/* ============================================================
   homepage.css — 广东财经大学心理咨询中心 主样式
   设计风格：柔和自然·心灵疗愈  |  Soft Wellness Aesthetic
   ============================================================ */

/* ---------- 字体引入 ---------- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500&display=swap');

/* ---------- CSS 变量 ---------- */
:root {
  --color-primary:     #2d6e6e;
  --color-primary-dk:  #1e4f4f;
  --color-primary-lt:  #4a9494;
  --color-accent:      #d4845a;
  --color-accent-lt:   #f0b48a;
  --color-bg:          #f7f4ee;
  --color-bg-soft:     #efe9de;
  --color-surface:     #ffffff;
  --color-text:        #2c3030;
  --color-text-soft:   #5a6464;
  --color-text-muted:  #8a9898;
  --color-border:      #e0d8cc;

  --font-display:  'Noto Serif SC', 'STSong', serif;
  --font-body:     'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --shadow-sm:  0 2px 8px rgba(45,110,110,.08);
  --shadow-md:  0 6px 24px rgba(45,110,110,.12);
  --shadow-lg:  0 16px 48px rgba(45,110,110,.16);

  --transition: .35s cubic-bezier(.25,.8,.25,1);
  --nav-h: 70px;
}

/* ---------- 全局重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   导航栏
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(247,244,238,.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(247,244,238,.97);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

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

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary-dk);
  letter-spacing: .03em;
  flex-shrink: 0;
}
.logo img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

/* 导航菜单 */
.nav-menu {
  display: flex;
  gap: 4px;
  align-items: center;
}
.nav-menu a {
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-text-soft);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  position: relative;
  transition: color var(--transition), background var(--transition);
}
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%; right: 50%;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: left var(--transition), right var(--transition);
}
.nav-menu a:hover {
  color: var(--color-primary);
  background: rgba(45,110,110,.06);
}
.nav-menu a:hover::after,
.nav-menu a.active::after {
  left: 12px; right: 12px;
}
.nav-menu a.active {
  color: var(--color-primary);
  font-weight: 600;
}

/* 汉堡菜单（移动端） */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--color-primary);
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.menu-toggle:hover { background: rgba(45,110,110,.08); }

/* ============================================================
   Hero 横幅
   ============================================================ */
.hero {
  min-height: 100vh;
  padding-top: var(--nav-h);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--color-bg);
}

/* 动态背景装饰 */
.hero::before {
  content: '';
  position: absolute;
  top: -20%; right: -10%;
  width: 70vw; height: 90vh;
  background: radial-gradient(ellipse at 60% 40%,
    rgba(74,148,148,.18) 0%,
    rgba(45,110,110,.08) 40%,
    transparent 70%);
  border-radius: 50%;
  animation: heroBlobA 10s ease-in-out infinite alternate;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -10%; left: -5%;
  width: 50vw; height: 60vh;
  background: radial-gradient(ellipse at 30% 70%,
    rgba(212,132,90,.12) 0%,
    transparent 65%);
  border-radius: 50%;
  animation: heroBlobB 13s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes heroBlobA {
  from { transform: translate(0,0) scale(1); }
  to   { transform: translate(-3%,4%) scale(1.06); }
}
@keyframes heroBlobB {
  from { transform: translate(0,0) scale(1); }
  to   { transform: translate(2%,-5%) scale(1.08); }
}

/* 浮动粒子 */
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero-particles span {
  position: absolute;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0;
  animation: floatParticle linear infinite;
}

@keyframes floatParticle {
  0%   { transform: translateY(0) scale(0); opacity: 0; }
  10%  { opacity: .25; }
  90%  { opacity: .08; }
  100% { transform: translateY(-90vh) scale(1.5); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
  padding: 60px 0;
}

.hero-text h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  color: var(--color-primary-dk);
  line-height: 1.25;
  letter-spacing: .04em;
  /* 文字拆分动画由 JS 添加 */
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp .8s .2s forwards;
}

