/* ============================================================
   世道健康官网 · 新版首页
   视觉系统：新中式学术风（墨绿 × 宣纸白 × 赭金）
   ============================================================ */

/* ---------- 设计令牌 ---------- */
:root {
  --green: #1C3328;          /* 墨绿主色 */
  --green-deep: #10231B;     /* 深墨 */
  --green-soft: #2A4A3A;     /* 浅一档墨绿 */
  --gold: #B08D57;           /* 赭金 */
  --gold-light: #C9A876;     /* 浅金 */
  --gold-bg: #F5EEE1;        /* 金色底晕 */
  --paper: #FAF8F4;          /* 宣纸白 */
  --paper-warm: #F3EFE6;     /* 暖米 */
  --seal-red: #A03A2C;       /* 印章红（点缀） */
  --ink: #2B2B28;            /* 文字主色 */
  --ink-sub: #6B6B66;       /* 文字次色 */
  --ink-faint: #9C9A92;      /* 更淡 */
  --line: #E8E3D9;           /* 分割线 */
  --white: #FFFFFF;

  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;

  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(28, 51, 40, .05), 0 4px 14px rgba(28, 51, 40, .05);
  --shadow-md: 0 6px 18px rgba(28, 51, 40, .10), 0 2px 5px rgba(28, 51, 40, .06);
  --shadow-lg: 0 16px 40px rgba(16, 35, 27, .16);
  --ease: cubic-bezier(.22, .8, .3, 1);
  --header-h: 76px;
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: inline-block; vertical-align: middle; }

a { color: inherit; text-decoration: none; }

button {
  font: inherit; color: inherit;
  background: none; border: 0; cursor: pointer; padding: 0;
}

ul { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, p { margin: 0; }

.container {
  width: min(1180px, 100% - 48px);
  margin-inline: auto;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  clip: rect(0 0 0 0); clip-path: inset(50%);
  overflow: hidden; white-space: nowrap;
}

.skip-link {
  position: fixed; top: -60px; left: 16px; z-index: 200;
  padding: 10px 18px;
  background: var(--green); color: var(--paper);
  border-radius: 8px; font-size: 14px;
  transition: top .25s var(--ease);
}
.skip-link:focus { top: 12px; }

/* 选中态 */
::selection { background: rgba(176, 141, 87, .32); }

/* ---------- 品牌印章（图片版：世道健康四方连续印章） ---------- */
.logo-seal {
  display: block;
  width: 40px; height: 40px;
  border-radius: 6px;
  object-fit: cover;
  flex: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .12);
  background: #fff;
}
.f-seal { width: 56px; height: 56px; border-radius: 8px; }

/* ============================================================
   顶部导航
   ============================================================ */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .35s var(--ease), box-shadow .35s var(--ease);
}
.site-header.scrolled {
  background: rgba(250, 248, 244, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line), 0 8px 24px rgba(28, 51, 40, .06);
}

.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h);
}

.logo { display: inline-flex; align-items: center; gap: 12px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text strong {
  font-family: var(--serif);
  font-size: 21px; font-weight: 700; letter-spacing: .12em;
  color: var(--green);
}
.logo-text small {
  font-size: 10px; letter-spacing: .22em;
  color: var(--gold); font-weight: 500;
  transform: translateY(1px);
}

.nav-list { display: flex; align-items: center; gap: 8px; }

.nav-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 14px;
  font-size: 15px; font-weight: 500; letter-spacing: .04em;
  color: var(--ink);
  border-radius: 10px;
  transition: color .2s, background .2s;
}
.nav-link:hover { color: var(--green); background: rgba(28, 51, 40, .06); }
.caret { width: 9px; transition: transform .25s var(--ease); }
.nav-item:hover .caret, .nav-item:focus-within .caret { transform: rotate(180deg); }

.nav-cta {
  margin-left: 8px;
  padding: 9px 20px;
  border: 1.5px solid var(--green);
  border-radius: 999px;
  font-weight: 600;
  transition: background .25s var(--ease), color .25s var(--ease), transform .25s var(--ease);
}
.nav-cta:hover { background: var(--green); color: var(--paper); transform: translateY(-1px); }

/* 下拉菜单 */
.nav-item { position: relative; }
.dropdown {
  position: absolute; top: calc(100% + 10px); left: 50%;
  min-width: 168px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  padding: 8px;
  transform: translate(-50%, 8px);
  opacity: 0; visibility: hidden;
  transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
}
.nav-item:hover > .dropdown,
.nav-item:focus-within > .dropdown {
  opacity: 1; visibility: visible;
  transform: translate(-50%, 0);
}
.dropdown::before {
  content: ""; position: absolute; top: -10px; left: 0; right: 0; height: 10px;
}
.dropdown a {
  display: block;
  padding: 9px 14px;
  font-size: 14px; color: var(--ink-sub);
  border-radius: 8px;
  transition: background .18s, color .18s, padding-left .18s;
}
.dropdown a:hover { background: var(--paper-warm); color: var(--green); padding-left: 18px; }

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  border-radius: 10px;
}
.nav-toggle span {
  width: 22px; height: 2px; border-radius: 2px;
  background: var(--green);
  transition: transform .3s var(--ease), opacity .3s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端抽屉 */
.mobile-menu {
  background: var(--paper);
  border-top: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  padding: 12px 24px calc(24px + env(safe-area-inset-bottom));
}
.mobile-menu > ul > li { border-bottom: 1px solid var(--line); }
.mobile-menu > ul > li:last-child { border-bottom: 0; }
.mm-group {
  display: flex; justify-content: space-between; align-items: center;
  width: 100%; padding: 16px 4px;
  font-size: 16px; font-weight: 600; letter-spacing: .06em;
  color: var(--green);
  font-family: var(--serif);
}
.mm-group::after {
  content: "+"; font-family: var(--sans); font-weight: 400;
  color: var(--gold); font-size: 18px;
  transition: transform .3s var(--ease);
}
.mm-group[aria-expanded="true"]::after { transform: rotate(45deg); }
.mm-sub {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows .3s var(--ease);
  overflow: hidden;
}
.mm-sub.open { grid-template-rows: 1fr; }
.mm-sub > li { overflow: hidden; }
.mm-sub a {
  display: block; padding: 10px 4px 10px 18px;
  font-size: 14px; color: var(--ink-sub);
}
.mm-sub a::before { content: "·"; color: var(--gold); margin-right: 8px; }
.mm-cta {
  display: block; padding: 16px 4px;
  font-size: 16px; font-weight: 600; color: var(--green);
}

