/* ============================================================
   Pixel Spin Party — 官网主样式
   视觉基准：游戏内「软萌贴纸相册 + 玩具街机 + 果冻按钮」
   布局骨架：桌面左侧固定 Dock，移动端底部 Tabbar（复刻游戏内导航）
   ============================================================ */

/* ---------------- 变量 ---------------- */
:root{
  --sky-1:#a9dcf7;
  --sky-2:#d3eeff;
  --sky-3:#eaf7ff;
  --grass-1:#bfe6b8;
  --grass-2:#9fd79a;

  --ink:#264a6d;
  --ink-2:#3d6389;
  --ink-soft:#7794b0;
  --line:#d9e9f5;

  --card:#ffffff;
  --card-2:#f3faff;
  --card-edge:#d5e7f4;

  --blue:#4a9de8;   --blue-d:#2f7dc4;
  --green:#5fc94e;  --green-d:#3a9c2e;
  --purple:#a37ce8; --purple-d:#7b55c0;
  --pink:#f58bb0;   --pink-d:#d4648e;
  --orange:#f5a623; --orange-d:#cf821a;
  --gold:#ffd24a;
  --red:#e04a3f;

  --dock-w:252px;
  --r-lg:26px;
  --r-md:18px;
  --r-sm:12px;

  --font-px:'Press Start 2P', ui-monospace, monospace;
  --font-round:'Baloo 2', 'Nunito', system-ui, sans-serif;
  --font-body:'Nunito', system-ui, -apple-system, 'Helvetica Neue', sans-serif;

  --shadow-card:0 4px 0 var(--card-edge), 0 14px 26px rgba(48,105,155,.13);
  --shadow-pop:0 8px 0 var(--card-edge), 0 22px 40px rgba(48,105,155,.20);
}

/* ---------------- 基础 ---------------- */
*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; scroll-padding-top:24px; }

body{
  margin:0;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background:var(--sky-2);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* height:auto 必须跟 max-width 成对出现，否则位图会被压宽不压高 */
img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--font-round); font-weight:800; line-height:1.15; margin:0; letter-spacing:.2px; }
p{ margin:0; }
ul,ol{ margin:0; padding:0; list-style:none; }
canvas{ display:block; image-rendering:pixelated; }

::selection{ background:var(--gold); color:var(--ink); }

/* ---------------- 背景层 ---------------- */
.sky{
  position:fixed; inset:0; z-index:-1; pointer-events:none;
  background:linear-gradient(180deg,var(--sky-1) 0%,var(--sky-2) 34%,var(--sky-3) 68%,#f2fbf1 100%);
}

/* 像素云：用硬阴影堆出方块云，绝不用圆角 */
.cloud{
  position:absolute; width:26px; height:26px; background:rgba(255,255,255,.92);
  box-shadow:
    26px 0 0 rgba(255,255,255,.92), 52px 0 0 rgba(255,255,255,.92),
    78px 0 0 rgba(255,255,255,.92), 26px -26px 0 rgba(255,255,255,.92),
    52px -26px 0 rgba(255,255,255,.92), 52px -52px 0 rgba(255,255,255,.78),
    -26px 0 0 rgba(255,255,255,.78);
  opacity:.75;
  animation:drift 46s linear infinite;
}
.cloud--a{ top:9%;  left:-8%;  transform:scale(1.25); }
.cloud--b{ top:26%; left:-20%; transform:scale(.85); animation-duration:64s; animation-delay:-18s; }
.cloud--c{ top:56%; left:-14%; transform:scale(1.05); animation-duration:78s; animation-delay:-40s; opacity:.5; }

@keyframes drift{ to{ left:120%; } }

/* 飘落的像素小方块 */
.motes{ position:absolute; inset:0; overflow:hidden; }
.mote{
  position:absolute; top:-24px; width:var(--s); height:var(--s);
  background:var(--c); opacity:.55;
  animation:fall var(--d) linear infinite; animation-delay:var(--delay);
}
@keyframes fall{
  0%  { transform:translateY(-5vh) rotate(0deg); opacity:0; }
  8%  { opacity:.6; }
  92% { opacity:.6; }
  100%{ transform:translateY(108vh) rotate(180deg); opacity:0; }
}

