/* ============================================================
   Keeppush · 胶片里的我们
   Design tokens
   ============================================================ */
:root{
  --paper:#f7f1e6;
  --paper-2:#efe3d0;
  --paper-3:#e6d7c1;
  --ink:#241a17;
  --ink-soft:#5d4b42;
  --ink-faint:#8a7468;
  --wine:#7d2b34;
  --wine-deep:#4f1a21;
  --gold:#b08637;
  --gold-soft:#d8bd86;
  --sage:#6c7c68;
  --line:rgba(36,26,23,.14);
  --line-strong:rgba(36,26,23,.26);
  --shadow:0 24px 60px -28px rgba(50,28,20,.45);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",Georgia,serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  --max:1180px;
  --r:2px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;min-width:320px;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(1100px 620px at 12% -8%,rgba(216,189,134,.34),transparent 62%),
    radial-gradient(900px 520px at 96% 4%,rgba(125,43,52,.10),transparent 60%),
    radial-gradient(800px 600px at 50% 108%,rgba(108,124,104,.10),transparent 65%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.5;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='180' height='180' filter='url(%23n)' opacity='.28'/></svg>");
  mix-blend-mode:multiply;
}
main,header,footer{position:relative;z-index:2}
img{max-width:100%;display:block}
a{color:inherit}
button{font:inherit}
::selection{background:rgba(125,43,52,.18)}

.shell{width:min(var(--max),calc(100% - 48px));margin-inline:auto}
.narrow{width:min(760px,calc(100% - 48px));margin-inline:auto}

/* ---------- type ---------- */
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.22;letter-spacing:.01em;margin:0}
h1{font-size:clamp(2.6rem,6.4vw,5.2rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem)}
h3{font-size:1.18rem}
p{margin:0 0 1em}
.eyebrow{
  font-family:var(--sans);font-size:.7rem;letter-spacing:.34em;text-transform:uppercase;
  color:var(--gold);font-weight:600;display:flex;align-items:center;gap:.7em;
}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor;opacity:.55}
.lede{font-size:1.05rem;color:var(--ink-soft);max-width:56ch}
.muted{color:var(--ink-faint)}
.serif{font-family:var(--serif)}
.center{text-align:center}
.center .eyebrow{justify-content:center}
.center .eyebrow::before{display:none}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px) saturate(120%);
  background:linear-gradient(to bottom,rgba(247,241,230,.94),rgba(247,241,230,.78));
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:70px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand .mono{
  width:38px;height:38px;border:1px solid var(--line-strong);border-radius:50%;
  display:grid;place-items:center;font-family:var(--serif);font-size:.82rem;letter-spacing:.06em;
  color:var(--wine);background:rgba(255,255,255,.4);
}
.brand b{font-family:var(--serif);font-weight:600;font-size:1.02rem;letter-spacing:.16em}
.brand small{display:block;font-size:.6rem;letter-spacing:.3em;color:var(--ink-faint);text-transform:uppercase}
.navlinks{display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.navlinks a{
  text-decoration:none;font-size:.85rem;color:var(--ink-soft);padding:.5em .82em;border-radius:99px;
  position:relative;transition:color .25s,background .25s;
}
.navlinks a:hover{color:var(--wine);background:rgba(125,43,52,.06)}
.navlinks a[aria-current="page"]{color:var(--wine);font-weight:600}
.navlinks a[aria-current="page"]::after{
  content:"";position:absolute;left:50%;bottom:.18em;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--wine);
}
.nav-cta{display:flex;align-items:center;gap:10px}
.menu-btn{display:none;border:1px solid var(--line-strong);background:transparent;border-radius:99px;padding:.45em .9em;color:var(--ink);cursor:pointer}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  padding:.82em 1.5em;border-radius:99px;text-decoration:none;cursor:pointer;
  border:1px solid var(--line-strong);background:transparent;color:var(--ink);
  font-size:.9rem;letter-spacing:.04em;transition:transform .3s,background .3s,color .3s,box-shadow .3s;
}
.btn:hover{transform:translateY(-2px)}
.btn--solid{background:var(--wine);border-color:var(--wine);color:#fdf7ec;box-shadow:0 14px 30px -16px rgba(125,43,52,.9)}
.btn--solid:hover{background:var(--wine-deep);border-color:var(--wine-deep)}
.btn--ghost{background:rgba(255,255,255,.35)}
.btn--small{padding:.55em 1.05em;font-size:.8rem}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- hero ---------- */
.hero{padding:clamp(48px,8vw,96px) 0 40px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(28px,5vw,64px);align-items:center}
.hero h1{margin:.28em 0 .32em}
.hero h1 .name{display:block}
.hero h1 .amp{
  display:inline-flex;align-items:center;justify-content:center;
  width:.92em;height:.92em;margin:.06em .12em 0;border:1px solid var(--gold-soft);border-radius:50%;
  font-size:.52em;color:var(--wine);vertical-align:.12em;
  background:radial-gradient(circle at 30% 25%,#fff8ea,rgba(216,189,134,.28));
  box-shadow:inset 0 0 0 4px rgba(247,241,230,.7);
}
.hero .lede{margin-bottom:1.6em}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin:1.4em 0 1.8em}
.chip{
  display:inline-flex;align-items:center;gap:.5em;font-size:.76rem;letter-spacing:.06em;
  padding:.42em .85em;border:1px solid var(--line);border-radius:99px;color:var(--ink-soft);
  background:rgba(255,255,255,.42);
}
.chip i{width:5px;height:5px;border-radius:50%;background:var(--gold);display:inline-block}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}

