:root{
  color-scheme:dark;
  --bg:#030e1d;
  --bg-deep:#020a15;
  --surface:#07192e;
  --surface-strong:#0a2039;
  --surface-soft:#0b1d34;
  --line:#24415f;
  --line-soft:rgba(91,126,163,.28);
  --text:#f7f9fd;
  --muted:#a7b5c8;
  --muted-2:#75879e;
  --teal:#3ee8d0;
  --blue:#3e9df6;
  --violet:#a47af9;
  --amber:#f6a723;
  --shadow:0 24px 70px rgba(0,0,0,.28);
  --font-ui:"Segoe UI",system-ui,sans-serif;
  --font-en:"Segoe UI",Inter,Arial,sans-serif;
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{min-width:320px;background:var(--bg-deep);scroll-behavior:smooth}
body{
  min-height:100vh;
  margin:0;
  overflow-x:hidden;
  color:var(--text);
  font-family:var(--font-ui);
  background:
    radial-gradient(circle at 8% 8%,rgba(28,134,150,.13),transparent 27%),
    radial-gradient(circle at 90% 18%,rgba(38,91,158,.10),transparent 24%),
    linear-gradient(145deg,var(--bg-deep),var(--bg) 46%,#041329);
}
button,input{font:inherit}
button,a{outline-offset:4px}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(62,232,208,.72)}
a{color:inherit;text-decoration:none}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}

.page-shell{width:min(1440px,calc(100% - 64px));margin:0 auto}
.site-header{min-height:98px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:13px;min-width:0}
.brand-mark{width:52px;height:52px;flex:0 0 auto;border:1px solid rgba(113,245,226,.48);border-radius:16px;display:grid;place-items:center;overflow:hidden;color:#fff;background:linear-gradient(145deg,#147d91,#326ceb 58%,#33c985);box-shadow:0 0 28px rgba(43,213,195,.26),inset 0 1px 0 rgba(255,255,255,.28);font:900 27px/1 var(--font-en)}
.brand-mark img{width:100%;height:100%;display:block;object-fit:cover}
.brand-copy{display:block;min-width:0}
.brand-copy strong{display:block;font-size:23px;font-weight:900;line-height:1.1;letter-spacing:.02em}
.brand-copy small{display:block;margin-top:5px;color:#c0cede;font:13px/1 var(--font-en)}
.back-link{min-height:42px;display:inline-flex;align-items:center;gap:8px;padding:8px 12px;color:#dce5f0;font-size:16px;font-weight:650;transition:color .18s ease,transform .18s ease}
.back-link:hover{color:#fff;transform:translateX(-2px)}
.back-link svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

.intro{padding:24px 0 28px}
.intro h1{margin:0;font-size:clamp(48px,5.1vw,68px);font-weight:900;line-height:1.05;letter-spacing:.04em}
.intro p{margin:13px 0 0;color:#b7c2d1;font-size:19px;line-height:1.65}

.skill-switcher{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);border-radius:17px;background:linear-gradient(135deg,rgba(10,31,55,.78),rgba(5,19,37,.88));box-shadow:inset 0 1px 0 rgba(255,255,255,.025);overflow:hidden}
.skill-item{position:relative;min-height:98px;border:0;border-right:1px solid var(--line-soft);padding:18px 24px;display:flex;align-items:center;gap:18px;color:#b6c2d1;background:transparent;text-align:left}
.skill-item:last-child{border-right:0}
.skill-item:not(:disabled){cursor:pointer}
.skill-item:disabled{opacity:1;cursor:default}
.skill-item.is-active{margin:-1px;border:1px solid #1a9fa2;border-radius:17px;color:#f7ffff;background:linear-gradient(115deg,rgba(19,82,91,.72),rgba(13,44,64,.72));box-shadow:inset 0 0 28px rgba(62,232,208,.06)}
.skill-item.is-active::after{display:none}
.skill-icon{width:42px;height:42px;display:grid;place-items:center;flex:0 0 auto;color:var(--blue)}
.skill-item.speaking .skill-icon{color:var(--teal)}
.skill-item.writing .skill-icon{color:var(--blue)}
.skill-item.reading .skill-icon{color:var(--violet)}
.skill-item.listening .skill-icon{color:var(--amber)}
.skill-icon svg{width:36px;height:36px;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.skill-copy{min-width:0;display:block}
.skill-copy strong{display:block;font-size:19px;font-weight:800;white-space:nowrap}
.skill-copy i{margin:0 5px;color:#8090a5;font-style:normal;font-weight:500}
.skill-copy b{color:#98a9be;font:800 13px/1 var(--font-en);letter-spacing:.14em}
.skill-item.is-active .skill-copy b{color:var(--teal)}
.skill-copy small{display:block;margin-top:8px;color:#8192a9;font-size:15px}
.skill-item.is-active .skill-copy small{color:#a5eee5}

