/* ==========================================================================
   手記風格：白紙、藍黑墨水、原子筆藍、螢光筆黃
   顏色變數由 js/site.js 依後台「外觀」設定覆蓋，這裡的值是預設。
   ========================================================================== */

:root {
  --paper: #fdfdfb;
  --ink: #1a2146;
  --dim: #4a5070;
  --rule: #e0e1e6;
  --accent: #2f45d1;
  --on-accent: #ffffff;
  --mark: #ffe56a;

  --kai: "LXGW WenKai TC", "LXGW WenKai", "Kaiti TC", "BiauKai", "DFKai-SB", "Noto Serif CJK TC", "Noto Serif TC", serif;
  --sans: "Noto Sans TC", "Noto Sans CJK TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;

  --wrap: 1180px;
  --pad: clamp(20px, 5vw, 64px);
  --head-h: 58px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--kai);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.95;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--mark); color: var(--ink); }

a { color: inherit; }
img { max-width: 100%; display: block; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad); }

.skip {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--paper);
  padding: .6em 1em; font-family: var(--sans); font-size: .9rem;
}
.skip:focus { left: 8px; top: 8px; }

/* ---------- 捲動淡入（保留原本的往下滑動畫） ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease;
  transition-delay: calc(var(--i, 0) * .1s);
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- 共用小元件 ---------- */
.dot {
  display: inline-block; width: 10px; height: 10px; flex: none;
  border-radius: 50%; background: var(--accent);
}
.dot.wip { background: transparent; box-shadow: inset 0 0 0 2px var(--accent); }
.dot.maintain { background: var(--ink); }
.dot.archived { background: transparent; box-shadow: inset 0 0 0 2px var(--dim); }

/* 像貼了一小段紙膠帶 */
.tape {
  position: absolute; top: -12px; left: 50%; z-index: 1;
  width: 92px; height: 24px; margin-left: -46px;
  transform: rotate(-3deg);
  background: var(--mark); opacity: .88;
}

.btn {
  display: inline-block; justify-self: start;
  font-family: var(--sans); font-size: 1rem; font-weight: 700;
  padding: .75em 1.6em; background: var(--ink); color: var(--paper);
  border: 0; border-radius: 3px; cursor: pointer; text-decoration: none; line-height: 1.5;
}
.btn:hover, .btn:focus-visible { background: var(--mark); color: var(--ink); }
.btn[disabled] { opacity: .55; cursor: not-allowed; background: var(--ink); color: var(--paper); }
.btn-link {
  font-family: var(--sans); font-size: 1rem; font-weight: 700; color: var(--ink);
  text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: .3em;
  padding: 2px 4px; margin: 0 -4px;
}
.btn-link:hover, .btn-link:focus-visible { background: var(--mark); }

.pin { margin-left: 10px; padding: 1px 7px; font-family: var(--sans); font-size: .75rem; font-weight: 500; background: var(--mark); border-radius: 2px; vertical-align: middle; }

/* ---------- 頂欄 ---------- */
.top {
  position: sticky; top: 0; z-index: 30;
  background: var(--paper);
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--rule);
}
.top-in {
  max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad);
  height: var(--head-h);
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.brand { font-weight: 700; font-size: 1.1rem; text-decoration: none; white-space: nowrap; }
.nav {
  display: flex; gap: clamp(8px, 2vw, 22px);
  font-family: var(--sans); font-size: .9rem;
  overflow-x: auto; scrollbar-width: none;
}
.nav::-webkit-scrollbar { display: none; }
.nav a {
  color: var(--dim); text-decoration: none; white-space: nowrap;
  padding: 3px 8px; border-radius: 2px;
}
.nav a:hover, .nav a:focus-visible, .nav a[aria-current] { color: var(--ink); background: var(--mark); }
.nav a[aria-current] { font-weight: 700; }

/* ---------- 首頁 ---------- */
.hero {
  padding: clamp(44px, 7vw, 100px) 0 clamp(60px, 8vw, 116px);
  scroll-margin-top: var(--head-h);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 56px; }
.hero-name {
  margin: 0;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.02em;
  font-size: clamp(3.2rem, calc(min(100vw - 2 * var(--pad) - 16px, 600px) / var(--u, 3)), 11.5rem);
  overflow-wrap: anywhere;
  text-wrap: balance;
}
.hero-tagline {
  margin: clamp(22px, 3.4vw, 38px) 0 0;
  max-width: 22em;
  font-size: clamp(1.35rem, 2.3vw, 1.85rem);
  font-weight: 700;
  line-height: 1.6;
  text-wrap: balance;
}
.hero-intro { margin: 16px 0 0; max-width: 32em; text-wrap: pretty; }
.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 30px; margin-top: 34px; }

