/* ============================================================
   余文军 · 徐燕霞  婚礼电子请柬
   中式红金 · 移动端优先
   ============================================================ */

:root{
  --red-950:#3E0709;
  --red-900:#5E0D12;
  --red-800:#7A1016;
  --red-700:#8E1B1E;
  --red-600:#A81E24;
  --seal:#C0272D;

  --gold-50:#FBF3D6;
  --gold-100:#F5E5B0;
  --gold-200:#E8CE8E;
  --gold-300:#D9B865;
  --gold-400:#C9A227;
  --gold-600:#A07C1C;
  --gold-800:#7A5C11;

  --rice:#F7EFE0;
  --rice-dim:rgba(247,239,224,.72);
  --rice-faint:rgba(247,239,224,.42);

  --line:rgba(201,162,39,.42);
  --line-soft:rgba(201,162,39,.22);

  --font-display:"Ma Shan Zheng","Noto Serif SC","STKaiti","Kaiti SC","KaiTi","楷体",serif;
  --font-serif:"Noto Serif SC","Songti SC","STSong","Source Han Serif SC","SimSun","宋体",serif;
  --font-seal:"Noto Serif SC","Songti SC","STSong","SimSun","宋体",serif;
  --font-num:"Cormorant Garamond","Times New Roman",Georgia,serif;

  --pad:26px;
  --gold-foil:linear-gradient(158deg,#FDF6DC 0%,#EBD287 16%,#C9A227 38%,#8F6E1A 52%,#F5E5B0 68%,#D9B865 84%,#9C7A1C 100%);
}

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

html{-webkit-text-size-adjust:100%}

body{
  font-family:var(--font-serif);
  background:#2C0507;
  color:var(--rice);
  min-height:100vh;
  overflow-x:hidden;
  position:relative;
}

/* 桌面端氛围底 */
@media (min-width:560px){
  body{
    background:
      radial-gradient(120% 70% at 50% 0%,rgba(201,162,39,.10) 0%,rgba(0,0,0,0) 60%),
      radial-gradient(90% 60% at 50% 100%,rgba(201,162,39,.07) 0%,rgba(0,0,0,0) 60%),
      #2C0507;
    display:flex;justify-content:center;
  }
}

/* ---------- 金箔粒子 ---------- */
#dust{
  position:fixed;inset:0;width:100%;height:100%;
  pointer-events:none;z-index:3;opacity:.9;
}

/* ============================================================
   页面容器
   ============================================================ */
.page{
  position:relative;
  width:100%;max-width:480px;margin:0 auto;
  background:
    radial-gradient(115% 55% at 50% -8%,#9E2226 0%,#7A1016 34%,#5E0D12 62%,#4A080C 100%);
  overflow:hidden;
  isolation:isolate;
  box-shadow:0 0 90px rgba(0,0,0,.6);
}
@media (min-width:560px){
  .page{border-left:1px solid rgba(201,162,39,.22);border-right:1px solid rgba(201,162,39,.22)}
}

/* 祥云暗纹 */
.page::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220' viewBox='0 0 220 220'%3E%3Cg fill='none' stroke='%23E8CE8E' stroke-width='1.4' stroke-linecap='round'%3E%3Cpath d='M62 74c0-11 9-20 20-20s20 9 20 20c8 2 14 10 14 19 0 11-9 20-20 20H62c-11 0-20-9-20-20 0-9 6-17 14-19z'/%3E%3Cpath d='M150 158c0-9 7-16 16-16s16 7 16 16c6 2 11 8 11 15 0 9-7 16-16 16h-38c-9 0-16-7-16-16 0-7 5-13 11-15z'/%3E%3Ccircle cx='40' cy='168' r='4'/%3E%3Ccircle cx='196' cy='58' r='5'/%3E%3C/g%3E%3C/svg%3E");
  background-size:300px 300px;
  opacity:.045;
}
/* 暗角 */
.page::after{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(120% 75% at 50% 42%,rgba(0,0,0,0) 42%,rgba(0,0,0,.45) 100%);
}

main{position:relative;z-index:2}

/* ============================================================
   通用：金字 / 分隔线 / 显隐动效
   ============================================================ */
.gold{
  background:var(--gold-foil);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:var(--gold-200);
}

