:root{
  --pink:#ff6fa5; --pink-soft:#ffc2dc; --deep-pink:#f0447f;
  --mint:#4fd6c9; --sky:#6fc3ff; --purple:#a06ee8; --gold:#ffbe55;
  --text:#4a3b52; --muted:#91809c; --card:#ffffff;
  --border:rgba(240,68,127,.22);
  --grad-main:linear-gradient(120deg,#ff6fa5,#a06ee8 55%,#6fc3ff);
  --grad-candy:linear-gradient(135deg,#ff8fb8,#ffc2dc);
  --shadow-1:0 4px 14px rgba(240,68,127,.14);
  --shadow-2:0 14px 34px rgba(160,110,232,.22);

  --font-disp:"SakuraDisplay","字研室动漫二次圆","PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC","Segoe UI",system-ui,sans-serif;
  --font-sys:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --ease-bounce:cubic-bezier(.34,1.56,.64,1);
  --nav-h:56px;
  --sb-track:#ffdcec; --sb-thumb:#ff9ec4; --sb-thumb-h:#f0447f;
  --faint:#b6a6c6;
}
html[data-theme="dark"]{
  --text:#f3e9f7; --muted:#b6a6c6; --card:#322545;
  --border:rgba(255,140,190,.3);

  --pink-soft:rgba(255,194,220,.18);
  --shadow-1:0 4px 14px rgba(0,0,0,.35);
  --shadow-2:0 14px 34px rgba(0,0,0,.5);
  --sb-track:#2a2038; --sb-thumb:#5c4470; --sb-thumb-h:#a06ee8;
  color-scheme:dark;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;color-scheme:light;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  font-family:var(--font-sys);color:var(--text);font-size:16px;line-height:1.75;
  min-height:100vh;overflow-x:hidden;letter-spacing:.02em;
  transition:background-color .5s ease,color .5s ease;
}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
::selection{background:var(--deep-pink);color:#fff}
:focus-visible{outline:2px solid var(--deep-pink);outline-offset:2px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--sb-track)}
::-webkit-scrollbar-thumb{background:var(--sb-thumb);border:2px solid var(--sb-track);border-radius:5px}
::-webkit-scrollbar-thumb:hover{background:var(--sb-thumb-h)}

#loader{position:fixed;inset:0;z-index:200;background:linear-gradient(135deg,#ffd7e9,#e8dbff 55%,#d5edff);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;
  transition:opacity .6s ease,visibility .6s}
#loader.off{opacity:0;visibility:hidden}
#loader .sakura-spin{font-size:46px;animation:spin 1.6s linear infinite}
#loader .ld-txt{font-size:20px;color:var(--deep-pink);letter-spacing:.2em}
#loader .ld-bar{width:180px;height:8px;border-radius:99px;background:rgba(255,255,255,.6);overflow:hidden}
#loader .ld-bar i{display:block;height:100%;width:40%;border-radius:99px;background:var(--grad-main);
  animation:ldslide 1.1s ease-in-out infinite alternate}
@keyframes ldslide{to{transform:translateX(140%)}}
@keyframes spin{to{transform:rotate(360deg)}}
html[data-theme="dark"] #loader{background:linear-gradient(135deg,#2a2038,#3a2650 55%,#1c2b3e)}
html[data-theme="dark"] #loader .ld-bar{background:rgba(255,255,255,.12)}

.sky{position:fixed;inset:0;z-index:-3;
  background:linear-gradient(160deg,#ffd7e9 0%,#f0ddff 34%,#dcedff 68%,#cfe8ff 100%);
  background-size:200% 200%;animation:skydrift 26s ease-in-out infinite alternate}
html[data-theme="dark"] .sky{
  background:linear-gradient(160deg,#241b3a 0%,#3a2650 45%,#1c2b3e 100%);
  background-size:200% 200%}
@keyframes skydrift{from{background-position:0% 0%}to{background-position:100% 100%}}