.speaking-workspace,.writing-workspace,.reading-workspace,.listening-workspace{padding:38px 0 18px}
.workspace-toolbar{display:grid;grid-template-columns:285px minmax(270px,1fr) auto;gap:26px;align-items:center;margin-bottom:20px}
.workspace-toolbar h2{margin:0;font-size:30px;font-weight:900;line-height:1.18;letter-spacing:.01em}
.search-box{height:52px;display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:10px;padding:0 16px;background:rgba(8,24,44,.74);transition:border-color .18s ease,box-shadow .18s ease}
.search-box:focus-within{border-color:#2caeb0;box-shadow:0 0 0 3px rgba(62,232,208,.08)}
.search-box svg{width:23px;height:23px;flex:0 0 auto;stroke:#8999ae;stroke-width:1.8;stroke-linecap:round}
.search-box input{min-width:0;width:100%;height:100%;border:0;outline:0;color:#f5f8fc;background:transparent;font-size:16px}
.search-box input::placeholder{color:#71839a}
.search-box input::-webkit-search-cancel-button{filter:invert(1);opacity:.5}
.part-filters{display:flex;align-items:center;justify-content:flex-end;gap:14px}
.reading-workspace .part-filters,.listening-workspace .part-filters{grid-column:1/-1;justify-content:flex-start;flex-wrap:wrap}
.reading-workspace .part-filter,.listening-workspace .part-filter{flex:1 1 170px}
.part-filter{min-height:52px;border:1px solid var(--line);border-radius:9px;padding:0 20px;color:#b5c0ce;background:rgba(8,23,42,.7);font:800 15px/1 var(--font-en);white-space:nowrap;cursor:pointer;transition:border-color .18s ease,color .18s ease,background .18s ease,transform .18s ease}
.part-filter span{font-family:var(--font-ui);font-weight:700}
.part-filter:hover{color:#fff;border-color:#3d607f;transform:translateY(-1px)}
.part-filter.is-active{border-color:#1fa6a5;color:#effffd;background:linear-gradient(135deg,rgba(14,94,95,.62),rgba(10,45,62,.82));box-shadow:inset 0 0 20px rgba(62,232,208,.07)}

.topic-layout{display:grid;grid-template-columns:350px minmax(0,1fr);gap:22px;align-items:start}
.topic-rail,.topic-detail,.empty-state{border:1px solid var(--line);border-radius:16px;background:linear-gradient(145deg,rgba(9,29,52,.92),rgba(5,20,38,.94));box-shadow:var(--shadow)}
.topic-rail{min-width:0;overflow:hidden}
.topic-list{max-height:448px;overflow:auto;scrollbar-width:thin;scrollbar-color:#31506e transparent}
.topic-item{position:relative;width:100%;min-height:56px;border:0;border-bottom:1px solid rgba(65,96,128,.38);padding:7px 19px;display:grid;grid-template-columns:38px minmax(0,1fr) 22px;gap:12px;align-items:center;color:#b7c4d5;background:transparent;text-align:left;cursor:pointer;transition:color .18s ease,background .18s ease}
.topic-item:last-child{border-bottom:0}
.topic-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:transparent}
.topic-item:hover{color:#eef7ff;background:rgba(19,53,79,.6)}
.topic-item.is-active{color:#f3ffff;background:linear-gradient(110deg,rgba(15,101,101,.62),rgba(12,54,70,.7))}
.topic-item.is-active::before{background:var(--teal);box-shadow:0 0 12px rgba(62,232,208,.45)}
.topic-icon{width:34px;height:34px;display:grid;place-items:center;color:#91a5bc}
.topic-item.is-active .topic-icon,.topic-item.is-active .topic-arrow{color:var(--teal)}
.topic-icon svg{width:26px;height:26px;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.topic-label{min-width:0}
.topic-label strong{display:block;overflow:hidden;color:inherit;font-size:17px;font-weight:780;text-overflow:ellipsis;white-space:nowrap}
.topic-label small{display:block;overflow:hidden;margin-top:4px;color:#71869d;font:11px/1.2 var(--font-en);letter-spacing:.03em;text-overflow:ellipsis;white-space:nowrap}
.topic-item.is-active .topic-label small{color:#9cc5cb}
.topic-arrow{width:21px;height:21px;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.topic-count{margin:0;padding:10px 18px;border-top:1px solid rgba(65,96,128,.38);color:#71869e;background:rgba(3,15,30,.36);font-size:12px;text-align:center}
.topic-count strong{color:#9db2c8;font:800 13px/1 var(--font-en)}

