/* ===== 基础 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: #2c3e60;
  background: #fdfcf9;
  line-height: 1.8;
  overflow-x: hidden;
}

/* ===== 导航 ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 5vw;
  background: rgba(20, 24, 55, 0.35);
  backdrop-filter: blur(12px);
  transition: background .3s;
}

.navbar.solid {
  background: rgba(24, 30, 70, 0.92);
}

.logo {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  gap: 34px;
  list-style: none;
}

.nav-links a {
  color: rgba(255,255,255,.85);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  transition: color .2s;
}

.nav-links a:hover { color: #ffd86e; }

/* ===== 首屏 ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(180deg, #10153a 0%, #232a63 55%, #3b4a95 85%, #6f7fc4 100%);
  overflow: hidden;
}

#sky { position: absolute; inset: 0; width: 100%; height: 100%; }

.rain-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.rain-drop {
  position: absolute;
  top: -10%;
  width: 2px;
  height: 26px;
  background: linear-gradient(180deg, rgba(180,205,255,0), rgba(180,205,255,.65));
  border-radius: 2px;
  animation: rainFall linear infinite;
}

@keyframes rainFall {
  to { transform: translateY(115vh); }
}

.hero-content {
  position: relative;
  z-index: 2;
  color: #fff;
  padding: 0 20px;
}

.hero-sub {
  font-size: 15px;
  letter-spacing: 6px;
  color: rgba(255,255,255,.7);
  margin-bottom: 22px;
}

.hero-title {
  font-size: clamp(42px, 8vw, 84px);
  font-weight: 800;
  letter-spacing: 10px;
  line-height: 1.25;
  text-shadow: 0 4px 30px rgba(0,0,0,.35);
}

.hero-title.accent {
  background: linear-gradient(90deg, #ffd86e, #ff9db1, #9be7ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-desc {
  margin: 26px auto 34px;
  max-width: 560px;
  font-size: 16px;
  color: rgba(255,255,255,.82);
}

.btn {
  display: inline-block;
  padding: 13px 40px;
  border-radius: 999px;
  background: linear-gradient(90deg, #ffd86e, #ffb46e);
  color: #4a2d00;
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(255, 200, 100, .35);
  transition: transform .2s, box-shadow .2s;
}

.btn:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(255, 200, 100, .5); }

.scroll-hint {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.7);
  font-size: 22px;
  animation: bounce 1.6s infinite;
  z-index: 2;
}

@keyframes bounce {
  0%,100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 10px); }
}

/* ===== 通用板块 ===== */
.section {
  padding: 90px 6vw;
  max-width: 1100px;
  margin: 0 auto;
}

.section.alt {
  max-width: none;
  background: #f2f6ff;
}

.section-title {
  text-align: center;
  font-size: 32px;
  color: #1c2a5e;
  letter-spacing: 3px;
}

.section-sub {
  text-align: center;
  color: #8b93ad;
  margin: 10px 0 48px;
  font-size: 15px;
}

/* ===== 关于我 ===== */
.about-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 44px;
  align-items: start;
}

.avatar-card {
  background: linear-gradient(160deg, #ffffff, #eef3ff);
  border-radius: 24px;
  padding: 36px 24px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(60, 80, 160, .12);
}

.avatar {
  width: 110px;
  height: 110px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, #9be7ff, #cdb2ff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 58px;
  box-shadow: 0 6px 18px rgba(120, 130, 255, .3);
}

.avatar-card h3 { font-size: 22px; color: #1c2a5e; }
.avatar-card p { color: #7c85a5; font-size: 14px; }

.about-text p { margin-bottom: 14px; font-size: 16px; }

.tags { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 10px; }

.tag {
  background: #e8efff;
  color: #3d54b8;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 14px;
}

/* ===== 爱好 ===== */
.hobby-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 6vw;
}

.hobby-card {
  background: #fff;
  border-radius: 22px;
  padding: 30px 26px;
  box-shadow: 0 8px 26px rgba(60, 80, 160, .08);
  transition: transform .25s, box-shadow .25s;
}

.hobby-card:hover {
  transform: translateY(-8px) rotate(-0.5deg);
  box-shadow: 0 16px 36px rgba(60, 80, 160, .16);
}

.hobby-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.hobby-card h3 { color: #1c2a5e; margin-bottom: 8px; }
.hobby-card p { font-size: 14.5px; color: #66708f; }

