/* HT Deutsch · Học trên web (sách thành bài học) */
.pg-hoc{--bk:#5EEAD4;--bk2:#9D8CFF}
.hc-wrap{width:min(1120px,calc(100% - 32px));margin:0 auto}
.hc-loading,.hc-empty{padding:40px 16px;text-align:center;color:var(--ink3)}
.hc-empty{border:1px dashed var(--line2);border-radius:20px;background:rgba(11,16,39,.55)}

/* ===== thư viện ===== */
.hc-hero{padding:44px 0 8px;max-width:760px}
.hc-hero h1{font-family:var(--f-d);font-weight:700;color:#fff;font-size:clamp(38px,6.2vw,66px);line-height:1.04;margin:12px 0 0;letter-spacing:-.02em}
.hc-hero h1 em{font-style:normal;background:linear-gradient(90deg,#5EEAD4,#9D8CFF 55%,#FF7AA8);-webkit-background-clip:text;background-clip:text;color:transparent}
.hc-feats{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.hc-feats span{padding:7px 13px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(150,170,255,.14);font-size:13.5px;color:var(--ink2)}
.hc-resume{display:flex;align-items:center;gap:14px;margin-top:22px;padding:14px 18px;border-radius:20px;border:1px solid color-mix(in srgb,var(--bk) 45%,transparent);background:linear-gradient(170deg,rgba(20,28,60,.92),rgba(11,16,39,.92));text-decoration:none;color:var(--ink2);max-width:560px}
.hc-resume:hover{color:var(--ink2);border-color:var(--bk)}
.hc-resume small{display:block;color:var(--bk);font-weight:800;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase}
.hc-resume b{color:#fff}
.hc-orb{flex:none;width:44px;height:44px;border-radius:50%;background:radial-gradient(circle at 32% 28%,var(--c0,#fff),var(--c1,#5EEAD4) 42%,var(--c2,#123));box-shadow:0 0 22px var(--gl,rgba(94,234,212,.4))}
.hc-books{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.hc-book{position:relative;display:grid;grid-template-columns:64px 1fr;gap:16px;padding:20px;border-radius:24px;border:1px solid rgba(255,255,255,.08);background:radial-gradient(120% 100% at 100% 0%,color-mix(in srgb,var(--c1) 20%,transparent),transparent 60%),linear-gradient(170deg,rgba(20,28,60,.92),rgba(11,16,39,.92));text-decoration:none;color:var(--ink2);transition:transform .18s,border-color .18s,box-shadow .2s}
.hc-book:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--c1) 55%,transparent);box-shadow:0 24px 60px -26px var(--c1);color:var(--ink2)}
.hc-book .hc-orb{width:64px;height:64px}
.hc-book small{display:block;color:var(--c1);font-weight:800;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase}
.hc-book h3{margin:4px 0 4px;font-family:var(--f-d);color:#fff;font-size:21px;line-height:1.2}
.hc-book p{margin:0;font-size:14px;line-height:1.5}
.hc-book .meta{display:flex;justify-content:space-between;gap:10px;margin-top:12px;font-size:12.5px;color:var(--ink3);font-variant-numeric:tabular-nums}
.hc-bar{height:5px;border-radius:4px;background:rgba(255,255,255,.07);overflow:hidden;margin-top:8px}
.hc-bar i{display:block;height:100%;border-radius:4px;background:var(--c1,var(--gold))}