.hero-side { display: grid; gap: 40px; align-content: center; }
.hero-photo { position: relative; margin: 0; max-width: 220px; }
.hero-photo img {
  width: 100%; aspect-ratio: 4 / 5; object-fit: cover;
  background: var(--rule); transform: rotate(-1.2deg);
  border: 6px solid #fff; outline: 1px solid var(--rule);
}

/* 索引卡：列出正在線上運作的專案 */
.notecard {
  position: relative;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  padding: 28px 22px 18px;
  font-family: var(--sans);
}
.nc-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding-bottom: 12px; border-bottom: 2px solid var(--accent);
}
.nc-head h2 { margin: 0; font-family: var(--kai); font-size: 1.35rem; line-height: 1.4; }
.nc-count {
  min-width: 2em; padding: 0 9px; text-align: center;
  background: var(--ink); color: var(--paper);
  border-radius: 99px; font-size: .8rem; font-weight: 700; line-height: 1.8;
}
.nc-list { list-style: none; margin: 0; padding: 0; }
.nc-list a {
  display: grid; grid-template-columns: 10px minmax(0, 1fr); gap: 12px; align-items: start;
  padding: 10px 6px; margin: 0 -6px;
  border-bottom: 1px dashed var(--line, #b5b8c6);
  text-decoration: none;
}
.nc-list .dot { margin-top: 8px; }
.nc-list a:hover, .nc-list a:focus-visible { background: var(--mark); }
.nc-txt { display: grid; min-width: 0; }
.nc-name { font-family: var(--kai); font-size: 1.05rem; font-weight: 700; line-height: 1.5; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nc-tag { font-size: .8rem; color: var(--dim); line-height: 1.5; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nc-list a:hover .nc-tag, .nc-list a:focus-visible .nc-tag { color: var(--ink); }
.nc-foot { margin: 12px 0 0; font-size: .82rem; color: var(--dim); }
.nc-foot a { color: var(--ink); font-weight: 700; text-underline-offset: .25em; }
.nc-foot a:hover { background: var(--mark); }

@media (min-width: 960px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) 330px; gap: clamp(40px, 6vw, 96px); align-items: center; }
}

/* ---------- 區塊：左邊標題、右邊內容 ---------- */
.sec {
  padding: clamp(56px, 8vw, 104px) 0;
  border-top: 1px solid var(--rule);
  scroll-margin-top: var(--head-h);
}
.sec-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 26px; }
.sec-head h2 { margin: 0; font-size: clamp(1.9rem, 3.2vw, 2.5rem); line-height: 1.3; font-weight: 700; }
.sec-head h2 span {
  display: inline-block; line-height: 1.2;
  padding: 0 .14em; margin-left: -.14em;
  background: linear-gradient(transparent 56%, var(--mark) 56%, var(--mark) 94%, transparent 94%);
}
.sec-note { margin: 14px 0 0; max-width: 15em; font-family: var(--sans); font-size: .88rem; line-height: 1.7; color: var(--dim); }
@media (min-width: 900px) {
  .sec-grid { grid-template-columns: minmax(150px, 220px) minmax(0, 1fr); gap: clamp(32px, 5vw, 80px); }
  .sec-head { position: sticky; top: calc(var(--head-h) + 32px); align-self: start; }
}

.md p { margin: 0 0 1.2em; text-wrap: pretty; }
.md p:last-child { margin-bottom: 0; }
.md ul { margin: 0 0 1.2em; padding-left: 1.3em; }
.md a { color: var(--accent); text-underline-offset: .2em; }
.md code {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: .86em; background: var(--rule); padding: 1px 5px; border-radius: 3px;
}

/* 關於 */
.about-body { max-width: 34em; }
.about-body p:first-child { font-size: 1.28em; line-height: 1.85; }

/* 作品 */
.tools {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px 20px; align-items: end;
  margin: 0 0 22px;
  font-family: var(--sans); font-size: .92rem;
}
.search input {
  font: inherit; color: inherit; background: none; border: 0; border-radius: 0;
  border-bottom: 1.5px solid var(--ink); padding: 7px 2px; width: 100%;
}
.search input::placeholder { color: var(--dim); }
.filters { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 4px 18px; }
.flt {
  font: inherit; color: var(--dim); background: none; border: 0; border-radius: 0;
  border-bottom: 2px solid transparent; padding: 4px 2px; cursor: pointer;
}
.flt:hover { color: var(--ink); background: var(--mark); }
.flt[aria-pressed="true"] { color: var(--ink); font-weight: 700; border-bottom-color: var(--accent); }
.flt small { margin-left: .35em; font-size: .8em; }
.sort select {
  font: inherit; color: var(--ink); background: var(--paper);
  border: 1px solid var(--rule); border-radius: 3px; padding: 6px 8px;
}

