/* =====================================================
   AIDA64 產品詳情頁共用樣式 · product-page.css
===================================================== */

/* ========== Hero ========== */
.pp-hero {
  position: relative;
  padding: 110px 0 90px;
  overflow: hidden;
  background:
    radial-gradient(1100px 520px at 85% -10%, rgba(7,121,191,.35), transparent 60%),
    radial-gradient(800px 420px at 0% 20%, rgba(7,121,191,.15), transparent 60%),
    linear-gradient(180deg,#000 0%, #05090d 100%);
}
.pp-hero::before {
  content:""; position:absolute; inset:0; pointer-events:none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240' viewBox='0 0 240 240'><g fill='none' stroke='%230779BF' stroke-width='1' stroke-opacity='0.18'><path d='M20 20h60v40h40v60H60v40H20z'/><path d='M140 20v40h80'/><path d='M220 100h-40v60h40'/><circle cx='80' cy='60' r='3' fill='%230779BF' fill-opacity='0.4'/><circle cx='140' cy='60' r='3' fill='%230779BF' fill-opacity='0.4'/><circle cx='180' cy='100' r='3' fill='%230779BF' fill-opacity='0.4'/><rect x='100' y='100' width='40' height='40' rx='3'/><path d='M104 108h32M104 116h32M104 124h32'/></g></svg>");
  background-size: 240px 240px;
  opacity: .45;
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, #000 30%, transparent 75%);
          mask-image: radial-gradient(ellipse at 50% 50%, #000 30%, transparent 75%);
}
.pp-hero-inner {
  position: relative;
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center;
}
/* Hero 徽章 · 分段樣式（參考首頁 slogan） */
.pp-hero-badge {
  display: inline-flex; align-items: stretch;
  padding: 0; border-radius: 999px; overflow: hidden;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(7,121,191,.35);
  font-size: 12px; letter-spacing: 1px;
  box-shadow: 0 8px 24px rgba(7,121,191,.12);
  -webkit-backdrop-filter: blur(6px);
          backdrop-filter: blur(6px);
}
.pp-hero-badge .tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px;
  background: linear-gradient(135deg,#0779BF,#35a3e6);
  color: #fff; font-weight: 700; letter-spacing: 1.5px;
}
.pp-hero-badge .tag svg { width: 13px; height: 13px; }
.pp-hero-badge .txt {
  display: inline-flex; align-items: center;
  padding: 7px 16px;
  color: #cfe4f5; font-weight: 500;
}
@media (max-width: 560px) {
  .pp-hero-badge { font-size: 11px; }
  .pp-hero-badge .tag { padding: 6px 10px; letter-spacing: 1px; }
  .pp-hero-badge .txt { padding: 6px 12px; }
}
.pp-hero h1 {
  margin: 22px 0 18px;
  font-size: clamp(34px, 4.6vw, 54px);
  line-height: 1.18; color:#fff; font-weight: 800; letter-spacing: .5px;
}
.pp-hero h1 .grad {
  background: linear-gradient(90deg,#0779BF 0%, #35a3e6 60%, #7ed0ff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.pp-hero p.lead { color:#cfd8e2; font-size: 16px; line-height: 1.85; max-width: 560px; }
.pp-hero-actions { margin-top: 34px; display:flex; gap: 12px; flex-wrap: wrap; }
.pp-hero-actions .btn { padding: 13px 24px; font-size: 14.5px; }

.pp-hero-visual {
  position: relative; justify-self: end;
  width: 100%; max-width: 420px; aspect-ratio: 1/1;
  display: flex; align-items: center; justify-content: center;
}
.pp-hero-visual::before {
  content:""; position: absolute; inset: 10%;
  background: radial-gradient(circle, rgba(7,121,191,.5), rgba(7,121,191,.1) 50%, transparent 70%);
  filter: blur(40px);
}
.pp-hero-visual::after {
  content:""; position: absolute; inset: 0; border-radius: 50%;
  border: 1px dashed rgba(7,121,191,.25);
  animation: pp-spin 50s linear infinite;
}
@keyframes pp-spin { to { transform: rotate(360deg); } }
.pp-hero-logo {
  position: relative; z-index: 2;
  width: 70%; aspect-ratio: 1/1;
  border-radius: 30px;
  background: linear-gradient(160deg, #0d141c 0%, #05090d 100%);
  border: 1px solid rgba(7,121,191,.3);
  box-shadow: 0 30px 80px rgba(7,121,191,.3), inset 0 1px 0 rgba(255,255,255,.06);
  display: flex; align-items: center; justify-content: center;
  padding: 18%;
}
.pp-hero-logo img {
  width: 100%; height: 100%; object-fit: contain;
  filter: drop-shadow(0 12px 30px rgba(7,121,191,.5));
}

