/* =========================================================
   邮你精彩 · 随手拍  —— 首页样式
   ========================================================= */
@property --ang { syntax: '<angle>'; inherits: false; initial-value: 0deg; }

:root {
  --g900: #073d22;
  --g800: #0a4f2c;
  --g700: #0f6b3a;
  --g500: #1f8f4e;
  --g300: #7cc79a;
  --mint: #e3f5ea;
  --mint2: #f4fbf6;
  --gold: #d6a42c;
  --gold2: #f2cf73;
  --gold3: #fff1c4;
  --ink: #17301f;
  --muted: #557063;
  --kai: "STKaiti", "KaiTi", "Kaiti SC", "楷体", "BiauKai", "Songti SC", "STSong", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --ease: cubic-bezier(.22, .9, .25, 1);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  color: var(--ink);
  background: linear-gradient(180deg, #dff2e6 0%, #eef8f1 38%, #f6fbf3 100%);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ---------------- 加载动画 ---------------- */
#loader {
  position: fixed; inset: 0; z-index: 100;
  display: grid; place-items: center;
  background: radial-gradient(ellipse at 50% 40%, #f7fcf8 0%, #dcefe3 70%, #cfe8d8 100%);
  transition: opacity .8s var(--ease), visibility .8s;
}
.loaded #loader { opacity: 0; visibility: hidden; }
.loader-inner { position: relative; width: 168px; height: 168px; display: grid; place-items: center; text-align: center; }
.enso { position: absolute; inset: 0; width: 100%; height: 100%; }
.enso path {
  fill: none; stroke: var(--g700); stroke-width: 6; stroke-linecap: round;
  stroke-dasharray: 1; stroke-dashoffset: 1;
  animation: draw 1.4s var(--ease) forwards;
  filter: drop-shadow(0 2px 2px rgba(15, 107, 58, .25));
}
.loader-text {
  font-family: var(--kai); font-weight: 700; font-size: 30px; letter-spacing: 4px;
  color: var(--g800); margin-top: -6px;
  opacity: 0; animation: fadeUp .8s .5s var(--ease) forwards;
}
.loader-sub {
  position: absolute; bottom: 42px; left: 0; right: 0;
  font-size: 12px; letter-spacing: 3px; color: var(--gold);
  opacity: 0; animation: fadeUp .8s .75s var(--ease) forwards;
}

/* ---------------- 背景 ---------------- */
.bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.bg-sun {
  position: absolute; right: -12vw; top: -14vw; width: 46vw; height: 46vw; min-width: 360px; min-height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 236, 170, .75) 0%, rgba(255, 228, 140, .25) 35%, rgba(255, 228, 140, 0) 68%);
  animation: breathe 7s ease-in-out infinite;
}
.bg-rays {
  position: absolute; right: -40vw; top: -60vw; width: 120vw; height: 120vw;
  background: repeating-conic-gradient(from 0deg, rgba(255, 233, 160, .16) 0deg 4deg, rgba(255, 233, 160, 0) 4deg 14deg);
  -webkit-mask: radial-gradient(circle, #000 0%, transparent 55%);
          mask: radial-gradient(circle, #000 0%, transparent 55%);
  animation: spin360 90s linear infinite;
}
.bg-hills { position: absolute; left: -4%; bottom: -2px; width: 108%; height: 38vh; min-height: 220px; }
.bg-hills .h1 { fill: #cfe9d9; }
.bg-hills .h2 { fill: #b9dfc8; opacity: .85; }
.bg-hills .h3 { fill: #a3d4b6; opacity: .75; }
#fx { position: fixed; inset: 0; z-index: 1; pointer-events: none; }

/* ---------------- 主体 ---------------- */
.page { position: relative; z-index: 2; min-height: 100vh; display: flex; flex-direction: column; }