.index { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.row { border-bottom: 1px solid var(--rule); }
.row-head {
  appearance: none; -webkit-appearance: none;
  display: grid; grid-template-columns: 10px minmax(0, 1.4fr) minmax(0, .8fr) 1.6rem;
  gap: 4px 20px; align-items: start;
  width: 100%; padding: 18px 12px;
  background: none; border: 0; border-radius: 0;
  color: inherit; font: inherit; text-align: left; cursor: pointer;
}
.row-head .dot { margin-top: 9px; }
.r-main { display: block; min-width: 0; }
.r-meta { display: grid; gap: 1px; padding-top: 5px; }
.r-name { display: block; font-weight: 700; font-size: 1.2rem; line-height: 1.5; overflow-wrap: anywhere; }
.r-name .pin { font-size: .72rem; }
.r-tag { display: block; color: var(--dim); text-wrap: pretty; }
.r-cat, .r-state { font-family: var(--sans); font-size: .84rem; color: var(--dim); }
.r-icon { padding-top: 4px; font-family: var(--sans); font-size: 1.3rem; line-height: 1.3; text-align: right; color: var(--dim); }
.r-icon::before { content: "+"; }
.row-head[aria-expanded="true"] .r-icon::before { content: "\2212"; }

.row-head:hover, .row-head:focus-visible, .row-head[aria-expanded="true"] { background: var(--mark); }
.row-head:hover .r-tag, .row-head:focus-visible .r-tag, .row-head[aria-expanded="true"] .r-tag,
.row-head:hover .r-cat, .row-head:focus-visible .r-cat, .row-head[aria-expanded="true"] .r-cat,
.row-head:hover .r-state, .row-head:focus-visible .r-state, .row-head[aria-expanded="true"] .r-state,
.row-head:hover .r-icon, .row-head:focus-visible .r-icon, .row-head[aria-expanded="true"] .r-icon { color: var(--ink); }
.row-head:hover .pin, .row-head:focus-visible .pin, .row-head[aria-expanded="true"] .pin { background: var(--ink); color: var(--paper); }
.row-head:focus-visible { outline-offset: -3px; }

/* 展開：高度平順地長出來（使用者點了才動） */
.row-detail {
  display: grid; grid-template-rows: 0fr; visibility: hidden;
  transition: grid-template-rows .32s ease, visibility 0s .32s;
}
.row-detail.open { grid-template-rows: 1fr; visibility: visible; transition: grid-template-rows .32s ease, visibility 0s; }
.row-clip { min-height: 0; overflow: hidden; }
.row-detail-in {
  display: grid; grid-template-columns: minmax(0, 1fr) 190px; gap: 24px 44px;
  padding: 18px 12px 34px 42px;
}
.row-detail-in.solo { grid-template-columns: minmax(0, 1fr); }
.d-main { min-width: 0; max-width: 40em; }
.d-cover { margin: 0 0 18px; border-radius: 3px; border: 1px solid var(--rule); }
.d-desc { margin: 0; text-wrap: pretty; }
.d-tech { list-style: none; margin: 18px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; font-family: var(--sans); font-size: .8rem; }
.d-tech li { padding: 1px 10px; border: 1px solid var(--line, #b5b8c6); border-radius: 2px; color: var(--dim); }
.d-side { display: grid; align-content: start; font-family: var(--sans); font-size: .92rem; border-top: 1.5px solid var(--ink); align-self: start; }
.d-side a {
  padding: 10px 2px; border-bottom: 1px solid var(--rule);
  color: var(--accent); font-weight: 500; text-decoration: none;
}
.d-side a:hover, .d-side a:focus-visible { background: var(--mark); color: var(--ink); }
.d-none { color: var(--dim); padding-top: 10px; }
.empty { padding: 36px 0; color: var(--dim); font-family: var(--sans); }

/* 技術 */
.stack { margin: 0; border-top: 2px solid var(--ink); }
.stack > div {
  display: grid; grid-template-columns: minmax(0, 9.5rem) minmax(0, 1fr); gap: 4px 28px;
  padding: 20px 12px; border-bottom: 1px solid var(--rule);
}
.stack dt { font-family: var(--sans); font-size: .92rem; font-weight: 700; padding-top: .25em; }
.stack dd { margin: 0; line-height: 1.95; }

/* 日誌 */
.logs { border-top: 2px solid var(--ink); }
.log {
  display: grid; grid-template-columns: 8rem minmax(0, 1fr); gap: 6px 32px;
  padding: 26px 12px; border-bottom: 1px solid var(--rule);
}
.log-date { padding-top: .5em; font-family: var(--sans); font-size: .88rem; color: var(--dim); font-variant-numeric: tabular-nums; }
.log h3 { margin: 0 0 6px; font-size: 1.3rem; line-height: 1.5; }
.log-body { max-width: 38em; }

