._shell_15wrt_1{background:var(--paper);min-height:100vh;color:var(--charcoal);overflow-x:hidden}._shell_15wrt_1[data-language=zh] ._copyEn_15wrt_8,._shell_15wrt_1[data-language=en] ._copyZh_15wrt_9{display:none!important}._bilingual_15wrt_13{flex-direction:column;gap:.18rem;display:flex}._copyEn_15wrt_8{letter-spacing:.01em;opacity:.7;font-family:Georgia,Times New Roman,serif;font-size:.84em;line-height:1.35}._header_15wrt_27{z-index:50;color:#fff;background:#0b0b0bfa;border-bottom:1px solid #ffffff26;height:84px;position:fixed;inset:0 0 auto}._headerInner_15wrt_37{justify-content:space-between;align-items:center;gap:32px;width:min(1400px,100% - 64px);height:100%;margin-inline:auto;display:flex}._brand_15wrt_47,._footerBrand_15wrt_48{align-items:center;gap:12px;min-width:max-content;display:flex}._brandSeal_15wrt_55{background:var(--seal);color:#fff;width:44px;height:44px;font-family:var(--font-serif);box-shadow:inset 0 0 0 3px var(--seal), inset 0 0 0 4px #ffffff5c;border:1px solid #ffffffb8;place-items:center;font-size:25px;line-height:1;display:grid}._brandName_15wrt_69{flex-direction:column;gap:1px;display:flex}._brandName_15wrt_69 strong{font-family:var(--font-serif);letter-spacing:.08em;font-size:17px}._brandName_15wrt_69 small{color:#ffffff9e;letter-spacing:.12em;font-family:Georgia,serif;font-size:8px}._headerControls_15wrt_88{align-items:center;gap:18px;display:flex}._backLink_15wrt_94{color:#ffffffe6;border:1px solid #ffffff85;align-items:center;gap:9px;min-height:40px;padding:8px 14px;font-size:12px;transition:background .16s,color .16s;display:flex}._backLink_15wrt_94:hover{color:var(--ink-deep);background:#fff}._backLink_15wrt_94 ._bilingual_15wrt_13{align-items:flex-start}._languageSwitch_15wrt_115{border:1px solid #fff3;align-items:center;gap:3px;padding:3px;display:flex}._languageSwitch_15wrt_115 button{color:#ffffff94;cursor:pointer;background:0 0;border:0;padding:6px 8px;font-size:10px}._languageSwitch_15wrt_115 button._languageActive_15wrt_132{background:var(--paper);color:var(--ink)}._hero_15wrt_137{color:#fff;background:var(--ink-deep);border-bottom:1px solid #ffffff29;padding:168px max(32px,5vw) 84px;position:relative;overflow:hidden}._hero_15wrt_137:before{content:"COURSE INDEX";color:#ffffff06;white-space:nowrap;font-family:Georgia,serif;font-size:clamp(82px,14vw,220px);font-weight:700;line-height:1;position:absolute;bottom:-.24em;right:-.02em}._heroInner_15wrt_159{z-index:1;width:min(1240px,100%);margin-inline:auto;position:relative}._eyebrow_15wrt_166{color:#ffffff8c;letter-spacing:.25em;margin-bottom:24px;font-family:Georgia,serif;font-size:11px}._hero_15wrt_137 h1{max-width:1000px;font-family:var(--font-serif);letter-spacing:-.04em;margin:0;font-size:clamp(48px,7.2vw,104px);font-weight:400;line-height:1.02}._hero_15wrt_137 h1 ._copyEn_15wrt_8{font-size:.68em}._hero_15wrt_137 h1 em{color:#d1cec7;font-style:italic;font-weight:400}._heroDescription_15wrt_194{color:#ffffffad;max-width:760px;margin:30px 0 0;font-size:clamp(15px,1.5vw,19px);line-height:1.8}._subjectHero_15wrt_202{padding-bottom:74px}._subjectFacts_15wrt_206{color:#ffffff80;letter-spacing:.14em;flex-wrap:wrap;gap:10px 24px;margin-top:34px;font-family:Georgia,serif;font-size:11px;display:flex}._subjectFacts_15wrt_206 span+span:before{content:"·";color:#ffffff42;margin-right:24px}._catalogSection_15wrt_223,._directorySection_15wrt_224{width:min(1400px,100% - 64px);margin-inline:auto;padding:76px 0 108px}._sectionHeading_15wrt_230{border-bottom:1px solid var(--line);justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px;padding-bottom:18px;display:flex}._sectionHeading_15wrt_230 h2{font-family:var(--font-serif);margin:0;font-size:clamp(30px,3.5vw,52px);font-weight:500;line-height:1.12}._sectionHeading_15wrt_230>span{color:var(--muted);letter-spacing:.11em;font-family:Georgia,serif;font-size:11px}._courseGrid_15wrt_255{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}._courseCard_15wrt_262{background:var(--paper-bright);border-right:1px solid var(--line);border-bottom:1px