/* 底部像素草地 */
.grass{
  position:absolute; left:0; right:0; bottom:0; height:120px;
  background:
    linear-gradient(180deg,rgba(191,230,184,0) 0%,var(--grass-1) 46%,var(--grass-2) 100%);
}
.grass::before{
  content:''; position:absolute; left:0; right:0; top:36px; height:14px;
  background:
    repeating-linear-gradient(90deg,
      rgba(255,255,255,.5) 0 14px, transparent 14px 28px);
  opacity:.5;
}

/* ---------------- 左侧 DOCK（桌面） ---------------- */
.dock{
  position:fixed; top:0; left:0; bottom:0; width:var(--dock-w); z-index:40;
  display:flex; flex-direction:column; gap:18px;
  padding:26px 18px;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-right:3px solid rgba(255,255,255,.9);
  box-shadow:6px 0 24px rgba(48,105,155,.12);
}

.dock__brand{ display:flex; align-items:center; gap:12px; padding:2px 8px 14px; border-bottom:2px dashed var(--line); }
.dock__logo{ flex:none; }
.dock__brandtext{
  font-family:var(--font-px); font-size:11px; line-height:1.55; color:var(--ink);
  text-shadow:0 2px 0 rgba(255,255,255,.9);
}

.dock__nav{ display:flex; flex-direction:column; gap:4px; }
.dock__link{
  display:flex; align-items:center; gap:12px;
  padding:10px 12px; border-radius:14px;
  font-family:var(--font-round); font-weight:700; font-size:16px; color:var(--ink-2);
  transition:background .18s, color .18s, transform .18s;
}
/* 各精灵行数不同，固定盒子高度居中，否则图标高的那项会把文字挤歪 */
.dock__ico{ display:flex; flex:none; width:40px; height:44px; align-items:center; justify-content:center; filter:saturate(.65) opacity(.75); transition:filter .18s; }
.dock__link:hover{ background:var(--card-2); transform:translateX(3px); }
.dock__link:hover .dock__ico{ filter:none; }
.dock__link.is-active{ background:#e6f4ff; color:var(--blue-d); box-shadow:inset 0 0 0 2px #c8e6fb; }
.dock__link.is-active .dock__ico{ filter:none; }

.dock__foot{ margin-top:auto; display:flex; flex-direction:column; gap:14px; }
.dock__cta{ width:100%; justify-content:center; }
.dock__legal{ display:flex; flex-wrap:wrap; gap:4px 12px; padding:0 6px; font-size:13px; color:var(--ink-soft); }
.dock__legal a{ border-bottom:2px dotted var(--line); }
.dock__legal a:hover{ color:var(--blue-d); border-color:var(--blue); }

/* ---------------- 底部 TABBAR（移动，复刻游戏内导航） ---------------- */
.tabbar{
  display:none;
  position:fixed; left:10px; right:10px; bottom:calc(10px + env(safe-area-inset-bottom)); z-index:50;
  padding:8px 6px;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-radius:24px;
  box-shadow:0 4px 0 rgba(213,231,244,.9), 0 12px 28px rgba(48,105,155,.24);
}
.tab{
  flex:1; display:flex; flex-direction:column; align-items:center; gap:3px;
  padding:6px 2px; border-radius:16px;
  font-family:var(--font-round); font-weight:700; font-size:12px; color:var(--ink-soft);
  transition:background .18s, color .18s;
}
.tab__ico{ display:flex; align-items:center; justify-content:center; height:44px; filter:saturate(.55) opacity(.6); transition:filter .18s; }
.tab.is-active{ background:#e6f4ff; color:var(--blue-d); }
.tab.is-active .tab__ico{ filter:none; }

/* ---------------- 果冻按钮 ---------------- */
.jbtn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:13px 26px; border:none; cursor:pointer;
  font-family:var(--font-round); font-weight:800; font-size:17px; letter-spacing:.4px;
  color:#fff; border-radius:999px;
  text-shadow:0 2px 0 rgba(0,0,0,.16);
  transition:transform .12s ease, box-shadow .12s ease, filter .18s;
}
.jbtn--lg{ padding:16px 34px; font-size:19px; }
.jbtn--green{ background:linear-gradient(180deg,#7ade68,var(--green)); box-shadow:0 6px 0 var(--green-d), 0 12px 20px rgba(58,156,46,.32); }
.jbtn--blue { background:linear-gradient(180deg,#6fb6f2,var(--blue));  box-shadow:0 6px 0 var(--blue-d),  0 12px 20px rgba(47,125,196,.32); }
.jbtn:hover{ filter:brightness(1.05); transform:translateY(-2px); }
.jbtn:active{ transform:translateY(4px); box-shadow:0 2px 0 rgba(0,0,0,.2); }

