/* 鲸岛AI · 鲸落星屿夜航灯塔 · 跟喜欢的角色尽情冒险 */
*{margin:0;padding:0;box-sizing:border-box}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button{font:inherit;background:none;border:0;cursor:pointer}
:root{
  --ink:#eef1ff;
  --ink-2:#a7aecb;
  --deep:#070b18;
  --sea:#0d1430;
  --sea2:#131b3d;
  --violet:#8b5cf6;
  --violet-d:#6d3fd4;
  --violet-t:rgba(139,92,246,.14);
  --coral:#ff5e8a;
  --coral-t:rgba(255,94,138,.12);
  --line:rgba(238,241,255,.12);
  --line-v:rgba(139,92,246,.35);
}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;background:var(--deep);color:var(--ink);line-height:1.75;overflow-x:hidden}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.sec-kick{font-size:13px;letter-spacing:.26em;font-weight:700;color:var(--coral)}
.sec-h{max-width:740px;margin-bottom:44px}
.sec-h h2{font-size:clamp(26px,3.4vw,38px);line-height:1.3;margin:8px 0 12px;letter-spacing:.02em}
.sec-sub{color:var(--ink-2);font-size:15.5px}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-weight:700;transition:transform .2s,box-shadow .2s,background .2s,color .2s;white-space:nowrap}
.btn-pri{background:linear-gradient(115deg,var(--violet),var(--violet-d));color:#fff;box-shadow:0 12px 30px -12px rgba(139,92,246,.6)}
.btn-pri:hover{transform:translateY(-2px);box-shadow:0 18px 38px -14px rgba(255,94,138,.5)}
.btn-ghost{border:1.5px solid var(--line-v);color:var(--ink)}
.btn-ghost:hover{border-color:var(--coral);color:var(--coral)}
.btn-lg{padding:14px 34px;font-size:16px}
.hd-cta{padding:9px 22px;font-size:14px}

/* ============ 顶部导航 ============ */
.hd{position:sticky;top:0;z-index:50;background:rgba(7,11,24,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;justify-content:space-between;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{border-radius:10px}
.brand-t{display:flex;flex-direction:column;line-height:1.2}
.brand-t strong{font-size:19px;letter-spacing:.03em}
.brand-t small{font-size:11px;color:var(--violet);letter-spacing:.16em}
.nav{display:flex;gap:4px}
.nav a{padding:8px 13px;border-radius:999px;font-size:14.5px;color:var(--ink-2);transition:color .2s,background .2s}
.nav a:hover{color:var(--violet)}
.nav a.on{color:#fff;background:var(--violet-d)}
.hd-r{display:flex;align-items:center;gap:12px}
.burger{display:none;flex-direction:column;gap:5px;padding:8px}
.burger span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s,opacity .25s}
.burger.on span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 英雄区：鲸落星屿 ============ */
.hero{position:relative;padding:88px 0 104px;overflow:hidden}
.moon{position:absolute;top:-140px;right:6%;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle at 42% 38%,rgba(238,241,255,.16) 0 8%,rgba(139,92,246,.22) 26%,rgba(139,92,246,0) 68%);pointer-events:none}
.wave{position:absolute;left:-6%;right:-6%;height:220px;border-radius:48% 52% 0 0/100% 100% 0 0;pointer-events:none}
.wave-a{bottom:-140px;background:linear-gradient(180deg,rgba(139,92,246,.10),rgba(139,92,246,0))}
.wave-b{bottom:-180px;background:linear-gradient(180deg,rgba(255,94,138,.07),rgba(255,94,138,0));transform:translateX(4%)}
.hero-in{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:62px;align-items:center}
.kick{display:flex;align-items:center;gap:9px;font-size:13px;letter-spacing:.22em;font-weight:700;color:var(--coral)}
.kick-beacon{width:10px;height:10px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 0 rgba(255,94,138,.5);animation:beacon 2.4s ease-out infinite}
@keyframes beacon{0%{box-shadow:0 0 0 0 rgba(255,94,138,.5)}70%{box-shadow:0 0 0 14px rgba(255,94,138,0)}100%{box-shadow:0 0 0 0 rgba(255,94,138,0)}}
.hero-l h1{font-size:clamp(56px,7vw,84px);line-height:1.04;letter-spacing:.02em;background:linear-gradient(120deg,#c9b3ff 10%,var(--violet) 55%,var(--coral) 105%);-webkit-background-clip:text;background-clip:text;color:transparent;margin:10px 0 6px}
.hero-slogan{font-size:clamp(20px,2.4vw,27px);font-weight:700;line-height:1.45}
.hero-slogan em{font-style:normal;color:var(--coral);border-bottom:3px solid var(--violet)}
.lead{margin:16px 0 26px;color:var(--ink-2);font-size:15.5px;max-width:520px}
.hero-acts{display:flex;gap:14px;flex-wrap:wrap}
.hero-points{display:flex;gap:32px;margin-top:36px}
.hero-points li{font-size:14px;color:var(--ink-2);border-left:3px solid var(--violet);padding-left:12px;line-height:1.5}
.hero-points li:nth-child(2){border-left-color:var(--coral)}
.hero-points li:nth-child(3){border-left-color:var(--violet)}
.hero-points b{display:block;font-size:24px;color:var(--ink);line-height:1.2}
.hero-r{position:relative;min-height:540px;display:flex;justify-content:center}
.sea{position:absolute;inset:10% 6% 4%;border-radius:46% 54% 58% 42% / 52% 46% 54% 48%;background:radial-gradient(ellipse at 50% 80%,rgba(139,92,246,.22) 0%,rgba(13,20,48,.4) 62%,transparent 78%);border:1.5px dashed var(--line-v)}
.hero-shot{position:relative;z-index:2;width:min(320px,72%);border-radius:34px;overflow:hidden;border:5px solid rgba(238,241,255,.9);box-shadow:-18px 34px 64px -20px rgba(139,92,246,.45)}
.buoy{position:absolute;z-index:3;background:var(--sea2);border:1px solid var(--line-v);border-radius:16px;padding:10px 16px;line-height:1.4}
.buoy b{display:block;font-size:13.5px;color:var(--violet)}
.buoy span{font-size:12px;color:var(--ink-2)}
.buoy-a{top:8%;left:-3%;box-shadow:0 14px 34px -14px rgba(7,11,24,.8)}
.buoy-b{bottom:9%;right:-3%;box-shadow:0 10px 28px -10px rgba(255,94,138,.35)}
.buoy-b b{color:var(--coral)}

