/* Hướng dẫn sử dụng Mepo — giao diện SÁNG cao cấp theo tông logo (xanh dương #1976D2 + xanh lá #7AC943).
   Dùng chung: index.html (cổng chọn), video.html (danh sách phát), phan-1..9 (tài liệu). Không emoji — biểu tượng SVG nét mảnh. */
:root{
  --ink:#0b1b33;--text2:#33435c;--muted:#5b6b82;--line:#e3ebf5;--line2:#d2deee;
  --bg:#f6f9fd;--surface:#fff;--sky:#e8f2fe;--sky2:#d6e8fc;--mist:#f1f6fc;
  --blue:#1976d2;--blue2:#0d47a1;--lime:#7ac943;--lime2:#3f9d2f;--lime-soft:#eef9e6;
  --warn:#9a5a00;--warn-bg:#fff8e8;--warn-line:#f1c56b;
  --r:20px;--shadow:0 1px 2px rgba(11,27,51,.04),0 10px 30px -14px rgba(25,118,210,.28);
  --shadow2:0 2px 6px rgba(11,27,51,.05),0 24px 48px -20px rgba(25,118,210,.38);
  /* tên cũ giữ lại để nội dung trang cũ không vỡ */
  --card:#fff;--card2:#fff;--accent:#1976d2;--accent2:#3f9d2f;--green2:#3f9d2f;--soft:#e8f2fe;--blue-soft:#e8f2fe;--green-soft:#eef9e6;--txt:#0b1b33;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);
  background:radial-gradient(900px 520px at 88% -10%,rgba(25,118,210,.14),transparent 62%),radial-gradient(760px 460px at -8% 6%,rgba(122,201,67,.13),transparent 60%),var(--bg);
  background-attachment:fixed;
  font-family:'Be Vietnam Pro',Inter,'Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;line-height:1.65;font-size:16.5px;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}a:hover{color:var(--blue2)}
img{max-width:100%}
.i{width:1.15em;height:1.15em;flex:0 0 auto;vertical-align:-.2em}
.wrap{max-width:860px;margin:0 auto;padding:0 18px 72px}
.wrap.wide{max-width:1180px}

/* ===== Thanh trên cùng ===== */
.hd-top{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.82);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid rgba(210,222,238,.7)}
.hd-top .in{max-width:1180px;margin:0 auto;padding:10px 18px;display:flex;align-items:center;gap:14px}
.hd-top .brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:700;font-size:13.5px;line-height:1.15}
.hd-top .brand img{height:30px;width:auto;display:block}
.hd-top .brand span{color:var(--muted);font-weight:600;border-left:1px solid var(--line2);padding-left:12px}
.hd-top .sp{flex:1}
.mode{display:inline-flex;background:var(--mist);border:1px solid var(--line);border-radius:999px;padding:4px;gap:2px}
.mode a{display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:999px;font-size:14px;font-weight:700;color:var(--muted);white-space:nowrap;transition:.15s}
.mode a:hover{color:var(--blue2)}
.mode a.on{background:linear-gradient(135deg,#1976d2,#1565c0);color:#fff;box-shadow:0 6px 16px -6px rgba(25,118,210,.75)}
.hd-top .home{font-size:14px;font-weight:600;color:var(--muted);padding:8px 12px;border-radius:999px}
.hd-top .home:hover{background:var(--mist);color:var(--blue2)}

/* ===== Ô biểu tượng (thay emoji) ===== */
.ic{display:inline-flex;align-items:center;justify-content:center;border-radius:16px;color:#fff;flex:0 0 auto;
  background:linear-gradient(140deg,var(--g1,#1976d2),var(--g2,#42a5f5));box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 10px 20px -10px var(--g1,#1976d2)}
.ic .i{width:55%;height:55%;stroke-width:1.9}
.g1{--g1:#1565c0;--g2:#42a5f5}.g2{--g1:#0097a7;--g2:#4dd0e1}.g3{--g1:#0d47a1;--g2:#1e88e5}.g4{--g1:#5c6bc0;--g2:#9fa8da}.g5{--g1:#2e9d57;--g2:#7ac943}
.g6{--g1:#0288d1;--g2:#4fc3f7}.g7{--g1:#e08a00;--g2:#fbbf24}.g8{--g1:#455a64;--g2:#90a4ae}.g9{--g1:#e65100;--g2:#ffb74d}

/* ===== Cổng chọn (index) ===== */
.hero2{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;padding:34px 0 8px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line2);border-radius:999px;padding:6px 14px 6px 8px;font-size:13px;font-weight:700;color:var(--blue2);box-shadow:var(--shadow)}
.eyebrow b{background:linear-gradient(135deg,#1976d2,#3f9d2f);color:#fff;border-radius:999px;padding:2px 10px;font-size:12px;letter-spacing:.3px}
.hero2 h1{margin:18px 0 12px;font-size:clamp(34px,4.7vw,58px);line-height:1.08;font-weight:800;letter-spacing:-1.2px;color:var(--ink)}
