/* =========================================================
   TwitterKOL — 全站样式
   1. 设计变量  2. 基础  3. 布局  4. 头部/页脚
   5. 首页模块  6. 表单  7. 后台  8. 响应式
   ========================================================= */

/* 1. 设计变量 -------------------------------------------- */
:root {
  --ink: #0f172a;
  --ink-2: #1e293b;
  --body: #475569;
  --muted: #64748b;
  --line: #e6ebf2;
  --line-2: #eef2f7;
  --bg: #f7f9fc;
  --card: #ffffff;
  --brand: #2563eb;
  --brand-2: #7c3aed;
  --brand-soft: #eef4ff;
  --ok: #059669;
  --warn: #d97706;
  --danger: #dc2626;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .04), 0 1px 3px rgba(15, 23, 42, .06);
  --shadow: 0 6px 24px rgba(15, 23, 42, .07);
  --shadow-lg: 0 18px 48px rgba(15, 23, 42, .12);
  --wrap: 1180px;
  --grad: linear-gradient(120deg, #2563eb 0%, #7c3aed 100%);
}

/* 2. 基础 ------------------------------------------------ */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  background: var(--bg);
}
h1, h2, h3, h4 { color: var(--ink); line-height: 1.3; margin: 0 0 12px; font-weight: 700; }
h1 { font-size: 2.5rem; letter-spacing: -.02em; }
h2 { font-size: 1.9rem; letter-spacing: -.01em; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 14px; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.lead { font-size: 1.1rem; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.skip-link {
  position: absolute; left: -9999px; top: 0; background: #fff; padding: 10px 16px; z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

/* 3. 布局 ------------------------------------------------ */
.container { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 820px; }
.section { padding: 84px 0; }
.section-alt { background: #fff; border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
.section-head { margin-bottom: 40px; }
.section-head.center { text-align: center; max-width: 720px; margin-left: auto; margin-right: auto; }
.section-sub { color: var(--muted); font-size: 1.05rem; }
.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--brand); background: var(--brand-soft);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 16px;
}
.sub-heading { font-size: 1.05rem; color: var(--muted); font-weight: 600; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: .98rem;
  border: 1px solid transparent; cursor: pointer; transition: .18s ease; text-decoration: none;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 20px rgba(37, 99, 235, .22); }
.btn-primary:hover { box-shadow: 0 12px 26px rgba(37, 99, 235, .3); }
.btn-outline { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-outline:hover { border-color: var(--brand); color: var(--brand); }
.btn-ghost { background: rgba(15, 23, 42, .05); color: var(--ink); }
.btn-ghost:hover { background: rgba(15, 23, 42, .09); }
.btn-light { background: #fff; color: var(--ink); }
.btn-ghost-light { background: rgba(255, 255, 255, .12); color: #fff; border-color: rgba(255, 255, 255, .35); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-lg { padding: 15px 30px; font-size: 1.05rem; }
.btn-sm { padding: 8px 16px; font-size: .88rem; }
.btn-block { width: 100%; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }
.cta-row.center { justify-content: center; }
.text-link { font-weight: 600; font-size: .92rem; }

/* 卡片 */
.card {
  background: var(--card); border: 1px solid var(--line-2); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); padding: 26px;
}

/* 4. 头部 ------------------------------------------------ */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--line-2);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 800; font-size: 1.2rem; }
.brand:hover { text-decoration: none; }
.brand-mark { display: flex; }
.primary-nav { display: flex; align-items: center; gap: 6px; }
.nav-link {
  padding: 9px 14px; border-radius: 999px; color: var(--body); font-weight: 600; font-size: .95rem;
}
.nav-link:hover { background: var(--brand-soft); color: var(--brand); text-decoration: none; }
.nav-link.is-active { color: var(--brand); background: var(--brand-soft); }
.nav-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 10px;
  background: #fff; cursor: pointer; padding: 11px 10px;
}
.nav-toggle span { display: block; height: 2px; background: var(--ink); margin: 3px 0; border-radius: 2px; }

/* 页脚 */
.site-footer { background: var(--ink); color: #94a3b8; padding: 60px 0 24px; margin-top: 0; }
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer-brand { color: #fff; margin-bottom: 14px; }
.footer-desc { color: #94a3b8; font-size: .95rem; }
.footer-col h3 { color: #fff; font-size: 1rem; margin-bottom: 14px; }
.footer-links li { margin-bottom: 8px; font-size: .95rem; }
.footer-links a { color: #94a3b8; }
.footer-links a:hover { color: #fff; }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding-top: 20px; font-size: .85rem; color: #64748b;
}

