/* ===== CSS 變數 ===== */
:root {
  --primary: #1a1a2e;
  --accent: #c9a84c;
  --accent-hover: #e0b84f;
  --accent-yellow: #f5c842;
  --bg-body: #faf8f3;
  --bg-card: #ffffff;
  --bg-nav: rgba(250,248,243,0.97);
  --bg-section-alt: #f4f0e8;
  --text-main: #1a1a1a;
  --text-sub: #4a4a4a;
  --text-muted: #888880;
  --text-yellow: #c9a84c;
  --border-color: #e2ddd4;
  --border-accent: rgba(201,168,76,0.4);
  --shadow-sm: 0 2px 12px rgba(26,26,26,0.06);
  --shadow-md: 0 8px 32px rgba(26,26,26,0.1);
  --shadow-hover: 0 16px 48px rgba(26,26,26,0.14);
  --grad-gold: linear-gradient(135deg, #c9a84c, #e8c96a);
  --grad-hero: linear-gradient(160deg, #faf8f3 0%, #f0ebdf 100%);
  --radius: 16px;
  --radius-sm: 8px;
  --radius-pill: 50px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --font-main: 'Noto Serif TC', 'Georgia', serif;
  --font-sans: 'Noto Sans TC', 'Inter', sans-serif;
}

/* ===== 重置 ===== */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; }
body { background:var(--bg-body); color:var(--text-main); font-family:var(--font-sans); min-height:100vh; overflow-x:hidden; }
a { color:var(--primary); text-decoration:none; transition:var(--transition); }
a:hover { color:var(--accent); }
::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-track { background:#f0ebe0; }
::-webkit-scrollbar-thumb { background:var(--accent); border-radius:3px; }

/* ===== 精緻花紋背景 ===== */
body::before { content:''; position:fixed; inset:0; background-image: radial-gradient(circle at 1px 1px, rgba(201,168,76,0.12) 1px, transparent 0); background-size:32px 32px; pointer-events:none; z-index:0; }
body > * { position:relative; z-index:1; }

/* ===== 導覽列 ===== */
#main-navbar { background:var(--bg-nav); backdrop-filter:blur(16px); border-bottom:2px solid var(--border-accent); padding:14px 0; position:sticky; top:0; z-index:1000; box-shadow:var(--shadow-sm); }
.navbar-brand { font-family:var(--font-main); font-size:1.5rem; font-weight:900; letter-spacing:2px; color:var(--primary) !important; }
.brand-open { color:var(--primary); }
.brand-claw { color:var(--accent); }
.brand-wall { color:var(--accent-yellow); font-size:1rem; font-weight:700; margin-left:6px; letter-spacing:1px; background:var(--grad-gold); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.nav-link-custom { color:var(--text-sub) !important; font-size:.9rem; font-weight:500; padding:6px 16px !important; border-radius:var(--radius-pill); transition:var(--transition); font-family:var(--font-sans); }
.nav-link-custom:hover,.nav-link-custom.active { color:var(--accent) !important; background:rgba(201,168,76,0.1); }
.navbar-toggler { border:1px solid var(--border-accent); border-radius:var(--radius-sm); }
.navbar-toggler-icon { background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(201,168,76,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }
/* 投稿按鈕特殊樣式 */
.nav-btn-submit { background:var(--grad-gold); border:none; border-radius:var(--radius-pill); padding:7px 20px !important; color:#fff !important; font-weight:600; box-shadow:0 2px 12px rgba(201,168,76,0.3); }
.nav-btn-submit:hover { opacity:.88; transform:translateY(-1px); }