.hero2 h1 em{font-style:normal;background:linear-gradient(120deg,#1976d2 10%,#3f9d2f 90%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero2 p.sub{margin:0;font-size:18.5px;color:var(--text2);max-width:540px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 24px;border-radius:999px;font-weight:700;font-size:15.5px;transition:.15s;border:1.5px solid transparent;cursor:pointer;font-family:inherit}
.btn.pri{background:linear-gradient(135deg,#1976d2,#1259b0);color:#fff;box-shadow:0 14px 26px -12px rgba(25,118,210,.85)}
.btn.pri:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 30px -12px rgba(25,118,210,.95)}
.btn.sec{background:#fff;color:var(--blue2);border-color:var(--line2)}
.btn.sec:hover{border-color:var(--blue);transform:translateY(-2px)}
.stats{display:flex;gap:26px;flex-wrap:wrap;margin-top:30px}
.stats div{font-size:13px;color:var(--muted);font-weight:600;line-height:1.3}
.stats b{display:block;font-size:26px;color:var(--ink);font-weight:800;letter-spacing:-.5px}
.stage{position:relative;aspect-ratio:1/1.06;max-width:470px;margin-left:auto;width:100%}
.stage .disc{position:absolute;inset:6% 4% 0 4%;border-radius:46% 54% 50% 50%/52% 48% 52% 48%;background:linear-gradient(150deg,#cfe6ff 0%,#e6f3ff 45%,#e5f6d8 100%);box-shadow:inset 0 0 0 1px rgba(255,255,255,.7),var(--shadow2)}
.stage .ring{position:absolute;left:-2%;top:12%;width:36%;aspect-ratio:1;border-radius:50%;border:2px dashed rgba(25,118,210,.3)}
.stage .dot{position:absolute;right:2%;top:4%;width:62px;height:62px;border-radius:50%;background:linear-gradient(140deg,#7ac943,#bde58f);opacity:.9}
.stage img.mascot{position:absolute;left:50%;bottom:0;height:104%;transform:translateX(-50%);width:auto;max-width:none;filter:drop-shadow(0 22px 30px rgba(13,71,161,.25));-webkit-mask-image:linear-gradient(to bottom,#000 78%,transparent 99%);mask-image:linear-gradient(to bottom,#000 78%,transparent 99%)}
.fchip{position:absolute;display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border:1px solid rgba(210,222,238,.9);border-radius:16px;padding:9px 14px 9px 10px;font-size:13px;font-weight:700;color:var(--ink);box-shadow:0 14px 30px -14px rgba(13,71,161,.45);animation:fl 6s ease-in-out infinite}
.fchip .ic{width:34px;height:34px;border-radius:11px}
.fchip small{display:block;font-weight:600;color:var(--muted);font-size:11.5px}
.fchip.a{left:-6%;bottom:22%}
.fchip.b{right:-4%;top:30%;animation-delay:-3s}
@keyframes fl{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.say{position:absolute;left:50%;top:-2%;transform:translateX(-12%);background:#fff;border:1px solid var(--line2);border-radius:18px 18px 18px 4px;padding:10px 16px;font-size:14px;font-weight:700;color:var(--ink);box-shadow:var(--shadow);white-space:nowrap}
.say small{font-weight:600;color:var(--lime2)}

.choose{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:34px 0 8px}
.pick{position:relative;display:flex;flex-direction:column;gap:10px;padding:28px;border-radius:26px;color:var(--ink);transition:.2s;
  border:1.5px solid transparent;background:linear-gradient(#fff,#fff) padding-box,linear-gradient(135deg,#bcd9fb,#d6efc3) border-box;box-shadow:var(--shadow)}
.pick:hover{transform:translateY(-4px);box-shadow:var(--shadow2);color:var(--ink);background:linear-gradient(#fff,#fff) padding-box,linear-gradient(135deg,#1976d2,#7ac943) border-box}
.pick .ic{width:60px;height:60px;border-radius:19px}
.pick.vid .ic{--g1:#3f9d2f;--g2:#8fd45a}
.pick h2{margin:6px 0 0;font-size:24px;line-height:1.25;font-weight:800;letter-spacing:-.3px}
.pick h2 small{font-size:14px;color:var(--muted);font-weight:600;letter-spacing:0}
.pick p{margin:0;color:var(--text2);font-size:16px;flex:1}
.pick .meta{font-size:13px;color:var(--muted);font-weight:700;display:flex;align-items:center;gap:8px}
.pick .resume{font-size:13.5px;color:var(--blue2);font-weight:700}
