/* ==========================================================================
   长沙中科皮肤病医院 · 腋臭专科 — 首页 / 列表页样式
   Design Tokens → 布局 → 组件 → 页面级 → 响应式
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  /* 色彩 */
  --c-primary: #0F6CBD;        /* 医疗蓝-主色 */
  --c-primary-600: #0B5A97;
  --c-primary-700: #084879;
  --c-primary-50: #EDF5FC;
  --c-primary-100: #D8E9F8;
  --c-accent: #F97316;         /* 预约/CTA-橙 */
  --c-accent-600: #EA580C;
  --c-green: #16A34A;
  --c-text: #1F2937;
  --c-text-sub: #64748B;
  --c-text-light: #94A3B8;
  --c-border: #E5E7EB;
  --c-bg: #F6F9FC;
  --c-white: #FFFFFF;

  /* 字体 */
  --font-base: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

  /* 圆角 / 阴影 / 间距 */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, .08);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, .10);
  --shadow-lg: 0 12px 32px rgba(11, 90, 151, .16);

  /* 版式 */
  --container: 1200px;
  --header-h: 72px;
}

/* ---------- Reset / 基础 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  font-family: var(--font-base);
  color: var(--c-text);
  font-size: 15px;
  line-height: 1.7;
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 14px; }

.container { width: var(--container); max-width: 100%; margin: 0 auto; padding: 0 16px; }

/* 可访问性：键盘焦点 */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
}
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  clip: rect(0 0 0 0); overflow: hidden; white-space: nowrap;
}

/* ---------- 顶部便民条 ---------- */
.topbar {
  background: var(--c-primary-700);
  color: rgba(255, 255, 255, .92);
  font-size: 13px;
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 36px;
}
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 18px; }
.topbar .icon { width: 14px; height: 14px; flex: none; }
.topbar-tel { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; letter-spacing: .5px; }
.topbar-tel strong { color: #FFD9B3; }
.topbar a:hover { color: #fff; text-decoration: underline; }
.topbar-link { display: inline-flex; align-items: center; gap: 5px; opacity: .9; }

/* ---------- 头部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--c-white);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow .25s ease;
}
.site-header.is-scrolled { box-shadow: var(--shadow-md); }
.header-inner { display: flex; align-items: center; gap: 32px; height: var(--header-h); }

.logo { display: flex; align-items: center; gap: 12px; flex: none; }
.logo-mark {
  width: 44px; height: 44px; border-radius: 10px;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-700) 100%);
  display: grid; place-items: center; color: #fff;
}
.logo-mark svg { width: 26px; height: 26px; }
.logo-text .logo-name { font-size: 19px; font-weight: 700; color: var(--c-primary-700); letter-spacing: 1px; white-space: nowrap; }
.logo-text .logo-sub {
  font-size: 11.5px; color: var(--c-accent); font-weight: 600; letter-spacing: 3px;
}

.main-nav { display: flex; align-items: center; gap: 4px; flex: 1; justify-content: center; }
.main-nav a {
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: 15.5px; color: var(--c-text); font-weight: 500; white-space: nowrap;
  transition: color .2s, background .2s;
}
.main-nav a:hover { color: var(--c-primary); background: var(--c-primary-50); }
.main-nav a.is-active {
  color: var(--c-primary); font-weight: 700;
  background: var(--c-primary-50);
}

.header-cta { display: flex; align-items: center; gap: 12px; flex: none; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 24px; border-radius: 999px;
  font-size: 15px; font-weight: 600; line-height: 1.4;
  transition: transform .15s, box-shadow .2s, background .2s, color .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-accent {
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-600) 100%);
  color: #fff; box-shadow: 0 4px 14px rgba(249, 115, 22, .35);
}
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-primary-600); }
.btn-outline {
  border: 1.5px solid var(--c-primary); color: var(--c-primary); background: transparent;
}
.btn-outline:hover { background: var(--c-primary-50); }
.btn-sm { padding: 7px 18px; font-size: 13.5px; }
.btn-lg { padding: 13px 34px; font-size: 16px; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 10px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--c-text); border-radius: 2px; transition: .25s; }