/* Flash 提示 */
.flash-wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.flash {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  margin-top: 18px; padding: 12px 18px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: .95rem; border: 1px solid;
}
.flash-success { background: #ecfdf5; border-color: #a7f3d0; color: #047857; }
.flash-error { background: #fef2f2; border-color: #fecaca; color: #b91c1c; }
.flash-warning { background: #fffbeb; border-color: #fde68a; color: #92400e; }
.flash-close { background: none; border: 0; font-size: 1.3rem; line-height: 1; cursor: pointer; color: inherit; }

/* 5. 首页模块 -------------------------------------------- */
.hero {
  background:
    radial-gradient(1000px 400px at 80% -10%, rgba(124, 58, 237, .28), transparent 60%),
    radial-gradient(800px 400px at 10% 0%, rgba(37, 99, 235, .25), transparent 60%),
    linear-gradient(180deg, #0b1220 0%, #111c33 100%);
  color: #cbd5e1; padding: 92px 0 96px;
}
.hero h1 { color: #fff; font-size: 3rem; margin-bottom: 18px; }
.hero .lead { color: #cbd5e1; font-size: 1.12rem; max-width: 620px; }
.hero-inner {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: start;
}
.hero .eyebrow { background: rgba(255, 255, 255, .1); color: #a5b4fc; }
.hero-points { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 30px; font-size: .92rem; color: #94a3b8; }
.hero-points li { position: relative; padding-left: 18px; }
.hero-points li::before {
  content: ""; position: absolute; left: 0; top: 10px; width: 8px; height: 8px;
  border-radius: 50%; background: #60a5fa;
}
.hero-card {
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 20px; padding: 28px; backdrop-filter: blur(6px);
}
.hero-card-title { color: #fff; font-size: 1.15rem; margin-bottom: 20px; }
.benefit-list li { display: flex; gap: 14px; margin-bottom: 18px; }
.benefit-ico {
  flex: 0 0 34px; height: 34px; border-radius: 10px; background: var(--grad); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .85rem;
}
.benefit-list strong { display: block; color: #fff; font-size: .98rem; }
.benefit-list span { color: #94a3b8; font-size: .88rem; }
.hero-card .btn { margin-top: 8px; }

.stats-bar { background: #fff; border-bottom: 1px solid var(--line-2); }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 34px 24px; text-align: center;
}
.stat-num { display: block; font-size: 2rem; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.stat-label { color: var(--muted); font-size: .92rem; }

/* 合作伙伴 logo 墙 */
.partners-section { background: #fff; border-bottom: 1px solid var(--line-2); padding: 70px 0; }
.partner-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; list-style: none; padding: 0; margin: 0; }
.partner-item {
  display: flex; align-items: center; justify-content: center; height: 88px; padding: 20px 18px;
  background: #f8fafc; border: 1px solid var(--line-2); border-radius: 14px;
  cursor: default;
  transition: border-color .18s ease, background .18s ease;
}
.partner-item img {
  max-width: 100%; width: auto; height: 32px;
  filter: grayscale(1); opacity: .72; transition: filter .18s ease, opacity .18s ease;
}
.partner-item:hover { background: #fff; border-color: #c7d7ff; }
.partner-item:hover img { filter: none; opacity: 1; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: #fff; border: 1px solid var(--line-2); border-radius: var(--radius);
  padding: 30px; transition: .2s ease;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #dbe4f0; }
.feature-ico {
  width: 48px; height: 48px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: var(--brand-soft); color: var(--brand); margin-bottom: 18px;
}
.feature-card p { color: var(--muted); margin: 0; font-size: .96rem; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step { background: var(--bg); border: 1px solid var(--line-2); border-radius: var(--radius); padding: 26px; }
.step-num {
  display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px;
  border-radius: 50%; background: var(--grad); color: #fff; font-weight: 700; margin-bottom: 14px;
}
.step p { color: var(--muted); font-size: .93rem; margin: 0; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.tag {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 9px 18px; font-size: .92rem; font-weight: 600; color: var(--ink-2);
}
.tag:hover { border-color: var(--brand); color: var(--brand); }
.platform-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.platform-chip {
  background: var(--brand-soft); color: var(--brand); border-radius: 10px;
  padding: 10px 20px; font-weight: 700; font-size: .9rem;
}