/* ---------------- 页面容器 ---------------- */
.page{ margin-left:var(--dock-w); }

.sec{
  max-width:1080px; margin:0 auto;
  padding:96px 40px;
}
.sec--wide{ max-width:1320px; }
.sec--tint{
  max-width:none; margin:0; padding-left:40px; padding-right:40px;
  background:linear-gradient(180deg,rgba(255,255,255,0),rgba(255,255,255,.62) 12%,rgba(255,255,255,.62) 88%,rgba(255,255,255,0));
}
.sec--tint > *{ max-width:1080px; margin-left:auto; margin-right:auto; }

.sec__head{ max-width:640px; margin-bottom:52px; }
.sec__tag{
  display:inline-block; margin-bottom:16px; padding:7px 14px;
  font-family:var(--font-px); font-size:10px; line-height:1; color:var(--blue-d);
  background:#fff; border-radius:999px;
  box-shadow:0 3px 0 var(--card-edge);
}
.sec__title{ font-size:clamp(30px,4.1vw,44px); margin-bottom:14px; }
.sec__sub{ font-size:17px; color:var(--ink-2); }

.eyebrow{
  display:inline-flex; align-items:center; gap:9px; margin-bottom:22px;
  font-family:var(--font-px); font-size:10px; line-height:1; color:var(--ink-2);
}
.eyebrow__dot{ width:10px; height:10px; background:var(--pink); box-shadow:0 2px 0 var(--pink-d); }

/* ---------------- HERO ---------------- */
.hero{
  display:grid; grid-template-columns:1.06fr .94fr; gap:56px; align-items:center;
  max-width:1180px; margin:0 auto;
  padding:76px 40px 92px;
  min-height:100vh;
}

/* 像素积木 LOGO：Press Start 2P + 多层硬阴影堆出积木厚度 */
.logo{ margin:0 0 26px; font-family:var(--font-px); line-height:1; }
.logo__row{
  display:block; font-size:clamp(30px,5.4vw,58px); letter-spacing:2px;
  -webkit-text-stroke:4px #fff; paint-order:stroke fill;
}
.logo__row + .logo__row{ margin-top:14px; }
.logo__row--blue{ color:#3f93e0; text-shadow:0 5px 0 #2569a8, 0 9px 0 rgba(37,105,168,.35); margin-left:0; }
.logo__row--gold{ color:#f7b71f; text-shadow:0 5px 0 #c8830c, 0 9px 0 rgba(200,131,12,.35); margin-left:clamp(10px,3vw,42px); }
.logo__row--pink{ color:#ef7ba6; text-shadow:0 5px 0 #c24f7c, 0 9px 0 rgba(194,79,124,.35); margin-left:clamp(20px,6vw,84px); }

.lede{ max-width:520px; font-size:18px; color:var(--ink-2); }
.lede b{ color:var(--ink); background:linear-gradient(180deg,transparent 62%,var(--gold) 62%); padding:0 3px; }

.hero__actions{ display:flex; flex-wrap:wrap; gap:14px; margin:32px 0 30px; }

.chips{ display:flex; flex-wrap:wrap; gap:12px; }
.chip{
  display:flex; align-items:center; gap:9px;
  padding:9px 16px 9px 12px; background:#fff; border-radius:999px;
  font-family:var(--font-round); font-weight:700; font-size:15px; color:var(--ink-2);
  box-shadow:0 3px 0 var(--card-edge), 0 8px 16px rgba(48,105,155,.10);
}
.chip b{ font-size:19px; color:var(--ink); }
.chip span{ display:flex; }

/* 机身 mockup */
.hero__stage{ position:relative; display:flex; justify-content:center; }
.phone{
  position:relative; padding:10px;
  background:linear-gradient(160deg,#41506b,#242c3b);
  border-radius:34px;
  box-shadow:
    inset 0 0 0 2px rgba(255,255,255,.16),
    0 10px 0 rgba(28,36,50,.4),
    0 26px 46px rgba(38,74,109,.34);
}
.phone img{ border-radius:25px; }
.phone__notch{
  position:absolute; z-index:2; top:19px; left:50%; transform:translateX(-50%);
  width:66px; height:7px; border-radius:99px; background:#141922;
}
.phone--hero{
  width:min(330px,86%);
  transform:rotate(-3.2deg);
  animation:bob 6.5s ease-in-out infinite;
}
@keyframes bob{ 0%,100%{ transform:rotate(-3.2deg) translateY(0); } 50%{ transform:rotate(-3.2deg) translateY(-14px); } }

