/* ============================================================
   缅怀页 · 寄托哀思
   设计语言：夜色莲塘 —— 深黛夜空 + 描金 + 烛暖
   ============================================================ */

:root {
  --ink-0: #070b14;
  --ink-1: #0d1524;
  --ink-2: #16213a;
  --gold: #d8b56a;
  --gold-bright: #f0d9a0;
  --gold-dim: #9a7f4a;
  --paper: #e9e2d0;
  --muted: #8b93a7;
  --candle: #ffb35c;
  --font-display: "Ma Shan Zheng Sub", "Ma Shan Zheng", "Kaiti SC", "STKaiti", "KaiTi", "Noto Serif SC", serif;
  --font-body: "Noto Serif SC", "Songti SC", "STSongti-SC", "SimSun", serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--paper);
  background:
    radial-gradient(120% 55% at 50% 0%, rgba(216, 181, 106, .10), transparent 60%),
    radial-gradient(90% 40% at 50% 78%, rgba(38, 66, 96, .35), transparent 70%),
    linear-gradient(180deg, var(--ink-0) 0%, var(--ink-1) 55%, #0a1220 100%);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.8;
  padding-bottom: env(safe-area-inset-bottom);
}

/* ---------- 氛围层 ---------- */

.sky { position: fixed; inset: 0; pointer-events: none; z-index: 0; }

.star, .firefly {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.star {
  background: #dfe7ff;
  animation: twinkle var(--tw, 4s) ease-in-out var(--twd, 0s) infinite;
}
.firefly {
  background: var(--gold-bright);
  box-shadow: 0 0 8px 2px rgba(240, 217, 160, .55);
  animation: drift var(--dd, 20s) ease-in-out var(--ddd, 0s) infinite alternate,
             twinkle 3s ease-in-out var(--twd, 0s) infinite;
}

@keyframes twinkle {
  0%, 100% { opacity: .15; }
  50% { opacity: .9; }
}
@keyframes drift {
  from { transform: translate(0, 0); }
  to   { transform: translate(var(--dx, 40px), var(--dy, -30px)); }
}

.grain {
  position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
}

main, header, section, footer { position: relative; z-index: 2; }

/* ---------- 入场动画 ---------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  animation: rise 1.1s cubic-bezier(.2, .7, .2, 1) var(--d, 0s) forwards;
}
@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 顶部 ---------- */

.hero {
  padding: 8vh 20px 24px;
  text-align: center;
}

.festival {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .45em;
  text-indent: .45em;
  color: var(--gold);
  border: 1px solid rgba(216, 181, 106, .35);
  border-radius: 999px;
  padding: 6px 16px;
  background: rgba(216, 181, 106, .06);
}

.photo-stage {
  position: relative;
  width: min(62vw, 240px);
  margin: 34px auto 30px;
}

.photo-frame {
  position: relative;
  border-radius: 999px 999px 14px 14px;
  padding: 9px;
  background: linear-gradient(160deg, rgba(240, 217, 160, .55), rgba(154, 127, 74, .25) 40%, rgba(240, 217, 160, .45));
  box-shadow:
    0 0 0 1px rgba(216, 181, 106, .25),
    0 18px 50px rgba(0, 0, 0, .6);
  animation: breathe 6s ease-in-out infinite;
}
.photo-frame::after { /* 内衬细金线 */
  content: "";
  position: absolute;
  inset: 15px;
  border: 1px solid rgba(240, 217, 160, .28);
  border-radius: 999px 999px 8px 8px;
  pointer-events: none;
}
.photo-frame img {
  display: block;
  width: 100%;
  aspect-ratio: 810 / 1322;
  object-fit: cover;
  border-radius: 999px 999px 8px 8px;
  filter: saturate(.92) contrast(1.02);
}
@keyframes breathe {
  0%, 100% { box-shadow: 0 0 0 1px rgba(216,181,106,.25), 0 18px 50px rgba(0,0,0,.6), 0 0 46px rgba(216,181,106,.10); }
  50%      { box-shadow: 0 0 0 1px rgba(216,181,106,.35), 0 18px 50px rgba(0,0,0,.6), 0 0 70px rgba(216,181,106,.20); }
}

.halo {
  position: absolute;
  inset: -34px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(255, 179, 92, .14), transparent 70%);
  filter: blur(6px);
  pointer-events: none;
  animation: breathe 6s ease-in-out infinite;
}