/* ---------- Hero（首屏） ---------- */
.hero {
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(249, 115, 22, .10), transparent 60%),
    radial-gradient(700px 480px at -10% 110%, rgba(15, 108, 189, .12), transparent 60%),
    linear-gradient(180deg, #F2F8FE 0%, #FAFCFF 100%);
  padding: 64px 0 72px;
  overflow: hidden;
}
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--c-primary-50); border: 1px solid var(--c-primary-100);
  color: var(--c-primary-600); font-size: 13px; font-weight: 600;
  padding: 6px 14px; border-radius: 999px; margin-bottom: 18px;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--c-accent); }

.hero h1 {
  font-size: 40px; line-height: 1.3; color: var(--c-primary-700);
  font-weight: 800; letter-spacing: .5px; margin-bottom: 8px;
}
.hero-sub {
  font-size: 18px; color: var(--c-primary); font-weight: 600; margin-bottom: 22px;
}
.hero-desc { color: var(--c-text-sub); font-size: 15.5px; margin-bottom: 26px; max-width: 560px; }

.hero-points { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.hero-points li { display: flex; align-items: flex-start; gap: 10px; font-size: 15.5px; }
.hero-points .check {
  width: 21px; height: 21px; flex: none; margin-top: 3px; border-radius: 50%;
  background: var(--c-green); color: #fff; display: grid; place-items: center;
}
.hero-points .check svg { width: 12px; height: 12px; }
.hero-points strong { color: var(--c-primary-700); }

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* 快速预约卡片 */
.quick-form-card {
  background: var(--c-white); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 28px 26px; position: relative;
}
.quick-form-card::before {
  content: ""; position: absolute; inset: 0 auto auto 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--c-primary) 0%, var(--c-accent) 100%);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.quick-form-card h2 { font-size: 19px; color: var(--c-primary-700); margin-bottom: 4px; }
.quick-form-card .form-tip { font-size: 12.5px; color: var(--c-text-light); margin-bottom: 18px; }

.form-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-row label { font-size: 13.5px; font-weight: 600; color: var(--c-text); }
.form-row label .req { color: #EF4444; margin-left: 2px; }
.form-row input, .form-row select, .form-row textarea {
  border: 1px solid var(--c-border); border-radius: var(--radius-sm);
  padding: 10px 12px; background: var(--c-bg); color: var(--c-text);
  transition: border-color .2s, background .2s;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  border-color: var(--c-primary); background: #fff; outline: none;
}
.form-row textarea { resize: vertical; min-height: 68px; }
.form-row .error-msg { font-size: 12px; color: #EF4444; display: none; }
.form-row.has-error input, .form-row.has-error select { border-color: #EF4444; background: #FEF2F2; }
.form-row.has-error .error-msg { display: block; }

.form-submit { width: 100%; margin-top: 6px; }
.form-privacy {
  font-size: 12px; color: var(--c-text-light); margin-top: 12px;
  display: flex; align-items: flex-start; gap: 6px;
}
.form-privacy svg { width: 13px; height: 13px; flex: none; margin-top: 3px; }

/* ---------- 通用 Section ---------- */
.section { padding: 68px 0; }
.section-alt { background: var(--c-bg); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 44px; }
.section-head .eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; color: var(--c-accent);
  letter-spacing: 4px; margin-bottom: 10px; text-transform: uppercase;
}
.section-head h2 {
  font-size: 30px; color: var(--c-primary-700); font-weight: 800; margin-bottom: 12px;
  letter-spacing: 1px;
}
.section-head p { color: var(--c-text-sub); font-size: 15px; }

/* ---------- 专科定位 4 卡 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card {
  background: var(--c-white); border: 1px solid var(--c-border);
  border-radius: var(--radius-lg); padding: 30px 24px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--c-primary-100); }
.feature-card .icon-wrap {
  width: 54px; height: 54px; border-radius: 14px; margin-bottom: 18px;
  background: var(--c-primary-50); color: var(--c-primary);
  display: grid; place-items: center;
}
.feature-card .icon-wrap svg { width: 28px; height: 28px; }
.feature-card h3 { font-size: 18px; color: var(--c-text); margin-bottom: 8px; font-weight: 700; }
.feature-card p { font-size: 13.8px; color: var(--c-text-sub); }

