/* ==========================================================================
   深海秘境 官网  —  卡通 Q 版 · 多巴胺配色 · 深海主题
   ========================================================================== */

:root{
    --pink:#FF4D9D;
    --orange:#FF8A3D;
    --yellow:#FFD93D;
    --mint:#4DFFB8;
    --cyan:#22E0F5;
    --blue:#4DA6FF;
    --purple:#7C4DFF;
    --deep:#08284A;
    --deep2:#0E3E68;
    --ink:#0B2A4A;
    --ink-soft:#5A7FA3;
    --paper:#F4FCFF;
    --card:#FFFFFF;
    --radius:26px;
    --shadow:0 18px 40px rgba(11,42,74,.12);
    --shadow-lg:0 30px 70px rgba(11,42,74,.18);
    --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
    font-family:var(--font);
    color:var(--ink);
    background:var(--paper);
    line-height:1.65;
    overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
.wrap{width:min(1180px,92vw);margin-inline:auto}

/* ---------- 通用按钮 ---------- */
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:10px;
    padding:15px 34px;border:0;border-radius:999px;cursor:pointer;
    font-size:17px;font-weight:800;letter-spacing:.5px;color:#fff;
    background:linear-gradient(135deg,var(--pink),var(--orange));
    box-shadow:0 12px 26px rgba(255,77,157,.36);
    transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
    -webkit-tap-highlight-color:transparent;
}
.btn:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 18px 34px rgba(255,77,157,.45)}
.btn:active{transform:translateY(0) scale(.99)}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.btn--cyan{background:linear-gradient(135deg,var(--cyan),var(--blue));box-shadow:0 12px 26px rgba(34,224,245,.36)}
.btn--mint{background:linear-gradient(135deg,var(--mint),var(--cyan));box-shadow:0 12px 26px rgba(77,255,184,.36);color:#04443a}
.btn--ghost{
    background:rgba(255,255,255,.78);color:var(--ink);
    border:2px solid rgba(11,42,74,.14);
    box-shadow:0 12px 26px rgba(11,42,74,.12);
    backdrop-filter:blur(8px);
}
.btn--block{width:100%}

/* ---------- 顶部导航 ---------- */
.nav{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.82);
    backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(11,42,74,.07);
}
.nav__in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:74px}
.logo{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:900;letter-spacing:1px}
.logo__mark{
    width:44px;height:44px;border-radius:14px;flex:0 0 auto;
    background:linear-gradient(135deg,var(--cyan),var(--purple));
    display:grid;place-items:center;color:#fff;font-size:20px;font-weight:900;
    box-shadow:0 8px 18px rgba(124,77,255,.35);
}
.logo__txt{background:linear-gradient(135deg,var(--pink),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav__links{display:flex;align-items:center;gap:6px}
.nav__links a{
    padding:9px 16px;border-radius:999px;font-size:15px;font-weight:700;color:var(--ink-soft);
    transition:background .18s ease,color .18s ease;
}
.nav__links a:hover{background:rgba(34,224,245,.14);color:var(--ink)}
.nav__cta{padding:11px 24px;font-size:15px}
.nav__burger{display:none;width:44px;height:44px;border-radius:12px;border:0;background:rgba(11,42,74,.06);cursor:pointer;font-size:20px}