/* ============================================================
   Hero 第1屏
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  padding: calc(var(--header-h) + 48px) 0 72px;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(176, 141, 87, .10), transparent 60%),
    linear-gradient(180deg, #FDFBF7 0%, var(--paper) 100%);
  overflow: hidden;
}

/* 装饰层 */
.hero-decor { position: absolute; inset: 0; pointer-events: none; }

.glow {
  position: absolute; border-radius: 50%;
  filter: blur(70px);
  opacity: .55;
}
.glow-a {
  width: 560px; height: 560px; left: -180px; top: 8%;
  background: radial-gradient(circle, rgba(42, 74, 58, .14), transparent 65%);
}
.glow-b {
  width: 640px; height: 640px; right: -220px; bottom: -12%;
  background: radial-gradient(circle, rgba(201, 168, 118, .20), transparent 65%);
}

/* 竖排水印（装饰，极淡） */
.watermark {
  position: absolute; top: 50%; transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: var(--serif);
  font-size: 15px; letter-spacing: 1.4em;
  color: var(--green);
  opacity: .04;
  display: flex; gap: 2.6em;
}
.watermark p { margin: 0; }
.wm-left { left: 34px; }
.wm-right { right: 34px; }

/* 两侧界格线与竖排题字：仅大屏显示，避免与内容重叠 */
.hero-rule, .vertical-motto { display: none; }
@media (min-width: 1400px) {
  .hero-rule { display: block; }
  .vertical-motto { display: block; }
}
.hero-rule {
  position: absolute; top: 22%; bottom: 22%;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(176, 141, 87, .4), transparent);
}
.hero-rule-l { left: 96px; }
.hero-rule-r { right: 96px; }

/* 竖排题字 */
.vertical-motto {
  position: absolute; right: 128px; top: 24%;
  writing-mode: vertical-rl;
  font-family: var(--serif);
  font-size: 13px; letter-spacing: .5em;
  color: var(--gold);
  padding-top: 52px;
}
.vertical-motto::before {
  content: ""; position: absolute; top: 0; left: 50%;
  width: 1px; height: 40px;
  background: var(--gold);
}

.hero-inner {
  position: relative; z-index: 1;
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
}

/* 眉题 */
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 500;
  letter-spacing: .28em;
  color: var(--gold);
  margin-bottom: 28px;
}
.eyebrow-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(176, 141, 87, .18);
}
.hero-eyebrow .eyebrow-dot { margin-right: 2px; }

/* 主口号 */
.hero-title {
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 60px);
  font-weight: 900;
  letter-spacing: .06em;
  line-height: 1.28;
  color: var(--green);
  text-wrap: balance;
}
.hero-title::after {
  content: "";
  display: block; width: 56px; height: 3px;
  margin: 30px auto 0;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.hero-subtitle {
  margin-top: 22px;
  font-family: var(--serif);
  font-size: clamp(16px, 2.1vw, 24px);
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--ink-sub);
}

/* ---------- 伏病学递进 ---------- */
.fuxie-flow {
  margin-top: 54px;
  display: flex; align-items: flex-start; justify-content: center;
  gap: clamp(18px, 4vw, 46px);
}

.fuxie-step {
  position: relative;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 6px 10px;
}

/* 呼吸光效：错峰 3s/轮，opacity .4→1（禁闪烁） */
.fs-word {
  font-family: var(--serif);
  font-weight: 700;
  color: var(--green);
  position: relative;
  cursor: help;
  animation: breathe 3s ease-in-out infinite;
}
.fs-w1 { font-size: 20px; animation-delay: 0s; color: var(--ink-sub); }
.fs-w2 { font-size: 28px; animation-delay: 1s; }
.fs-w3 { font-size: 36px; animation-delay: 2s; color: var(--green-deep); }

@keyframes breathe {
  0%, 100% { opacity: .4; text-shadow: none; }
  50% { opacity: 1; text-shadow: 0 0 24px rgba(176, 141, 87, .35); }
}

.fs-note {
  font-size: 12px; letter-spacing: .12em;
  color: var(--ink-faint);
  white-space: nowrap;
}

/* hover / focus 气泡 */
.fs-tip {
  position: absolute; bottom: calc(100% + 14px); left: 50%;
  transform: translate(-50%, 6px);
  width: max-content; max-width: 300px;
  padding: 12px 16px;
  background: var(--green-deep);
  color: rgba(250, 248, 244, .92);
  font-size: 13px; line-height: 1.7; letter-spacing: .02em;
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden;
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  z-index: 5;
  text-align: left;
}
.fs-tip::after {
  content: ""; position: absolute; top: 100%; left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent; border-top-color: var(--green-deep);
}
.fuxie-step:hover .fs-tip,
.fuxie-step:focus-within .fs-tip {
  opacity: 1; visibility: visible;
  transform: translate(-50%, 0);
}

/* 递进连接符（三枚渐进圆点） */
.fs-connector {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding-top: 26px;
}
.fs-connector i {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--gold-light);
}
.fs-connector i:nth-child(2) { opacity: .7; transform: scale(1.2); }
.fs-connector i:nth-child(3) { opacity: .45; transform: scale(1.45); }

/* ---------- 预约前信任速览条 ---------- */
.booking-note {
  margin: 42px auto 0;
  width: min(760px, 100%);
  text-align: center;
}
.bn-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 12px;
}
.bn-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .74);
  backdrop-filter: blur(4px);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-sub);
  letter-spacing: .02em;
}
.bn-item::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  flex: none;
}
.bn-tip {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--ink-faint);
  line-height: 1.9;
  letter-spacing: .02em;
}

/* ---------- 约诊卡片（核心 CTA） ---------- */
.booking-card {
  position: relative;
  margin-top: 26px;
  width: min(760px, 100%);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-md);
  padding: 26px 28px 20px;
}
.booking-card::before {
  content: "";
  position: absolute; inset: -1px;
  border-radius: 19px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(176, 141, 87, .55), transparent 40%, transparent 60%, rgba(28, 51, 40, .25));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.booking-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.bk-field { position: relative; }

/* 姓名 / 电话输入框（与搜索框同款） */
.bk-input input {
  width: 100%; height: 54px;
  padding: 0 16px;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  font: inherit; font-size: 15px;
  color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
}
.bk-input input::placeholder { color: var(--ink-faint); }
.bk-input input:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(28, 51, 40, .1);
}

/* 校验失败状态 */
.bk-field.invalid input,
.bk-field.invalid .bk-select-btn {
  border-color: #C0392B;
  box-shadow: 0 0 0 3px rgba(192, 57, 43, .1);
}