solid var(--line);flex-direction:column;min-height:360px;padding:28px;display:flex}._courseCardActive_15wrt_272{transition:background .18s,color .18s,transform .18s}._courseCardActive_15wrt_272:hover{z-index:1;background:var(--ink-deep);color:#fff;transform:translateY(-4px)}._courseCardPending_15wrt_283{color:#171717ad;background:#e7e5e0}._courseTopline_15wrt_288{color:var(--muted);letter-spacing:.14em;justify-content:space-between;align-items:center;font-family:Georgia,serif;font-size:11px;display:flex}._courseTopline_15wrt_288 strong{color:inherit;font-weight:500}._courseCard_15wrt_262 h3{font-family:var(--font-serif);margin:42px 0 0;font-size:clamp(23px,2vw,31px);font-weight:500;line-height:1.18}._courseCard_15wrt_262 h3 ._copyEn_15wrt_8{font-size:.58em}._courseTagline_15wrt_315{color:var(--ink-soft);margin:20px 0 0;font-size:13px;line-height:1.72}._courseCardActive_15wrt_272:hover ._courseTagline_15wrt_315,._courseCardActive_15wrt_272:hover ._courseTopline_15wrt_288,._courseCardActive_15wrt_272:hover ._courseMeta_15wrt_324{color:#ffffffad}._courseMeta_15wrt_324{color:var(--muted);flex-wrap:wrap;gap:8px 16px;margin-top:auto;padding-top:28px;font-family:Georgia,serif;font-size:11px;display:flex}._courseMeta_15wrt_324>span+span:before{content:"·";margin-right:16px}._courseStatus_15wrt_344{border-top:1px solid;justify-content:space-between;align-items:center;gap:14px;margin-top:16px;padding-top:16px;font-size:12px;display:flex}._courseStatus_15wrt_344 ._bilingual_15wrt_13{flex:1}._unitList_15wrt_359{border-top:1px solid var(--line)}._unitBlock_15wrt_363{border-bottom:1px solid var(--line);background:var(--paper-bright)}._unitBlock_15wrt_363 summary{cursor:pointer;grid-template-columns:72px minmax(280px,1fr) 160px 112px 28px;align-items:center;gap:22px;min-height:112px;padding:22px 26px;list-style:none;transition:background .16s,color .16s;display:grid}._unitBlock_15wrt_363 summary::-webkit-details-marker{display:none}._unitBlock_15wrt_363 summary:hover,._unitBlock_15wrt_363[open] summary{background:var(--ink-deep);color:#fff}._unitNumber_15wrt_390{color:var(--gold);font-family:Georgia,serif;font-size:31px;line-height:1}._unitTitle_15wrt_397{font-family:var(--font-serif);font-size:24px;font-weight:500;line-height:1.22}._unitTitle_15wrt_397 ._copyEn_15wrt_8{font-size:.62em}._unitPeriod_15wrt_408,._unitCount_15wrt_409{color:var(--muted);letter-spacing:.07em;font-family:Georgia,serif;font-size:11px}._unitBlock_15wrt_363 summary:hover ._unitPeriod_15wrt_408,._unitBlock_15wrt_363 summary:hover ._unitCount_15wrt_409,._unitBlock_15wrt_363[open] ._unitPeriod_15wrt_408,._unitBlock_15wrt_363[open] ._unitCount_15wrt_409{color:#ffffff8c}._unitChevron_15wrt_423{font-size:24px;transition:transform .16s}._unitBlock_15wrt_363[open] ._unitChevron_15wrt_423{transform:rotate(45deg)}._chapterList_15wrt_432{background:#ebe9e4;padding:0 26px 22px 120px}._chapterRow_15wrt_437{border-bottom:1px solid #1414141f;grid-template-columns:72px minmax(220px,1fr) 138px 28px;align-items:center;gap:18px;min-height:78px;padding:15px 18px;transition:background .15s,transform .15s;display:grid}._chapterRow_15wrt_437:hover{background:var(--paper-bright);transform:translate(4px)}._chapterNumber_15wrt_453{color:var(--muted);letter-spacing:.1em;font-family:Georgia,serif;font-size:12px}._chapterTitle_15wrt_460{font-family:var(--font-serif);font-size:19px;line-height:1.28}._chapterTitle_15wrt_460 ._copyEn_15wrt_8{font-size:.7em}._chapterStatus_15wrt_470{width:max-content;color:var(--muted);border:1px solid #14141433;padding:6px 9px;font-size:10px;line-height:1.2;display:inline-flex}._trialStatus_15wrt_480{border-color:var(--seal);background:var(--seal);color:#fff}._chapterArrow_15wrt_486{color:var(--muted);font-size:15px}._footer_15wrt_48{color:#fff;background:var(--ink-deep);border-top:1px solid #ffffff24}._footerInner_15wrt_497{grid-template-columns:auto 1fr auto;align-items:center;gap:42px;width:min(1400px,100% - 64px);min-height:190px;margin-inline:auto;display:grid}._footerBrand_15wrt_48 