/* ===== trang sách ===== */
.hc-crumbs{display:flex;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--ink3);margin:22px 0 14px}
.hc-crumbs a{color:var(--ink3);text-decoration:none;border-bottom:1px solid var(--line2)}
.hc-crumbs a:hover{color:#fff}
.hc-bhead{position:relative;display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:center;padding:26px;border-radius:28px;border:1px solid color-mix(in srgb,var(--c1) 40%,transparent);background:radial-gradient(130% 120% at 100% 0%,color-mix(in srgb,var(--c1) 26%,transparent),transparent 60%),linear-gradient(170deg,rgba(20,28,60,.94),rgba(11,16,39,.94));box-shadow:0 30px 80px -34px color-mix(in srgb,var(--c1) 60%,transparent);overflow:hidden}
.hc-bhead .hc-orb{width:86px;height:86px}
.hc-bhead small{color:var(--c1);font-weight:800;letter-spacing:.14em;font-size:12px}
.hc-bhead h1{margin:6px 0 4px;font-family:var(--f-d);font-weight:700;color:#fff;font-size:clamp(28px,4.4vw,46px);line-height:1.06}
.hc-bhead p{margin:0;font-size:15.5px}
.hc-facts{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.hc-facts span{padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.06);font-size:13px;font-variant-numeric:tabular-nums}
.hc-facts b{color:#fff}
.hc-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.hc-group{margin-top:28px}
.hc-group h2{margin:0 0 10px;font-size:13px;letter-spacing:.14em;color:var(--ink3);font-weight:800}
.hc-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:10px}
.hc-l{display:grid;grid-template-columns:42px 1fr auto;gap:12px;align-items:center;padding:13px 14px;border-radius:18px;border:1px solid var(--line);background:rgba(16,24,47,.86);text-decoration:none;color:var(--ink2);transition:border-color .15s,transform .15s}
.hc-l:hover{border-color:color-mix(in srgb,var(--c1) 60%,transparent);transform:translateY(-1px);color:var(--ink2)}
.hc-l .n{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:color-mix(in srgb,var(--c1) 15%,transparent);color:var(--c1);font-family:var(--f-d);font-weight:700;font-size:17px;font-variant-numeric:tabular-nums}
.hc-l.done .n{background:var(--ok);color:#05060f}
.hc-l b{display:block;color:#fff;font-size:15px;line-height:1.3}
.hc-l small{color:var(--ink3);font-size:12.5px}
.hc-l .lk{font-size:16px;color:var(--ink3)}
.hc-l .free{padding:3px 9px;border-radius:999px;background:var(--gold);color:#1a1204;font-size:11px;font-weight:900;letter-spacing:.06em}

/* ===== bài học ===== */
.hc-lbar{position:sticky;top:66px;z-index:20;display:flex;align-items:center;gap:8px;margin:14px 0 0;padding:6px;border-radius:999px;background:rgba(7,11,25,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(150,170,255,.16)}
.hc-lbar .t{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#fff;font-weight:800;font-size:14px}
.hc-lbar .t small{color:var(--ink3);font-weight:700;margin-right:6px}
.hc-ib{flex:none;min-width:38px;height:38px;padding:0 10px;border-radius:999px;border:1px solid var(--line2);background:rgba(255,255,255,.04);color:#fff;font:800 13px var(--f-b);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px}
.hc-ib:hover{border-color:var(--neon);color:#fff}
.hc-prog{position:fixed;left:0;right:0;top:0;height:3px;z-index:60;background:transparent}
.hc-prog i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--c1,#5EEAD4),#9D8CFF)}

.hc-paper{--pg:#121a38;--pt:#E9EDFB;--pm:#9EABD3;--pl:rgba(150,170,255,.16);--pbox:rgba(255,255,255,.04);
 margin:18px auto 0;max-width:760px;padding:28px clamp(18px,4vw,40px) 34px;border-radius:26px;background:var(--pg);color:var(--pt);border:1px solid rgba(150,170,255,.14);box-shadow:0 30px 80px rgba(0,0,0,.4);font-size:calc(16.5px*var(--fz,1));line-height:1.72}
.hc-paper.light{--pg:#FBF8F1;--pt:#1D2236;--pm:#5E6683;--pl:#E7E0D2;--pbox:rgba(20,30,70,.035);border-color:#E7E0D2}
.hc-paper.light{--der:#2459D6;--die:#D2335C;--das:#14805B;--neon:#0E7490}
.hc-ltitle{margin:0 0 4px;font-family:var(--f-d);font-weight:700;font-size:calc(30px*var(--fz,1));line-height:1.12;color:var(--pt)}
.hc-lsub{color:var(--pm);font-size:14px;margin-bottom:18px}
.hc-paper h2,.hc-paper h3,.hc-paper h4{font-family:var(--f-d);color:var(--pt);line-height:1.25;margin:1.5em 0 .5em}
.hc-paper h2{font-size:1.45em}.hc-paper h3{font-size:1.2em}.hc-paper h4{font-size:1.04em;color:var(--c1)}
.hc-paper.light h4{color:color-mix(in srgb,var(--c1) 70%,#000)}
.hc-paper p{margin:.55em 0}
.hc-paper .lab{margin:1.4em 0 .4em;font-size:.74em;font-weight:900;letter-spacing:.12em;color:var(--c1)}
.hc-paper.light .lab{color:color-mix(in srgb,var(--c1) 70%,#000)}
.hc-paper .li{position:relative;padding-left:1.3em}
.hc-paper .li:before{content:"";position:absolute;left:.25em;top:.72em;width:.38em;height:.38em;border-radius:50%;background:var(--c1)}
.hc-paper .li.num:before{display:none}
.hc-paper .li.num{padding-left:0}
.hc-pg{display:flex;align-items:center;gap:10px;margin:26px 0 8px;color:var(--pm);font-size:12px;font-weight:700;letter-spacing:.06em}
.hc-pg:after{content:"";flex:1;height:1px;background:var(--pl)}
.hc-pg a{color:var(--pm);text-decoration:none;border-bottom:1px dotted var(--pm)}
.hc-pg:first-child{margin-top:0}