.stars{position:fixed;inset:0;z-index:-2;pointer-events:none;opacity:.9;
  background-image:
    radial-gradient(2px 2px at 8% 22%,#fff,var(--pink) 40%,transparent 60%),
    radial-gradient(2px 2px at 22% 64%,#fff,var(--gold) 40%,transparent 60%),
    radial-gradient(1.6px 1.6px at 38% 12%,#fff,var(--sky) 40%,transparent 60%),
    radial-gradient(2px 2px at 55% 38%,#fff,var(--purple) 40%,transparent 60%),
    radial-gradient(1.6px 1.6px at 71% 18%,#fff,var(--pink) 40%,transparent 60%),
    radial-gradient(2px 2px at 86% 52%,#fff,var(--mint) 40%,transparent 60%),
    radial-gradient(1.6px 1.6px at 92% 80%,#fff,var(--sky) 40%,transparent 60%),
    radial-gradient(1.6px 1.6px at 15% 86%,#fff,var(--purple) 40%,transparent 60%),
    radial-gradient(1.6px 1.6px at 64% 88%,#fff,var(--gold) 40%,transparent 60%),
    radial-gradient(1.6px 1.6px at 44% 74%,#fff,var(--pink) 40%,transparent 60%);
  animation:twinkle 3.2s ease-in-out infinite alternate}
html[data-theme="dark"] .stars{opacity:1;filter:drop-shadow(0 0 4px rgba(255,255,255,.6))}
@keyframes twinkle{from{opacity:.35}to{opacity:1}}

.cloud{position:fixed;z-index:-2;pointer-events:none;font-size:64px;opacity:.5;
  animation:cloudmove linear infinite}
@keyframes cloudmove{from{transform:translateX(-10vw)}to{transform:translateX(110vw)}}
html[data-theme="dark"] .cloud{opacity:.14;filter:brightness(.5)}
#petal-canvas{position:fixed;inset:0;z-index:-1;pointer-events:none}

.topnav{position:fixed;top:0;left:0;right:0;z-index:60;height:var(--nav-h);
  display:flex;align-items:center;gap:10px;padding:0 20px;
  background:color-mix(in srgb, var(--card) 72%, transparent);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:2px dashed var(--border)}
.logo{font-family:var(--font-disp);font-size:22px;letter-spacing:.06em;flex-shrink:0;
  margin-right:14px;
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 2px 6px rgba(240,68,127,.25))}
.logo .saku{font-size:20px;display:inline-block;animation:saku-bob 2.4s ease-in-out infinite;
  background:none;-webkit-background-clip:border-box;background-clip:border-box;
  -webkit-text-fill-color:initial;color:initial;
  filter:drop-shadow(0 2px 4px rgba(240,68,127,.3))}
@keyframes saku-bob{0%,100%{transform:rotate(-12deg)}50%{transform:rotate(10deg) translateY(-2px)}}
.nav-track{display:flex;gap:4px;flex:1;overflow-x:auto;scrollbar-width:none;align-items:center;
  padding:7px 2px;margin:-7px 0;
  mask-image:linear-gradient(90deg,transparent,#000 14px,#000 calc(100% - 14px),transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 14px,#000 calc(100% - 14px),transparent)}
.nav-track::-webkit-scrollbar{display:none}
.nav-pill{display:flex;align-items:center;gap:5px;white-space:nowrap;
  font-size:14px;font-weight:700;color:var(--muted);
  padding:6px 12px;border-radius:17px;border:1.5px solid transparent;
  transition:all var(--dur,180ms) var(--ease-bounce)}
.nav-pill .e{font-size:15px}
.nav-pill:hover{color:var(--deep-pink);background:var(--pink-soft);transform:translateY(-2px)}
.nav-pill.active{color:#fff;background:var(--grad-candy);border-color:#ffb1d2;
  box-shadow:0 4px 12px rgba(240,68,127,.3);transform:translateY(-2px)}
html[data-theme="dark"] .nav-pill.active{color:#2a2038}
.nav-right{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-left:6px}
.nav-btn{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;
  border:2px solid var(--border);background:var(--card);font-size:16px;
  transition:all var(--dur,180ms) var(--ease-bounce)}
.nav-btn:hover{transform:translateY(-2px) rotate(-8deg);border-color:var(--pink);box-shadow:var(--shadow-1)}
.nav-btn .burger{display:flex;flex-direction:column;gap:4px;width:15px}
.nav-btn .burger i{height:2.2px;border-radius:2px;background:var(--deep-pink);
  transition:transform var(--dur,180ms) ease,opacity var(--dur,180ms) ease}
.nav-btn[aria-expanded="true"] .burger i:nth-child(1){transform:translateY(6.2px) rotate(45deg)}
.nav-btn[aria-expanded="true"] .burger i:nth-child(2){opacity:0}
.nav-btn[aria-expanded="true"] .burger i:nth-child(3){transform:translateY(-6.2px) rotate(-45deg)}

