/* APPA 色票：沿用招生網站 site-v5.css；入口與各份學生樣式由同一來源產製。 */
:root {
  --night: #160e2c;
  --navy: #231146;
  --violet: #6633ff;
  --lime: #caff33;
  --muted: #c3bed2;
  --lavender: #e7deff;
  --white: #ffffff;
  --line: #ffffff26;
}

/* 只練習 HTML 與 CSS；APPA 原圖與色票使用本機檔案。 */
* { box-sizing: border-box; }
html { scroll-padding-top: 24px; scrollbar-color: var(--violet) var(--night); }
body { margin: 0; background: var(--night); color: var(--white); font-family: system-ui, -apple-system, "PingFang TC", "Microsoft JhengHei", sans-serif; font-size: 17px; line-height: 1.8; }
::selection { background: var(--lime); color: var(--navy); }
a { color: var(--lime); text-underline-offset: 5px; overflow-wrap: anywhere; }
a:focus-visible { outline: 3px solid var(--lime); outline-offset: 5px; }
a:hover { text-decoration-thickness: 2px; }
.container { width: min(1080px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: absolute; left: 12px; top: -100px; padding: 12px; color: var(--navy); background: var(--lime); z-index: 2; }
.skip-link:focus { top: 12px; outline-color: var(--violet); }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 24px; border-bottom: 1px solid var(--line); }
.brand { font-weight: 800; font-size: 24px; text-decoration: none; color: var(--white); }
.brand span { display: block; font-size: 12px; letter-spacing: 2px; color: var(--muted); }
nav { display: flex; flex-wrap: wrap; gap: 20px; }
nav a { padding-block: 10px; color: var(--white); }
.hero { display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 48px; padding-block: 32px; }
h1, h2, h3 { line-height: 1.35; overflow-wrap: anywhere; }
h1 { margin: 0 0 24px; font-size: 48px; letter-spacing: -1px; }
h2 { margin: 0 0 28px; font-size: 30px; }
h3 { margin: 0 0 12px; font-size: 23px; }
p { margin: 0 0 16px; }
.intro { font-size: 22px; }
.intro-copy { color: var(--muted); }
.skill { margin-block: 20px 28px; }
.skill-name { color: var(--lime); }
.primary-link { display: inline-block; max-width: 100%; background: var(--lime); color: var(--navy); font-weight: 700; text-decoration: none; padding: 14px 24px; border-radius: 8px; }
.primary-link:hover { background: var(--white); }
.portrait { margin: 0; min-width: 0; padding: 32px; background: var(--violet); border-radius: 16px; text-align: center; }
.portrait img { display: block; width: min(100%, 185px); height: auto; margin-inline: auto; animation: appa-float 6s ease-in-out infinite; }
figcaption { margin-top: 28px; font-size: 14px; color: var(--white); }
.section { padding-block: 48px; border-top: 1px solid var(--line); scroll-margin-top: 16px; }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.service-card, .work-card { padding: 24px; border-radius: 12px; min-width: 0; }
.service-card { background: var(--navy); padding:32px; }
.service-card h3 { font-size:24px; }
.service-card p { color: var(--muted); }
.service-card .number { color: var(--lime); }
.service-card p:last-child, .work-card p:last-child { margin-bottom: 0; }
.number { font-size: 14px; }
.work-card { background: var(--lavender); color: var(--navy); }
.work-type { font-size: 14px; }
.contact { display: flex; gap: 32px; justify-content: space-between; align-items: center; }
.contact h2 { font-size: 27px; margin-bottom: 12px; }
.contact p:last-child { margin-bottom: 0; color: var(--muted); }
.contact > a { font-weight: 700; padding-block: 12px; }
.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding-block: 32px; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
.site-footer p { margin: 0; }
@keyframes appa-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.hero h1 { font-size:48px; line-height:1.2; }
.hero .intro-copy { max-width:42ch; }
@media (max-width: 699px) {
  .container { width: calc(100% - 32px); }
  .site-header { gap: 16px; flex-wrap: wrap; padding-block: 20px; }
  nav { gap: 20px; }
  .hero { grid-template-columns: 1fr; gap: 32px; padding-block: 32px; }
  h1 { font-size: 34px; }
  .hero h1 { font-size:32px; }
  h2 { font-size: 27px; }
  .intro { font-size: 20px; }
  .portrait { width: 100%; padding: 28px 24px; }
  .portrait img { width: min(100%, 145px); }
  .section { padding-block: 36px; }
  .card-grid { grid-template-columns: 1fr; gap: 16px; }
  .contact { align-items: flex-start; flex-direction: column; gap: 20px; }
}
@media (prefers-reduced-motion: reduce) { .portrait img { animation: none; } }

/* 三頁共用：只增加圖片與目前頁面提示，不重設品牌。 */
.work-card img { display:block; width:100%; height:auto; margin-bottom:20px; border-radius:8px; }
nav a[aria-current="page"] { color:var(--lime); font-weight:700; }

/* L06：只處理作品圖片，APPA 維持原本比例與動畫。 */
.work-card img { aspect-ratio:4 / 3; width:100%; height:auto; object-fit:contain; object-position:center; }
.work-card:first-child img { object-position:center top; }

/* L06：親手加入專屬焦點，依所在表面選對比清楚的輪廓。 */
.hero .primary-link:focus-visible { outline:3px solid var(--white); outline-offset:4px; }
.work-card .primary-link:focus-visible { outline:3px solid var(--navy); outline-offset:4px; }

/* L06：AI 只增加主要連結 hover，不更動焦點與尺寸。 */
.primary-link:hover { background:var(--violet); color:var(--white); }

/* L07：作品頁專用網格，不修改首頁與服務頁。 */
.works-grid { grid-template-columns:minmax(0,1fr); gap:20px; }
@media (min-width:600px) { .works-grid { grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media (min-width:1024px) { .works-grid { grid-template-columns:repeat(3,minmax(0,1fr)); } }

/* L07：手機由自己改16px，AI只改平板與桌面24px。 */
.works-grid { gap:16px; }
@media (min-width:600px) { .works-grid { gap:24px; } }

/* L08：只讓新增參考網址換行，保留原始內容。 */
.works-grid .work-reference { overflow-wrap:anywhere; }