/* ============================================================
   六月是只猫外链网盘 · 官方授权站 — Neo-Brutalist（与网盘系统统一）
   硬黑边框 · 彩色硬阴影 · 无圆角 · 无渐变 · 贴纸弹性
   ============================================================ */
:root {
  --ink: #111111;
  --paper: #fffdf5;
  --coral: #ff6b6b;
  --teal: #4ecdc4;
  --yellow: #ffe66d;
  --mint: #95e1d3;
  --rose: #f38181;
  --orange: #ff9f43;
  --muted: #62667a;
  --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}
*, *::before, *::after { border-radius: 0 !important; }
::selection { background: #ffe66d; color: #111; }
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--paper); color: var(--ink); font-size: 15px; line-height: 1.7; overflow-x: hidden;
  background-image: linear-gradient(rgba(17,17,17,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(17,17,17,.05) 1px, transparent 1px);
  background-size: 28px 28px;
}
a { color: inherit; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 22px; }

/* 背景贴纸 */
.deco { position: fixed; z-index: 0; pointer-events: none; opacity: .32; border: 3px solid #111; box-shadow: 6px 6px 0 #111; }
.deco.d1 { width: 190px; height: 190px; background: #4ecdc4; top: -60px; left: -60px; transform: rotate(2deg); }
.deco.d2 { width: 150px; height: 150px; background: #ffe66d; bottom: 10%; right: -55px; transform: rotate(-2deg); border-radius: 50% !important; }
.deco.d3 { width: 110px; height: 110px; background: #ff6b6b; top: 42%; left: -45px; transform: rotate(1.5deg); opacity: .22; }

/* ---------- 顶栏 ---------- */
.site-nav { position: sticky; top: 0; z-index: 60; background: var(--paper); border-bottom: 4px solid var(--ink); }
.nav-inner { display: flex; align-items: center; gap: 26px; height: 66px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 900; font-size: 16.5px; }
.brand .b-logo { width: 38px; height: 38px; border: 3px solid #111; background: #4ecdc4; box-shadow: 3px 3px 0 #111; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a { padding: 8px 14px; font-weight: 800; font-size: 13.5px; border: 2.5px solid transparent; transition: all .15s var(--spring); }
.nav-links a:hover { border-color: #111; box-shadow: 3px 3px 0 #111; background: #fff8d6; transform: translate(-1px, -1px); }
.nav-cta { border: 3px solid #111 !important; background: var(--coral); box-shadow: 3px 3px 0 #111 !important; }
.menu-btn { display: none; }

/* ---------- Hero ---------- */
.hero { position: relative; z-index: 1; padding: 84px 0 60px; text-align: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--yellow); border: 3px solid #111; box-shadow: 4px 4px 0 #111; padding: 7px 18px; font-weight: 900; font-size: 13px; letter-spacing: 1px; transform: rotate(-1deg); margin-bottom: 26px; }
.hero h1 { font-size: clamp(34px, 6vw, 62px); font-weight: 900; line-height: 1.16; letter-spacing: 1px; }
.hero h1 .hl { background: var(--teal); border: 3px solid #111; box-shadow: 5px 5px 0 #111; padding: 0 14px; display: inline-block; transform: rotate(-.5deg); }
.hero h1 .hl-y { background: var(--yellow); }
.hero-sub { max-width: 640px; margin: 26px auto 0; color: var(--muted); font-size: 16px; font-weight: 600; line-height: 2; }
.hero-btns { display: flex; gap: 16px; justify-content: center; margin-top: 38px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 9px; border: 3.5px solid #111; padding: 15px 32px; font-weight: 900; font-size: 15.5px; cursor: pointer; box-shadow: 6px 6px 0 #111; transition: transform .16s var(--spring), box-shadow .16s var(--spring); font-family: inherit; background: #fff; color: #111; text-decoration: none; }
.btn:hover { transform: translate(-2px, -2px); box-shadow: 8px 8px 0 #111; }
.btn:active { transform: translate(3px, 3px); box-shadow: 0 0 0 #111; }
.btn.primary { background: var(--coral); }
.btn.teal { background: var(--teal); }
.btn.yellow { background: var(--yellow); }
.btn.sm { padding: 9px 18px; font-size: 13px; box-shadow: 4px 4px 0 #111; }