.menu-wrap{position:relative}
.dropdown{position:absolute;right:0;top:calc(100% + 10px);min-width:230px;z-index:70;
  background:var(--card);border:2px solid var(--pink-soft);border-radius:18px;
  box-shadow:var(--shadow-2);padding:8px;display:none}
.dropdown.open{display:block;animation:pop .3s var(--ease-bounce)}
@keyframes pop{from{opacity:0;transform:translateY(-8px) scale(.96)}to{opacity:1;transform:none}}
.dd-item{display:flex;width:100%;align-items:center;gap:10px;padding:10px 13px;border-radius:12px;
  font-size:15px;font-weight:700;text-align:left;transition:all var(--dur,180ms) ease}
.dd-item .ico{width:20px;text-align:center}
.dd-item:hover{background:var(--pink-soft);color:var(--deep-pink);transform:translateX(3px)}

main{max-width:1120px;margin:0 auto;padding:0 24px}

.hero{position:relative;padding:calc(var(--nav-h) + 52px) 0 10px;text-align:center}
.danmaku{position:absolute;top:calc(var(--nav-h) + 6px);left:calc(50% - 50vw);width:100vw;height:118px;
  overflow:hidden;pointer-events:none;z-index:1}
.dm{position:absolute;left:100%;white-space:nowrap;font-size:16px;font-weight:700;color:#fff;
  text-shadow:0 1px 3px rgba(160,40,90,.55),0 1px 10px rgba(240,68,127,.45);opacity:.94;
  animation:dmmove linear forwards}
html[data-theme="dark"] .dm{color:#ffd7e9;text-shadow:0 1px 8px rgba(0,0,0,.6)}
@keyframes dmmove{from{transform:translateX(0)}to{transform:translateX(calc(-100vw - 100%))}}
.hero-emoji{font-size:40px;display:inline-block;animation:saku-bob 3s ease-in-out infinite}
.hero h1{font-family:var(--font-disp);font-weight:400;font-size:clamp(48px,8.4vw,90px);line-height:1.15;letter-spacing:.04em;
  background:linear-gradient(120deg,#ff6fa5 10%,#a06ee8 45%,#4fd6c9 75%,#ffbe55 100%);
  background-size:250% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:gradflow 7s linear infinite;
  filter:drop-shadow(0 4px 0 rgba(255,255,255,.8)) drop-shadow(0 8px 18px rgba(240,68,127,.3))}
html[data-theme="dark"] .hero h1{filter:drop-shadow(0 4px 0 rgba(0,0,0,.35)) drop-shadow(0 8px 18px rgba(240,110,180,.35))}
@keyframes gradflow{to{background-position:250% 0}}
.hero .sub{font-size:clamp(15px,2vw,19px);color:var(--muted);letter-spacing:.24em}
.hero .sub b{color:var(--deep-pink)}

.search-wrap{max-width:620px;margin:26px auto 0;position:relative;border-radius:99px;padding:3px;
  background:var(--grad-main);background-size:250% 100%;animation:gradflow 6s linear infinite;
  box-shadow:0 10px 30px rgba(240,68,127,.28)}
.search{width:100%;display:flex;align-items:center;gap:12px;background:var(--card);
  border-radius:99px;padding:14px 26px;text-align:left;transition:transform var(--dur,180ms) var(--ease-bounce)}
.search:hover{transform:scale(1.015)}
.search .mag{font-size:19px;animation:saku-bob 2.2s ease-in-out infinite}
.search .ph{flex:1;color:var(--muted);font-size:15.5px}
.search .kbd{font-family:var(--font-sys);font-size:11.5px;font-weight:500;letter-spacing:.1em;
  color:var(--deep-pink);border:1.5px solid var(--border);border-radius:99px;padding:3px 11px}

.shelf{margin-top:22px;display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.shelf[hidden]{display:none}
.shelf-label{color:var(--muted);font-size:14px;align-self:center;letter-spacing:.2em}
.candy{display:inline-flex;align-items:center;gap:7px;font-weight:500;font-size:15px;
  padding:8px 18px;border-radius:99px;background:var(--card);border:2px solid var(--pink-soft);
  box-shadow:var(--shadow-1);transition:all var(--dur,180ms) var(--ease-bounce)}
.candy:hover{transform:translateY(-3px) rotate(-2deg) scale(1.04);border-color:var(--pink);
  box-shadow:0 8px 20px rgba(240,68,127,.25)}

