/* ============ LinguaLoop — shared styles ============ */
:root{
  --paper:#FBF8F1; --paper-2:#F2ECDE; --ink:#23201B; --ink-soft:#5C554B; --ink-faint:#8C8478;
  --jade:#2F6B57; --jade-deep:#1F493C; --jade-tint:#E4EDE7;
  --cinnabar:#C13A2E; --cinnabar-tint:#F7E5E2; --gold:#A9812E;
  --line:rgba(35,32,27,0.12); --line-strong:rgba(35,32,27,0.28);
  --shadow:0 1px 2px rgba(35,32,27,.05), 0 12px 34px -18px rgba(35,32,27,.28);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:"Be Vietnam Pro",system-ui,sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
::selection{background:var(--jade);color:#fff}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px}
.display{font-family:"Bricolage Grotesque",sans-serif;line-height:1.05;letter-spacing:-0.02em}
.han{font-family:"Noto Serif SC",serif}
.mono{font-family:"Space Mono",monospace}
.eyebrow{font-family:"Space Mono",monospace;font-size:12px;font-weight:700;letter-spacing:0.2em;text-transform:uppercase;color:var(--jade);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--jade)}
a{color:inherit;text-decoration:none}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;background:var(--ink);color:var(--paper);font-weight:600;padding:13px 24px;border-radius:999px;font-size:15px;border:1px solid var(--ink);cursor:pointer;transition:transform .18s ease,background .18s ease;font-family:inherit}
.btn:hover{transform:translateY(-2px);background:var(--jade-deep);border-color:var(--jade-deep)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line-strong)}
.btn-ghost:hover{background:transparent;border-color:var(--ink)}
.btn-jade{background:var(--jade);border-color:var(--jade);color:#fff}
.btn-jade:hover{background:var(--jade-deep);border-color:var(--jade-deep)}
.btn-lg{padding:16px 30px;font-size:16.5px}
.btn[disabled]{opacity:.4;cursor:default;transform:none}

/* nav / footer */
nav{position:sticky;top:0;z-index:50;background:rgba(251,248,241,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:18px}
.seal{width:33px;height:33px;border-radius:8px;background:var(--cinnabar);color:#fff;display:grid;place-items:center;font-family:"Noto Serif SC";font-weight:900;font-size:19px;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.22)}
.nav-links{display:flex;gap:28px;align-items:center;font-size:15px;color:var(--ink-soft)}
.nav-links a:hover{color:var(--ink)}
footer{background:var(--paper-2);padding:38px 0;font-size:14px;color:var(--ink-soft)}
.foot-in{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}

/* sections */
.sec{padding:88px 0}
.alt{background:var(--paper-2)}
.dark{background:var(--ink);color:var(--paper)}
.sec-head{max-width:42rem;margin-bottom:46px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-size:clamp(29px,4.2vw,44px);font-weight:800;margin:16px 0 12px}
.sec-head p{color:var(--ink-soft);font-size:17.5px}
.dark .sec-head p{color:rgba(251,248,241,.66)}
.dark .eyebrow{color:var(--gold)}.dark .eyebrow::before{background:var(--gold)}

/* HERO */
.hero{padding:64px 0 24px}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center}
.hero h1{font-size:clamp(34px,5vw,58px);font-weight:800;margin:20px 0 20px}
.hero h1 .hl{color:var(--jade);position:relative}
.hero h1 .hl::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:9px;background:rgba(47,107,87,.18);z-index:-1;border-radius:2px}
.lede{font-size:18px;color:var(--ink-soft);max-width:34em}
.hero-cta{display:flex;gap:13px;margin-top:28px;flex-wrap:wrap}
.hero-proof{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 15px;font-size:13.5px;font-weight:500}
.chip .dotm{width:7px;height:7px;border-radius:50%;background:var(--jade)}
.hero-art{position:relative;min-height:400px;display:flex;align-items:center}
.han-hero{position:absolute;inset:0;display:grid;place-items:center;font-family:"Noto Serif SC";font-weight:900;font-size:330px;line-height:1;color:var(--ink);opacity:.06;user-select:none}
.chat{position:absolute;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:15px 17px}
.chat.a{left:0;right:14%;top:40px}
.chat.b{top:174px;left:18%;right:0;background:var(--jade);color:#fff;border-color:var(--jade)}
.chat.c{top:298px;left:2%;right:24%}
.chat .who{font-family:"Space Mono";font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--jade);margin-bottom:5px}
.chat.b .who{color:rgba(255,255,255,.75)}
.chat p{font-size:14.5px;line-height:1.45}
.chat .py{font-family:"Space Mono";font-size:11.5px;color:var(--ink-faint)}
.chat.b .py{color:rgba(255,255,255,.72)}
.chat .han{font-size:18px;font-weight:600}

/* hero email mockup */
.mailcard{position:relative;z-index:1;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.mail-top{background:var(--paper-2);padding:11px 15px;border-bottom:1px solid var(--line);display:flex;gap:10px;align-items:center}
.mail-top .mav{width:34px;height:34px;border-radius:9px;background:var(--jade);color:#fff;display:grid;place-items:center;font-family:"Noto Serif SC";font-weight:900;font-size:16px;flex:none}
.mail-top .mfrom{font-weight:700;font-size:14px}
.mail-top .msub{font-size:12px;color:var(--ink-faint)}
.mail-meta{padding:10px 15px;font-size:12.5px;color:var(--ink-faint);border-bottom:1px solid var(--line)}
.mail-meta b{color:var(--ink);font-weight:600}
.mail-subject{padding:11px 15px 2px;font-weight:800;font-size:15.5px}
.mail-subject small{font-weight:400;color:var(--ink-faint);font-size:12.5px}
.mail-body{padding:4px 15px 12px}
.mail-line{display:flex;gap:12px;align-items:baseline;padding:8px 0;border-bottom:1px dashed var(--line)}
.mail-line:last-child{border-bottom:none}
.mail-line .mt{font-family:"Space Mono";font-size:12px;color:var(--jade);font-weight:700;min-width:46px;flex:none}
.mail-line .han{font-family:"Noto Serif SC";font-weight:600;font-size:16px}
.mail-line .g{font-size:12px;color:var(--ink-soft);margin-left:8px}
.mail-p{padding:6px 0;border-bottom:1px dashed var(--line)}
.mail-p:last-child{border-bottom:none}
.mail-p .han{display:block;font-family:"Noto Serif SC";font-weight:600;font-size:15px;line-height:1.4}
.mail-p .g{display:block;font-size:11.5px;color:var(--ink-soft);margin-top:2px;line-height:1.35}
.mail-p.sign .han{color:var(--jade-deep)}
.mail-ai{background:var(--jade);color:#fff;padding:11px 15px;display:flex;gap:9px;align-items:center;font-size:13px;line-height:1.4}
.mail-ai .ai-av{width:22px;height:22px;border-radius:7px;background:var(--cinnabar);display:grid;place-items:center;font-family:"Noto Serif SC";font-weight:900;font-size:12px;flex:none}
.mail-ai b{font-weight:700}