/* ============ 潮汐数据带 ============ */
.stats{padding:0 0 92px}
.st-in{background:linear-gradient(118deg,var(--violet-d) 0%,var(--violet) 46%,var(--coral) 130%);border-radius:28px;display:grid;grid-template-columns:repeat(4,1fr);box-shadow:0 26px 52px -22px rgba(139,92,246,.55)}
.st{padding:30px 18px;text-align:center;color:#fff;position:relative}
.st+.st::before{content:"";position:absolute;left:0;top:26%;height:48%;width:1px;background:rgba(255,255,255,.35)}
.st b{display:block;font-size:clamp(26px,3vw,36px);line-height:1.15;font-variant-numeric:tabular-nums}
.st span{font-size:13.5px;opacity:.92}

/* ============ 角色群岛 ============ */
.roles{padding:94px 0;background:var(--sea);border-top:1px solid var(--line)}
.rl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rl-card{background:var(--deep);border:1px solid var(--line);border-top:4px solid var(--violet);border-radius:22px;padding:24px 24px 26px}
.rl-rise{transform:translateY(26px)}
.rl-rise.rv.in{transform:translateY(26px)}
.rl-card.rv.in{transform:none}
.rl-rise.rv.in{transform:translateY(26px)}
.rl-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.rl-ava{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:21px;font-weight:700;color:#fff}
.ra-a{background:linear-gradient(135deg,var(--violet),#a98bff)}
.ra-b{background:linear-gradient(135deg,var(--coral),#ff8cae)}
.ra-c{background:linear-gradient(135deg,#4a6fd8,var(--violet))}
.ra-d{background:linear-gradient(135deg,var(--violet-d),var(--coral))}
.ra-e{background:linear-gradient(135deg,#9a7bff,var(--violet-d))}
.ra-f{background:linear-gradient(135deg,#e04d78,var(--violet))}
.rl-badge{font-size:11px;font-weight:700;letter-spacing:.14em;padding:4px 11px;border-radius:999px}
.rb-hot{color:var(--coral);background:var(--coral-t);border:1px solid rgba(255,94,138,.4)}
.rb-top{color:var(--violet);background:var(--violet-t);border:1px solid var(--line-v)}
.rb-new{color:var(--ink);background:rgba(238,241,255,.08);border:1px solid var(--line)}
.rl-card h3{font-size:21px;margin-bottom:4px}
.rl-tag{font-size:12.5px;color:var(--coral);margin-bottom:10px;letter-spacing:.04em}
.rl-txt{font-size:14px;color:var(--ink-2);line-height:1.8}