/* ---------- 分型诊疗 ---------- */
.type-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.type-card {
  background: var(--c-white); border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--c-border); transition: transform .25s, box-shadow .25s;
  display: flex; flex-direction: column;
}
.type-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.type-card .type-banner {
  padding: 18px 20px; color: #fff; display: flex; align-items: center; gap: 10px;
}
.type-card:nth-child(1) .type-banner { background: linear-gradient(135deg, #0F6CBD, #084879); }
.type-card:nth-child(2) .type-banner { background: linear-gradient(135deg, #0891B2, #155E75); }
.type-card:nth-child(3) .type-banner { background: linear-gradient(135deg, #16A34A, #166534); }
.type-card:nth-child(4) .type-banner { background: linear-gradient(135deg, #F97316, #C2410C); }
.type-card .type-banner svg { width: 22px; height: 22px; flex: none; }
.type-card .type-banner h3 { font-size: 17px; font-weight: 700; }
.type-card .type-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.type-card .type-body p { font-size: 13.8px; color: var(--c-text-sub); margin-bottom: 14px; flex: 1; }
.type-card .type-body .plan {
  background: var(--c-primary-50); border-radius: var(--radius-sm);
  padding: 10px 12px; font-size: 12.8px; color: var(--c-primary-700);
}
.type-card .type-body .plan strong { display: block; margin-bottom: 2px; font-size: 13px; }
.type-note {
  text-align: center; margin-top: 28px; font-size: 13px; color: var(--c-text-light);
}

/* ---------- 微创技术对比 ---------- */
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-bottom: 28px; }
.compare-card {
  border-radius: var(--radius-lg); padding: 28px; border: 1px solid var(--c-border);
  background: var(--c-white);
}
.compare-card.is-modern {
  border: 2px solid var(--c-primary);
  box-shadow: var(--shadow-lg);
  position: relative;
}
.compare-card .tag {
  position: absolute; top: -14px; left: 24px;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-600));
  color: #fff; font-size: 12.5px; font-weight: 700; padding: 4px 14px; border-radius: 999px;
}
.compare-card h3 { font-size: 19px; margin-bottom: 16px; color: var(--c-text); }
.compare-card.is-modern h3 { color: var(--c-primary-700); }
.compare-card ul { display: flex; flex-direction: column; gap: 10px; }
.compare-card li { display: flex; gap: 10px; font-size: 14px; color: var(--c-text-sub); }
.compare-card li .li-icon { flex: none; width: 18px; height: 18px; margin-top: 3px; }
.compare-card.is-modern li { color: var(--c-text); }
.compare-footnote { text-align: center; font-size: 12.5px; color: var(--c-text-light); }

/* ---------- 诊疗流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; counter-reset: step; }
.step-card {
  background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius);
  padding: 22px 16px; text-align: center; position: relative;
  transition: transform .25s, box-shadow .25s;
}
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.step-card .num {
  width: 40px; height: 40px; margin: 0 auto 12px; border-radius: 50%;
  background: var(--c-primary-50); color: var(--c-primary);
  font-size: 16px; font-weight: 800; display: grid; place-items: center;
}
.step-card:hover .num { background: var(--c-primary); color: #fff; }
.step-card h3 { font-size: 15.5px; margin-bottom: 6px; }
.step-card p { font-size: 12.5px; color: var(--c-text-sub); }