/* hero rotator (cycles work scenarios) */
.rot-wrap{position:relative;z-index:1;width:100%}
.rotator{transition:opacity .35s ease}
.rotator.fading{opacity:0}
.rot-dots{display:flex;gap:7px;justify-content:center;margin-top:14px}
.rot-dots i{width:7px;height:7px;border-radius:50%;background:var(--line-strong);opacity:.4;transition:all .3s;cursor:pointer}
.rot-dots i.on{opacity:1;background:var(--jade);transform:scale(1.15)}
/* compact chat card for chat scenarios */
.hcard{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.hc-body{padding:16px;display:flex;flex-direction:column;gap:10px;background:var(--paper)}
.hc-b{max-width:86%;padding:10px 13px;border-radius:15px;font-size:14px;line-height:1.45}
.hc-b.them{background:#fff;border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:4px}
.hc-b.me{background:var(--jade);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.hc-b .han{font-family:"Noto Serif SC";font-weight:600;font-size:16px}
.hc-b .g{font-size:11.5px;opacity:.82;margin-top:2px}

/* STORY */
.story{max-width:720px;margin:0 auto}
.story .kicker{font-family:"Space Mono";font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--cinnabar);font-weight:700}
.story h2{font-size:clamp(27px,3.6vw,38px);font-weight:800;margin:14px 0 26px;line-height:1.15}
.story p{font-size:18px;color:var(--ink-soft);margin-bottom:20px;line-height:1.7}
.story p b{color:var(--ink);font-weight:600}
.story .lead-in::first-letter{font-family:"Bricolage Grotesque";font-size:58px;font-weight:800;float:left;line-height:.82;padding:6px 12px 0 0;color:var(--jade)}
.story .sign{margin-top:34px;padding-top:22px;border-top:1px solid var(--line);font-size:15.5px;color:var(--ink-faint)}
.story .sign b{color:var(--ink);font-weight:700}
.edit-flag{display:inline-block;background:var(--cinnabar-tint);color:var(--cinnabar);font-family:"Space Mono";font-size:11px;font-weight:700;padding:3px 9px;border-radius:6px;letter-spacing:.04em;margin-bottom:16px}

/* PAINPOINTS */
.pp-feature{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:22px;padding:38px;box-shadow:var(--shadow);margin-bottom:22px}
.pp-tag{font-family:"Space Mono";font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--cinnabar);text-transform:uppercase}
.pp-feature h3{font-size:28px;font-weight:800;margin:12px 0 14px;line-height:1.12}
.pp-line{display:flex;gap:11px;align-items:flex-start;font-size:15.5px;margin-bottom:10px}
.pp-line b{font-weight:700}
.ar{color:var(--cinnabar);font-weight:700;flex:none}
.ag{color:var(--jade);font-weight:700;flex:none}
.evidence{margin-top:18px;background:var(--jade-tint);border-radius:12px;padding:14px 16px;font-size:13.5px;color:var(--jade-deep);line-height:1.55}
.evidence b{font-weight:700}
.curve-box{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:20px}
.curve-legend{display:flex;gap:20px;justify-content:center;margin-top:6px;font-size:12.5px;font-family:"Space Mono"}
.curve-legend span{display:inline-flex;align-items:center;gap:7px;color:var(--ink-soft)}
.lg-line{width:18px;height:3px;border-radius:2px;display:inline-block}
.pp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pp-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s}
.pp-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.pp-prob{background:var(--cinnabar-tint);padding:20px 22px;border-bottom:1px solid var(--line)}
.pp-prob .k{font-family:"Space Mono";font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--cinnabar)}
.pp-prob h4{font-size:19px;font-weight:800;margin:8px 0 6px;color:var(--ink)}
.pp-prob p{font-size:14px;color:var(--ink-soft);line-height:1.5}
.pp-sol{padding:20px 22px;flex:1}
.pp-sol .k{font-family:"Space Mono";font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--jade);display:flex;align-items:center;gap:8px}
.pp-sol p{font-size:14.5px;color:var(--ink);line-height:1.55;margin-top:9px}
.pp-sol p b{font-weight:700;color:var(--jade-deep)}

/* CAPABILITY BLOCKS */
.cap{display:grid;gap:16px}
.cap-row{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 30px;box-shadow:var(--shadow)}
.cap-row .lead{font-size:20px;font-weight:800;margin-bottom:8px}
.cap-row .lead .num{font-family:"Space Mono";color:var(--jade);font-size:15px;margin-right:10px}
.cap-row p{font-size:16px;color:var(--ink-soft);line-height:1.65;max-width:60em}
.cap-row .limit{margin-top:12px;display:inline-flex;gap:8px;align-items:center;font-size:13.5px;color:var(--cinnabar);font-weight:600;background:var(--cinnabar-tint);padding:7px 13px;border-radius:8px}

/* METHOD LOOP */
.loop{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.step{background:#fff;border:1px solid var(--line);border-radius:13px;padding:20px 16px;transition:transform .2s ease,border-color .2s}
.step:hover{transform:translateY(-4px);border-color:var(--jade)}
.step .num{font-family:"Space Mono";font-weight:700;font-size:12.5px;color:#fff;background:var(--ink);width:28px;height:28px;border-radius:8px;display:grid;place-items:center;margin-bottom:14px}
.step:nth-child(5) .num{background:var(--cinnabar)}
.step h4{font-size:15.5px;font-weight:700;margin-bottom:6px}
.step p{font-size:13px;color:var(--ink-soft);line-height:1.45}
.howto{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.howto .step{padding:24px 22px}
.howto .step h4{font-size:17px;margin-bottom:8px}
.howto .step p{font-size:14px;line-height:1.5}
.howto .step .num{background:var(--jade)}
@media (max-width:900px){.howto{grid-template-columns:1fr}}
.exp-label{max-width:640px;margin:0 auto 14px;text-align:center;font-size:13px;color:var(--ink-faint);line-height:1.5}
.exp-label b{color:var(--ink-soft);font-weight:600}