.hero__sticker{ position:absolute; filter:drop-shadow(0 6px 10px rgba(48,105,155,.28)); }
.hero__sticker--fox  { top:6%;  right:-2%;  animation:bob 7.4s ease-in-out infinite; }
.hero__sticker--apple{ bottom:16%; left:-4%; animation:bob 8.2s ease-in-out .8s infinite; }
.hero__sticker--star { bottom:2%; right:8%;  animation:bob 6s ease-in-out .4s infinite; }

/* ---------------- 六色反光条 ---------------- */
.strip{ display:flex; height:22px; overflow:hidden; }
.strip span{
  flex:1; background:var(--c);
  box-shadow:inset 0 5px 0 rgba(255,255,255,.4), inset 0 -5px 0 rgba(0,0,0,.16);
}

/* ---------------- HOW：四格分镜 ---------------- */
.strip4{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.frame{
  position:relative; padding:28px 22px 26px;
  background:var(--card); border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  transition:transform .25s ease, box-shadow .25s ease;
}
.frame:nth-child(odd){ transform:rotate(-1.1deg); }
.frame:nth-child(even){ transform:rotate(1.1deg) translateY(18px); }
.frame:hover{ transform:rotate(0) translateY(-6px); box-shadow:var(--shadow-pop); }

/* 分镜之间的像素箭头 */
.frame:not(:last-child)::after{
  content:''; position:absolute; top:52px; right:-17px; z-index:2;
  width:8px; height:8px; background:var(--blue);
  box-shadow:8px 0 0 var(--blue), 0 -8px 0 rgba(74,157,232,.45), 0 8px 0 rgba(74,157,232,.45);
}

.frame__no{
  position:absolute; top:-13px; left:20px;
  padding:6px 10px; border-radius:9px;
  font-family:var(--font-px); font-size:10px; line-height:1; color:#fff;
  background:var(--blue); box-shadow:0 3px 0 var(--blue-d);
}
.frame__art{ display:flex; justify-content:center; margin-bottom:16px; min-height:66px; align-items:center; }
.frame h3{ font-size:20px; margin-bottom:8px; }
.frame p{ font-size:15px; color:var(--ink-2); }

/* ---------------- 画廊 ---------------- */
.gal{ position:relative; }
.gal__rail{
  display:flex; gap:26px; overflow-x:auto; scroll-snap-type:x proximity;
  padding:10px 4px 30px; scrollbar-width:none; cursor:grab;
}
.gal__rail::-webkit-scrollbar{ display:none; }
.gal__rail.is-drag{ cursor:grabbing; scroll-snap-type:none; }
.gal__item{ flex:0 0 clamp(196px,22vw,244px); scroll-snap-align:center; margin:0; }
.gal__item .phone{ transition:transform .25s ease; }
.gal__item:nth-child(even) .phone{ transform:translateY(22px); }
.gal__item:hover .phone{ transform:translateY(-8px); }
.gal__item:nth-child(even):hover .phone{ transform:translateY(12px); }
.gal__item img{ pointer-events:none; }

.gal__item figcaption{ margin-top:18px; text-align:center; }
.gal__item:nth-child(even) figcaption{ margin-top:40px; }
.gal__item b{ display:block; font-family:var(--font-round); font-weight:800; font-size:18px; }
.gal__item span{ display:block; font-size:14px; color:var(--ink-soft); line-height:1.55; }

.gal__arrow{
  position:absolute; top:38%; z-index:5;
  width:46px; height:46px; border:none; cursor:pointer;
  background:#fff; border-radius:50%;
  font-size:26px; line-height:1; color:var(--ink);
  box-shadow:0 4px 0 var(--card-edge), 0 10px 20px rgba(48,105,155,.2);
  transition:transform .14s, box-shadow .14s;
}
.gal__arrow:hover{ transform:translateY(-2px); }
.gal__arrow:active{ transform:translateY(3px); box-shadow:0 1px 0 var(--card-edge); }
.gal__arrow--prev{ left:-14px; }
.gal__arrow--next{ right:-14px; }

