/* SLOT2D — 杂志混合栅格（画框拼贴+调色板块+画廊墙）· PFX: s2- */
:root{
  --s2-bg:#1B1D22; --s2-bg2:#15171B; --s2-panel:#21242B;
  --s2-ac:#5CA9FF; --s2-ac2:#8FC3FF; --s2-gold:#F2C94C;
  --s2-paper:#EDEFF3; --s2-mut:#9AA3B2; --s2-line:#2E323B;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--s2-bg);color:#D9DEE7;
  font-family:'Assistant',system-ui,sans-serif;font-size:16.5px;line-height:1.75;
  overflow-x:hidden;
}
h1,h2,h3,h4,.s2-ktag,.s2-logo,.s2-18{font-family:'Shantell Sans',cursive}
a{color:var(--s2-ac2);text-decoration:none}
a:hover{color:#fff}
img{max-width:100%;height:auto;display:block}
main{max-width:1160px;margin:0 auto;padding:0 20px}

/* ---------- 头部 ---------- */
.s2-head{position:sticky;top:0;z-index:60;background:rgba(21,23,27,.96);border-bottom:1px solid var(--s2-line)}
.s2-bar{max-width:1160px;margin:0 auto;display:flex;align-items:center;gap:18px;padding:12px 20px;flex-wrap:wrap}
.s2-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:1.25rem}
.s2-palmini{display:inline-flex;gap:4px;background:#23262e;border:1px solid var(--s2-line);border-radius:8px;padding:3px 7px;font-size:.7rem}
.s2-palmini i{font-style:normal;color:var(--s2-gold)}
.s2-nav{display:flex;gap:18px;margin-left:auto}
.s2-nav a{color:var(--s2-mut);font-weight:500;padding:6px 2px}
.s2-nav a.on,.s2-nav a:hover{color:var(--s2-ac2)}
.s2-hact{display:flex;gap:10px}
.s2-btn{display:inline-block;border-radius:9px;padding:9px 18px;font-weight:700;font-size:.92rem;border:1px solid transparent;cursor:pointer}
.s2-btn-fill{background:linear-gradient(180deg,var(--s2-ac2),var(--s2-ac));color:#10131a;box-shadow:0 0 18px rgba(92,169,255,.35)}
.s2-btn-line{border-color:var(--s2-line);color:#D9DEE7;background:#1e2127}
.s2-btn-line:hover{border-color:var(--s2-ac);color:#fff}
.s2-burger{display:none;cursor:pointer;margin-left:auto}
.s2-burger span{display:block;width:22px;height:2px;background:#D9DEE7;margin:5px 0}
.s2-navtog{display:none}
.s2-mnav{display:none}

/* ---------- 画框头版（拼贴） ---------- */
.s2-front{padding:46px 0 26px}
.s2-collage{display:grid;grid-template-columns:1.7fr .9fr;gap:22px}
.s2-fr{border:2px solid var(--s2-line);border-radius:14px;background:var(--s2-panel);padding:26px;position:relative}
.s2-fr::before{content:"";position:absolute;top:10px;left:14px;right:14px;height:3px;border-radius:3px;
  background:repeating-linear-gradient(90deg,var(--s2-ac) 0 14px,transparent 14px 24px);opacity:.5}
.s2-fr-main{padding:38px 34px 30px}
.s2-kicker{color:var(--s2-gold);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:.78rem;margin-bottom:10px}
.s2-fr-main h1{color:#fff;font-size:clamp(1.7rem,3.6vw,2.6rem);line-height:1.2;margin-bottom:16px}
.s2-lead{color:#C4CBD7;max-width:56ch}
.s2-fract{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.s2-fr-pal{transform:rotate(1.6deg)}
.s2-fr-pal h2{color:#fff;font-size:1.05rem;margin-bottom:12px}
.s2-dots{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}
.s2-dot{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:#171a20;border:1px solid var(--s2-line);color:var(--s2-gold);font-weight:700}
.s2-dots small{display:block;color:var(--s2-mut);font-size:.62rem;text-align:center;margin-top:3px}
.s2-dots li{display:flex;flex-direction:column;align-items:center}
.s2-fr-pal p{color:var(--s2-mut);font-size:.82rem;line-height:1.6}
.s2-fr-stamp{display:none;transform:rotate(-2deg);align-items:center;justify-content:center;gap:16px;
  border-style:dashed;border-color:#3a3f4b;background:transparent}
.s2-stampbig{font-size:2.6rem;filter:drop-shadow(0 0 12px rgba(242,201,76,.45))}

