:root{--ink:#202420;--muted:#68716d;--line:#e5e8e6;--jp:#214f77;--jp-soft:#edf3f7;--jp-mid:#d9e5ed;--learn:#2f776c;--travel:#b27b00;--tool:#343b3a;--footer:#292a25;--serif:"Noto Serif TC","Songti TC","PMingLiU",serif;--sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;--max:1120px}
*{box-sizing:border-box}html{font-family:var(--sans);color:var(--ink);background:#fff;overflow-x:hidden}body{margin:0;line-height:1.7;background:#fff;overflow-x:clip}a{color:inherit}.shell{width:min(var(--max),calc(100% - 72px));margin-inline:auto}.skip{position:fixed;left:12px;top:10px;z-index:1000;transform:translateY(-150%);background:#fff;border:1px solid var(--ink);padding:8px 12px;text-decoration:none;font-size:12px}.skip:focus{transform:none}
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.head-in{min-height:72px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}.mark-wrap{position:relative;width:42px;height:42px;display:grid;place-items:start;flex:0 0 42px}.mark-shadow{position:absolute;z-index:0;left:0;top:0;width:36px;height:36px;display:grid;grid-template-rows:repeat(4,1fr);overflow:hidden;opacity:0;transition:transform .18s ease,opacity .18s ease}.mark-shadow i:nth-child(1){background:rgba(33,79,119,.16)}.mark-shadow i:nth-child(2){background:rgba(47,119,108,.16)}.mark-shadow i:nth-child(3){background:rgba(178,123,0,.16)}.mark-shadow i:nth-child(4){background:rgba(52,59,58,.14)}.mark{position:relative;z-index:1;width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--ink);font-family:var(--serif);font-size:19px;background:#fff;transition:transform .18s ease}.brand:hover .mark{transform:translate(-2px,-2px)}.brand:hover .mark-shadow{opacity:1;transform:translate(5px,5px)}.brand-copy strong{display:block;font-family:var(--serif);font-size:16px;line-height:1.25}.brand-copy small{display:block;margin-top:3px;color:var(--muted);font-size:10px;white-space:nowrap}.nav{margin-left:auto;display:flex;gap:26px;align-items:center}.nav a{--c:#555f5c;position:relative;color:var(--c);font-size:12px;font-weight:800;text-decoration:none;padding:8px 0}.nav .jp{--c:var(--jp)}.nav .learn{--c:var(--learn)}.nav .travel{--c:var(--travel)}.nav .tool{--c:var(--tool)}.nav a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;background:currentColor;transform:scaleX(0);transition:transform .18s ease}.nav a:hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1)}
.reading-hero{border-bottom:1px solid var(--line);background:linear-gradient(90deg,#fff 0%,#fff 68%,var(--jp-soft) 100%)}.hero-in{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:68px;padding:56px 0 49px}.crumb{margin:0 0 14px;color:var(--jp);font-size:10px;font-weight:850;letter-spacing:.12em}.hero-copy h1{margin:0;font-family:var(--serif);font-size:58px;line-height:1.08;font-weight:620;letter-spacing:-.02em}.hero-copy p{max-width:39em;margin:15px 0 0;color:#4d5853;font-size:14px}.hero-side{align-self:end;border-top:1px solid var(--jp)}.hero-stat{padding:15px 0;border-bottom:1px solid var(--jp-mid)}.hero-stat strong{display:block;font-family:Georgia,serif;font-size:34px;color:var(--jp);line-height:1}.hero-stat small{display:block;margin-top:5px;color:var(--muted);font-size:10px}.hero-links a{display:flex;justify-content:space-between;gap:18px;padding:11px 0;border-bottom:1px solid var(--jp-mid);font-family:var(--serif);font-size:13px;text-decoration:none}.hero-links a:hover{color:var(--jp)}
.section{padding:43px 0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;padding-bottom:11px;border-bottom:1px solid var(--ink)}.section-title h2{margin:0;font-family:var(--serif);font-size:24px;font-weight:650}.section-title p{margin:0;color:var(--muted);font-size:11px}
.reading-list{border-bottom:1px solid var(--line)}.reading-entry{position:relative;display:grid;grid-template-columns:125px minmax(0,1fr) 28px;gap:30px;align-items:start;padding:27px 0;border-top:1px solid var(--line)}.reading-entry:first-child{border-top:0}.reading-hit{position:absolute;inset:0;z-index:1}.reading-date{position:relative;z-index:2;pointer-events:none;padding-top:3px}.reading-date strong{display:block;font-family:Georgia,serif;color:var(--jp);font-size:20px;font-weight:400;letter-spacing:.01em}.reading-date small{display:block;margin-top:5px;color:var(--muted);font-size:9px}.reading-body{position:relative;z-index:2;pointer-events:none}.reading-meta{display:flex;flex-wrap:wrap;gap:6px 14px;color:var(--jp);font-size:9px;font-weight:850;letter-spacing:.06em}.reading-body h2{margin:8px 0 0;font-family:var(--serif);font-size:23px;line-height:1.35;font-weight:650}.reading-body p{margin:8px 0 0;max-width:54em;color:#5e6964;font-size:11.5px;line-height:1.75}.focus-chips{display:flex;flex-wrap:wrap;gap:5px 14px;margin-top:12px}.focus-chips span{position:relative;padding-left:10px;color:#6d7772;font-size:10px}.focus-chips span::before{content:"";position:absolute;left:0;top:.72em;width:4px;height:1px;background:var(--jp)}.reading-arrow{position:relative;z-index:2;pointer-events:none;align-self:center;color:var(--jp);font-size:15px;transition:transform .16s ease}.reading-entry:hover .reading-body h2{color:var(--jp)}.reading-entry:hover .reading-arrow{transform:translateX(4px)}.reading-entry:focus-within{outline:2px solid var(--jp);outline-offset:5px}