@media (max-width: 900px) {
  .pp-hero { padding: 70px 0 60px; }
  .pp-hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .pp-hero-visual { max-width: 320px; justify-self: center; }
}

/* ========== Intro ========== */
.pp-intro {
  padding: 60px 0 20px;
}
.pp-intro-inner {
  max-width: 960px; margin: 0 auto;
  padding: 34px 40px;
  border: 1px solid rgba(7,121,191,.2);
  border-radius: 18px;
  background:
    radial-gradient(600px 200px at 100% 0%, rgba(7,121,191,.12), transparent 60%),
    linear-gradient(180deg,#0a121a 0%, #05090d 100%);
  color: #cfd8e2; font-size: 15px; line-height: 1.9;
}
.pp-intro-inner strong { color:#fff; font-weight: 700; }

/* ========== Features grid ========== */
.pp-features { padding: 80px 0 40px; }
.pp-head { text-align: center; margin-bottom: 48px; }
.pp-head .section-desc { margin-left:auto; margin-right:auto; }

.pp-feat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
}
.pp-feat {
  position: relative; overflow: hidden;
  padding: 26px 22px 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg,#0b1320 0%, #070b10 100%);
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.pp-feat::before {
  content:""; position: absolute; top:0; left:0; right:0; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(7,121,191,.7), transparent);
  transform: scaleX(0); transform-origin: left; transition: transform .4s;
}
.pp-feat:hover { transform: translateY(-4px); border-color: rgba(7,121,191,.4); box-shadow: 0 20px 40px rgba(7,121,191,.15); }
.pp-feat:hover::before { transform: scaleX(1); }
.pp-feat-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: linear-gradient(135deg, rgba(7,121,191,.25), rgba(53,163,230,.08));
  border: 1px solid rgba(7,121,191,.3);
  color: #7ed0ff;
  display:flex; align-items:center; justify-content:center;
  margin-bottom: 16px;
}
.pp-feat-icon svg { width: 22px; height: 22px; }
.pp-feat h3 { color:#fff; font-size: 16px; font-weight: 700; margin-bottom: 8px; letter-spacing:.3px; }
.pp-feat h3 small { display:block; color:var(--muted); font-weight: 400; font-size: 11.5px; letter-spacing: 1.2px; margin-top: 3px; text-transform: uppercase; }
.pp-feat p { color:#b5c2cf; font-size: 13.5px; line-height: 1.7; }
.pp-feat a.more {
  display: inline-flex; align-items:center; gap: 4px;
  margin-top: 10px; color: #35a3e6; font-size: 12.5px; font-weight: 600;
}
.pp-feat a.more:hover { color: #7ed0ff; }

/* 寬卡片：在 4 列布局下跨 2 列 */
.pp-feat.wide { grid-column: span 2; }

@media (max-width: 1080px) {
  .pp-feat-grid { grid-template-columns: repeat(2, 1fr); }
  .pp-feat.wide { grid-column: span 2; }
}
@media (max-width: 520px) {
  .pp-feat-grid { grid-template-columns: 1fr; }
  .pp-feat.wide { grid-column: auto; }
}

/* ========== Screenshots · 畫廊（主圖 + 縮略圖 + 燈箱） ========== */
.pp-shots { padding: 70px 0; }

.pp-gallery { margin-top: 0; }
/* 未渲染前的數據源：隱藏 */
.pp-gallery > .pp-shots-grid { display: none; }