/* ---------- 教程专栏（不等高） ---------- */
.s2-cols{padding:34px 0 8px}
.s2-cols h2,.s2-gal h2,.s2-story h2,.s2-faqs h2,.s2-trust h2{color:#fff;font-size:clamp(1.35rem,2.6vw,1.9rem);margin-bottom:10px}
.s2-secp{color:var(--s2-mut);max-width:70ch;margin-bottom:22px}
.s2-colgrid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.s2-col{grid-column:span 4;background:var(--s2-panel);border:1px solid var(--s2-line);border-radius:12px;padding:22px;display:flex;flex-direction:column}
.s2-col1{grid-row:span 2}
.s2-col2{grid-column:span 8;margin-bottom:18px}
.s2-col3{grid-column:span 4}
.s2-col4{grid-column:span 4;margin-top:-18px}
.s2-ktag{align-self:flex-start;color:#10131a;background:var(--s2-ac);border-radius:6px;padding:2px 10px;font-size:.72rem;font-weight:700;letter-spacing:.1em;margin-bottom:12px}
.s2-col h3{color:#fff;font-size:1.12rem;line-height:1.35;margin-bottom:8px}
.s2-col h3 a{color:inherit}
.s2-col p{color:#B9C1CE;font-size:.9rem;flex:1}
.s2-meta{color:var(--s2-gold);font-size:.75rem;letter-spacing:.06em;margin-top:12px}

/* ---------- 画廊墙（Galeri Bingkai） ---------- */
.s2-gal{padding:40px 0 10px}
.s2-galwrap{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.s2-frame{border:6px solid #3A3F4B;border-radius:4px;background:#262a33;padding:12px;position:relative}
.s2-frame::after{content:"🍒";position:absolute;top:-16px;right:-10px;width:34px;height:34px;border-radius:50%;
  background:var(--s2-gold);color:#1b1d22;display:flex;align-items:center;justify-content:center;font-size:.95rem}
.s2-frin{display:block;background:#20242c;border:1px solid var(--s2-line);border-radius:3px;padding:22px 18px;color:inherit;min-height:190px}
.s2-frin:hover{background:#262b35}
.s2-mat{display:block;height:64px;margin-bottom:14px;border-radius:2px;
  background:repeating-linear-gradient(45deg,rgba(92,169,255,.18) 0 10px,rgba(21,24,30,.6) 10px 20px)}
.s2-frame h3{color:#fff;font-size:1.02rem;margin-bottom:6px}
.s2-frame p{color:var(--s2-mut);font-size:.85rem}
.s2-frmore{display:inline-block;color:var(--s2-ac2);font-size:.8rem;margin-top:10px}
.s2-payline{height:0;border-top:3px dashed rgba(242,201,76,.4);margin:26px 8px 0}

/* ---------- 叙述 ---------- */
.s2-story{padding:36px 0 8px}
.s2-story>p{color:#C4CBD7;max-width:74ch;margin-bottom:14px}
.s2-fig{margin:22px 0;border:1px solid var(--s2-line);border-radius:12px;overflow:hidden;background:#14161a}
.s2-fig img{width:100%}
.s2-fig figcaption{color:var(--s2-mut);font-size:.8rem;padding:10px 14px;border-top:1px solid var(--s2-line)}
.s2-edge{background:var(--s2-panel);border:1px solid var(--s2-line);border-radius:12px;padding:24px;margin-top:8px}
.s2-edge h3{color:#fff;margin-bottom:14px}
.s2-edgelist{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.s2-edgelist h4{color:var(--s2-ac2);font-size:.98rem;margin-bottom:4px}
.s2-edgelist p{color:#B9C1CE;font-size:.88rem}

/* ---------- FAQ / 信任 ---------- */
.s2-faqs{padding:34px 0 8px}
.s2-q{border:1px solid var(--s2-line);border-radius:10px;background:var(--s2-panel);margin-bottom:10px;overflow:hidden}
.s2-q summary{cursor:pointer;padding:14px 18px;color:#fff;font-weight:700;list-style:none;position:relative;padding-right:38px}
.s2-q summary::after{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--s2-gold);font-size:1.2rem}
.s2-q[open] summary::after{content:"–"}
.s2-q p{padding:0 18px 16px;color:#B9C1CE;font-size:.92rem}
.s2-trust{margin:30px 0 120px;border:1px dashed rgba(242,201,76,.45);border-radius:14px;padding:26px;position:relative}
.s2-trust h2{color:var(--s2-gold)}
.s2-trust p{color:#C4CBD7;max-width:72ch;margin-bottom:12px}
.s2-trustlnk{font-weight:700}
.s2-18{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;border-radius:50%;
  border:2px solid var(--s2-gold);color:var(--s2-gold);font-weight:700;margin-left:14px}