.faq { border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden; background: #fff; }
.faq-item + .faq-item { border-top: 1px solid var(--line-2); }
.faq-item summary {
  cursor: pointer; padding: 18px 24px; font-weight: 700; color: var(--ink); list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: var(--brand); font-weight: 400; }
.faq-item[open] summary::after { content: "−"; }
.faq-body { padding: 0 24px 20px; color: var(--muted); }

.cta-band { background: var(--grad); color: #fff; padding: 62px 0; }
.cta-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap;
}
.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { color: rgba(255, 255, 255, .85); margin: 0; }
.cta-band .cta-row { margin-top: 0; }

/* 内页头部 */
.page-head {
  background: linear-gradient(180deg, #0f172a 0%, #17233d 100%); color: #cbd5e1; padding: 54px 0 58px;
}
.page-head h1 { color: #fff; font-size: 2.3rem; margin: 10px 0 12px; }
.page-head .lead { color: #94a3b8; }
.breadcrumb { font-size: .88rem; color: #94a3b8; display: flex; gap: 8px; }
.breadcrumb a { color: #cbd5e1; }
.breadcrumb span { color: #64748b; }

.error-page { padding: 110px 0; }
.error-code { font-size: 4.5rem; font-weight: 800; color: var(--line); line-height: 1; }

/* 6. 表单 ------------------------------------------------ */
.form-layout { display: grid; grid-template-columns: 1.5fr .8fr; gap: 30px; align-items: start; }
.kol-form { padding: 30px; }
.form-block { border: 0; padding: 0; margin: 0 0 26px; }
.form-block legend {
  font-size: 1.02rem; font-weight: 700; color: var(--ink); padding: 0; margin-bottom: 16px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-item { display: flex; flex-direction: column; gap: 7px; }
.form-item.span-2 { grid-column: span 2; }
.form-item label { font-weight: 600; color: var(--ink-2); font-size: .93rem; }
.form-item input, .form-item select, .form-item textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  font-size: .98rem; font-family: inherit; color: var(--ink); background: #fff; transition: .15s ease;
}
.form-item input:focus, .form-item select:focus, .form-item textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}
.form-item textarea { resize: vertical; min-height: 96px; }
.field-error { color: var(--danger); font-size: .85rem; }
.form-hint { color: var(--muted); font-size: .86rem; margin: 6px 0 0; }
.req { color: var(--danger); font-style: normal; }
.check-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.check-item { display: flex; align-items: center; gap: 8px; font-size: .92rem; color: var(--ink-2); cursor: pointer; }
.check-item input { width: 17px; height: 17px; accent-color: var(--brand); }
.agree-row { margin-bottom: 22px; }
.form-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.form-note { color: var(--muted); font-size: .88rem; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.side-panel { display: grid; gap: 20px; }
.side-card h3 { font-size: 1.05rem; margin-bottom: 14px; }
.tick-list li { position: relative; padding-left: 24px; margin-bottom: 10px; font-size: .93rem; color: var(--muted); }
.tick-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0; color: var(--ok); font-weight: 700;
}
.side-card p { color: var(--muted); font-size: .93rem; }
.contact-list li {
  display: flex; justify-content: space-between; gap: 14px; padding: 10px 0;
  border-bottom: 1px dashed var(--line); font-size: .94rem; color: var(--muted);
}
.contact-list li:last-child { border-bottom: 0; }
.contact-list strong { color: var(--ink); }

.success-panel {
  background: #fff; border: 1px solid var(--line-2); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 44px 36px; text-align: center;
}
.success-ico {
  width: 64px; height: 64px; border-radius: 50%; background: #ecfdf5; color: var(--ok);
  display: flex; align-items: center; justify-content: center; margin: 0 auto 20px;
}
.success-panel p { color: var(--muted); }