.topic-detail{min-width:0;min-height:0;padding:20px 28px 30px}
.topic-detail-header{display:flex;align-items:flex-start;justify-content:space-between;gap:28px}
.topic-detail-header h3{margin:0;font-size:30px;font-weight:900;line-height:1.2;letter-spacing:.02em}
.topic-detail-header p{margin:5px 0 0;color:#97a8bc;font:18px/1.3 var(--font-en)}
.topic-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.topic-actions button{min-height:46px;border:1px solid #31516f;border-radius:9px;padding:0 17px;display:inline-flex;align-items:center;justify-content:center;gap:9px;color:#c4d0dd;background:rgba(7,24,43,.65);font-size:15px;font-weight:700;cursor:pointer;transition:border-color .18s ease,color .18s ease,background .18s ease,transform .18s ease}
.topic-actions button:hover{color:#fff;border-color:#4680a0;background:#0d2a48;transform:translateY(-1px)}
.topic-actions svg{width:21px;height:21px;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.topic-summary{margin:11px 0 0;color:#a9b7c8;font-size:13px;line-height:1.6}
.material-note{margin:4px 0 0;color:#71869e;font-size:11px;line-height:1.45}
.question-groups{margin-top:12px;border-top:1px solid rgba(74,105,137,.34)}
.question-group{display:grid;grid-template-columns:108px minmax(0,1fr);gap:26px;padding:10px 8px;border-bottom:1px solid rgba(74,105,137,.34)}
.question-group:last-child{border-bottom:0}
.part-heading{padding:2px 20px 2px 0;border-right:1px solid rgba(84,116,149,.48)}
.part-heading strong,.part-heading span{display:block}
.part-heading strong{font:850 20px/1.2 var(--font-en)}
.part-heading span{margin-top:6px;color:#8ea0b5;font-size:13px;line-height:1.3}
.part-one .part-heading strong{color:var(--teal)}
.part-two .part-heading strong{color:var(--blue)}
.part-three .part-heading strong{color:var(--violet)}
.question-group ol{margin:0;padding-left:28px;color:#f1f4f8;font:16px/1.5 var(--font-en)}
.question-group li{padding-left:4px}
.question-group li+li{margin-top:4px}
.part-two-content{min-width:0}
.part-two-prompt{margin:0;color:#f0f4f9;font:16px/1.5 var(--font-en)}
.cue-heading{margin:7px 0 4px;color:#71869e;font:11px/1 var(--font-en);text-transform:uppercase;letter-spacing:.08em}
.cue-list{margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 17px;color:#8294aa;font:13px/1.55 var(--font-en);list-style:none}
.cue-list li::before{content:"-";margin-right:6px;color:#4d718f}