/* Hero 海报 */
.hero { position: relative; width: 100%; max-width: 1680px; margin: 0 auto; overflow: hidden; }
.hero-media {
  position: relative;
  aspect-ratio: 1942 / 809;
  -webkit-mask: linear-gradient(180deg, #000 72%, transparent 100%);
          mask: linear-gradient(180deg, #000 72%, transparent 100%);
  will-change: transform;
}
.hero-par {
  position: absolute; inset: 0;
  transform: translate3d(var(--px, 0px), var(--py, 0px), 0) scale(1.06);
  transition: transform .3s linear;
}
.hero-media img { width: 100%; height: 100%; object-fit: cover; opacity: 0; }
.loaded .hero-media img { animation: heroIn 1.6s var(--ease) forwards; }
.hero-shine {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(105deg, transparent 38%, rgba(255, 248, 220, .55) 48%, rgba(255, 255, 255, 0) 58%);
  background-size: 250% 100%; background-position: 150% 0;
  mix-blend-mode: soft-light;
  animation: shine 6.5s 2s ease-in-out infinite;
}
@media (min-width: 1680px) {
  .hero { -webkit-mask: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
}

/* 选择区 */
.choose {
  position: relative; width: 100%; max-width: 1180px;
  margin: -4.5vw auto 0; padding: 0 20px 40px;
}
.sec-title { display: flex; align-items: center; justify-content: center; gap: 14px; }
.sec-title h2 {
  margin: 0; font-family: var(--kai); font-weight: 700;
  font-size: clamp(26px, 3.4vw, 40px); letter-spacing: .18em; padding-left: .18em;
  background: linear-gradient(180deg, var(--g700) 0%, var(--g900) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 2px 0 rgba(255, 255, 255, .8)) drop-shadow(0 6px 14px rgba(10, 79, 44, .18));
}
.laurel { width: 28px; height: 46px; flex: none; overflow: visible; }
.laurel.flip { transform: scaleX(-1); }
.laurel .stem { fill: none; stroke: var(--gold); stroke-width: 1.6; stroke-linecap: round; }
.laurel ellipse { fill: var(--gold); }
.sec-tip {
  margin: 10px 0 0; text-align: center; color: var(--muted); font-size: 15px; letter-spacing: .12em;
}
.sec-tip::before, .sec-tip::after {
  content: ""; display: inline-block; vertical-align: middle; width: 36px; height: 1px; margin: 0 12px;
  background: linear-gradient(90deg, transparent, var(--gold));
}
.sec-tip::after { background: linear-gradient(90deg, var(--gold), transparent); }

/* ---------------- 组别卡片 ---------------- */
.cards {
  margin-top: 34px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
  perspective: 1200px;
}
.card {
  --rx: 0deg; --ry: 0deg; --mx: 50%; --my: 50%; --lift: 0px;
  position: relative;
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 40px 26px 30px; min-height: 340px;
  border-radius: 24px;
  background:
    radial-gradient(120% 70% at 50% 0%, rgba(255, 255, 255, .95) 0%, rgba(255, 255, 255, .72) 60%, rgba(240, 250, 244, .8) 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, .9) inset,
    0 18px 40px -12px rgba(10, 79, 44, .28),
    0 4px 10px rgba(10, 79, 44, .06);
  transform-style: preserve-3d;
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)) translateY(var(--lift));
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
  cursor: pointer; outline: none;
}
.card-fx { position: absolute; inset: 0; border-radius: inherit; overflow: hidden; pointer-events: none; z-index: -1; }
.card.tilting { transition: transform .08s linear, box-shadow .5s var(--ease); }
.card:hover, .card:focus-visible {
  --lift: -8px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, .9) inset,
    0 34px 60px -18px rgba(10, 79, 44, .42),
    0 0 0 1px rgba(214, 164, 44, .25);
}
.card:focus-visible { box-shadow: 0 0 0 3px var(--gold2), 0 34px 60px -18px rgba(10, 79, 44, .42); }

/* 流光边框 */
.card-border {
  position: absolute; inset: 0; border-radius: inherit; padding: 1.6px; z-index: -1;
  background: conic-gradient(from var(--ang),
    rgba(214, 164, 44, 0) 0deg, var(--gold2) 50deg, var(--gold) 80deg, rgba(214, 164, 44, 0) 140deg,
    rgba(31, 143, 78, 0) 180deg, var(--g300) 240deg, rgba(31, 143, 78, 0) 320deg);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  opacity: .55; animation: angSpin 7s linear infinite;
  transition: opacity .4s;
}
.card:hover .card-border { opacity: 1; animation-duration: 2.8s; }