/* 7. 后台 ------------------------------------------------ */
.body-admin { background: #f1f5f9; }
.admin-shell { display: flex; min-height: 100vh; }
.admin-side {
  width: 200px; background: var(--ink); color: #cbd5e1; display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh; flex: 0 0 200px;
}
.admin-brand { padding: 14px 14px 12px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.admin-brand .brand-text { color: #fff; display: block; font-size: 1.1rem; line-height: 1.3; }
.admin-badge {
  display: inline-block; margin-top: 5px; font-size: .66rem; background: rgba(255, 255, 255, .1);
  padding: 2px 7px; border-radius: 6px; color: #94a3b8;
}
.admin-nav { padding: 8px 10px; display: grid; gap: 2px; flex: 1; align-content: start; }
.admin-nav-item {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 8px 12px; border-radius: 8px; color: #cbd5e1; font-size: .9rem; font-weight: 600;
}
.admin-nav-item:hover { background: rgba(255, 255, 255, .08); color: #fff; text-decoration: none; }
.admin-nav-item.is-active { background: var(--grad); color: #fff; }
.nav-count {
  background: var(--danger); color: #fff; font-style: normal; font-size: .68rem;
  min-width: 18px; height: 18px; border-radius: 999px; display: inline-flex;
  align-items: center; justify-content: center; padding: 0 5px;
}
.admin-nav-item.is-active .nav-count { background: rgba(255, 255, 255, .25); }
.admin-side-foot {
  padding: 11px 16px; border-top: 1px solid rgba(255, 255, 255, .08);
  display: flex; justify-content: space-between; align-items: center; font-size: .82rem;
}
.admin-user { color: #fff; font-weight: 600; }
.admin-logout { color: #94a3b8; }
.admin-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.admin-topbar {
  display: flex; align-items: center; gap: 16px; padding: 0 26px; height: 62px;
  background: #fff; border-bottom: 1px solid var(--line-2); position: sticky; top: 0; z-index: 20;
}
.admin-topbar-title { font-weight: 700; color: var(--ink); flex: 1; font-size: 1rem; }
.admin-toggle {
  display: none; width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 9px;
  background: #fff; cursor: pointer; padding: 10px 9px;
}
.admin-toggle span { display: block; height: 2px; background: var(--ink); margin: 3px 0; }
.admin-content { padding: 26px; }

.stat-cards { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-bottom: 22px; }
.stat-card {
  background: #fff; border: 1px solid var(--line-2); border-radius: 14px; padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}
.stat-card-label { display: block; color: var(--muted); font-size: .86rem; }
.stat-card-num { display: block; font-size: 1.7rem; color: var(--ink); margin-top: 4px; }
.stat-card-link { font-size: .84rem; }
.stat-warn { border-left: 3px solid var(--warn); }
.stat-ok { border-left: 3px solid var(--ok); }
.stat-info { border-left: 3px solid var(--brand); }

.panel {
  background: #fff; border: 1px solid var(--line-2); border-radius: 14px;
  box-shadow: var(--shadow-sm); margin-bottom: 22px; overflow: hidden;
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 16px 20px; border-bottom: 1px solid var(--line-2);
}
.panel-head h2 { font-size: 1.05rem; margin: 0; }
.panel-actions { display: flex; gap: 10px; }
.panel-row { display: grid; grid-template-columns: 1.3fr 1fr; gap: 20px; }
.narrow-panel { max-width: 640px; }
.panel-head-stack { flex-direction: column; align-items: flex-start; gap: 4px; }
.panel-desc { color: var(--muted); font-size: .88rem; margin: 0; }

/* 基本信息设置页 */
.settings-group { border: 0; margin: 0 0 24px; padding: 0; }
.settings-group + .settings-group { border-top: 1px solid var(--line-2); padding-top: 22px; }
.settings-group h3 { font-size: .98rem; margin: 0 0 4px; color: var(--ink); }
.settings-group .group-desc { color: var(--muted); font-size: .85rem; margin: 0 0 16px; }
.field-hint { color: var(--muted); font-size: .82rem; }
/* 统计代码输入框：等宽字体、保留原始缩进、超长行横向滚动 */
.code-input {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
  font-size: 13px; line-height: 1.65; white-space: pre; overflow-x: auto; tab-size: 2;
}

.toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  flex-wrap: wrap; margin-bottom: 18px;
}
.filter-form { display: flex; gap: 10px; flex-wrap: wrap; }
.filter-form input, .filter-form select {
  padding: 9px 12px; border: 1px solid var(--line); border-radius: 9px; font-size: .9rem;
  background: #fff; font-family: inherit; color: var(--ink);
}
.filter-form input { min-width: 220px; }

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; overscroll-behavior-x: contain; }
.table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.table th, .table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line-2); vertical-align: middle; }
.table th { background: #f8fafc; color: var(--muted); font-weight: 600; font-size: .85rem; white-space: nowrap; }
.table tbody tr:hover { background: #fafbfd; }
.table td a { font-weight: 600; }
.empty { text-align: center; color: var(--muted); padding: 40px 0; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: .78rem; font-weight: 700; }
.badge-pending { background: #fffbeb; color: #92400e; }
.badge-approved { background: #ecfdf5; color: #047857; }
.badge-rejected { background: #fef2f2; color: #b91c1c; }