.bk-search input {
  width: 100%; height: 54px;
  padding: 0 16px 0 46px;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  font: inherit; font-size: 15px;
  color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
}
.bk-search input::placeholder { color: var(--ink-faint); }
.bk-search input:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(28, 51, 40, .1);
}
.bk-icon {
  position: absolute; left: 16px; top: 50%;
  transform: translateY(-50%);
  width: 18px; color: var(--ink-faint);
  pointer-events: none;
}

/* 病种自定义下拉 */
.bk-select-btn {
  width: 100%; height: 54px;
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 0 16px;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  font-size: 15px;
  transition: border-color .2s, box-shadow .2s;
}
.bk-select-btn:hover { border-color: var(--gold-light); }
.bk-select.open .bk-select-btn {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(28, 51, 40, .1);
}
.bk-select-value {
  overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
  color: var(--ink-faint);
}
.bk-select-value.chosen { color: var(--ink); font-weight: 500; }
.bk-select .caret { flex: none; transition: transform .25s var(--ease); }
.bk-select.open .caret { transform: rotate(180deg); }

.bk-options {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0;
  max-height: 288px; overflow-y: auto;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 6px;
  z-index: 30;
  animation: dropIn .2s var(--ease);
}
@keyframes dropIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
.bk-options li {
  display: flex; align-items: baseline; justify-content: space-between; gap: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14.5px; color: var(--ink);
  cursor: pointer;
}
.bk-options li small { font-size: 12px; color: var(--ink-faint); white-space: nowrap; }
.bk-options li:hover, .bk-options li.focused { background: var(--paper-warm); }
.bk-options li[aria-selected="true"] {
  background: var(--green);
  color: var(--paper);
}
.bk-options li[aria-selected="true"] small { color: rgba(250, 248, 244, .72); }

/* 原生 select（门诊部选择）—— 与输入框同款 */
.bk-select-native { position: relative; }
.bk-select-native::after {
  content: "▾";
  position: absolute;
  right: 16px; top: 50%;
  transform: translateY(-50%);
  font-size: 12px; color: var(--ink-faint);
  pointer-events: none;
}
.bk-select-native select {
  width: 100%; height: 54px;
  padding: 0 40px 0 16px;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  font: inherit; font-size: 15px;
  color: var(--ink);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  cursor: pointer;
  transition: border-color .2s, box-shadow .2s;
}
.bk-select-native select:required:invalid { color: var(--ink-faint); }
.bk-select-native select:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(28, 51, 40, .1);
}
.bk-field.invalid select {
  border-color: #C0392B;
  box-shadow: 0 0 0 3px rgba(192, 57, 43, .1);
}

/* 立即预约 */
.bk-submit {
  grid-column: 1 / -1;
  width: 100%;
  height: 54px;
  padding: 0 34px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--green) 0%, var(--green-soft) 100%);
  color: var(--paper);
  font-size: 16px; font-weight: 600; letter-spacing: .12em;
  white-space: nowrap;
  box-shadow: 0 6px 16px rgba(28, 51, 40, .28);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), filter .22s;
}
.bk-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(28, 51, 40, .34);
  filter: brightness(1.06);
}
.bk-submit:active { transform: translateY(0); }
.bk-submit:disabled { opacity: .65; cursor: not-allowed; transform: none; box-shadow: none; }

/* 提交成功提示 */
.bk-success {
  display: none;
  margin-top: 12px;
  align-items: center; gap: 6px;
  font-size: 14px; letter-spacing: .04em;
  color: var(--green-deep);
}
.bk-success.show { display: flex; }
.bk-success::before {
  content: "";
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--green-deep);
  flex: none;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M3.5 8.5 6.5 11.5 12.5 4.5' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>") center/contain no-repeat;
  mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M3.5 8.5 6.5 11.5 12.5 4.5' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>") center/contain no-repeat;
}

/* 智能辨证链接 */
.bk-smart {
  display: inline-block;
  margin-top: 14px;
  font-size: 13.5px; letter-spacing: .06em;
  color: var(--ink-sub);
  border-bottom: 1px dashed transparent;
  transition: color .2s, border-color .2s;
}
.bk-smart:hover { color: var(--gold); border-color: var(--gold-light); }

/* ---------- 辅助菜单 ---------- */
.hero-quick {
  margin-top: 44px;
  display: flex; align-items: center; gap: 18px;
  font-size: 14px; letter-spacing: .05em;
  color: var(--ink-sub);
}
.hero-quick a {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 4px;
  transition: color .2s, transform .2s var(--ease);
}
.hero-quick a svg { width: 15px; color: var(--ink-faint); transition: color .2s; }
.hero-quick a:hover { color: var(--green); transform: translateY(-1px); }
.hero-quick a:hover svg { color: var(--gold); }
.hq-sep { color: var(--line); user-select: none; }

/* 向下滚动提示 */
.scroll-hint {
  position: absolute; left: 50%; bottom: 26px;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  color: var(--ink-faint);
  font-size: 11px; letter-spacing: .3em;
}
.sh-line {
  width: 1px; height: 44px;
  background: linear-gradient(180deg, var(--gold-light), transparent);
  overflow: hidden; position: relative;
}
.sh-line::after {
  content: ""; position: absolute; top: -50%; left: 0;
  width: 1px; height: 50%;
  background: var(--green);
  animation: scrollDrop 2.2s var(--ease) infinite;
}
@keyframes scrollDrop {
  0% { top: -50%; }
  100% { top: 100%; }
}

/* ============================================================
   第2屏 学术背书墙
   ============================================================ */
.endorse {
  position: relative;
  padding: 110px 0 96px;
  background:
    linear-gradient(180deg, var(--paper) 0%, var(--paper-warm) 26%, var(--paper-warm) 100%);
}
.endorse::before {
  content: "";
  position: absolute; top: 0; left: 50%;
  transform: translateX(-50%);
  width: min(1180px, calc(100% - 48px)); height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 20%, var(--line) 80%, transparent);
}

.endorse-head, .matrix-head {
  text-align: center;
  margin-bottom: 56px;
}

.section-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12.5px; letter-spacing: .3em;
  color: var(--gold);
  margin-bottom: 18px;
  font-weight: 500;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 900;
  letter-spacing: .08em;
  color: var(--green-deep);
}
.section-title::after {
  content: "";
  display: block; width: 40px; height: 2.5px;
  margin: 20px auto 0;
  background: var(--gold);
}
.section-desc {
  margin-top: 20px;
  max-width: 560px; margin-inline: auto;
  font-size: 15px; color: var(--ink-sub);
  letter-spacing: .03em;
}