/* ============ 角色档案 ============ */
.story{padding:96px 0}
.story-in{display:grid;grid-template-columns:.92fr 1.08fr;gap:58px;align-items:center}
.story-shot{position:relative;width:min(320px,80%);border-radius:30px;overflow:hidden;border:5px solid rgba(238,241,255,.9);box-shadow:16px 30px 56px -24px rgba(255,94,138,.4)}
.story-shot figcaption{position:absolute;left:14px;bottom:14px;background:rgba(7,11,24,.78);color:#fff;font-size:12px;padding:5px 13px;border-radius:999px}
.file-card{background:var(--sea);border:1px solid var(--line-v);border-left:5px solid var(--violet);border-radius:20px;padding:22px 24px;margin-bottom:22px;box-shadow:0 20px 44px -26px rgba(7,11,24,.9)}
.fc-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.fc-name{font-size:22px;font-weight:700}
.fc-meta{font-size:12.5px;color:var(--ink-2)}
.fc-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.fc-tags span{font-size:12px;color:var(--violet);background:var(--violet-t);border:1px solid var(--line-v);border-radius:999px;padding:4px 12px}
.fc-txt{font-size:14.5px;color:var(--ink);line-height:1.85}
.fc-warn{margin-top:10px;font-size:13px;color:var(--coral);background:var(--coral-t);border-radius:12px;padding:9px 14px}
.story-points{display:flex;flex-direction:column;gap:12px}
.story-points li{font-size:14.5px;color:var(--ink-2);border-left:3px solid var(--coral);padding-left:14px;line-height:1.6}
.story-points li:nth-child(2){border-left-color:var(--violet)}
.story-points li:nth-child(3){border-left-color:var(--coral)}

/* ============ 夜聊现场 ============ */
.chat{padding:94px 0;background:linear-gradient(180deg,var(--sea),var(--deep) 72%);border-top:1px solid var(--line)}
.chat-in{display:grid;grid-template-columns:1.12fr .88fr;gap:40px;align-items:start}
.chat-cabin{background:var(--sea2);border:1px solid var(--line-v);border-radius:26px;padding:26px 24px;display:flex;flex-direction:column;gap:16px;box-shadow:-14px 26px 50px -22px rgba(139,92,246,.4)}
.msg{max-width:86%;font-size:14.5px;line-height:1.7}
.msg p{padding:12px 16px;border-radius:18px}
.msg time{display:block;font-size:11.5px;color:var(--ink-2);margin-top:5px}
.msg-who{display:block;font-size:12px;font-weight:700;color:var(--violet);margin-bottom:5px;letter-spacing:.06em}
.msg-l{align-self:flex-start}
.msg-l p{background:var(--violet-t);border:1px solid var(--line-v);border-bottom-left-radius:6px;color:var(--ink)}
.msg-r{align-self:flex-end;text-align:right}
.msg-r p{background:linear-gradient(120deg,var(--violet),var(--violet-d));color:#fff;border-bottom-right-radius:6px}
.msg-v{align-self:flex-start;display:flex;align-items:center;gap:10px;background:var(--violet-t);border:1px solid var(--line-v);border-radius:999px;padding:10px 18px}
.vc-ico{color:var(--coral);font-size:13px}
.vc-bar{width:96px;height:4px;border-radius:4px;background:repeating-linear-gradient(90deg,var(--violet) 0 6px,transparent 6px 10px)}
.vc-len{font-size:12.5px;color:var(--ink-2)}
.chat-side{display:flex;flex-direction:column;gap:18px;margin-top:14px}
.cs-card{background:var(--sea);border:1px solid var(--line);border-radius:18px;padding:18px 20px}
.cs-card b{display:block;font-size:15px;color:var(--coral);margin-bottom:6px}
.cs-card p{font-size:13.5px;color:var(--ink-2);line-height:1.7}
.cs-alt{margin-left:30px;border-left:4px solid var(--coral)}
.cs-card:not(.cs-alt){border-left:4px solid var(--violet)}