/* arch photo frame */
.arch-wrap{position:relative;display:flex;justify-content:center}
.arch{
  position:relative;width:min(100%,420px);aspect-ratio:4/5;
  border-radius:220px 220px 4px 4px;
  padding:12px;background:linear-gradient(160deg,#fffaf0,#efe2cb 60%,#e2cfae);
  box-shadow:var(--shadow),inset 0 0 0 1px rgba(255,255,255,.7);
  transform:rotate(-1.4deg);
}
.arch::before{
  content:"";position:absolute;inset:12px;border-radius:210px 210px 2px 2px;
  border:1px solid rgba(36,26,23,.22);pointer-events:none;z-index:3;
}
.arch-inner{
  position:relative;height:100%;border-radius:210px 210px 2px 2px;overflow:hidden;
  background:
    radial-gradient(120% 80% at 50% 8%,rgba(255,244,220,.95),transparent 58%),
    radial-gradient(90% 70% at 78% 78%,rgba(125,43,52,.55),transparent 60%),
    linear-gradient(165deg,#c9a06a 0%,#a9705a 38%,#6d3b45 72%,#3a2230 100%);
}
.arch-art{
  position:absolute;inset:0;z-index:2;height:100%;width:100%;
  padding:26px 24px 92px;color:rgba(255,242,214,.66);
}
@media (max-width:720px){.arch-art{padding:22px 18px 84px}}
.arch-inner::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 30% 26%,rgba(255,236,200,.9) 0 2px,transparent 3px),
    radial-gradient(circle at 62% 18%,rgba(255,236,200,.75) 0 1.6px,transparent 2.6px),
    radial-gradient(circle at 78% 34%,rgba(255,236,200,.6) 0 1.4px,transparent 2.4px),
    radial-gradient(circle at 46% 46%,rgba(255,236,200,.5) 0 1.2px,transparent 2.2px);
  opacity:.9;
}
.arch-inner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(30,16,20,.72),rgba(30,16,20,.12) 46%,transparent 70%);
}
.arch-caption{
  position:absolute;left:0;right:0;bottom:22px;z-index:4;text-align:center;color:#f9efdc;
  font-family:var(--serif);letter-spacing:.24em;font-size:.82rem;
}
.arch-caption small{display:block;font-family:var(--sans);letter-spacing:.3em;font-size:.56rem;opacity:.75;margin-top:.5em}
.seal{
  position:absolute;right:-14px;bottom:56px;z-index:5;width:74px;height:74px;border-radius:50%;
  display:grid;place-items:center;text-align:center;
  background:rgba(125,43,52,.94);color:#fbe9cf;font-family:var(--serif);font-size:.66rem;line-height:1.35;
  letter-spacing:.14em;box-shadow:0 10px 26px -12px rgba(80,20,26,.9);
  transform:rotate(8deg);border:1px solid rgba(255,235,200,.35);
}
.hero-note{
  position:absolute;left:-26px;top:38px;z-index:5;writing-mode:vertical-rl;
  font-family:var(--serif);font-size:.72rem;letter-spacing:.4em;color:var(--ink-faint);
}