/* ===== 首頁大圖輪播樣式 ===== */
#home-carousel { position:relative; overflow:hidden; background:var(--primary); }
.carousel-img-container { position:relative; height:500px; width:100%; }
.carousel-img-container img { width:100%; height:100%; object-fit:cover; }
.carousel-overlay { position:absolute; inset:0; background:linear-gradient(to bottom, rgba(26,26,46,0.2) 0%, rgba(26,26,46,0.6) 100%); pointer-events:none; }
.carousel-caption { bottom:40px; text-shadow:0 2px 10px rgba(0,0,0,0.5); z-index:10; }
.carousel-caption h5 { font-family:var(--font-main); font-size:2rem; font-weight:800; color:#fff; margin-bottom:12px; }
.carousel-caption p { font-size:1.1rem; color:rgba(255,255,255,0.9); }
.carousel-indicators [data-bs-target] { width:12px; height:12px; border-radius:50%; margin:0 6px; background-color:var(--accent); opacity:0.5; }
.carousel-indicators .active { opacity:1; background-color:var(--accent-yellow); }

/* ===== Hero (配合輪播微調) ===== */
#hero { background:var(--grad-hero); padding:60px 0 70px; position:relative; overflow:hidden; border-bottom:1px solid var(--border-color); }
#hero.hero-with-carousel { padding-top:40px; border-top:none; background:var(--bg-body); }
/* 角落裝飾花紋 */
#hero::after { content:''; position:absolute; right:-60px; top:-60px; width:380px; height:380px; background:radial-gradient(circle, rgba(201,168,76,0.12) 0%, transparent 65%); border-radius:50%; pointer-events:none; }
.hero-eyebrow { display:inline-flex; align-items:center; gap:8px; background:rgba(201,168,76,0.12); border:1px solid var(--border-accent); border-radius:var(--radius-pill); padding:6px 18px; font-size:.8rem; color:var(--accent); font-weight:600; margin-bottom:22px; letter-spacing:.5px; font-family:var(--font-sans); }
.hero-title { font-family:var(--font-main); font-size:clamp(2rem,5vw,3.6rem); font-weight:900; line-height:1.15; color:var(--primary); margin-bottom:8px; }
.hero-title-sub { font-family:var(--font-main); font-size:clamp(1.5rem,3.5vw,2.4rem); font-weight:700; color:var(--text-sub); margin-bottom:22px; line-height:1.3; }
/* 亮黃字 */
.text-gold { background:var(--grad-gold); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.text-yellow-bright { color:var(--accent-yellow); font-weight:900; }
.hero-subtitle { font-size:1rem; color:var(--text-sub); max-width:580px; line-height:1.75; margin-bottom:36px; }
.hero-stats { display:flex; gap:36px; flex-wrap:wrap; margin-bottom:40px; }
.stat-item { text-align:center; }
.stat-num { font-size:2rem; font-weight:900; color:var(--accent); display:block; font-family:var(--font-main); }
.stat-label { font-size:.78rem; color:var(--text-muted); font-weight:500; letter-spacing:.5px; }
.hero-search { display:flex; max-width:540px; background:#fff; border:2px solid var(--border-color); border-radius:var(--radius-pill); overflow:hidden; transition:var(--transition); box-shadow:var(--shadow-sm); }
.hero-search:focus-within { border-color:var(--accent); box-shadow:0 0 0 4px rgba(201,168,76,0.15); }
#search-input { flex:1; background:transparent; border:none; outline:none; padding:13px 20px; color:var(--text-main); font-size:.95rem; font-family:var(--font-sans); }
#search-input::placeholder { color:var(--text-muted); }
#search-btn { background:var(--grad-gold); border:none; padding:13px 22px; color:#fff; cursor:pointer; transition:var(--transition); font-size:1rem; }
#search-btn:hover { opacity:.88; }
/* 右側裝飾 */
.hero-deco { position:relative; display:flex; justify-content:center; align-items:center; min-height:300px; }
.deco-frame { width:270px; height:270px; border:2px solid var(--border-accent); border-radius:50%; display:flex; align-items:center; justify-content:center; position:relative; }
.deco-frame::before { content:''; position:absolute; width:230px; height:230px; border:1px dashed rgba(201,168,76,0.3); border-radius:50%; animation:spin 30s linear infinite; }
.deco-inner { font-size:5rem; animation:float 4s ease-in-out infinite; filter:drop-shadow(0 8px 24px rgba(201,168,76,0.3)); }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-14px)} }
@keyframes spin { from{transform:rotate(0deg)} to{transform:rotate(360deg)} }