.ops { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.op-form { display: inline; }
.op {
  background: none; border: 0; padding: 0; cursor: pointer; font-size: .85rem;
  color: var(--brand); font-weight: 600; font-family: inherit;
}
.op:hover { text-decoration: underline; }
.op-ok { color: var(--ok); }
.op-warn { color: var(--warn); }
.op-danger { color: var(--danger); }

.pager { display: flex; gap: 8px; justify-content: center; padding: 16px; flex-wrap: wrap; }
.pager a, .pager-cur {
  min-width: 34px; height: 34px; padding: 0 10px; border-radius: 9px; display: inline-flex;
  align-items: center; justify-content: center; font-size: .9rem; border: 1px solid var(--line);
  background: #fff; color: var(--body);
}
.pager a:hover { border-color: var(--brand); color: var(--brand); text-decoration: none; }
.pager-cur { background: var(--grad); color: #fff; border-color: transparent; font-weight: 700; }

.detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; padding: 6px 20px 20px; }
.detail-item { display: flex; flex-direction: column; gap: 2px; padding: 12px 0; border-bottom: 1px dashed var(--line-2); }
.detail-item span { color: var(--muted); font-size: .85rem; }
.detail-item strong { color: var(--ink); font-weight: 600; word-break: break-all; }
.detail-item.span-2 { grid-column: span 2; }
.pre { white-space: pre-wrap; font-weight: 500 !important; }
.detail-actions { display: flex; gap: 10px; flex-wrap: wrap; padding: 0 20px 22px; }

.msg-list { padding: 6px 20px 20px; display: grid; gap: 14px; }
.msg-item { border: 1px solid var(--line-2); border-radius: 12px; padding: 16px 18px; background: #fff; }
.msg-item.is-unread { border-left: 3px solid var(--brand); background: #fbfdff; }
.msg-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 6px; }
.msg-contact { margin-left: 10px; font-size: .88rem; color: var(--muted); }
.msg-subject { font-size: 1rem; margin: 4px 0 8px; }
.msg-body { color: var(--muted); font-size: .93rem; margin-bottom: 10px; }
.msg-foot { display: flex; gap: 16px; }

/* 登录页 */
.body-plain { background: linear-gradient(160deg, #0f172a 0%, #1e293b 100%); min-height: 100vh; }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 40px 20px; }
.login-card {
  width: 100%; max-width: 400px; background: #fff; border-radius: 20px; padding: 38px 34px;
  box-shadow: var(--shadow-lg);
}
.login-brand { margin-bottom: 18px; }
.login-card h1 { font-size: 1.5rem; }
.login-sub { color: var(--muted); font-size: .92rem; margin-bottom: 22px; }
.login-card .form-item { margin-bottom: 16px; }
.login-card .btn { margin-top: 8px; }
.login-back { display: block; text-align: center; margin-top: 18px; font-size: .9rem; color: var(--muted); }

/* 8. 响应式 ---------------------------------------------- */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .stat-cards { grid-template-columns: repeat(3, 1fr); }
  .panel-row { grid-template-columns: 1fr; }
  .partner-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 900px) {
  .form-layout { grid-template-columns: 1fr; }
  .check-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .hero { padding: 64px 0 70px; }
  .hero h1 { font-size: 2.2rem; }
  .section { padding: 60px 0; }
  .container { padding: 0 18px; }
  .nav-toggle { display: block; }
  .primary-nav {
    position: absolute; top: 70px; left: 0; right: 0; background: #fff; flex-direction: column;
    align-items: stretch; gap: 0; padding: 10px 18px 18px; border-bottom: 1px solid var(--line-2);
    box-shadow: var(--shadow); display: none;
  }
  .primary-nav.is-open { display: flex; }
  .nav-link { padding: 12px 6px; border-radius: 8px; }
  .primary-nav .btn { margin-top: 10px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid, .steps { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-item.span-2 { grid-column: span 1; }
  .detail-grid { grid-template-columns: 1fr; }
  .detail-item.span-2 { grid-column: span 1; }
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
  .partner-grid { grid-template-columns: repeat(3, 1fr); }
  .partners-section { padding: 56px 0; }
  .admin-shell { flex-direction: column; }
  .admin-side {
    position: fixed; inset: 0 auto 0 0; z-index: 60; width: 200px; flex-basis: 200px;
    transform: translateX(-100%); transition: transform .2s ease;
  }
  .admin-side.is-open { transform: translateX(0); }
  .admin-toggle { display: block; }
  .admin-content { padding: 18px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
}
@media (max-width: 520px) {
  .check-grid { grid-template-columns: 1fr; }
  .stat-cards { grid-template-columns: 1fr; }
  .filter-form input { min-width: 0; width: 100%; }
  .btn-lg { padding: 13px 22px; font-size: 1rem; }
  .partner-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .partner-item { height: 74px; padding: 14px 12px; }
  .partner-item img { height: 26px; }
}