/* ---------- 第一个标题卡：Hero ---------- */
.hero{
    position:relative;overflow:hidden;
    padding:70px 0 200px;
    background:
        radial-gradient(900px 520px at 12% 8%,rgba(255,217,61,.34),transparent 62%),
        radial-gradient(760px 520px at 88% 4%,rgba(124,77,255,.28),transparent 60%),
        radial-gradient(800px 600px at 60% 96%,rgba(34,224,245,.34),transparent 65%),
        linear-gradient(170deg,#EAF9FF 0%,#DFF3FF 42%,#CBEBFF 100%);
}
.hero__bubbles{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero__bubbles i{
    position:absolute;bottom:-140px;border-radius:50%;
    background:radial-gradient(circle at 32% 30%,rgba(255,255,255,.95),rgba(255,255,255,.22) 62%,rgba(255,255,255,.06));
    box-shadow:inset 0 0 14px rgba(255,255,255,.7);
    animation:rise linear infinite;
}
@keyframes rise{
    0%{transform:translateY(0) scale(.6);opacity:0}
    12%{opacity:.85}
    100%{transform:translateY(-120vh) scale(1.15);opacity:0}
}
.hero__in{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:center}
.hero__tag{
    display:inline-flex;align-items:center;gap:9px;
    padding:9px 20px;border-radius:999px;font-size:14px;font-weight:800;color:#06506b;
    background:linear-gradient(135deg,rgba(77,255,184,.55),rgba(34,224,245,.5));
    border:2px solid rgba(255,255,255,.9);
    box-shadow:0 8px 20px rgba(34,224,245,.26);
}
.hero h1{
    margin:22px 0 18px;font-size:clamp(38px,5.6vw,68px);line-height:1.1;font-weight:900;letter-spacing:1px;
}
.hero h1 .grad{
    background:linear-gradient(120deg,var(--pink) 6%,var(--purple) 48%,var(--cyan) 92%);
    -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{font-size:clamp(16px,1.55vw,19px);color:var(--ink-soft);max-width:560px;font-weight:600}
.hero__acts{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero__stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px}
.hero__stat{
    flex:1 1 150px;padding:18px 20px;border-radius:20px;
    background:rgba(255,255,255,.72);border:2px solid rgba(255,255,255,.95);
    box-shadow:var(--shadow);backdrop-filter:blur(8px);
}
.hero__stat b{display:block;font-size:26px;font-weight:900;
    background:linear-gradient(135deg,var(--pink),var(--orange));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__stat span{font-size:13px;color:var(--ink-soft);font-weight:700}

.hero__art{position:relative;display:grid;place-items:center;min-height:380px}
.mascot-card{
    width:min(400px,86%);aspect-ratio:1 / .93;
    border-radius:38px;overflow:hidden;
    background:#FBF5EC;border:4px solid #fff;
    box-shadow:0 30px 62px rgba(11,42,74,.24);
    animation:float 5.5s ease-in-out infinite;
}
.mascot-card img{width:100%;height:100%;object-fit:cover;object-position:center 14%}
@keyframes float{0%,100%{transform:translateY(0) rotate(-1.2deg)}50%{transform:translateY(-20px) rotate(1.2deg)}}
.hero__art .deco{position:absolute;pointer-events:none}
.hero__art .deco--star1{top:2%;left:2%;width:52px;animation:spin 9s linear infinite}
.hero__art .deco--star2{bottom:8%;right:2%;width:38px;animation:spin 12s linear infinite reverse}
.hero__art .deco--coin{bottom:2%;left:6%;width:60px;animation:float 4.2s ease-in-out infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- 注册卡 ---------- */
.register{position:relative;margin-top:-150px;z-index:5;padding-bottom:80px}
.register__card{
    display:grid;grid-template-columns:1.02fr .98fr;overflow:hidden;
    border-radius:32px;background:var(--card);box-shadow:var(--shadow-lg);
    border:3px solid #fff;
}
.register__aside{
    position:relative;padding:44px 40px;color:#fff;
    background:linear-gradient(150deg,var(--purple),var(--blue) 48%,var(--cyan));
}
.register__aside::after{
    content:"";position:absolute;inset:0;opacity:.5;
    background:radial-gradient(420px 300px at 82% 12%,rgba(255,255,255,.4),transparent 62%),
               radial-gradient(360px 300px at 8% 92%,rgba(255,217,61,.44),transparent 60%);
}
.register__aside>*{position:relative;z-index:2}
.register__aside h2{font-size:28px;font-weight:900;letter-spacing:.6px;margin-bottom:12px}
.register__aside p{color:rgba(255,255,255,.92);font-weight:600;font-size:15px}
.reward{
    display:flex;align-items:center;gap:14px;margin:26px 0;
    padding:18px 20px;border-radius:20px;
    background:rgba(255,255,255,.2);border:2px dashed rgba(255,255,255,.72);
}
.reward img{width:54px;flex:0 0 auto;filter:drop-shadow(0 6px 12px rgba(0,0,0,.22))}
.reward b{display:block;font-size:24px;font-weight:900;color:#FFE873;line-height:1.2}
.reward span{font-size:13px;color:rgba(255,255,255,.9);font-weight:600}
.register__points{list-style:none;display:grid;gap:11px;margin-top:8px}
.register__points li{display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:700;color:rgba(255,255,255,.96)}
.register__points li::before{
    content:"";width:20px;height:20px;flex:0 0 auto;border-radius:50%;
    background:rgba(255,255,255,.92) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 13l4 4L19 7' fill='none' stroke='%237C4DFF' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat;
}