.gold-rule{
  display:flex;align-items:center;justify-content:center;gap:12px;
  width:190px;margin:0 auto;
}
.gold-rule span{height:1px;flex:1;background:linear-gradient(90deg,rgba(201,162,39,0),rgba(201,162,39,.75),rgba(201,162,39,0))}
.gold-rule b{
  width:7px;height:7px;flex:none;display:block;font-size:0;line-height:0;
  transform:rotate(45deg);
  background:linear-gradient(135deg,#F5E5B0,#C9A227);
  box-shadow:0 0 8px rgba(201,162,39,.55);
}

/* 仅在脚本可用时才隐藏待显现元素，脚本失效时内容依然完整可读 */
.js .reveal{opacity:0;transform:translateY(20px);transition:opacity 1s cubic-bezier(.22,1,.36,1),transform 1s cubic-bezier(.22,1,.36,1)}
.js .reveal.is-in{opacity:1;transform:none}
/* 兜底：脚本未就绪时，跳过开屏直接完整呈现请柬 */
.js-safe #intro,.js-safe #musicBtn{display:none!important}
.js-safe .reveal{opacity:1!important;transform:none!important}
.js-safe .hero{min-height:auto!important}
.js-safe .intro{display:none!important}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
}

/* ============================================================
   开屏
   ============================================================ */
.intro{
  position:fixed;inset:0;z-index:60;
  background:radial-gradient(120% 70% at 50% 34%,#8E1B1E 0%,#5E0D12 48%,#3A0609 100%);
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.intro.is-gone{pointer-events:none}
.intro__hint{
  margin-top:18px;font-size:11px;letter-spacing:.24em;text-indent:.24em;
  color:rgba(232,206,142,.42);
}

.intro__veil{position:absolute;top:0;bottom:0;width:50.6%;z-index:2;
  background:linear-gradient(180deg,#4E0A0E,#8E1B1E 40%,#5E0D12);
  transition:transform 1.05s cubic-bezier(.7,0,.3,1) .22s;
}
.intro__veil--l{left:0;box-shadow:inset -1px 0 0 rgba(201,162,39,.32)}
.intro__veil--r{right:0;box-shadow:inset 1px 0 0 rgba(201,162,39,.32)}
.intro.is-open .intro__veil--l{transform:translateX(-101%)}
.intro.is-open .intro__veil--r{transform:translateX(101%)}

.intro__inner{
  position:relative;z-index:3;
  display:flex;flex-direction:column;align-items:center;
  padding:40px 24px;text-align:center;
  transition:opacity .5s ease,transform .8s cubic-bezier(.7,0,.3,1);
}
.intro.is-open .intro__inner{opacity:0;transform:translateY(-18px) scale(.97)}

.intro__frame{
  position:absolute;inset:-6px -14px;border:1px solid var(--line);
  border-radius:2px;
}
.intro__frame::after{content:"";position:absolute;inset:5px;border:1px solid var(--line-soft)}

.intro__eyebrow{
  font-size:12px;letter-spacing:.42em;text-indent:.42em;
  color:var(--rice-dim);margin-bottom:34px;
}

.intro__seal{
  width:118px;height:118px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(201,162,39,.55);
  position:relative;margin-bottom:30px;
}
.intro__seal::after{
  content:"";position:absolute;inset:7px;border-radius:50%;
  border:1px solid rgba(201,162,39,.3);
}
.intro__seal span{
  font-family:var(--font-seal);font-weight:600;
  font-size:62px;line-height:1;padding-bottom:8px;
  background:var(--gold-foil);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  filter:drop-shadow(0 0 14px rgba(201,162,39,.45));
}

.intro__names{
  font-family:var(--font-display);font-size:26px;letter-spacing:.12em;
  color:var(--gold-100);margin-bottom:12px;
}
.intro__names i{font-style:normal;color:var(--gold-400);margin:0 4px}

.intro__date{
  font-family:var(--font-num);font-size:15px;letter-spacing:.34em;text-indent:.34em;
  color:rgba(232,206,142,.8);margin-bottom:44px;
}

.intro__btn{
  appearance:none;border:1px solid rgba(201,162,39,.6);
  background:rgba(201,162,39,.07);
  color:var(--gold-100);font-family:var(--font-serif);
  font-size:14px;letter-spacing:.3em;text-indent:.3em;
  padding:13px 30px;border-radius:2px;cursor:pointer;
  position:relative;overflow:hidden;
  transition:background .35s ease,box-shadow .35s ease;
  animation:btnPulse 2.6s ease-in-out infinite;
}
.intro__btn:active{background:rgba(201,162,39,.2)}
@keyframes btnPulse{
  0%,100%{box-shadow:0 0 0 0 rgba(201,162,39,.28)}
  50%{box-shadow:0 0 0 9px rgba(201,162,39,0)}
}