/* ROLES (industry-specific) */
.roles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.role{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 22px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s}
.role:hover{transform:translateY(-4px);box-shadow:0 20px 44px -26px rgba(35,32,27,.4)}
.role .ri{font-size:28px;line-height:1;margin-bottom:12px}
.role h4{font-size:18px;font-weight:800;margin-bottom:11px;line-height:1.2}
.role ul{list-style:none;display:grid;gap:7px}
.role li{font-size:14px;color:var(--ink-soft);line-height:1.45;display:flex;gap:9px}
.role li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--jade);flex:none;margin-top:8px}
.role.other{background:var(--jade-tint);border-color:var(--jade)}
.role.other li::before{background:var(--jade-deep)}
@media (max-width:900px){.roles{grid-template-columns:1fr}}

/* WORKPLACE SPEECH */
.wsk{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.wsk .w{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.wsk .w .wt{font-weight:700;font-size:15px;margin-bottom:5px;display:flex;gap:9px;align-items:center}
.wsk .w .wt .wi{color:var(--cinnabar);font-weight:700}
.wsk .w p{font-size:13.5px;color:var(--ink-soft);line-height:1.5}
@media (max-width:760px){.wsk{grid-template-columns:1fr}}

/* WHAT YOU GET */
.getbox{max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px 34px;box-shadow:var(--shadow)}
.getlist{display:grid;gap:13px}
.getlist .g{display:flex;gap:13px;align-items:flex-start;font-size:15.5px;line-height:1.5}
.getlist .g svg{width:20px;height:20px;flex:none;margin-top:2px;color:var(--jade)}
.getlist .g b{font-weight:700}
.get-foot{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);font-size:14.5px;color:var(--ink-soft);text-align:center;line-height:1.6}
.get-foot b{color:var(--jade-deep);font-weight:700}
@media (max-width:640px){.getbox{padding:26px 22px}}

/* DAILY LOOP (what AI does each session) */
.dailyloop{max-width:960px;margin:24px auto 0;background:var(--jade-tint);border:1px solid var(--jade);border-radius:18px;padding:20px 22px}
.dailyloop .dl-h{font-size:14.5px;color:var(--jade-deep);margin-bottom:14px;text-align:center}
.dailyloop .dl-h b{font-weight:800}
.dl-steps{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:10px;align-items:stretch}
.dl-steps .dls{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 15px;font-size:13.5px;line-height:1.45;display:flex;flex-direction:column;gap:4px}
.dl-steps .dls .dk{font-family:"Space Mono";font-size:10px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--jade)}
.dl-steps .dls b{font-weight:700}
.dl-steps .dl-ar{color:var(--jade);font-weight:700;font-size:20px;display:flex;align-items:center;justify-content:center}
@media (max-width:760px){.dl-steps{grid-template-columns:1fr}.dl-steps .dl-ar{transform:rotate(90deg)}}

/* TEASER (landing cards that link to sub-pages) */
.teaser{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.teaser-card{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px 32px;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s}
.teaser-card:hover{transform:translateY(-5px);box-shadow:0 24px 50px -26px rgba(35,32,27,.4)}
.teaser-card .t-han{position:absolute;right:-10px;top:-30px;font-family:"Noto Serif SC";font-weight:900;font-size:150px;color:var(--ink);opacity:.05;user-select:none}
.teaser-card .t-k{font-family:"Space Mono";font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--jade)}
.teaser-card.cinnabar .t-k{color:var(--cinnabar)}
.teaser-card h3{font-size:25px;font-weight:800;margin:12px 0 10px;line-height:1.15}
.teaser-card p{font-size:15.5px;color:var(--ink-soft);line-height:1.6;margin-bottom:20px;flex:1;position:relative}
.teaser-card .t-cta{font-weight:700;color:var(--jade);display:inline-flex;align-items:center;gap:8px;font-size:15.5px}
.teaser-card.cinnabar .t-cta{color:var(--cinnabar)}
.teaser-card .t-meta{font-size:12.5px;color:var(--ink-faint);margin-top:12px;font-family:"Space Mono"}

/* BEFORE / AFTER chat comparison */
.ba-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
.ba-col{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.ba-col.after{border:1.5px solid var(--jade);box-shadow:0 20px 50px -30px rgba(47,107,87,.5)}
.ba-head{padding:14px 18px;font-weight:800;font-size:15px;display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--line)}
.ba-col.before .ba-head{color:var(--cinnabar);background:var(--cinnabar-tint)}
.ba-col.after .ba-head{color:var(--jade-deep);background:var(--jade-tint)}
.ba-head .tagk{font-family:"Space Mono";font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin-left:auto;opacity:.65}
.ba-body{padding:18px;display:flex;flex-direction:column;gap:10px;background:var(--paper);flex:1}
.ba-msg{max-width:88%;padding:10px 13px;border-radius:14px;font-size:13.5px;line-height:1.48}
.ba-msg.u{align-self:flex-end;background:var(--ink);color:var(--paper);border-bottom-right-radius:4px}
.ba-msg.a{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
.ba-msg .han{font-weight:600}
.ba-day{text-align:center;font-family:"Space Mono";font-size:10px;color:var(--ink-faint);margin:3px 0}
.ba-foot{padding:14px 18px;border-top:1px solid var(--line);display:grid;gap:7px;font-size:13px}
.ba-col.before .ba-foot span{color:var(--ink-soft)}
.ba-col.after .ba-foot span{color:var(--jade-deep);font-weight:600}
@media (max-width:760px){.ba-grid{grid-template-columns:1fr}}