/* 主預覽 */
.pg-main {
  position: relative; overflow: hidden;
  border: 1px solid rgba(7,121,191,.25);
  border-radius: 16px;
  aspect-ratio: 16/9;
  background: #0a0f14;
  box-shadow: 0 30px 70px rgba(0,0,0,.5);
  cursor: zoom-in;
}
.pg-main img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: contain;
  background: #0a0f14;
  transition: opacity .3s ease;
}
.pg-main img.leaving { opacity: 0; }
.pg-main::after {
  content:""; position:absolute; inset: 0; pointer-events:none;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,.55) 100%);
}
.pg-counter {
  position: absolute; top: 16px; right: 16px; z-index: 3;
  padding: 6px 12px; border-radius: 999px;
  background: rgba(0,0,0,.6); border: 1px solid rgba(255,255,255,.1);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 12px; color: #cfe4f5; letter-spacing: 1.5px;
}
.pg-counter em { font-style: normal; color: #35a3e6; font-weight: 700; }

.pg-cap {
  position: absolute; left: 20px; bottom: 18px; z-index: 3;
  padding: 8px 14px; border-radius: 999px;
  background: rgba(7,121,191,.2);
  border: 1px solid rgba(7,121,191,.35);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  color:#fff; font-size: 13px; font-weight: 600; letter-spacing: .5px;
  max-width: calc(100% - 40px); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.pg-expand {
  position: absolute; right: 16px; bottom: 16px; z-index: 3;
  width: 38px; height: 38px; border-radius: 10px;
  background: rgba(0,0,0,.6); border: 1px solid rgba(255,255,255,.15);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; transition: .2s;
}
.pg-expand:hover { background: rgba(7,121,191,.5); border-color: rgba(53,163,230,.6); }
.pg-expand svg { width: 18px; height: 18px; }

.pg-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(0,0,0,.55); border: 1px solid rgba(255,255,255,.15);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; transition: .2s;
  opacity: .85;
}
.pg-nav:hover { background: linear-gradient(135deg,#0779BF,#35a3e6); border-color: rgba(53,163,230,.8); opacity: 1; }
.pg-nav svg { width: 20px; height: 20px; }
.pg-prev { left: 16px; }
.pg-next { right: 16px; }

/* 縮略圖帶 */
.pg-thumbs {
  display: grid; grid-auto-flow: column; grid-auto-columns: 96px;
  gap: 8px;
  margin-top: 14px;
  overflow-x: auto; overflow-y: hidden;
  padding: 4px 2px 10px;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: rgba(7,121,191,.5) transparent;
}
.pg-thumbs::-webkit-scrollbar { height: 6px; }
.pg-thumbs::-webkit-scrollbar-track { background: transparent; }
.pg-thumbs::-webkit-scrollbar-thumb { background: rgba(7,121,191,.4); border-radius: 999px; }
.pg-thumb {
  position: relative; aspect-ratio: 16/10;
  border-radius: 8px; overflow: hidden;
  border: 1px solid rgba(255,255,255,.08);
  cursor: pointer;
  background: #0a0f14;
  transition: .2s;
}
.pg-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top center; opacity: .7; transition: .2s; }
.pg-thumb:hover img { opacity: 1; }
.pg-thumb:hover { border-color: rgba(7,121,191,.4); transform: translateY(-2px); }
.pg-thumb.active { border-color: #35a3e6; box-shadow: 0 0 0 2px rgba(53,163,230,.35), 0 8px 20px rgba(7,121,191,.3); }
.pg-thumb.active img { opacity: 1; }

@media (max-width: 640px) {
  .pg-main { border-radius: 12px; }
  .pg-nav { width: 36px; height: 36px; }
  .pg-cap { font-size: 12px; padding: 6px 10px; left: 12px; bottom: 12px; }
  .pg-expand { width: 32px; height: 32px; right: 12px; bottom: 12px; }
  .pg-counter { top: 12px; right: 12px; font-size: 11px; }
  .pg-thumbs { grid-auto-columns: 80px; }
}