/* ============================================================
   封面
   ============================================================ */
.hero{
  position:relative;
  min-height:100vh;min-height:100svh;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:76px var(--pad) 96px;
  text-align:center;
}
.hero__inner{position:relative;z-index:2;width:100%}

.hero__ornament{position:absolute;width:38px;height:38px;opacity:.6}
.hero__ornament::before,.hero__ornament::after{content:"";position:absolute;background:rgba(201,162,39,.6)}
.hero__ornament::before{width:100%;height:1px}
.hero__ornament::after{width:1px;height:100%}
.hero__ornament--tl{top:34px;left:20px}
.hero__ornament--tl::before{top:0;left:0}
.hero__ornament--tl::after{top:0;left:0}
.hero__ornament--tr{top:34px;right:20px}
.hero__ornament--tr::before{top:0;right:0}
.hero__ornament--tr::after{top:0;right:0}
.hero__ornament--bl{bottom:34px;left:20px}
.hero__ornament--bl::before{bottom:0;left:0}
.hero__ornament--bl::after{bottom:0;left:0}
.hero__ornament--br{bottom:34px;right:20px}
.hero__ornament--br::before{bottom:0;right:0}
.hero__ornament--br::after{bottom:0;right:0}

.hero__eyebrow{
  font-size:13px;letter-spacing:.62em;text-indent:.62em;
  color:rgba(232,206,142,.85);margin-bottom:26px;
}

.hero__seal{position:relative;display:inline-flex;align-items:center;justify-content:center;margin-bottom:8px}
.hero__Xi{
  font-family:var(--font-seal);font-weight:600;
  font-size:118px;line-height:1.12;
  background:var(--gold-foil);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  filter:drop-shadow(0 0 22px rgba(201,162,39,.42)) drop-shadow(0 2px 0 rgba(90,10,14,.5));
  display:block;
}

.hero__names{
  font-family:var(--font-display);font-weight:400;
  font-size:35px;letter-spacing:.1em;line-height:1.5;
  color:#FBF3D6;
  text-shadow:0 0 24px rgba(201,162,39,.3);
  margin:6px 0 22px;
}
.hero__names span{white-space:nowrap}
.hero__amp{font-style:normal;color:var(--gold-400);margin:0 8px;font-size:26px;vertical-align:2px}

.hero__date{
  font-family:var(--font-num);font-size:31px;font-weight:300;
  letter-spacing:.16em;text-indent:.16em;
  background:var(--gold-foil);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  margin:20px 0 12px;
}
.hero__lunar{font-size:13.5px;letter-spacing:.16em;color:var(--rice-dim);margin-bottom:10px}
.hero__place{font-size:12.5px;letter-spacing:.32em;text-indent:.32em;color:var(--rice-faint)}

.hero__scroll{
  position:absolute;bottom:30px;left:0;right:0;
  display:flex;flex-direction:column;align-items:center;gap:5px;
  font-size:11.5px;letter-spacing:.24em;color:rgba(232,206,142,.6);
}
.hero__scroll svg{animation:bob 2s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0);opacity:.55}50%{transform:translateY(5px);opacity:1}}

/* ============================================================
   区块通用
   ============================================================ */
.sec{
  position:relative;
  padding:56px var(--pad);
  text-align:center;
}
.sec--last{padding-bottom:78px}

.sec__title{
  font-family:var(--font-serif);font-weight:400;
  font-size:14px;letter-spacing:.44em;text-indent:.44em;
  color:rgba(232,206,142,.9);
  display:flex;align-items:center;justify-content:center;gap:14px;
  margin-bottom:30px;
}
.sec__title::before,.sec__title::after{
  content:"";width:26px;height:1px;
  background:linear-gradient(90deg,rgba(201,162,39,0),rgba(201,162,39,.7));
}
.sec__title::after{transform:scaleX(-1)}

/* ============================================================
   请柬正文
   ============================================================ */
.invite-card{
  position:relative;
  border:1px solid var(--line);
  padding:44px 22px 38px;
  background:linear-gradient(180deg,rgba(255,240,205,.05),rgba(255,240,205,.015));
}
.invite-card::after{content:"";position:absolute;inset:6px;border:1px solid var(--line-soft);pointer-events:none}

