#cable-film-guide{background:#fffef9;color:#35352e;--guide-line:#ddd7c9;--guide-m7:#825529;--guide-ptc:#3f6674}
#cable-film-guide #cable-film-guide-title{font-family:var(--serif);font-size:clamp(23px,2.45vw,30px);line-height:1.55;max-width:none;margin:0 0 28px;padding-inline-start:0;text-align:left;letter-spacing:.025em;text-wrap:balance}
#cable-film-guide #cable-film-guide-title .guide-title-suffix{display:inline-block}
#cable-film-guide .system-pair{display:grid;grid-template-columns:1fr 1fr;gap:32px;max-width:620px;margin:0 auto 42px}
#cable-film-guide figure{margin:0}
#cable-film-guide .system-diagram{display:block;width:100%;max-width:230px;height:auto;margin:auto}
#cable-film-guide figcaption{text-align:center;font-size:14px;line-height:1.8;margin:12px 0 0;color:#625f50}
#cable-film-guide .topics{display:grid;gap:32px}
#cable-film-guide .topic{border:1px solid var(--guide-line);border-radius:10px;padding:30px;background:#fffef9}
#cable-film-guide .topic-title{display:flex;align-items:center;gap:16px;margin:0 0 24px}
#cable-film-guide .topic-title h3{font-family:var(--serif);font-size:26px;line-height:1.5;margin:0;color:#35352e}
#cable-film-guide .topic-icon{display:block;flex-shrink:0;width:44px;height:44px;color:var(--guide-m7)}
#cable-film-guide .paired{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:30px}
#cable-film-guide .paired>section{margin:0;padding:16px 0 0;min-width:0;max-width:none;background:transparent;border-top:3px solid var(--guide-m7)}
#cable-film-guide .paired>.ptc{border-top-color:var(--guide-ptc)}
#cable-film-guide .paired h4{font-family:var(--sans);font-size:17px;font-weight:700;line-height:1.7;margin:0 0 12px;color:var(--guide-m7)}
#cable-film-guide .paired .ptc h4{color:var(--guide-ptc)}
#cable-film-guide .paired p{font-size:16px;font-weight:400;line-height:1.85;white-space:pre-line;overflow-wrap:anywhere;margin:0;color:#35352e}
#cable-film-guide .topic-art{margin:26px 0 0;padding:18px;background:#f3f0e8;border-radius:8px}
#cable-film-guide .topic-art svg{display:block;width:100%;max-width:550px;height:auto;margin:auto}
#cable-film-guide .statement{display:grid;grid-template-columns:minmax(0,1fr) 112px;grid-template-areas:"copy art";align-items:center;gap:16px;margin-top:18px;padding-top:16px;border-top:1px solid #eee9dd}
#cable-film-guide .statement>p{grid-area:copy;text-align:left}
#cable-film-guide .statement>.statement-art{grid-area:art}
#cable-film-guide .statement:first-of-type{border-top:0;padding-top:0}
#cable-film-guide .statement-art{display:flex;align-items:center;justify-content:center;background:#f3f0e8;border-radius:8px;padding:8px;min-height:100px}
#cable-film-guide .statement-art svg{display:block;width:100%;height:auto;max-height:120px}
#cable-film-guide .statement-art .topic-icon{width:72px;height:72px}
#cable-film-guide .guide-directory-layout{display:grid;grid-template-columns:180px minmax(0,1fr);gap:28px;align-items:start}
#cable-film-guide .guide-directory{display:flex;flex-direction:column;gap:10px}
#cable-film-guide .guide-directory button{appearance:none;width:100%;padding:14px 16px;border:1px solid var(--guide-line);border-radius:6px;background:#fffef9;color:#625f50;text-align:left;font:500 16px/1.6 var(--sans);cursor:pointer}
#cable-film-guide .guide-directory button:hover{background:#f3f0e8}
#cable-film-guide .guide-directory button[aria-selected="true"]{background:#595239;color:#fffef9;border-color:#595239;font-weight:700}
#cable-film-guide .guide-directory button:focus-visible,#cable-film-guide .guide-panel:focus-visible{outline:3px solid var(--guide-ptc);outline-offset:3px}
#cable-film-guide .guide-panels{min-width:0}
#cable-film-guide .guide-panel[hidden]{display:none}
#cable-film-guide .guide-panel .system-pair{margin:20px auto 0}
@media(min-width:761px) and (max-width:1050px){#cable-film-guide .guide-directory-layout{grid-template-columns:150px minmax(0,1fr);gap:20px}#cable-film-guide .guide-panel{padding:22px}#cable-film-guide .guide-panel .paired{grid-template-columns:1fr;gap:24px}}