.pick .go{align-self:flex-start;margin-top:8px;display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,#1976d2,#1259b0);color:#fff;font-weight:700;padding:11px 22px;border-radius:999px;font-size:15px}
.pick.vid .go{background:linear-gradient(135deg,#3f9d2f,#7ac943);color:#0b2a05}
.sec-title{display:flex;align-items:center;gap:12px;font-size:13px;letter-spacing:1.4px;text-transform:uppercase;color:var(--muted);font-weight:800;margin:46px 4px 14px}
.sec-title::after{content:"";height:1px;flex:1;background:linear-gradient(90deg,var(--line2),transparent)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.part{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:22px;display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow);transition:.2s}
.part:hover{transform:translateY(-4px);box-shadow:var(--shadow2);border-color:var(--sky2)}
.part::after{content:attr(data-n);position:absolute;right:14px;top:-14px;font-size:110px;font-weight:800;color:var(--g1,#1976d2);opacity:.07;letter-spacing:-6px;line-height:1;pointer-events:none}
.part .ic{width:52px;height:52px;border-radius:16px}
.part .num{font-size:12px;color:var(--muted);letter-spacing:1.2px;font-weight:800;margin-top:6px}
.part h3{margin:0;font-size:19px;line-height:1.3;font-weight:800;letter-spacing:-.2px}
.part h3 a{color:var(--ink)}
.part p{margin:0;color:var(--text2);font-size:14.5px;flex:1}
.part .row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:12px;position:relative;z-index:1}
.part .row a{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:700;padding:8px 14px;border-radius:999px;border:1px solid var(--line2);background:#fff;color:var(--blue2);transition:.15s}
.part .row a:hover{border-color:var(--blue);background:var(--sky)}
.part .row a.v{background:var(--lime-soft);border-color:#cfe7bd;color:#25660f}
.part .row a.v:hover{border-color:var(--lime2)}
.part .row .n{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;color:var(--muted);font-weight:600;margin-left:auto}
.note{display:flex;gap:14px;align-items:center;margin-top:30px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:14px 20px;color:var(--text2);font-size:15px;box-shadow:var(--shadow)}
.note img{width:58px;height:58px;border-radius:50%;object-fit:cover;background:var(--sky);flex:0 0 auto;border:2px solid #fff;box-shadow:0 0 0 1px var(--line2)}
.note b{color:var(--ink)}
footer{text-align:center;color:var(--muted);font-size:13px;margin-top:32px}

/* ===== Đầu trang tài liệu (phần) ===== */
.topbar{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:16px 0 4px}
.topbar a{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--text2);padding:7px 14px;border:1px solid var(--line2);border-radius:999px;background:#fff}
.topbar a:hover{color:var(--blue2);border-color:var(--blue)}
.topbar .mid{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.4px}
.phead{position:relative;overflow:hidden;margin:12px 0 6px;border-radius:28px;padding:28px 28px 22px;
  background:linear-gradient(135deg,#ffffff 0%,#eef6ff 55%,#eaf7de 100%);border:1px solid var(--line);box-shadow:var(--shadow2)}
.phead::before{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(25,118,210,.16),transparent 65%)}
.phead-main{position:relative;display:flex;gap:20px;align-items:flex-start}
.phead .ic{width:72px;height:72px;border-radius:22px}
.phead .crumb{font-size:12.5px;font-weight:800;letter-spacing:1.2px;color:var(--lime2);text-transform:uppercase}
.phead h1{margin:4px 0 8px;font-size:clamp(26px,3.6vw,36px);line-height:1.15;font-weight:800;letter-spacing:-.7px;color:var(--ink)}
.phead p.lead{margin:0;color:var(--text2);font-size:17px;max-width:620px}
.phead .tellme{position:relative;display:flex;align-items:center;gap:14px;margin-top:22px;background:rgba(255,255,255,.88);border:1px solid var(--line2);border-radius:20px;padding:12px 16px 12px 12px;flex-wrap:wrap}