.register__form{padding:40px 40px 44px}
.register__form h2{font-size:24px;font-weight:900;margin-bottom:6px}
.register__form .sub{color:var(--ink-soft);font-size:14px;font-weight:600;margin-bottom:24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:800;color:var(--ink-soft);margin-bottom:7px}
.field .ipt{
    display:flex;align-items:center;gap:10px;
    padding:0 16px;border-radius:16px;background:#F3FAFF;
    border:2px solid #DCEEF9;transition:border-color .18s ease,background .18s ease;
}
.field .ipt:focus-within{border-color:var(--cyan);background:#EAF8FF}
.field .ipt .ico{width:22px;height:22px;flex:0 0 auto;display:grid;place-items:center}
.field .ipt .ico svg{width:100%;height:100%;display:block}
.field .ipt input{
    flex:1;border:0;background:transparent;outline:none;
    padding:15px 0;font-size:16px;font-weight:700;color:var(--ink);
}
.field .ipt input::placeholder{color:#A8C2D6;font-weight:600}
.field .hint{font-size:12.5px;color:var(--ink-soft);margin-top:6px}
.agree{display:flex;align-items:flex-start;gap:10px;margin:20px 0 22px;font-size:13.5px;color:var(--ink-soft);font-weight:600}
.agree input{width:19px;height:19px;flex:0 0 auto;margin-top:2px;accent-color:var(--pink);cursor:pointer}
.agree a{color:var(--pink);font-weight:800;border-bottom:1.5px dashed rgba(255,77,157,.55)}
.msg{margin-top:16px;padding:14px 18px;border-radius:14px;font-size:14.5px;font-weight:700;display:none}
.msg.on{display:block}
.msg--ok{background:rgba(77,255,184,.2);color:#046b4e;border:2px solid rgba(77,255,184,.6)}
.msg--err{background:rgba(255,77,157,.13);color:#b3125c;border:2px solid rgba(255,77,157,.42)}

/* AI 生成图统一裁掉右下角水印 */
.ai-img{overflow:hidden;border-radius:22px;background:#fff}
.ai-img img{width:100%;height:100%;object-fit:cover;object-position:center top;transform:scale(1.02)}

/* ---------- 游戏展示 ---------- */
.section{padding:84px 0}
.section--deep{
    position:relative;color:#fff;
    background:linear-gradient(165deg,var(--deep2),var(--deep) 58%,#050F22);
}
.section--deep .head p{color:rgba(255,255,255,.76)}
.head{text-align:center;max-width:700px;margin:0 auto 52px}
.head .eyebrow{
    display:inline-block;padding:7px 18px;border-radius:999px;font-size:13px;font-weight:900;letter-spacing:1.5px;
    background:linear-gradient(135deg,rgba(255,217,61,.5),rgba(255,138,61,.42));color:#7a3c00;
}
.section--deep .head .eyebrow{background:linear-gradient(135deg,rgba(34,224,245,.34),rgba(124,77,255,.42));color:#BFF3FF}
.head h2{font-size:clamp(28px,3.6vw,42px);font-weight:900;margin:16px 0 12px;letter-spacing:.6px}
.head p{color:var(--ink-soft);font-weight:600;font-size:16px}

.games{display:grid;grid-template-columns:repeat(auto-fit,minmax(232px,1fr));gap:26px}
.game{
    position:relative;padding:20px 20px 26px;border-radius:26px;text-align:center;
    background:rgba(255,255,255,.08);border:2px solid rgba(255,255,255,.16);
    backdrop-filter:blur(8px);transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.game:hover{transform:translateY(-8px);border-color:rgba(34,224,245,.6);background:rgba(255,255,255,.13)}
.game .thumb{height:190px;border-radius:20px;background:#fff;margin-bottom:18px}
.game h3{font-size:19px;font-weight:900;letter-spacing:.4px}
.game p{font-size:13.5px;color:rgba(255,255,255,.72);font-weight:600;margin-top:6px}
.game .pill{
    display:inline-block;margin-top:14px;padding:6px 16px;border-radius:999px;
    font-size:12.5px;font-weight:800;color:#06334a;
    background:linear-gradient(135deg,var(--mint),var(--cyan));
}
.game__emoji{height:190px;border-radius:20px;display:grid;place-items:center;
    background:linear-gradient(140deg,rgba(255,255,255,.94),rgba(226,246,255,.9))}
.game__emoji img{width:96px;height:96px;filter:drop-shadow(0 10px 18px rgba(11,42,74,.18))}