/* 連結 */
.linklist { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.linklist li { border-bottom: 1px solid var(--rule); }
.linklist a {
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.6fr) minmax(0, .9fr); gap: 4px 24px;
  padding: 16px 12px; text-decoration: none; align-items: baseline;
}
.linklist a:hover, .linklist a:focus-visible { background: var(--mark); }
.ll-title { font-weight: 700; font-size: 1.1rem; overflow-wrap: anywhere; }
.ll-note { color: var(--dim); }
.ll-host { font-family: var(--sans); font-size: .85rem; color: var(--dim); text-align: right; overflow-wrap: anywhere; }
.linklist a:hover .ll-note, .linklist a:hover .ll-host, .linklist a:focus-visible .ll-note, .linklist a:focus-visible .ll-host { color: var(--ink); }

/* 聯絡 */
.contacts { border-top: 2px solid var(--ink); }
.c-row {
  display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: 4px 28px; align-items: baseline;
  padding: 22px 12px; border-bottom: 1px solid var(--rule); text-decoration: none;
}
.c-row:hover, .c-row:focus-visible { background: var(--mark); }
.c-label { font-family: var(--sans); font-size: .88rem; color: var(--dim); }
.c-row:hover .c-label, .c-row:focus-visible .c-label { color: var(--ink); }
.c-val { font-size: clamp(1.2rem, 2.4vw, 1.7rem); font-weight: 700; line-height: 1.5; overflow-wrap: anywhere; }

.form { display: grid; gap: 20px; max-width: 36em; margin-top: 52px; font-family: var(--sans); }
.form h3 { margin: 0; font-family: var(--kai); font-size: 1.4rem; }
.form p { margin: 0; color: var(--dim); font-size: .92rem; line-height: 1.7; }
.form label { display: grid; gap: 4px; font-size: .88rem; color: var(--dim); }
.form input, .form textarea {
  font: inherit; font-size: 1rem; color: var(--ink); background: none; border-radius: 0;
  border: 0; border-bottom: 1.5px solid var(--ink); padding: 8px 2px;
}
.form textarea { min-height: 150px; resize: vertical; border: 1.5px solid var(--ink); padding: 10px; }
.form input:focus, .form textarea:focus { outline: 3px solid var(--accent); outline-offset: 2px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-msg { min-height: 1.6em; font-size: .92rem; color: var(--ink); }
.form-msg.err { color: #b3261e; }

/* 頁尾 */
.foot { border-top: 1px solid var(--rule); padding: clamp(44px, 6vw, 72px) 0 28px; font-family: var(--sans); color: var(--dim); }
.foot-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr); gap: 32px 48px; }
.foot-id strong { font-family: var(--kai); font-size: 1.6rem; color: var(--ink); }
.foot-id p { margin: 6px 0 0; max-width: 22em; font-size: .92rem; line-height: 1.7; }
.foot-nav, .foot-contact { display: grid; gap: 6px; align-content: start; justify-items: start; font-size: .92rem; }
.foot a { color: var(--dim); text-decoration: none; padding: 1px 4px; margin: 0 -4px; }
.foot a:hover, .foot a:focus-visible { background: var(--mark); color: var(--ink); }
.foot-base {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px;
  margin-top: clamp(36px, 5vw, 56px); padding-top: 20px; border-top: 1px solid var(--rule);
  font-size: .82rem;
}
.foot-base > span:last-child { display: flex; gap: 20px; }

/* 預覽提示列 */
.pv-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  background: var(--ink); color: #fff; padding: 10px var(--pad);
  font-family: var(--sans); font-size: .85rem; display: flex; justify-content: space-between; gap: 16px;
}
.pv-bar a { color: var(--mark); }

/* ---------- 手機 ---------- */
@media (max-width: 760px) {
  body { font-size: 16px; }
  .hero-grid { gap: 44px; }
  .nav { -webkit-mask-image: linear-gradient(90deg, #000 90%, transparent); mask-image: linear-gradient(90deg, #000 90%, transparent); padding-right: 16px; }
  .hero-photo { max-width: 180px; }
  .nc-list li:nth-child(n+5) { display: none; }

  .tools { grid-template-columns: minmax(0, 1fr); }
  .row-head { grid-template-columns: 10px minmax(0, 1fr) 1.4rem; padding: 16px 6px; gap: 2px 14px; }
  .r-meta { grid-column: 2; display: flex; flex-wrap: wrap; gap: 0 14px; padding-top: 4px; }
  .r-icon { grid-column: 3; grid-row: 1; }
  .row-detail-in { grid-template-columns: minmax(0, 1fr); padding: 12px 6px 28px 30px; gap: 18px; }
  .d-side { grid-auto-flow: row; }