.mascot-zone{position:fixed;left:18px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:65;display:flex;flex-direction:row-reverse;align-items:flex-end;gap:6px;
  pointer-events:none}
.mascot{height:120px;width:auto;filter:drop-shadow(0 6px 14px rgba(240,68,127,.3));cursor:pointer;pointer-events:auto;
  animation:bob 3s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.bubble{position:relative;background:#fff;color:#e0447f;border:2.5px solid var(--pink);
  border-radius:16px;border-bottom-left-radius:4px;padding:9px 14px;font-size:14px;font-weight:700;
  box-shadow:var(--shadow-1);max-width:210px;margin-bottom:52px;pointer-events:none;
  animation:pop .4s var(--ease-bounce)}
html[data-theme="dark"] .bubble{background:#3a2b50;color:#ffc2dc;border-color:#a06ee8}
.bubble::after{content:"";position:absolute;left:-9px;bottom:12px;border:5px solid transparent;
  border-right-color:var(--pink)}

.chapter{padding:52px 0 6px}
.ch-head{display:flex;align-items:center;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.ch-badge{width:52px;height:52px;flex-shrink:0;display:grid;place-items:center;font-size:25px;
  background:var(--grad-candy);border-radius:18px;border:2.5px solid #fff;
  box-shadow:0 6px 16px rgba(240,68,127,.28);transform:rotate(-6deg);
  animation:badge-bob 3.4s ease-in-out infinite}
.chapter:nth-child(2n) .ch-badge{border-radius:22px 8px 22px 8px;transform:rotate(5deg);
  background:linear-gradient(135deg,#9fe8ff,#c9b6ff)}
.chapter:nth-child(3n) .ch-badge{background:linear-gradient(135deg,#ffe29a,#ffb1d2)}
@keyframes badge-bob{0%,100%{transform:rotate(-6deg) translateY(0)}50%{transform:rotate(-2deg) translateY(-5px)}}
.chapter:nth-child(2n) .ch-badge{animation-name:badge-bob2}
@keyframes badge-bob2{0%,100%{transform:rotate(5deg) translateY(0)}50%{transform:rotate(9deg) translateY(-5px)}}
.ch-title{font-family:var(--font-disp);font-weight:500;font-size:clamp(28px,3.8vw,38px);letter-spacing:.06em}
.ch-count{font-family:var(--font-sys);font-weight:500;font-size:13px;color:#fff;
  background:var(--grad-candy);padding:3px 13px;border-radius:99px;box-shadow:var(--shadow-1)}
.ch-line{flex:1;min-width:60px;height:3px;border-radius:3px;
  background:repeating-linear-gradient(90deg,var(--pink-soft) 0 14px,transparent 14px 24px)}
.sub-tag{display:inline-flex;align-items:center;gap:7px;margin:8px 0 16px;font-weight:500;font-size:15px;
  color:var(--deep-pink);background:var(--pink-soft);border-radius:99px;padding:5px 16px}

.cards + .sub-tag{margin-top:26px;position:relative}
.cards + .sub-tag::after{content:'';position:absolute;left:100%;margin-left:10px;right:-40px;top:50%;
  height:2.5px;border-radius:3px;transform:translateY(-50%);
  background:repeating-linear-gradient(90deg,var(--pink-soft) 0 12px,transparent 12px 20px)}
.sub-tag::before{content:"🎀";font-size:14px}

html[data-theme="dark"] .sub-tag{
  color:#ffe4f1;background:rgba(240,68,127,.28);
  border:1.5px solid rgba(255,150,195,.6);
  box-shadow:0 2px 10px rgba(0,0,0,.35),0 0 0 4px rgba(240,68,127,.08);
}
html[data-theme="dark"] .sub-tag::before{opacity:.95}

html[data-theme="dark"] .cards + .sub-tag::after{
  background:repeating-linear-gradient(90deg,rgba(255,170,205,.55) 0 12px,transparent 12px 20px);
}

