/* ==========================================================================
   永盛徵信社 — 首頁專用版型
   兩條主軸：
   (1) 情境敘事 — 整頁是一條「從懷疑到取得證據」的閱讀動線，
       每個區塊都是一個章節，有編號、有承接上一段的引言。
   (2) 不對稱編輯風 — 打破置中對齊，改用左重右輕的雜誌式版面、
       錯位卡片、出血圖與超大字級，讓視覺節奏跟舊版完全不同。
   依賴 site.css 的色票與元件，只在此覆寫首頁需要的部分。
   ========================================================================== */

/* ── 進場動畫（尊重 prefers-reduced-motion） ─────────────────── */

/* 只有在 JS 可用時才先藏起來，否則關掉 JS 的訪客與純文字爬蟲會看到整頁空白 */
.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.js .reveal.is-in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; }
.reveal-d2 { transition-delay: .16s; }
.reveal-d3 { transition-delay: .24s; }
.reveal-d4 { transition-delay: .32s; }

@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ── 章節框架 ────────────────────────────────────────────────── */

.chapter { position: relative; padding: clamp(72px, 9vw, 132px) 0; }
.chapter--paper { background: var(--paper-2); }
.chapter--ink { background: var(--navy-900); color: #b9c7d6; }
.chapter--ink :is(h2, h3, .chapter-title) { color: #fff; }

/* 左欄固定的章節標籤 + 右欄內容 */
.chapter-split {
  display: grid;
  grid-template-columns: minmax(240px, 3fr) 8fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}

/* grid item 預設 min-width:auto，會被 .rail、.table-wrap 這種
   min-content 很寬的子元素撐爆整欄。一定要歸零。 */
.chapter-split > * { min-width: 0; }

.chapter-rail { position: sticky; top: calc(var(--header-h) + 40px); }

.chapter-num {
  display: block;
  font-size: clamp(3.2rem, 7vw, 5.6rem);
  font-weight: 800;
  line-height: .85;
  letter-spacing: -.05em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--gold-500);
  margin-bottom: 18px;
}
.chapter--ink .chapter-num { -webkit-text-stroke-color: var(--gold-400); }

.chapter-kicker {
  display: block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold-600);
  margin-bottom: 12px;
}
.chapter--ink .chapter-kicker { color: var(--gold-400); }

.chapter-title {
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  line-height: 1.28;
  letter-spacing: -.02em;
  margin-bottom: 16px;
}

.chapter-note {
  font-size: .9375rem;
  line-height: 1.9;
  color: var(--ink-soft);
  max-width: 34ch;
}
.chapter--ink .chapter-note { color: #93a6ba; }

/* 敘事引言：承接上一章的一句話，字大、留白多 */
.chapter-lead {
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  line-height: 1.8;
  font-weight: 500;
  color: var(--navy-800);
  max-width: 46ch;
  margin-bottom: clamp(32px, 4vw, 52px);
}
.chapter-lead em {
  font-style: normal;
  background: linear-gradient(transparent 62%, var(--gold-100) 62%);
  padding: 0 2px;
}
.chapter--ink .chapter-lead { color: #dae3ec; }
.chapter--ink .chapter-lead em {
  background: linear-gradient(transparent 62%, rgba(201, 162, 39, .3) 62%);
}

/* ── Hero：左文右圖的不對稱切分 ──────────────────────────────── */

.hero-editorial {
  position: relative;
  background: var(--navy-900);
  color: #fff;
  overflow: hidden;
  padding: clamp(48px, 6vw, 84px) 0 0;
}
.hero-editorial::before {
  content: "";
  position: absolute;
  top: -20%; right: -10%;
  width: 60vw; height: 120%;
  background: radial-gradient(ellipse at center, rgba(36, 80, 111, .55), transparent 62%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 7fr 4fr;
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
  min-height: clamp(380px, 52vh, 520px);
}