/* chữ màu trong sách */
.hc-paper b.b{color:#7EB0FF;font-weight:700}.hc-paper b.r{color:#FF8A8A;font-weight:700}.hc-paper b.g{color:#5FDCA4;font-weight:700}
.hc-paper b.v{color:#C3A6FF;font-weight:700}.hc-paper b.o{color:#FFAE6B;font-weight:700}.hc-paper b.y{color:#FFE3A6;font-weight:700}
.hc-paper i.m{font-style:normal;color:var(--pm)}
.hc-paper.light b.b{color:#1F56C8}.hc-paper.light b.r{color:#C92A2A}.hc-paper.light b.g{color:#1E7F45}.hc-paper.light b.v{color:#6741D9}.hc-paper.light b.o{color:#C2510C}.hc-paper.light b.y{color:#9A6B00}
.hc-paper s{color:var(--pm);text-decoration-color:#FF5C6E;text-decoration-thickness:2px}
.hc-paper u{text-decoration-color:var(--pink);text-decoration-thickness:2px;text-underline-offset:3px}
.hc-paper a[data-p]{color:var(--c1);font-weight:800;cursor:pointer;text-decoration:underline;text-underline-offset:3px}

/* câu tiếng Đức nghe được */
.de{position:relative}
.de-line{display:flex;gap:10px;align-items:flex-start}
.de-line>.tx{flex:1;min-width:0}
.sayb{flex:none;width:30px;height:30px;margin-top:.12em;border-radius:50%;border:0;background:color-mix(in srgb,var(--c1) 22%,transparent);color:var(--pt);cursor:pointer;display:grid;place-items:center;transition:transform .12s,background .15s}
.sayb:hover{background:color-mix(in srgb,var(--c1) 40%,transparent)}
.sayb:active{transform:scale(.92)}
.sayb.on{background:var(--c1);color:#05060f}
.sayb svg{width:12px;height:12px;fill:currentColor;stroke:none;margin-left:1px}
.w{cursor:pointer;border-radius:4px;transition:background .12s}
.w:hover{background:color-mix(in srgb,var(--c1) 22%,transparent)}
.pair{display:grid;grid-template-columns:auto 1fr;gap:4px 10px;padding:10px 12px;margin:6px 0;border-radius:14px;background:var(--pbox);border:1px solid var(--pl)}
.pair .spk{grid-row:span 2;align-self:start;min-width:24px;height:24px;margin-top:.2em;border-radius:7px;background:color-mix(in srgb,var(--c1) 22%,transparent);color:var(--c1);font-size:12px;font-weight:900;display:grid;place-items:center}
.pair .vi{grid-column:2;color:var(--pm);font-size:.9em}
.pair .vi.hide{filter:blur(5px);cursor:pointer;user-select:none}
.pair .de-line{grid-column:2}
.pair.nospk .de-line,.pair.nospk .vi{grid-column:1/-1}
.pair.nospk{grid-template-columns:1fr}