html[data-theme="dark"] .nav-pill:hover{color:#ffe4f1}
html[data-theme="dark"] .dd-item:hover{color:#ffe4f1}
html[data-theme="dark"] .pal-item:hover,html[data-theme="dark"] .pal-item.sel{color:#ffe4f1}
html[data-theme="dark"] .pal-item.sel .p-no{color:#ffc2dc}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(256px,1fr));gap:18px}
.card{position:relative;display:flex;flex-direction:column;gap:4px;
  background:var(--card);border:2px solid var(--pink-soft);border-radius:18px;padding:17px 19px 15px;
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform var(--dur,200ms) var(--ease-bounce),box-shadow var(--dur,200ms) ease,border-color var(--dur,200ms) ease}
.card::before{content:"";position:absolute;top:-46px;right:-46px;width:92px;height:92px;border-radius:50%;
  background:var(--pink-soft);opacity:.35;transition:transform var(--dur,220ms) var(--ease-bounce)}
/* 失联状态点 */
.card .st{position:absolute;top:10px;right:10px;width:7px;height:7px;border-radius:50%;
  animation:st-pulse 2.4s ease-in-out infinite;z-index:2}
.card .st-warn{background:var(--gold);box-shadow:0 0 0 3px color-mix(in srgb,var(--gold) 28%,transparent)}
.card .st-dead{background:#ff5a6e;box-shadow:0 0 0 3px color-mix(in srgb,#ff5a6e 28%,transparent)}
@keyframes st-pulse{50%{opacity:.5}}
.card:hover{transform:translateY(-6px) rotate(-1deg) scale(1.02);border-color:var(--pink);
  box-shadow:0 16px 32px rgba(240,68,127,.28)}
.card:hover::before{transform:scale(1.7)}
.card .crow{display:flex;align-items:center;gap:10px}
.card .favi-letter{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;flex-shrink:0;
  background:var(--grad-candy);color:#fff;font-family:var(--font-sys);font-weight:500;font-size:17px}
.card .nm{font-weight:500;font-size:17px;line-height:1.45}
.card .dmn{font-family:var(--font-sys);font-size:11.5px;color:var(--muted);font-weight:500;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card .desc{color:var(--muted);font-size:13.5px;line-height:1.75;margin-top:3px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .spark{position:absolute;right:13px;top:12px;font-size:14px;opacity:0;transform:scale(.4) rotate(0);
  transition:all var(--dur,220ms) var(--ease-bounce)}
.card:hover .spark{opacity:1;transform:scale(1.15) rotate(120deg)}

.card{opacity:0;transform:translateY(26px) rotate(1.6deg) scale(.95)}
.card.in{opacity:1;transform:none;
  transition:opacity .38s ease,transform .62s var(--ease-bounce),border-color var(--dur,200ms) ease,box-shadow var(--dur,200ms) ease;
  transition-delay:var(--d,0ms)}
.card.in:hover{transform:translateY(-6px) rotate(-1deg) scale(1.02);transition-delay:0ms}

.board{max-width:1120px;margin:0 auto;padding:56px 24px 8px}
.board .write{flex-shrink:0;font-size:15px;letter-spacing:.1em;
  color:#fff;background:var(--grad-main);background-size:200% 100%;padding:9px 24px;border-radius:99px;
  box-shadow:0 6px 16px rgba(160,110,232,.3);transition:all var(--dur,180ms) var(--ease-bounce);
  animation:gradflow 5s linear infinite}
.board .write:hover{transform:translateY(-3px) scale(1.05)}
.notes{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.note{position:relative;background:#fffdf5;border-radius:4px 18px 6px 16px;padding:22px 20px 14px;
  box-shadow:0 8px 22px rgba(160,110,232,.16);transform:rotate(var(--tilt,-1deg));
  transition:transform var(--dur,200ms) var(--ease-bounce),box-shadow var(--dur,200ms) ease}
html[data-theme="dark"] .note{background:#3a2d50;color:#f3e9f7}
.note:hover{transform:rotate(0) translateY(-5px) scale(1.02);box-shadow:0 16px 30px rgba(240,68,127,.22)}
.note::before{content:"";position:absolute;top:-9px;left:50%;transform:translateX(-50%) rotate(-2deg);
  width:86px;height:20px;background:rgba(255,190,220,.75);border-radius:2px;box-shadow:0 2px 5px rgba(0,0,0,.12)}
.note .n-nick{font-size:16.5px;color:var(--deep-pink)}
.note .n-time{font-family:var(--font-sys);font-size:11px;color:var(--muted);margin-left:9px}
.note .n-text{font-size:14px;color:var(--muted);margin:7px 0 10px;line-height:1.8;overflow-wrap:anywhere}
.note .n-url{display:block;font-family:var(--font-sys);font-size:12.5px;font-weight:500;color:var(--purple);
  word-break:break-all;border-top:2px dashed rgba(160,110,232,.25);padding-top:8px}
.note .n-url:hover{color:var(--deep-pink)}