/* 横向无缝滚动 */
.marquee {
  position: relative;
  overflow: hidden;
  padding: 14px 0 6px;
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 58s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.marquee-seg {
  display: flex; align-items: center; gap: 16px;
  padding-right: 16px;
}

/* 研究者名字牌 */
.nm-item {
  flex: none;
  padding: 9px 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--serif);
  font-size: 18px; font-weight: 600;
  letter-spacing: .14em;
  color: var(--green-deep);
  box-shadow: var(--shadow-sm);
  cursor: default;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s, color .25s;
}
.nm-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(176, 141, 87, .5);
  color: var(--green);
}

/* 田胜利 / 王琦：单独金色闪动 */
.nm-gold {
  color: #8A6D3F;
  font-weight: 700;
  background: linear-gradient(135deg, #FBF5E8 0%, #F3E6CA 100%);
  border-color: rgba(176, 141, 87, .6);
  cursor: pointer;
  animation: goldPulse 2.6s ease-in-out infinite;
}
.nm-gold:hover {
  color: var(--green-deep);
  border-color: var(--gold);
  box-shadow: 0 6px 20px rgba(176, 141, 87, .35);
}
@keyframes goldPulse {
  0%, 100% {
    box-shadow: 0 0 0 1px rgba(176, 141, 87, .12), 0 0 10px rgba(176, 141, 87, .14);
  }
  50% {
    box-shadow: 0 0 0 1px rgba(176, 141, 87, .38), 0 0 30px rgba(176, 141, 87, .6);
  }
}

/* 边缘渐隐遮罩 */
.marquee-mask-l, .marquee-mask-r {
  position: absolute; top: 0; bottom: 30px;
  width: clamp(48px, 9vw, 120px);
  pointer-events: none;
  z-index: 2;
}
.marquee-mask-l {
  left: 0;
  background: linear-gradient(90deg, var(--paper-warm), transparent);
}
.marquee-mask-r {
  right: 0;
  background: linear-gradient(270deg, var(--paper-warm), transparent);
}

.marquee-note {
  text-align: center;
  margin-top: 26px;
  font-size: 12.5px; letter-spacing: .14em;
  color: var(--ink-faint);
}

/* ============================================================
   第2.5屏 学术文献
   ============================================================ */
.papers {
  position: relative;
  padding: 96px 0 90px;
  background: var(--paper);
}
.papers::before {
  content: "";
  position: absolute; top: 0; left: 50%;
  transform: translateX(-50%);
  width: min(1180px, calc(100% - 48px)); height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 20%, var(--line) 80%, transparent);
}
.papers-head { text-align: center; margin-bottom: 52px; }

.papers-body { position: relative; }

/* 文献列表：纸笺底 + 界格列线 */
.papers-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 64px;
  margin: 0;
  padding: 44px 48px 40px;
  list-style: none;
  background:
    linear-gradient(90deg, transparent 49.6%, rgba(176, 141, 87, .16) 50%, transparent 50.4%),
    rgba(250, 248, 244, .72);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .6), 0 18px 44px rgba(28, 51, 40, .05);
}

.paper-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 2px;
  border-bottom: 1px dashed rgba(176, 141, 87, .22);
}
.paper-item:nth-last-child(-n + 2) { border-bottom: none; }

/* 方向标签 */
.paper-tag {
  flex: none;
  transform: translateY(-1px);
  font-size: 11px; letter-spacing: .08em;
  padding: 2px 9px;
  border-radius: 999px;
  color: #6b5a2f;
  background: rgba(176, 141, 87, .13);
  border: 1px solid rgba(176, 141, 87, .3);
}
.paper-tag[data-dir="tumor"] { color: #8a3a2e; background: rgba(160, 58, 44, .1); border-color: rgba(160, 58, 44, .26); }
.paper-tag[data-dir="epidemic"] { color: #3a5a6b; background: rgba(58, 90, 107, .1); border-color: rgba(58, 90, 107, .26); }
.paper-tag[data-dir="immun"] { color: #3f6b3f; background: rgba(63, 107, 63, .1); border-color: rgba(63, 107, 63, .26); }
.paper-tag[data-dir="metab"] { color: #77601f; background: rgba(151, 120, 43, .12); border-color: rgba(151, 120, 43, .28); }
.paper-tag[data-dir="neuro"] { color: #4a5a78; background: rgba(74, 90, 120, .1); border-color: rgba(74, 90, 120, .26); }
.paper-tag[data-dir="derma"] { color: #8a5a6b; background: rgba(138, 90, 107, .1); border-color: rgba(138, 90, 107, .26); }
.paper-tag[data-dir="rheum"] { color: #96682c; background: rgba(150, 104, 44, .11); border-color: rgba(150, 104, 44, .27); }
.paper-tag[data-dir="neph"] { color: #54707a; background: rgba(84, 112, 122, .1); border-color: rgba(84, 112, 122, .26); }

/* 文献正文 */
.paper-text {
  flex: 1;
  font-size: 13px; line-height: 1.78;
  color: var(--ink-sub);
}
.paper-num {
  font-family: var(--serif);
  font-weight: 700;
  color: var(--gold);
  margin-right: 6px;
}

.papers-note {
  text-align: center;
  margin-top: 26px;
  font-size: 12.5px; letter-spacing: .14em;
  color: var(--ink-faint);
}

/* ============================================================
   第3屏 功能矩阵
   ============================================================ */
.matrix {
  padding: 104px 0 110px;
  background: var(--paper);
  position: relative;
}

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.mx-card {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 30px 26px 26px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.mx-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(176, 141, 87, .5);
}

.mx-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--paper-warm);
  color: var(--green);
  margin-bottom: 20px;
  transition: background .3s, color .3s, transform .3s var(--ease);
}
.mx-icon svg { width: 30px; height: 30px; }
.mx-card:hover .mx-icon {
  background: var(--green);
  color: var(--gold-light);
  transform: rotate(-4deg) scale(1.05);
}

.mx-title {
  font-family: var(--serif);
  font-size: 20px; font-weight: 700;
  color: var(--green-deep);
  letter-spacing: .06em;
}
.mx-desc {
  margin-top: 12px;
  font-size: 13.5px; line-height: 1.85;
  color: var(--ink-sub);
  flex: 1;
}

.mx-hl {
  margin-top: 18px;
  padding: 9px 12px;
  background: var(--gold-bg);
  border-radius: 8px;
  font-size: 12.5px; font-weight: 500;
  color: #8A6D3F;
  letter-spacing: .02em;
}
.mx-hl i {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
  margin-right: 8px;
}