.hero-text p {
  font-size: 1.15rem;
  color: var(--color-text-soft);
  margin-top: 18px;
  letter-spacing: .02em;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp .8s .45s forwards;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  margin-top: 36px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp .8s .65s forwards;
}

/* 通用按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 13px 30px;
  border-radius: var(--radius-xl);
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 500;
  letter-spacing: .03em;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  border: none;
}
.btn:hover  { transform: translateY(-3px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 18px rgba(45,110,110,.35);
}
.btn-primary:hover {
  background: var(--color-primary-dk);
  box-shadow: 0 8px 28px rgba(45,110,110,.45);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-secondary:hover {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 18px rgba(45,110,110,.25);
}

/* Hero 图片侧 */
.hero-image {
  position: relative;
  opacity: 0;
  animation: fadeInRight .9s .5s forwards;
}
.hero-image::before {
  content: '';
  position: absolute;
  inset: -16px 16px 16px -16px;
  background: rgba(74,148,148,.12);
  border-radius: var(--radius-xl);
  z-index: 0;
}
.hero-image img {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-xl);
  width: 100%;
  height: 440px;
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}

/* 图片占位（无图时） */
.hero-image img[src="images/banner/hero.jpg"]:not([loaded]) {
  background: linear-gradient(135deg, rgba(74,148,148,.2), rgba(212,132,90,.1));
}

/* ============================================================
   通用 Section 样式
   ============================================================ */
section {
  padding: 90px 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--color-primary-dk);
  text-align: center;
  letter-spacing: .04em;
  position: relative;
  padding-bottom: 18px;
  margin-bottom: 48px;
}
/* h2 自动获得 section-title 样式 */
section > .container > h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--color-primary-dk);
  text-align: center;
  letter-spacing: .04em;
  position: relative;
  padding-bottom: 18px;
  margin-bottom: 52px;
}
section > .container > h2::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 48px; height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 3px;
}

/* 滚动动画基础类 */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-left  { opacity: 0; transform: translateX(-40px); transition: opacity .7s ease, transform .7s ease; }
.reveal-right { opacity: 0; transform: translateX(40px);  transition: opacity .7s ease, transform .7s ease; }
.reveal-left.visible,
.reveal-right.visible { opacity: 1; transform: none; }

/* ============================================================
   服务模块
   ============================================================ */
.services {
  background: var(--color-surface);
  position: relative;
}
.services::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-lt), var(--color-primary-lt));
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px 28px;
  text-align: center;
  cursor: default;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 68px; height: 68px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(74,148,148,.15), rgba(45,110,110,.08));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), transform var(--transition);
}
.service-card:hover .service-icon {
  background: linear-gradient(135deg, rgba(74,148,148,.28), rgba(45,110,110,.18));
  transform: scale(1.1) rotate(-4deg);
}
.service-icon img {
  width: 34px; height: 34px;
  object-fit: contain;
  filter: hue-rotate(0deg) saturate(1);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary-dk);
  margin-bottom: 10px;
  letter-spacing: .04em;
}
.service-card p {
  font-size: .9rem;
  color: var(--color-text-soft);
  line-height: 1.65;
  margin-bottom: 20px;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-primary);
  transition: gap var(--transition), color var(--transition);
}
.service-link:hover { gap: 10px; color: var(--color-primary-dk); }

/* ============================================================
   快速导航
   ============================================================ */
.quick-links {
  background: linear-gradient(160deg, var(--color-primary-dk) 0%, var(--color-primary) 60%, var(--color-primary-lt) 100%);
  position: relative;
  overflow: hidden;
}
.quick-links::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,.06) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}
.quick-links > .container > h2 {
  color: #fff !important;
}
.quick-links > .container > h2::after {
  background: linear-gradient(90deg, rgba(255,255,255,.8), var(--color-accent-lt)) !important;
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.link-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 32px 20px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  backdrop-filter: blur(4px);
}
.link-card:hover {
  background: rgba(255,255,255,.2);
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(0,0,0,.15);
}