/* ===== 关于卡片 ===== */
.about-section{max-width:1120px;margin:50px auto 0;padding:0 24px}
.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:900px;margin:0 auto}
.about-card{background:rgba(255,255,255,.65);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-radius:18px;border-left:4px solid var(--deep-pink);
  box-shadow:0 6px 24px rgba(160,110,232,.12);padding:24px 26px 20px;
  transition:transform var(--dur,200ms) var(--ease-bounce),box-shadow var(--dur,200ms) ease;
  animation:rise .7s .35s var(--ease-bounce) both}
.about-card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(240,68,127,.18)}
html[data-theme="dark"] .about-card{background:rgba(58,45,80,.7);border-left-color:var(--pink-soft)}
.about-card-hd{font-size:17px;font-weight:700;color:var(--deep-pink);
  margin-bottom:12px;display:flex;align-items:center;gap:8px}
.about-icon{font-size:20px}
.about-card-bd{font-size:14px;color:var(--muted);line-height:1.85;
  overflow-wrap:anywhere}

footer{margin-top:70px;position:relative;overflow:hidden;
  background:var(--grad-main);background-size:250% 100%;animation:gradflow 9s linear infinite;
  color:#fff;text-align:center;padding:34px 20px calc(26px + env(safe-area-inset-bottom,0px))}
footer::before{content:"🌸 🌸 🌸 🌸 🌸 🌸 🌸 🌸 🌸 🌸 🌸 🌸 🌸 🌸";
  position:absolute;top:6px;left:0;right:0;font-size:11px;letter-spacing:14px;opacity:.55}
footer .f-big{font-family:var(--font-disp);font-size:23px;letter-spacing:.14em;text-shadow:0 2px 10px rgba(0,0,0,.2)}
footer .f-row{font-weight:400;font-size:13.5px;opacity:.92;margin-top:6px;letter-spacing:.06em}
footer .f-icp{font-size:12px;opacity:.72;letter-spacing:.08em;
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:2px 10px}
footer .f-sep{opacity:.55}
footer .f-links{margin-top:12px;display:flex;justify-content:center;gap:10px;flex-wrap:wrap}
footer .f-links a,footer .f-links button{font-size:14.5px;letter-spacing:.1em;
  background:rgba(255,255,255,.22);border:1.5px solid rgba(255,255,255,.5);border-radius:99px;
  padding:7px 20px;color:#fff;transition:all var(--dur,180ms) var(--ease-bounce)}
footer .f-links a:hover,footer .f-links button:hover{background:#fff;color:var(--deep-pink);transform:translateY(-2px)}

.mask{position:fixed;inset:0;z-index:90;display:none;align-items:flex-start;justify-content:center;
  background:rgba(74,59,82,.4);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);padding:12vh 20px 20px}
.mask.open{display:flex;animation:fadein .18s ease}
@keyframes fadein{from{opacity:0}to{opacity:1}}
.modal{width:100%;max-width:600px;background:var(--card);border:3px solid var(--pink-soft);
  border-radius:26px;box-shadow:var(--shadow-2);overflow:hidden;animation:pop .35s var(--ease-bounce)}
.pal-input{width:100%;border:none;outline:none;background:transparent;color:var(--text);
  font-size:19px;font-weight:700;
  padding:19px 24px;border-bottom:2px dashed var(--border)}
.pal-input::placeholder{color:var(--faint);font-weight:500}
.pal-list{max-height:52vh;overflow-y:auto;padding:8px}
.pal-item{display:grid;grid-template-columns:22px 1fr auto;align-items:center;gap:12px;
  padding:11px 16px;border-radius:14px;cursor:pointer;transition:all var(--dur,140ms) ease}
.pal-item:hover,.pal-item.sel{background:var(--pink-soft);transform:translateX(4px)}
.pal-item .p-no{font-family:var(--font-sys);font-weight:500;font-size:11.5px;color:var(--muted);text-align:center}
.pal-item.sel .p-no{color:var(--deep-pink)}
.pal-item .p-name{font-weight:500;font-size:16.5px}
.pal-item .p-meta{font-family:var(--font-sys);font-size:11.5px;font-weight:500;color:var(--muted);
  max-width:210px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pal-empty{padding:36px;text-align:center;color:var(--muted);letter-spacing:.1em}
.pal-engines{border-top:2px dashed var(--border);display:flex;flex-wrap:wrap}
.pal-engines button{flex:1;min-width:110px;padding:13px 8px;font-weight:900;font-size:13.5px;
  color:var(--muted);border-right:1.5px dashed var(--border);transition:all var(--dur,140ms) ease}
.pal-engines button:last-child{border-right:none}
.pal-engines button:hover{color:#fff;background:var(--grad-candy)}

