@charset "utf-8";
/* ==========================================================================
   烟台爱民中医医院 · 前台样式
   设计基调：玉石青 + 古铜金，中医文化语汇 / 现代栅格 / 移动优先
   ========================================================================== */

/* ---------- 1. 变量与重置 ---------- */
:root {
  --c-primary: #157a6e;
  --c-primary-dark: #0d5a51;
  --c-primary-light: #e9f4f1;
  --c-accent: #b3894a;
  --c-accent-light: #f7f0e3;
  --c-text: #2b3330;
  --c-body: #4a5551;
  --c-muted: #7b8985;
  --c-bg: #ffffff;
  --c-bg-soft: #f6f9f8;
  --c-line: #e6ecea;
  --c-white: #fff;

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
    "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-serif: "Songti SC", "STSong", "SimSun", "Noto Serif CJK SC", Georgia, serif;

  --radius: 8px;
  --radius-sm: 4px;
  --shadow-sm: 0 2px 10px rgba(21, 122, 110, .06);
  --shadow: 0 10px 34px rgba(21, 122, 110, .10);
  --shadow-lg: 0 18px 50px rgba(13, 90, 81, .16);
  --container: 1280px;
  --header-h: 84px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-body);
  background: var(--c-bg);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 { margin: 0 0 .5em; color: var(--c-text); font-weight: 600; line-height: 1.35; }
p { margin: 0 0 1em; }
img { max-width: 100%; height: auto; display: block; border: 0; }

/* <picture> 只用于图片格式协商（优先 WebP，回退原格式），不参与布局 */
picture { display: contents; }
/* 不支持 display:contents 的老浏览器：让 picture 自身撑满父容器 */
.hero__slide picture, .card__media picture, .about__media picture { display: block; width: 100%; height: 100%; }
a { color: var(--c-primary); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--c-primary-dark); }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
table { border-collapse: collapse; width: 100%; }

/* 无障碍：键盘焦点可见 */
:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 3px; border-radius: 2px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--c-primary); color: #fff; padding: 10px 18px; border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; color: #fff; }

.container { width: min(100% - 40px, var(--container)); margin-inline: auto; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

/* ---------- 2. 顶部快捷条 ---------- */
.topbar {
  background: var(--c-primary-dark);
  color: rgba(255, 255, 255, .82);
  font-size: 13px;
  line-height: 1.6;
}
.topbar__inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; height: 38px; }
.topbar a { color: rgba(255, 255, 255, .82); }
.topbar a:hover { color: #fff; }
.topbar__list { display: flex; gap: 20px; align-items: center; }
.topbar__list li { display: flex; align-items: center; gap: 6px; }
.topbar__list svg { width: 14px; height: 14px; flex: none; opacity: .8; }
.topbar__lang { display: flex; gap: 12px; }

/* ---------- 3. 页头与导航 ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .97);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--c-line);
  transition: box-shadow .25s var(--ease);
}
.header.is-stuck { box-shadow: var(--shadow-sm); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: var(--header-h); }

.logo { display: flex; align-items: center; gap: 12px; flex: none; }
.logo img { max-height: 46px; width: auto; }

.nav { display: flex; align-items: center; }
.nav > li { position: relative; }
.nav > li > a {
  display: block; padding: 0 17px; height: var(--header-h); line-height: var(--header-h);
  color: var(--c-text); font-size: 15.5px; white-space: nowrap;
  position: relative; transition: color .2s var(--ease);
}
.nav > li > a::after {
  content: ""; position: absolute; left: 50%; bottom: 20px; width: 0; height: 2px;
  background: var(--c-accent); transform: translateX(-50%); transition: width .28s var(--ease);
}
.nav > li:hover > a, .nav > li.is-active > a { color: var(--c-primary); }
.nav > li:hover > a::after, .nav > li.is-active > a::after { width: 24px; }

/* 二级菜单 */
.nav__sub {
  position: absolute; top: 100%; left: 50%; transform: translate(-50%, 10px);
  min-width: 168px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 8px 0; opacity: 0; visibility: hidden;
  transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
}
.nav > li:hover > .nav__sub, .nav > li:focus-within > .nav__sub {
  opacity: 1; visibility: visible; transform: translate(-50%, 0);
}
.nav__sub li a { display: block; padding: 9px 20px; font-size: 14.5px; color: var(--c-body); white-space: nowrap; }
.nav__sub li a:hover { background: var(--c-primary-light); color: var(--c-primary-dark); }

