/* ==========================================================================
   黄豆短剧 · main.css
   ========================================================================== */

/* ==========================================================================
   1 TOKENS
   ========================================================================== */
:root{
  --tint-0: #ff7a59; --tint-0-soft:#fff1ec; --tint-0-line:#ffd3c6;
  --tint-1: #ffb020; --tint-1-soft:#fff7e6; --tint-1-line:#ffe3ad;
  --tint-2: #2fbf8f; --tint-2-soft:#e9fbf3; --tint-2-line:#b9efdb;
  --tint-3: #4f7dff; --tint-3-soft:#eef3ff; --tint-3-line:#c9d7ff;
  --tint-4: #b06bff; --tint-4-soft:#f6efff; --tint-4-line:#e0ccff;

  --ink-1:#1b1b1f; --ink-2:#4a4a55; --ink-3:#7c7c88;
  --line:#ececf0; --bg:#fbfbfd; --bg-tint:#f6f5fa;
  --card:#ffffff; --card-line:#ececf0;

  --r-xs:8px; --r-sm:12px; --r-md:18px; --r-lg:24px; --r-xl:32px; --r-pill:999px;

  --sh-1:0 1px 2px rgba(20,20,40,.04), 0 4px 12px rgba(20,20,40,.05);
  --sh-2:0 2px 6px rgba(20,20,40,.06), 0 12px 28px rgba(20,20,40,.08);
  --sh-3:0 6px 18px rgba(20,20,40,.08), 0 24px 56px rgba(20,20,40,.12);

  --fs-xs:12px; --fs-sm:14px; --fs-md:16px; --fs-lg:18px;
  --fs-xl:22px; --fs-2xl:28px; --fs-3xl:36px; --fs-4xl:48px; --fs-5xl:64px;

  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px;
  --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;

  --ease-out:cubic-bezier(.22,1,.36,1);
  --ease-spring:cubic-bezier(.34,1.56,.64,1);
  --dur-1:160ms; --dur-2:260ms; --dur-3:420ms;

  --shell:1200px;
  --header-h:64px;
}

body[data-theme="dark"]{
  --ink-1:#f2f2f6; --ink-2:#c8c8d2; --ink-3:#9a9aa6;
  --line:#2a2a33; --bg:#111114; --bg-tint:#17171c; --card:#1b1b21; --card-line:#2a2a33;
  --sh-1:0 1px 2px rgba(0,0,0,.4), 0 4px 12px rgba(0,0,0,.35);
  --sh-2:0 2px 6px rgba(0,0,0,.45), 0 12px 28px rgba(0,0,0,.5);
}

/* ==========================================================================
   2 RESET + BASE
   ========================================================================== */
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:var(--fs-md); line-height:1.65; color:var(--ink-1);
  background:var(--bg); -webkit-font-smoothing:antialiased;
  padding-bottom:88px; /* 修复：增加底部留白，防止被 Dock 遮挡 */
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--tint-3);outline-offset:2px;border-radius:6px}
::selection{background:var(--tint-3-soft);color:var(--ink-1)}
body.hg-locked{overflow:hidden}

/* ==========================================================================
   3 LAYOUT
   ========================================================================== */
.shell{width:min(100% - 40px, var(--shell));margin-inline:auto}
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(1.4) blur(12px);
  background:color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom:1px solid var(--line);
}
.header-bar{display:flex;align-items:center;gap:var(--sp-4);height:var(--header-h)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand img{width:32px;height:32px;border-radius:8px}
.brand-copy{display:flex;flex-direction:column;line-height:1.15}
.brand-copy strong{font-size:15px}
.brand-copy small{font-size:11px;color:var(--ink-3);font-weight:400}
.nav-tabs{display:flex;gap:4px;margin-left:auto;overflow:auto;scrollbar-width:none}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tabs a{
  padding:8px 12px;border-radius:var(--r-pill);font-size:14px;color:var(--ink-2);
  white-space:nowrap;transition:background var(--dur-1),color var(--dur-1);
}
.nav-tabs a:hover,.nav-tabs a.is-active{background:var(--bg-tint);color:var(--ink-1)}
.nav-actions{display:flex;gap:6px}
.icon-btn{
  display:inline-flex;align-items:center;gap:4px;padding:8px 10px;border-radius:var(--r-pill);
  font-size:13px;color:var(--ink-2);border:1px solid var(--line);background:var(--card);
  transition:transform var(--dur-1) var(--ease-spring),border-color var(--dur-1);
}
.icon-btn:hover{transform:translateY(-1px);border-color:var(--tint-3-line)}

section[id]{scroll-margin-top:calc(var(--header-h) + 16px)}
.section{padding-block:clamp(40px,6vw,80px)}
.section--tint{background:var(--bg-tint)}