/* ===== 篩選列 ===== */
#filter-section { padding:28px 0 18px; background:var(--bg-section-alt); border-bottom:1px solid var(--border-color); position:sticky; top:65px; z-index:900; }
.filter-wrapper { display:flex; gap:10px; flex-wrap:wrap; justify-content:center; }
.filter-btn { display:inline-flex; align-items:center; gap:6px; background:#fff; border:1.5px solid var(--border-color); border-radius:var(--radius-pill); padding:8px 20px; color:var(--text-sub); font-size:.85rem; font-weight:500; cursor:pointer; transition:var(--transition); white-space:nowrap; font-family:var(--font-sans); box-shadow:var(--shadow-sm); }
.filter-btn:hover { border-color:var(--accent); color:var(--accent); background:#fff; box-shadow:0 4px 16px rgba(201,168,76,0.2); }
.filter-btn.active { background:var(--grad-gold); border-color:transparent; color:#fff; box-shadow:0 4px 20px rgba(201,168,76,0.35); font-weight:600; }
.filter-count { background:rgba(0,0,0,0.12); border-radius:20px; padding:1px 8px; font-size:.73rem; }
.filter-btn.active .filter-count { background:rgba(255,255,255,0.3); }

/* ===== 卡片牆 ===== */
#cards-section { padding:56px 0 90px; }
.section-header { margin-bottom:44px; text-align:center; }
.section-title { font-family:var(--font-main); font-size:1.8rem; font-weight:800; color:var(--primary); margin-bottom:10px; }
.section-title .accent-line { display:block; width:60px; height:3px; background:var(--grad-gold); border-radius:2px; margin:12px auto 0; }
.section-desc { color:var(--text-muted); font-size:.95rem; }
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(340px,1fr)); gap:28px; }

/* ===== 文章卡片 ===== */
.article-card { background:var(--bg-card); border:1.5px solid var(--border-color); border-radius:var(--radius); overflow:hidden; transition:var(--transition); display:flex; flex-direction:column; animation:cardIn .5s ease both; box-shadow:var(--shadow-sm); }
.article-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-hover); border-color:var(--border-accent); }
@keyframes cardIn { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:translateY(0)} }
.card-img-wrap { position:relative; height:180px; overflow:hidden; background:linear-gradient(135deg,#f4f0e8,#ede8da); }
.card-img-placeholder { width:100%; height:100%; display:flex; align-items:center; justify-content:center; font-size:3.2rem; background:linear-gradient(135deg,#f9f6ef 0%,#ede6d4 100%); }
/* 精緻花紋 card header */
.card-img-wrap::before { content:''; position:absolute; inset:0; background-image:radial-gradient(circle at 1px 1px,rgba(201,168,76,0.15) 1px,transparent 0); background-size:20px 20px; }
.card-category-badge { position:absolute; top:12px; left:12px; background:#fff; border:1px solid var(--border-accent); border-radius:var(--radius-pill); padding:4px 12px; font-size:.73rem; color:var(--accent); font-weight:600; display:flex; align-items:center; gap:5px; }
.card-body-area { padding:22px; flex:1; display:flex; flex-direction:column; }
.card-tags { display:flex; gap:6px; flex-wrap:wrap; margin-bottom:12px; }
.card-tag { background:rgba(201,168,76,0.08); border:1px solid rgba(201,168,76,0.3); border-radius:var(--radius-pill); padding:2px 10px; font-size:.72rem; color:var(--accent); font-weight:500; }
.card-title { font-family:var(--font-main); font-size:1.05rem; font-weight:700; color:var(--text-main); margin-bottom:10px; line-height:1.45; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.card-excerpt { font-size:.88rem; color:var(--text-sub); line-height:1.7; flex:1; display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; margin-bottom:18px; }
.card-footer-bar { display:flex; align-items:center; justify-content:space-between; margin-top:auto; padding-top:14px; border-top:1px solid var(--border-color); }
.card-meta { display:flex; align-items:center; gap:12px; }
.card-date,.card-comment-count { font-size:.78rem; color:var(--text-muted); display:flex; align-items:center; gap:4px; }
.card-read-btn { background:var(--grad-gold); border:none; border-radius:var(--radius-pill); padding:7px 18px; color:#fff; font-size:.82rem; font-weight:600; cursor:pointer; transition:var(--transition); box-shadow:0 2px 10px rgba(201,168,76,0.3); text-decoration:none; display:inline-flex; align-items:center; gap:5px; }
.card-read-btn:hover { opacity:.88; transform:scale(1.04); color:#fff; }
#no-results { display:none; text-align:center; padding:80px 20px; }
#no-results i { font-size:3.5rem; color:var(--border-color); margin-bottom:16px; display:block; }
#no-results p { color:var(--text-muted); font-size:1rem; }