.header__actions { display: flex; align-items: center; gap: 12px; flex: none; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 26px; border-radius: var(--radius-sm); border: 1px solid transparent;
  font-size: 15px; font-weight: 500; letter-spacing: 1px; cursor: pointer;
  transition: all .24s var(--ease); white-space: nowrap;
}
.btn--primary { background: var(--c-primary); color: #fff; }
.btn--primary:hover { background: var(--c-primary-dark); color: #fff; box-shadow: 0 8px 22px rgba(21, 122, 110, .28); }
.btn--ghost { border-color: var(--c-line); color: var(--c-text); background: #fff; }
.btn--ghost:hover { border-color: var(--c-primary); color: var(--c-primary); }
.btn--accent { background: var(--c-accent); color: #fff; }
.btn--accent:hover { background: #96702f; color: #fff; }
.btn--lg { padding: 14px 38px; font-size: 16px; }
.btn--block { width: 100%; }
.btn svg { width: 16px; height: 16px; flex: none; }

/* ---------- 4. 通用区块 ---------- */
.section { padding: 84px 0; }
.section--soft { background: var(--c-bg-soft); }
.section--tight { padding: 56px 0; }

.section-head { text-align: center; margin-bottom: 48px; }
.section-head--left { text-align: left; }
.section-head__cn {
  font-family: var(--font-serif); font-size: clamp(26px, 3.4vw, 40px); letter-spacing: 6px;
  color: var(--c-primary-dark); position: relative; display: inline-block; padding-bottom: 16px; margin-bottom: 12px;
}
.section-head__cn::after {
  content: ""; position: absolute; left: 50%; bottom: 0; width: 46px; height: 2px;
  background: var(--c-accent); transform: translateX(-50%);
}
.section-head--left .section-head__cn::after { left: 0; transform: none; }
.section-head__en {
  font-size: 12px; letter-spacing: 4px; color: var(--c-accent); text-transform: uppercase; margin-bottom: 14px;
}
.section-head__desc { max-width: 720px; margin: 0 auto; color: var(--c-muted); font-size: 15.5px; }
.section-head--left .section-head__desc { margin-left: 0; }

/* ---------- 5. 首页轮播 ---------- */
.hero { position: relative; background: var(--c-primary-dark); overflow: hidden; }
.hero__slider { position: relative; height: clamp(440px, 60vw, 660px); }
.hero__slide {
  position: absolute; inset: 0; opacity: 0; visibility: hidden;
  transition: opacity 1s var(--ease), visibility 1s;
}
.hero__slide.is-active { opacity: 1; visibility: visible; }
.hero__slide img { width: 100%; height: 100%; object-fit: cover; }
/* 延迟载入期间隐藏，避免 alt 文字闪现 */
img[data-src]:not(.is-loaded) { opacity: 0; }
.hero__slide img.is-loaded { opacity: 1; transition: opacity .6s var(--ease); }
.hero__slide::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(6, 42, 37, .74) 0%, rgba(6, 42, 37, .38) 45%, rgba(6, 42, 37, .08) 75%);
}
.hero__content {
  position: absolute; inset: 0; display: flex; align-items: center; z-index: 2;
}
.hero__inner { max-width: 640px; color: #fff; }
.hero__title {
  font-family: var(--font-serif); font-size: clamp(28px, 4.4vw, 52px); color: #fff;
  letter-spacing: 4px; line-height: 1.3; margin-bottom: 18px; font-weight: 700;
  text-shadow: 0 2px 20px rgba(0, 0, 0, .3);
}
.hero__subtitle { font-size: clamp(15px, 1.6vw, 19px); color: rgba(255, 255, 255, .9); margin-bottom: 30px; line-height: 1.8; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__nav { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 3; }
.hero__dot {
  width: 34px; height: 3px; border: 0; padding: 0; background: rgba(255, 255, 255, .38);
  transition: background .25s var(--ease), width .25s var(--ease);
}
.hero__dot.is-active { background: var(--c-accent); width: 54px; }
.hero__scroll {
  position: absolute; right: 34px; bottom: 28px; z-index: 3; color: rgba(255, 255, 255, .8);
  font-size: 12px; letter-spacing: 2px; writing-mode: vertical-rl; display: flex; align-items: center; gap: 8px;
}
.hero__scroll::after { content: ""; width: 1px; height: 42px; background: linear-gradient(rgba(255,255,255,.7), transparent); }