.mx-link {
  display: inline-flex; align-items: center; gap: 7px;
  margin-top: 20px;
  font-size: 14px; font-weight: 600;
  color: var(--green);
  letter-spacing: .08em;
}
.mx-link svg { width: 14px; transition: transform .25s var(--ease); }
.mx-card:hover .mx-link svg { transform: translateX(4px); }
.mx-card:hover .mx-link { color: var(--gold); }

/* ============================================================
   关键词带
   ============================================================ */
.keyword-band {
  padding: 34px 0;
  background:
    linear-gradient(180deg, var(--paper) 0%, #EFEAE0 45%, var(--paper-warm) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.kb-inner {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 8px 0;
}
.kb-inner a {
  padding: 8px 6px;
  font-family: var(--serif);
  font-size: 15px; font-weight: 600;
  letter-spacing: .2em;
  color: var(--ink-sub);
  position: relative;
  transition: color .18s;
  white-space: nowrap;
}
.kb-inner a::after {
  content: "";
  position: absolute; left: 50%; right: 50%; bottom: 4px;
  height: 2px;
  background: var(--gold);
  transition: left .3s var(--ease), right .3s var(--ease);
}
/* 波浪高亮：JS 依次点亮 */
.kb-inner a.lit {
  color: var(--green);
  text-shadow: 0 0 18px rgba(176, 141, 87, .45);
}
.kb-inner a.lit::after, .kb-inner a:hover::after { left: 6px; right: 6px; }
.kb-inner a:hover { color: var(--green); }
.kb-inner i {
  width: 30px; height: 1px;
  background: var(--line);
  margin: 0 10px;
  flex: none;
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  background:
    radial-gradient(900px 400px at 85% 0%, rgba(176, 141, 87, .12), transparent 60%),
    var(--green-deep);
  color: rgba(250, 248, 244, .82);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1.1fr;
  gap: 40px;
  padding: 72px 0 56px;
}

.f-logo {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--serif);
  font-size: 21px; font-weight: 700;
  color: var(--paper);
  letter-spacing: .12em;
  margin-bottom: 20px;
}
.f-seal { /* 尺寸由顶部 .f-seal 定义；这里只放图片专用样式 */ }
.f-tag {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--sans);
  font-size: 11px; font-weight: 400;
  letter-spacing: .12em;
  color: rgba(250, 248, 244, .55);
}
.f-slogan {
  font-family: var(--serif);
  font-size: 14.5px; line-height: 2.1;
  letter-spacing: .14em;
  color: rgba(250, 248, 244, .55);
}
.f-slogan::before {
  content: "「"; color: var(--gold);
}
.f-slogan::after { content: "」"; color: var(--gold); }

.f-col h3 {
  font-family: var(--serif);
  font-size: 15px; font-weight: 700;
  letter-spacing: .22em;
  color: var(--gold-light);
  margin-bottom: 18px;
}
.f-gap { margin-top: 30px; }
.f-col ul li { margin-bottom: 10px; }
.f-col a {
  font-size: 13.5px;
  color: rgba(250, 248, 244, .62);
  transition: color .2s, padding-left .2s;
}
.f-col a:hover { color: var(--gold-light); padding-left: 4px; }
.f-legal li { font-size: 12.5px; color: rgba(250, 248, 244, .45); }

.footer-bottom {
  border-top: 1px solid rgba(250, 248, 244, .1);
  padding: 22px 0;
}
.fb-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
}
.fb-inner p { font-size: 12.5px; color: rgba(250, 248, 244, .42); letter-spacing: .06em; }
.fb-motto {
  font-family: var(--serif);
  letter-spacing: .5em;
  color: rgba(176, 141, 87, .5);
}

/* ============================================================
   研究者模态框
   ============================================================ */
.re-modal {
  border: none;
  border-radius: 18px;
  padding: 0;
  max-width: 480px; width: calc(100% - 48px);
  background: var(--white);
  box-shadow: var(--shadow-lg);
}
.re-modal::backdrop { background: rgba(16, 35, 27, .5); backdrop-filter: blur(4px); }
.re-modal[open] { animation: modalIn .3s var(--ease); }
@keyframes modalIn {
  from { opacity: 0; transform: translateY(16px) scale(.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.re-modal article { padding: 34px 32px 30px; position: relative; }
.re-modal-close {
  position: absolute; top: 16px; right: 18px;
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: 24px; line-height: 1;
  color: var(--ink-faint);
  transition: background .2s, color .2s;
}
.re-modal-close:hover { background: var(--paper-warm); color: var(--green); }

.re-modal-head { display: flex; align-items: center; gap: 18px; }
.re-modal-head h3 {
  font-family: var(--serif);
  font-size: 26px; font-weight: 900;
  color: var(--green-deep);
  letter-spacing: .05em;
}
.re-modal-tag { margin-top: 6px; font-size: 13px; color: var(--gold); font-weight: 600; }
.re-modal-org { margin-top: 18px; font-size: 14px; color: var(--ink-sub); }
.re-modal-works {
  margin-top: 14px;
  display: flex; flex-direction: column; gap: 8px;
}
.re-modal-works span {
  display: flex; align-items: baseline; gap: 10px;
  padding: 10px 14px;
  background: var(--paper-warm);
  border-radius: 8px;
  font-family: var(--serif);
  font-size: 14.5px;
  color: var(--ink);
}
.re-modal-works span::before { content: "◆"; font-size: 9px; color: var(--gold); }
.re-modal-note { margin-top: 18px; font-size: 12.5px; color: var(--ink-faint); line-height: 1.8; }

/* ============================================================
   Toast
   ============================================================ */
.toast {
  position: fixed; left: 50%; bottom: 36px;
  transform: translate(-50%, 20px);
  max-width: calc(100vw - 40px);
  padding: 13px 26px;
  background: var(--green-deep);
  color: var(--paper);
  font-size: 14px; letter-spacing: .04em;
  border-radius: 999px;
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden;
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
  z-index: 150;
}
.toast.show { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

/* ============================================================
   滚动入场动画
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* 交错入场 */
.matrix-grid .mx-card.reveal:nth-child(2) { transition-delay: .08s; }
.matrix-grid .mx-card.reveal:nth-child(3) { transition-delay: .16s; }
.matrix-grid .mx-card.reveal:nth-child(4) { transition-delay: .24s; }

/* ============================================================
   响应式
   ============================================================ */

/* 平板 768–1023 */
@media (max-width: 1023px) {
  .nav-list { display: none; }
  .nav-toggle { display: flex; }