/* ---------- film strip ---------- */
.film{
  position:relative;margin:clamp(40px,6vw,72px) 0;
  background:#221a18;padding:18px 0;border-radius:4px;overflow:hidden;
  box-shadow:0 30px 60px -40px rgba(0,0,0,.7);
}
.film::before,.film::after{
  content:"";position:absolute;left:0;right:0;height:10px;
  background-image:radial-gradient(circle at 5px 5px,#f7f1e6 3px,transparent 3.5px);
  background-size:18px 10px;opacity:.55;
}
.film::before{top:3px}.film::after{bottom:3px}
.film-track{display:flex;gap:14px;padding:6px 18px;overflow-x:auto;scrollbar-width:none}
.film-track::-webkit-scrollbar{display:none}
.frame{
  flex:0 0 clamp(190px,26vw,280px);aspect-ratio:3/2;border-radius:2px;position:relative;overflow:hidden;
  background:linear-gradient(150deg,#d8b483,#a9705a 45%,#5c3340);
}
.frame:nth-child(2){background:linear-gradient(150deg,#e3cba1,#9c7c5f 40%,#4d4a3a)}
.frame:nth-child(3){background:linear-gradient(150deg,#cbb7a0,#8c5c56 45%,#3d2a33)}
.frame:nth-child(4){background:linear-gradient(150deg,#dcc9a8,#a58a63 45%,#4a3b31)}
.frame::after{
  content:attr(data-cap);position:absolute;left:10px;bottom:8px;color:#fdf3e2;
  font-size:.62rem;letter-spacing:.14em;text-shadow:0 1px 6px rgba(0,0,0,.5);
}
.frame span{
  position:absolute;inset:0;display:grid;place-items:center;color:rgba(255,248,235,.5);
  font-family:var(--serif);font-size:1.5rem;letter-spacing:.3em;
}

/* ---------- sections ---------- */
.section{padding:clamp(48px,7vw,86px) 0}
.section--tight{padding:clamp(30px,4vw,48px) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.section-head h2{margin-top:.24em}
.section-head p{max-width:46ch;margin:.5em 0 0;color:var(--ink-soft);font-size:.94rem}
.rule{display:flex;align-items:center;gap:14px;color:var(--gold);margin:0 0 26px}
.rule::before,.rule::after{content:"";height:1px;background:linear-gradient(to right,transparent,var(--gold-soft),transparent);flex:1}
.rule span{font-size:.6rem;letter-spacing:.4em}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.stat{
  position:relative;padding:26px 24px 22px;border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(180deg,rgba(255,252,246,.78),rgba(255,250,240,.4));
  overflow:hidden;
}
.stat::before{content:"";position:absolute;left:0;top:0;width:100%;height:2px;background:linear-gradient(to right,var(--wine),var(--gold-soft),transparent)}
.stat .k{font-size:.68rem;letter-spacing:.28em;color:var(--ink-faint);text-transform:uppercase}
.stat .v{
  font-family:var(--serif);font-size:clamp(2.2rem,4.6vw,3.4rem);line-height:1.1;margin:.18em 0 .06em;
  font-variant-numeric:tabular-nums;color:var(--wine);
}
.stat .v small{font-size:.32em;letter-spacing:.1em;color:var(--ink-soft);margin-left:.35em;font-family:var(--sans)}
.stat .s{font-size:.8rem;color:var(--ink-faint)}

/* ---------- cards / grids ---------- */
.grid{display:grid;gap:18px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{
  padding:26px;border:1px solid var(--line);border-radius:var(--r);
  background:rgba(255,252,246,.62);transition:transform .35s,box-shadow .35s,border-color .35s;
}
.card:hover{transform:translateY(-3px);box-shadow:0 22px 44px -34px rgba(60,30,20,.55);border-color:var(--line-strong)}
.card .num{font-family:var(--serif);font-size:.8rem;letter-spacing:.2em;color:var(--gold)}
.card h3{margin:.4em 0 .45em}
.card p{color:var(--ink-soft);font-size:.9rem;margin:0}
.card a{text-decoration:none}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:38px}
.timeline::before{
  content:"";position:absolute;left:9px;top:6px;bottom:6px;width:1px;
  background:linear-gradient(to bottom,transparent,var(--line-strong) 8%,var(--line-strong) 92%,transparent);
}
.tl-item{position:relative;padding:0 0 40px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:8px;width:9px;height:9px;border-radius:50%;
  background:var(--paper);border:1px solid var(--wine);box-shadow:0 0 0 4px rgba(247,241,230,1);
}
.tl-item.is-major::before{background:var(--wine);box-shadow:0 0 0 4px rgba(247,241,230,1),0 0 0 6px rgba(125,43,52,.16)}
.tl-date{font-family:var(--serif);font-size:.82rem;letter-spacing:.22em;color:var(--gold);margin-bottom:.3em}
.tl-item h3{margin-bottom:.35em}
.tl-item p{color:var(--ink-soft);font-size:.92rem;margin:0;max-width:62ch}
.tl-tag{display:inline-block;margin-top:.7em;font-size:.66rem;letter-spacing:.16em;color:var(--wine);border:1px solid rgba(125,43,52,.28);padding:.18em .6em;border-radius:99px}