/* ---------- 6. 关于爱民 ---------- */
.about { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.about__media { position: relative; }
.about__media img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; }
.about__badge {
  position: absolute; right: 22px; bottom: 22px; background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px 22px; text-align: center; border-top: 3px solid var(--c-accent);
}
.about__badge strong { display: block; font-family: var(--font-serif); font-size: 30px; color: var(--c-primary); line-height: 1.2; }
.about__badge span { font-size: 12px; color: var(--c-muted); letter-spacing: 1px; }
.about__lead { font-size: 19px; color: var(--c-primary-dark); font-family: var(--font-serif); line-height: 1.9; margin-bottom: 18px; }
.about__text { color: var(--c-muted); margin-bottom: 26px; }
.about__quote {
  border-left: 3px solid var(--c-accent); padding: 12px 0 12px 20px; margin: 0 0 28px;
  font-family: var(--font-serif); font-size: 18px; color: var(--c-primary-dark); letter-spacing: 2px;
}
.about__features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 30px; }
.about__feature { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; }
.about__feature svg { width: 18px; height: 18px; flex: none; margin-top: 5px; color: var(--c-accent); }

/* ---------- 7. 卡片通用 ---------- */
.grid { display: grid; gap: 28px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--c-line); transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(21, 122, 110, .28); }
.card__media { position: relative; overflow: hidden; aspect-ratio: 16 / 10; background: var(--c-bg-soft); }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s var(--ease); }
/* 科室横幅是带文字的横向图，按自身比例展示，否则两侧文字会被裁掉 */
.dept-card .card__media { aspect-ratio: auto; }
.dept-card .card__media img { height: auto; object-fit: contain; }
/* 传承档案：拓片 / 文献图比例与尺寸各异，按自身比例居中展示，避免被裁切或拉伸放大 */
.heritage-card .card__media {
  aspect-ratio: auto; display: flex; align-items: center; justify-content: center; padding: 14px;
}
.heritage-card .card__media img { width: auto; height: auto; max-width: 100%; max-height: 460px; object-fit: contain; }
.card:hover .card__media img { transform: scale(1.06); }
/* 档案图不放大，避免原始扫描件被二次插值 */
.heritage-card:hover .card__media img { transform: none; }
.card__body { padding: 24px 24px 28px; flex: 1; display: flex; flex-direction: column; }
.card__title { font-size: 19px; margin-bottom: 10px; letter-spacing: .5px; }
.card__title a { color: var(--c-text); }
.card__title a:hover { color: var(--c-primary); }
.card__text { color: var(--c-muted); font-size: 14.8px; margin-bottom: 16px; }
.card__more { margin-top: auto; color: var(--c-primary); font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.card__more::after { content: "→"; transition: transform .25s var(--ease); }
.card:hover .card__more::after { transform: translateX(4px); }
.card__tag {
  position: absolute; top: 14px; left: 14px; z-index: 2; background: rgba(13, 90, 81, .9);
  color: #fff; font-size: 12px; padding: 5px 12px; border-radius: 20px; letter-spacing: 1px;
}

/* 特色病种卡片（带底色装饰） */
.disease-card {
  position: relative; border-radius: var(--radius); overflow: hidden; min-height: 320px;
  display: flex; align-items: flex-end; color: #fff; isolation: isolate;
}
.disease-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .6s var(--ease); }
.disease-card::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(4, 26, 44, .08) 0%, rgba(3, 20, 36, .88) 78%);
}
.disease-card:hover img { transform: scale(1.07); }
.disease-card__body { padding: 30px; }
.disease-card__name { font-family: var(--font-serif); font-size: 26px; color: #fff; letter-spacing: 3px; margin-bottom: 8px; }
.disease-card__text { font-size: 14.5px; color: rgba(255, 255, 255, .85); margin: 0; }

/* 科室卡片 */
.dept-card__body { display: flex; align-items: flex-start; gap: 14px; }
.dept-card__icon {
  width: 46px; height: 46px; flex: none; border-radius: 50%; background: var(--c-primary-light);
  display: flex; align-items: center; justify-content: center; color: var(--c-primary);
}
.dept-card__icon svg { width: 22px; height: 22px; }