  .hero-rule, .vertical-motto { display: none; }
  .watermark { display: none; }

  .fuxie-flow { gap: 22px; }

  .papers-list { grid-template-columns: 1fr; column-gap: 0; }
  .paper-item:nth-last-child(-n + 2) { border-bottom: 1px dashed rgba(176, 141, 87, .22); }
  .paper-item:last-child { border-bottom: none; }

  .matrix-grid { grid-template-columns: repeat(2, 1fr); }

  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 36px 28px; padding: 56px 0 44px; }
  .f-brand { grid-column: 1 / -1; }
}

/* 手机 <768 */
@media (max-width: 767px) {
  :root { --header-h: 64px; }

  .container { width: calc(100% - 36px); }

  .hero {
    min-height: auto;
    padding: calc(var(--header-h) + 36px) 0 60px;
  }
  .hero-title { font-size: clamp(30px, 9.4vw, 36px); }
  .hero-subtitle { font-size: 17px; letter-spacing: .2em; margin-top: 16px; }

  /* 递进改纵向，字号微调 */
  .fuxie-flow {
    flex-direction: column;
    align-items: center;
    gap: 4px;
    margin-top: 40px;
  }
  .fs-connector {
    flex-direction: row;
    padding: 8px 0 6px;
    gap: 6px;
  }
  .fs-w1 { font-size: 19px; }
  .fs-w2 { font-size: 25px; }
  .fs-w3 { font-size: 32px; }
  /* 手机端气泡改为 tap 展示后置于下方，避免溢出屏幕 */
  .fs-tip {
    position: fixed; bottom: auto; top: 50%; left: 50%;
    transform: translate(-50%, -50%) scale(.96);
    max-width: calc(100vw - 48px);
  }
  .fs-tip::after { display: none; }
  .fuxie-step:hover .fs-tip,
  .fuxie-step:focus-within .fs-tip { transform: translate(-50%, -50%) scale(1); }

  .booking-card { padding: 18px 16px 16px; margin-top: 44px; }
  .booking-grid { grid-template-columns: 1fr; gap: 10px; }
  .bk-options { max-height: 240px; }

  .hero-quick { flex-wrap: wrap; justify-content: center; gap: 10px 14px; }
  .hq-sep { display: none; }

  .scroll-hint { display: none; }

  /* 文献：移动端紧凑排版 */
  .papers { padding: 76px 0 72px; }
  .papers-head { margin-bottom: 38px; }
  .papers-list { padding: 26px 20px 24px; border-radius: 12px; }
  .paper-item { gap: 9px; padding: 9px 0; }
  .paper-text { font-size: 12.5px; line-height: 1.72; }

  /* 背书墙：名字条在移动端保持横向滚动（名字牌尺寸小，无需改纵向） */
  .marquee { padding: 10px 0 4px; }
  .marquee-seg { gap: 12px; padding-right: 12px; }
  .nm-item { padding: 7px 16px; font-size: 15px; letter-spacing: .1em; }
  .marquee-note { margin-top: 18px; }

  .endorse, .matrix { padding: 72px 0; }
  .endorse-head, .matrix-head { margin-bottom: 40px; }
  .section-desc { font-size: 14px; }

  .matrix-grid { grid-template-columns: 1fr; gap: 16px; }

  .keyword-band { padding: 26px 0; }
  .kb-inner { gap: 4px 0; }
  .kb-inner i { width: 16px; margin: 0 6px; }
  .kb-inner a { font-size: 14px; letter-spacing: .12em; padding: 6px 4px; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px 20px; padding: 48px 0 40px; }
  .f-brand { grid-column: 1 / -1; }
  .fb-inner { justify-content: center; text-align: center; }
}

/* 大屏增强 */
@media (min-width: 1600px) {
  .hero-title { font-size: 64px; }
}

/* ============================================================
   无障碍：偏好减少动效
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .marquee-track { animation: none; }
  .fs-word { opacity: 1; }
}

/* 打印友好 */
@media print {
  .site-header, .scroll-hint, .marquee-mask-l, .marquee-mask-r, .toast { display: none !important; }
}

/* ==================== 建设中公告条 ==================== */
.announce-bar {
  position: fixed; top: 0; left: 0; right: 0;
  height: 40px;
  display: none;
  align-items: center; justify-content: center; gap: 12px;
  z-index: 120;
  padding: 0 46px;
  background: linear-gradient(135deg, #27463A 0%, var(--green) 55%, #14251D 100%);
  color: var(--paper);
  font-size: 13px; letter-spacing: .05em;
  box-shadow: 0 1px 0 rgba(176, 141, 87, .3), 0 4px 16px rgba(16, 35, 27, .28);
}
body.announce-on .announce-bar { display: flex; }
body.announce-on .site-header { top: 40px; }

.announce-seal {
  flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px;
  border: 1.5px solid var(--gold-light);
  border-radius: 6px;
  font-family: var(--serif);
  font-size: 13px; font-weight: 700;
  color: var(--gold-light);
  transform: rotate(-3deg);
}
.announce-text {
  display: flex; align-items: center; gap: 12px;
  margin: 0; white-space: nowrap;
}
.announce-text strong {
  font-family: var(--serif);
  font-weight: 700; color: #FFF;
  letter-spacing: .12em;
}
.announce-divider {
  width: 1px; height: 12px;
  background: rgba(250, 248, 244, .3);
}
.announce-ok {
  flex: none;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 14px;
  border: 1px solid rgba(201, 168, 118, .55);
  border-radius: 999px;
  background: rgba(201, 168, 118, .16);
  color: var(--gold-light);
  font-weight: 600;
  text-decoration: none;
  letter-spacing: .02em;
  transition: background .2s, color .2s, border-color .2s;
}
.announce-ok:hover, .announce-ok:focus-visible {
  background: var(--gold-light);
  border-color: var(--gold-light);
  color: var(--green-deep);
  outline: none;
}
.announce-arrow {
  font-size: 14px; line-height: 1;
  transition: transform .2s var(--ease);
}
.announce-ok:hover .announce-arrow { transform: translateX(3px); }
.announce-close {
  position: absolute; right: 12px; top: 50%;
  transform: translateY(-50%);
  width: 26px; height: 26px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid rgba(250, 248, 244, .35);
  border-radius: 50%;
  background: transparent;
  color: var(--paper);
  font-size: 16px; line-height: 1;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.announce-close:hover {
  background: rgba(250, 248, 244, .15);
  border-color: var(--gold-light);
  color: var(--gold-light);
}