/* ---------- album ---------- */
.album{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:20px}
.polaroid{
  background:#fffdf7;padding:10px 10px 40px;border:1px solid rgba(36,26,23,.1);
  box-shadow:0 16px 34px -26px rgba(50,30,20,.7);position:relative;
  transition:transform .4s,box-shadow .4s;
}
.polaroid:nth-child(3n+1){transform:rotate(-1.1deg)}
.polaroid:nth-child(3n+2){transform:rotate(.8deg)}
.polaroid:hover{transform:rotate(0) translateY(-4px);box-shadow:0 26px 46px -28px rgba(50,30,20,.75)}
.polaroid .ph{aspect-ratio:4/5;background:linear-gradient(150deg,#e6d3b4,#b58a6b 55%,#6b4a46);position:relative;overflow:hidden}
.polaroid .ph img{width:100%;height:100%;object-fit:cover}
.polaroid .cap{
  position:absolute;left:12px;right:12px;bottom:10px;font-family:var(--serif);font-size:.74rem;
  color:var(--ink-soft);letter-spacing:.04em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.polaroid .del{
  position:absolute;top:14px;right:14px;z-index:3;border:none;background:rgba(20,10,10,.55);color:#fff;
  width:24px;height:24px;border-radius:50%;cursor:pointer;line-height:1;display:none;
}
body.is-authed .polaroid .del{display:grid;place-items:center}
.album-empty{
  grid-column:1/-1;padding:44px 24px;text-align:center;border:1px dashed var(--line-strong);border-radius:var(--r);
  color:var(--ink-faint);font-size:.9rem;background:rgba(255,255,255,.28)
}

/* ---------- checklist ---------- */
.list{display:flex;flex-direction:column;gap:0}
.item{
  display:flex;align-items:flex-start;gap:14px;padding:16px 4px;border-bottom:1px solid var(--line);
}
.item:last-child{border-bottom:none}
.check{
  flex:0 0 auto;width:20px;height:20px;margin-top:3px;border:1px solid var(--line-strong);border-radius:50%;
  background:transparent;cursor:pointer;display:grid;place-items:center;color:transparent;font-size:.7rem;
  transition:background .25s,border-color .25s,color .25s;
}
.check:hover{border-color:var(--wine)}
.item.done .check{background:var(--wine);border-color:var(--wine);color:#fff}
.item.done .txt{text-decoration:line-through;color:var(--ink-faint)}
.item .txt{flex:1;font-size:.95rem}
.item .meta{font-size:.7rem;letter-spacing:.1em;color:var(--ink-faint);white-space:nowrap;margin-top:.25em}
.pri{display:inline-block;font-size:.62rem;letter-spacing:.14em;padding:.14em .5em;border-radius:99px;border:1px solid var(--line-strong);color:var(--ink-soft);margin-left:.6em}
.pri--high{border-color:rgba(125,43,52,.4);color:var(--wine)}

/* ---------- progress ---------- */
.goal{padding:22px 0;border-bottom:1px solid var(--line)}
.goal:last-child{border-bottom:none}
.goal-top{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:.5em}
.goal h3{font-size:1.05rem}
.goal .pct{font-family:var(--serif);color:var(--wine);font-variant-numeric:tabular-nums}
.goal p{font-size:.86rem;color:var(--ink-soft);margin:.2em 0 .8em}
.bar{height:3px;background:rgba(36,26,23,.1);border-radius:99px;overflow:hidden}
.bar span{display:block;height:100%;background:linear-gradient(to right,var(--wine),var(--gold));transition:width .8s cubic-bezier(.2,.8,.2,1)}