/* 专家卡片 */
.expert-card { text-align: center; }
.expert-card .card__media { aspect-ratio: 3 / 4; }
.expert-card .card__media img { object-fit: cover; object-position: top center; }
.expert-card__name { font-family: var(--font-serif); font-size: 22px; letter-spacing: 2px; margin-bottom: 2px; }
.expert-card__pos { font-size: 13px; color: var(--c-accent); letter-spacing: 2px; margin-bottom: 12px; }
.expert-card__text { font-size: 14.5px; color: var(--c-muted); text-align: justify; }
.expert-card__text.clamp { display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- 8. 新闻 ---------- */
.news-list { border-top: 1px solid var(--c-line); }
.news-item {
  display: grid; grid-template-columns: 118px 1fr auto; gap: 24px; align-items: center;
  padding: 24px 4px; border-bottom: 1px solid var(--c-line); transition: background .25s var(--ease), padding .25s var(--ease);
}
.news-item:hover { background: var(--c-bg-soft); padding-left: 12px; padding-right: 12px; }
.news-item__date { text-align: center; border-right: 1px solid var(--c-line); padding-right: 18px; }
.news-item__day { display: block; font-family: var(--font-serif); font-size: 32px; color: var(--c-primary); line-height: 1.1; }
.news-item__month { font-size: 12px; color: var(--c-muted); letter-spacing: 1px; }
.news-item__title { font-size: 17.5px; color: var(--c-text); margin-bottom: 6px; font-weight: 500; }
.news-item:hover .news-item__title { color: var(--c-primary); }
.news-item__summary { font-size: 14.5px; color: var(--c-muted); }
.news-item__arrow { display: flex; color: var(--c-muted); transition: transform .25s var(--ease), color .25s var(--ease); }
.news-item__arrow svg { width: 18px; height: 18px; }
.news-item:hover .news-item__arrow { color: var(--c-primary); transform: translateX(4px); }

/* 特色病种 & 新闻 侧栏布局 */
.split { display: grid; grid-template-columns: 1fr 380px; gap: 40px; align-items: start; }
/* 专家详情：照片原图 900px 宽，媒体列限宽，避免被拉伸放大发糊 */
.split--expert { grid-template-columns: minmax(0, 560px) 1fr; }
.split--expert > .about__media { max-width: 560px; width: 100%; }
.aside-card { background: var(--c-bg-soft); border-radius: var(--radius); padding: 28px; border: 1px solid var(--c-line); }
.aside-card + .aside-card { margin-top: 24px; }
.aside-card__title { font-family: var(--font-serif); font-size: 20px; letter-spacing: 3px; color: var(--c-primary-dark); margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--c-line); position: relative; }
.aside-card__title::after { content: ""; position: absolute; left: 0; bottom: -1px; width: 42px; height: 2px; background: var(--c-accent); }
.aside-links li { margin-bottom: 12px; }
.aside-links li:last-child { margin-bottom: 0; }
.aside-links a { color: var(--c-text); transition: color .2s var(--ease), padding-left .2s var(--ease); }
.aside-links a:hover { color: var(--c-primary); padding-left: 4px; }

/* ---------- 9. 四大理念 ---------- */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.pillar {
  position: relative; border-radius: var(--radius); overflow: hidden; min-height: 340px;
  display: flex; flex-direction: column; justify-content: flex-end; padding: 30px; color: #fff; isolation: isolate;
}
.pillar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .6s var(--ease); }
.pillar::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(6, 42, 37, .2), rgba(6, 42, 37, .88)); }
.pillar:hover img { transform: scale(1.06); }
.pillar__title { font-family: var(--font-serif); font-size: 27px; letter-spacing: 5px; color: #fff; margin-bottom: 4px; }
.pillar__en { font-size: 11px; letter-spacing: 3px; color: var(--c-accent); margin-bottom: 14px; }
.pillar__text { font-size: 14.5px; color: rgba(255, 255, 255, .86); margin: 0; }