/* bảng */
.tbl{overflow-x:auto;margin:12px 0;border-radius:14px;border:1px solid var(--pl);-webkit-overflow-scrolling:touch}
.tbl table{border-collapse:collapse;width:100%;font-size:.9em;line-height:1.45}
.tbl th{text-align:left;padding:8px 10px;font-size:.74em;letter-spacing:.08em;color:var(--pm);background:var(--pbox);border-bottom:1px solid var(--pl);white-space:nowrap}
.tbl td{padding:8px 10px;border-top:1px solid var(--pl);vertical-align:top;min-width:6em}
.tbl tr:first-child td{border-top:0}
.tbl td.dec{cursor:pointer}
.tbl td.dec:hover{background:color-mix(in srgb,var(--c1) 10%,transparent)}
.tbl td .sayb{width:22px;height:22px;float:right;margin:0 0 0 6px}
.tbl td .sayb svg{width:9px;height:9px}
@media (max-width:560px){.tbl.wide td:first-child,.tbl.wide th:first-child{position:sticky;left:0;background:var(--pg);z-index:1}}

/* khung */
.bx{--k:#5EEAD4;margin:16px 0;padding:12px 16px;border-radius:16px;background:color-mix(in srgb,var(--k) 9%,transparent);border:1px solid color-mix(in srgb,var(--k) 30%,transparent);border-left:4px solid var(--k)}
.bx.r{--k:#FF6B7F}.bx.g{--k:#5EEAD4}.bx.v{--k:#9D8CFF}.bx.o{--k:#FFAE6B}.bx.b{--k:#6EA8FF}.bx.x{--k:#5EEAD4}.bx.n{--k:#97A6CF}
.hc-paper.light .bx.r{--k:#C92A2A}.hc-paper.light .bx.g{--k:#2B8A3E}.hc-paper.light .bx.v{--k:#6741D9}.hc-paper.light .bx.o{--k:#D9480F}.hc-paper.light .bx.b{--k:#1971C2}.hc-paper.light .bx.x{--k:#0C8599}.hc-paper.light .bx.n{--k:#868E96}
.bx>.lab{margin:.2em 0 .3em;color:var(--k)}
.bx>*:last-child{margin-bottom:.2em}
.bx.ban{--k:var(--c1);border:0;border-radius:18px;padding:16px 18px;background:linear-gradient(120deg,color-mix(in srgb,var(--c1) 26%,transparent),color-mix(in srgb,var(--c1) 8%,transparent))}
.bx.ban p{font-size:.95em}
.bx.ban h2,.bx.ban h3{margin:.2em 0}
.fig{margin:14px 0;text-align:center}
.fig img{max-width:100%;height:auto;border-radius:12px;background:#fff}
.hc-paper:not(.light) .fig img{box-shadow:0 0 0 1px rgba(255,255,255,.06)}

/* ô trống điền từ */
.gap-in{display:inline-block;width:6.5em;max-width:60%;margin:0 .2em;padding:0 .3em;border:0;border-bottom:2px dashed var(--c1);background:color-mix(in srgb,var(--c1) 8%,transparent);color:var(--pt);font:inherit;font-weight:700;border-radius:4px 4px 0 0;vertical-align:baseline}
.gap-in:focus{outline:none;border-bottom-style:solid;background:color-mix(in srgb,var(--c1) 16%,transparent)}

/* âm thanh */
.trk{display:flex;align-items:center;gap:12px;margin:12px 0;padding:10px 14px;border-radius:16px;background:linear-gradient(90deg,color-mix(in srgb,var(--c1) 20%,transparent),transparent);border:1px solid color-mix(in srgb,var(--c1) 35%,transparent)}
.trk b{font-size:.9em;color:var(--pt)}
.trk audio{flex:1;min-width:0;height:36px}
.trk .sayb{width:40px;height:40px;background:var(--c1);color:#05060f}