.form-body{padding:24px;display:flex;flex-direction:column;gap:13px}
.form-body h3{font-size:20px;letter-spacing:.1em}
.form-body h3 .e{display:inline-block;animation:saku-bob 2.4s ease-in-out infinite;margin-right:6px}
.form-body label{font-weight:900;font-size:13px;color:var(--muted);letter-spacing:.16em}
.form-body input,.form-body textarea{width:100%;border:2px solid var(--pink-soft);border-radius:14px;
  background:transparent;color:var(--text);font-family:inherit;font-size:15px;padding:11px 15px;
  outline:none;transition:border-color var(--dur,160ms) ease;resize:vertical}
.form-body input:focus,.form-body textarea:focus{border-color:var(--pink)}
.form-status{font-size:13px;font-weight:700;color:var(--muted);min-height:18px}
.form-actions{display:flex;justify-content:flex-end;gap:11px}

body.lock{overflow:hidden}

.dm-toggle-row{display:flex;align-items:center;gap:10px;margin-bottom:4px}
.dm-toggle-row .dm-lbl{font-weight:900;font-size:14px;color:var(--text)}
.dm-toggle-row .dm-lbl small{font-weight:700;font-size:12px;color:var(--muted)}
.dm-switch{position:relative;display:inline-block;width:44px;height:24px;flex-shrink:0;cursor:pointer}
.dm-switch input{opacity:0;width:0;height:0}
.dm-switch .sl{position:absolute;inset:0;border-radius:99px;background:var(--pink-soft);transition:background var(--dur,180ms) ease}
.dm-switch .sl::before{content:'';position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;
  background:#fff;box-shadow:0 2px 5px rgba(0,0,0,.18);transition:transform var(--dur,180ms) var(--ease-bounce)}
.dm-switch input:checked + .sl{background:var(--grad-main)}
.dm-switch input:checked + .sl::before{transform:translateX(20px)}
.btn-candy{font-size:15px;letter-spacing:.1em;padding:9px 24px;
  border-radius:99px;border:2px solid var(--border);transition:all var(--dur,180ms) var(--ease-bounce)}
.btn-candy:hover{transform:translateY(-2px)}
.btn-candy.primary{color:#fff;background:var(--grad-main);background-size:200% 100%;border:none;
  box-shadow:0 6px 14px rgba(240,68,127,.3)}
.btn-candy.primary:hover{transform:translateY(-2px) scale(1.04)}

.reward-body{padding:28px;display:flex;flex-direction:column;align-items:center;gap:15px;text-align:center}
.reward-qr{width:180px;height:180px;border-radius:18px;background:#fff;padding:10px;
  border:3px solid var(--pink-soft);box-shadow:var(--shadow-1)}
.reward-qr img{width:100%;height:100%;display:block}
.reward-tip{font-size:15px;color:var(--muted);letter-spacing:.1em;line-height:2}
.reward-tip b{color:var(--deep-pink)}

.backtop{position:fixed;right:24px;bottom:calc(24px + env(safe-area-inset-bottom,0px));z-index:70;width:46px;height:46px;border-radius:50%;
  background:var(--grad-candy);color:#fff;font-size:20px;display:grid;place-items:center;
  box-shadow:0 8px 20px rgba(240,68,127,.35);opacity:0;pointer-events:none;transform:translateY(10px) scale(.8);
  transition:all var(--dur,260ms) var(--ease-bounce)}
.backtop.show{opacity:1;pointer-events:auto;transform:none}
.backtop:hover{transform:translateY(-4px) scale(1.1) rotate(-8deg)}
.backtop.launch{animation:bt-launch .75s var(--ease-bounce)}
@keyframes bt-launch{35%{transform:translateY(-18px) scale(1.2) rotate(-12deg)}70%{transform:translateY(2px) scale(.96)}}
.fly{position:fixed;z-index:120;pointer-events:none;font-size:14px;will-change:transform,opacity}
.burst-p{position:fixed;z-index:120;pointer-events:none;font-size:15px;will-change:transform,opacity}

html.rainbow{animation:rainbow-filter 2.4s linear infinite}
@keyframes rainbow-filter{to{filter:hue-rotate(360deg)}}