.phead .tellme img{width:56px;height:56px;border-radius:50%;object-fit:cover;background:var(--sky);border:2px solid #fff;box-shadow:0 0 0 1px var(--line2);flex:0 0 auto}
.phead .tellme .t{flex:1;min-width:200px;font-size:15px;color:var(--text2)}
.phead .tellme .t b{color:var(--ink)}
.phead .tellme .btn{padding:10px 18px;font-size:14.5px}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:16px 22px;margin:18px 0;box-shadow:var(--shadow)}
.toc b{font-size:12.5px;color:var(--muted);letter-spacing:1.2px}
.toc ol{margin:8px 0 0;padding-left:22px}
.toc li{margin:3px 0}
.toc a{display:inline;font-weight:500}

/* ===== Mỗi mục (step) ===== */
section.step{scroll-margin-top:84px;background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:26px;margin:22px 0;box-shadow:var(--shadow)}
section.step > h2{margin:0 0 8px;font-size:23px;display:flex;gap:14px;align-items:center;line-height:1.3;color:var(--ink);font-weight:800;letter-spacing:-.3px}
.chip{background:linear-gradient(140deg,#1976d2,#3fa34a);color:#fff;font-size:15px;width:36px;height:36px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-weight:800;flex:0 0 auto;box-shadow:0 8px 16px -8px rgba(25,118,210,.8)}
section.step > p{color:var(--text2)}
.fig{margin:18px 0;text-align:center}
.fig svg{max-width:100%;height:auto;border-radius:18px;border:1px solid var(--line2);background:#f4f7fb;box-shadow:0 18px 36px -24px rgba(13,71,161,.5)}
.cap{color:var(--muted);font-size:13.5px;margin-top:9px}
ol.do{counter-reset:s;list-style:none;margin:16px 0 0;padding:0}
ol.do li{counter-increment:s;position:relative;padding:13px 16px 13px 56px;margin-bottom:9px;background:var(--mist);border:1px solid var(--line);border-radius:16px;color:var(--text2)}
ol.do li::before{content:counter(s);position:absolute;left:14px;top:12px;width:28px;height:28px;background:linear-gradient(140deg,#1976d2,#3fa34a);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800}
ol.do li b{color:var(--ink)}
.tip,.warn,.qa{position:relative;padding:14px 18px 14px 20px;border-radius:16px;margin:16px 0;font-size:15px;color:var(--text2);border:1px solid transparent}
.tip{background:var(--lime-soft);border-color:#d3eac1;box-shadow:inset 4px 0 0 var(--lime2)}
.warn{background:var(--warn-bg);border-color:#f6dfa8;box-shadow:inset 4px 0 0 #e0a030}
.qa{background:var(--sky);border-color:var(--sky2);box-shadow:inset 4px 0 0 var(--blue)}
.qa b{color:var(--blue2)}
.tip b,.warn b{color:var(--ink)}
.pillrow{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.pill{background:var(--mist);border:1px solid var(--line2);border-radius:10px;padding:6px 13px;font-size:14px;color:var(--text2)}
table.keys{width:100%;border-collapse:separate;border-spacing:0;margin-top:14px;font-size:14.5px;background:#fff;border:1px solid var(--line2);border-radius:16px;overflow:hidden}
table.keys td{border-bottom:1px solid var(--line);padding:10px 14px;color:var(--text2)}
table.keys tr:last-child td{border-bottom:0}
table.keys td:first-child{width:130px;text-align:center;background:var(--mist);color:var(--ink);font-weight:700}
.kbd{font-family:Consolas,monospace;background:#fff;border:1px solid var(--line2);border-bottom-width:2px;border-radius:7px;padding:1px 8px;font-size:14px;color:var(--ink)}
.credit{display:inline-block;font-size:12px;background:#f1ebff;color:#5b3fd0;border:1px solid #d9ccff;border-radius:999px;padding:2px 10px;margin-left:6px;vertical-align:middle}
.grouphead{font-size:13px;letter-spacing:1.4px;text-transform:uppercase;color:var(--muted);margin:32px 4px 2px;font-weight:800}
section.step.mfg{border-color:#b5cdf0}
section.step.con{border-color:#efd08e}
.chip.c{background:linear-gradient(140deg,#e08a00,#fbbf24)}
.finish{background:linear-gradient(135deg,#e8f2fe,#eef9e6);border:1px solid var(--line2);border-radius:24px;padding:30px;text-align:center;margin-top:24px}
.finish h2{margin:0 0 8px;font-size:25px}
.finish .big{font-size:44px}