/* 蜡烛 */
.candle {
  position: absolute;
  bottom: -6px;
  font-size: 30px;
  z-index: 3;
  animation: candleFlicker 3.2s ease-in-out infinite;
}
.candle-l { left: -38px; }
.candle-r { right: -38px; animation-delay: 1.4s; }
.candle .flame {
  position: absolute;
  top: -10px; left: 50%;
  width: 10px; height: 16px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, #fff6d8 10%, var(--candle) 55%, rgba(255,120,40,.0) 100%);
  border-radius: 50% 50% 50% 50% / 62% 62% 38% 38%;
  filter: blur(1px);
  animation: flameDance 1.1s ease-in-out infinite alternate;
}
.candle-l .flame { animation-delay: .35s; }
@keyframes candleFlicker {
  0%, 100% { filter: brightness(1); transform: translateY(0); }
  50%      { filter: brightness(1.22); transform: translateY(-1px); }
}
@keyframes flameDance {
  from { transform: translateX(-50%) scale(1) rotate(-3deg); }
  to   { transform: translateX(-52%) scale(1.12) rotate(3deg); }
}

/* 香烟出发点 */
.smoke-spot { position: absolute; bottom: 0; left: 50%; width: 1px; height: 1px; }

.honorific {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: .6em;
  text-indent: .6em;
  color: var(--gold-dim);
  margin-bottom: 6px;
}

.name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.1rem, 9vw, 2.8rem);
  letter-spacing: .28em;
  text-indent: .28em;
  color: var(--gold-bright);
  text-shadow: 0 0 24px rgba(240, 217, 160, .35);
}

.dates {
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: .3em;
  text-indent: .3em;
  color: var(--muted);
}

.epithet {
  margin-top: 14px;
  font-size: 14px;
  letter-spacing: .35em;
  text-indent: .35em;
  color: rgba(233, 226, 208, .72);
}

/* ---------- 竖排诗 ---------- */

.poem {
  display: flex;
  flex-direction: row-reverse;
  justify-content: center;
  align-items: flex-start;
  gap: 18px;
  margin: 46px auto 10px;
  padding: 26px 18px;
  width: fit-content;
  position: relative;
}
.poem::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(216, 181, 106, .18);
  border-radius: 4px;
  background: rgba(216, 181, 106, .03);
}
.poem-line {
  writing-mode: vertical-rl;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: .35em;
  color: rgba(233, 226, 208, .9);
  line-height: 1.6;
}
.poem-seal {
  writing-mode: vertical-rl;
  align-self: center;
  font-size: 12px;
  letter-spacing: .25em;
  color: #e8c8c8;
  background: rgba(179, 58, 58, .55);
  border: 1px solid rgba(232, 200, 200, .5);
  border-radius: 3px;
  padding: 6px 3px;
}

/* ---------- 通用节标题 ---------- */

.sec-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 24px;
  letter-spacing: .3em;
  text-indent: .3em;
  text-align: center;
  color: var(--gold-bright);
}
.sec-sub {
  text-align: center;
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: .18em;
  margin: 6px 0 22px;
}

/* ---------- 供奉 ---------- */

.offerings { padding: 30px 18px 10px; }

.offer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}

.offer-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 13px 4px 10px;
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(216, 181, 106, .22);
  border-radius: 14px;
  color: var(--paper);
  font-family: var(--font-body);
  cursor: pointer;
  transition: transform .12s ease, box-shadow .3s ease, border-color .3s ease;
}
.offer-btn:active {
  transform: scale(.9);
  border-color: rgba(240, 217, 160, .7);
  box-shadow: 0 0 22px rgba(216, 181, 106, .28);
}
.offer-btn .oi { font-size: 27px; line-height: 1.2; filter: drop-shadow(0 2px 6px rgba(0,0,0,.5)); }
.offer-btn .ol { font-size: 12.5px; letter-spacing: .12em; }
.offer-btn .oc { font-size: 10.5px; color: var(--gold-dim); letter-spacing: .05em; }
.offer-btn.bumped { animation: bump .5s cubic-bezier(.2, 1.6, .4, 1); }
@keyframes bump {
  30% { transform: scale(1.12); border-color: var(--gold-bright); }
}