/* 跟随光斑 */
.card-glare {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx) var(--my), rgba(255, 233, 160, .45), rgba(255, 233, 160, 0) 45%);
  opacity: 0; transition: opacity .4s;
}
.card:hover .card-glare { opacity: 1; }

/* 水印大字 */
.card-mark {
  position: absolute; right: -10px; bottom: -40px;
  font-family: var(--kai); font-weight: 700; font-size: 210px; line-height: 1;
  color: rgba(15, 107, 58, .055);
  transform: rotate(-6deg);
  transition: transform .8s var(--ease), color .6s;
  pointer-events: none;
}
.card:hover .card-mark { transform: translate3d(-10px, -10px, 0) rotate(0deg) scale(1.05); color: rgba(15, 107, 58, .09); }

/* 序号 */
.card-num {
  position: absolute; left: 18px; top: 16px;
  width: 38px; height: 38px; display: grid; place-items: center;
  font-family: var(--kai); font-weight: 700; font-size: 18px; color: #fff;
  background: linear-gradient(135deg, #b8302a, #8f1d18);
  border-radius: 8px 3px 8px 3px;
  box-shadow: 0 4px 10px rgba(143, 29, 24, .3);
  transform: translateZ(30px) rotate(-4deg);
}

/* 图标 */
.card-icon {
  position: relative; width: 118px; height: 118px; border-radius: 50%;
  display: grid; place-items: center;
  background: radial-gradient(circle at 35% 30%, #2aa45e 0%, var(--g700) 55%, var(--g900) 100%);
  box-shadow:
    0 0 0 6px rgba(255, 255, 255, .85),
    0 0 0 7px rgba(214, 164, 44, .5),
    0 18px 30px -8px rgba(10, 79, 44, .55);
  transform: translateZ(50px);
  transition: transform .6s var(--ease);
}
.card-icon::after { /* 光环 */
  content: ""; position: absolute; inset: -16px; border-radius: 50%;
  border: 1px dashed rgba(214, 164, 44, .55);
  animation: spin360 18s linear infinite;
}
.card:hover .card-icon { transform: translateZ(70px) scale(1.06); }
.card-icon svg { width: 60px; height: 60px; overflow: visible; }
.card-icon .ln { fill: none; stroke: #fff; stroke-width: 3.2; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 1; stroke-dashoffset: 0; }
.card-icon .ln.gold { stroke: var(--gold2); }
.card-icon .fl { fill: #fff; }
.card-icon .fl.gold { fill: var(--gold2); }
.card:hover .card-icon .ln { animation: draw 1s var(--ease) both; }
.card:hover .card-icon .fl { animation: pop .6s .35s var(--ease) both; }

/* 文本 */
.card-body { display: flex; flex-direction: column; align-items: center; margin-top: 28px; transform: translateZ(36px); }
.card-name {
  font-family: var(--kai); font-weight: 700; font-size: 34px; letter-spacing: .2em; padding-left: .2em;
  color: var(--g800);
  text-shadow: 0 2px 0 #fff;
}
.card-en {
  margin-top: 4px; font-size: 11px; letter-spacing: .36em; padding-left: .36em;
  color: var(--gold); font-weight: 600;
}
.card-desc { margin-top: 12px; font-size: 14px; color: var(--muted); letter-spacing: .06em; }

/* 按钮 */
.card-btn {
  position: relative; overflow: hidden;
  margin-top: auto; transform: translateZ(40px);
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 30px; border-radius: 999px;
  font-size: 15px; font-weight: 600; letter-spacing: .12em; color: #fff;
  background: linear-gradient(135deg, var(--g500), var(--g800));
  box-shadow: 0 8px 18px -6px rgba(10, 79, 44, .55), inset 0 1px 0 rgba(255, 255, 255, .25);
  transition: gap .4s var(--ease), padding .4s var(--ease), box-shadow .4s;
}
.card-body + .card-btn { margin-top: 26px; }
.card-btn::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255, 241, 196, .6) 50%, transparent 70%);
  transform: translateX(-120%);
}
.card:hover .card-btn::before { animation: sweep 1.1s var(--ease); }
.card:hover .card-btn { gap: 14px; padding: 11px 34px; box-shadow: 0 10px 24px -6px rgba(214, 164, 44, .6), inset 0 0 0 1px rgba(242, 207, 115, .7); }
.card-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }

/* 未开放 */
.card.is-closed { cursor: not-allowed; }
.card.is-closed .card-icon { filter: grayscale(.7); opacity: .75; }
.card.is-closed .card-btn { background: linear-gradient(135deg, #a9b8af, #7f9387); box-shadow: none; }

/* 点击涟漪 */
.ripple {
  position: absolute; z-index: 5; width: 20px; height: 20px; margin: -10px 0 0 -10px; border-radius: 50%;
  background: radial-gradient(circle, rgba(214, 164, 44, .5), rgba(214, 164, 44, 0) 70%);
  pointer-events: none; animation: ripple .8s var(--ease) forwards;
}

/* ---------------- 活动说明 ---------------- */
.notice {
  margin: 40px auto 0; max-width: 860px; padding: 26px 30px;
  background: rgba(255, 255, 255, .72); border-radius: 18px;
  border: 1px solid rgba(214, 164, 44, .35);
  box-shadow: 0 12px 30px -16px rgba(10, 79, 44, .3);
}
.notice-title { text-align: center; margin-bottom: 14px; }
.notice-title span {
  display: inline-block; padding: 5px 24px; border-radius: 999px;
  font-family: var(--kai); font-weight: 700; font-size: 18px; letter-spacing: .2em; color: var(--gold3);
  background: linear-gradient(135deg, var(--g700), var(--g900));
}
.notice-body { font-size: 14px; line-height: 1.9; color: #3f5a4b; }

/* ---------------- 页脚 ---------------- */
.foot { margin-top: auto; padding: 26px 16px calc(22px + env(safe-area-inset-bottom)); text-align: center; }
.foot a {
  position: relative; font-size: 12px; letter-spacing: .1em; color: rgba(23, 48, 31, .55);
  transition: color .3s;
}
.foot a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 1px;
  background: var(--gold); transform: scaleX(0); transition: transform .4s var(--ease);
}
.foot a:hover { color: var(--g700); }
.foot a:hover::after { transform: scaleX(1); }

/* ---------------- 转场 ---------------- */
#transit {
  position: fixed; inset: 0; z-index: 90; display: grid; place-items: center;
  background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), #1a8a4b 0%, var(--g800) 45%, var(--g900) 100%);
  clip-path: circle(0 at var(--x, 50%) var(--y, 50%));
  transition: clip-path .85s cubic-bezier(.7, 0, .25, 1);
  pointer-events: none;
}
#transit.on { clip-path: circle(150vmax at var(--x, 50%) var(--y, 50%)); pointer-events: auto; }
.transit-inner { text-align: center; color: var(--gold3); opacity: 0; transform: translateY(12px); transition: all .5s .3s var(--ease); }
#transit.on .transit-inner { opacity: 1; transform: none; }
.transit-text { font-family: var(--kai); font-size: 26px; letter-spacing: .2em; margin-top: 10px; }
.transit-stroke { width: 180px; height: 20px; }
.transit-stroke path { fill: none; stroke: var(--gold2); stroke-width: 3; stroke-linecap: round; stroke-dasharray: 1; stroke-dashoffset: 1; }
#transit.on .transit-stroke path { animation: draw .9s .35s var(--ease) forwards; }

/* ---------------- 提示 ---------------- */
#toast {
  position: fixed; left: 50%; bottom: calc(40px + env(safe-area-inset-bottom)); z-index: 95;
  padding: 12px 22px; border-radius: 999px; max-width: calc(100% - 32px);
  font-size: 14px; letter-spacing: .06em; color: #fff;
  background: rgba(7, 61, 34, .92); box-shadow: 0 10px 30px rgba(7, 61, 34, .35);
  transform: translate(-50%, 20px); opacity: 0; pointer-events: none;
  transition: all .45s var(--ease);
}
#toast.show { transform: translate(-50%, 0); opacity: 1; }