.topic-article{margin-top:22px;padding:28px 8px 6px;border-top:1px solid rgba(74,105,137,.42)}
.topic-article-heading{max-width:900px}
.topic-article-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px}
.topic-article-toolbar>span{display:block;color:var(--teal);font:800 13px/1 var(--font-en);letter-spacing:.11em;text-transform:uppercase}
.font-size-controls{display:flex;align-items:center;gap:8px}
.font-size-controls button{height:36px;border:1px solid rgba(62,232,208,.32);border-radius:9px;display:inline-grid;place-items:center;color:#d9fffa;background:rgba(16,77,78,.38);cursor:pointer;transition:border-color .18s ease,background .18s ease,transform .18s ease}
.font-size-controls .font-step-button{width:36px;font:700 22px/1 var(--font-en)}
.read-article-button{width:36px;padding:0}
.read-article-button svg{width:21px;height:21px;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.read-article-button.is-reading{border-color:var(--teal);background:rgba(22,105,103,.7);box-shadow:0 0 0 3px rgba(62,232,208,.12)}
.copy-mode-toggle{min-height:36px;display:inline-flex;align-items:center;gap:9px;color:#b9c8d8;font:800 13px/1 var(--font-en);white-space:nowrap;cursor:pointer;user-select:none}
.copy-mode-toggle input{position:absolute;opacity:0;pointer-events:none}
.copy-mode-switch{position:relative;width:42px;height:24px;border:1px solid rgba(62,232,208,.32);border-radius:999px;background:rgba(9,28,48,.82);transition:border-color .18s ease,background .18s ease}
.copy-mode-switch::after{content:"";position:absolute;left:3px;top:3px;width:16px;height:16px;border-radius:50%;background:#91a5bc;transition:transform .18s ease,background .18s ease}
.copy-mode-toggle:hover .copy-mode-switch{border-color:var(--teal)}
.copy-mode-toggle input:checked+.copy-mode-switch{border-color:var(--teal);background:rgba(22,105,103,.58)}
.copy-mode-toggle input:checked+.copy-mode-switch::after{transform:translateX(18px);background:#d9fffa}
.copy-mode-toggle input:focus-visible+.copy-mode-switch{outline:3px solid rgba(62,232,208,.72);outline-offset:3px}
.font-size-controls button:hover:not(:disabled){border-color:var(--teal);background:rgba(22,105,103,.55);transform:translateY(-1px)}
.font-size-controls button:disabled{cursor:not-allowed;opacity:.38}
.font-size-controls output{min-width:48px;color:#a8b8c9;font:700 13px/1 var(--font-en);text-align:center}
.topic-article-heading p{margin:10px 0 0;color:#8297ad;font:14px/1.55 var(--font-en)}
.topic-articles{max-width:900px}
.speaking-script{padding-top:26px;margin-top:26px;border-top:1px solid rgba(74,105,137,.36)}
.speaking-script-heading>span{display:block;font:800 13px/1 var(--font-en);letter-spacing:.08em;text-transform:uppercase}
.part1-script .speaking-script-heading>span{color:var(--teal)}
.part2-script .speaking-script-heading>span{color:var(--blue)}
.part3-script .speaking-script-heading>span{color:var(--violet)}
.writing-script .speaking-script-heading>span{color:var(--blue)}
.reading-script .speaking-script-heading>span{color:var(--violet)}
.listening-script .speaking-script-heading>span{color:var(--amber)}
.speaking-script-heading h4{margin:11px 0 0;color:#f5f8fc;font:850 28px/1.25 var(--font-en);letter-spacing:-.01em}
.topic-article-content{min-width:0;margin-top:20px}
.topic-article-body{display:block}
.topic-article-body p{margin:0;color:#c4cfdb;font:var(--article-font-size,27px)/1.7 var(--font-en)}
.topic-article-body p+p{margin-top:18px}
.copy-unit+.copy-unit{margin-top:18px}
.copy-practice{display:none;margin-top:9px;color:#dbe8f3;font:var(--article-font-size,27px)/1.7 var(--font-en)}
.topic-article.copy-mode .copy-practice{display:block}
.copy-word{display:inline-flex;align-items:flex-end;margin:0 .28em .42em 0;vertical-align:baseline}
.copy-word input{width:var(--copy-width,1.8em);min-width:0;height:1.35em;border:0;border-bottom:2px solid rgba(195,225,238,.8);border-radius:0;padding:0;color:#f7fbff;background:transparent;font:inherit;line-height:1.1;text-align:left;outline:0}
.copy-word input:focus{border-bottom-color:var(--teal);box-shadow:0 4px 0 rgba(62,232,208,.12)}
.copy-word input.is-correct{color:var(--teal);border-bottom-color:var(--teal);text-shadow:0 0 12px rgba(62,232,208,.26)}
.useful-language{margin-top:25px;padding-top:18px;border-top:1px solid rgba(74,105,137,.28);display:flex;align-items:flex-start;gap:17px}
.useful-language strong{padding-top:7px;color:#8ca1b7;font:800 12px/1 var(--font-en);letter-spacing:.09em;text-transform:uppercase;white-space:nowrap}
.useful-language ul{margin:0;padding:0;display:flex;flex-wrap:wrap;gap:9px;list-style:none}
.useful-language li{padding:7px 12px;border:1px solid rgba(62,232,208,.23);border-radius:999px;color:#b6eee7;background:rgba(27,113,107,.16);font:14px/1.25 var(--font-en)}
.writing-requirements{align-items:flex-start}
.writing-requirements li{flex-basis:calc(50% - 17px)}

