; }
.section.alt { background: color-mix(in srgb, var(--brand) 6%, transparent); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 clamp(18px, 5vw, 40px); }
.center { text-align: center; }
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 38px; }
.sec-head h2 { font-size: clamp(24px, 4vw, 34px); margin: 10px 0 12px; }
.sec-head p { color: var(--fg-soft); margin: 0; }
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .06em;
  color: var(--brand); background: color-mix(in srgb, var(--brand) 12%, transparent);
  padding: 5px 12px; border-radius: 999px;
}

/* ---------- 网格 ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 特性卡 ---------- */
.feat { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; box-shadow: var(--card-shadow); }
.feat h4 { margin: 0 0 8px; font-size: 17px; }
.feat p { margin: 0; color: var(--fg-soft); font-size: 14.5px; }
.fico {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--brand) 14%, transparent); color: var(--brand);
  font-size: 22px; margin-bottom: 14px;
}

/* ---------- 步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 20px; box-shadow: var(--card-shadow); }
.step h4 { margin: 0 0 6px; }
.step p { margin: 0; color: var(--fg-soft); font-size: 14px; }

/* ---------- 卡片 / 表格 ---------- */
.card { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--card-shadow); overflow: hidden; }
.card-hd { padding: 20px 24px; border-bottom: 1px solid var(--line); display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.card-hd h3 { margin: 0; font-size: 18px; }
.card-hd .sub { color: var(--fg-soft); font-size: 13px; }
.card-bd { padding: 18px 24px; }
.tablewrap { overflow-x: auto; padding: 6px 24px 20px; }
.tbl { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.tbl th, .tbl td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); }
.tbl thead th { color: var(--fg-soft); font-weight: 600; font-size: 13px; }
.tbl .right { text-align: right; }
.tbl .num { font-variant-numeric: tabular-nums; }
.tbl .strong { font-weight: 700; }
.tbl tbody tr:hover { background: color-mix(in srgb, var(--brand) 6%, transparent); }
.hint {
  font-size: 13px; color: var(--fg-soft);
  background: color-mix(in srgb, var(--brand) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--brand) 20%, transparent);
  border-radius: 12px; padding: 10px 14px;
}
.muted { color: var(--fg-soft); }

/* ---------- Hero 备注 / 大按钮 ---------- */
.hero-note { display: flex; flex-wrap: wrap; gap: 14px 22px; margin-top: 22px; justify-content: center; color: var(--fg-soft); font-size: 14px; }
.hero-note span { display: inline-flex; align-items: center; gap: 7px; }
.hero-note i { color: var(--brand); font-style: normal; font-weight: 700; }
.btn-lg { padding: 16px 34px; font-size: 17px; }

/* ---------- 下载中心 ---------- */
.search { display: flex; gap: 10px; max-width: 520px; margin: 18px auto 0; }
.search input { flex: 1; padding: 12px 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); font-size: 15px; font-family: inherit; }
.search input:focus { outline: none; border-color: var(--brand); }
.search button { padding: 12px 22px; border-radius: 12px; border: none; background: var(--brand-grad); color: #fff; font-weight: 600; cursor: pointer; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 16px; }
.chip { padding: 7px 15px; border-radius: 999px; font-size: 13.5px; font-weight: 600; color: var(--fg-soft); background: var(--bg-soft); border: 1px solid var(--line); cursor: pointer; transition: .15s; }
.chip:hover { border-color: var(--brand); color: var(--brand); }
.chip.on { background: var(--brand-grad); color: #fff; border-color: transparent; }
.dl-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.tag { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; background: color-mix(in srgb, var(--brand) 10%, transparent); color: var(--brand); border: 1px solid color-mix(in srgb, var(--brand) 22%, transparent); }
.meta { display: flex; gap: 16px; flex-wrap: wrap; color: var(--fg-soft); font-size: 13px; margin-top: 12px; }
.meta span { display: inline-flex; align-items: center; gap: 5px; }
.desc { color: var(--fg-soft); font-size: 14px; margin: 10px 0 0; }
.card-top { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: color-mix(in srgb, var(--brand) 14%, transparent); color: var(--brand); font-weight: 800; font-size: 16px; flex: none; }
.card-title { min-width: 0; }
.card-title h3 { margin: 0; font-size: 16px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-title .fn { margin: 2px 0 0; font-size: 12px; color: var(--fg-soft); font-family: ui-monospace, monospace; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 10px 0 0; }
.empty { text-align: center; padding: 60px 20px; }
.empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty h2 { margin: 0 0 8px; }
.empty p { color: var(--fg-soft); margin: 0 0 18px; }