/* ---------- 内页纸面 ---------- */
.s2-paper{padding:34px 20px 120px;max-width:900px}
.s2-crumbs{color:var(--s2-mut);font-size:.82rem;margin-bottom:14px}
.s2-read h1,.s2-navpage h1{color:#fff;font-size:clamp(1.5rem,3vw,2.1rem);line-height:1.25;margin-bottom:14px}
.s2-edulead,.s2-navintro{color:#C4CBD7;font-size:1.05rem;margin-bottom:20px}
.s2-read h2,.s2-navpage h2{color:var(--s2-ac2);font-size:1.25rem;margin:26px 0 10px}
.s2-read>p,.s2-navpage>p{color:#C4CBD7;margin-bottom:12px}
.s2-steps{list-style:none;counter-reset:s2s}
.s2-steps li{background:var(--s2-panel);border:1px solid var(--s2-line);border-radius:10px;padding:16px 18px;margin-bottom:10px}
.s2-steps h3{color:#fff;font-size:1rem;margin-bottom:4px}
.s2-steps p{color:#B9C1CE;font-size:.9rem}
.s2-navlist li{border-left:3px solid var(--s2-ac);padding:8px 0 8px 14px;margin-bottom:6px;color:#C4CBD7}
.s2-note{border:1px dashed rgba(242,201,76,.5);border-radius:10px;padding:14px 16px;color:#E8D9A8;margin-top:18px}
.s2-navaside{background:#1e2128;border:1px solid var(--s2-line);border-radius:12px;padding:18px 20px;margin-top:26px;display:flex;flex-wrap:wrap;gap:10px 22px;align-items:baseline}
.s2-navaside h3{color:#fff;font-size:.95rem;width:100%;margin-bottom:2px}
.s2-navaside a{color:var(--s2-ac2);font-size:.9rem}
.s2-resp{color:var(--s2-mut);font-size:.82rem;margin-top:22px;border-top:1px solid var(--s2-line);padding-top:14px}

/* ---------- 404 ---------- */
.s2-404body{display:flex;flex-direction:column;min-height:100vh}
.s2-404{text-align:center;padding:80px 20px}
.s2-404reels{font-size:2.4rem;margin-bottom:14px;letter-spacing:.3em;filter:drop-shadow(0 0 14px rgba(92,169,255,.5))}
.s2-404 h1{color:#fff;margin-bottom:10px}
.s2-404 p{color:var(--s2-mut);margin-bottom:22px}
.s2-404act{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.s2-foot{border-top:1px solid var(--s2-line);background:var(--s2-bg2);padding:38px 20px 120px}
.s2-fgrid{max-width:1160px;margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:26px}
.s2-fcol h3{color:#fff;font-size:.95rem;margin-bottom:10px}
.s2-fcol a{display:block;color:var(--s2-mut);padding:3px 0;font-size:.9rem}
.s2-fcol a:hover{color:var(--s2-ac2)}
.s2-fbrand p{color:var(--s2-mut);font-size:.85rem;margin:10px 0}
.s2-fbot{max-width:1160px;margin:26px auto 0;border-top:1px dashed rgba(154,163,178,.25);padding-top:16px}
.s2-fbot p{color:var(--s2-mut);font-size:.8rem}

/* ---------- 底部悬浮条（唯一外链白名单） ---------- */
.s2-float{position:fixed;left:0;right:0;bottom:0;z-index:80;display:flex;justify-content:center;padding:10px 12px calc(10px + env(safe-area-inset-bottom));
  background:linear-gradient(180deg,transparent,rgba(13,14,17,.92) 30%)}
.s2-floatin{display:flex;align-items:center;gap:14px;background:#171a20;border:1px solid var(--s2-ac);border-radius:14px;padding:9px 16px;
  box-shadow:0 0 24px rgba(92,169,255,.35);max-width:96vw;flex-wrap:wrap;justify-content:center}
.s2-stamp{color:var(--s2-gold);font-size:.9rem;letter-spacing:.1em}
.s2-fnote{color:var(--s2-mut);font-size:.8rem}
.s2-enter{animation:s2-pulse 1.6s ease-in-out infinite}
@keyframes s2-pulse{0%,100%{box-shadow:0 0 10px rgba(92,169,255,.3)}50%{box-shadow:0 0 26px rgba(92,169,255,.75)}}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .s2-collage{grid-template-columns:1fr}
  .s2-fr-stamp{display:flex;min-height:110px}
  .s2-colgrid{grid-template-columns:repeat(2,1fr)}
  .s2-col{grid-column:span 1 !important;margin:0 !important;grid-row:auto !important}
  .s2-galwrap{grid-template-columns:repeat(2,1fr)}
  .s2-fgrid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .s2-nav,.s2-hact{display:none}
  .s2-burger{display:block}
  .s2-navtog:checked~.s2-mnav{display:block;background:#171a20;border-top:1px solid var(--s2-line);padding:14px 20px 22px}
  .s2-mgrp h3{color:#fff;font-size:.9rem;margin:14px 0 6px}
  .s2-mgrp a{display:block;color:var(--s2-mut);padding:6px 0}
}
@media (max-width:640px){
  .s2-colgrid{grid-template-columns:1fr}
  .s2-galwrap{grid-template-columns:1fr}
  .s2-edgelist{grid-template-columns:1fr}
  .s2-fgrid{grid-template-columns:1fr}
  .s2-fr-main{padding:30px 22px}
  body{font-size:16px}
  .s2-lead{font-size:.97rem}
}