/* 真实数据条 */
.stats { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 56px auto 0; max-width: 980px; padding: 0 22px; }
.stat { background: #fff; border: 3px solid #111; box-shadow: 5px 5px 0 var(--ink); padding: 18px 16px; text-align: center; transition: transform .2s var(--spring); }
.stat:hover { transform: translate(-2px, -2px) rotate(-.5deg); }
.stat b { font-size: 26px; display: block; font-weight: 900; }
.stat b i { font-style: normal; background: var(--yellow); padding: 0 4px; }
.stat span { font-size: 12px; color: var(--muted); font-weight: 800; letter-spacing: 1px; }
.stat:nth-child(1) b { color: #d6336c; } .stat:nth-child(2) b { color: #0a8f6a; }
.stat:nth-child(3) b { color: #d9480f; } .stat:nth-child(4) b { color: #1c7ed6; }
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* ---------- 区块通用 ---------- */
section.sec { position: relative; z-index: 1; padding: 74px 0; }
.sec-head { text-align: center; margin-bottom: 46px; }
.sec-tag { display: inline-block; background: var(--mint); border: 2.5px solid #111; box-shadow: 3px 3px 0 #111; padding: 4px 16px; font-size: 12.5px; font-weight: 900; letter-spacing: 2px; transform: rotate(-1deg); margin-bottom: 16px; }
.sec-head h2 { font-size: clamp(26px, 4vw, 38px); font-weight: 900; }
.sec-head p { color: var(--muted); margin-top: 12px; font-weight: 600; }

/* ---------- 特性 grid ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 960px) { .feat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .feat-grid { grid-template-columns: 1fr; } }
.feat { background: #fff; border: 3px solid #111; box-shadow: 6px 6px 0 #111; padding: 24px 22px; transition: transform .18s var(--spring), box-shadow .18s var(--spring); }
.feat:hover { transform: translate(-3px, -3px); box-shadow: 9px 9px 0 #111; }
.feat .f-ico { width: 46px; height: 46px; border: 3px solid #111; display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 14px; box-shadow: 3px 3px 0 #111; }
.feat:nth-child(3n+1) .f-ico { background: var(--teal); }
.feat:nth-child(3n+2) .f-ico { background: var(--yellow); }
.feat:nth-child(3n) .f-ico { background: var(--coral); }
.feat b { font-size: 16px; display: block; margin-bottom: 8px; }
.feat p { font-size: 13px; color: var(--muted); line-height: 1.85; }

/* ---------- 截图展示 ---------- */
.shots { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
@media (max-width: 860px) { .shots { grid-template-columns: 1fr; } }
.shot-frame { background: #fff; border: 3.5px solid #111; box-shadow: 8px 8px 0 #111; overflow: hidden; cursor: zoom-in; transition: transform .2s var(--spring), box-shadow .2s var(--spring); }
.shot-frame:hover { transform: translate(-3px, -3px) rotate(-.4deg); box-shadow: 11px 11px 0 #111; }
.shot-bar { display: flex; align-items: center; gap: 7px; padding: 10px 14px; border-bottom: 3px solid #111; background: var(--yellow); }
.shot-bar i { width: 11px; height: 11px; border: 2px solid #111; display: inline-block; }
.shot-bar i:nth-child(1) { background: var(--coral); }
.shot-bar i:nth-child(2) { background: var(--yellow); background: #fff; }
.shot-bar i:nth-child(3) { background: var(--mint); }
.shot-bar span { margin-left: 8px; font-size: 11.5px; font-weight: 800; color: #5a647f; background: #fff; border: 2px solid #111; padding: 1px 10px; }
.shot-frame img { display: block; width: 100%; height: auto; }
.shot-cap { padding: 12px 16px; border-top: 3px solid #111; font-weight: 900; font-size: 13.5px; background: #fff; display: flex; align-items: center; gap: 8px; }
.shot-cap em { font-style: normal; margin-left: auto; font-size: 11px; color: var(--muted); font-weight: 700; }