/* 标签与按钮内的矢量图标 */
.hero__tag svg{width:19px;height:19px;flex:0 0 auto}
.btn img{width:22px;height:22px;flex:0 0 auto}

/* ---------- 特色 ---------- */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(268px,1fr));gap:24px}
.feature{
    padding:34px 30px;border-radius:28px;background:#fff;
    border:3px solid #fff;box-shadow:var(--shadow);
    transition:transform .2s ease,box-shadow .2s ease;
}
.feature:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.feature img{width:64px;margin-bottom:18px}
.feature h3{font-size:20px;font-weight:900;margin-bottom:9px}
.feature p{color:var(--ink-soft);font-size:14.5px;font-weight:600}

/* ---------- 第二个标题卡：下载页 ---------- */
.download{
    position:relative;overflow:hidden;padding:88px 0 0;color:#fff;
    background:linear-gradient(140deg,var(--pink) 0%,var(--purple) 46%,var(--blue) 100%);
}
.download__bubbles{position:absolute;inset:0;pointer-events:none;opacity:.5}
.download__in{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.download h2{font-size:clamp(30px,4.2vw,50px);font-weight:900;line-height:1.14;letter-spacing:.8px}
.download h2 em{font-style:normal;color:#FFE873}
.download .lead{color:rgba(255,255,255,.9);font-weight:600;font-size:16.5px;margin:18px 0 30px;max-width:520px}
.dl-btns{display:grid;gap:16px;max-width:430px}
.dl-btn{
    display:flex;align-items:center;gap:16px;padding:17px 22px;border-radius:20px;
    background:rgba(255,255,255,.17);border:2px solid rgba(255,255,255,.5);
    backdrop-filter:blur(8px);transition:transform .18s ease,background .18s ease;
}
.dl-btn:hover{transform:translateY(-4px);background:rgba(255,255,255,.27)}
.dl-btn img{width:44px;flex:0 0 auto}
.dl-btn b{display:block;font-size:17px;font-weight:900;letter-spacing:.4px}
.dl-btn span{font-size:12.5px;color:rgba(255,255,255,.85);font-weight:600}
.dl-btn .arrow{margin-left:auto;font-size:20px;opacity:.85}
.dl-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.82);font-weight:600}
.dl-note b{color:#FFE873}
.dl-qr{
    display:flex;align-items:center;gap:16px;margin-top:26px;padding:18px 20px;border-radius:20px;
    background:rgba(0,0,0,.16);border:2px dashed rgba(255,255,255,.42);max-width:430px;
}
.dl-qr .box{width:96px;height:96px;flex:0 0 auto;border-radius:14px;background:rgba(255,255,255,.92);
    display:grid;place-items:center;font-size:11px;font-weight:800;color:#7C4DFF;text-align:center;line-height:1.35;padding:6px}
.dl-qr p{font-size:13.5px;color:rgba(255,255,255,.9);font-weight:700}
.download__art{position:relative;display:grid;place-items:center;min-height:380px}

/* 手机 mockup */
.phone{
    width:min(266px,72vw);aspect-ratio:9/18.6;border-radius:40px;padding:12px;
    background:linear-gradient(160deg,#16324F,#061423);
    border:3px solid rgba(255,255,255,.28);
    box-shadow:0 34px 66px rgba(0,0,0,.4);animation:float 6.5s ease-in-out infinite;
}
.phone__screen{
    width:100%;height:100%;border-radius:30px;overflow:hidden;position:relative;
    background:linear-gradient(160deg,#0E3E68,#08284A);
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:20px;
}
.phone__screen .notch{position:absolute;top:0;left:50%;transform:translateX(-50%);width:96px;height:20px;border-radius:0 0 14px 14px;background:#061423}
.phone__screen img{
    width:62%;aspect-ratio:1;border-radius:50%;object-fit:cover;object-position:center 12%;
    border:3px solid rgba(34,224,245,.55);box-shadow:0 12px 26px rgba(0,0,0,.42);
}
.phone__screen b{color:#fff;font-size:15px;font-weight:900;letter-spacing:1.5px}
.phone__screen .bar{width:80%;height:9px;border-radius:99px;background:linear-gradient(90deg,var(--cyan),var(--mint))}
.phone__screen .bar:nth-of-type(2){width:62%;background:linear-gradient(90deg,var(--pink),var(--orange))}
.phone__screen .bar:nth-of-type(3){width:70%;background:linear-gradient(90deg,var(--yellow),var(--mint))}