/* đề thi: lựa chọn và phiếu trả lời */
.hc-paper p.opt{margin:.3em 0 .3em 1.2em;padding:.4em .75em;border-radius:10px;background:var(--pbox);border:1px solid var(--pl)}
.hc-exam{max-width:760px;margin:16px auto 0;scroll-margin-top:130px}
.ex-g{margin:16px 0 6px}
.ex-t{font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--c1,var(--gold));margin-bottom:6px}
.ex-r{display:grid;grid-template-columns:34px 1fr;gap:6px 10px;align-items:center;padding:8px 0;border-top:1px solid var(--line)}
.ex-n{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.06);color:#fff;font-variant-numeric:tabular-nums}
.ex-o{display:flex;flex-wrap:wrap;gap:6px}
.ex-c{min-width:40px;min-height:38px;padding:0 13px;border-radius:999px;border:1px solid var(--line2);background:rgba(255,255,255,.04);color:var(--ink2);font:800 14px var(--f-b);cursor:pointer}
.ex-c:hover{border-color:var(--c1,var(--gold));color:#fff}
.ex-c.on{background:var(--c1,var(--gold));border-color:transparent;color:#05060f}
.ex-r.ok .ex-n{background:var(--ok);color:#05060f}.ex-r.bad .ex-n{background:var(--bad);color:#05060f}
.graded .ex-c{cursor:default}
.graded .ex-c.ans{box-shadow:0 0 0 2px var(--ok);color:#fff}
.graded .ex-c.on:not(.ans){background:var(--bad);color:#05060f}
.graded .ex-c.on.ans{background:var(--ok);color:#05060f}
.ex-fb{grid-column:2;font-size:13.5px;color:var(--ink2);line-height:1.5}
.ex-fb .ok{color:var(--ok)}.ex-fb .bad{color:var(--bad)}
.ex-score{display:flex;align-items:center;gap:14px;margin-top:14px;padding:14px 16px;border-radius:18px;background:rgba(5,8,22,.55);border:1px solid rgba(150,170,255,.14)}
.ex-score b{font-family:var(--f-d);font-size:34px;color:#fff;line-height:1}

/* cuối bài */
.hc-end{max-width:760px;margin:16px auto 0;display:grid;gap:12px}
.hc-card{padding:20px;border-radius:24px;border:1px solid var(--line);background:linear-gradient(170deg,rgba(20,28,60,.94),rgba(11,16,39,.94))}
.hc-card h3{margin:0 0 4px;font-family:var(--f-d);color:#fff;font-size:22px}
.hc-card p{margin:0 0 12px;font-size:14.5px}
.hc-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hc-nav a{display:flex;flex-direction:column;gap:2px;padding:14px 16px;border-radius:18px;border:1px solid var(--line2);background:rgba(255,255,255,.03);text-decoration:none;color:var(--ink3);font-size:12.5px;min-width:0}
.hc-nav a b{color:#fff;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hc-nav a.nx{text-align:right;border-color:color-mix(in srgb,var(--c1) 45%,transparent)}
.hc-nav a:hover{border-color:var(--c1);color:var(--ink3)}

/* luyện tập trong bài */
.qz{max-width:640px;margin:0 auto}
.qz-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;color:var(--ink3);font-weight:800;font-size:13px;font-variant-numeric:tabular-nums}
.qz-bar{flex:1;height:8px;border-radius:9px;background:rgba(255,255,255,.08);overflow:hidden}
.qz-bar i{display:block;height:100%;border-radius:9px;background:linear-gradient(90deg,var(--c1),#9D8CFF);transition:width .35s}
.qz-box{padding:24px 20px;border-radius:26px;border:1px solid rgba(150,170,255,.2);background:radial-gradient(120% 90% at 50% 0%,color-mix(in srgb,var(--c1) 16%,transparent),transparent 65%),linear-gradient(170deg,#161f45,#0c1230)}
.qz-type{display:inline-block;padding:5px 12px;border-radius:999px;background:rgba(94,234,212,.1);color:var(--neon);font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.qz-q{margin:14px 0 4px;color:#fff;font-weight:800;font-size:clamp(20px,5vw,27px);line-height:1.35;overflow-wrap:anywhere}
.qz-q.vi{font-family:var(--f-d);font-weight:600}
.qz-sub{color:var(--ink3);font-size:14px}
.qz-opts{display:grid;gap:10px;margin-top:18px}
.qz-o{display:flex;align-items:center;gap:12px;min-height:54px;padding:12px 15px;border-radius:16px;border:1.5px solid var(--line2);background:rgba(255,255,255,.04);color:#fff;font:600 15.5px var(--f-b);text-align:left;cursor:pointer;transition:border-color .12s,background .12s}
.qz-o .k{display:grid;place-items:center;min-width:26px;height:26px;border-radius:8px;background:rgba(255,255,255,.08);color:var(--ink3);font-size:12px;font-weight:800;flex:none}
.qz-o:hover:not([disabled]){border-color:var(--neon)}
.qz-o.right{border-color:var(--ok);background:rgba(94,234,212,.14)}.qz-o.right .k{background:var(--ok);color:#05060f}
.qz-o.wrong{border-color:var(--bad);background:rgba(255,92,110,.12)}.qz-o.wrong .k{background:var(--bad);color:#05060f}
.qz-o[disabled]{cursor:default}
.qz-pool,.qz-ans{display:flex;flex-wrap:wrap;gap:8px;min-height:52px;padding:10px;border-radius:16px}
.qz-ans{margin-top:16px;border:1.5px dashed var(--line2);background:rgba(5,8,22,.45)}
.qz-pool{margin-top:10px}
.qz-tk{padding:9px 13px;border-radius:12px;border:1px solid var(--line2);background:rgba(255,255,255,.06);color:#fff;font:700 15.5px var(--f-b);cursor:pointer}
.qz-tk:hover{border-color:var(--neon)}
.qz-ans.ok{border-color:var(--ok);background:rgba(94,234,212,.1)}.qz-ans.bad{border-color:var(--bad);background:rgba(255,92,110,.08)}
.qz-fb{margin-top:16px;padding:14px 16px;border-radius:18px;background:rgba(5,8,22,.55);border:1px solid rgba(150,170,255,.14)}
.qz-fb .res{font-weight:900;margin-bottom:4px}.qz-fb .res.ok{color:var(--ok)}.qz-fb .res.bad{color:var(--bad)}
.qz-fb .de{color:#fff;font-weight:700}
.qz-done{text-align:center}
.qz-done .big{font-family:var(--f-d);font-weight:700;color:#fff;font-size:clamp(60px,15vw,96px);line-height:1;text-shadow:0 0 50px rgba(94,234,212,.4)}