/* COMPARE */
.cmp{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;font-size:15px}
.cmp th,.cmp td{padding:15px 16px;text-align:center;border-bottom:1px solid var(--line)}
.cmp thead th{font-weight:700;background:var(--paper-2);font-size:14px}
.cmp thead th.us{background:var(--jade);color:#fff}
.cmp tbody td.us{background:var(--jade-tint);font-weight:600}
.cmp td:first-child,.cmp th:first-child{text-align:left;font-weight:600;background:var(--paper);width:28%}
.cmp tbody tr:last-child td{border-bottom:none}
.cmp .yes{color:var(--jade);font-weight:700}
.cmp .no{color:var(--ink-faint)}
.cmp .mid{color:var(--gold);font-weight:600}
.cmp-note{font-size:12.5px;color:var(--ink-faint);margin-top:12px;text-align:center}

/* HONEST */
.honest{max-width:820px;margin:0 auto}
.honest .h-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid rgba(251,248,241,.14)}
.honest .h-item:last-child{border-bottom:none}
.honest .h-mk{font-family:"Space Mono";color:var(--gold);font-weight:700;font-size:15px;flex:none;padding-top:2px}
.honest .h-item p{font-size:16.5px;color:rgba(251,248,241,.82);line-height:1.6}
.honest .h-item p b{color:#fff;font-weight:700}
.promise{max-width:760px;margin:44px auto 0;text-align:center}
.promise .big{font-size:clamp(24px,3.4vw,34px);font-weight:800;line-height:1.3}
.promise .big .no{color:var(--cinnabar)}
.promise .big .yes{color:#7CD9A6}

/* PRICING single */
.anchor{background:var(--ink);color:var(--paper);border-radius:16px;padding:20px 26px;margin-bottom:30px;display:flex;gap:16px;align-items:center;font-size:16px;flex-wrap:wrap;max-width:820px;margin-left:auto;margin-right:auto}
.anchor .han{font-size:30px;color:var(--gold)}
.anchor b{color:#fff}
.plan-solo{max-width:560px;margin:0 auto;background:#fff;border:1.5px solid var(--jade);border-radius:24px;padding:40px 38px;box-shadow:0 24px 60px -30px rgba(47,107,87,.5);position:relative}
.plan-solo .badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--cinnabar);color:#fff;font-family:"Space Mono";font-size:11px;font-weight:700;letter-spacing:.08em;padding:6px 16px;border-radius:999px;text-transform:uppercase}
.plan-solo .pk{font-family:"Space Mono";font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--jade);font-weight:700}
.plan-solo h3{font-size:26px;font-weight:800;margin:8px 0 6px}
.plan-solo .desc{font-size:15px;color:var(--ink-soft);line-height:1.5}
.plan-solo .amt{font-family:"Bricolage Grotesque";font-size:60px;font-weight:800;margin:20px 0 2px;line-height:1}
.plan-solo .amt small{font-size:20px;font-weight:600;color:var(--ink-soft)}
.plan-solo .per{font-size:13.5px;color:var(--ink-faint);margin-bottom:24px}
.plan-solo ul{list-style:none;display:grid;gap:12px;margin-bottom:28px}
.plan-solo li{display:flex;gap:11px;align-items:flex-start;font-size:15.5px}
.plan-solo li svg{width:19px;height:19px;flex:none;margin-top:3px;color:var(--jade)}
.plan-solo .btn{width:100%}
.plan-solo .guarantee{text-align:center;font-size:13px;color:var(--ink-faint);margin-top:14px}
.buy-form{display:flex;flex-direction:column;gap:10px}
.email-in{width:100%;font-family:inherit;font-size:15.5px;padding:14px 16px;border:1.5px solid var(--line-strong);border-radius:12px;background:var(--paper);color:var(--ink);transition:border-color .15s}
.email-in::placeholder{color:var(--ink-faint)}
.email-in:focus{outline:none;border-color:var(--jade);background:#fff}
.email-in.bad{border-color:var(--cinnabar);background:var(--cinnabar-tint)}
.deliver-note{display:flex;gap:9px;align-items:flex-start;background:var(--jade-tint);border-radius:11px;padding:12px 14px;font-size:13.5px;color:var(--jade-deep);line-height:1.5;margin-top:14px}
.deliver-note b{font-weight:700}
.refund{display:flex;gap:9px;align-items:center;justify-content:center;text-align:center;font-size:13.5px;color:var(--ink-soft);margin-top:12px;font-weight:600}
.refund svg{width:17px;height:17px;color:var(--jade);flex:none}
.buy-msg{font-size:13.5px;text-align:center;margin-top:10px;font-weight:600;min-height:18px}
.buy-msg.ok{color:var(--jade-deep)}
.buy-msg.no{color:var(--cinnabar)}

/* FAQ */
.faq{max-width:760px;margin:0 auto;display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:2px 22px;transition:border-color .2s}
.faq details[open]{border-color:var(--jade)}
.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:600;font-size:16.5px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .pl{color:var(--jade);font-size:22px;font-weight:400;transition:transform .2s;flex:none}
.faq details[open] summary .pl{transform:rotate(45deg)}
.faq .ans{padding:0 0 20px;color:var(--ink-soft);font-size:15px;line-height:1.6}
.faq .ans b{color:var(--ink)}

/* FINAL */
.final{background:var(--ink);color:var(--paper);text-align:center;padding:92px 0;position:relative;overflow:hidden}
.final .han-bg{position:absolute;font-family:"Noto Serif SC";font-weight:900;font-size:340px;color:rgba(255,255,255,.035);top:50%;left:50%;transform:translate(-50%,-50%);white-space:nowrap;user-select:none}
.final h2{font-size:clamp(29px,4.4vw,48px);font-weight:800;margin-bottom:16px;position:relative}
.final p{color:rgba(251,248,241,.66);max-width:32em;margin:0 auto 30px;position:relative;font-size:17.5px}
.final .btn-jade{position:relative}
.final .fine{margin-top:18px;font-size:13px;color:rgba(251,248,241,.45);position:relative}

/* reveal */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease}
.reveal.in{opacity:1;transform:none}