  .stack > div { grid-template-columns: minmax(0, 1fr); gap: 0; padding: 18px 6px; }
  .log { grid-template-columns: minmax(0, 1fr); gap: 0; padding: 22px 6px; }
  .log-date { padding-top: 0; margin-bottom: 4px; }
  .linklist a { grid-template-columns: minmax(0, 1fr); padding: 14px 6px; }
  .ll-host { text-align: left; }
  .c-row { grid-template-columns: minmax(0, 1fr); padding: 18px 6px; }

  .foot-grid { grid-template-columns: minmax(0, 1fr); }
  .foot-nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
}

/* ==========================================================================
   手機版：html[data-device="mobile"]
   由 js/device.js 自動判斷（也可以在頁尾手動切換）。電腦版的規則維持不動，
   這裡只覆蓋手機需要的部分：底部導覽、底部面板、橫向卡片、觸控尺寸、瀏海安全區。
   ========================================================================== */
.dock, .top-now { display: none; }
.sheet[hidden] { display: none; }
.btn-alt { background: none; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--ink); }
.btn-alt:hover, .btn-alt:focus-visible { background: var(--mark); color: var(--ink); }
.foot-sw button, .menu-sw button {
  font: inherit; color: var(--dim); background: none; border: 0; border-radius: 0; cursor: pointer;
  padding: 1px 4px; margin: 0 -4px; text-decoration: underline; text-underline-offset: .25em;
}
.foot-sw button:hover, .foot-sw button:focus-visible, .menu-sw button:hover, .menu-sw button:focus-visible { background: var(--mark); color: var(--ink); }
.foot-sw, .menu-sw { display: inline-flex; gap: 16px; }

html[data-device="mobile"] {
  --pad: max(20px, env(safe-area-inset-left, 0px), env(safe-area-inset-right, 0px));
  --head-h: calc(50px + env(safe-area-inset-top, 0px));
  --dock-h: 56px;
  -webkit-tap-highlight-color: transparent;
}
html.sheet-open { overflow: hidden; }

[data-device="mobile"] body {
  font-size: 16px; line-height: 1.9;
  padding-bottom: calc(var(--dock-h) + env(safe-area-inset-bottom, 0px));
}

/* ---- 頂欄 ---- */
[data-device="mobile"] .top { padding-top: env(safe-area-inset-top, 0px); }
[data-device="mobile"] .top::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: var(--accent); transform: scaleX(var(--p, 0)); transform-origin: 0 50%;
}
[data-device="mobile"] .top-in { height: 50px; gap: 12px; }
[data-device="mobile"] .brand { min-width: 0; overflow: hidden; text-overflow: ellipsis; font-size: 1.05rem; }
[data-device="mobile"] .nav { display: none; }
[data-device="mobile"] .top-now {
  display: inline-block; flex: none; padding: 0 9px;
  font-family: var(--sans); font-size: .8rem; line-height: 1.8; color: var(--ink);
  background: var(--mark); border-radius: 2px; white-space: nowrap;
}
[data-device="mobile"] .top-now:empty { display: none; }

/* ---- 底部導覽：像筆記本側邊的索引標籤 ---- */
[data-device="mobile"] .dock {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr);
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  padding: 0 env(safe-area-inset-right, 0px) env(safe-area-inset-bottom, 0px) env(safe-area-inset-left, 0px);
  background: var(--paper);
  background: color-mix(in srgb, var(--paper) 97%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  backdrop-filter: saturate(1.4) blur(10px);
  border-top: 1.5px solid var(--ink);
}
[data-device="mobile"] .dock a,
[data-device="mobile"] .dock button {
  appearance: none; -webkit-appearance: none;
  display: grid; place-items: center; min-height: var(--dock-h); padding: 0;
  border: 0; border-radius: 0; background: none; cursor: pointer;
  font-family: var(--kai); font-size: 1.02rem; font-weight: 700; line-height: 1.2;
  color: var(--dim); text-decoration: none;
}
[data-device="mobile"] .dock span { padding: 0 .4em; }
[data-device="mobile"] .dock [aria-current], [data-device="mobile"] .dock a:active, [data-device="mobile"] .dock button:active { color: var(--ink); }
[data-device="mobile"] .dock [aria-current] span,
[data-device="mobile"] .dock a:active span,
[data-device="mobile"] .dock button:active span {
  background: linear-gradient(transparent 52%, var(--mark) 52%, var(--mark) 92%, transparent 92%);
}
[data-device="mobile"] .pv-bar { bottom: calc(var(--dock-h) + env(safe-area-inset-bottom, 0px)); }