/* ---------- rules ---------- */
.rule-card{padding:22px 24px;border:1px solid var(--line);border-left:2px solid var(--gold-soft);background:rgba(255,252,246,.55);margin-bottom:14px}
.rule-card p{font-family:var(--serif);font-size:1.02rem;margin:0 0 .5em}
.rule-card .sign{font-size:.7rem;letter-spacing:.12em;color:var(--ink-faint)}
.rule-card .sign b{color:var(--sage);font-weight:600}

/* ---------- letter ---------- */
.envelope-wrap{display:flex;justify-content:center;padding:20px 0 10px}
.envelope{
  width:min(100%,520px);aspect-ratio:16/10;position:relative;cursor:pointer;border:none;background:transparent;padding:0;
  perspective:1200px;
}
.env-body{
  position:absolute;inset:0;background:linear-gradient(150deg,#fdf7ea,#eadcc4);
  border:1px solid rgba(36,26,23,.18);border-radius:3px;box-shadow:var(--shadow);
}
.env-flap{
  position:absolute;left:0;right:0;top:0;height:58%;
  background:linear-gradient(160deg,#f6ecd8,#e3d2b6);
  clip-path:polygon(0 0,100% 0,50% 100%);
  border-bottom:1px solid rgba(36,26,23,.12);
  transform-origin:top;transition:transform .8s cubic-bezier(.2,.8,.2,1);
}
.envelope:hover .env-flap{transform:rotateX(24deg)}
.env-seal{
  position:absolute;left:50%;top:52%;transform:translate(-50%,-50%);z-index:3;
  width:62px;height:62px;border-radius:50%;background:radial-gradient(circle at 34% 28%,#a33c46,#6d222b);
  color:#fbe9cf;display:grid;place-items:center;font-family:var(--serif);font-size:.62rem;letter-spacing:.12em;
  box-shadow:0 8px 20px -8px rgba(80,20,26,.8);transition:transform .6s;
}
.envelope:hover .env-seal{transform:translate(-50%,-50%) scale(1.06)}
.env-hint{position:absolute;left:0;right:0;bottom:16px;text-align:center;font-size:.7rem;letter-spacing:.24em;color:var(--ink-faint)}
.letter-paper{
  display:none;margin:28px auto 0;max-width:720px;padding:clamp(26px,5vw,52px);
  background:
    linear-gradient(180deg,rgba(255,253,247,.96),rgba(252,246,235,.96));
  border:1px solid rgba(36,26,23,.16);box-shadow:var(--shadow);position:relative;
}
.letter-paper::before{
  content:"";position:absolute;inset:12px;border:1px solid rgba(176,134,55,.28);pointer-events:none;
}
.letter-paper.open{display:block;animation:rise .8s cubic-bezier(.2,.8,.2,1)}
.letter-paper h3{font-size:1.5rem;margin-bottom:.8em;text-align:center;letter-spacing:.1em}
.letter-body{font-family:var(--serif);font-size:1.02rem;line-height:2.05;color:#3b2b25;white-space:pre-wrap}
.letter-sign{margin-top:1.8em;text-align:right;font-family:var(--serif);letter-spacing:.1em;color:var(--wine)}

/* ---------- forms / modal ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-size:.72rem;letter-spacing:.18em;color:var(--ink-faint);margin-bottom:.5em}
.input,.textarea,.select{
  width:100%;padding:.85em 1em;border:1px solid var(--line-strong);border-radius:2px;
  background:rgba(255,255,255,.6);font-family:var(--sans);font-size:.92rem;color:var(--ink);
  transition:border-color .25s,box-shadow .25s;
}
.input:focus,.textarea:focus,.select:focus{outline:none;border-color:var(--wine);box-shadow:0 0 0 3px rgba(125,43,52,.1)}
.textarea{min-height:130px;resize:vertical;line-height:1.8}
.hint{font-size:.72rem;color:var(--ink-faint);margin-top:.4em}

.modal{
  position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:20px;
  background:rgba(28,18,16,.55);backdrop-filter:blur(4px);
}
.modal.open{display:flex}
.modal-card{
  width:min(440px,100%);background:var(--paper);border:1px solid var(--line-strong);
  padding:32px;box-shadow:0 40px 90px -40px rgba(0,0,0,.6);position:relative;
}
.modal-card h3{margin-bottom:.4em}
.modal-card .close{position:absolute;right:12px;top:8px;border:none;background:transparent;font-size:1.4rem;cursor:pointer;color:var(--ink-faint)}
.form-msg{font-size:.78rem;min-height:1.4em;margin-top:.4em}
.form-msg.err{color:#a13030}
.form-msg.ok{color:var(--sage)}