/* ---------------- 主题贴纸卡 ---------------- */
.deck{ display:grid; grid-template-columns:repeat(auto-fit,minmax(310px,1fr)); gap:22px; }
.card{
  position:relative; display:flex; align-items:center; gap:18px;
  padding:20px 22px; border-radius:var(--r-lg); color:#fff; overflow:hidden;
  box-shadow:0 6px 0 rgba(0,0,0,.14), 0 16px 28px rgba(48,105,155,.2);
  transition:transform .25s ease, box-shadow .25s ease;
}
.card::before{ /* 像素格纹 */
  content:''; position:absolute; inset:0; opacity:.16; pointer-events:none;
  background-image:
    linear-gradient(45deg,rgba(255,255,255,.9) 25%,transparent 25%,transparent 75%,rgba(255,255,255,.9) 75%),
    linear-gradient(45deg,rgba(255,255,255,.9) 25%,transparent 25%,transparent 75%,rgba(255,255,255,.9) 75%);
  background-size:14px 14px; background-position:0 0,7px 7px;
}
.card:nth-child(3n+1){ transform:rotate(-.9deg); }
.card:nth-child(3n+2){ transform:rotate(.7deg); }
.card:nth-child(3n)  { transform:rotate(-.4deg); }
.card:hover{ transform:rotate(0) translateY(-7px); box-shadow:0 10px 0 rgba(0,0,0,.14), 0 24px 40px rgba(48,105,155,.28); }

.card--blue  { background:linear-gradient(160deg,#66b3f0,#3b83cf); }
.card--pink  { background:linear-gradient(160deg,#f88fb2,#e0577f); }
.card--purple{ background:linear-gradient(160deg,#ab8bec,#7f5ac6); }
.card--orange{ background:linear-gradient(160deg,#f7b64a,#e08a17); }
.card--green { background:linear-gradient(160deg,#71d363,#41a634); }
.card--soon  { background:linear-gradient(160deg,#b9c8d6,#93a6b8); }

.card__art{
  flex:none; display:flex; align-items:center; justify-content:center;
  width:84px; height:84px; background:#fff; border-radius:20px;
  box-shadow:0 4px 0 rgba(0,0,0,.16);
}
.card__body{ position:relative; z-index:1; }
.card__no{ font-family:var(--font-px); font-size:9px; line-height:1; opacity:.8; margin-bottom:8px; }
.card h3{ font-size:24px; margin-bottom:5px; text-shadow:0 2px 0 rgba(0,0,0,.2); }
.card__note{ font-size:14.5px; line-height:1.5; opacity:.95; }
.card__count{
  position:absolute; z-index:1; right:16px; bottom:12px;
  font-family:var(--font-px); font-size:14px; color:rgba(255,255,255,.55);
}

/* ---------------- 六色珠子 ---------------- */
.gems{ display:grid; grid-template-columns:repeat(auto-fit,minmax(158px,1fr)); gap:16px; margin-bottom:38px; }
.gem{
  display:flex; flex-direction:column; align-items:center; gap:6px; text-align:center;
  padding:22px 14px 18px; background:var(--card); border-radius:var(--r-md);
  box-shadow:var(--shadow-card);
  transition:transform .2s ease;
}
.gem:hover{ transform:translateY(-5px); }
.gem__ico{ display:flex; margin-bottom:6px; }
.gem b{ font-family:var(--font-round); font-size:17px; }
.gem span{ font-size:13.5px; color:var(--ink-soft); line-height:1.5; }

/* 连线加成 */
.combo{ display:flex; flex-direction:column; gap:12px; }
.combo__row{
  display:flex; align-items:center; gap:12px;
  padding:16px 22px; background:var(--card); border-radius:var(--r-md);
  box-shadow:var(--shadow-card);
}
.combo__lane{
  display:flex; align-items:center; justify-content:center; flex:none;
  width:56px; height:56px; background:var(--card-2); border-radius:12px;
  box-shadow:inset 0 0 0 2px var(--line);
}
.combo__lane--dim{ opacity:.34; }
.combo__txt{ margin-left:10px; }
.combo__txt b{ display:block; font-family:var(--font-round); font-size:18px; }
.combo__txt span{ font-size:14.5px; color:var(--ink-2); }
.combo__row--hot{ background:linear-gradient(160deg,#fff6d9,#ffeab5); box-shadow:0 4px 0 #f0d78e, 0 14px 26px rgba(200,150,30,.22); }
.combo__row--hot .combo__lane{ background:#fff; box-shadow:inset 0 0 0 2px #f2dda0; }