@media (max-width:760px){
  main{padding:0 16px}
  .topnav{padding:0 10px;gap:5px}
  .nav-pill{font-size:12.5px;padding:7px 11px}
  .logo{font-size:16px;margin-right:6px}
  /* 顶栏按钮收进菜单 */
  .nav-solo{display:none}
  .nav-right{gap:5px;margin-left:3px}
  .cards{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
  .mascot-zone{display:none}   /* 移动端遮挡内容，隐藏；桌面保留 */
  .mascot{height:80px}
  .bubble{display:none}
  .search .kbd{display:none}
  .hero{padding-top:calc(var(--nav-h) + 30px)}
  .danmaku{display:none}
  /* 紧凑化 */
  .hero h1{font-size:25px;line-height:1.25}
  .hero .sub{font-size:12px;letter-spacing:.1em}
  .hero-emoji{font-size:18px}
  .search{padding:10px 18px;gap:9px}
  .search .ph{font-size:13.5px}
  .search .mag{font-size:16px}
  /* 快捷链接 */
  .candy{font-size:13px;padding:8px 13px;gap:6px;line-height:1}
  .board{padding:38px 16px 4px}
  .board .write{font-size:12.5px;padding:6px 14px}
  .chapter{padding:30px 0 4px}
  .ch-head{gap:10px;margin-bottom:12px}
  .ch-badge{width:34px;height:34px;font-size:16px;border-radius:12px;border-width:2px}
  .ch-title{font-size:18px}
  .ch-count{font-size:11px;padding:2px 10px}
  .menu-wrap .nav-btn{width:34px;height:34px}
  .cards{gap:10px}
  .card{padding:12px 12px 10px}
  .card .crow{align-items:flex-start;gap:8px}
  .card .favi-letter{width:28px;height:28px;border-radius:9px;font-size:14px}
  .card .nm{font-size:14.5px;line-height:1.35}
  .card .dmn{font-size:10.5px}
  .card .desc{font-size:12px;line-height:1.6;margin-top:2px}
  .notes{gap:12px}
  .note{padding:16px 14px 10px}
  .note .n-text{font-size:13px;line-height:1.6;margin:6px 0 8px}
  .note .n-nick{font-size:14.5px}
  .about-section{margin-top:36px;padding:0 16px}
  .about-cards{grid-template-columns:1fr;gap:14px}
  .about-card{padding:18px 16px 14px;border-left-width:3px}
  .about-card-hd{font-size:15.5px;margin-bottom:8px}
  .about-card-bd{font-size:13px;line-height:1.75}
  footer{padding:18px 12px calc(24px + env(safe-area-inset-bottom,0px))}
  footer .f-big,footer .f-slogan{display:none}
  footer .f-row{font-size:11.5px;margin-top:4px;line-height:1.5}
  footer .f-icp{font-size:inherit}
  footer .f-icp,footer .f-icp *{font-size:11.5px!important;font-weight:400!important}
  footer .f-links{margin-top:8px;gap:6px}
  footer .f-links a,footer .f-links button{font-size:11.5px;padding:5px 10px}
  .notes{grid-template-columns:1fr}
}


/* ===== 超窄屏 ===== */
@media (max-width:380px){
  main{padding:0 12px}
  .board{padding-left:12px;padding-right:12px}
  .about-section{padding-left:12px;padding-right:12px}
  .cards{grid-template-columns:repeat(auto-fill,minmax(138px,1fr));gap:10px}
  .topnav{padding:0 8px;gap:4px}
  .logo{font-size:16px}
  .backtop{right:14px}
}

/* ===== 触屏设备 ===== */
@media (hover:none){
  .nav-pill:hover,.nav-btn:hover,.dd-item:hover,.search:hover,.candy:hover,
  .card.in:hover,.board .write:hover,.pal-item:hover,.btn-candy:hover,
  footer .f-links a:hover,footer .f-links button:hover{transform:none}
  .card:hover,.note:hover{transform:none;box-shadow:var(--shadow-1)}
  .card:hover{border-color:var(--pink-soft)}
  .card:hover::before{transform:none}
  .card:hover .spark{opacity:0;transform:none}
  .backtop:hover{transform:translateY(0) scale(1)}
}

/* ===== 减弱动态效果 ===== */
@media (prefers-reduced-motion:reduce){
  *:not(.dm),*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

/* ===== 横屏矮屏 ===== */
@media (max-height:480px) and (orientation:landscape){
  .mask{align-items:flex-start;padding-top:5vh}
  .pal-list{max-height:38vh}
}

[lang="ja"]{font-family:var(--font-sys)}