/* 右欄不放圖，改用巨型透空數字＋直排標語當視覺錨點，
   讓 banner 可以在下一段以原始比例完整呈現，不必被裁成直式 */
.hero-mark {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 22px;
  padding-right: 4px;
}
.hero-mark-year {
  font-size: clamp(5rem, 11vw, 9.5rem);
  font-weight: 800;
  line-height: .82;
  letter-spacing: -.06em;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(201, 162, 39, .5);
  user-select: none;
}
.hero-mark-vertical {
  writing-mode: vertical-rl;
  text-orientation: upright;
  letter-spacing: .38em;
  font-size: .8125rem;
  font-weight: 700;
  color: #6f88a1;
  padding: 18px 0;
  border-left: 1px solid rgba(255, 255, 255, .14);
  padding-left: 18px;
}

.hero-eyebrow {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 26px;
  font-size: .75rem; font-weight: 700;
  letter-spacing: .24em; text-transform: uppercase;
  color: var(--gold-400);
}
.hero-eyebrow::after {
  content: ""; flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--gold-500), transparent);
}

/* 敘事開場：委託人心裡那句話 */
.hero-quote {
  font-size: clamp(.9375rem, 1.6vw, 1.0625rem);
  color: #8fa3b8;
  font-style: italic;
  margin-bottom: 18px;
  padding-left: 18px;
  border-left: 2px solid var(--gold-500);
}

.hero-editorial h1 {
  color: #fff;
  font-size: clamp(2rem, 4.6vw, 3.9rem);
  line-height: 1.2;
  letter-spacing: -.035em;
  margin-bottom: 22px;
  text-wrap: balance;
}
.hero-editorial h1 em { font-style: normal; color: var(--gold-400); }
.hero-editorial h1 .h1-sub {
  display: block;
  font-size: .42em;
  font-weight: 500;
  letter-spacing: .01em;
  color: #a9bccf;
  margin-top: 14px;
  line-height: 1.7;
}

.hero-editorial .hero-sub { color: #b3c3d3; max-width: 48ch; margin-bottom: 30px; }
.hero-editorial .hero-actions { margin-bottom: 0; }

/* ── Banner 條：以原始 1080×417 比例完整呈現客戶提供的主視覺 ─── */

.banner-strip {
  position: relative;
  background: var(--navy-900);
  overflow: hidden;
}
.banner-frame {
  position: relative;
  /* 對齊來源檔實際比例 2062×763，避免非必要的裁切。
     width 必須寫死 100%：若寬度是 auto，max-height 會反過來把寬度一起縮掉 */
  width: 100%;
  aspect-ratio: 2062 / 763;
  max-height: 480px;
}
.banner-frame img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transition: opacity 1s var(--ease);
}
.banner-frame img.is-active { opacity: 1; }

/* 10 張 banner 明暗差異大，導覽點外面包一層深色膠囊才保證看得到 */
.banner-nav {
  position: absolute; z-index: 3;
  right: clamp(16px, 3vw, 36px); bottom: clamp(16px, 2.5vw, 32px);
  display: flex; align-items: center; gap: 6px;
  padding: 9px 14px;
  border-radius: 100px;
  background: rgba(13, 27, 42, .42);
  backdrop-filter: blur(6px);
}
/* 視覺上是 3px 細條，但按鈕本身留 22px 高的可點範圍 */
.banner-nav button {
  width: 24px; height: 24px; padding: 0; border: 0;
  background: none;
  display: grid; place-items: center;
  transition: width .25s var(--ease);
}
.banner-nav button::before {
  content: "";
  display: block;
  width: 100%; height: 3px;
  border-radius: 2px;
  background: rgba(255, 255, 255, .45);
  transition: background-color .25s var(--ease);
}
.banner-nav button:hover::before { background: rgba(255, 255, 255, .8); }
.banner-nav button[aria-current="true"] { width: 34px; }
.banner-nav button[aria-current="true"]::before { background: var(--gold-400); }