/* ============ STANDALONE PAGE SHELL (demo.html) ============ */
.page{min-height:100vh;display:flex;flex-direction:column;background:var(--paper-2)}
.page-nav{background:rgba(251,248,241,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.page-nav .nav-in{height:60px}
.page-nav .back{display:inline-flex;align-items:center;gap:7px;font-size:14.5px;color:var(--ink-soft)}
.page-nav .back:hover{color:var(--ink)}
.stage{flex:1;display:flex;align-items:center;justify-content:center;padding:44px 24px}
.stage-inner{width:100%;max-width:660px}
.step-dots{display:flex;gap:7px;justify-content:center;margin-bottom:22px}
.step-dots i{width:8px;height:8px;border-radius:50%;background:var(--line-strong);opacity:.4;transition:all .3s}
.step-dots i.on{opacity:1;background:var(--jade);transform:scale(1.15)}
.step-dots i.done{opacity:1;background:var(--jade)}
.card{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}
.card-bar{height:6px;background:var(--paper-2)}
.card-bar i{display:block;height:100%;width:0;background:var(--jade);transition:width .45s ease}
.card-pad{padding:40px 42px}
.k-step{font-family:"Space Mono";font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:14px;display:flex;justify-content:space-between}
.k-step .badge-stage{color:var(--jade);font-weight:700}
.q-title{font-size:26px;font-weight:800;line-height:1.2;margin-bottom:8px}
.q-sub{font-size:15.5px;color:var(--ink-soft);margin-bottom:24px;line-height:1.55}
.opts{display:grid;gap:11px}
.opt{display:flex;gap:13px;align-items:center;text-align:left;background:var(--paper);border:1.5px solid var(--line);border-radius:14px;padding:16px 18px;font-size:15.5px;font-family:inherit;cursor:pointer;color:var(--ink);transition:all .15s;width:100%}
.opt:hover{border-color:var(--jade);background:var(--jade-tint)}
.opt.correct{border-color:var(--jade);background:var(--jade-tint)}
.opt.wrong{border-color:var(--cinnabar);background:var(--cinnabar-tint)}
.opt .mk{width:26px;height:26px;border-radius:8px;background:#fff;border:1.5px solid var(--line-strong);display:grid;place-items:center;font-family:"Space Mono";font-size:12px;font-weight:700;color:var(--ink-soft);flex:none}
.opt:hover .mk{background:var(--jade);color:#fff;border-color:var(--jade)}
.opt .han{font-size:19px;font-weight:600}
.opt .py{font-family:"Space Mono";font-size:12px;color:var(--ink-faint);margin-left:6px}
.back-link{margin-top:22px;background:none;border:none;color:var(--ink-faint);font-family:inherit;font-size:14px;cursor:pointer;display:inline-flex;gap:6px;align-items:center}
.back-link:hover{color:var(--ink)}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}

/* big intro block */
.intro-han{font-family:"Noto Serif SC";font-weight:900;font-size:64px;color:var(--cinnabar);line-height:1;margin-bottom:18px}
.intro h1{font-size:clamp(28px,4vw,40px);font-weight:800;line-height:1.15;margin-bottom:14px}
.intro p{font-size:17px;color:var(--ink-soft);line-height:1.6;margin-bottom:10px}
.intro .meta{font-size:13px;color:var(--ink-faint);font-family:"Space Mono";margin-top:8px}

/* result / level */
.res-tag{font-family:"Space Mono";font-size:12px;letter-spacing:.1em;text-transform:uppercase;font-weight:700}
.res-h{font-size:27px;font-weight:800;margin:10px 0 16px;line-height:1.2}
.res-body{font-size:16px;color:var(--ink-soft);line-height:1.65;margin-bottom:18px}
.res-body b{color:var(--ink)}
.res-card{background:var(--jade-tint);border-radius:14px;padding:18px 20px;margin-bottom:22px}
.res-card .k{font-family:"Space Mono";font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--jade-deep);font-weight:700;margin-bottom:6px}
.res-card p{font-size:15px;color:var(--jade-deep);line-height:1.55}
.level-meter{display:flex;gap:6px;margin:20px 0}
.level-meter .seg{flex:1;height:10px;border-radius:5px;background:var(--paper-2)}
.level-meter .seg.on{background:var(--jade)}
.level-badge{display:inline-block;background:var(--jade);color:#fff;font-weight:700;font-size:14px;padding:6px 15px;border-radius:999px;font-family:"Space Mono";letter-spacing:.05em}

/* roadmap */
.road{display:grid;gap:0;margin:8px 0 4px}
.road-item{display:grid;grid-template-columns:auto 1fr;gap:16px;padding-bottom:22px;position:relative}
.road-item:not(:last-child)::before{content:"";position:absolute;left:17px;top:34px;bottom:-2px;width:2px;background:var(--line)}
.road-dot{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-family:"Space Mono";font-weight:700;font-size:14px;background:var(--paper-2);color:var(--ink-soft);z-index:1}
.road-item.now .road-dot{background:var(--jade);color:#fff}
.road-item.now .road-h{color:var(--jade-deep)}
.road-h{font-weight:700;font-size:16.5px;margin-bottom:3px}
.road-p{font-size:14px;color:var(--ink-soft);line-height:1.5}
.road-item .tagnow{display:inline-block;font-family:"Space Mono";font-size:10.5px;font-weight:700;color:var(--jade);background:var(--jade-tint);padding:2px 8px;border-radius:5px;margin-left:8px;vertical-align:middle}

/* contextual learning — dialogue */
.dlg{display:grid;gap:12px;margin:6px 0 8px}
.dlg-line{display:flex;gap:12px;align-items:flex-start}
.dlg-line .who{font-family:"Space Mono";font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint);width:34px;flex:none;padding-top:9px}
.dlg-bub{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:13px 16px;flex:1}
.dlg-bub.them{background:var(--jade);color:#fff;border-color:var(--jade)}
.dlg-bub .han{font-size:20px;font-weight:600;line-height:1.5}
.dlg-bub .py{font-family:"Space Mono";font-size:12.5px;color:var(--ink-faint);margin:3px 0}
.dlg-bub.them .py{color:rgba(255,255,255,.75)}
.dlg-bub .vi{font-size:14.5px;color:var(--ink-soft)}
.dlg-bub.them .vi{color:rgba(255,255,255,.9)}
.wnew{position:relative;border-bottom:2px dashed currentColor;cursor:help;padding:0 1px}
.vocab-key{margin:20px 0 4px;display:grid;gap:10px}
.vocab-key .vk{display:flex;gap:12px;align-items:baseline;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:12px 15px}
.vocab-key .vk .han{font-size:22px;font-weight:600;color:var(--cinnabar);flex:none}
.vocab-key .vk .py{font-family:"Space Mono";font-size:13px;color:var(--jade);flex:none;min-width:70px}
.vocab-key .vk .mean{font-size:14.5px;color:var(--ink)}
.vocab-key .vk .mean b{font-weight:700}
.note-box{background:var(--gold);background:rgba(169,129,46,.12);border-left:3px solid var(--gold);border-radius:0 10px 10px 0;padding:13px 16px;font-size:14.5px;color:var(--ink);line-height:1.55;margin-top:16px}
.note-box b{color:var(--gold)}