/* ---------------- 奖励砖块（不规则网格） ---------------- */
.bricks{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.brick{
  padding:26px 24px; background:var(--card); border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  transition:transform .22s ease, box-shadow .22s ease;
}
.brick:hover{ transform:translateY(-6px); box-shadow:var(--shadow-pop); }
.brick--tall{ grid-row:span 2; display:flex; flex-direction:column; justify-content:center;
  background:linear-gradient(165deg,#fff9e6,#fff); }
/* 收尾那块横跨整行，避免 tall 跨行后在网格里留下空格子 */
.brick--wide{ grid-column:1 / -1; display:flex; align-items:center; gap:10px 24px; flex-wrap:wrap; }
.brick--wide .brick__ico{ margin-bottom:0; }
.brick--wide h3{ margin-bottom:0; }
.brick--wide p{ flex:1 1 380px; }
.brick__ico{ display:flex; margin-bottom:14px; }
.brick h3{ font-size:20px; margin-bottom:9px; }
.brick p{ font-size:15px; color:var(--ink-2); }

/* ---------------- FAQ ---------------- */
.faq{ display:flex; flex-direction:column; gap:12px; }
.qa{
  background:var(--card); border-radius:var(--r-md); overflow:hidden;
  box-shadow:var(--shadow-card);
}
.qa summary{
  display:flex; align-items:center; gap:14px; cursor:pointer; list-style:none;
  padding:19px 22px;
  font-family:var(--font-round); font-weight:800; font-size:18px; color:var(--ink);
}
.qa summary::-webkit-details-marker{ display:none; }
.qa summary::before{
  content:''; flex:none; width:22px; height:6px; background:var(--blue);
  box-shadow:8px -8px 0 var(--blue), 8px 8px 0 var(--blue);
  transition:transform .22s ease, opacity .22s;
}
.qa[open] summary::before{ transform:rotate(180deg); box-shadow:8px 0 0 var(--blue); }
.qa summary:hover{ color:var(--blue-d); }
.qa__body{ padding:0 22px 22px 58px; }
.qa__body p{ font-size:15.5px; color:var(--ink-2); }

/* ---------------- 收尾 ---------------- */
.closer{ padding:100px 40px 130px; text-align:center; }
.closer__inner{ max-width:620px; margin:0 auto; }
.closer__art{ display:flex; justify-content:center; margin-bottom:22px; filter:drop-shadow(0 8px 12px rgba(48,105,155,.26)); animation:bob 7s ease-in-out infinite; }
.closer h2{ font-size:clamp(28px,4.4vw,42px); margin-bottom:12px; }
.closer p{ font-size:18px; color:var(--ink-2); margin-bottom:30px; }

/* ---------------- 页脚 ---------------- */
.foot{
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  border-top:3px solid #fff;
  padding:56px 40px 34px;
}
.foot__grid{
  display:grid; grid-template-columns:1.5fr 1fr 1fr 1.2fr; gap:34px;
  max-width:1080px; margin:0 auto 34px;
}
.foot__brand{ display:flex; gap:14px; }
.foot__logo{ flex:none; }
.foot__brand p{ font-size:14.5px; color:var(--ink-2); }
.foot__brand b{ font-family:var(--font-round); font-size:18px; color:var(--ink); }
.foot__col{ display:flex; flex-direction:column; gap:7px; }
.foot__col h4{ font-family:var(--font-px); font-size:10px; color:var(--ink); margin-bottom:8px; }
.foot__col a{ font-size:14.5px; color:var(--ink-2); width:fit-content; border-bottom:2px solid transparent; }
.foot__col a:hover{ color:var(--blue-d); border-color:var(--blue); }
.foot__note{ font-size:13px; color:var(--ink-soft); margin-top:6px; }

.foot__bar{
  display:flex; flex-wrap:wrap; justify-content:space-between; gap:12px;
  max-width:1080px; margin:0 auto; padding-top:22px;
  border-top:2px dashed var(--line);
  font-size:13.5px; color:var(--ink-soft);
}
.foot__top:hover{ color:var(--blue-d); }