/* ===== 作品 ===== */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.work-card {
  background: #fff;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 8px 26px rgba(60, 80, 160, .1);
  transition: transform .25s;
}

.work-card:hover { transform: translateY(-6px); }

.work-visual {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 52px;
  background: linear-gradient(135deg, #dfe8ff, #ffe8f0);
  overflow: hidden;
}

.work-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform .3s;
}

.work-card:hover .work-visual img { transform: scale(1.05); }

.work-card h3 {
  font-size: 17px;
  color: #1c2a5e;
  padding: 16px 20px 4px;
}

.work-card p {
  font-size: 14px;
  color: #7c85a5;
  padding: 0 20px 20px;
}

/* ===== 时间线 ===== */
.timeline {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 6vw;
}

.timeline::before {
  content: "";
  position: absolute;
  left: calc(6vw + 22px);
  top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, #9be7ff, #cdb2ff, #ffd86e);
  border-radius: 3px;
}

.timeline-item {
  position: relative;
  display: flex;
  gap: 22px;
  margin-bottom: 30px;
  align-items: flex-start;
}

.time-point {
  position: relative;
  z-index: 1;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid #cdb2ff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.time-card {
  flex: 1;
  background: #fff;
  border-radius: 18px;
  padding: 18px 22px;
  box-shadow: 0 6px 20px rgba(60, 80, 160, .08);
}

.time-card h3 { color: #1c2a5e; font-size: 17px; margin-bottom: 4px; }
.time-card p { font-size: 14.5px; color: #66708f; }

.time-card.future {
  background: linear-gradient(135deg, #1c2a5e, #3b4a95);
}

.time-card.future h3 { color: #ffd86e; }
.time-card.future p { color: rgba(255,255,255,.85); }

/* ===== 页脚 ===== */
.footer {
  background: linear-gradient(180deg, #232a63, #10153a);
  color: #fff;
  text-align: center;
  padding: 80px 20px 40px;
}

.quote-main {
  font-size: clamp(20px, 3.4vw, 30px);
  font-weight: 700;
  letter-spacing: 4px;
  line-height: 2;
}

.quote-by {
  margin: 18px 0 40px;
  color: rgba(255,255,255,.6);
  font-size: 14px;
  letter-spacing: 3px;
}

.footer-line {
  border-top: 1px solid rgba(255,255,255,.15);
  padding-top: 24px;
  font-size: 13px;
  color: rgba(255,255,255,.55);
}

/* ===== 滚动浮现动画 ===== */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .avatar-card { max-width: 320px; margin: 0 auto; }
}

@media (max-width: 760px) {
  /* 导航：纵向堆叠，紧凑排布 */
  .navbar {
    flex-direction: column;
    gap: 8px;
    padding: 10px 4vw;
  }
  .logo { font-size: 16px; }
  .nav-links {
    gap: 6px 22px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .nav-links a { font-size: 13px; }

  /* 首屏 */
  .hero { min-height: 100svh; }
  .hero-title { letter-spacing: 4px; font-size: clamp(34px, 10vw, 52px); }
  .hero-sub { letter-spacing: 3px; font-size: 13px; }
  .hero-desc { font-size: 14.5px; }
  .btn { padding: 11px 32px; font-size: 15px; }

  /* 板块 */
  .section { padding: 64px 5vw; }
  .section-title { font-size: 26px; }
  .section-sub { margin-bottom: 34px; }

  /* 爱好 & 作品卡片 */
  .hobby-grid { gap: 16px; }
  .hobby-card { padding: 22px 20px; }
  .works-grid { gap: 16px; }
  .work-visual { height: 210px; }
  .work-card h3 { font-size: 16px; }

  /* 时间线：竖线贴近头像，卡片留足空间 */
  .timeline { padding: 0 2vw; }
  .timeline::before { left: 24px; }
  .timeline-item { gap: 14px; }
  .time-point { width: 40px; height: 40px; font-size: 19px; }
  .time-card { padding: 14px 16px; }

  /* 页脚 */
  .footer { padding: 56px 16px 30px; }
  .quote-main { letter-spacing: 2px; }
}

@media (max-width: 420px) {
  .nav-links { display: none; }  /* 小屏隐藏菜单，保留 logo */
  .hero-title { letter-spacing: 2px; }
  .tags { gap: 8px; }
  .tag { font-size: 12.5px; padding: 5px 12px; }
  .work-visual { height: 180px; }
}