/* ==========================================================================
   4 TYPOGRAPHY
   ========================================================================== */
.eyebrow{font-size:12px;letter-spacing:.08em;color:var(--tint-3);font-weight:600;text-transform:uppercase}
.title{font-size:clamp(24px,3.4vw,36px);font-weight:800;letter-spacing:-.01em;line-height:1.2;margin-top:8px}
.desc{color:var(--ink-2);font-size:15px;max-width:62ch;margin-top:10px}
.head{margin-bottom:clamp(24px,4vw,40px)}
.more{
  display:inline-flex;align-items:center;gap:6px;margin-top:24px;
  color:var(--tint-3);font-weight:600;font-size:14px;
}
.more:hover{text-decoration:underline}

/* ==========================================================================
   5 COMPONENTS
   ========================================================================== */

/* --- 5.1 按钮 --- */
.jelly{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-pill);font-weight:700;font-size:15px;
  background:linear-gradient(135deg,var(--tint-0),var(--tint-1));
  color:#fff;box-shadow:var(--sh-2);
  white-space:nowrap; /* 修复：防止文字被挤成竖排 */
  transition:transform var(--dur-2) var(--ease-spring),box-shadow var(--dur-2);
}
.jelly:hover{transform:translateY(-2px) scale(1.02);box-shadow:var(--sh-3)}
.jelly:active{transform:translateY(0) scale(.98)}
.jelly--sm{padding:8px 14px;font-size:13px}
.jelly--lg{padding:14px 26px;font-size:16px; width: 100%;}
.jelly--alt{background:var(--card);color:var(--ink-1);border:1px solid var(--line);box-shadow:var(--sh-1)}
.pill{
  display:inline-flex;align-items:center;padding:10px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--card);font-weight:600;font-size:14px;
  transition:border-color var(--dur-1),transform var(--dur-1) var(--ease-spring);
}
.pill:hover{border-color:var(--tint-3-line);transform:translateY(-1px)}

/* --- 5.2 徽标/状态 --- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--r-pill);
  background:var(--tint-0-soft);color:var(--tint-0);font-size:12px;font-weight:600;
}
.badge i{width:6px;height:6px;border-radius:50%;background:currentColor;animation:pulse 1.6s infinite}
.status{
  display:inline-block;padding:2px 8px;border-radius:var(--r-pill);font-size:11px;font-weight:600;
  background:var(--bg-tint);color:var(--ink-2);white-space:nowrap;
}
.status[data-status="连更中"]{background:var(--tint-2-soft);color:var(--tint-2)}
.status[data-status="已完结"]{background:var(--tint-3-soft);color:var(--tint-3)}
.status[data-status="新上线"]{background:var(--tint-0-soft);color:var(--tint-0)}
.status[data-status="限时免费"]{background:var(--tint-1-soft);color:#b07400}

/* --- 5.3 卡片通用 --- */
.card{
  background:var(--card);border:1px solid var(--card-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--dur-2) var(--ease-out),box-shadow var(--dur-2);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.play-link{position:relative;display:block;overflow:hidden}
.play-link img{width:100%;height:100%;object-fit:cover;transition:transform var(--dur-3) var(--ease-out)}
.play-link:hover img{transform:scale(1.05)}

/* --- 5.4 Hero --- */
.hero{padding-block:clamp(48px,8vw,96px);position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,5vw,64px);align-items:center}
.hero-title{font-size:clamp(34px,6vw,64px);font-weight:900;line-height:1.08;letter-spacing:-.02em;margin-top:16px}
.hero-title .lead{display:block}
.hero-title .accent{
  display:block;
  background:linear-gradient(120deg,var(--tint-0),var(--tint-4));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-desc{margin-top:18px;color:var(--ink-2);font-size:16px;max-width:52ch}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.chips li{padding:6px 12px;border-radius:var(--r-pill);background:var(--card);border:1px solid var(--line);font-size:12px;color:var(--ink-2)}