@media (max-width: 767px) {
  body.announce-on .site-header { top: 38px; }
  .announce-bar { height: 38px; gap: 8px; font-size: 12px; padding: 0 40px; }
  .announce-text { gap: 8px; }
  .announce-text span:not(.announce-ok) { display: none; } /* 手机上仅保留核心提示 */
  .announce-ok { padding: 3px 10px; gap: 4px; }
}

/* 公告条显示时，首屏内容同步下移避让 */
body.announce-on .hero { padding-top: calc(var(--header-h) + 40px + 48px); }
@media (max-width: 767px) {
  body.announce-on .hero { padding-top: calc(var(--header-h) + 38px + 36px); }
}

/* ============================================================
   新增：医生团队板块（#team）
   ============================================================ */
.team {
  padding: 104px 0 110px;
  background: var(--paper-warm);
  position: relative;
}
.team-head, .loc-head {
  text-align: center;
  margin-bottom: 56px;
}
.team-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 22px;
  max-width: 980px;
  margin-inline: auto;
}
.doc-card {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 34px 32px 30px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.doc-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.doc-head {
  display: flex; align-items: center; gap: 18px;
  margin-bottom: 18px;
}
.doc-avatar {
  flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  width: 62px; height: 62px;
  border-radius: 50%;
  background: var(--green);
  color: var(--gold-light);
  font-family: var(--serif);
  font-size: 26px; font-weight: 900;
  letter-spacing: .05em;
}
.doc-name {
  font-family: var(--serif);
  font-size: 24px; font-weight: 900;
  letter-spacing: .06em;
  color: var(--green-deep);
}
.doc-name small {
  font-size: 14px; font-weight: 500;
  color: var(--ink-sub);
  letter-spacing: .1em;
}
.doc-title {
  margin-top: 4px;
  font-size: 13.5px; letter-spacing: .08em;
  color: var(--gold);
  font-weight: 500;
}
.doc-bio {
  font-size: 15px; line-height: 1.85;
  color: var(--ink-sub);
  margin-bottom: 22px;
}
    .doc-facts {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-bottom: 22px;
    }
.doc-facts li {
  background: var(--paper-warm);
  border-radius: 12px;
  padding: 14px 10px;
  text-align: center;
}
.doc-facts strong {
  display: block;
  font-family: var(--serif);
  font-size: 22px; font-weight: 900;
  color: var(--green);
  line-height: 1.2;
}
.doc-facts span {
  display: block;
  margin-top: 6px;
  font-size: 12px; line-height: 1.5;
  color: var(--ink-sub);
}
.doc-works {
  font-size: 14px; line-height: 1.85;
  color: var(--ink);
  background: var(--gold-bg);
  border-left: 3px solid var(--gold);
  border-radius: 0 10px 10px 0;
  padding: 12px 16px;
  margin-bottom: 20px;
}
.doc-link {
  margin-top: auto;
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14.5px; font-weight: 600;
  color: var(--green);
  transition: color .3s;
}
.doc-link svg { width: 14px; height: 10px; transition: transform .3s var(--ease); }
.doc-link:hover { color: var(--gold); }
.doc-link:hover svg { transform: translateX(4px); }

/* 团队扩充占位卡 */
.doc-card-more {
  align-items: center; justify-content: center;
  text-align: center;
  border-style: dashed;
  border-color: rgba(176, 141, 87, .45);
  background: rgba(255, 255, 255, .6);
}
.doc-more-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 1.5px dashed var(--gold);
  color: var(--gold);
  font-size: 26px; font-weight: 300;
  margin-bottom: 18px;
}
.doc-more-title {
  font-family: var(--serif);
  font-size: 22px; font-weight: 900;
  letter-spacing: .08em;
  color: var(--green-deep);
  margin-bottom: 10px;
}
.doc-more-text {
  font-size: 14px; line-height: 1.8;
  color: var(--ink-sub);
  margin-bottom: 22px;
}

/* ============================================================
   新增：门店信息板块（#locations）
   ============================================================ */
.locations {
  padding: 104px 0 110px;
  background: var(--paper);
  position: relative;
}
.loc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.loc-card {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 30px 28px 26px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.loc-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(176, 141, 87, .5);
}
.loc-tag {
  position: absolute; top: 20px; right: 20px;
  font-size: 11.5px; letter-spacing: .1em;
  color: var(--seal-red);
  border: 1px solid rgba(160, 58, 44, .4);
  border-radius: 999px;
  padding: 3px 12px;
  background: rgba(160, 58, 44, .05);
}
.loc-name {
  font-family: var(--serif);
  font-size: 21px; font-weight: 900;
  letter-spacing: .05em;
  color: var(--green-deep);
  padding-right: 64px;
}
.loc-sub {
  margin-top: 6px;
  font-size: 13px; letter-spacing: .1em;
  color: var(--gold);
  font-weight: 500;
}
.loc-detail {
  margin: 20px 0 22px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 14px;
  font-size: 14.5px;
}
.loc-detail dt {
  color: var(--ink-faint);
  font-size: 13px;
  letter-spacing: .2em;
  padding-top: 2px;
}
.loc-detail dd { margin: 0; color: var(--ink); }
.loc-detail a {
  color: var(--green);
  font-weight: 600;
  transition: color .3s;
}
.loc-detail a:hover { color: var(--gold); }
.loc-map {
  margin-top: auto;
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600;
  color: var(--green);
  transition: color .3s;
}
.loc-map svg { width: 14px; height: 10px; transition: transform .3s var(--ease); }
.loc-map:hover { color: var(--gold); }
.loc-map:hover svg { transform: translateX(4px); }
.loc-note {
  margin-top: 34px;
  text-align: center;
  font-size: 13.5px;
  color: var(--ink-faint);
  letter-spacing: .06em;
}

/* ============================================================
   新增：浮动按钮（在线咨询 / 分享）
   ============================================================ */
.float-actions {
  position: fixed;
  right: 24px; bottom: 28px;
  z-index: 120;
  display: flex; flex-direction: column; align-items: flex-end;
  gap: 12px;
}
.fa-btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px;
  box-shadow: var(--shadow-lg);
  transition: transform .3s var(--ease), box-shadow .3s;
}
.fa-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 44px rgba(16, 35, 27, .22); }
.fa-share {
  width: 46px; height: 46px;
  background: var(--white);
  color: var(--green);
  border: 1px solid var(--line);
}
.fa-share svg { width: 20px; height: 20px; }
.fa-consult {
  gap: 8px;
  padding: 13px 22px;
  background: var(--green);
  color: var(--gold-light);
  font-size: 15px; font-weight: 600;
  letter-spacing: .06em;
}
.fa-consult svg { width: 19px; height: 19px; }