/* 燈箱 Lightbox */
.pg-lightbox {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,.94);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  display: none;
  align-items: center; justify-content: center;
  padding: 5vh 6vw;
  cursor: zoom-out;
}
.pg-lightbox.open { display: flex; animation: pg-fade .25s ease; }
@keyframes pg-fade { from { opacity: 0; } to { opacity: 1; } }
.pg-lightbox-img {
  max-width: 100%; max-height: 100%;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 30px 100px rgba(7,121,191,.3);
  cursor: default;
}
.pg-lb-close, .pg-lb-prev, .pg-lb-next {
  position: absolute; z-index: 2;
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; transition: .2s;
}
.pg-lb-close:hover, .pg-lb-prev:hover, .pg-lb-next:hover {
  background: linear-gradient(135deg,#0779BF,#35a3e6);
  border-color: rgba(53,163,230,.6);
}
.pg-lb-close svg, .pg-lb-prev svg, .pg-lb-next svg { width: 22px; height: 22px; }
.pg-lb-close { top: 24px; right: 24px; }
.pg-lb-prev  { left: 24px;  top: 50%; transform: translateY(-50%); }
.pg-lb-next  { right: 24px; top: 50%; transform: translateY(-50%); }
.pg-lb-cap {
  position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%);
  padding: 8px 18px; border-radius: 999px;
  background: rgba(7,121,191,.25); border: 1px solid rgba(7,121,191,.4);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  color:#fff; font-size: 13.5px; font-weight: 600;
  max-width: 80vw; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
@media (max-width: 640px) {
  .pg-lightbox { padding: 3vh 3vw; }
  .pg-lb-close { top: 14px; right: 14px; width: 40px; height: 40px; }
  .pg-lb-prev  { left: 10px; width: 40px; height: 40px; }
  .pg-lb-next  { right: 10px; width: 40px; height: 40px; }
  .pg-lb-cap { bottom: 16px; font-size: 12px; }
}

/* ========== System Req + Languages ========== */
.pp-meta { padding: 40px 0 60px; }
.pp-meta-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 22px;
}
.pp-meta-card {
  padding: 28px;
  border: 1px solid var(--line); border-radius: 16px;
  background: linear-gradient(180deg,#0b1320 0%, #05090d 100%);
}
.pp-meta-card h3 {
  color:#fff; font-size: 15px; font-weight: 700; letter-spacing: 1.5px;
  margin-bottom: 18px;
  display: flex; align-items: center; gap: 10px;
}
.pp-meta-card h3::before {
  content: ""; width: 4px; height: 16px;
  background: linear-gradient(180deg,#0779BF,#35a3e6); border-radius: 2px;
}
.pp-meta-card dl { display: grid; gap: 10px; }
.pp-meta-card dt {
  color: var(--muted); font-size: 11.5px; letter-spacing: 1.5px;
  text-transform: uppercase; margin-bottom: 3px;
}
.pp-meta-card dd { color: #cfd8e2; font-size: 13.5px; line-height: 1.7; margin: 0; }
.pp-meta-card dd strong { color:#fff; }

.pp-lang-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.pp-lang-chips span {
  padding: 5px 10px; border-radius: 6px;
  background: rgba(7,121,191,.08); border: 1px solid rgba(7,121,191,.18);
  color: #c9d4df; font-size: 12px;
}
.pp-lang-chips span.hl {
  background: linear-gradient(135deg, rgba(7,121,191,.4), rgba(53,163,230,.15));
  border-color: rgba(53,163,230,.5); color: #fff; font-weight: 600;
}

@media (max-width: 860px) { .pp-meta-grid { grid-template-columns: 1fr; } }

/* ========== CTA 對比 ========== */
.pp-cta {
  padding: 60px 0 80px;
}
.pp-cta-inner {
  position: relative; overflow: hidden;
  padding: 42px 48px;
  border: 1px solid rgba(7,121,191,.3);
  border-radius: 20px;
  background:
    radial-gradient(500px 200px at 100% 0%, rgba(7,121,191,.3), transparent 60%),
    linear-gradient(135deg, #0b1a28 0%, #05090d 100%);
  display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center;
}
.pp-cta-inner::before {
  content:""; position: absolute; top:-50%; right:-10%; width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(7,121,191,.3), transparent 70%);
  filter: blur(40px); pointer-events: none;
}
.pp-cta h3 { color:#fff; font-size: 22px; font-weight: 700; margin-bottom: 8px; letter-spacing: .3px; }
.pp-cta p { color: #c9d4df; font-size: 14px; line-height: 1.75; max-width: 620px; }
.pp-cta .btn { white-space: nowrap; padding: 14px 26px; font-size: 14.5px; }

@media (max-width: 760px) {
  .pp-cta-inner { grid-template-columns: 1fr; padding: 32px 24px; }
  .pp-cta .btn { width: 100%; justify-content: center; }
}