strong,._footerBrand_15wrt_48 small{display:block}._footerBrand_15wrt_48 strong{font-family:var(--font-serif);letter-spacing:.06em}._footerBrand_15wrt_48 small{color:#ffffff80;margin-top:2px;font-family:Georgia,serif;font-size:9px}._footerInner_15wrt_497 p{color:#ffffff9e;text-align:center;max-width:480px;margin:0 auto;font-size:13px}._footerInner_15wrt_497>span{color:#ffffff6b;letter-spacing:.08em;font-family:Georgia,serif;font-size:10px}._wechatFloat_15wrt_539{z-index:70;position:fixed;bottom:22px;right:22px}._wechatFloat_15wrt_539 summary{color:#fff;cursor:pointer;background:#0e0e0ef0;border:1px solid #ffffff40;border-radius:999px;align-items:center;gap:10px;min-width:134px;min-height:58px;padding:7px 14px 7px 8px;list-style:none;display:flex;box-shadow:0 12px 34px #00000038}._wechatFloat_15wrt_539 summary::-webkit-details-marker{display:none}._wechatMark_15wrt_566{background:var(--paper-bright);width:44px;height:44px;color:var(--ink-deep);font-family:var(--font-serif);border-radius:50%;place-items:center;font-size:21px;display:grid}._wechatLabel_15wrt_578{flex-direction:column;line-height:1.08;display:flex}._wechatLabel_15wrt_578 strong{font-size:12px}._wechatLabel_15wrt_578 small{color:#ffffff80;letter-spacing:.12em;margin-top:4px;font-family:Georgia,serif;font-size:8px}._wechatCard_15wrt_596{background:var(--paper-bright);width:244px;color:var(--ink-deep);text-align:center;border:1px solid #14141429;padding:20px;position:absolute;bottom:calc(100% + 12px);right:0;box-shadow:0 18px 54px #0003}._wechatCard_15wrt_596>span{color:var(--muted);letter-spacing:.14em;font-family:Georgia,serif;font-size:9px}._wechatCard_15wrt_596 img{object-fit:contain;background:#fff;width:172px;height:172px;margin:12px auto}._wechatCard_15wrt_596 strong{font-size:13px;display:block}._wechatCard_15wrt_596 p{color:var(--muted);margin:7px 0 0;font-size:11px}@media (width<=1100px){._courseGrid_15wrt_255{grid-template-columns:repeat(2,minmax(0,1fr))}._unitBlock_15wrt_363 summary{grid-template-columns:62px minmax(240px,1fr) 130px 90px 24px;gap:14px}._chapterList_15wrt_432{padding-left:98px}._footerInner_15wrt_497{grid-template-columns:1fr 1fr}._footerInner_15wrt_497 p{display:none}}@media (width<=760px){._header_15wrt_27{height:118px}._headerInner_15wrt_37{align-items:center;gap:14px;width:min(100% - 28px,680px)}._brandName_15wrt_69{display:none}._headerControls_15wrt_88{flex:1;justify-content:flex-end;gap:8px}._backLink_15wrt_94{min-height:42px;padding:6px 9px;font-size:10px}._languageSwitch_15wrt_115 button{padding:6px;font-size:9px}._hero_15wrt_137{padding:172px 22px 60px}._hero_15wrt_137 h1{font-size:clamp(42px,13vw,66px)}._catalogSection_15wrt_223,._directorySection_15wrt_224,._footerInner_15wrt_497{width:min(100% - 32px,680px)}._catalogSection_15wrt_223,._directorySection_15wrt_224{padding:50px 0 76px}._sectionHeading_15wrt_230{flex-direction:column;align-items:flex-start;gap:8px}._courseGrid_15wrt_255{grid-template-columns:1fr}._courseCard_15wrt_262{min-height:310px}._unitBlock_15wrt_363 summary{grid-template-columns:48px minmax(0,1fr) 24px;gap:12px;min-height:106px;padding:18px 14px}._unitNumber_15wrt_390{font-size:24px}._unitTitle_15wrt_397{font-size:19px}._unitPeriod_15wrt_408,._unitCount_15wrt_409{display:none}._chapterList_15wrt_432{padding:0 10px 12px}._chapterRow_15wrt_437{grid-template-columns:48px minmax(0,1fr) 22px;gap:10px;min-height:86px;padding:12px 8px}._chapterTitle_15wrt_460{font-size:16px}._chapterStatus_15wrt_470{grid-column:2;margin-top:4px}._chapterArrow_15wrt_486{grid-area:1/3/span 2}._footerInner_15wrt_497{grid-template-columns:1fr;align-content:center;min-height:164px}._footerInner_15wrt_497>span{margin-left:56px}._wechatFloat_15wrt_539{bottom:12px;right:12px}._wechatFloat_15wrt_539 summary{min-width:54px;padding:5px}._wechatLabel_15wrt_578{display:none}._wechatCard_15wrt_596{width:min(232px,100vw - 24px)}}@media (prefers-reduced-motion:reduce){._courseCardActive_15wrt_272,._chapterRow_15wrt_437,._unitChevron_15wrt_423,._backLink_15wrt_94{transition:none}}