/* 首屏底部的信任跑馬燈 */
.trust-marquee {
  position: relative;
  margin-top: clamp(40px, 5vw, 64px);
  border-top: 1px solid rgba(255, 255, 255, .14);
  border-bottom: 1px solid rgba(255, 255, 255, .14);
  overflow: hidden;
}
.trust-track {
  display: flex; align-items: center; gap: 44px;
  padding: 16px 0;
  white-space: nowrap;
  will-change: transform;
  animation: marquee 34s linear infinite;
}
.trust-track li {
  display: flex; align-items: center; gap: 9px;
  font-size: .875rem; color: #c2d0de; letter-spacing: .04em;
}
.trust-track svg { color: var(--gold-400); flex-shrink: 0; }
.trust-marquee:hover .trust-track { animation-play-state: paused; }

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .trust-track { animation: none; flex-wrap: wrap; white-space: normal; gap: 12px 28px; }
}

/* ── 數據橫排（取代舊版四宮格） ───────────────────────────────── */

.figures {
  display: flex; flex-wrap: wrap;
  gap: clamp(24px, 4vw, 56px);
  padding: clamp(28px, 3.5vw, 44px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.figure-item { display: flex; align-items: baseline; gap: 12px; }
.figure-num {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1;
  color: var(--navy-900);
  font-variant-numeric: tabular-nums;
}
.figure-num small { font-size: .42em; color: var(--gold-600); margin-left: 2px; }
.figure-label { font-size: .875rem; color: var(--ink-soft); line-height: 1.5; max-width: 9em; }
.chapter--ink .figure-num { color: #fff; }
.chapter--ink .figure-label { color: #93a6ba; }

/* ── 錯位服務卡片 ────────────────────────────────────────────── */

.stagger-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(14px, 1.8vw, 22px);
  align-items: start;
}
/* 第 2、4 欄整體往下推，形成鋸齒節奏 */
.stagger-grid > *:nth-child(4n+2),
.stagger-grid > *:nth-child(4n+4) { margin-top: clamp(24px, 3.5vw, 52px); }

.svc {
  position: relative;
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--navy-900);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.svc:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.svc-media { position: relative; aspect-ratio: 3 / 4; overflow: hidden; }
.svc-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s var(--ease), filter .4s var(--ease);
  filter: saturate(.72) contrast(1.05);
}
.svc:hover .svc-media img { transform: scale(1.07); filter: saturate(1) contrast(1); }
.svc-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(13, 27, 42, .1) 30%, rgba(13, 27, 42, .92) 100%);
}

.svc-body {
  position: absolute; z-index: 2;
  left: 0; right: 0; bottom: 0;
  padding: 20px 18px;
  color: #fff;
}
.svc-idx {
  display: block;
  font-size: .6875rem; letter-spacing: .18em;
  color: var(--gold-400);
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}
.svc-name {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  font-size: 1.0625rem; font-weight: 700; color: #fff;
  margin-bottom: 6px;
}
.svc-name::after { content: "→"; color: var(--gold-400); transition: transform .25s var(--ease); }
.svc:hover .svc-name::after { transform: translateX(5px); }
.svc-desc {
  font-size: .8125rem; line-height: 1.65; color: #b8c7d6;
  max-height: 0; opacity: 0; overflow: hidden;
  transition: max-height .35s var(--ease), opacity .3s var(--ease);
}
.svc:hover .svc-desc { max-height: 5em; opacity: 1; }

/* ── 出血圖（關於我們） ──────────────────────────────────────── */

.bleed-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
}
.bleed-figure {
  position: relative;
  margin: 0;
  /* 往左出血，讓圖跨出容器邊界 */
  margin-left: calc((100vw - min(100vw - 40px, var(--container))) / -2);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.bleed-figure img { width: 100%; height: auto; display: block; }