/* ===== 關於 & 投稿區塊 ===== */
.info-section { padding:80px 0; border-top:1px solid var(--border-color); }
.info-section.alt-bg { background:var(--bg-section-alt); }
.info-card { background:#fff; border:1.5px solid var(--border-color); border-radius:var(--radius); padding:28px; box-shadow:var(--shadow-sm); height:100%; }
.info-card:hover { box-shadow:var(--shadow-md); border-color:var(--border-accent); }
.info-icon { font-size:2.2rem; margin-bottom:14px; }
.info-card h3 { font-family:var(--font-main); font-size:1rem; font-weight:700; margin-bottom:8px; color:var(--primary); }
.info-card p { color:var(--text-sub); font-size:.88rem; line-height:1.7; }
.submit-link { display:inline-flex; align-items:center; gap:8px; background:#fff; border:1.5px solid var(--border-accent); border-radius:var(--radius-pill); padding:10px 22px; color:var(--accent); font-size:.9rem; font-weight:600; transition:var(--transition); box-shadow:var(--shadow-sm); }
.submit-link:hover { background:var(--grad-gold); color:#fff; border-color:transparent; box-shadow:0 4px 16px rgba(201,168,76,0.3); }

/* ===== 回到頂部 ===== */
#back-to-top { position:fixed; bottom:30px; right:30px; width:46px; height:46px; background:var(--grad-gold); border:none; border-radius:50%; color:#fff; font-size:1rem; cursor:pointer; display:none; align-items:center; justify-content:center; z-index:999; transition:var(--transition); box-shadow:0 4px 20px rgba(201,168,76,0.4); }
#back-to-top:hover { transform:translateY(-4px); }
#back-to-top.show { display:flex; }

/* ===== Footer ===== */
#main-footer { background:#1a1a2e; border-top:3px solid var(--accent); padding:56px 0 30px; }
.footer-logo { font-family:var(--font-main); font-size:1.5rem; font-weight:900; margin-bottom:12px; }
.footer-logo .brand-open { color:#fff; }
.footer-logo .brand-claw { color:var(--accent); }
.footer-desc { color:rgba(255,255,255,0.55); font-size:.88rem; line-height:1.7; max-width:280px; }
.footer-title { font-size:.85rem; font-weight:700; color:#fff; margin-bottom:16px; text-transform:uppercase; letter-spacing:1.5px; }
.footer-links { list-style:none; padding:0; }
.footer-links li { margin-bottom:8px; }
.footer-links a { color:rgba(255,255,255,0.5); font-size:.88rem; transition:var(--transition); }
.footer-links a:hover { color:var(--accent); padding-left:4px; }
.footer-social { display:flex; gap:10px; }
.social-btn { width:38px; height:38px; background:rgba(255,255,255,0.07); border:1px solid rgba(255,255,255,0.15); border-radius:50%; display:flex; align-items:center; justify-content:center; color:rgba(255,255,255,0.5); transition:var(--transition); font-size:.9rem; }
.social-btn:hover { background:rgba(201,168,76,0.2); border-color:var(--accent); color:var(--accent); }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.1); padding-top:22px; margin-top:40px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; }
.footer-copy,.footer-made { color:rgba(255,255,255,0.35); font-size:.8rem; }
.footer-made i { color:var(--accent); }