@media(max-width:760px){#cable-film-guide .guide-directory-layout{grid-template-columns:1fr;gap:20px}#cable-film-guide .guide-directory{flex-direction:row;overflow-x:auto;padding:3px 3px 10px}#cable-film-guide .guide-directory button{width:auto;flex:0 0 auto;white-space:nowrap;padding:10px 14px;font-size:14px}}
@media(max-width:760px){#cable-film-guide .paired{grid-template-columns:1fr;gap:24px}#cable-film-guide .topic{padding:20px}#cable-film-guide .topic-title h3{font-size:23px}#cable-film-guide .topic-art{padding:10px}#cable-film-guide .system-pair{gap:18px;margin-bottom:30px}#cable-film-guide #cable-film-guide-title{font-size:28px}#cable-film-guide .statement{grid-template-columns:minmax(0,1fr) 90px;gap:12px}#cable-film-guide .statement-art{min-height:86px}}
#cable-film-guide #cable-film-guide-title{font-size:clamp(23px,2.45vw,30px)}
#cable-film-guide .ptc .statement.statement-zebra{grid-template-columns:minmax(0,1fr);grid-template-areas:"copy" "art";gap:16px;align-items:start}
#cable-film-guide .ptc .statement-zebra>.statement-art{display:block;width:min(100%,340px);box-sizing:border-box;margin:0 auto;padding:8px;min-height:0;background:transparent}
#cable-film-guide .ptc .statement-zebra>.statement-art svg{max-height:none;width:100%;height:auto}
#cable-film-guide .zebra-art figcaption{margin:8px 0 0;font-family:var(--sans);font-size:14px;line-height:1.6;color:var(--guide-ptc)}
#cable-film-guide .zebra-legend{display:flex;justify-content:center;gap:26px}
#cable-film-guide .zebra-legend>span{display:inline-flex;align-items:center;gap:7px}
#cable-film-guide .zebra-legend i{display:block;width:12px;height:12px;border-radius:2px}
#cable-film-guide .zebra-warm{background:#ead6b7}
#cable-film-guide .zebra-cool{background:#b8d2de}
#cable-film-guide .zebra-caption{display:block;margin-top:4px;font-size:13px;letter-spacing:.04em}
#cable-film-guide .ptc-power-intro{margin:18px 0 22px;padding:16px 18px;background:#edf2f3;border-left:3px solid var(--guide-ptc);border-radius:0 6px 6px 0}
#cable-film-guide .ptc-power-intro p{font-size:16px;line-height:1.85}
#cable-film-guide .ptc-power-intro p+p{margin-top:12px}
#cable-film-guide .m7-power-intro{margin:18px 0 22px;padding:16px 18px;background:#f5efe5;border-left:3px solid var(--guide-m7);border-radius:0 6px 6px 0}
#cable-film-guide .m7-power-intro p{font-size:16px;line-height:1.85}
/* 功率比較的雙欄共用列高，讓說明下方的功率資料水平對齊。 */
@media(min-width:1051px){
  #cable-film-guide #guide-panel-5 .paired{grid-template-rows:repeat(5,auto);row-gap:0}
  #cable-film-guide #guide-panel-5 .paired>section{display:grid;grid-row:1 / span 5;grid-template-rows:subgrid;row-gap:0}
  #cable-film-guide #guide-panel-5 .paired>.m7{grid-column:1}
  #cable-film-guide #guide-panel-5 .paired>.ptc{grid-column:2}
  #cable-film-guide #guide-panel-5 .m7-power-intro,
  #cable-film-guide #guide-panel-5 .ptc-power-intro{align-self:start}
}
#cable-film-guide .power-calculations{margin-top:12px}
#cable-film-guide .power-calculations .power-comparison-basis{font-size:14px;color:#625f50;margin-bottom:10px;line-height:1.6}
#cable-film-guide .power-calculation{padding:10px 0;border-top:1px solid var(--guide-line)}
#cable-film-guide .power-calculation h5{margin:0 0 5px;font:700 16px/1.5 var(--sans);color:var(--guide-ptc)}
#cable-film-guide .power-calculation p{font-size:15px;line-height:1.6}
#cable-film-guide .power-calculations .power-comparison-note{margin-top:6px;padding:10px 14px;border-left:3px solid var(--guide-ptc);background:#edf2f3;font-size:13px;line-height:1.6}

/* 問答式比較：保留答案內的雙欄圖文，移除側邊目錄。 */
#cable-film-guide .guide-qa-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}
#cable-film-guide .guide-qa-toolbar p{margin:0;font:400 15px/1.7 var(--sans);color:#625f50}
#cable-film-guide .guide-qa-expand{flex-shrink:0;padding:9px 16px;border:1px solid #766a42;border-radius:5px;background:transparent;color:#595037;font:600 15px/1.5 var(--sans);cursor:pointer}
#cable-film-guide .guide-questions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:16px}
#cable-film-guide .guide-question{min-width:0;border:1px solid var(--guide-line);border-radius:8px;background:var(--paper,#efe5d5);overflow:hidden}