/* ---------- 顶栏（下载/资料复用） ---------- */
.top { position: sticky; top: 0; z-index: 30; background: color-mix(in srgb, var(--bg-soft) 82%, transparent); backdrop-filter: saturate(140%) blur(14px); border-bottom: 1px solid var(--line); }
.top-inner { display: flex; align-items: center; gap: 16px; padding: 12px clamp(18px, 5vw, 56px); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; }
.brand img { width: 34px; height: 34px; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text em { font-style: normal; font-size: 12px; color: var(--fg-soft); font-weight: 600; }
.top-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.back-link { color: var(--fg-soft); font-size: 14px; }
.db-badge { font-size: 12px; padding: 4px 10px; border-radius: 999px; font-weight: 600; }
.db-badge.ok { color: #2fbf71; background: color-mix(in srgb, #2fbf71 14%, transparent); }
.db-badge.off { color: var(--fg-soft); background: var(--bg-soft); border: 1px solid var(--line); }

/* ---------- 星空 / 提示 / 历史栏（子站共用，原主 style.css 未提供） ---------- */
/* 主内容需压在星空 canvas 之上 */
main, .footer { position: relative; z-index: 1; }
.stars {
  position: fixed; inset: 0; width: 100%; height: 100%;
  z-index: 0; pointer-events: none; opacity: .55;
}
.history-bar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 12px 16px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--bg-soft); color: var(--fg-soft); font-size: 13px; margin-top: 18px;
}
.toast {
  position: fixed; left: 50%; bottom: 36px;
  transform: translateX(-50%) translateY(12px);
  background: var(--text); color: var(--bg);
  padding: 11px 20px; border-radius: 12px; font-size: 14px; font-weight: 600;
  box-shadow: var(--card-shadow); opacity: 0; visibility: hidden;
  transition: opacity .2s, transform .2s, visibility .2s;
  z-index: 60; pointer-events: none;
}
.toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .grid-3, .grid-4, .steps { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .grid-3, .grid-4, .steps { grid-template-columns: 1fr; }
}

/* ---------- 代理站 · 口碑（testimonials） ---------- */
.tm-rail { position: relative; padding: 0 8px; }
.tm-viewport { overflow: hidden; }
.tm-track { display: flex; gap: 18px; transition: transform .4s ease; will-change: transform; }
.tm-card { flex: 0 0 clamp(260px, 31%, 340px); background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--card-shadow); }
.tm-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.tm-avatar { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; background: var(--brand-grad); color: #fff; font-weight: 700; flex: none; }
.tm-id { min-width: 0; }
.tm-name { font-weight: 700; font-size: 15px; }
.tm-role { font-size: 12.5px; color: var(--fg-soft); }
.tm-text { margin: 0; color: var(--fg-soft); font-size: 14.5px; line-height: 1.65; }
.tm-nav { position: absolute; top: 40%; transform: translateY(-50%); width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); background: var(--bg-soft); cursor: pointer; font-size: 20px; color: var(--fg); z-index: 2; display: grid; place-items: center; }
.tm-nav:hover { border-color: var(--brand); color: var(--brand); }
.tm-prev { left: -6px; }
.tm-next { right: -6px; }

/* ---------- 代理政策页 · 计算器 / 表格 ---------- */
.policy { line-height: 1.85; }
.policy h2 { font-size: 22px; margin: 30px 0 12px; }
.policy h3 { font-size: 18px; margin: 22px 0 10px; }
.policy p { color: var(--fg-soft); }
.policy ul, .policy ol { color: var(--fg-soft); padding-left: 22px; }
.policy li { margin: 6px 0; }
.policy-table-wrap { overflow-x: auto; margin: 14px 0; border: 1px solid var(--line); border-radius: 12px; }
.policy-table-wrap table { width: 100%; border-collapse: collapse; font-size: 14px; }
.policy-table-wrap th, .policy-table-wrap td { padding: 10px 14px; border-bottom: 1px solid var(--line); text-align: left; }
.policy-table-wrap thead th { background: color-mix(in srgb, var(--brand) 8%, transparent); color: var(--fg); font-weight: 600; }
.policy-calc { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 14px; padding: 20px; margin: 16px 0; }
.form-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row label { font-size: 13px; color: var(--fg-soft); font-weight: 600; }
.input { padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); font-family: inherit; font-size: 14px; }
.input:focus { outline: none; border-color: var(--brand); }
.profit-box { display: flex; flex-wrap: wrap; gap: 16px; margin: 16px 0; }
.profit-main { flex: 1 1 180px; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.profit-main .pl { font-size: 13px; color: var(--fg-soft); }
.profit-main .pv { font-size: 26px; font-weight: 800; margin-top: 6px; }
.profit-main.profit-hl { border-color: var(--brand); background: color-mix(in srgb, var(--brand) 10%, transparent); }
.profit-main.profit-hl .pv { color: var(--brand); }
.profit-main .pm { font-size: 12.5px; color: var(--fg-soft); margin-top: 4px; }