/* ===== 感謝/Toast ===== */
.toast-wrap { position:fixed; bottom:88px; right:30px; z-index:1100; display:flex; flex-direction:column; gap:10px; }
.toast-msg { background:#fff; border:1.5px solid var(--border-color); border-radius:var(--radius-sm); padding:12px 20px; color:var(--text-main); font-size:.88rem; box-shadow:var(--shadow-md); animation:slideInRight .3s ease; display:flex; align-items:center; gap:10px; }
.toast-msg.success { border-left:3px solid #2ecc71; }
.toast-msg.error { border-left:3px solid #e74c3c; }
@keyframes slideInRight { from{opacity:0;transform:translateX(30px)} to{opacity:1;transform:translateX(0)} }

/* ===================================================
   ===== 文章單頁 (article.php) 樣式 =====
   =================================================== */
.article-page { padding:60px 0 100px; }
.article-breadcrumb { display:flex; align-items:center; gap:8px; color:var(--text-muted); font-size:.85rem; margin-bottom:36px; flex-wrap:wrap; }
.article-breadcrumb a { color:var(--text-muted); }
.article-breadcrumb a:hover { color:var(--accent); }
.article-breadcrumb i { font-size:.7rem; }
.article-hero-box { background:#fff; border:1.5px solid var(--border-color); border-radius:var(--radius); overflow:hidden; margin-bottom:40px; box-shadow:var(--shadow-md); }
.article-cover { width:100%; height:280px; display:flex; align-items:center; justify-content:center; font-size:6rem; background:linear-gradient(135deg,#f9f6ef,#ede6d4); position:relative; }
.article-cover::before { content:''; position:absolute; inset:0; background-image:radial-gradient(circle at 1px 1px,rgba(201,168,76,0.18) 1px,transparent 0); background-size:22px 22px; }
.article-cover-emoji { position:relative; z-index:1; filter:drop-shadow(0 8px 20px rgba(201,168,76,0.3)); }
.article-info-box { padding:32px 36px; }
.article-meta-bar { display:flex; gap:18px; align-items:center; color:var(--text-muted); font-size:.85rem; margin-bottom:16px; flex-wrap:wrap; }
.article-tags { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:18px; }
.article-tag { background:rgba(201,168,76,0.08); border:1px solid rgba(201,168,76,0.3); border-radius:var(--radius-pill); padding:3px 14px; font-size:.78rem; color:var(--accent); font-weight:500; }
.article-main-title { font-family:var(--font-main); font-size:clamp(1.4rem,3vw,2rem); font-weight:900; color:var(--primary); line-height:1.4; }
/* 文章內文 */
.article-content { background:#fff; border:1.5px solid var(--border-color); border-radius:var(--radius); padding:40px 44px; box-shadow:var(--shadow-sm); margin-bottom:40px; line-height:1.9; color:var(--text-sub); font-size:1rem; }
.article-content p { margin-bottom:18px; }
.article-content ul { padding-left:22px; margin-bottom:18px; }
.article-content li { margin-bottom:8px; }
.article-content strong { color:var(--primary); font-weight:700; }
.article-content h3 { font-family:var(--font-main); color:var(--primary); font-size:1.15rem; font-weight:700; margin:28px 0 12px; padding-left:12px; border-left:3px solid var(--accent); }
.article-source-link { display:inline-flex; align-items:center; gap:8px; background:var(--grad-gold); border-radius:var(--radius-pill); padding:10px 22px; color:#fff; font-size:.9rem; font-weight:600; transition:var(--transition); margin-top:8px; box-shadow:0 2px 12px rgba(201,168,76,0.3); }
.article-source-link:hover { opacity:.88; color:#fff; }
/* 留言區（文章頁） */
.comment-section { background:#fff; border:1.5px solid var(--border-color); border-radius:var(--radius); padding:36px 40px; box-shadow:var(--shadow-sm); }