/* ---------------- 滚动显现 ---------------- */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .6s ease, transform .6s cubic-bezier(.2,.8,.3,1); }
.reveal.is-in{ opacity:1; transform:none; }
/* 卡片带旋转的，显现后交回各自的 transform */
.frame.reveal.is-in:nth-child(odd){ transform:rotate(-1.1deg); }
.frame.reveal.is-in:nth-child(even){ transform:rotate(1.1deg) translateY(18px); }
.card.reveal.is-in:nth-child(3n+1){ transform:rotate(-.9deg); }
.card.reveal.is-in:nth-child(3n+2){ transform:rotate(.7deg); }
.card.reveal.is-in:nth-child(3n)  { transform:rotate(-.4deg); }

/* ============================================================
   响应式
   ============================================================ */

@media (max-width:1240px){
  :root{ --dock-w:214px; }
  .hero{ gap:38px; padding-left:32px; padding-right:32px; }
  .sec{ padding:80px 32px; }
  .strip4{ grid-template-columns:repeat(2,1fr); gap:26px 30px; }
  .frame:nth-child(2)::after,
  .frame:nth-child(4)::after{ display:none; }
  .frame:nth-child(even){ transform:rotate(1.1deg); }
  .frame.reveal.is-in:nth-child(even){ transform:rotate(1.1deg); }
  .gal__arrow--prev{ left:-6px; }
  .gal__arrow--next{ right:-6px; }
}

@media (max-width:1023px){
  .dock{ display:none; }
  .tabbar{ display:flex; }
  .page{ margin-left:0; padding-bottom:104px; }

  .hero{
    grid-template-columns:1fr; gap:44px; min-height:0;
    padding:56px 22px 70px; text-align:center;
  }
  .hero__copy{ display:flex; flex-direction:column; align-items:center; }
  .logo__row--gold,
  .logo__row--pink{ margin-left:0; }
  .hero__actions{ justify-content:center; }
  .chips{ justify-content:center; }
  .lede{ text-align:center; }
  .phone--hero{ width:min(280px,72%); }

  .sec{ padding:66px 22px; }
  .sec--tint{ padding-left:22px; padding-right:22px; }
  .sec__head{ margin-bottom:38px; }
  .closer{ padding:76px 22px 96px; }

  .bricks{ grid-template-columns:repeat(2,1fr); }
  .brick--tall{ grid-row:span 1; }
  .brick--wide{ grid-column:span 2; }

  .foot{ padding:44px 22px 28px; }
  .foot__grid{ grid-template-columns:repeat(2,1fr); gap:28px; }
}

@media (max-width:640px){
  body{ font-size:15.5px; }
  .hero{ padding:44px 16px 56px; }
  .hero__actions{ flex-direction:column; align-self:stretch; }
  .hero__actions .jbtn{ width:100%; }
  .logo__row{ -webkit-text-stroke-width:3px; }
  .sec{ padding:56px 16px; }
  .sec--tint{ padding-left:16px; padding-right:16px; }
  .sec__sub{ font-size:16px; }

  .strip4{ grid-template-columns:1fr; gap:22px; }
  .frame:nth-child(n){ transform:none; }
  .frame.reveal.is-in:nth-child(n){ transform:none; }
  .frame::after{ display:none !important; }

  .gal__item{ flex:0 0 66vw; }
  .gal__item:nth-child(even) .phone{ transform:none; }
  .gal__item:nth-child(even) figcaption{ margin-top:18px; }
  .gal__arrow{ display:none; }

  .deck{ grid-template-columns:1fr; }
  .card:nth-child(n){ transform:none; }
  .card.reveal.is-in:nth-child(n){ transform:none; }
  .card__art{ width:70px; height:70px; border-radius:16px; }
  .card h3{ font-size:21px; }

  .gems{ grid-template-columns:repeat(2,1fr); }
  .combo__row{ flex-wrap:wrap; padding:16px; }
  .combo__lane{ width:48px; height:48px; }
  .combo__txt{ flex:1 0 100%; margin:6px 0 0; }

  .bricks{ grid-template-columns:1fr; }
  .brick--wide{ grid-column:span 1; }

  .qa summary{ font-size:16.5px; padding:16px 18px; }
  .qa__body{ padding:0 18px 18px 52px; }

  .foot__grid{ grid-template-columns:1fr; }
  .closer{ padding:60px 16px 84px; }
}

/* 无障碍：尊重减弱动效偏好 */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
  .reveal{ opacity:1; transform:none; }
}