/* ---------- 河灯 ---------- */

.river { margin-top: 44px; }
.river-title {
  text-align: center;
  font-size: 12px;
  letter-spacing: .4em;
  text-indent: .4em;
  color: var(--gold-dim);
  margin-bottom: 12px;
}

.water {
  position: relative;
  height: 130px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(22, 33, 58, .5), rgba(7, 11, 20, .95) 85%),
    radial-gradient(60% 30% at 50% 110%, rgba(56, 92, 132, .35), transparent);
  border-top: 1px solid rgba(216, 181, 106, .12);
  border-bottom: 1px solid rgba(216, 181, 106, .12);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.lantern-track {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  animation: flow 36s linear infinite;
}
.lantern-track.slow { animation-duration: 58s; opacity: .6; filter: blur(.4px); }
@keyframes flow {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.w-lantern {
  position: absolute;
  bottom: var(--y, 26px);
  font-size: var(--s, 22px);
  filter: drop-shadow(0 0 10px rgba(255, 170, 80, .8));
  animation: bob 3.4s ease-in-out var(--bd, 0s) infinite alternate;
}
.w-lantern::after { /* 倒影 */
  content: "🏮";
  position: absolute;
  top: 100%;
  left: 0;
  transform: scaleY(-.55) skewX(6deg);
  opacity: .22;
  filter: blur(1.5px);
}
@keyframes bob {
  from { transform: translateY(0) rotate(-2deg); }
  to   { transform: translateY(-5px) rotate(2.5deg); }
}

/* ---------- 留言 ---------- */

.messages { padding: 46px 18px 10px; max-width: 560px; margin: 0 auto; }

.write-btn {
  display: block;
  margin: 0 auto 26px;
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: .25em;
  text-indent: .25em;
  color: var(--ink-0);
  background: linear-gradient(160deg, var(--gold-bright), var(--gold));
  border: none;
  border-radius: 999px;
  padding: 12px 34px;
  box-shadow: 0 6px 22px rgba(216, 181, 106, .3);
  cursor: pointer;
  transition: transform .12s ease;
}
.write-btn:active { transform: scale(.94); }

.msg-list { display: flex; flex-direction: column; gap: 14px; }

.msg-card {
  background: rgba(233, 226, 208, .045);
  border: 1px solid rgba(216, 181, 106, .14);
  border-left: 3px solid var(--gold-dim);
  border-radius: 4px 12px 12px 4px;
  padding: 14px 16px;
  animation: rise .7s cubic-bezier(.2, .7, .2, 1) both;
}
.msg-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 4px;
}
.msg-name {
  font-size: 13px;
  color: var(--gold);
  letter-spacing: .1em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.msg-time { font-size: 11px; color: var(--muted); flex-shrink: 0; }
.msg-text { font-size: 14.5px; color: rgba(233, 226, 208, .92); word-break: break-word; white-space: pre-wrap; }

.empty-hint {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .15em;
  padding: 26px 0 34px;
}

/* ---------- 页脚 ---------- */

.footer {
  text-align: center;
  padding: 56px 20px calc(48px + env(safe-area-inset-bottom));
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .25em;
}
.footer .lotus { width: 46px; opacity: .8; margin-bottom: 10px; }
.footer-sub { margin-top: 8px; font-size: 11px; letter-spacing: .4em; color: var(--gold-dim); }

/* ---------- 弹窗 ---------- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(4, 7, 13, .66);
  -webkit-backdrop-filter: blur(6px);
          backdrop-filter: blur(6px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .28s ease;
}
.modal-backdrop.open { opacity: 1; pointer-events: auto; }

.modal {
  width: min(100%, 560px);
  background: linear-gradient(180deg, #131c30, #0c1322);
  border: 1px solid rgba(216, 181, 106, .25);
  border-bottom: none;
  border-radius: 22px 22px 0 0;
  padding: 12px 22px calc(26px + env(safe-area-inset-bottom));
  transform: translateY(100%);
  transition: transform .32s cubic-bezier(.2, .8, .2, 1);
}
.modal-backdrop.open .modal { transform: translateY(0); }

.modal-grip {
  width: 40px; height: 4px;
  border-radius: 4px;
  background: rgba(216, 181, 106, .35);
  margin: 4px auto 14px;
}
.modal h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 19px;
  letter-spacing: .25em;
  text-indent: .25em;
  text-align: center;
  color: var(--gold-bright);
  margin-bottom: 16px;
}