#cable-film-guide .guide-question>summary{display:flex;align-items:center;gap:16px;padding:20px 24px;cursor:pointer;list-style:none;color:#37342b}
#cable-film-guide .guide-question>summary::-webkit-details-marker{display:none}
#cable-film-guide .guide-question>summary h3{flex:1;min-width:0;margin:0;font:600 20px/1.6 var(--sans);letter-spacing:0}
#cable-film-guide .guide-q-label{font:700 25px/1 var(--serif);color:var(--guide-m7)}
#cable-film-guide .guide-qa-toggle{flex-shrink:0;width:22px;text-align:center;font:400 25px/1 var(--sans)}
#cable-film-guide .guide-qa-toggle::before{content:'＋'}
#cable-film-guide .guide-question[open] .guide-qa-toggle::before{content:'−'}
#cable-film-guide .guide-question[open]>summary{background:var(--mist,#e6dac7)}
#cable-film-guide .guide-question>summary:hover{background:var(--mist,#e6dac7)}
#cable-film-guide .guide-question>summary:focus-visible,#cable-film-guide .guide-qa-expand:focus-visible{outline:3px solid var(--guide-ptc);outline-offset:-3px}
#cable-film-guide .guide-answer{padding:26px 30px 30px;background:var(--tone-surface,#f5eddf)}
#cable-film-guide .guide-answer>.system-pair{margin:0 auto;max-width:760px}
#cable-film-guide .guide-answer .paired{grid-template-columns:minmax(0,1fr);gap:24px}
#cable-film-guide #guide-panel-5.guide-answer .paired{grid-template-rows:none;row-gap:24px}
#cable-film-guide #guide-panel-5.guide-answer .paired>section{display:block;grid-row:auto;grid-column:auto}
@media(max-width:760px){
  #cable-film-guide .guide-questions{grid-template-columns:minmax(0,1fr);gap:12px}
  #cable-film-guide .guide-qa-toolbar{align-items:flex-start;gap:12px}
  #cable-film-guide .guide-question>summary{padding:16px;gap:12px}
  #cable-film-guide .guide-question>summary h3{font-size:17px}
  #cable-film-guide .guide-answer{padding:20px 16px}
  #cable-film-guide .guide-answer>.system-pair{margin-bottom:0}
}

/* 比照常見問題：兩欄、圓形題號、相同題目字級與六題分頁。 */
#cable-film-guide .guide-questions{gap:10px 14px}
#cable-film-guide .guide-question{border-color:var(--line);border-radius:10px;padding:0 12px;background:var(--paper)}
#cable-film-guide .guide-question[hidden]{display:none}
#cable-film-guide .guide-question[open]{grid-column:1/-1;border-color:var(--jade)}
#cable-film-guide .guide-question>summary{min-height:68px;padding:10px 4px;gap:12px;font-size:15px;line-height:1.7;box-sizing:border-box}
#cable-film-guide .guide-question>summary h3{font-family:inherit;font-size:15px;line-height:1.7;font-weight:inherit}
#cable-film-guide .guide-q-label{display:flex;align-items:center;justify-content:center;flex:0 0 38px;height:38px;font:inherit;font-size:13px;color:var(--jade);background:var(--mist);border-radius:50%}
#cable-film-guide .guide-qa-toggle{flex:0 0 20px;margin-left:auto;font-size:21px}
#cable-film-guide .guide-question[open]>summary,#cable-film-guide .guide-question>summary:hover{background:transparent}
#cable-film-guide .guide-answer{padding:22px;margin:0 0 18px}
#cable-film-guide .guide-answer .paired{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
#cable-film-guide .guide-qa-pagination{display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap;margin-top:24px}
#cable-film-guide .guide-qa-pagination button{min-height:40px;font-size:13px;padding:7px 14px;cursor:pointer}
#cable-film-guide .guide-qa-pagination button:disabled{opacity:.5;cursor:default}
#cable-film-guide .guide-qa-page-status{font-size:12px}
#cable-film-guide .guide-qa-pagination button:focus-visible{outline:2px solid var(--pine);outline-offset:3px}
@media(min-width:1051px){
  #cable-film-guide #guide-panel-0>.system-pair{max-width:none;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:24px}
  #cable-film-guide #guide-panel-0>.system-pair figcaption{white-space:nowrap;font-size:14px;letter-spacing:0}
}
@media(max-width:760px){#cable-film-guide .guide-answer .paired{grid-template-columns:1fr}}
@media(min-width:601px) and (max-width:760px){#cable-film-guide .guide-questions{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){#cable-film-guide .guide-question>summary{min-height:64px;gap:8px}#cable-film-guide .guide-q-label{flex-basis:30px}}