/* --- 全新全景式时间轴轮播 --- */
.plate {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 400px;
  perspective: 1500px;
  transform-style: preserve-3d;
  margin-top: 20px;
}
.plate-cell {
  position: absolute;
  width: 180px;
  height: 250px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0,0,0,0.15);
  transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  cursor: pointer;
  background: #111;
  border: 3px solid #fff;
}
.plate-cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.plate-cell:nth-child(1) { transform: translateX(-320px) translateZ(-180px) rotateY(25deg); z-index: 1; opacity: 0.8; }
.plate-cell:nth-child(2) { transform: translateX(-230px) translateZ(-110px) rotateY(15deg); z-index: 2; opacity: 0.9; }
.plate-cell:nth-child(3) { transform: translateX(-130px) translateZ(-40px) rotateY(5deg); z-index: 3; }
.plate-cell:nth-child(4) { transform: translateX(0px) translateZ(40px); z-index: 4; width: 210px; height: 290px; box-shadow: 0 25px 50px rgba(0,0,0,0.25); border-color: var(--tint-0); }
.plate-cell:nth-child(5) { transform: translateX(130px) translateZ(-40px) rotateY(-5deg); z-index: 3; }
.plate-cell:nth-child(6) { transform: translateX(230px) translateZ(-110px) rotateY(-15deg); z-index: 2; opacity: 0.9; }
.plate-cell:nth-child(7) { transform: translateX(320px) translateZ(-180px) rotateY(-25deg); z-index: 1; opacity: 0.8; }
.plate-cell:nth-child(8) { transform: translateX(390px) translateZ(-250px) rotateY(-35deg); z-index: 0; opacity: 0.5; }

.plate-cell:hover {
  transform: translateY(-20px) translateZ(120px) rotateY(0deg) scale(1.05) !important;
  z-index: 20 !important;
  opacity: 1 !important;
  box-shadow: 0 30px 60px rgba(0,0,0,0.4);
  border-color: #fff;
}

/* --- 5.5 日历 --- */
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:10px}
.cal-cell{
  background:var(--card);border:1px solid var(--card-line);border-radius:var(--r-md);
  padding:14px;display:flex;flex-direction:column;gap:6px;min-height:132px;
  transition:transform var(--dur-2) var(--ease-out),box-shadow var(--dur-2);
}
.cal-cell:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.cal-day{font-size:12px;color:var(--ink-3);font-weight:600}
.cal-drama{font-size:14px;font-weight:700;line-height:1.35}
.cal-tag{font-size:11px;color:var(--ink-2)}
.cal-status{margin-top:auto}

/* --- 5.6 片架 --- */
.shelf-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.fruit-media{position:relative;aspect-ratio:3/4}
.fruit-heat,.fruit-genre{
  position:absolute;padding:4px 10px;border-radius:var(--r-pill);font-size:11px;font-weight:600;
  background:rgba(0,0,0,.55);color:#fff;backdrop-filter:blur(6px);
}
.fruit-heat{top:10px;left:10px}
.fruit-genre{bottom:10px;right:10px}
.fruit-body{padding:14px}
.fruit-body h4{font-size:15px;font-weight:700}
.fruit-body p{font-size:13px;color:var(--ink-2);margin-top:4px}