/* ---------------- 进场 ---------------- */
.reveal { opacity: 0; transform: translateY(36px); }
.reveal.in { animation: revealIn .9s var(--d, 0s) var(--ease) forwards; }
.card.reveal.in { animation-name: cardIn; }

/* ---------------- 关键帧 ---------------- */
@keyframes draw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
@keyframes pop { 0% { transform: scale(0); transform-origin: center; transform-box: fill-box; } 70% { transform: scale(1.25); transform-box: fill-box; } 100% { transform: scale(1); transform-box: fill-box; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes breathe { 50% { transform: scale(1.08); opacity: .85; } }
@keyframes spin360 { to { transform: rotate(360deg); } }
@keyframes angSpin { to { --ang: 360deg; } }
@keyframes shine { 0% { background-position: 150% 0; } 45%, 100% { background-position: -60% 0; } }
@keyframes heroIn { from { opacity: 0; transform: scale(1.1); filter: blur(8px); } to { opacity: 1; transform: none; filter: none; } }
@keyframes revealIn { to { opacity: 1; transform: none; } }
@keyframes cardIn {
  from { opacity: 0; transform: perspective(900px) rotateX(18deg) translateY(60px) scale(.94); }
  to   { opacity: 1; transform: perspective(900px) rotateX(0) translateY(0) scale(1); }
}
@keyframes sweep { to { transform: translateX(120%); } }
@keyframes ripple { to { transform: scale(30); opacity: 0; } }

/* ---------------- 响应式 ---------------- */
@media (max-width: 900px) {
  .cards { gap: 18px; }
  .card { padding: 34px 16px 24px; min-height: 300px; }
  .card-icon { width: 96px; height: 96px; }
  .card-icon svg { width: 50px; height: 50px; }
  .card-name { font-size: 28px; }
}
@media (max-width: 680px) {
  .choose { margin-top: -6vw; padding: 0 16px 24px; }
  .sec-tip { font-size: 13px; }
  .sec-tip::before, .sec-tip::after { width: 20px; margin: 0 8px; }
  .cards { grid-template-columns: 1fr; gap: 16px; margin-top: 22px; }
  .card {
    flex-direction: row; align-items: center; text-align: left;
    min-height: 0; padding: 22px 18px 22px 22px; border-radius: 20px; gap: 18px;
  }
  .card-icon, .card-body, .card-btn, .card-body + .card-btn { transform: none; }
  .card:hover .card-icon { transform: scale(1.05); }
  .card-num { transform: rotate(-4deg); left: auto; right: 14px; top: 12px; width: 28px; height: 28px; font-size: 14px; }
  .card-icon { width: 74px; height: 74px; flex: none; box-shadow: 0 0 0 4px rgba(255,255,255,.85), 0 0 0 5px rgba(214,164,44,.5), 0 12px 20px -8px rgba(10,79,44,.55); }
  .card-icon::after { inset: -10px; }
  .card-icon svg { width: 40px; height: 40px; }
  .card-body { align-items: flex-start; margin-top: 0; flex: 1; min-width: 0; }
  .card-name { font-size: 26px; letter-spacing: .12em; padding-left: 0; }
  .card-en { letter-spacing: .24em; padding-left: 0; }
  .card-desc { margin-top: 6px; font-size: 13px; }
  .card-btn, .card-body + .card-btn {
    position: absolute; right: 16px; bottom: 16px; margin: 0;
    padding: 0; width: 40px; height: 40px; justify-content: center; font-size: 0; gap: 0;
  }
  .card:hover .card-btn { padding: 0; gap: 0; }
  .card.is-closed .card-btn { width: auto; padding: 0 14px; font-size: 12px; letter-spacing: .05em; }
  .card-mark { font-size: 150px; bottom: -30px; right: 40px; }
  .notice { margin-top: 28px; padding: 22px 18px; }
}
@media (max-width: 380px) {
  .card { gap: 14px; padding-left: 16px; }
  .card-icon { width: 64px; height: 64px; }
  .card-name { font-size: 23px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}