/* ============ 每日签到 ============ */
.sign{padding:96px 0}
.sign-in{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}
.sign-days{display:grid;grid-template-columns:repeat(7,1fr);gap:10px;margin:8px 0 20px}
.sd{background:var(--sea);border:1px solid var(--line);border-radius:14px;padding:12px 6px;text-align:center;line-height:1.4}
.sd b{display:block;font-size:13px;color:var(--ink-2)}
.sd span{font-size:12px;color:var(--ink-2)}
.sd.on{background:var(--violet-t);border-color:var(--line-v)}
.sd.on b{color:var(--violet)}
.sd.on span{color:var(--violet)}
.sd-big{background:linear-gradient(140deg,var(--violet),var(--coral));border-color:transparent}
.sd-big b,.sd-big span{color:#fff}
.sign-tip{font-size:13.5px;color:var(--ink-2);border:1px dashed var(--line-v);border-radius:14px;padding:12px 16px;background:var(--violet-t)}
.sign-shot{position:relative;width:min(310px,78%);margin-left:auto;border-radius:30px;overflow:hidden;border:5px solid rgba(238,241,255,.9);box-shadow:20px 28px 52px -22px rgba(139,92,246,.5)}
.sign-shot figcaption{position:absolute;left:14px;bottom:14px;background:rgba(7,11,24,.78);color:#fff;font-size:12px;padding:5px 13px;border-radius:999px}

/* ============ 风向分类带 ============ */
.cate{padding:92px 0;background:var(--sea);border-top:1px solid var(--line)}
.ct-wall{display:flex;flex-wrap:wrap;gap:14px}
.ct{font-size:14px;color:var(--ink-2);background:var(--deep);border:1px solid var(--line);border-radius:999px;padding:9px 20px;transition:border-color .2s,color .2s}
.ct:hover{border-color:var(--violet);color:var(--violet)}
.ct-hot{color:var(--coral);border-color:rgba(255,94,138,.45);background:var(--coral-t)}
.ct-big{font-size:17px;font-weight:700;color:var(--violet);border-color:var(--line-v);background:var(--violet-t);padding:11px 26px}

/* ============ 应用画面 ============ */
.shots{padding:96px 0}
.shot-row{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;align-items:start}
.sh{position:relative;border-radius:26px;overflow:hidden;border:5px solid rgba(238,241,255,.9)}
.sh img{width:100%}
.sh figcaption{position:absolute;left:14px;bottom:14px;background:rgba(7,11,24,.78);color:#fff;font-size:12.5px;padding:6px 14px;border-radius:999px}
.sh-a{box-shadow:-16px 30px 54px -24px rgba(255,94,138,.42)}
.sh-b{transform:translateY(34px);box-shadow:0 24px 48px -18px rgba(139,92,246,.5)}
.sh-b.rv.in{transform:translateY(34px)}
.sh-c{box-shadow:16px 34px 58px -26px rgba(7,11,24,.85)}

/* ============ 常见问题 ============ */
.faq{padding:94px 0;background:var(--sea);border-top:1px solid var(--line)}
.acc-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.acc-item{background:var(--deep);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.acc-item.on{border-color:var(--line-v);box-shadow:0 18px 40px -24px rgba(139,92,246,.5)}
.acc-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;text-align:left;padding:18px 22px;font-size:15.5px;font-weight:700;color:var(--ink)}
.acc-q i{flex:none;width:12px;height:12px;border-right:2px solid var(--violet);border-bottom:2px solid var(--violet);transform:rotate(45deg);transition:transform .25s}
.acc-item.on .acc-q i{transform:rotate(225deg)}
.acc-item.on .acc-q{color:var(--violet)}
.acc-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.acc-item.on .acc-a{max-height:300px}
.acc-a p{padding:0 22px 20px;font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* ============ 岛民留言 ============ */
.notes{padding:96px 0}
.note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.nt{background:var(--sea);border:1px solid var(--line);border-top:4px solid var(--coral);border-radius:20px;padding:22px 24px;display:flex;flex-direction:column;gap:14px}
.nt-rise{transform:translateY(24px)}
.nt-rise.rv.in{transform:translateY(24px)}
.nt-txt{font-size:14.5px;line-height:1.85;color:var(--ink)}
.nt footer{display:flex;align-items:center;justify-content:space-between;border-top:1px dashed var(--line);padding-top:12px}
.nt footer b{font-size:13.5px;color:var(--violet)}
.nt footer time{font-size:12px;color:var(--ink-2)}