.corner{position:absolute;width:13px;height:13px;z-index:2}
.corner::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#F5E5B0,#C9A227);transform:rotate(45deg) scale(.42)}
.corner--tl{top:-6px;left:-6px}
.corner--tr{top:-6px;right:-6px}
.corner--bl{bottom:-6px;left:-6px}
.corner--br{bottom:-6px;right:-6px}

/* 结婚照 */
.photo{
  position:relative;
  width:82%;max-width:340px;margin:0 auto;
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,240,205,.05),rgba(255,240,205,.015));
  padding:10px;
}
.photo::after{content:"";position:absolute;inset:5px;border:1px solid var(--line-soft);pointer-events:none;z-index:2}
.photo img{display:block;width:100%;height:auto}
.photo__cap{
  font-family:var(--font-serif);font-weight:400;
  font-size:12px;letter-spacing:.3em;text-indent:.3em;
  color:rgba(232,206,142,.85);
  padding:14px 0 4px;text-align:center;
}

.invite-card__kicker{font-size:13px;letter-spacing:.58em;text-indent:.58em;color:rgba(232,206,142,.9);margin-bottom:24px}
.invite-card__date{
  font-family:var(--font-display);font-size:27px;line-height:1.5;
  color:#FBF3D6;letter-spacing:.06em;margin-bottom:8px;
  text-shadow:0 0 20px rgba(201,162,39,.28);
}
.invite-card__sub{font-size:13px;letter-spacing:.2em;color:var(--rice-dim);margin-bottom:26px}

.invite-card__divider{
  display:flex;align-items:center;justify-content:center;gap:12px;
  width:150px;margin:0 auto 26px;
}
.invite-card__divider span{height:1px;flex:1;background:linear-gradient(90deg,rgba(201,162,39,0),rgba(201,162,39,.6),rgba(201,162,39,0))}
.invite-card__divider b{
  font-family:var(--font-seal);font-weight:600;font-size:19px;
  color:var(--gold-300);line-height:1;
}

.invite-card__body{
  font-size:15.5px;line-height:2.5;letter-spacing:.1em;
  color:var(--rice);margin-bottom:22px;
}
.invite-card__foot{
  font-size:14px;letter-spacing:.24em;color:rgba(232,206,142,.92);
  padding-top:20px;border-top:1px solid var(--line-soft);
}

/* ============================================================
   新人
   ============================================================ */
.couple{display:flex;align-items:center;justify-content:center;gap:6px;margin-bottom:22px}

.couple__col{
  flex:1;display:flex;flex-direction:column;align-items:center;
  padding:20px 4px;
}
.couple__role{font-size:11.5px;letter-spacing:.4em;text-indent:.4em;color:rgba(232,206,142,.72);margin-bottom:16px}

.couple__name{
  font-family:var(--font-display);
  font-size:27px;line-height:1.18;letter-spacing:.06em;
  writing-mode:vertical-rl;text-orientation:upright;
  background:var(--gold-foil);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  filter:drop-shadow(0 0 12px rgba(201,162,39,.3));
}

.couple__mid{flex:none;display:flex;align-items:center;justify-content:center;padding:0 6px}
.couple__xi{
  font-family:var(--font-seal);font-weight:600;font-size:34px;line-height:1;
  color:rgba(201,162,39,.85);
  filter:drop-shadow(0 0 14px rgba(201,162,39,.4));
}

.couple__bless{font-size:13px;letter-spacing:.22em;color:var(--rice-dim)}

/* ============================================================
   时间地点
   ============================================================ */
.info{
  display:flex;gap:14px;text-align:left;
  border:1px solid var(--line-soft);
  padding:20px 18px;margin-bottom:14px;
  background:linear-gradient(140deg,rgba(255,240,205,.055),rgba(255,240,205,.015));
}
.info__icon{
  flex:none;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--gold-300);
}
.info__label{font-size:11px;letter-spacing:.32em;color:rgba(232,206,142,.7);margin-bottom:8px}
.info__main{font-size:17px;letter-spacing:.05em;color:#FBF3D6;line-height:1.5;margin-bottom:6px}
.info__sub{font-size:12.5px;line-height:1.75;color:var(--rice-faint);letter-spacing:.03em}