/* ---------- page hero ---------- */
.page-hero{padding:clamp(40px,6vw,74px) 0 18px;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(2.1rem,4.6vw,3.6rem);margin:.18em 0 .3em}
.page-hero p{color:var(--ink-soft);max-width:60ch}

/* ---------- footer ---------- */
.site-foot{margin-top:clamp(40px,6vw,80px);padding:44px 0 38px;border-top:1px solid var(--line);background:rgba(239,227,208,.35)}
.foot-grid{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;flex-wrap:wrap}
.foot-brand{font-family:var(--serif);font-size:1.1rem;letter-spacing:.18em}
.foot-note{font-size:.76rem;color:var(--ink-faint);max-width:38ch;line-height:1.9}
.foot-links{display:flex;gap:18px;flex-wrap:wrap;font-size:.78rem}
.foot-links a{color:var(--ink-soft);text-decoration:none}
.foot-links a:hover{color:var(--wine)}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);z-index:200;
  background:rgba(36,26,23,.94);color:#f9f1e4;padding:.8em 1.3em;border-radius:99px;
  font-size:.82rem;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- misc ---------- */
.note{
  border-left:2px solid var(--gold-soft);padding:.2em 0 .2em 16px;color:var(--ink-soft);font-size:.86rem;
}
.kbd{font-family:ui-monospace,Consolas,monospace;font-size:.82em;background:rgba(36,26,23,.07);padding:.1em .4em;border-radius:3px}
.badge{display:inline-flex;align-items:center;gap:.4em;font-size:.68rem;letter-spacing:.12em;color:var(--sage);border:1px solid rgba(108,124,104,.4);padding:.2em .65em;border-radius:99px}
.badge::before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}
@keyframes rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .arch-wrap{order:-1}
  .arch{width:min(78%,340px)}
  .hero-note{display:none}
  .stats{grid-template-columns:1fr 1fr}
  .grid--3{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .shell,.narrow{width:calc(100% - 32px)}
  .nav{min-height:62px}
  .navlinks{
    position:fixed;left:0;right:0;top:62px;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(247,241,230,.98);border-bottom:1px solid var(--line);padding:8px 16px 16px;
    transform:translateY(-8px);opacity:0;pointer-events:none;transition:.25s;max-height:70vh;overflow:auto;
  }
  .navlinks.open{transform:none;opacity:1;pointer-events:auto}
  .navlinks a{padding:.8em .4em;border-bottom:1px solid var(--line);border-radius:0}
  .menu-btn{display:block}
  .nav-cta .btn{display:none}
  .stats{grid-template-columns:1fr}
  .grid--3,.grid--2{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .timeline{padding-left:30px}
  .tl-item::before{left:-26px}
  .arch{transform:none}
  .seal{right:-6px;width:62px;height:62px;font-size:.58rem}
  .letter-body{font-size:.96rem;line-height:1.95}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}


/* ---------- timeline tools / anniversary list ---------- */
.tl-tools{display:flex;gap:14px;margin-top:.9em}
.tl-tools button,.linkish{
  appearance:none;background:none;border:0;padding:0;cursor:pointer;
  font:inherit;font-size:.78rem;letter-spacing:.04em;color:var(--ink-faint);
  border-bottom:1px solid transparent;
}
.tl-tools button:hover,.linkish:hover{color:var(--wine);border-bottom-color:rgba(125,43,52,.4)}
.ann-list{display:flex;flex-direction:column;border-top:1px solid var(--line);margin-top:8px}
.ann-row{
  display:flex;justify-content:space-between;align-items:center;gap:18px;
  padding:16px 2px;border-bottom:1px solid var(--line);
}
.ann-right{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
.ann-days{
  font-family:var(--serif,Georgia,serif);font-variant-numeric:tabular-nums;
  color:var(--wine);font-size:1.05rem;white-space:nowrap;
}
@media (max-width:720px){
  .ann-row{align-items:flex-start;flex-direction:column;gap:8px}
  .ann-right{justify-content:flex-start;gap:12px}
}

/* ---------- 静态版模式提示 ---------- */
.mode-notice{background:rgba(125,43,52,.055);border-bottom:1px solid var(--line);color:var(--ink-soft);font-size:.76rem;line-height:1.6;text-align:center;padding:.5em 1.1em;letter-spacing:.01em}
.mode-notice[hidden]{display:none}
.mode-hint{margin-top:.5em}
.mode-hint[hidden]{display:none}