.proof-list { display: grid; gap: 0; margin: 8px 0 30px; }
.proof-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.proof-list li:first-child { border-top: 1px solid var(--line); }
.proof-idx {
  font-size: .75rem; font-weight: 700; letter-spacing: .1em;
  color: var(--gold-600);
  font-variant-numeric: tabular-nums;
  padding-top: 4px;
}
.proof-list strong { display: block; color: var(--navy-900); margin-bottom: 4px; }
.proof-list span { font-size: .9063rem; color: var(--ink-soft); line-height: 1.75; }

/* ── 橫向流程軌 ──────────────────────────────────────────────── */

.rail {
  position: relative;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(230px, 1fr);
  gap: 0;
  /* 自己橫向捲動，不要把外層欄位撐開 */
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  padding-top: 46px;
  padding-bottom: 6px;
  scrollbar-width: thin;
}
.rail::before {
  content: "";
  position: absolute; top: 12px; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--gold-500) 0%, var(--line) 100%);
}
.rail-item {
  position: relative;
  padding: 0 26px 0 0;
  scroll-snap-align: start;
}
.rail-item::before {
  content: "";
  position: absolute; top: -40px; left: 0;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--gold-500);
}
.rail-num {
  display: block;
  font-size: .75rem; font-weight: 700; letter-spacing: .2em;
  color: var(--gold-600);
  margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
}
.rail-item h3 { font-size: 1.0625rem; margin-bottom: 8px; }
.rail-item p { font-size: .875rem; color: var(--ink-soft); line-height: 1.75; }

/* ── 案例：錯位＋引號 ────────────────────────────────────────── */

.case-stack { display: grid; gap: clamp(16px, 2vw, 24px); grid-template-columns: repeat(3, 1fr); }
.case-stack > *:nth-child(2) { margin-top: clamp(20px, 3vw, 44px); }
.case-stack > *:nth-child(3) { margin-top: clamp(40px, 6vw, 88px); }

.case-note {
  position: relative;
  display: block;
  padding: 30px 26px 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.case-note::before {
  content: "\201C";
  position: absolute; top: 4px; left: 20px;
  font-size: 3.4rem; line-height: 1;
  color: var(--gold-100);
  font-family: Georgia, serif;
}
.case-note:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.case-note .case-meta { position: relative; }
.case-note h3 {
  position: relative;
  font-size: 1.0313rem; line-height: 1.6; margin-bottom: 10px;
}
.case-note p { font-size: .875rem; color: var(--ink-soft); line-height: 1.75; }
.case-note time { display: block; margin-top: 16px; font-size: .75rem; color: var(--ink-mute); }

/* ── 地區：分欄清單，不用方格 ────────────────────────────────── */

.area-columns {
  column-count: 4;
  column-gap: clamp(20px, 3vw, 44px);
}
.area-columns li { break-inside: avoid; }
.area-columns a {
  display: flex; align-items: baseline; gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .09);
  color: #c3d0de; font-size: .9375rem;
  transition: color .18s var(--ease), padding-left .18s var(--ease);
}
.area-columns a:hover { color: var(--gold-400); padding-left: 6px; }
.area-columns .area-idx {
  font-size: .6875rem;
  color: #5f7488;
  font-variant-numeric: tabular-nums;
}

/* ── 情報：編輯式大序號列表 ──────────────────────────────────── */

.news-editorial { display: grid; }
.news-line {
  display: grid;
  grid-template-columns: 56px 108px 1fr auto;
  gap: 20px; align-items: baseline;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left .22s var(--ease);
}
.news-line:first-child { border-top: 1px solid var(--line); }
.news-line:hover { padding-left: 10px; }
.news-idx {
  font-size: .8125rem; font-weight: 700;
  color: var(--gold-600);
  font-variant-numeric: tabular-nums;
}
.news-line time { font-size: .8125rem; color: var(--ink-mute); font-variant-numeric: tabular-nums; }
.news-line h3 { font-size: 1.0313rem; font-weight: 600; line-height: 1.6; }
.news-line:hover h3 { color: var(--gold-600); }