/* --- 5.7 榜单 --- */
.podium{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:end;margin-bottom:24px}
.pod-card{
  background:var(--card);border:1px solid var(--card-line);border-radius:var(--r-lg);
  padding:14px;box-shadow:var(--sh-1);position:relative;
  transform:translateY(calc(var(--lift,0) * -8px));
}
.pod-media{position:relative;aspect-ratio:3/4;border-radius:var(--r-md);overflow:hidden}
.pod-no{
  position:absolute;top:8px;left:8px;width:28px;height:28px;border-radius:50%;
  background:var(--tint-0);color:#fff;font-weight:800;display:grid;place-items:center;font-size:14px;
}
.pod-body{padding-top:12px}
.pod-body h4{font-size:15px;font-weight:700}
.pod-genre{font-size:12px;color:var(--ink-3)}
.pod-body p{font-size:13px;color:var(--ink-2);margin-top:4px}
.pod-score{display:inline-block;margin-top:8px;font-size:12px;font-weight:700;color:var(--tint-0)}
.chart-rows{display:flex;flex-direction:column;gap:10px}
.chart-row{
  display:grid;grid-template-columns:32px 56px 1fr auto;gap:14px;align-items:center;
  padding:10px 14px;background:var(--card);border:1px solid var(--card-line);border-radius:var(--r-md);
}
.chart-no{font-weight:800;color:var(--ink-3)}
.chart-thumb{width:56px;height:74px;border-radius:10px;overflow:hidden}
.chart-info h4{font-size:14px;font-weight:700}
.chart-genre{font-size:12px;color:var(--ink-3)}
.chart-bar{height:6px;border-radius:99px;background:var(--bg-tint);margin-top:6px;overflow:hidden}
.chart-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--tint-0),var(--tint-1));border-radius:99px}
.chart-heat{font-size:12px;font-weight:700;color:var(--ink-2)}

/* --- 5.8 口味磁贴 --- */
.channel-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.channel{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px;border-radius:var(--r-md);font-weight:700;
  background:var(--tint-0-soft);color:var(--tint-0);
  transition:transform var(--dur-2) var(--ease-spring);
}
.channel:hover{transform:translateY(-3px) scale(1.02)}
.channel[style*="--tint:1"]{background:var(--tint-1-soft);color:#b07400}
.channel[style*="--tint:2"]{background:var(--tint-2-soft);color:var(--tint-2)}
.channel[style*="--tint:3"]{background:var(--tint-3-soft);color:var(--tint-3)}
.channel span{font-size:11px;font-weight:600;opacity:.8}

/* --- 5.9 三专区 --- */
.trio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.trio-card{background:var(--card);border:1px solid var(--card-line);border-radius:var(--r-lg);padding:18px;box-shadow:var(--sh-1)}
.trio-head{display:flex;gap:14px;align-items:flex-start}
.trio-poster{width:84px;height:112px;border-radius:var(--r-sm);overflow:hidden;flex:none}
.trio-head h3{font-size:18px;font-weight:800}
.trio-copy{font-size:13px;color:var(--ink-2);margin-top:6px}
.trio-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.trio-list h4{font-size:14px;font-weight:700}
.trio-list p{font-size:12px;color:var(--ink-3)}

/* --- 5.10 体验五宫格 --- */
.perk-row{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.perk{background:var(--card);border:1px solid var(--card-line);border-radius:var(--r-md);padding:16px;text-align:center}
.perk-icon{font-size:22px;display:block;margin-bottom:6px;color:var(--tint-0)}
.perk strong{display:block;font-size:14px}
.perk p{font-size:12px;color:var(--ink-3);margin-top:4px}

/* --- 5.11 留言墙 --- */
.voice-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.voice{background:var(--card);border:1px solid var(--card-line);border-radius:var(--r-md);padding:16px}
.voice-user{display:flex;gap:10px;align-items:center}
.voice-avatar{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-weight:700;
  background:var(--tint-0-soft);color:var(--tint-0);flex:none;
}
.voice-user strong{font-size:13px}
.voice-user em{font-size:11px;color:var(--ink-3);font-style:normal;display:block}
.voice-text{font-size:13px;color:var(--ink-2);margin-top:10px;line-height:1.6}

/* --- 5.12 数字带 --- */
.stats-band{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{background:var(--card);border:1px solid var(--card-line);border-radius:var(--r-md);padding:20px;text-align:center}
.stat-value{display:block;font-size:28px;font-weight:900;background:linear-gradient(120deg,var(--tint-0),var(--tint-4));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{font-size:12px;color:var(--ink-3);margin-top:4px;display:block}

/* --- 5.13 FAQ --- */
.faq-box{display:flex;flex-direction:column;gap:8px}
.faq-item{background:var(--card);border:1px solid var(--card-line);border-radius:var(--r-md);padding:16px}
.faq-q{font-size:14px;font-weight:700;display:flex;gap:10px;align-items:flex-start}
.faq-mark{
  width:22px;height:22px;border-radius:6px;display:grid;place-items:center;flex:none;
  font-size:12px;font-weight:800;background:var(--tint-0-soft);color:var(--tint-0);
}
.faq-a{font-size:13px;color:var(--ink-2);margin-top:8px;padding-left:32px}