/* apply / fill sentence */
.apply-q{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin-bottom:18px}
.apply-q .cue{font-size:14px;color:var(--ink-faint);margin-bottom:6px}
.apply-q .han{font-size:22px;font-weight:600;line-height:1.6}
.apply-q .blank{display:inline-block;min-width:64px;border-bottom:2.5px solid var(--jade);text-align:center;color:var(--jade);font-weight:700}
.feedback{border-radius:12px;padding:14px 16px;font-size:15px;line-height:1.55;margin-top:16px;display:none}
.feedback.show{display:block}
.feedback.ok{background:var(--jade-tint);color:var(--jade-deep)}
.feedback.no{background:var(--cinnabar-tint);color:var(--cinnabar)}
.feedback b{font-weight:700}

.trust-line{text-align:center;font-size:12.5px;color:var(--ink-faint);margin-top:18px}

/* USP interstitial (in quiz) */
.usp-inter{text-align:center}
.usp-inter .u-num{font-family:"Bricolage Grotesque";font-size:52px;font-weight:800;color:var(--jade);line-height:1}
.usp-inter .u-tag{font-family:"Space Mono";font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--cinnabar);margin:6px 0 6px}
.usp-inter .u-title{font-size:24px;font-weight:800;margin-bottom:12px;line-height:1.2}
.usp-inter .u-body{font-size:16px;color:var(--ink-soft);line-height:1.6;max-width:30em;margin:0 auto}
.usp-inter .u-body b{color:var(--ink)}
.usp-inter .u-hint{font-size:12px;color:var(--ink-faint);font-family:"Space Mono";margin-top:14px}

/* ============ CHAT EXPERIENCE (demo.html) ============ */
.exp{max-width:640px;margin:0 auto;width:100%}
.chatbox{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;height:min(76vh,780px)}
.chat-head{background:var(--jade-deep);color:#fff;padding:14px 20px;display:flex;align-items:center;gap:12px;flex:none}
.chat-head .av{width:40px;height:40px;border-radius:11px;background:var(--cinnabar);display:grid;place-items:center;font-family:"Noto Serif SC";font-weight:900;font-size:21px;flex:none}
.chat-head .nm{font-weight:700;font-size:15.5px}
.chat-head .st{font-size:12px;color:rgba(255,255,255,.72);display:flex;align-items:center;gap:6px}
.chat-head .st::before{content:"";width:7px;height:7px;border-radius:50%;background:#7CD9A6}
.chat-head .prog{margin-left:auto;font-family:"Space Mono";font-size:11px;color:rgba(255,255,255,.72);text-align:right}
.chat-scroll{flex:1;overflow-y:auto;padding:22px 20px;display:flex;flex-direction:column;gap:12px;background:var(--paper);scroll-behavior:smooth}
.m{max-width:88%;padding:12px 15px;border-radius:16px;font-size:15px;line-height:1.55;animation:pop .3s ease both;flex:0 0 auto}
.m.them{background:#fff;border:1px solid var(--line);border-bottom-left-radius:5px;align-self:flex-start}
.m.me{background:var(--jade);color:#fff;border-bottom-right-radius:5px;align-self:flex-end}
.m .py{font-family:"Space Mono";font-size:11.5px;color:var(--ink-faint);margin-top:3px}
.m.me .py{color:rgba(255,255,255,.78)}
.m .han{font-size:17px;font-weight:600}
.m b{font-weight:700}
@keyframes pop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.chat-foot{flex:none;border-top:1px solid var(--line);background:#fff;padding:14px 16px;display:flex;flex-wrap:wrap;gap:9px;min-height:64px;align-items:center}
.chip-reply{border:1.5px solid var(--jade);background:transparent;color:var(--jade-deep);border-radius:999px;padding:10px 16px;font-size:14.5px;font-family:inherit;cursor:pointer;font-weight:600;transition:all .15s;animation:pop .3s ease both}
.chip-reply:hover{background:var(--jade);color:#fff}
.chip-reply .han{font-weight:700;font-size:21px;line-height:1.3;letter-spacing:.02em}
.chip-reply.correct{background:var(--jade);color:#fff}
.chip-reply.wrong{border-color:var(--cinnabar);color:var(--cinnabar)}
.chat-foot .fwd{width:100%;animation:pop .3s ease both}
.chat-hint{font-size:12px;color:var(--ink-faint);width:100%;text-align:center;font-family:"Space Mono"}
.tap-cue{font-size:12px;color:var(--ink-faint);width:100%;text-align:center}
.auto-ctrl{text-align:center;margin-top:14px;font-family:"Space Mono";font-size:12px;color:var(--ink-faint)}
.auto-ctrl a{color:var(--jade);font-weight:700}
.auto-ctrl a:hover{color:var(--jade-deep)}
.foot-auto{width:100%;text-align:center;font-family:"Space Mono";font-size:12px;color:var(--ink-faint);display:flex;align-items:center;justify-content:center;gap:8px}
.foot-auto .dotpulse{display:inline-flex;gap:4px}
.foot-auto .dotpulse i{width:6px;height:6px;border-radius:50%;background:var(--jade);opacity:.4;animation:blink 1.1s infinite}
.foot-auto .dotpulse i:nth-child(2){animation-delay:.2s}
.foot-auto .dotpulse i:nth-child(3){animation-delay:.4s}