.actions{display:flex;gap:12px;margin-top:26px}
.btn{
  appearance:none;cursor:pointer;font-family:var(--font-serif);
  font-size:14px;letter-spacing:.16em;
  padding:14px 16px;border-radius:2px;
  display:flex;align-items:center;justify-content:center;gap:8px;
  transition:transform .2s ease,background .3s ease,box-shadow .3s ease;
  flex:1;
}
.btn:active{transform:scale(.975)}
.btn svg{flex:none}

.btn--primary{
  border:none;
  background:linear-gradient(135deg,#F3E0A8 0%,#D9B865 32%,#B8912E 62%,#EBD287 100%);
  color:#4A080C;font-weight:600;
  box-shadow:0 6px 22px rgba(201,162,39,.26);
}
.btn--ghost{
  border:1px solid rgba(201,162,39,.5);
  background:rgba(201,162,39,.06);
  color:var(--gold-100);
  flex:0 0 40%;
}
.actions__tip{font-size:11px;letter-spacing:.1em;color:rgba(247,239,224,.3);margin-top:14px}

/* ============================================================
   倒计时
   ============================================================ */
.count{display:flex;justify-content:center;gap:9px}
.count__cell{
  flex:1;max-width:84px;
  border:1px solid var(--line-soft);
  padding:14px 4px 11px;
  background:linear-gradient(180deg,rgba(255,240,205,.06),rgba(255,240,205,.012));
}
.count__cell b{
  display:block;font-family:var(--font-num);font-weight:400;
  font-size:29px;line-height:1.1;letter-spacing:.02em;
  background:var(--gold-foil);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.count__cell span{display:block;font-size:10.5px;letter-spacing:.22em;color:rgba(232,206,142,.6);margin-top:5px}
.count__tip{font-size:12px;letter-spacing:.26em;color:var(--rice-faint);margin-top:20px}

/* ============================================================
   寄语
   ============================================================ */
.ending{position:relative;padding-top:8px}
.ending__xi{
  font-family:var(--font-seal);font-weight:600;font-size:74px;line-height:1;display:block;margin-bottom:20px;
  background:var(--gold-foil);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  filter:drop-shadow(0 0 20px rgba(201,162,39,.4));
}
.ending__line{font-size:14.5px;letter-spacing:.2em;color:rgba(232,206,142,.92);margin-bottom:20px}
.ending__text{font-size:13px;line-height:2.3;color:var(--rice-dim);letter-spacing:.06em;margin-bottom:28px}
.ending__sign{font-family:var(--font-display);font-size:21px;letter-spacing:.08em;color:#FBF3D6;margin:22px 0 10px}
.ending__date{font-family:var(--font-num);font-size:14px;letter-spacing:.34em;text-indent:.34em;color:rgba(232,206,142,.75)}

/* ============================================================
   音乐按钮
   ============================================================ */
.music{
  position:fixed;z-index:40;
  right:18px;bottom:calc(20px + env(safe-area-inset-bottom,0px));
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(201,162,39,.55);
  background:rgba(74,8,12,.72);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  color:var(--gold-200);cursor:pointer;
  opacity:0;transform:scale(.8);pointer-events:none;
  transition:opacity .5s ease,transform .5s ease;
}
.music.is-ready{opacity:1;transform:none;pointer-events:auto}
.music__icon{width:19px;height:19px;position:relative;z-index:2}
.music__ring{
  position:absolute;inset:3px;border-radius:50%;
  border:1px dashed rgba(201,162,39,.5);
  opacity:0;transition:opacity .3s ease;
}
.music.is-playing .music__ring{opacity:1;animation:spin 7s linear infinite}
.music.is-playing{box-shadow:0 0 18px rgba(201,162,39,.3)}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============================================================
   Toast
   ============================================================ */
.toast{
  position:fixed;left:50%;bottom:88px;transform:translate(-50%,14px);
  z-index:70;pointer-events:none;
  background:rgba(44,5,7,.94);border:1px solid rgba(201,162,39,.45);
  color:var(--gold-100);font-size:13px;letter-spacing:.1em;
  padding:10px 20px;border-radius:2px;white-space:nowrap;
  opacity:0;transition:opacity .3s ease,transform .3s ease;
}
.toast.is-show{opacity:1;transform:translate(-50%,0)}

/* ============================================================
   小屏微调
   ============================================================ */
@media (max-width:340px){
  :root{--pad:20px}
  .hero__Xi{font-size:96px}
  .hero__names{font-size:30px}
  .btn--ghost{flex:0 0 38%}
}

/* 安全区 */
.sec:last-child{padding-bottom:calc(78px + env(safe-area-inset-bottom,0px))}