/* ---------- 医师团队（横向滚动） ---------- */
.doctor-carousel { position: relative; }
.doctor-grid {
  display: grid; grid-auto-flow: column; grid-auto-columns: 288px;
  gap: 24px; overflow-x: auto; overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  padding: 6px 4px 24px; margin: 0 -4px;
  scrollbar-width: thin; scrollbar-color: var(--c-primary-100) transparent;
}
.doctor-grid::-webkit-scrollbar { height: 6px; }
.doctor-grid::-webkit-scrollbar-track { background: var(--c-primary-50); border-radius: 3px; }
.doctor-grid::-webkit-scrollbar-thumb { background: var(--c-primary-100); border-radius: 3px; }
.doctor-grid::-webkit-scrollbar-thumb:hover { background: var(--c-primary); }
.doctor-card {
  scroll-snap-align: start;
  background: var(--c-white); border-radius: var(--radius-lg); padding: 30px 22px;
  text-align: center; border: 1px solid var(--c-border);
  transition: transform .25s, box-shadow .25s;
  display: flex; flex-direction: column;
}
.doctor-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.doctor-card .avatar {
  width: 88px; height: 88px; margin: 0 auto 14px; border-radius: 50%;
  background: var(--c-primary-50); color: var(--c-primary);
  display: grid; place-items: center; border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--c-primary-100);
  overflow: hidden; flex: none;
}
.doctor-card .avatar img { width: 100%; height: 100%; object-fit: cover; }
.doctor-card .avatar svg { width: 42px; height: 42px; }
.doctor-card h3 { font-size: 17.5px; margin-bottom: 3px; }
.doctor-card .doc-role { font-size: 13px; color: var(--c-primary); font-weight: 600; margin-bottom: 4px; }
.doctor-card .doc-hospital { font-size: 12.5px; color: var(--c-text-light); margin-bottom: 10px; }
.doctor-card p { font-size: 13px; color: var(--c-text-sub); flex: 1; text-align: left; }
.doctor-card .doc-stats {
  display: flex; justify-content: center; gap: 22px;
  padding: 10px 0; margin: 4px 0 12px;
  border-top: 1px dashed var(--c-border); border-bottom: 1px dashed var(--c-border);
  font-size: 12.5px; color: var(--c-text-light);
}
.doctor-card .doc-stats strong { color: var(--c-accent); font-size: 14.5px; margin-right: 3px; }
.doctor-card .doc-cta { display: flex; gap: 10px; }
.doctor-card .doc-cta .btn { flex: 1; padding: 8px 0; font-size: 13.5px; }
/* 前后翻页按钮 */
.doctor-nav {
  position: absolute; top: 118px; transform: translateY(-50%); z-index: 5;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--c-white); border: 1px solid var(--c-border);
  box-shadow: var(--shadow-md); color: var(--c-primary);
  display: grid; place-items: center; cursor: pointer;
  transition: background .2s, color .2s;
}
.doctor-nav:hover { background: var(--c-primary); color: #fff; }
.doctor-nav svg { width: 18px; height: 18px; }
.doctor-nav.is-prev { left: -14px; }
.doctor-nav.is-next { right: -14px; }
.doctor-nav.is-disabled { opacity: .35; cursor: default; }
.doctor-nav.is-disabled:hover { background: var(--c-white); color: var(--c-primary); }
/* 滚动提示 */
.doctor-hint {
  text-align: center; font-size: 12.5px; color: var(--c-text-light); margin-top: 2px;
}

/* ---------- 签约治疗保障（深色横幅） ---------- */
.guarantee { background: linear-gradient(135deg, var(--c-primary-700) 0%, var(--c-primary-600) 60%, #0C72B8 100%); color: #fff; }
.guarantee .section-head h2 { color: #fff; }
.guarantee .section-head p { color: rgba(255, 255, 255, .78); }
.guarantee-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.guarantee-card {
  background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .18);
  border-radius: var(--radius-lg); padding: 30px 26px; text-align: center;
  backdrop-filter: blur(4px); transition: background .25s, transform .25s;
}
.guarantee-card:hover { background: rgba(255, 255, 255, .14); transform: translateY(-4px); }
.guarantee-card .icon-wrap {
  width: 62px; height: 62px; margin: 0 auto 16px; border-radius: 18px;
  background: rgba(255, 255, 255, .14); display: grid; place-items: center; color: #FFD9B3;
}
.guarantee-card .icon-wrap svg { width: 32px; height: 32px; }
.guarantee-card h3 { font-size: 18px; margin-bottom: 8px; }
.guarantee-card p { font-size: 13.5px; color: rgba(255, 255, 255, .82); }

/* ---------- 科普文章卡（首页） ---------- */
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card {
  background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-lg);
  padding: 24px; display: flex; flex-direction: column; gap: 10px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.article-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--c-primary-100); }
.article-card .meta { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--c-text-light); }
.article-card .cat-tag {
  background: var(--c-primary-50); color: var(--c-primary-600);
  font-size: 12px; font-weight: 600; padding: 2px 10px; border-radius: 999px;
}
.article-card h3 { font-size: 16px; line-height: 1.5; }
.article-card h3 a:hover { color: var(--c-primary); }
.article-card p { font-size: 13.5px; color: var(--c-text-sub); flex: 1; }
.article-card .more { font-size: 13px; color: var(--c-primary); font-weight: 600; }
.section-foot { text-align: center; margin-top: 36px; }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius);
  overflow: hidden; transition: border-color .2s, box-shadow .2s;
}
.faq-item.is-open { border-color: var(--c-primary-100); box-shadow: var(--shadow-md); }
.faq-q {
  width: 100%; display: flex; align-items: center; gap: 14px;
  padding: 18px 22px; text-align: left; font-size: 15.5px; font-weight: 600; color: var(--c-text);
}
.faq-q .q-mark {
  flex: none; width: 26px; height: 26px; border-radius: 8px;
  background: var(--c-primary-50); color: var(--c-primary);
  font-size: 14px; font-weight: 800; display: grid; place-items: center;
}
.faq-q .arrow { margin-left: auto; flex: none; width: 18px; height: 18px; color: var(--c-text-light); transition: transform .25s; }
.faq-item.is-open .arrow { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-inner { padding: 0 22px 18px 62px; font-size: 14px; color: var(--c-text-sub); }