/* rich reading lesson (a full-width message card) */
.m.lesson,.m.report{max-width:100%;width:100%;align-self:stretch;padding:0;border-radius:16px;overflow:hidden}
.m.lesson{background:#fff;border:1px solid var(--line)}
.lesson-h{background:var(--jade-tint);padding:12px 16px;font-weight:700;font-size:14px;color:var(--jade-deep);display:flex;align-items:center;gap:8px}
.lesson-b{padding:18px 18px 6px}
.lesson-para{font-family:"Noto Serif SC",serif;font-size:clamp(22px,3.4vw,26px);font-weight:600;line-height:1.85;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin-bottom:6px;letter-spacing:.01em}
.lesson-para .wnew{border-bottom:2px solid var(--cinnabar);color:var(--ink)}
.lesson-cap{font-size:12.5px;color:var(--ink-faint);margin:8px 2px 16px;text-align:right;font-style:italic}
.breakdown-h{font-family:"Space Mono";font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--jade);margin:6px 0 12px;display:flex;align-items:center;gap:8px}
.breakdown-h::before{content:"";width:16px;height:2px;background:var(--jade)}
.lesson-b .lrow{margin-bottom:13px;padding-left:12px;border-left:2px solid var(--line)}
.lesson-b .lrow.say{border-left-color:var(--jade)}
.lesson-b .lrow .who{font-family:"Space Mono";font-size:10px;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:2px}
.lesson-b .lrow .han{font-size:18px;font-weight:600;line-height:1.5}
.lesson-b .lrow .py{font-family:"Space Mono";font-size:12px;color:var(--jade)}
.lesson-b .lrow .vi{font-size:13.5px;color:var(--ink-soft)}
.lesson-b .vocab-key{margin:14px 0 10px}
.lesson-b .note-box{margin:0 0 14px}

/* daily report card */
.m.report{background:var(--ink);color:var(--paper)}
.report-pad{padding:18px 18px}
.report-h{font-weight:700;font-size:15px;margin-bottom:6px;display:flex;gap:8px;align-items:center}
.report-sub{font-size:12.5px;color:rgba(251,248,241,.6);margin-bottom:12px}
.report-row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:14px;color:rgba(251,248,241,.85)}
.report-row:last-child{border-bottom:none}
.report-row b{color:#7CD9A6;font-weight:700;text-align:right}
.report-row .han{font-family:"Noto Serif SC";font-weight:600}

/* ============ OFFER / CLOSE PAGE (offer.html) ============ */
.offer-top{background:var(--jade-deep);color:#fff;padding:64px 0 56px;text-align:center;position:relative;overflow:hidden}
.offer-top .han-bg{position:absolute;font-family:"Noto Serif SC";font-weight:900;font-size:300px;color:rgba(255,255,255,.05);top:50%;left:50%;transform:translate(-50%,-50%);user-select:none;pointer-events:none}
.offer-top .eyebrow{color:var(--gold);justify-content:center}
.offer-top .eyebrow::before{background:var(--gold)}
.offer-top h1{font-size:clamp(28px,4.4vw,44px);font-weight:800;margin:16px 0 10px;position:relative;line-height:1.15}
.offer-top .sub{color:rgba(255,255,255,.75);font-size:17px;max-width:34em;margin:0 auto;position:relative}
.recap-list{max-width:580px;margin:30px auto 0;display:grid;gap:11px;position:relative;text-align:left}
.recap-list .ri{display:flex;gap:13px;align-items:flex-start;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:13px;padding:14px 17px;font-size:15.5px}
.recap-list .ri .ck{width:24px;height:24px;border-radius:50%;background:#7CD9A6;color:var(--jade-deep);display:grid;place-items:center;font-weight:800;font-size:14px;flex:none}
.recap-list .ri b{color:#fff}
.versus{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:860px;margin:0 auto}
.versus .col{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 24px 20px}
.versus .col .vk{font-family:"Space Mono";font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--cinnabar)}
.versus .col h4{font-size:19px;font-weight:800;margin:8px 0 12px}
.versus .col p{font-size:14.5px;color:var(--ink-soft);line-height:1.55;margin-bottom:10px}
.versus .col .miss{display:flex;gap:9px;align-items:flex-start;font-size:14px;color:var(--ink);margin-top:8px}
.versus .col .miss .x{color:var(--cinnabar);font-weight:700;flex:none}
.versus-mid{text-align:center;max-width:640px;margin:26px auto 0;font-size:18px;font-weight:600;color:var(--ink);line-height:1.5}
.versus-mid b{color:var(--jade-deep)}
.forward-note{text-align:center;font-size:13px;color:var(--ink-faint);margin-top:20px}

/* COMMITMENT (word/time) + HSK ROADMAP + FACT */
.commit-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:840px;margin:0 auto 28px}
.cstat{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 20px;text-align:center;box-shadow:var(--shadow)}
.cstat .cs-time{font-family:"Space Mono";font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--cinnabar)}
.cstat .cs-num{font-family:"Bricolage Grotesque";font-size:40px;font-weight:800;color:var(--jade-deep);line-height:1;margin:8px 0 8px}
.cstat .cs-note{font-size:13.5px;color:var(--ink-soft);line-height:1.45}
.roadmap-box{background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px 24px 16px;box-shadow:var(--shadow);max-width:980px;margin:0 auto}
.roadmap-title{font-weight:800;font-size:18px;margin-bottom:3px}
.roadmap-sub{font-size:14px;color:var(--ink-soft);margin-bottom:6px}
.roadmap-scroll{overflow-x:auto}
.roadmap-scroll svg{display:block;min-width:720px;width:100%;height:auto}
.roadmap-note{font-size:12px;color:var(--ink-faint);margin-top:6px;text-align:right}
.fact-band{max-width:920px;margin:26px auto 0;background:var(--ink);color:var(--paper);border-radius:18px;padding:22px 26px;font-size:16px;line-height:1.65;display:flex;gap:14px;align-items:flex-start}
.fact-band .fi{font-size:26px;flex:none;line-height:1}
.fact-band b{color:#7CD9A6;font-weight:700}