/* ---------- 10. 联系信息 + 留言 ---------- */
.contact-band { background: var(--c-primary-dark); color: rgba(255, 255, 255, .84); padding: 52px 0; }
.contact-band__inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.contact-band__title { font-family: var(--font-serif); font-size: 24px; color: #fff; letter-spacing: 4px; margin: 0; }
.contact-band__list { display: flex; gap: 40px; flex-wrap: wrap; }
.contact-band__item { display: flex; gap: 12px; align-items: flex-start; }
.contact-band__item svg { width: 20px; height: 20px; color: var(--c-accent); flex: none; margin-top: 3px; }
.contact-band__item strong { display: block; color: #fff; font-weight: 500; font-size: 15px; }
.contact-band__item span { font-size: 13.5px; color: rgba(255, 255, 255, .68); }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.info-list__row { display: flex; gap: 18px; padding: 20px 0; border-bottom: 1px dashed var(--c-line); }
.info-list__row:last-child { border-bottom: 0; }
.info-list__icon {
  width: 44px; height: 44px; flex: none; border-radius: 50%; background: var(--c-primary-light);
  display: flex; align-items: center; justify-content: center; color: var(--c-primary);
}
.info-list__icon svg { width: 20px; height: 20px; }
.info-list__label { font-size: 13px; color: var(--c-muted); letter-spacing: 1px; }
.info-list__value { color: var(--c-text); font-size: 15.5px; word-break: break-all; }
.info-list__value a { color: var(--c-text); }
.info-list__value a:hover { color: var(--c-primary); }

.form { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow-sm); }
.form__row { margin-bottom: 18px; }
.form__label { display: block; font-size: 14px; color: var(--c-text); margin-bottom: 8px; font-weight: 500; }
.form__label .req { color: #d94c4c; margin-left: 3px; }
.form__control {
  width: 100%; padding: 12px 14px; border: 1px solid var(--c-line); border-radius: var(--radius-sm);
  background: #fcfdfd; transition: border-color .2s var(--ease), box-shadow .2s var(--ease); font-size: 15px;
}
.form__control:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(21, 122, 110, .12); background: #fff; }
textarea.form__control { min-height: 140px; resize: vertical; }
.form__error { color: #d94c4c; font-size: 13px; margin-top: 6px; }
.form__note { font-size: 13px; color: var(--c-muted); }
.form__inline { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form__captcha { display: flex; gap: 12px; align-items: stretch; }
.form__captcha .form__control { flex: 1; }
.captcha-img { border-radius: var(--radius-sm); border: 1px solid var(--c-line); cursor: pointer; height: 46px; }

.alert { padding: 13px 18px; border-radius: var(--radius-sm); margin-bottom: 22px; font-size: 14.5px; }
.alert--success { background: #e8f6ef; color: #1c7a4f; border: 1px solid #c4e7d6; }
.alert--error { background: #fdecec; color: #b93b3b; border: 1px solid #f5cccc; }
.alert--info { background: var(--c-primary-light); color: var(--c-primary-dark); border: 1px solid rgba(21, 122, 110, .2); }

/* ---------- 11. 内页头部 ---------- */
.page-hero {
  position: relative; height: clamp(230px, 32vw, 340px); display: flex; align-items: center;
  justify-content: center; text-align: center; color: #fff; overflow: hidden; isolation: isolate;
}
.page-hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.page-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(105deg, rgba(6, 42, 37, .86), rgba(13, 90, 81, .62)); }
.page-hero__title { font-family: var(--font-serif); font-size: clamp(26px, 4vw, 42px); color: #fff; letter-spacing: 8px; margin-bottom: 6px; }
.page-hero__en { font-size: 12px; letter-spacing: 5px; color: var(--c-accent); text-transform: uppercase; }
.breadcrumb { display: flex; gap: 8px; justify-content: center; font-size: 13px; color: rgba(255, 255, 255, .7); margin-top: 14px; }
.breadcrumb a { color: rgba(255, 255, 255, .78); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { opacity: .5; }

/* ---------- 12. 富文本正文 ---------- */
.prose { color: var(--c-body); font-size: 16px; line-height: 2.05; }
.prose p { margin-bottom: 1.1em; }
.prose h2 { font-family: var(--font-serif); font-size: 24px; letter-spacing: 2px; margin: 1.6em 0 .7em; padding-left: 14px; border-left: 3px solid var(--c-accent); }
.prose h3 { font-size: 19px; margin: 1.4em 0 .6em; color: var(--c-primary-dark); }
.prose img { border-radius: var(--radius); margin: 1.4em 0; }
.prose ul { list-style: disc; padding-left: 1.4em; margin-bottom: 1.1em; }
.prose ol { list-style: decimal; padding-left: 1.4em; margin-bottom: 1.1em; }
.prose li { margin-bottom: .4em; }
.prose blockquote { margin: 1.4em 0; padding: 16px 22px; background: var(--c-bg-soft); border-left: 3px solid var(--c-primary); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.prose a { text-decoration: underline; text-underline-offset: 3px; }
.prose table th, .prose table td { border: 1px solid var(--c-line); padding: 9px 14px; }
.prose table th { background: var(--c-bg-soft); font-weight: 600; }