/* ---------- 预约区（首页底部） ---------- */
.appointment { background: linear-gradient(180deg, #F2F8FE 0%, #fff 100%); }
.appointment-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
.appointment-info h2 { font-size: 28px; color: var(--c-primary-700); margin-bottom: 14px; font-weight: 800; }
.appointment-info p { color: var(--c-text-sub); margin-bottom: 18px; }
.appointment-info ul { display: flex; flex-direction: column; gap: 10px; }
.appointment-info li { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; color: var(--c-text); }
.appointment-info li::before {
  content: ""; flex: none; width: 7px; height: 7px; border-radius: 50%;
  background: var(--c-accent); margin-top: 9px;
}
.appointment-form-card {
  background: var(--c-white); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 32px;
}
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--c-primary-700); color: rgba(255, 255, 255, .82); font-size: 13.5px; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding: 52px 0 40px;
}
.footer-col h3 { color: #fff; font-size: 15.5px; margin-bottom: 16px; font-weight: 700; }
.footer-col p { line-height: 1.8; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a:hover { color: #fff; }
.footer-kw { display: flex; flex-wrap: wrap; gap: 8px; }
.footer-kw a {
  background: rgba(255, 255, 255, .10); border: 1px solid rgba(255, 255, 255, .16);
  padding: 4px 12px; border-radius: 999px; font-size: 12.5px;
}
.footer-kw a:hover { background: rgba(255, 255, 255, .2); color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .14); padding: 18px 0;
  text-align: center; font-size: 12.5px; color: rgba(255, 255, 255, .55); line-height: 1.8;
}

/* ---------- 浮动工具栏 ---------- */
.float-bar {
  position: fixed; right: 18px; bottom: 90px; z-index: 90;
  display: flex; flex-direction: column; gap: 10px;
}
.float-bar a, .float-bar button {
  width: 50px; height: 50px; border-radius: 50%;
  background: var(--c-white); box-shadow: var(--shadow-md);
  display: grid; place-items: center; color: var(--c-primary);
  border: 1px solid var(--c-border); transition: transform .2s, background .2s, color .2s;
}
.float-bar a:hover, .float-bar button:hover { transform: translateY(-3px); background: var(--c-primary); color: #fff; }
.float-bar svg { width: 22px; height: 22px; }
.float-bar .float-cta { background: var(--c-accent); color: #fff; border-color: transparent; }
.float-bar .float-cta:hover { background: var(--c-accent-600); }

.back-top { opacity: 0; pointer-events: none; transition: opacity .25s; }
.back-top.is-visible { opacity: 1; pointer-events: auto; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; top: 20%; transform: translate(-50%, -8px);
  background: rgba(15, 23, 42, .92); color: #fff; font-size: 14px;
  padding: 14px 26px; border-radius: var(--radius);
  box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none;
  transition: opacity .3s, transform .3s; z-index: 999; max-width: 86vw; text-align: center;
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
.toast strong { color: #7DD3FC; }

/* ================ 列表页 ================ */
.page-hero {
  background: linear-gradient(135deg, #F2F8FE 0%, #FAFCFF 100%);
  border-bottom: 1px solid var(--c-primary-100);
  padding: 34px 0;
}
.breadcrumb { font-size: 13px; color: var(--c-text-light); margin-bottom: 10px; }
.breadcrumb a:hover { color: var(--c-primary); }
.breadcrumb .sep { margin: 0 8px; color: var(--c-text-light); }
.page-hero h1 { font-size: 27px; color: var(--c-primary-700); font-weight: 800; margin-bottom: 6px; }
.page-hero .page-desc { font-size: 14px; color: var(--c-text-sub); max-width: 860px; }

.list-layout {
  display: grid; grid-template-columns: 1fr 320px; gap: 36px;
  padding: 44px 0 68px; align-items: start;
}