.link-icon {
  font-size: 2.2rem;
  line-height: 1;
  transition: transform .4s cubic-bezier(.34,1.56,.64,1);
}
.link-card:hover .link-icon { transform: scale(1.2) rotate(-6deg); }

.link-text {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: .04em;
}

/* ============================================================
   最新资讯
   ============================================================ */
.news-preview {
  background: var(--color-bg);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.news-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.news-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform .6s ease;
}
.news-card:hover .news-image { transform: scale(1.05); }

/* 图片容器裁切 */
.news-card > .news-image {
  display: block;
  overflow: hidden;
}
/* 确保 overflow 裁切 */
.news-card { position: relative; }

.news-content {
  padding: 22px 24px 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-date {
  font-size: .78rem;
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: .06em;
  display: block;
  margin-bottom: 10px;
}

.news-content h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.45;
  margin-bottom: 10px;
  transition: color var(--transition);
}
.news-card:hover .news-content h3 { color: var(--color-primary); }

.news-content p {
  font-size: .875rem;
  color: var(--color-text-soft);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 18px;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-primary);
  align-self: flex-start;
  transition: gap var(--transition), color var(--transition);
}
.read-more:hover { gap: 10px; color: var(--color-primary-dk); }

/* ============================================================
   页脚
   ============================================================ */
.footer {
  background: var(--color-primary-dk);
  color: rgba(255,255,255,.8);
  padding: 64px 0 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  padding-bottom: 48px;
}

.footer-section h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: .06em;
  position: relative;
  padding-bottom: 12px;
}
.footer-section h3::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 24px; height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

.footer-section ul { display: flex; flex-direction: column; gap: 10px; }
.footer-section ul a {
  font-size: .875rem;
  color: rgba(255,255,255,.65);
  transition: color var(--transition), padding-left var(--transition);
}
.footer-section ul a:hover {
  color: #fff;
  padding-left: 6px;
}

.footer-section p {
  font-size: .875rem;
  color: rgba(255,255,255,.65);
  line-height: 2;
}
.footer-section p a { color: rgba(255,255,255,.65); transition: color var(--transition); }
.footer-section p a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 22px 0;
  text-align: center;
  font-size: .825rem;
  color: rgba(255,255,255,.4);
}

/* ============================================================
   关键帧动画
   ============================================================ */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes shimmer {
  from { background-position: -200% 0; }
  to   { background-position:  200% 0; }
}

/* 骨架屏（图片加载中） */
.img-loading {
  background: linear-gradient(90deg,
    var(--color-bg-soft) 25%,
    var(--color-border) 50%,
    var(--color-bg-soft) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.8s infinite;
}

/* ============================================================
   滚动进度条
   ============================================================ */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  z-index: 1001;
  width: 0%;
  transition: width .1s linear;
}

/* 回到顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 36px; right: 32px;
  width: 46px; height: 46px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
  z-index: 999;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--color-primary-dk);
  transform: translateY(-3px);
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .hero-image { max-width: 500px; margin: 0 auto; }
  .news-grid   { grid-template-columns: repeat(2, 1fr); }
  .footer-content { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --nav-h: 62px; }

  .nav-menu {
    display: none;
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(247,244,238,.97);
    backdrop-filter: blur(14px);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    animation: slideDown .3s ease;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 12px 16px; border-radius: var(--radius-sm); }

  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: none; }
  }

  .menu-toggle { display: flex; }

  .links-grid   { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: 1fr; gap: 16px; }

  section { padding: 64px 0; }
}

@media (max-width: 560px) {
  .news-grid    { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr; gap: 28px; }
  .hero-buttons { flex-direction: column; }
  .btn { justify-content: center; }
}