/* Far-Infrared Medicine only. Existing pages and shared CSS remain unchanged. */
.fir-page{background:#f3f8fc;color:#193b58}.fir-page .about-header{background:#fff;max-width:1440px}.fir-page .travel-brand{font-size:24px;letter-spacing:.02em}.fir-page .travel-brand img{width:65px;height:71px}.fir-page .travel-brand span[lang=en]{font-size:12px;font-weight:500}.fir-page .about-nav{gap:12px 20px}.fir-main-menu>summary{display:none}.fir-page main{max-width:1440px;margin:auto;padding:0}.fir-banner{margin:0;background:#061d3e;border-block:1px solid #c4a264}.fir-banner>img{display:block;width:100%;height:auto;object-fit:contain}.fir-visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.fir-topics{display:flex;flex-flow:row nowrap;background:linear-gradient(#f9fcff,#e9f4fb);border-bottom:1px solid #d9e7ef}.fir-topics a[aria-current]{color:#ffe1a0;background:linear-gradient(#174e85,#052d58);border-color:#c19a56}.fir-content{padding:10px 28px 30px;background:radial-gradient(ellipse at right top,#e2f1ff,transparent 45%),linear-gradient(#fff,#f0f7fb)}.fir-section{margin:20px 0 32px;border:1px solid #d8e6ef;border-radius:22px;background:#fff;box-shadow:0 5px 20px #14476e0b;overflow:clip;scroll-margin-top:24px}.fir-section-heading{display:flex;align-items:center;gap:18px;padding:22px 28px;background:linear-gradient(110deg,#063b70,#1c5886 70%,#397797);border-bottom:3px solid #caab77;color:white}.fir-section-heading>span{flex:0 0 48px;height:48px;display:grid;place-items:center;border:1px solid #e6c48a;border-radius:50%;color:#ffdfa0;font:27px Georgia,serif;background:#08284e55}.fir-section-heading h2{font-family:'Songti TC','Noto Serif TC',serif;font-size:31px;line-height:1.4;margin:0}.fir-section-heading h2 span{font-family:Georgia,serif;font-size:21px;line-height:1.4;font-weight:400;color:#e4eef6;margin-top:4px}.fir-section-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:32px;align-items:start;padding:28px}.fir-section-layout.text-only{display:block}.fir-section-layout.text-only .fir-copy{max-width:980px;margin:auto}.fir-section.image-left .fir-section-layout{grid-template-columns:minmax(0,1fr) minmax(0,1.55fr)}.fir-section.image-left .fir-copy{grid-column:2;grid-row:1}.fir-section.image-left .fir-diagram{grid-column:1;grid-row:1}.fir-copy{min-width:0}.fir-copy h3{font-family:'Songti TC',serif;font-size:26px;line-height:1.5;margin:34px 0 20px;padding-left:14px;border-left:3px solid #c19653;color:#143b62}.fir-copy h3:first-child{margin-top:0}.fir-copy h3 span{font-family:Georgia,serif;font-size:20px;line-height:1.4;font-weight:400;color:#9a6a31;margin-top:5px}.fir-copy h4{font-size:20px;line-height:1.6;margin:28px 0 16px;color:#194e76}.fir-copy h4 span{font-size:16px;font-weight:400;color:#6e684e;line-height:1.5;margin-top:5px}.fir-paragraph{margin:0 0 24px;padding-bottom:20px;border-bottom:1px solid #eaf0f5}.fir-paragraph>p{margin:0 0 10px;font-size:18px;line-height:1.95;overflow-wrap:anywhere;white-space:pre-wrap}.fir-paragraph>p[lang=en]{font:16px/1.8 Georgia,'Times New Roman',serif;color:#4b6074;margin-bottom:0}.fir-diagram{margin:0;padding:12px;min-width:0;position:sticky;top:24px;background:#fafdff;border:1px solid #dbe8f1;border-radius:16px}.fir-diagram a{display:block}.fir-diagram img{display:block;width:100%;height:auto;object-fit:contain;border-radius:6px}.fir-diagram