/* 灯箱 */
.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(17,17,17,.72); display: none; align-items: center; justify-content: center; padding: 30px; cursor: zoom-out; }
.lightbox.on { display: flex; }
.lightbox img { max-width: min(1100px, 94vw); max-height: 88vh; border: 4px solid #fffdf5; box-shadow: 12px 12px 0 rgba(17,17,17,.55); background: #fff; }

/* ---------- 功能清单 ---------- */
.flist { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 860px) { .flist { grid-template-columns: 1fr; } }
.fcat { background: #fff; border: 3px solid #111; box-shadow: 6px 6px 0 #111; overflow: hidden; }
.fcat-head { padding: 13px 20px; border-bottom: 3px solid #111; font-weight: 900; font-size: 15px; display: flex; align-items: center; gap: 10px; }
.fcat:nth-child(odd) .fcat-head { background: var(--teal); }
.fcat:nth-child(even) .fcat-head { background: var(--yellow); }
.fcat ul { list-style: none; padding: 12px 20px 16px; }
.fcat li { padding: 5px 0; font-size: 13.5px; display: flex; gap: 9px; align-items: baseline; }
.fcat li::before { content: '■'; font-size: 9px; color: #111; flex-shrink: 0; }

/* ---------- 价格 ---------- */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
@media (max-width: 900px) { .price-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; } }
.price-card { background: #fff; border: 3.5px solid #111; box-shadow: 7px 7px 0 #111; padding: 30px 26px; display: flex; flex-direction: column; position: relative; transition: transform .2s var(--spring), box-shadow .2s var(--spring); }
.price-card:hover { transform: translate(-3px, -3px); box-shadow: 10px 10px 0 #111; }
.price-card.hot { background: #fffbe8; transform: scale(1.03); }
.price-card.hot:hover { transform: scale(1.03) translate(-3px, -3px); }
.price-badge { position: absolute; top: -14px; right: 18px; background: var(--coral); border: 3px solid #111; box-shadow: 3px 3px 0 #111; padding: 3px 14px; font-size: 12px; font-weight: 900; transform: rotate(2deg); }
.price-card h3 { font-size: 17px; font-weight: 900; text-align: center; }
.price-num { text-align: center; margin: 16px 0 4px; }
.price-num b { font-size: 44px; font-weight: 900; }
.price-num span { font-size: 15px; color: var(--muted); font-weight: 800; }
.price-sub { text-align: center; font-size: 12.5px; color: var(--muted); font-weight: 700; margin-bottom: 18px; }
.price-card ul { list-style: none; margin-bottom: 24px; flex: 1; }
.price-card li { padding: 7px 0; font-size: 13.5px; border-bottom: 2px dashed rgba(17,17,17,.18); display: flex; gap: 9px; }
.price-card li::before { content: '✔'; font-weight: 900; color: #0a8f6a; }
.price-card .btn { justify-content: center; }

/* ---------- 流程 ---------- */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
@media (max-width: 900px) { .flow { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .flow { grid-template-columns: 1fr; } }
.step { background: #fff; border: 3px solid #111; box-shadow: 5px 5px 0 #111; padding: 22px 20px; position: relative; counter-increment: step; }
.step::before { content: counter(step); position: absolute; top: -16px; left: -10px; width: 38px; height: 38px; background: var(--coral); border: 3px solid #111; box-shadow: 3px 3px 0 #111; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 17px; transform: rotate(-4deg); }
.step b { display: block; font-size: 15px; margin: 6px 0 8px; }
.step p { font-size: 12.5px; color: var(--muted); line-height: 1.8; }

/* ---------- FAQ ---------- */
.faq { max-width: 800px; margin: 0 auto; }
.faq-item { background: #fff; border: 3px solid #111; box-shadow: 5px 5px 0 #111; margin-bottom: 14px; overflow: hidden; }
.faq-item summary { padding: 16px 20px; font-weight: 900; font-size: 14.5px; cursor: pointer; list-style: none; display: flex; align-items: center; gap: 12px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { content: '+'; background: var(--yellow); border: 2.5px solid #111; width: 26px; height: 26px; display: inline-flex; align-items: center; justify-content: center; font-size: 17px; flex-shrink: 0; }
.faq-item[open] summary::before { content: '−'; background: var(--teal); }
.faq-item .faq-body { padding: 0 20px 18px 58px; font-size: 13.5px; color: var(--muted); line-height: 2; }