/* 分类筛选 */
.filter-tabs {
  display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px;
  padding-bottom: 20px; border-bottom: 1px solid var(--c-border);
}
.filter-tabs button {
  padding: 8px 20px; border-radius: 999px; font-size: 14px; font-weight: 500;
  color: var(--c-text-sub); background: var(--c-bg); border: 1px solid var(--c-border);
  transition: all .2s;
}
.filter-tabs button:hover { color: var(--c-primary); border-color: var(--c-primary-100); }
.filter-tabs button.is-active {
  background: var(--c-primary); border-color: var(--c-primary);
  color: #fff; font-weight: 600;
}
.filter-count { font-size: 13px; color: var(--c-text-light); margin-bottom: 16px; }
.filter-count strong { color: var(--c-primary); }

/* 文章列表 */
.post-list { display: flex; flex-direction: column; gap: 16px; }
.post-item {
  background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-lg);
  padding: 22px 24px; display: grid; grid-template-columns: 64px 1fr auto; gap: 18px;
  align-items: center; transition: transform .2s, box-shadow .2s, border-color .2s;
}
.post-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--c-primary-100); }
.post-item .date-box {
  width: 64px; text-align: center; border-right: 1px solid var(--c-border); padding-right: 14px;
}
.post-item .date-box .d { font-size: 26px; font-weight: 800; color: var(--c-primary); line-height: 1.1; }
.post-item .date-box .m { font-size: 12px; color: var(--c-text-light); }
.post-item .post-main h3 { font-size: 16.5px; line-height: 1.5; margin-bottom: 6px; }
.post-item .post-main h3 a:hover { color: var(--c-primary); }
.post-item .post-main .excerpt { font-size: 13.5px; color: var(--c-text-sub); }
.post-item .post-aside { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.post-item .cat-tag {
  background: var(--c-primary-50); color: var(--c-primary-600);
  font-size: 12px; font-weight: 600; padding: 2px 10px; border-radius: 999px; white-space: nowrap;
}
.post-item .read { font-size: 13px; color: var(--c-primary); font-weight: 600; white-space: nowrap; }

.post-empty {
  padding: 60px 0; text-align: center; color: var(--c-text-light); font-size: 14px;
}

/* 分页 */
.pagination {
  display: flex; justify-content: center; gap: 8px; margin-top: 34px;
}
.pagination a, .pagination span {
  min-width: 40px; height: 40px; padding: 0 14px;
  display: grid; place-items: center; border-radius: var(--radius-sm);
  border: 1px solid var(--c-border); font-size: 14px; color: var(--c-text-sub);
  background: var(--c-white); transition: all .2s;
}
.pagination a:hover { border-color: var(--c-primary); color: var(--c-primary); }
.pagination .is-current {
  background: var(--c-primary); border-color: var(--c-primary); color: #fff; font-weight: 700;
}
.pagination .is-disabled { opacity: .4; pointer-events: none; }

/* 侧栏 */
.sidebar { display: flex; flex-direction: column; gap: 22px; position: sticky; top: calc(var(--header-h) + 16px); }
.side-widget {
  background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-lg);
  overflow: hidden;
}
.side-widget .widget-head {
  padding: 14px 20px; border-bottom: 1px solid var(--c-border);
  font-size: 15px; font-weight: 700; color: var(--c-primary-700);
  display: flex; align-items: center; gap: 8px; background: var(--c-bg);
}
.side-widget .widget-head svg { width: 17px; height: 17px; color: var(--c-accent); }
.side-widget .widget-body { padding: 16px 20px; }

.side-cta {
  background: linear-gradient(135deg, var(--c-primary-700), var(--c-primary)); color: #fff;
  border-radius: var(--radius-lg); padding: 24px 20px; text-align: center;
}
.side-cta h3 { font-size: 17px; margin-bottom: 6px; }
.side-cta p { font-size: 12.8px; color: rgba(255, 255, 255, .8); margin-bottom: 16px; }
.side-cta .side-tel {
  display: inline-flex; align-items: center; gap: 8px; font-size: 18px; font-weight: 800;
  color: #FFD9B3; margin-bottom: 16px; letter-spacing: 1px;
}
.side-cta .side-tel svg { width: 18px; height: 18px; }
.side-cta .btn { width: 100%; }