/* ---------- 资料站 · 飞书式知识库布局 ---------- */
.kb { display: flex; align-items: stretch; }
.kb-side { width: 286px; flex: none; border-right: 1px solid var(--line); background: var(--bg-soft); padding: 18px 14px; position: sticky; top: 60px; height: calc(100vh - 60px); overflow-y: auto; }
.kb-side.collapsed { width: 0; padding: 0; overflow: hidden; border: none; }
.kb-search { display: flex; gap: 8px; margin-bottom: 14px; }
.kb-search input { flex: 1; padding: 9px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); font-family: inherit; font-size: 13.5px; min-width: 0; }
.kb-account { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; margin-bottom: 14px; }
.kb-account .av { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: var(--brand-grad); color: #fff; font-weight: 700; flex: none; }
.kb-account .un { font-size: 14px; font-weight: 600; }
.kb-account .ur { font-size: 12px; color: var(--fg-soft); }
.kb-tree, .kb-tree .children { list-style: none; margin: 0; padding: 0; }
.kb-tree .children { padding-left: 14px; border-left: 1px solid var(--line); margin-left: 7px; }
.kb-tree .node-row { display: flex; align-items: center; gap: 6px; padding: 7px 8px; border-radius: 9px; cursor: pointer; font-size: 14px; color: var(--fg); user-select: none; }
.kb-tree .node-row:hover { background: color-mix(in srgb, var(--brand) 8%, transparent); }
.kb-tree .node-row.active { background: color-mix(in srgb, var(--brand) 14%, transparent); color: var(--brand); font-weight: 600; }
.kb-tree .twist { width: 14px; text-align: center; color: var(--fg-soft); flex: none; font-size: 11px; }
.kb-tree .ic { flex: none; }
.kb-tree .lock { margin-left: auto; font-size: 11px; color: var(--brand); }
.kb-nav { margin-top: 16px; border-top: 1px solid var(--line); padding-top: 12px; }
.kb-nav a { display: block; padding: 8px 10px; border-radius: 9px; color: var(--fg-soft); font-size: 13.5px; }
.kb-nav a:hover { background: color-mix(in srgb, var(--brand) 8%, transparent); color: var(--brand); }
.kb-mem { margin-top: 14px; padding: 14px; border: 1px solid var(--line); border-radius: 12px; background: color-mix(in srgb, var(--brand) 8%, transparent); }
.kb-mem h4 { margin: 0 0 6px; font-size: 14px; }
.kb-mem p { margin: 0 0 10px; font-size: 12.5px; color: var(--fg-soft); }
.kb-main { flex: 1; min-width: 0; padding: 28px clamp(20px, 4vw, 52px); }
.kb-crumb { font-size: 13px; color: var(--fg-soft); margin-bottom: 14px; }
.kb-crumb a { color: var(--brand); }
.kb-doc-title { font-size: 26px; margin: 0 0 6px; }
.kb-doc-meta { display: flex; gap: 14px; flex-wrap: wrap; color: var(--fg-soft); font-size: 12.5px; margin-bottom: 18px; }
.kb-doc-body { line-height: 1.9; color: var(--fg); }
.kb-doc-body h3 { margin: 22px 0 8px; }
.kb-doc-body p { color: var(--fg-soft); }
.kb-doc-body ul { color: var(--fg-soft); padding-left: 20px; }
.kb-doc-body li { margin: 5px 0; }
.kb-mat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; margin-top: 16px; }
.kb-mat { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 14px; padding: 18px; box-shadow: var(--card-shadow); cursor: pointer; transition: .15s; }
.kb-mat:hover { border-color: var(--brand); transform: translateY(-2px); }
.kb-mat .mt-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.kb-mat .mt-ic { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: color-mix(in srgb, var(--brand) 14%, transparent); color: var(--brand); font-size: 18px; }
.kb-mat .mt-type { font-size: 11px; padding: 3px 9px; border-radius: 999px; background: color-mix(in srgb, var(--brand) 10%, transparent); color: var(--brand); font-weight: 600; }
.kb-mat .mt-type.member { background: color-mix(in srgb, #ffb020 16%, transparent); color: #d98b00; }
.kb-mat h4 { margin: 0 0 6px; font-size: 15.5px; }
.kb-mat p { margin: 0; font-size: 13px; color: var(--fg-soft); line-height: 1.5; }
.kb-mat .mt-foot { margin-top: 12px; display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--fg-soft); }
.kb-mat .mt-lock { color: var(--brand); }
.kb-banner { padding: 12px 16px; border-radius: 12px; background: color-mix(in srgb, #ffb020 14%, transparent); color: #9a6b00; font-size: 13px; margin-bottom: 18px; border: 1px solid color-mix(in srgb, #ffb020 30%, transparent); }
.kb-banner.member { background: color-mix(in srgb, var(--brand) 10%, transparent); color: var(--brand); border-color: color-mix(in srgb, var(--brand) 26%, transparent); }
.kb-toggle { position: fixed; left: 14px; top: 70px; z-index: 40; width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg-soft); cursor: pointer; font-size: 18px; display: none; }
@media (max-width: 860px) {
  .kb-side { position: fixed; left: 0; top: 60px; z-index: 50; box-shadow: var(--card-shadow); }
  .kb-side.collapsed { width: 286px; }
  .kb-toggle { display: block; }
  .form-3 { grid-template-columns: 1fr; }
}