.method-grid{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line)}.method{min-height:180px;padding:22px 22px 24px;border-right:1px solid var(--line)}.method:first-child{padding-left:0}.method:last-child{border-right:0}.method small{color:var(--jp);font-size:9px;font-weight:850;letter-spacing:.08em}.method h3{margin:15px 0 0;font-family:var(--serif);font-size:19px;line-height:1.4;font-weight:650}.method p{margin:8px 0 0;color:var(--muted);font-size:10.8px;line-height:1.75}.method strong{display:block;margin-top:16px;color:#4d5954;font-size:10px;font-weight:700}
.cross-links{display:grid;grid-template-columns:repeat(3,1fr);gap:0 24px;padding-top:18px}.cross-links a{display:flex;justify-content:space-between;gap:15px;padding:13px 0;border-bottom:1px solid var(--line);font-family:var(--serif);font-size:13px;font-weight:650;text-decoration:none}.cross-links a:hover{color:var(--jp)}
.footer{margin-top:24px;background:var(--footer);color:#f2f2ed;padding:34px 0 40px}.footer-in{display:flex;justify-content:space-between;gap:30px}.footer-links{display:flex;flex-wrap:wrap;gap:10px 18px}.footer a{color:inherit;font-size:10.5px;text-decoration:none}.footer a:hover{text-decoration:underline}.footer p{margin:0;color:#b9bbb4;font-size:10.5px}
@media(max-width:1000px){.shell{width:calc(100% - 48px)}.hero-in{grid-template-columns:minmax(0,1fr) 250px;gap:38px;padding:48px 0 43px}.hero-copy h1{font-size:48px}.reading-entry{grid-template-columns:105px minmax(0,1fr) 24px;gap:22px}.method{padding:20px 18px 22px}.method:first-child{padding-left:0}}
@media(max-width:720px){.shell{width:calc(100% - 28px)}.site-head{position:relative}.head-in{min-height:auto;display:grid;grid-template-columns:1fr;padding:11px 0 0;gap:8px}.brand-copy strong{font-size:14.5px}.brand-copy small{font-size:8.5px}.nav{width:calc(100% + 28px);margin-left:-14px;display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.nav a{min-height:48px;display:flex;align-items:center;justify-content:center;border-right:1px solid var(--line);font-size:10.5px;padding:0 4px}.nav a:last-child{border-right:0}.nav a[aria-current="page"]{background:rgba(33,79,119,.055)}.nav a::after{left:10px;right:10px;bottom:0;height:2px}.reading-hero{background:linear-gradient(180deg,#fff 0%,#fff 78%,var(--jp-soft) 100%)}.hero-in{display:block;padding:31px 0 30px}.hero-copy h1{font-size:38px}.hero-copy p{font-size:12.5px;line-height:1.75}.hero-side{margin-top:25px}.hero-stat{display:flex;align-items:baseline;gap:8px}.hero-stat strong{font-size:28px}.hero-stat small{margin:0}.section{padding:32px 0}.section-title{display:block}.section-title h2{font-size:21px}.section-title p{margin-top:4px}.reading-entry{grid-template-columns:68px minmax(0,1fr) 18px;gap:10px;padding:21px 0}.reading-date strong{font-size:16px;line-height:1.2}.reading-date small{font-size:8.5px}.reading-meta{gap:4px 10px;font-size:8px}.reading-body h2{margin-top:6px;font-size:17px;line-height:1.45}.reading-body p{font-size:10.8px;line-height:1.68}.focus-chips{gap:3px 10px;margin-top:9px}.focus-chips span{font-size:9px}.method-grid{grid-template-columns:1fr}.method{min-height:0;padding:17px 0;border-right:0;border-top:1px solid var(--line)}.method:first-child{border-top:0}.method h3{margin-top:5px;font-size:17px}.method p{margin-top:5px}.method strong{margin-top:9px}.cross-links{grid-template-columns:1fr;padding-top:12px}.footer{padding:28px 0 32px}.footer-in{display:block}.footer p{margin-top:10px}}
@media(max-width:390px){.shell{width:calc(100% - 24px)}.nav{width:calc(100% + 24px);margin-left:-12px}.hero-copy h1{font-size:35px}.reading-entry{grid-template-columns:62px minmax(0,1fr) 16px;gap:8px}.reading-body h2{font-size:16px}}

/* Final responsive QA polish */
.section-title h2,
.grammar-main strong,
.vocab-main strong,
.practice-main strong,
.reading-body h2,
.track-name strong,
.method h3 { text-wrap: balance; }
.hero-copy p,
.section-title p,
.grammar-main small,
.vocab-main small,
.practice-main small,
.reading-body p,
.track-desc,
.method p { text-wrap: pretty; }
@media (max-width:720px){
  .hero-copy h1{ text-wrap:balance; }
  .grammar-main,.vocab-main,.practice-main,.reading-body{min-width:0}
}