.modal-input {
  width: 100%;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(216, 181, 106, .25);
  border-radius: 10px;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 14px;
  outline: none;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.modal-input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(216, 181, 106, .12);
}
.modal-area { min-height: 110px; resize: none; margin-top: 12px; line-height: 1.7; }

.modal-actions {
  display: flex;
  gap: 14px;
  margin-top: 18px;
}
.modal-actions button {
  flex: 1;
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: .3em;
  text-indent: .3em;
  padding: 12px 0;
  border-radius: 999px;
  cursor: pointer;
  transition: transform .12s ease, opacity .2s ease;
}
.modal-actions button:active { transform: scale(.95); }
.btn-ghost {
  background: transparent;
  border: 1px solid rgba(139, 147, 167, .5);
  color: var(--muted);
}
.btn-gold {
  background: linear-gradient(160deg, var(--gold-bright), var(--gold));
  border: none;
  color: var(--ink-0);
  font-weight: 600;
}
.btn-gold:disabled { opacity: .5; }

/* ---------- Toast ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 16vh;
  transform: translateX(-50%) translateY(12px);
  z-index: 60;
  background: rgba(12, 19, 34, .92);
  border: 1px solid rgba(216, 181, 106, .45);
  color: var(--gold-bright);
  font-size: 14px;
  letter-spacing: .15em;
  padding: 11px 22px;
  border-radius: 999px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, .5);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease, transform .3s ease;
  white-space: nowrap;
  max-width: 88vw;
  overflow: hidden;
  text-overflow: ellipsis;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- 供奉动效 ---------- */

.fx-layer { position: fixed; inset: 0; z-index: 40; pointer-events: none; overflow: hidden; }

.fly-emoji {
  position: fixed;
  left: var(--x);
  top: var(--y);
  font-size: var(--fs, 26px);
  filter: drop-shadow(0 0 8px rgba(240, 217, 160, .5));
  animation: flyUp var(--t, 2.2s) cubic-bezier(.25, .6, .3, 1) forwards;
}
@keyframes flyUp {
  0%   { transform: translate(0, 0) scale(.6) rotate(0deg); opacity: 0; }
  12%  { opacity: 1; }
  80%  { opacity: .9; }
  100% { transform: translate(var(--tx, 0px), -62vh) scale(1.25) rotate(var(--rot, 12deg)); opacity: 0; }
}

.smoke-wisp {
  position: fixed;
  width: 3px;
  height: 60px;
  left: var(--x);
  top: var(--y);
  background: linear-gradient(180deg, transparent, rgba(233, 226, 208, .5));
  border-radius: 999px;
  filter: blur(3px);
  animation: smokeRise var(--t, 3s) ease-out forwards;
}
@keyframes smokeRise {
  0%   { transform: translate(0, 0) scaleY(.3) scaleX(1); opacity: 0; }
  15%  { opacity: .8; }
  100% { transform: translate(var(--tx, 14px), -34vh) scaleY(1.6) scaleX(2.6); opacity: 0; }
}

.petal {
  position: fixed;
  top: -6vh;
  left: var(--x);
  font-size: var(--fs, 16px);
  animation: petalFall var(--t, 5s) linear forwards;
}
@keyframes petalFall {
  0%   { transform: translateY(0) translateX(0) rotate(0deg); opacity: 0; }
  8%   { opacity: .95; }
  100% { transform: translateY(108vh) translateX(var(--tx, 60px)) rotate(var(--rot, 300deg)); opacity: .7; }
}

.ring-pulse {
  position: fixed;
  left: var(--x); top: var(--y);
  width: 14px; height: 14px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  border: 1.5px solid rgba(240, 217, 160, .9);
  animation: ringPulse .9s ease-out forwards;
}
@keyframes ringPulse {
  from { transform: scale(1); opacity: 1; }
  to   { transform: scale(7); opacity: 0; }
}

/* 被供奉时相框的金光 */
.photo-frame.blessed { animation: bless 1.2s ease-out; }
@keyframes bless {
  30% { box-shadow: 0 0 0 2px rgba(240, 217, 160, .8), 0 18px 60px rgba(0,0,0,.6), 0 0 90px rgba(240, 217, 160, .45); }
}

@media (min-width: 600px) {
  .photo-stage { width: 250px; }
  .candle-l { left: -52px; }
  .candle-r { right: -52px; }
}