/* ---------- 13. 文章详情 ---------- */
.article-head { text-align: center; padding-bottom: 26px; border-bottom: 1px solid var(--c-line); margin-bottom: 34px; }
.article-head__title { font-family: var(--font-serif); font-size: clamp(23px, 3.2vw, 34px); color: var(--c-text); letter-spacing: 2px; line-height: 1.5; }
.article-meta { display: flex; gap: 20px; justify-content: center; font-size: 13.5px; color: var(--c-muted); flex-wrap: wrap; }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta svg { width: 14px; height: 14px; opacity: .7; }
/* 文章封面：原图尺寸不一（海报 212px、图库 1080px），居中展示并限制高度，不放大 */
.article-cover { margin-bottom: 34px; display: flex; justify-content: center; }
.article-cover img {
  width: auto; height: auto; max-width: 100%; max-height: 520px; object-fit: contain;
  border-radius: var(--radius); box-shadow: var(--shadow-sm); background: var(--c-bg-soft);
}
.article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 44px; padding-top: 28px; border-top: 1px solid var(--c-line); }
.article-nav a { padding: 14px 18px; background: var(--c-bg-soft); border-radius: var(--radius-sm); font-size: 14.5px; display: block; }
.article-nav a:hover { background: var(--c-primary-light); }
.article-nav .next { text-align: right; }
.article-nav small { display: block; color: var(--c-muted); font-size: 12px; margin-bottom: 4px; }

/* ---------- 14. 分页 ---------- */
.pagination { margin-top: 44px; }
.pagination ul { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.pagination a, .pagination span {
  display: inline-flex; align-items: center; justify-content: center; min-width: 42px; height: 42px;
  padding: 0 14px; border: 1px solid var(--c-line); border-radius: var(--radius-sm); color: var(--c-body);
  font-size: 14.5px; transition: all .22s var(--ease);
}
.pagination a:hover { border-color: var(--c-primary); color: var(--c-primary); background: var(--c-primary-light); }
.pagination .current { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }

/* ---------- 15. 筛选标签 ---------- */
.filter { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.filter a {
  padding: 9px 24px; border: 1px solid var(--c-line); border-radius: 30px; font-size: 14.5px;
  color: var(--c-body); background: #fff; transition: all .22s var(--ease);
}
.filter a:hover { border-color: var(--c-primary); color: var(--c-primary); }
.filter a.is-active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }

/* ---------- 16. 页脚 ---------- */
.footer { background: #0c3733; color: rgba(255, 255, 255, .62); font-size: 14.5px; }
.footer__main { display: grid; grid-template-columns: 1.5fr 1fr 1fr 200px; gap: 44px; padding: 62px 0 48px; }
.footer__logo img { max-height: 44px; margin-bottom: 18px; }
.footer__about { line-height: 2; max-width: 330px; }
.footer__title { color: #fff; font-size: 16px; letter-spacing: 2px; margin-bottom: 20px; font-family: var(--font-serif); }
.footer__links li { margin-bottom: 11px; }
.footer__links a { color: rgba(255, 255, 255, .62); }
.footer__links a:hover { color: var(--c-accent); padding-left: 4px; }
.footer__contact li { margin-bottom: 12px; display: flex; gap: 10px; align-items: flex-start; }
.footer__contact svg { width: 16px; height: 16px; flex: none; margin-top: 4px; color: var(--c-accent); opacity: .85; }
.footer__qr { text-align: center; }
.footer__qr img { width: 132px; height: 132px; object-fit: contain; background: #fff; padding: 8px; border-radius: 6px; margin: 0 auto 10px; }
.footer__qr span { font-size: 12.5px; }
.footer__bottom { border-top: 1px solid rgba(255, 255, 255, .1); padding: 22px 0; }
.footer__bottom-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13.5px; }
.footer__bottom a { color: rgba(255, 255, 255, .62); }
.footer__bottom a:hover { color: var(--c-accent); }