/* --- 5.14 Dock --- */
.dock{
  position:fixed;left:0;right:0;bottom:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 16px;background:color-mix(in srgb,var(--card) 92%,transparent);
  backdrop-filter:blur(12px);border-top:1px solid var(--line);
  transform:translateY(100%);transition:transform var(--dur-2) var(--ease-out);
}
.dock.is-show{transform:translateY(0)}
.dock-hint{font-size:12px;color:var(--ink-2)}
.dock-hint strong{color:var(--ink-1);margin-right:4px}

/* --- 5.15 浮层 --- */
.layer{
  position:fixed;inset:0;z-index:60;display:grid;place-items:center;
  opacity:0;visibility:hidden;transition:opacity var(--dur-2),visibility var(--dur-2);
}
.layer.is-open{opacity:1;visibility:visible}
.layer-panel{
  width:min(920px,92vw);max-height:86vh;overflow:auto;
  background:var(--card);border-radius:var(--r-xl);box-shadow:var(--sh-3);
  padding:24px;transform:translateY(12px);transition:transform var(--dur-3) var(--ease-spring);
}
.layer.is-open .layer-panel{transform:translateY(0)}
.layer-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:18px}
.layer-head strong{font-size:16px;display:block}
.layer-head span{font-size:12px;color:var(--ink-3)}
.layer-close{width:32px;height:32px;border-radius:50%;background:var(--bg-tint);font-size:18px;display:grid;place-items:center}
.layer-overlay{position:fixed;inset:0;z-index:55;background:rgba(10,10,20,.45);opacity:0;visibility:hidden;transition:opacity var(--dur-2),visibility var(--dur-2)}
.layer-overlay.is-open{opacity:1;visibility:visible}
.menu-groups{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.menu-group h2{font-size:12px;color:var(--ink-3);font-weight:700;letter-spacing:.06em;margin-bottom:10px}
.menu-group-links{display:flex;flex-direction:column;gap:6px}
.menu-item{display:flex;flex-direction:column;padding:10px 12px;border-radius:var(--r-sm);transition:background var(--dur-1)}
.menu-item:hover{background:var(--bg-tint)}
.menu-item b{font-size:14px}
.menu-item span{font-size:12px;color:var(--ink-3)}
.layer-search input{
  width:100%;padding:12px 16px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--bg-tint);font-size:14px;outline:none;
}
.layer-search input:focus{border-color:var(--tint-3-line)}
.search-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.search-chip{padding:6px 12px;border-radius:var(--r-pill);background:var(--bg-tint);font-size:12px}
.search-chip:hover{background:var(--tint-3-soft);color:var(--tint-3)}
.search-results{display:flex;flex-direction:column;gap:6px;margin-top:16px}
.search-empty{font-size:13px;color:var(--ink-3);text-align:center;padding:20px}
.search-count{font-size:12px;color:var(--ink-3);margin-bottom:6px}

/* --- 5.16 页脚 --- */
.site-footer{background:var(--bg-tint);border-top:1px solid var(--line);padding-block:48px 24px;margin-top:40px}
.footer-top{display:grid;grid-template-columns:1.2fr 2fr .8fr;gap:32px}
.footer-brand p{font-size:13px;color:var(--ink-2);margin-top:12px;max-width:36ch}
.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.footer-col h3{font-size:12px;color:var(--ink-3);font-weight:700;letter-spacing:.06em;margin-bottom:10px}
.footer-col a{display:block;font-size:13px;color:var(--ink-2);padding:3px 0}
.footer-col a:hover{color:var(--tint-3)}
.footer-contact p{font-size:13px;color:var(--ink-2);margin-bottom:8px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:32px;padding-top:20px;border-top:1px solid var(--line)}
.footer-tags strong{font-size:12px;color:var(--ink-3)}
.footer-tags span{font-size:12px;color:var(--ink-2);padding:4px 10px;border-radius:var(--r-pill);background:var(--card);border:1px solid var(--line)}
.footer-legal{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--ink-3);margin-top:20px}
.footer-legal a:hover{color:var(--tint-3)}