/* ---------- Footer ---------- */
.footer{background:#050F22;color:rgba(255,255,255,.62);padding:52px 0 34px;font-size:13.5px}
.footer__in{display:flex;flex-wrap:wrap;gap:26px;justify-content:space-between;align-items:flex-start}
.footer b{color:#fff;display:block;margin-bottom:10px;font-size:14.5px}
.footer a:hover{color:var(--cyan)}
.footer ul{list-style:none;display:grid;gap:7px}
.footer .copy{margin-top:32px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);text-align:center;font-size:12.5px;color:rgba(255,255,255,.42)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
    .hero{padding:56px 0 180px}
    .hero__in{grid-template-columns:1fr;gap:26px;text-align:center}
    .hero p.lead{margin-inline:auto}
    .hero__acts,.hero__stats{justify-content:center}
    .hero__art{order:-1;min-height:300px}
    .register__card{grid-template-columns:1fr}
    .download__in{grid-template-columns:1fr;gap:34px}
    .download__art{order:-1;min-height:320px}
    .dl-btns,.dl-qr,.download .lead{margin-inline:auto}
}
@media (max-width:760px){
    .nav__links{display:none}
    .nav__links.open{
        display:flex;flex-direction:column;position:absolute;top:74px;left:0;right:0;
        padding:16px 5vw 22px;gap:4px;background:#fff;
        box-shadow:0 18px 30px rgba(11,42,74,.12);
    }
    .nav__links.open a{padding:12px 16px}
    .nav__burger{display:block}
    .hero{padding:40px 0 150px}
    .register{margin-top:-110px}
    .register__aside,.register__form{padding:32px 24px}
    .section{padding:60px 0}
    .download{padding:64px 0 0}
    .games{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:18px}
    .game .thumb,.game__emoji{height:150px}
    .game__emoji{font-size:58px}
    .hero__stat b{font-size:22px}
}

/* ---------- 防溢出 / 文本换行加固（务必置于最后） ---------- */
html{overflow-x:hidden}
.hero__in,.register__card,.download__in,.games,.features,.footer__in{min-width:0}
.hero__text,.hero__art,.register__aside,.register__form,.download__in>div,.footer__in>div{min-width:0}
.btn,.hero__tag,.pill,.nav__cta,.dl-btn b,.dl-btn span,.game h3,.register__points li{white-space:nowrap}
.logo{flex:0 0 auto}
.logo__txt{white-space:nowrap}
.nav__in{gap:12px}
.field .ipt input{min-width:0}
@media (max-width:400px){
    .logo{font-size:19px}
    .logo__mark{width:38px;height:38px;border-radius:12px;font-size:17px}
    .nav__cta{padding:9px 16px;font-size:14px}
    .hero__tag{font-size:12.5px;padding:8px 15px;gap:7px}
}

/* ---------- 顶部下载横幅（最醒目的下载入口） ---------- */
.dlbar{
    position:relative;z-index:50;
    background:linear-gradient(90deg,var(--pink),var(--purple) 52%,var(--cyan));
    box-shadow:0 6px 18px rgba(11,42,74,.18);
}
.dlbar__in{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;padding:12px 0}
.dlbar__txt{color:#fff;font-weight:800;font-size:15px;letter-spacing:.5px}
.dlbar__btn{background:rgba(255,255,255,.96);color:var(--ink);box-shadow:0 8px 18px rgba(0,0,0,.2);padding:10px 22px;font-size:15px}
.dlbar__btn:hover{color:var(--ink);transform:translateY(-2px)}
.dl-note--url{margin-top:16px;font-size:14px}
.dl-note--url a{color:#FFE873;font-weight:800;text-decoration:underline;word-break:break-all}
@media (max-width:760px){
    .dlbar__in{gap:10px;padding:10px 0}
    .dlbar__txt{font-size:13.5px}
    .dlbar__btn{padding:9px 18px;font-size:14px}
}