/* 9. 移动端增强 -------------------------------------------- */
/* 后台抽屉遮罩（由 main.js 动态插入） */
.admin-scrim {
  position: fixed; inset: 0; z-index: 55; background: rgba(15, 23, 42, .45);
  opacity: 0; visibility: hidden; transition: opacity .2s ease, visibility .2s ease;
}
.admin-scrim.is-open { opacity: 1; visibility: visible; }
body.nav-locked { overflow: hidden; }

@media (max-width: 900px) {
  /* 移动端输入框统一 16px：避免 iOS Safari 聚焦时自动放大页面 */
  .form-item input, .form-item select, .form-item textarea,
  .filter-form input, .filter-form select,
  .login-card input { font-size: 16px; }
}

@media (max-width: 768px) {
  /* 前台 */
  .page-head { padding: 40px 0 42px; }
  .page-head h1 { font-size: 1.75rem; margin: 8px 0 10px; }
  .hero { padding: 58px 0 62px; }
  .hero h1 { font-size: 1.9rem; }
  .hero .lead { font-size: 1.02rem; }
  .hero-points { gap: 10px 18px; font-size: .88rem; }
  .hero-card { padding: 22px; }
  .section { padding: 52px 0; }
  .section-head { margin-bottom: 28px; }
  .stats-grid { padding: 26px 18px; gap: 16px; }
  .stat-num { font-size: 1.7rem; }
  .partners-section { padding: 48px 0; }
  .kol-form { padding: 20px; }
  .card { padding: 20px; }
  .side-panel { gap: 16px; }
  .flash-wrap { padding: 0 18px; }
  .error-page { padding: 70px 0; }
  .error-code { font-size: 3.4rem; }
  .footer-grid { padding-bottom: 24px; }
  .site-footer { padding: 48px 0 calc(20px + env(safe-area-inset-bottom)); }

  /* 后台：抽屉与内容区 */
  .admin-topbar { padding: 0 16px; gap: 12px; height: 58px; }
  .admin-topbar-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .admin-side { box-shadow: var(--shadow-lg); padding-bottom: env(safe-area-inset-bottom); }
  .admin-content { padding: 14px; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar .filter-form { width: 100%; }
  .toolbar .btn { flex: 1 0 auto; }
  .filter-form input, .filter-form select { flex: 1 1 150px; min-width: 0; }
  .panel-head { padding: 14px 16px; flex-wrap: wrap; gap: 10px; }
  .table { min-width: 640px; }
  .table th, .table td { padding: 11px 12px; }
  .op { padding: 8px 12px; }
  .detail-grid { padding: 4px 16px 16px; }
  .detail-actions { padding: 0 16px 18px; }
  .msg-list { padding: 4px 16px 16px; }
  .msg-head { flex-wrap: wrap; align-items: flex-start; gap: 4px 12px; }
  .msg-contact { margin-left: 0; }
  .pager { padding: 14px; }
}

@media (max-width: 520px) {
  h1 { font-size: 1.72rem; }
  .hero h1 { font-size: 1.68rem; }
  .brand { font-size: 1.05rem; }
  .brand-mark svg { width: 24px; height: 24px; }
  .footer-bottom { flex-direction: column; gap: 6px; }
  .form-actions { flex-direction: column; align-items: stretch; }
  .form-actions .btn { width: 100%; }
  .form-note { text-align: center; font-size: .84rem; }
  .cta-row .btn { width: 100%; }
  .contact-list li { flex-direction: column; gap: 2px; }
  .breadcrumb { flex-wrap: wrap; }
  .msg-foot { flex-wrap: wrap; gap: 10px; }
  .admin-content { padding: 12px; }
  .stat-card { padding: 14px 16px; }
  .stat-card-num { font-size: 1.5rem; }
  .login-card { padding: 24px 20px; }
  .table { min-width: 580px; }
}