/* ---------- 底部 CTA ---------- */
.final-cta { background: var(--teal); border-top: 4px solid #111; border-bottom: 4px solid #111; padding: 66px 0; text-align: center; position: relative; z-index: 1; }
.final-cta h2 { font-size: clamp(24px, 4vw, 36px); font-weight: 900; }
.final-cta p { margin: 14px 0 30px; font-weight: 700; }

/* ---------- Footer ---------- */
.site-footer { border-top: 4px solid var(--ink); background: var(--paper); padding: 40px 0 30px; position: relative; z-index: 1; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 30px; }
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr; } }
.foot-brand b { font-size: 16px; }
.foot-brand p { font-size: 12.5px; color: var(--muted); margin-top: 10px; line-height: 1.9; }
.foot-col b { font-size: 13.5px; display: block; margin-bottom: 10px; }
.foot-col a { display: block; font-size: 13px; color: var(--muted); padding: 3px 0; text-decoration: none; }
.foot-col a:hover { color: #111; text-decoration: underline; }
.foot-copy { margin-top: 30px; padding-top: 18px; border-top: 2px dashed #111; text-align: center; font-size: 12px; color: var(--muted); }

/* ---------- 购买页 ---------- */
.plan-table { width: 100%; border-collapse: collapse; background: #fff; border: 3px solid #111; box-shadow: 6px 6px 0 #111; font-size: 13.5px; }
.plan-table th { background: var(--teal); border: 2px solid #111; padding: 11px 14px; font-weight: 900; text-align: center; }
.plan-table td { border: 2px solid #111; padding: 10px 14px; text-align: center; }
.plan-table td:first-child { font-weight: 800; text-align: left; }
.order-form { background: #fff; border: 3.5px solid #111; box-shadow: 7px 7px 0 #111; padding: 30px 28px; max-width: 620px; margin: 0 auto; }
.order-form h3 { font-size: 18px; font-weight: 900; margin-bottom: 6px; }
.order-form .hint { font-size: 12.5px; color: var(--muted); margin-bottom: 20px; line-height: 1.9; }
.of-field { margin-bottom: 15px; }
.of-field label { display: block; font-size: 12.5px; font-weight: 800; color: #5a647f; margin-bottom: 6px; }
.of-field input, .of-field select, .of-field textarea { width: 100%; padding: 12px 14px; border: 2.5px solid #111; font-size: 14px; font-family: inherit; outline: none; background: #fff; }
.of-field input:focus, .of-field select:focus, .of-field textarea:focus { box-shadow: 4px 4px 0 var(--yellow); transform: translate(-1px, -1px); }
.contact-strip { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 26px; }
.contact-chip { display: inline-flex; align-items: center; gap: 8px; border: 3px solid #111; background: #fff; box-shadow: 4px 4px 0 #111; padding: 9px 18px; font-weight: 800; font-size: 13.5px; }

/* 更新日志 */
.log-item { background: #fff; border: 3px solid #111; box-shadow: 5px 5px 0 #111; margin-bottom: 18px; overflow: hidden; }
.log-head { padding: 14px 20px; background: var(--yellow); border-bottom: 3px solid #111; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.log-head .ver { background: #111; color: #ffe66d; padding: 2px 12px; font-weight: 900; font-family: Consolas, monospace; }
.log-head time { font-size: 12px; color: #5a647f; font-weight: 800; margin-left: auto; }
.log-body { padding: 16px 22px; font-size: 13.5px; white-space: pre-wrap; line-height: 2; }
.log-body.empty { color: var(--muted); }

/* 表单成功态 */
.ok-banner { border: 3px solid #111; background: #d3f5ec; box-shadow: 5px 5px 0 #111; padding: 18px 22px; margin-bottom: 20px; font-weight: 800; line-height: 1.9; }

/* 动画 */
@keyframes rise { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
.rise { animation: rise .8s var(--spring) both; }
.rise.d1 { animation-delay: .08s; } .rise.d2 { animation-delay: .16s; } .rise.d3 { animation-delay: .24s; }