/* ---- 首頁 ---- */
[data-device="mobile"] .hero { padding: 26px 0 44px; }
[data-device="mobile"] .hero-grid { display: flex; flex-direction: column; gap: 34px; }
[data-device="mobile"] .hero-main { min-width: 0; }
[data-device="mobile"] .hero-side { display: contents; }
[data-device="mobile"] .hero-photo { order: -1; max-width: 92px; margin: 0 0 -12px 4px; }
[data-device="mobile"] .hero-photo .tape { width: 56px; height: 16px; margin-left: -28px; top: -9px; }
[data-device="mobile"] .hero-photo img { border-width: 4px; }
[data-device="mobile"] .hero-name { font-size: clamp(3rem, calc(min(100vw - 2 * var(--pad) - 16px, 420px) / var(--u, 3)), 11.5rem); }
[data-device="mobile"] .hero-tagline { margin-top: 18px; font-size: 1.32rem; }
[data-device="mobile"] .hero-intro { margin-top: 12px; }
[data-device="mobile"] .hero-cta { display: grid; grid-template-columns: minmax(0, 1fr); gap: 6px; margin-top: 26px; }
[data-device="mobile"] .hero-cta .btn { justify-self: stretch; text-align: center; padding: .9em 1em; }
[data-device="mobile"] .hero-cta .btn-link { justify-self: center; padding: 12px 10px; margin: 0; }

/* 「正在線上運作」：橫向滑動的索引卡 */
[data-device="mobile"] .notecard { padding: 0; border: 0; background: none; }
[data-device="mobile"] .notecard .tape { display: none; }
[data-device="mobile"] .nc-head { padding-bottom: 12px; border-bottom: 0; justify-content: flex-start; }
[data-device="mobile"] .nc-head h2 { font-size: 1.25rem; }
[data-device="mobile"] .nc-list {
  display: flex; gap: 14px; overflow-x: auto; scrollbar-width: none;
  scroll-snap-type: x mandatory; scroll-padding: 0 var(--pad); overscroll-behavior-x: contain;
  margin: 0 calc(-1 * var(--pad)); padding: 2px var(--pad) 12px;
}
[data-device="mobile"] .nc-list::-webkit-scrollbar { display: none; }
[data-device="mobile"] .nc-list li,
[data-device="mobile"] .nc-list li:nth-child(n+5) { display: block; flex: 0 0 min(74%, 270px); scroll-snap-align: start; }
[data-device="mobile"] .nc-list a {
  height: 100%; margin: 0; padding: 16px 16px 18px; gap: 10px;
  background: var(--paper); border: 1.5px solid var(--ink); border-radius: 3px;
  box-shadow: 4px 4px 0 var(--mark);
}
[data-device="mobile"] .nc-name { font-size: 1.1rem; }
[data-device="mobile"] .nc-tag {
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  white-space: normal; font-size: .86rem; margin-top: 2px;
}
[data-device="mobile"] .nc-foot { margin-top: 2px; }

/* ---- 區塊 ---- */
[data-device="mobile"] .sec { padding: 46px 0 52px; }
[data-device="mobile"] .sec-grid { gap: 20px; }
[data-device="mobile"] .sec-head h2 { font-size: 1.75rem; }
[data-device="mobile"] .sec-note { max-width: none; margin-top: 8px; }
[data-device="mobile"] .about-body p:first-child { font-size: 1.18em; }

/* 作品：搜尋、分類晶片（橫向滑動）、整列可點 */
[data-device="mobile"] .tools { grid-template-columns: minmax(0, 1fr) auto; gap: 12px 10px; margin-bottom: 14px; }
[data-device="mobile"] .search input {
  min-height: 46px; padding: 0 14px; font-size: 16px;
  background: var(--paper); border: 1.5px solid var(--ink); border-radius: 3px;
}
[data-device="mobile"] .sort select { min-height: 46px; padding: 0 10px; font-size: 16px; border: 1.5px solid var(--ink); border-radius: 3px; }
[data-device="mobile"] .filters {
  flex-wrap: nowrap; gap: 8px; overflow-x: auto; scrollbar-width: none; scroll-padding: 0 var(--pad);
  margin: 0 calc(-1 * var(--pad)); padding: 2px var(--pad) 6px;
}
[data-device="mobile"] .filters::-webkit-scrollbar { display: none; }
[data-device="mobile"] .flt {
  flex: none; min-height: 40px; padding: 0 16px; white-space: nowrap;
  color: var(--ink); background: var(--paper); border: 1.5px solid var(--ink); border-radius: 99px;
}
[data-device="mobile"] .flt[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }

[data-device="mobile"] .row-head { grid-template-columns: 10px minmax(0, 1fr) 1.2rem; gap: 2px 14px; min-height: 72px; padding: 16px 2px; }
[data-device="mobile"] .r-name { font-size: 1.12rem; }
[data-device="mobile"] .r-tag { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
[data-device="mobile"] .r-meta { grid-column: 2; display: flex; flex-wrap: wrap; gap: 0 14px; padding-top: 4px; }
[data-device="mobile"] .r-icon { grid-column: 3; grid-row: 1; align-self: center; font-size: 1.7rem; padding-top: 0; }
[data-device="mobile"] .row-head .r-icon::before,
[data-device="mobile"] .row-head[aria-expanded="true"] .r-icon::before { content: "\203A"; }
[data-device="mobile"] .row-detail { display: none; }