/* 在线咨询弹窗 */
.consult-modal {
  border: 0;
  padding: 0;
  background: transparent;
  max-width: 420px;
  width: calc(100% - 40px);
  border-radius: var(--radius);
}
.consult-modal::backdrop {
  background: rgba(16, 35, 27, .5);
  backdrop-filter: blur(2px);
}
.consult-box {
  position: relative;
  background: var(--white);
  border-radius: var(--radius);
  padding: 34px 30px 30px;
  box-shadow: var(--shadow-lg);
}
.consult-close {
  position: absolute; top: 14px; right: 16px;
  font-size: 24px; line-height: 1;
  color: var(--ink-faint);
  width: 34px; height: 34px;
  border-radius: 50%;
  transition: background .3s, color .3s;
}
.consult-close:hover { background: var(--paper-warm); color: var(--ink); }
.consult-box h3 {
  font-family: var(--serif);
  font-size: 24px; font-weight: 900;
  letter-spacing: .08em;
  color: var(--green-deep);
}
.consult-sub {
  margin: 10px 0 22px;
  font-size: 13.5px; line-height: 1.7;
  color: var(--ink-sub);
}
.consult-box form { display: flex; flex-direction: column; gap: 14px; }
.consult-box input,
.consult-box textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  padding: 12px 14px;
  font: inherit;
  font-size: 14.5px;
  color: var(--ink);
  transition: border-color .3s, box-shadow .3s;
}
.consult-box input:focus,
.consult-box textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(176, 141, 87, .15);
}
.consult-box textarea { resize: vertical; min-height: 84px; }
.consult-box #cSubmit {
  background: var(--green);
  color: var(--gold-light);
  border-radius: 10px;
  padding: 13px;
  font-size: 15px; font-weight: 600;
  letter-spacing: .1em;
  transition: background .3s, transform .2s;
}
.consult-box #cSubmit:hover { background: var(--green-deep); }
.consult-ok {
  font-size: 14px;
  color: var(--green);
  font-weight: 500;
  text-align: center;
}

/* 新板块响应式 */
@media (max-width: 900px) {
  .team-grid { grid-template-columns: 1fr; }
  .loc-grid { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; }
}
@media (max-width: 767px) {
  .team { padding: 72px 0; }
  .locations { padding: 72px 0; }
  .team-head, .loc-head { margin-bottom: 40px; }
  .doc-card { padding: 26px 22px 24px; }
  .doc-facts { gap: 8px; }
  .doc-facts li { padding: 12px 6px; }
  .loc-card { padding: 26px 22px 24px; }
  .float-actions { right: 16px; bottom: 20px; }
  .fa-consult { padding: 12px 18px; font-size: 14px; }
}

/* ============================================================
   来沪就诊指南
   ============================================================ */
.visit-guide {
  padding: 72px 0 76px;
  background: linear-gradient(180deg, var(--paper-warm) 0%, #EFEAE0 55%, var(--paper) 100%);
  border-bottom: 1px solid var(--line);
}
.vg-head { text-align: center; margin-bottom: 48px; }
.vg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
  gap: 20px;
  max-width: 980px;
  margin-inline: auto;
}
.vg-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 28px 26px;
}
.vg-card h3 {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--green-deep);
  margin-bottom: 12px;
}
.vg-card p {
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--ink);
  letter-spacing: .03em;
}
@media (max-width: 900px) {
  .vg-grid { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; }
}
@media (max-width: 767px) {
  .visit-guide { padding: 56px 0 60px; }
  .vg-head { margin-bottom: 36px; }
  .vg-card { padding: 24px 20px; }
}

/* ============ 特色专病方向 scope ============ */
.scope {
  padding: 104px 0 110px;
  background: var(--paper);
  position: relative;
}
.scope-head { text-align: center; margin-bottom: 52px; }
.scope-head .section-title::after { margin-inline: auto; }
.scope .vg-grid { max-width: 980px; margin-inline: auto; }
.scope .vg-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 28px 26px;
  display: flex; flex-direction: column;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.scope .vg-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(176, 141, 87, .5); }
.scope .vg-card h3 { margin-bottom: 12px; }
.scope .vg-card p { flex: 1; }
.scope .vg-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 11px; letter-spacing: .08em;
  padding: 3px 10px;
  border-radius: 999px;
  color: #6b5a2f;
  background: rgba(176, 141, 87, .13);
  border: 1px solid rgba(176, 141, 87, .3);
  margin-bottom: 14px;
}
.scope .vg-more {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 14px;
  font-size: 12.5px; font-weight: 600;
  color: var(--green);
  letter-spacing: .05em;
  transition: color .3s;
}
.scope .vg-more svg { transition: transform .3s var(--ease); }
.scope .vg-more:hover { color: var(--gold); }
.scope .vg-more:hover svg { transform: translateX(4px); }
.scope-trust {
  max-width: 900px;
  margin: 36px auto 0;
  text-align: center;
  font-size: 13px; line-height: 1.9;
  letter-spacing: .04em;
  color: var(--ink-sub);
}
.scope-trust strong { color: var(--green-deep); font-weight: 600; }
.scope-cta {
  margin-top: 34px;
  text-align: center;
}
.scope-cta p {
  font-size: 15px; color: var(--ink);
  margin-bottom: 18px;
}
.scope-cta-row {
  display: flex; align-items: center; justify-content: center;
  gap: 14px; flex-wrap: wrap;
}
.scope-cta .btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--green);
  color: var(--gold-light);
  border-radius: 999px;
  padding: 13px 34px;
  font-size: 15px; font-weight: 600;
  letter-spacing: .06em;
  box-shadow: var(--shadow-md);
  transition: transform .3s var(--ease), background .3s;
}
.scope-cta .btn-primary:hover { background: var(--green-deep); transform: translateY(-2px); }
.scope-cta .btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent;
  color: var(--green);
  border: 1px solid rgba(28, 51, 40, .35);
  border-radius: 999px;
  padding: 13px 30px;
  font-size: 15px; font-weight: 600;
  letter-spacing: .06em;
  transition: border-color .3s, color .3s, background .3s;
}
.scope-cta .btn-ghost svg { transition: transform .3s var(--ease); }
.scope-cta .btn-ghost:hover { background: rgba(28, 51, 40, .05); border-color: var(--green); color: var(--green-deep); }
.scope-cta .btn-ghost:hover svg { transform: translateX(4px); }
@media (max-width: 767px) {
  .scope { padding: 72px 0; }
  .scope-head { margin-bottom: 38px; }
  .scope-trust { text-align: left; }
}