/* HSK timeline (wraps to 3+3 on narrow, never scrolls) */
.tl-wrap{margin:10px 0 20px}
.tl{display:grid;grid-template-columns:repeat(6,1fr)}
.tl-node{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;padding-top:52px}
.tl-node::before{content:"";position:absolute;top:26px;left:-50%;right:50%;height:3px;background:var(--line);z-index:0}
.tl-node:first-child::before{display:none}
.tl-node.done::before{background:var(--jade)}
.tl-dot{width:15px;height:15px;border-radius:50%;background:#fff;border:3px solid #C7BFB0;position:absolute;top:20px;z-index:1}
.tl-node.done .tl-dot{background:var(--jade);border-color:var(--jade)}
.tl-node.mark .tl-dot{box-shadow:0 0 0 4px var(--cinnabar-tint);border-color:var(--cinnabar)}
.tl-lvl{font-weight:700;font-size:13.5px;margin-bottom:2px}
.tl-node:not(.done) .tl-lvl{color:var(--ink-faint)}
.tl-node.mark .tl-lvl{color:var(--cinnabar)}
.tl-w{font-family:"Space Mono";font-size:13px;font-weight:700;color:var(--ink)}
.tl-node:not(.done) .tl-w{color:var(--ink-faint)}
.tl-node.mark .tl-w{color:var(--cinnabar)}
.tl-time{position:absolute;top:18px;left:0;transform:translateX(-50%);font-family:"Space Mono";font-size:9.5px;font-weight:700;color:var(--cinnabar);white-space:nowrap;background:#fff;padding:2px 7px;border-radius:7px;border:1px solid var(--line);z-index:2}
.tl-node:first-child .tl-time{display:none}
@media (max-width:720px){
  .tl{grid-template-columns:repeat(3,1fr);row-gap:18px}
  .tl-node:nth-child(3n+1)::before{display:none}
  .tl-node:nth-child(3n+1) .tl-time{display:none}
}

/* capability tiers ladder */
.tiers{display:grid;gap:11px;margin-top:14px}
.tier{position:relative;display:grid;grid-template-columns:118px 1fr 100px;gap:18px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:15px 18px 15px 22px;overflow:hidden}
.tier::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--tier-c,var(--jade))}
.tier.aim{background:#fff;border-color:var(--jade);box-shadow:0 0 0 1.5px var(--jade)}
.tier .t-range{font-family:"Bricolage Grotesque";font-weight:800;font-size:19px;color:var(--jade-deep);line-height:1.05}
.tier .t-range small{display:block;font-family:"Space Mono";font-size:10px;font-weight:700;letter-spacing:.06em;color:var(--ink-faint);text-transform:uppercase;margin-top:2px}
.tier .t-name{font-weight:800;font-size:16px;margin-bottom:3px}
.tier .t-desc{font-size:13px;color:var(--ink-soft);line-height:1.5}
.tier .t-hsk{font-family:"Space Mono";font-size:10.5px;color:var(--jade-deep);background:var(--jade-tint);border-radius:8px;padding:7px 8px;text-align:center;font-weight:700;line-height:1.55}
.aim-tag{position:absolute;top:0;right:0;background:var(--jade);color:#fff;font-family:"Space Mono";font-size:9.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:4px 11px;border-radius:0 13px 0 11px}
@media (max-width:720px){
  .tier{grid-template-columns:1fr;gap:7px;padding:16px 18px}
  .tier .t-hsk{justify-self:start;padding:6px 12px}
  .aim-tag{position:static;display:inline-block;border-radius:6px;margin-bottom:8px;padding:4px 9px}
}
@media (max-width:900px){.commit-stats{grid-template-columns:1fr}}

@media (max-width:900px){
  .versus{grid-template-columns:1fr}
  .chatbox{height:min(80vh,720px)}
}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:16px}
  .hero-art{height:auto;margin-top:8px}.han-hero{font-size:230px}
  .pp-feature{grid-template-columns:1fr;gap:26px;padding:26px}
  .pp-grid{grid-template-columns:1fr}
  .loop{grid-template-columns:1fr 1fr}
  .teaser{grid-template-columns:1fr}
  .cmp{font-size:12.5px}.cmp th,.cmp td{padding:11px 9px}
  .sec{padding:60px 0}
  .nav-links a:not(.btn){display:none}
  .plan-solo{padding:32px 24px}
  .card-pad{padding:28px 24px}.q-title{font-size:21px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

/* ===== PayOS QR payment modal ===== */
.pay-modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.pay-modal.open{display:flex}
.pay-backdrop{position:absolute;inset:0;background:rgba(35,32,27,.55);backdrop-filter:blur(3px)}
.pay-card{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:20px;box-shadow:0 30px 70px rgba(35,32,27,.32);width:100%;max-width:392px;padding:30px 26px 26px;text-align:center;animation:payIn .22s ease}
@keyframes payIn{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.pay-x{position:absolute;top:12px;right:14px;width:34px;height:34px;border:none;background:transparent;font-size:26px;line-height:1;color:var(--ink-faint);cursor:pointer;border-radius:8px}
.pay-x:hover{background:var(--paper-2);color:var(--ink)}
.pay-h{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:21px;color:var(--ink)}
.pay-amt{color:var(--ink-soft);font-size:15px;margin-top:4px}
.pay-amt b{color:var(--jade);font-size:19px}
.pay-qr-wrap{display:flex;justify-content:center;margin:18px 0 6px}
.pay-qr{width:232px;height:232px;background:#fff;border:1px solid var(--line);border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.pay-qr canvas{display:block}
.pay-spin{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--jade);border-radius:50%;animation:paySpin .8s linear infinite}
@keyframes paySpin{to{transform:rotate(360deg)}}
.pay-bank{margin:14px 0 4px;border:1px solid var(--line);border-radius:12px;overflow:hidden;text-align:left}
.pb-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:9px 14px;font-size:14px;color:var(--ink-soft)}
.pb-row+.pb-row{border-top:1px solid var(--line)}
.pb-row b{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}
.pay-status{margin-top:12px;font-size:14.5px;font-weight:600;color:var(--ink-soft)}
.pay-status.wait{color:var(--jade)}
.pay-status.wait::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--jade);margin-right:7px;vertical-align:middle;animation:payPulse 1s ease-in-out infinite}
@keyframes payPulse{0%,100%{opacity:.3}50%{opacity:1}}
.pay-status.err{color:var(--cinnabar)}
.pay-hint{font-size:12.5px;color:var(--ink-faint);margin-top:10px;line-height:1.5}
.pay-alt{display:inline-block;margin-top:8px;font-size:13px;color:var(--jade);text-decoration:underline;font-weight:600}
.pay-done{padding:14px 4px 4px}
.pay-check{width:64px;height:64px;margin:0 auto 14px;border-radius:50%;background:var(--jade-tint);color:var(--jade);display:flex;align-items:center;justify-content:center;font-size:34px;font-weight:900}
.pay-done p{color:var(--ink-soft);font-size:15px;margin:8px 0 18px}