figcaption{font-size:13px;line-height:1.7;margin-top:12px;color:#45647d}.fir-diagram figcaption span{display:block;font-size:12px;color:#876533;margin-top:6px}.fir-table-wrap{margin:0 28px 28px;overflow-x:auto;border:1px solid #d3e3ed;border-radius:12px;scrollbar-width:thin}.fir-table-wrap:focus-visible{outline:3px solid #bd831d}.fir-table-wrap table{border-collapse:collapse;width:100%;font-size:16px;line-height:1.7}.fir-table-wrap caption{text-align:left;padding:16px 20px;font-weight:600;color:#143c64;background:#eaf5fc}.fir-table-wrap caption span{font-weight:400;font-size:14px}.fir-table-wrap th,.fir-table-wrap td{text-align:left;vertical-align:top;padding:12px 14px;border:1px solid #dae6ef;overflow-wrap:anywhere}.fir-table-wrap th{background:#103e68;color:white;font-weight:600}.fir-table-wrap tbody tr:nth-child(even){background:#f2f8fc}.fir-table-wrap span{font-size:13px;line-height:1.6;font-weight:400;margin-top:5px}.fir-table-wrap td span{color:#4c6376}.fir-home{text-align:center;padding:10px 20px 40px;background:#f0f7fb}.fir-home a{display:inline-flex;align-items:center;gap:12px;padding:14px 30px;border-radius:30px;min-height:52px;color:#fff;background:linear-gradient(#276fae,#073c74);border:1px solid #b7d7f4;box-shadow:0 4px 12px #124b7626}.fir-home span{display:inline}.fir-page footer{color:#46657d;background:#e3f0fa;border-top:1px solid #c7a56b}
@media(max-width:1100px){.fir-page .about-header{flex-wrap:wrap}.fir-page .about-nav{justify-content:flex-start}.fir-section-layout{gap:24px;padding:24px}.fir-copy h3{font-size:24px}.fir-paragraph>p{font-size:17px}.fir-paragraph>p[lang=en]{font-size:16px}.fir-section-heading h2{font-size:28px}}
@media(max-width:760px){.fir-page .about-header{padding:18px;gap:16px}.fir-page .travel-brand{font-size:21px;gap:10px}.fir-page .travel-brand img{width:56px;height:61px}.fir-page .travel-brand span[lang=en]{font-size:10px}.fir-main-menu{width:100%;border:1px solid #c3dbe9;border-radius:12px;padding:0 14px}.fir-main-menu>summary{display:flex;align-items:center;justify-content:space-between;min-height:44px;font-size:14px;cursor:pointer}.fir-main-menu>summary span{display:inline;font-size:12px}.fir-page .about-nav{border:0;padding:8px 0 14px}.fir-content{padding:2px 14px 20px}.fir-section{margin:16px 0 24px;border-radius:18px}.fir-section-heading{padding:20px 16px;gap:12px}.fir-section-heading>span{flex-basis:38px;height:38px;font-size:23px}.fir-section-heading h2{font-size:24px}.fir-section-heading h2 span{font-size:18px}.fir-section-layout,.fir-section.image-left .fir-section-layout{display:flex;flex-direction:column;gap:24px;padding:22px 18px}.fir-diagram{position:static;order:-1;width:100%;padding:10px}.fir-copy h3{font-size:24px;margin-top:28px}.fir-copy h3 span{font-size:19px}.fir-copy h4{font-size:20px}.fir-copy h4 span{font-size:16px}.fir-paragraph>p{font-size:17px;line-height:1.9}.fir-paragraph>p[lang=en]{font-size:16px;line-height:1.8}.fir-table-wrap{margin:0 18px 22px}.fir-table-wrap table{font-size:15px;min-width:600px}.fir-table-wrap td,.fir-table-wrap th{padding:10px}.fir-table-wrap span{font-size:13px}}

/* Universe subsection: preserve the complete original portrait illustration. */
.fir-page .universe-original-illustration{display:block;width:100%;max-width:560px;height:auto;margin:32px auto;object-fit:contain}