/* khóa / học thử */
.hc-lock{max-width:640px;margin:22px auto 0;padding:26px;border-radius:26px;text-align:center;border:1px solid rgba(255,179,71,.35);background:radial-gradient(130% 120% at 50% 0%,rgba(255,179,71,.18),transparent 60%),linear-gradient(170deg,rgba(20,28,60,.94),rgba(11,16,39,.94))}
.hc-lock .ic{font-size:40px}
.hc-lock h2{margin:6px 0;font-family:var(--f-d);color:#fff;font-size:26px}
.hc-lock p{margin:0 auto 16px;max-width:440px}
.hc-trial{max-width:760px;margin:14px auto 0;padding:12px 16px;border-radius:16px;background:rgba(255,179,71,.12);border:1px solid rgba(255,179,71,.35);color:#FFE3A1;font-size:14px;display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.hc-trial a{color:#1a1204}

/* sheet */
.hc-sheet{position:fixed;inset:0;z-index:70;background:rgba(3,5,14,.7);display:flex;align-items:flex-end;justify-content:center;padding:max(10px,env(safe-area-inset-top)) 0 0}
.hc-sheet-in{width:min(780px,100%);max-height:86vh;display:flex;flex-direction:column;border-radius:24px 24px 0 0;background:#0e1430;border:1px solid var(--line2);border-bottom:0;box-shadow:0 -20px 60px rgba(0,0,0,.5)}
.hc-sheet-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px 10px 20px;border-bottom:1px solid var(--line)}
.hc-sheet-bar b{color:#fff}
.hc-sheet-body{overflow:auto;padding:4px 0 max(16px,env(safe-area-inset-bottom))}
.hc-sheet-body .hc-paper{margin:0;border:0;border-radius:0;box-shadow:none;max-width:none}
.hc-sheet-body iframe{width:100%;height:150px;border:0;border-radius:14px;background:#fff}
.hc-toast{position:fixed;left:50%;top:84px;transform:translateX(-50%);z-index:90;padding:12px 18px;border-radius:14px;background:rgba(16,24,47,.97);border:1px solid rgba(94,234,212,.45);color:#fff;font:700 14.5px var(--f-b);box-shadow:0 14px 40px rgba(0,0,0,.5);max-width:calc(100vw - 32px)}

@media (max-width:820px){
 .hc-bhead{grid-template-columns:1fr;padding:22px}
 .hc-bhead .hc-orb{width:64px;height:64px}
 .hc-lbar{top:58px}
 .hc-list{grid-template-columns:1fr}
 .hc-books{grid-template-columns:1fr}
 .hc-paper{border-radius:20px;padding:22px 16px 28px;font-size:calc(16px*var(--fz,1))}
}
@media (max-width:520px){.hc-lbar .hide-s{display:none}.hc-nav{grid-template-columns:1fr}.hc-nav a.nx{text-align:left}}
@media print{.pp-top,.hc-lbar,.hc-end,footer{display:none}}