/* ---------- 17. 侧边浮动联系条 ---------- */
.side-tools { position: fixed; right: 18px; bottom: 90px; z-index: 90; display: flex; flex-direction: column; gap: 10px; }
.side-tool {
  width: 52px; height: 52px; border-radius: 50%; background: #fff; border: 1px solid var(--c-line);
  box-shadow: var(--shadow-sm); display: flex; align-items: center; justify-content: center;
  color: var(--c-primary); position: relative; transition: all .24s var(--ease);
}
.side-tool:hover { background: var(--c-primary); color: #fff; border-color: var(--c-primary); transform: translateY(-2px); }
.side-tool svg { width: 22px; height: 22px; }
.side-tool__tip {
  position: absolute; right: 62px; top: 50%; transform: translateY(-50%) translateX(6px);
  background: var(--c-primary-dark); color: #fff; font-size: 13px; padding: 7px 12px; border-radius: 4px;
  white-space: nowrap; opacity: 0; pointer-events: none; transition: all .24s var(--ease);
}
.side-tool:hover .side-tool__tip { opacity: 1; transform: translateY(-50%) translateX(0); }
/* 二维码浮层：图片是块级元素，必须显式给宽度并解除 max-width:100%，
   否则父级收缩宽度时图片会被压成一条细线（曾渲染成 10x108） */
.side-tool__tip img {
  display: block; width: 108px; height: 108px; max-width: none;
  padding: 5px; background: #fff; border-radius: 4px;
}

/* 返回顶部 */
.to-top {
  position: fixed; right: 18px; bottom: 26px; z-index: 90; width: 46px; height: 46px; border-radius: 50%;
  background: var(--c-primary); color: #fff; border: 0; display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .28s var(--ease); box-shadow: var(--shadow);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--c-primary-dark); }
.to-top svg { width: 20px; height: 20px; }

/* ---------- 18. 滚动出现动画 ---------- */
/* 仅在 JS 可用时隐藏初始状态，脚本失效时内容依然完整可见 */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- 19. 响应式 ---------- */
@media (max-width: 1180px) {
  .nav > li > a { padding: 0 11px; font-size: 15px; }
  .split { grid-template-columns: 1fr 320px; }
  .split--expert { grid-template-columns: minmax(0, 440px) 1fr; }
  .footer__main { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer__qr { grid-column: 1 / -1; text-align: left; }
  .footer__qr img { margin: 0 0 10px; }
}

@media (max-width: 980px) {
  :root { --header-h: 68px; }
  .logo img { max-height: 38px; max-width: calc(100vw - 120px); }
  .header__actions .btn { display: none; }
  .header__inner { flex-wrap: wrap; padding: 10px 0 0; row-gap: 0; }
  .nav {
    order: 3; flex: 0 0 100%; width: 100%; gap: 2px;
    overflow-x: auto; overflow-y: hidden; -webkit-overflow-scrolling: touch;
    scrollbar-width: none; border-top: 1px solid var(--c-line); margin-top: 8px;
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav > li { flex: none; }
  .nav > li > a { height: auto; padding: 11px 12px; line-height: 1.4; font-size: 14.5px; }
  .nav > li > a::after { display: none; }
  .nav__sub { display: none; }

  .about { grid-template-columns: 1fr; gap: 40px; }
  .about__media { order: -1; }
  .about__badge { right: 14px; bottom: 14px; padding: 12px 16px; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .split--expert > .about__media { margin-inline: auto; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .section { padding: 62px 0; }
}

@media (max-width: 680px) {
  body { font-size: 15px; }
  .container { width: calc(100% - 32px); }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: 1fr; }
  .pillar { min-height: 260px; }
  .about__features { grid-template-columns: 1fr; }
  .form__inline { grid-template-columns: 1fr; }
  .form { padding: 24px 20px; }
  .news-item { grid-template-columns: auto 1fr auto; gap: 12px 14px; padding: 18px 0; }
  .news-item__date { border-right: 0; padding-right: 0; }
  .news-item__summary { display: none; }
  .footer__main { grid-template-columns: 1fr; gap: 32px; padding: 44px 0 34px; }
  .footer__bottom-inner { flex-direction: column; text-align: center; align-items: center; }
  .article-nav { grid-template-columns: 1fr; }
  .article-nav .next { text-align: left; }
  .hero__slider { height: 66vh; max-height: 560px; }
  .hero__actions .btn { padding: 10px 20px; font-size: 14px; }
  .side-tools { right: 12px; bottom: 76px; }
  .side-tool { width: 46px; height: 46px; }
  .section-head__cn { letter-spacing: 3px; }
}