[data-device="mobile"] .stack > div { padding: 16px 2px; }
[data-device="mobile"] .log { padding: 22px 2px; }
[data-device="mobile"] .linklist a { min-height: 62px; padding: 14px 2px; }
[data-device="mobile"] .c-row { min-height: 68px; padding: 16px 2px; }
[data-device="mobile"] .c-val { font-size: 1.2rem; }
[data-device="mobile"] .form { margin-top: 36px; }
[data-device="mobile"] .form input, [data-device="mobile"] .form textarea { font-size: 16px; }
[data-device="mobile"] .form input { min-height: 46px; }
[data-device="mobile"] .form .btn { width: 100%; justify-self: stretch; text-align: center; padding: .95em 1em; }

[data-device="mobile"] .foot { padding: 36px 0 24px; }
[data-device="mobile"] .foot-grid { gap: 22px; }
[data-device="mobile"] .foot-base { flex-direction: column; align-items: flex-start; }
[data-device="mobile"] .foot-base > span:last-child { flex-wrap: wrap; gap: 8px 18px; }

/* ---- 觸控：沒有 hover，手指按下去才給回饋 ---- */
@media (hover: none) {
  [data-device="mobile"] .btn:hover { background: var(--ink); color: var(--paper); }
  [data-device="mobile"] .btn-alt:hover { background: none; color: var(--ink); }
  [data-device="mobile"] .btn-link:hover,
  [data-device="mobile"] .nc-foot a:hover,
  [data-device="mobile"] .foot a:hover,
  [data-device="mobile"] .foot-sw button:hover,
  [data-device="mobile"] .menu-sw button:hover,
  [data-device="mobile"] .row-head:hover,
  [data-device="mobile"] .linklist a:hover,
  [data-device="mobile"] .c-row:hover { background: none; }
  [data-device="mobile"] .nc-list a:hover { background: var(--paper); }
  [data-device="mobile"] .flt:not([aria-pressed="true"]):hover { background: var(--paper); color: var(--ink); }
  [data-device="mobile"] .foot a:hover, [data-device="mobile"] .foot-sw button:hover, [data-device="mobile"] .menu-sw button:hover { color: var(--dim); }
  [data-device="mobile"] .row-head:hover .r-tag, [data-device="mobile"] .row-head:hover .r-cat,
  [data-device="mobile"] .row-head:hover .r-state, [data-device="mobile"] .row-head:hover .r-icon,
  [data-device="mobile"] .linklist a:hover .ll-note, [data-device="mobile"] .linklist a:hover .ll-host,
  [data-device="mobile"] .c-row:hover .c-label { color: var(--dim); }
  [data-device="mobile"] .row-head:hover .pin { background: var(--mark); color: var(--ink); }
  [data-device="mobile"] .nc-list a:hover .nc-tag { color: var(--dim); }
}
[data-device="mobile"] .btn:active { background: var(--mark); color: var(--ink); }
[data-device="mobile"] .btn-link:active,
[data-device="mobile"] .nc-foot a:active,
[data-device="mobile"] .foot a:active,
[data-device="mobile"] .foot-sw button:active,
[data-device="mobile"] .row-head:active,
[data-device="mobile"] .nc-list a:active,
[data-device="mobile"] .linklist a:active,
[data-device="mobile"] .c-row:active,
[data-device="mobile"] .menu a:active { background: var(--mark); }
[data-device="mobile"] .flt:active { background: var(--mark); color: var(--ink); }