/* ============ 登船口下载区 ============ */
.download{padding:50px 0 110px}
.dl-dock{position:relative;overflow:hidden;text-align:center;background:linear-gradient(135deg,var(--sea2) 0%,var(--violet-d) 55%,var(--coral) 135%);border:1px solid var(--line-v);border-radius:32px;padding:64px 32px 58px;box-shadow:0 30px 64px -26px rgba(255,94,138,.45)}
.beam{position:absolute;top:-40%;left:50%;width:340px;height:180%;transform:translateX(-50%) rotate(18deg);background:linear-gradient(180deg,rgba(238,241,255,.14),rgba(238,241,255,0));pointer-events:none}
.dl-kick{position:relative;font-size:13px;letter-spacing:.3em;font-weight:700;color:#ffd9e4}
.dl-dock h2{position:relative;font-size:clamp(26px,3.6vw,40px);color:#fff;margin:10px 0 14px}
.dl-sub{position:relative;max-width:560px;margin:0 auto 30px;color:rgba(255,255,255,.88);font-size:15.5px}
.btn-dl{position:relative;background:#fff;color:var(--violet-d);padding:16px 44px;font-size:17px;box-shadow:0 16px 36px -14px rgba(7,11,24,.6)}
.btn-dl:hover{transform:translateY(-2px);box-shadow:0 22px 44px -16px rgba(7,11,24,.7)}
.dl-note{position:relative;margin-top:18px;font-size:13px;color:rgba(255,255,255,.75)}

/* ============ 页脚 ============ */
.ft{border-top:1px solid var(--line);background:var(--sea)}
.ft-in{display:flex;align-items:flex-start;justify-content:space-between;gap:30px;padding:44px 24px 30px;flex-wrap:wrap}
.ft-brand p{margin-top:12px;font-size:13.5px;color:var(--ink-2);max-width:320px}
.ft-nav{display:flex;gap:18px;flex-wrap:wrap}
.ft-nav a{font-size:14px;color:var(--ink-2)}
.ft-nav a:hover{color:var(--violet)}
.ft-base{border-top:1px solid var(--line);padding-top:18px;padding-bottom:26px;text-align:center}
.ft-icp{font-size:12.5px;color:var(--ink-2)}
.ft-copy{font-size:12.5px;color:var(--ink-2);margin-top:4px}

/* ============ 悬浮投诉 & 返回顶部 ============ */
.float-complaint{position:fixed;right:24px;bottom:220px;z-index:60;width:62px;padding:10px 0;background:linear-gradient(150deg,var(--coral),#e04d78);color:#fff;font-size:13px;font-weight:700;line-height:1.35;text-align:center;border-radius:14px;box-shadow:0 12px 28px -10px rgba(255,94,138,.55)}
.float-complaint:hover{transform:translateY(-2px)}
.backtop{position:fixed;right:24px;bottom:160px;z-index:60;width:46px;height:46px;border-radius:50%;background:var(--sea2);border:1px solid var(--line-v);color:var(--violet);font-size:19px;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;box-shadow:0 10px 26px -12px rgba(7,11,24,.8)}
.backtop.show{opacity:1;pointer-events:auto}
.backtop:hover{transform:translateY(-2px);color:var(--coral)}

/* ============ 入场动画 ============ */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
.rl-rise.rv.in{transform:translateY(26px)}
.sh-b.rv.in{transform:translateY(34px)}
.nt-rise.rv.in{transform:translateY(24px)}

/* ============ 响应式 ============ */
@media (max-width:960px){
  .hero-in,.story-in,.sign-in,.chat-in{grid-template-columns:1fr}
  .hero-r{min-height:0;margin-top:44px}
  .st-in{grid-template-columns:repeat(2,1fr)}
  .st:nth-child(3)::before{display:none}
  .rl-grid,.note-grid,.shot-row{grid-template-columns:repeat(2,1fr)}
  .rl-rise.rv.in,.nt-rise.rv.in{transform:none}
  .sh-b.rv.in{transform:none}
  .sign-shot{margin:0 auto}
  .story-shot{margin:0 auto}
  .acc-list{grid-template-columns:1fr}
  .sign-days{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:620px){
  .nav{position:fixed;top:68px;left:0;right:0;flex-direction:column;background:rgba(7,11,24,.97);border-bottom:1px solid var(--line);padding:14px 20px 20px;gap:6px;display:none}
  .nav.open{display:flex}
  .burger{display:flex}
  .hd-cta{display:none}
  .hero{padding:56px 0 72px}
  .hero-points{gap:18px;flex-wrap:wrap}
  .rl-grid,.note-grid,.shot-row{grid-template-columns:1fr}
  .st-in{grid-template-columns:1fr 1fr}
  .sign-days{grid-template-columns:repeat(4,1fr)}
  .buoy-a{left:2%}
  .buoy-b{right:2%}
  .float-complaint{right:18px;bottom:204px;width:56px;font-size:12px}
  .backtop{right:18px;width:42px;height:42px}
}