.empty-state{grid-column:2;min-height:525px;padding:60px 28px;display:grid;place-content:center;text-align:center}
.empty-state svg{width:48px;height:48px;margin:0 auto 18px;stroke:#68839f;stroke-width:1.5;stroke-linecap:round}
.empty-state h3{margin:0;font-size:23px}
.empty-state p{margin:10px 0 0;color:var(--muted);font-size:14px}
.continuation{margin:15px 0 0;color:#708198;font-size:14px;text-align:center}
.continuation span{margin-right:12px;color:#94a7bd;font-size:22px;vertical-align:-2px}

.speaking-guides{padding:48px 0 58px;border-top:1px solid var(--line-soft);scroll-margin-top:24px}
.guides-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:24px}
.guides-heading h2{margin:0;font-size:34px;font-weight:900;line-height:1.2;letter-spacing:-.015em}
.guides-heading p{max-width:720px;margin:10px 0 0;color:#91a3b7;font-size:15px;line-height:1.7}
.guide-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.guide-card{position:relative;min-height:282px;padding:26px 25px 23px;border:1px solid var(--line);border-radius:17px;display:flex;flex-direction:column;overflow:hidden;background:linear-gradient(145deg,rgba(9,31,55,.92),rgba(5,20,38,.96));box-shadow:var(--shadow);transition:transform .18s ease,border-color .18s ease,background .18s ease}
.guide-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--guide-accent)}
.guide-card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--guide-accent) 56%,var(--line));background:linear-gradient(145deg,rgba(11,39,66,.96),rgba(6,24,44,.98))}
.part-one-guide{--guide-accent:var(--teal)}
.part-two-guide{--guide-accent:var(--blue)}
.part-three-guide{--guide-accent:var(--violet)}
.guide-card-number{position:absolute;right:20px;top:18px;color:rgba(178,199,220,.18);font:900 34px/1 var(--font-en)}
.guide-card>p{margin:0;color:var(--guide-accent);font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.guide-card h3{max-width:320px;margin:23px 0 0;color:#f3f7fb;font-size:23px;font-weight:850;line-height:1.28}
.guide-card-summary{margin:14px 0 0;color:#96a9bd;font-size:14px;line-height:1.65}
.guide-card-link{margin-top:auto;padding-top:21px;color:#d6e2ee;font-size:13px;font-weight:800}
.guide-card-link b{margin-left:7px;color:var(--guide-accent);font-size:18px}

.site-footer{min-height:82px;margin:20px 0 24px;padding:18px 22px;border-top:1px solid rgba(72,102,134,.28);display:flex;align-items:center;justify-content:space-between;gap:22px;color:#71849a;font-size:13px}
.site-footer nav{display:flex;align-items:center;justify-content:flex-end;gap:22px}
.site-footer a{color:#92a9c0;transition:color .18s ease}
.site-footer a:hover{color:var(--teal)}

@media(max-width:1280px){
  .page-shell{width:min(1160px,calc(100% - 48px))}
  .workspace-toolbar{grid-template-columns:260px minmax(300px,1fr);gap:18px}
  .part-filters{grid-column:1/-1;justify-content:flex-start}
  .part-filter{flex:1}
  .topic-layout{grid-template-columns:310px minmax(0,1fr)}
  .skill-item{padding-inline:19px;gap:13px}
  .skill-copy strong{font-size:17px}
  .skill-item.is-active::after{left:99px;width:74px}
}

@media(max-width:980px){
  .skill-switcher{grid-template-columns:repeat(2,minmax(0,1fr))}
  .skill-item{border-bottom:1px solid var(--line-soft)}
  .skill-item:nth-child(2){border-right:0}
  .skill-item:nth-child(3),.skill-item:nth-child(4){border-bottom:0}
  .skill-item.is-active{border:1px solid #1a9fa2}
  .topic-layout{grid-template-columns:270px minmax(0,1fr);gap:16px}
  .topic-detail{padding:28px 26px 18px}
  .topic-detail-header{display:block}
  .topic-actions{margin-top:18px}
  .question-group{grid-template-columns:92px minmax(0,1fr);gap:18px}
}

@media(max-width:780px){
  .page-shell{width:min(720px,calc(100% - 28px))}
  .site-header{min-height:82px}
  .brand-mark{width:46px;height:46px;border-radius:14px}
  .brand-copy strong{font-size:20px}
  .intro{padding:22px 0 25px}
  .intro h1{font-size:48px}
  .intro p{font-size:17px}
  .workspace-toolbar{grid-template-columns:1fr}
  .workspace-toolbar h2,.part-filters{grid-column:auto}
  .part-filters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
  .part-filter{min-height:58px;padding:8px 12px;white-space:normal;line-height:1.15}
  .part-filter span{display:block;margin-top:4px;font-size:11px;line-height:1.2}
  .topic-layout{grid-template-columns:1fr}
  .topic-rail{box-shadow:0 18px 40px rgba(0,0,0,.22)}
  .topic-list{max-height:none;display:flex;overflow-x:auto;scroll-snap-type:x proximity}
  .topic-item{min-width:232px;border-right:1px solid rgba(65,96,128,.38);border-bottom:0;scroll-snap-align:start}
  .topic-count{text-align:left}
  .empty-state{grid-column:1;min-height:420px}
  .topic-detail{min-height:0}
  .guide-card-grid{grid-template-columns:1fr}
  .guide-card{min-height:245px}
}