/* ---- 底部面板（專案介紹、目錄） ---- */
.sheet { position: fixed; inset: 0; z-index: 90; }
.sheet-bd { position: absolute; inset: 0; background: rgba(20, 24, 50, .5); opacity: 0; transition: opacity .28s ease; touch-action: none; }
.sheet.in .sheet-bd { opacity: 1; }
.sheet-pn {
  --ty: 100%;
  position: absolute; left: 50%; bottom: 0; width: min(100%, 640px);
  max-height: calc(100vh - 36px - env(safe-area-inset-top, 0px));
  max-height: calc(100dvh - 36px - env(safe-area-inset-top, 0px));
  display: flex; flex-direction: column; outline: 0;
  background: var(--paper); border-top: 2px solid var(--ink); border-radius: 14px 14px 0 0;
  box-shadow: 0 -10px 34px rgba(20, 24, 50, .2);
  transform: translate(-50%, var(--ty));
  transition: transform .32s cubic-bezier(.2, .85, .25, 1);
}
.sheet.in .sheet-pn { --ty: 0px; }
.sheet-hd {
  position: relative; flex: none; display: flex; align-items: flex-start; gap: 12px;
  padding: 26px var(--pad) 12px; touch-action: none;
}
.sheet-grip {
  position: absolute; top: -12px; left: 50%; width: 88px; height: 22px; margin-left: -44px;
  background: var(--mark); opacity: .92; transform: rotate(-2deg);
}
.sheet-t { flex: 1; min-width: 0; margin: 0; font-size: 1.4rem; line-height: 1.45; overflow-wrap: anywhere; }
.sheet-x {
  flex: none; min-height: 40px; padding: 0 16px; margin-top: -2px;
  font-family: var(--sans); font-size: .92rem; color: var(--ink);
  background: none; border: 1.5px solid var(--ink); border-radius: 99px; cursor: pointer;
}
.sheet-x:active { background: var(--mark); }
.sheet-body {
  flex: 1 1 auto; min-height: 0; overflow-y: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch;
  padding: 2px var(--pad) 26px;
}
.sheet-ft {
  flex: none; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 10px;
  padding: 10px var(--pad) calc(12px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--rule); font-family: var(--sans);
}
.sheet-ft[hidden] { display: none; }
.sh-nav {
  display: grid; gap: 0; min-width: 0; padding: 8px 12px; text-align: left;
  font: inherit; color: var(--ink); background: none; border: 1.5px solid var(--rule); border-radius: 3px; cursor: pointer;
}
.sh-nav:last-of-type { text-align: right; }
.sh-nav small { font-size: .74rem; color: var(--dim); }
.sh-nav span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 700; font-size: .92rem; }
.sh-nav:active { background: var(--mark); }
.sh-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 2px 14px; margin: 0 0 6px; font-family: var(--sans); font-size: .86rem; color: var(--dim); }
.sh-meta .dot { margin-right: -6px; }
.sh-tag { margin: 0 0 16px; font-weight: 700; font-size: 1.12rem; line-height: 1.7; text-wrap: balance; }
.sheet .d-cover { width: 100%; }
.sh-links { display: grid; gap: 10px; margin-top: 24px; }
.sh-links .btn { justify-self: stretch; text-align: center; padding: .85em 1em; }
.menu { border-top: 2px solid var(--ink); }
.menu a {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  min-height: 60px; padding: 14px 2px; align-items: center;
  border-bottom: 1px solid var(--rule); text-decoration: none; font-size: 1.28rem; font-weight: 700;
}
.menu a[aria-current] span { background: linear-gradient(transparent 56%, var(--mark) 56%, var(--mark) 94%, transparent 94%); }
.menu a span { line-height: 1.35; }
.menu small { font-family: var(--sans); font-size: .85rem; font-weight: 400; color: var(--dim); }
.menu-sw { margin: 22px 0 0; font-family: var(--sans); font-size: .88rem; color: var(--dim); }

/* ---- 橫放的手機：高度很矮，所有東西縮小一點 ---- */
@media (max-height: 500px) and (orientation: landscape) {
  html[data-device="mobile"] { --head-h: calc(44px + env(safe-area-inset-top, 0px)); --dock-h: 46px; }
  [data-device="mobile"] .top-in { height: 44px; }
  [data-device="mobile"] .dock a, [data-device="mobile"] .dock button { font-size: .95rem; }
  [data-device="mobile"] .hero { padding: 18px 0 36px; }
  [data-device="mobile"] .hero-name { font-size: clamp(2.4rem, calc(min(100vw - 2 * var(--pad) - 16px, 420px) / var(--u, 3)), 4.8rem); }
  [data-device="mobile"] .hero-tagline { font-size: 1.15rem; }
  [data-device="mobile"] .nc-list li, [data-device="mobile"] .nc-list li:nth-child(n+5) { flex-basis: min(46%, 300px); }
  [data-device="mobile"] .sec { padding: 34px 0 40px; }
  .sheet-pn { max-height: calc(100vh - 22px); max-height: calc(100dvh - 22px); }
  .sheet-hd { padding-top: 22px; }
}

/* 電腦上強制看手機版：做成一欄置中的手機畫面 */
@media (min-width: 900px) {
  html[data-device="mobile"][data-forced] body { max-width: 520px; margin: 0 auto; border-inline: 1px solid var(--rule); min-height: 100vh; }
  html[data-device="mobile"][data-forced] .dock { left: 50%; right: auto; width: 520px; transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .row-detail, .row-detail.open { transition: none; }
  .sheet-pn, .sheet-bd { transition: none; }
}

@media print {
  .top, .tools, .pv-bar, .tape, .hero-cta, .foot-nav, .dock, .sheet, .foot-sw { display: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .row-detail { grid-template-rows: 1fr; visibility: visible; }
  .sec-head { position: static; }
  .row-head { background: none !important; }
}

/* 只給螢幕閱讀器看的文字 */
.sr {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

.it { white-space: nowrap; }