/* ---------- 跨站补充：kami / daili / policy 用到的类 ---------- */
.badge {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .04em;
  color: var(--brand); background: color-mix(in srgb, var(--brand) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--brand) 26%, transparent);
  padding: 6px 14px; border-radius: 999px;
}
.cta-row, .hero-act { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; justify-content: center; }
.cta-row .btn, .hero-act .btn { min-width: 168px; justify-content: center; }
.mt24 { margin-top: 24px; }
.small { font-size: 13px; color: var(--fg-soft); }
.brand-mark { width: 34px; height: 34px; border-radius: 9px; display: block; }
.nav-spacer { flex: 1; }

/* ---------- 资料站 · 新版知识库（ziliao） ---------- */
.kb-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 16px; margin-bottom: 16px; }
.kb-brand img { width: 32px; height: 32px; border-radius: 8px; }
.kb-cats { display: flex; flex-direction: column; gap: 4px; margin-bottom: 4px; }
.kb-cat { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 9px; color: var(--fg); font-size: 14px; cursor: pointer; text-decoration: none; user-select: none; }
.kb-cat:hover { background: color-mix(in srgb, var(--brand) 8%, transparent); }
.kb-cat.active { background: color-mix(in srgb, var(--brand) 14%, transparent); color: var(--brand); font-weight: 700; }
.kb-cat .cnt { margin-left: auto; font-size: 12px; color: var(--fg-soft); }
.kb-acct { border: 1px solid var(--line); border-radius: 12px; padding: 12px; margin-bottom: 14px; background: color-mix(in srgb, var(--brand) 5%, transparent); }
.kb-acct-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 10px; font-size: 13px; }
.kb-acct-row .kb-user { font-weight: 700; }
.kb-login { width: 100%; padding: 9px 12px; border-radius: 10px; border: 1px solid var(--brand); background: transparent; color: var(--brand); font-weight: 700; font-size: 13px; cursor: pointer; transition: .15s; }
.kb-login:hover { background: color-mix(in srgb, var(--brand) 12%, transparent); }
.kb-prod { margin-top: 14px; border-top: 1px solid var(--line); padding-top: 12px; }
.kb-prod-title { font-size: 12px; color: var(--fg-soft); font-weight: 700; letter-spacing: .05em; margin-bottom: 8px; }
.kb-prod a { display: block; padding: 7px 10px; border-radius: 9px; color: var(--fg-soft); font-size: 13.5px; text-decoration: none; }
.kb-prod a:hover { background: color-mix(in srgb, var(--brand) 8%, transparent); color: var(--brand); }