/* --- 5.17 内容声明 --- */
.notice{padding:16px 0}
.note{font-size:12px;color:var(--ink-3);line-height:1.7}

/* ==========================================================================
   6 MOTION
   ========================================================================== */
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.is-in{animation:fadeUp var(--dur-3) var(--ease-out) both}
[data-reveal]{opacity:0;transform:translateY(16px);transition:opacity var(--dur-3),transform var(--dur-3) var(--ease-out)}
[data-reveal].is-in{opacity:1;transform:none;animation:none}

/* ==========================================================================
   7 PAGE
   ========================================================================== */
body[data-page="home"] .hero{padding-block:clamp(56px,9vw,120px)}
body[data-page="charts"] .podium{grid-template-columns:repeat(3,1fr)}
body[data-page="zones"] .zone-section{padding-block:clamp(32px,5vw,64px)}
body[data-page="download"] .basket{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:start}
body[data-page="about"] .about-grid{display:grid;grid-template-columns:220px 1fr;gap:32px}

/* ==========================================================================
   8 A11Y / RESPONSIVE
   ========================================================================== */
@media (max-width:1024px){
  .shelf-grid{grid-template-columns:repeat(2,1fr)}
  .trio-grid{grid-template-columns:1fr}
  .perk-row{grid-template-columns:repeat(3,1fr)}
  .voice-wall{grid-template-columns:repeat(2,1fr)}
  .stats-band{grid-template-columns:repeat(2,1fr)}
  .channel-wall{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .menu-groups{grid-template-columns:1fr}
  
  /* 下载页面板在平板尺寸下单列 */
  body[data-page="download"] .basket{grid-template-columns:1fr}
  body[data-page="about"] .about-grid{grid-template-columns:1fr}
}

@media (max-width:720px){
  :root{--header-h:56px}
  .nav-tabs{display:none}
  
  /* 修复首页 Hero 网格塌陷问题 */
  .hero-grid{grid-template-columns:1fr}
  
  /* 修复首页下载区在移动端依然保持两列的问题，强制变为单列 */
  #download .shell { 
    grid-template-columns: 1fr !important; 
    gap: 24px !important; 
  }
  
  /* 确保下载卡片内部也正常 */
  #download .card {
    position: static !important;
    padding: 20px !important;
  }

  /* 移动端轮播适配 */
  .plate { height: 240px; perspective: 800px; margin-top: 30px; }
  .plate-cell { width: 100px; height: 140px; border-radius: 12px; border-width: 2px; }
  .plate-cell:nth-child(1) { transform: translateX(-150px) translateZ(-100px) rotateY(20deg); opacity: 0.6; }
  .plate-cell:nth-child(2) { transform: translateX(-100px) translateZ(-60px) rotateY(10deg); opacity: 0.8; }
  .plate-cell:nth-child(3) { transform: translateX(-50px) translateZ(-20px) rotateY(5deg); z-index: 3; }
  .plate-cell:nth-child(4) { transform: translateX(0px) translateZ(20px); width: 120px; height: 170px; z-index: 4; }
  .plate-cell:nth-child(5) { transform: translateX(50px) translateZ(-20px) rotateY(-5deg); z-index: 3; }
  .plate-cell:nth-child(6) { transform: translateX(100px) translateZ(-60px) rotateY(-10deg); opacity: 0.8; }
  .plate-cell:nth-child(7) { transform: translateX(150px) translateZ(-100px) rotateY(-20deg); opacity: 0.6; }
  .plate-cell:nth-child(8) { display: none; }

  .cal{grid-template-columns:repeat(2,1fr)}
  .shelf-grid,.podium,.voice-wall,.stats-band,.channel-wall,.perk-row{grid-template-columns:1fr}
  .footer-groups{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr}
  .chart-row{grid-template-columns:24px 48px 1fr;gap:10px}
  .chart-heat{grid-column:3;justify-self:start;font-size:11px}
  .layer-panel{padding:18px;border-radius:var(--r-lg)}
  
  /* Dock 文字变小 */
  .dock-hint { font-size: 11px; line-height: 1.4; }
  .dock-hint strong { display: block; margin-bottom: 2px; }
}

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