.hot-list { display: flex; flex-direction: column; gap: 14px; }
.hot-list li { display: flex; gap: 10px; align-items: flex-start; }
.hot-list .rank {
  flex: none; width: 20px; height: 20px; margin-top: 2px; border-radius: 6px;
  background: var(--c-primary-50); color: var(--c-primary);
  font-size: 12px; font-weight: 800; display: grid; place-items: center;
}
.hot-list li:nth-child(1) .rank { background: #FEF3E2; color: var(--c-accent); }
.hot-list li:nth-child(2) .rank { background: #FEEFDC; color: var(--c-accent-600); }
.hot-list li:nth-child(3) .rank { background: #FDF2F2; color: #EF4444; }
.hot-list a { font-size: 13.8px; line-height: 1.55; }
.hot-list a:hover { color: var(--c-primary); }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a {
  background: var(--c-bg); border: 1px solid var(--c-border);
  padding: 4px 12px; border-radius: 999px; font-size: 12.5px; color: var(--c-text-sub);
}
.tag-cloud a:hover { border-color: var(--c-primary); color: var(--c-primary); background: var(--c-primary-50); }

/* ================ 响应式 ================ */
/* ---------- 中等桌面/平板横屏：压缩页头，防止导航折行 ---------- */
@media (max-width: 1400px) {
  .header-inner { gap: 18px; }
  .main-nav { gap: 2px; }
  .main-nav a { padding: 8px 11px; font-size: 14.5px; }
  .logo-mark { width: 40px; height: 40px; }
  .logo-mark svg { width: 24px; height: 24px; }
  .logo-text .logo-name { font-size: 17.5px; }
  .header-cta { gap: 8px; }
  .header-cta .btn-sm { padding: 7px 14px; font-size: 13px; }
}

@media (max-width: 1120px) {
  .header-cta { gap: 6px; }
  .header-cta .btn-outline { display: none; }
  .header-cta .btn-accent { padding: 7px 12px; font-size: 12.5px; white-space: nowrap; }
  .main-nav a { padding: 7px 9px; font-size: 14px; }
}

@media (max-width: 1024px) {
  .hero h1 { font-size: 32px; }
  .feature-grid, .type-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .article-grid, .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
  .doctor-grid { grid-auto-columns: 264px; }
  .doctor-nav { display: none; }
  .list-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .topbar-inner { justify-content: center; }
  .topbar-left span:not(.topbar-tel) { display: none; }
  .topbar-right { display: none; }
  .header-inner { gap: 10px; }
  .logo { gap: 8px; }
  .logo-mark { width: 34px; height: 34px; border-radius: 8px; }
  .logo-mark svg { width: 20px; height: 20px; }
  .logo-text .logo-name { font-size: 15px; letter-spacing: .5px; }
  .logo-text .logo-sub { font-size: 10.5px; letter-spacing: 2px; }

  .nav-toggle { display: flex; padding: 8px; }
  .nav-toggle span { width: 20px; }
  .main-nav {
    display: none; position: absolute; top: var(--header-h); left: 0; right: 0;
    background: var(--c-white); flex-direction: column; align-items: stretch;
    padding: 12px 16px 20px; gap: 4px; border-bottom: 1px solid var(--c-border);
    box-shadow: var(--shadow-lg);
  }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 12px 16px; }
  .header-cta { gap: 6px; }
  .header-cta .btn-outline { display: none; }
  .header-cta .btn-accent { padding: 7px 12px; font-size: 12.5px; white-space: nowrap; }

  .hero { padding: 40px 0 52px; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { font-size: 28px; }
  .hero-sub { font-size: 16px; }
  .compare-grid, .appointment-inner, .form-grid-2 { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
  .section-head h2 { font-size: 24px; }
  .article-grid, .guarantee-grid, .feature-grid, .type-grid { grid-template-columns: 1fr; }
  .doctor-grid { grid-auto-columns: 78vw; padding-bottom: 18px; }
  .steps { grid-template-columns: repeat(2, 1fr); }

  .post-item { grid-template-columns: 56px 1fr; }
  .post-item .post-aside { grid-column: 2; flex-direction: row; align-items: center; }

  .float-bar { right: 10px; bottom: 70px; }
  .float-bar a, .float-bar button { width: 44px; height: 44px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding: 36px 0 28px; }
}

@media (max-width: 400px) {
  .header-cta .btn-accent { display: none; }
  .steps { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .pagination { flex-wrap: wrap; }
}