.navbtns{display:flex;justify-content:space-between;gap:14px;margin-top:30px}
.navbtns a{flex:1;text-align:center;padding:16px;border-radius:18px;border:1px solid var(--line2);background:#fff;font-weight:700;color:var(--text2);transition:.15s}
.navbtns a:hover{border-color:var(--blue);color:var(--blue2);transform:translateY(-2px)}
.navbtns a.next{background:linear-gradient(135deg,#1976d2,#2e9d57);color:#fff;border:none;box-shadow:0 14px 26px -14px rgba(25,118,210,.85)}
.navbtns a.dim{color:var(--muted)}

/* ===== Video ngay trong từng mục ===== */
.sv{margin:14px 0 18px;border:1px solid var(--line2);border-radius:20px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.sv .bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 14px;background:linear-gradient(90deg,#eef6ff,#f1faea);border-bottom:1px solid var(--line);font-size:14px;color:var(--blue2);font-weight:700}
.sv .bar .pl{display:inline-flex;width:26px;height:26px;border-radius:50%;background:linear-gradient(140deg,#3f9d2f,#7ac943);color:#fff;align-items:center;justify-content:center}
.sv .bar .pl .i{width:12px;height:12px;fill:#fff;stroke:#fff;margin-left:1px}
.sv .bar .t{flex:1;min-width:140px}
.sv .bar a{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:13px;padding:5px 12px;border-radius:999px;background:#fff;border:1px solid var(--line2);color:var(--blue2)}
.sv .bar a:hover{border-color:var(--blue)}
.sv video{display:block;width:100%;aspect-ratio:16/9;background:#050d1f}

/* ===== Danh sách phát ===== */
.pl{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:22px;margin-top:22px;align-items:start}
.player{background:var(--surface);border:1px solid var(--line);border-radius:26px;overflow:hidden;box-shadow:var(--shadow2)}
.player .screen{background:#050d1f;aspect-ratio:16/9;position:relative}
.player video{position:absolute;inset:0;width:100%;height:100%;display:block;background:#050d1f}
.player .info{padding:20px 24px 24px}
.player .part-lbl{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:1.2px;color:var(--lime2);text-transform:uppercase}
.player h1{margin:6px 0 8px;font-size:26px;line-height:1.25;font-weight:800;letter-spacing:-.5px}
.ctrl{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:14px}
.btn2{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;border:1.5px solid var(--line2);background:#fff;font-weight:700;font-size:14px;color:var(--text2);cursor:pointer;font-family:inherit;transition:.15s}
.btn2:hover:not(:disabled){border-color:var(--blue);color:var(--blue2)}
.btn2:disabled{opacity:.4;cursor:default}
.btn2.pri{background:linear-gradient(135deg,#1976d2,#1259b0);border-color:transparent;color:#fff;box-shadow:0 12px 22px -12px rgba(25,118,210,.9)}
.btn2.pri:hover:not(:disabled){color:#fff;transform:translateY(-1px)}
.sw{display:inline-flex;align-items:center;gap:10px;font-size:14px;color:var(--text2);font-weight:600;cursor:pointer;user-select:none}
.sw input{position:absolute;opacity:0;width:0;height:0}
.sw i{width:42px;height:24px;border-radius:99px;background:#c3d3e8;position:relative;transition:.15s}
.sw i::after{content:"";position:absolute;left:3px;top:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:.15s;box-shadow:0 1px 3px rgba(0,0,0,.3)}
.sw input:checked + i{background:var(--lime2)}
.sw input:checked + i::after{left:21px}
.sw input:focus-visible + i{outline:2px solid var(--blue);outline-offset:2px}
.speed{display:inline-flex;border:1.5px solid var(--line2);border-radius:999px;overflow:hidden;background:#fff}
.speed button{border:0;background:#fff;padding:8px 13px;font-size:13px;font-weight:700;color:var(--muted);cursor:pointer;font-family:inherit}
.speed button.on{background:var(--sky);color:var(--blue2)}
.resume-bar{display:none;margin-top:14px;background:var(--lime-soft);border:1px solid #cfe7bd;border-radius:14px;padding:10px 16px;font-size:14px;color:#25660f}
.resume-bar a{font-weight:700;margin-left:6px}