/* ── FAQ：左標右問答 ─────────────────────────────────────────── */

.faq-editorial .faq-item { border-left: 0; border-right: 0; border-radius: 0; border-top: 0; }
.faq-editorial .faq-item:first-child { border-top: 1px solid var(--line); }
.faq-editorial .faq-item[open] { box-shadow: none; border-color: var(--line); }
.faq-editorial .faq-item[open] summary { color: var(--gold-600); }
.faq-editorial summary { padding: 20px 4px; }
.faq-editorial .faq-answer { margin: 0 4px 18px; padding: 16px 0 0; }

/* ── CTA：對角切角 ───────────────────────────────────────────── */

.cta-diagonal {
  position: relative;
  background: linear-gradient(115deg, var(--navy-900) 0%, var(--navy-700) 58%, var(--navy-800) 100%);
  color: #fff;
  padding: clamp(64px, 8vw, 108px) 0;
  overflow: hidden;
}
.cta-diagonal::before {
  content: "";
  position: absolute; top: 0; right: 0;
  width: 46%; height: 100%;
  background: radial-gradient(circle at 70% 30%, rgba(201, 162, 39, .26), transparent 62%);
}
.cta-diagonal::after {
  content: "";
  position: absolute; left: 0; right: 0; top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-500), transparent 70%);
}
.cta-inner {
  position: relative;
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
}
.cta-inner h2 {
  color: #fff;
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
  line-height: 1.3;
  letter-spacing: -.02em;
  margin-bottom: 14px;
}
.cta-inner p { color: #b9c8d7; max-width: 52ch; }
.cta-actions-v { display: grid; gap: 10px; }

/* ── 頁尾維護代管署名 ────────────────────────────────────────── */

.footer-credit a { border-bottom: 1px solid transparent; }
.footer-credit a:hover { color: var(--gold-400); border-bottom-color: currentColor; }

/* ── RWD ─────────────────────────────────────────────────────── */

@media (max-width: 1100px) {
  .stagger-grid { grid-template-columns: repeat(3, 1fr); }
  .stagger-grid > *:nth-child(4n+2),
  .stagger-grid > *:nth-child(4n+4) { margin-top: 0; }
  .stagger-grid > *:nth-child(2n) { margin-top: clamp(20px, 3vw, 40px); }
  .area-columns { column-count: 3; }
}

@media (max-width: 960px) {
  .chapter-split { grid-template-columns: 1fr; gap: 28px; }
  .chapter-rail { position: static; }
  .chapter-num { margin-bottom: 10px; }
  .chapter-note { max-width: none; }

  .hero-grid { grid-template-columns: 1fr; min-height: 0; }
  .hero-mark { display: none; }
  .banner-frame { max-height: 300px; }

  .bleed-layout { grid-template-columns: 1fr; }
  .bleed-figure {
    margin-left: 0;
    border-radius: var(--radius-lg);
  }

  .case-stack { grid-template-columns: 1fr 1fr; }
  .case-stack > * { margin-top: 0 !important; }

  .cta-inner { grid-template-columns: 1fr; }
  .area-columns { column-count: 2; }
}

@media (max-width: 400px) {
  /* 窄機（iPhone SE 等）：引言行過長會擠出容器，縮字並取消縮排 */
  .hero-quote {
    font-size: .875rem;
    padding-left: 12px;
  }
  .hero-editorial h1 { font-size: 1.85rem; }
  .trust-track { gap: 26px; }
}

@media (max-width: 640px) {
  .stagger-grid { grid-template-columns: 1fr 1fr; }
  .stagger-grid > * { margin-top: 0 !important; }
  .svc-desc { display: none; }
  .case-stack { grid-template-columns: 1fr; }
  .area-columns { column-count: 1; }
  .news-line { grid-template-columns: 40px 1fr; row-gap: 6px; }
  .news-line time { grid-column: 2; }
  .news-line h3 { grid-column: 2; }
  .news-line .post-tag { grid-column: 2; justify-self: start; }
  .figures { gap: 20px 28px; }
  .rail { grid-auto-columns: minmax(200px, 78%); }
}