.comment-section-title { font-family:var(--font-main); font-size:1.15rem; font-weight:800; color:var(--primary); margin-bottom:24px; display:flex; align-items:center; gap:10px; }
.comment-form { background:var(--bg-section-alt); border:1.5px solid var(--border-color); border-radius:var(--radius-sm); padding:20px; margin-bottom:28px; }
.comment-input-row { display:flex; gap:12px; margin-bottom:12px; }
.comment-name-input { flex:1; background:#fff; border:1.5px solid var(--border-color); border-radius:var(--radius-sm); padding:10px 16px; color:var(--text-main); font-size:.9rem; outline:none; transition:var(--transition); font-family:var(--font-sans); }
.comment-name-input:focus { border-color:var(--accent); box-shadow:0 0 0 3px rgba(201,168,76,0.12); }
.comment-textarea { width:100%; background:#fff; border:1.5px solid var(--border-color); border-radius:var(--radius-sm); padding:12px 16px; color:var(--text-main); font-size:.9rem; resize:vertical; min-height:90px; outline:none; transition:var(--transition); font-family:var(--font-sans); }
.comment-textarea:focus { border-color:var(--accent); box-shadow:0 0 0 3px rgba(201,168,76,0.12); }
.comment-textarea::placeholder,.comment-name-input::placeholder { color:var(--text-muted); }
.comment-submit-btn { background:var(--grad-gold); border:none; border-radius:var(--radius-pill); padding:9px 24px; color:#fff; font-size:.9rem; font-weight:600; cursor:pointer; transition:var(--transition); float:right; margin-top:10px; box-shadow:0 2px 10px rgba(201,168,76,0.3); }
.comment-submit-btn:hover { opacity:.88; }
.comment-list { display:flex; flex-direction:column; gap:14px; clear:both; margin-top:16px; }
.comment-item { background:var(--bg-section-alt); border:1px solid var(--border-color); border-radius:var(--radius-sm); padding:16px 18px; }
.comment-header { display:flex; align-items:center; gap:10px; margin-bottom:8px; }
.comment-avatar { width:36px; height:36px; background:var(--grad-gold); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:.88rem; font-weight:700; color:#fff; flex-shrink:0; }
.comment-author { font-size:.9rem; font-weight:700; color:var(--primary); }
.comment-time { font-size:.75rem; color:var(--text-muted); margin-left:auto; }
.comment-text { font-size:.9rem; color:var(--text-sub); line-height:1.65; }
.comment-empty { text-align:center; color:var(--text-muted); font-size:.9rem; padding:24px 0; }
/* 返回按鈕 */
.btn-back { display:inline-flex; align-items:center; gap:8px; background:#fff; border:1.5px solid var(--border-color); border-radius:var(--radius-pill); padding:9px 22px; color:var(--text-sub); font-size:.88rem; font-weight:600; transition:var(--transition); box-shadow:var(--shadow-sm); }
.btn-back:hover { border-color:var(--accent); color:var(--accent); box-shadow:0 4px 16px rgba(201,168,76,0.2); }

/* ===== 響應式 ===== */
@media (max-width:768px) {
  #hero { padding:60px 0 50px; }
  .hero-deco { display:none; }
  .hero-stats { gap:22px; }
  .cards-grid { grid-template-columns:1fr; }
  #filter-section { top:57px; }
  .filter-wrapper { justify-content:flex-start; overflow-x:auto; flex-wrap:nowrap; padding-bottom:8px; }
  .article-info-box { padding:20px; }
  .article-content { padding:24px 20px; }
  .comment-section { padding:24px 20px; }
  .comment-input-row { flex-direction:column; }
  .footer-bottom { justify-content:center; text-align:center; }
}
@media (max-width:480px) {
  .hero-title { font-size:1.8rem; }
}