.guide{display:flex;gap:14px;align-items:center;background:linear-gradient(135deg,#fff,#eef6ff);border:1px solid var(--line);border-radius:22px;padding:14px 18px;margin-bottom:14px;box-shadow:var(--shadow)}
.guide img{width:60px;height:60px;border-radius:50%;object-fit:cover;background:var(--sky);border:2px solid #fff;box-shadow:0 0 0 1px var(--line2);flex:0 0 auto}
.guide p{margin:0;font-size:14.5px;color:var(--text2);line-height:1.5}
.guide p b{color:var(--ink)}
.list{background:var(--surface);border:1px solid var(--line);border-radius:26px;overflow:hidden;box-shadow:var(--shadow2);display:flex;flex-direction:column;max-height:calc(100vh - 100px);position:sticky;top:76px}
.list .hd{padding:18px 20px 14px;border-bottom:1px solid var(--line)}
.list .hd b{font-size:17px;font-weight:800;letter-spacing:-.2px}
.list .hd small{display:block;color:var(--muted);font-size:13px;margin-top:3px}
.prog{height:8px;background:var(--sky);border-radius:99px;overflow:hidden;margin-top:12px}
.prog i{display:block;height:100%;width:0;background:linear-gradient(90deg,#1976d2,#7ac943);border-radius:99px;transition:width .3s}
.list .body{overflow:auto;padding:6px 0 10px;flex:1}
.grp > button{width:100%;display:flex;align-items:center;gap:12px;padding:12px 20px;border:0;background:var(--mist);cursor:pointer;font-family:inherit;text-align:left;border-top:1px solid var(--line);color:var(--ink)}
.grp:first-child > button{border-top:0}
.grp > button .ic{width:34px;height:34px;border-radius:11px}
.grp > button .gt{flex:1;font-size:14px;font-weight:800;line-height:1.3}
.grp > button .gt small{display:block;font-weight:600;color:var(--muted);font-size:12px}
.grp > button .car{color:var(--muted);transition:.15s;width:16px;height:16px}
.grp.open > button .car{transform:rotate(90deg)}
.grp ul{list-style:none;margin:0;padding:6px 0;display:none}
.grp.open ul{display:block}
.it{display:flex;gap:12px;padding:9px 16px 9px 17px;cursor:pointer;align-items:center;border-left:3px solid transparent;transition:.12s}
.it:hover{background:var(--sky)}
.it.on{background:linear-gradient(90deg,var(--sky),#f3faed);border-left-color:var(--blue)}
.it .th{position:relative;flex:0 0 116px;aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:var(--sky2)}
.it .th img{width:100%;height:100%;object-fit:cover;display:block}
.it .th .d{position:absolute;right:5px;bottom:5px;background:rgba(5,13,31,.82);color:#fff;font-size:11px;font-weight:700;border-radius:6px;padding:1px 6px}
.it .tx{flex:1;min-width:0;font-size:13.5px;line-height:1.35;color:var(--ink);font-weight:600}
.it .tx small{display:block;color:var(--muted);font-weight:500;font-size:12px;margin-top:2px}
.it .ck{flex:0 0 22px;height:22px;border-radius:50%;border:2px solid var(--line2);display:flex;align-items:center;justify-content:center;font-size:12px;color:#fff}
.it.seen .ck{background:var(--lime2);border-color:var(--lime2)}
.it.on .ck{border-color:var(--blue)}
.soon{margin:8px 16px 12px;padding:11px 14px;border-radius:14px;background:var(--warn-bg);border:1px dashed var(--warn-line);color:var(--warn);font-size:13px}

@media (max-width:980px){
  .hero2{grid-template-columns:1fr;gap:6px}
  .stage{max-width:380px;margin:6px auto 0}
  .pl{grid-template-columns:1fr}
  .list{position:static;max-height:none}
}
@media (max-width:720px){
  body{font-size:16px}
  .choose{grid-template-columns:1fr}
  .hd-top .brand span,.hd-top .home{display:none}
  .mode a{padding:8px 13px}
  .phead{padding:22px 18px 18px;border-radius:24px}
  .phead-main{gap:14px}
  .phead .ic{width:54px;height:54px;border-radius:17px}
  section.step{padding:20px 16px;border-radius:20px}
  .player h1{font-size:21px}
  .player .info{padding:16px 16px 20px}
  .it .th{flex-basis:98px}
  .say{display:none}
  .fchip.b{display:none}
  .fchip.a{left:0}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
@media print{.hd-top,.sv,.navbtns,.topbar,.tellme{display:none!important}body{background:#fff}}