@media(max-width:560px){
  .page-shell{width:calc(100% - 20px)}
  .site-header{align-items:center;gap:10px}
  .brand{gap:9px}
  .brand-mark{width:42px;height:42px;border-radius:12px}
  .brand-copy strong{font-size:18px}
  .brand-copy small{font-size:11px}
  .back-link{padding-inline:4px;font-size:13px}
  .back-link svg{width:18px;height:18px}
  .intro h1{font-size:42px}
  .intro p{margin-top:9px;font-size:15px}
  .skill-item{min-height:88px;padding:13px 11px;gap:9px}
  .skill-icon{width:32px;height:32px}
  .skill-icon svg{width:29px;height:29px}
  .skill-copy strong{font-size:15px}
  .skill-copy b,.skill-copy i{display:none}
  .skill-copy small{margin-top:6px;font-size:12px}
  .skill-item.is-active::after{left:53px;bottom:17px;width:64px;height:3px}
  .speaking-workspace,.writing-workspace,.reading-workspace,.listening-workspace{padding-top:29px}
  .workspace-toolbar h2{font-size:27px}
  .search-box{height:49px}
  .part-filter{min-height:58px;font-size:13px}
  .topic-item{min-width:208px;padding-inline:14px;grid-template-columns:33px minmax(0,1fr) 18px}
  .topic-detail{padding:23px 17px 14px;border-radius:14px}
  .topic-detail-header h3{font-size:28px}
  .topic-detail-header p{font-size:16px}
  .topic-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .topic-actions button{min-width:0;padding:0 8px;font-size:13px}
  .topic-actions svg{width:18px;height:18px}
  .topic-summary{font-size:13px}
  .question-group{grid-template-columns:1fr;gap:13px;padding:19px 2px}
  .part-heading{padding:0;border-right:0;display:flex;align-items:baseline;gap:9px}
  .part-heading strong{font-size:18px}
  .part-heading span{margin:0;font-size:12px}
  .question-group ol{padding-left:23px;font-size:15px;line-height:1.65}
  .part-two-prompt{font-size:15px}
  .cue-list{display:block}
  .writing-requirements li{margin-top:4px}
  .topic-article{margin-top:20px;padding:24px 2px 7px}
  .topic-article-heading p{font-size:14px}
  .speaking-script{padding-top:22px;margin-top:22px}
  .speaking-script-heading h4{font-size:24px;line-height:1.3}
  .topic-article-content{margin-top:19px}
  .topic-article-body p{font-size:var(--article-font-size,26px);line-height:1.7}
  .topic-article-body p+p{margin-top:16px}
  .useful-language{display:block}
  .useful-language ul{margin-top:12px}
  .useful-language li{font-size:13px}
  .topic-article-toolbar{align-items:flex-start}
  .font-size-controls{flex-wrap:wrap;justify-content:flex-end;gap:5px}
  .font-size-controls button{height:34px}
  .font-size-controls .font-step-button{width:34px}
  .read-article-button{width:34px}
  .read-article-button svg{width:20px;height:20px}
  .copy-mode-toggle{min-height:34px;font-size:12px}
  .copy-mode-switch{width:38px;height:22px}
  .copy-mode-switch::after{width:14px;height:14px}
  .copy-mode-toggle input:checked+.copy-mode-switch::after{transform:translateX(16px)}
  .speaking-guides{padding:38px 0 46px}
  .guides-heading h2{font-size:29px}
  .guides-heading p{font-size:14px}
  .guide-card{min-height:0;padding:23px 20px 21px}
  .guide-card h3{font-size:21px}
  .guide-card-link{margin-top:22px}
  .site-footer{align-items:flex-start;flex-direction:column;padding-inline:6px}
  .site-footer nav{align-items:flex-start;flex-direction:column;gap:12px}
}

@media(max-width:370px){
  .brand-copy small{display:none}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}
}