.kb-list-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.kb-back { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; color: var(--brand); font-weight: 600; cursor: pointer; background: none; border: none; padding: 0; margin-bottom: 14px; }
.kb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(258px, 1fr)); gap: 16px; margin-top: 18px; }
.kb-card { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 14px; padding: 18px; box-shadow: var(--card-shadow); cursor: pointer; transition: .15s; display: flex; flex-direction: column; gap: 10px; }
.kb-card:hover { border-color: var(--brand); transform: translateY(-2px); }
.kbc-top { display: flex; align-items: center; gap: 12px; }
.kbc-ic { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: color-mix(in srgb, var(--brand) 14%, transparent); color: var(--brand); font-size: 20px; flex: none; }
.kbc-title { font-size: 16px; font-weight: 700; line-height: 1.3; }
.kbc-summary { font-size: 13.5px; color: var(--fg-soft); line-height: 1.55; }
.kbc-foot { margin-top: auto; display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--fg-soft); }
.kb-detail { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 16px; padding: 24px; box-shadow: var(--card-shadow); }
.kb-detail .kb-doc-body { white-space: pre-wrap; line-height: 1.9; color: var(--fg); }
.tag-vip { background: color-mix(in srgb, #ffb020 16%, transparent); color: #d98b00; border-color: color-mix(in srgb, #ffb020 32%, transparent); }
.tag-on { background: color-mix(in srgb, var(--brand) 14%, transparent); color: var(--brand); border-color: color-mix(in srgb, var(--brand) 30%, transparent); }
.kb-lock { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; padding: 16px; border: 1px dashed color-mix(in srgb, #ffb020 40%, transparent); border-radius: 12px; background: color-mix(in srgb, #ffb020 8%, transparent); color: #9a6b00; font-size: 13px; margin-top: 16px; }
.kb-lock .btn-ghost { color: #9a6b00; border-color: color-mix(in srgb, #ffb020 40%, transparent); }

/* ---------- 跨站补充：kami / daili · Hero 渐变文字与副标题 ---------- */
.grad {
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.sub { color: var(--fg-soft); font-size: 16px; line-height: 1.7; margin: 14px 0 0; max-width: 640px; }
.hero .sub { margin-left: auto; margin-right: auto; }

/* ---------- kami · 功能特性区（features） ---------- */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; padding: clamp(40px, 6vw, 70px) clamp(18px, 5vw, 40px); max-width: 1080px; margin: 0 auto; }
.features .card { padding: 26px 24px; display: flex; flex-direction: column; gap: 12px; }
.features .ic { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; font-size: 24px; background: color-mix(in srgb, var(--brand) 14%, transparent); color: var(--brand); flex: none; }
.features h3 { margin: 0; font-size: 17px; }
.features p { margin: 0; color: var(--fg-soft); font-size: 14.5px; line-height: 1.6; }

/* ---------- kami · 留言咨询（客服挂件 kf） ---------- */
.kf { display: flex; justify-content: center; padding: 10px clamp(18px, 5vw, 40px) clamp(40px, 6vw, 70px); }
.kf-box { width: 100%; max-width: 640px; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 16px; padding: 28px; box-shadow: var(--card-shadow); }
.kf-box h2 { margin: 0 0 6px; font-size: 22px; }
.kf-box > p { margin: 0 0 18px; color: var(--fg-soft); font-size: 14px; line-height: 1.6; }
.msg-types { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.msg-type { padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg); color: var(--fg-soft); font-size: 14px; font-weight: 600; cursor: pointer; transition: .15s; }
.msg-type:hover { border-color: var(--brand); color: var(--brand); }
.msg-type.on { background: var(--brand-grad); color: #fff; border-color: transparent; }
.msg-input { width: 100%; padding: 11px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); font-family: inherit; font-size: 14.5px; margin-bottom: 14px; box-sizing: border-box; resize: vertical; }
.msg-input:focus { outline: none; border-color: var(--brand); }
.msg-actions { display: flex; align-items: center; gap: 14px; }
.msg-hint { font-size: 13px; color: var(--fg-soft); }
.msg-hint.ok { color: #2fbf71; }
.msg-hint.err { color: #e5484d; }

/* ---------- 子站 hero 覆盖：避免继承主站首页 100svh 大 hero 与 flex 横向排列 ---------- */
.hero {
  display: block;
  min-height: auto;
  padding: clamp(72px, 10vw, 112px) clamp(18px, 5vw, 40px) clamp(40px, 6vw, 64px);
  text-align: center;
  overflow: visible;
}
.hero h1 { font-size: clamp(28px, 5vw, 46px); margin: 14px 0 0; line-height: 1.25; }
.hero .badge { margin-bottom: 6px; }