:root {
    --primary-bg: #2c2c2c;
    --primary-color: #fff;
    --highlight-color: #C76675;
    --btn-hover-color: #ffffff;
    --line-green: #C76675;
    --line-green-hover: #ffffff;
    --font-family: '微軟正黑體', sans-serif;
    --container-width: 100%;
    --container-max-width: 1200px;
    --menu-gap: 50px;
    --logo-height: 50px;
    --content-padding: 50px;
}

/* --------------- 頂部選單區 --------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--primary-bg);
    padding: 15px 0;
    z-index: 1000;
}

.nav-container {
    height: 70px;
    margin: 0 auto;
    padding: 0 10px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo, .logo-hide {
    font-size: 2em;
    font-weight: bold;
    text-decoration: none;
    color: #ffffff;
}

.nav-links {
    display: flex;
    gap: 400px;
    align-items: center;
}

.link-left,
.link-right,
.nav-links-hide {
    display: flex;
    gap: 30px;
}

.link-left a, 
.link-right a {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    position: relative;
    padding: 5px 0;
    font-size: 18px;
}

.nav-links-hide a {
    text-decoration: none;
    color: #1f1f1f;
    font-weight: 600;
    position: relative;
    padding: 5px 0;
    font-size: 18px;
}

.link-left a::after,
.link-right a::after,
.nav-links-hide a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.link-left a:hover::after,
.link-right a:hover::after,
.nav-links-hide a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.link-left a:hover,
.link-right a:hover,
.nav-links-hide a:hover {
    transition: color 0.3s ease-in-out;
}

.menu-button {
    display: none;
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    padding: 5px;
    transition: transform 0.3s ease;
    color: #fff;
}

.menu-button:hover {
    transform: scale(1.1);
}

.logo-hide, .nav-links-hide {
    display: none;
}

/* 調整主要內容區域，為固定導航欄留出空間 */
.latest-posts {
    margin-top: 120px;
}

.line-btn a {
    display: inline-block;
    background-color: var(--line-green);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
    padding: 10px 20px;
    border-radius: 30px;
    transition: background-color 0.3s;
    font-size: 16px;
}

.line-btn a:hover {
    background-color: var(--line-green-hover);
    color: var(--line-green);
}

/* 響應式設計 */
@media screen and (min-width: 1048px) and (max-width: 1565px) {
    .nav-container {
      width: clamp(1100px, 9vw, 1400px);
    }
    .nav-links {
        gap: clamp(20px, 10vw, 150px);
    }
}
@media (max-width: 1048px) {
    .nav-container {
        justify-content: center;
        padding: 0 40px;
        gap: 90px;
    }

    .menu-button,
    .logo-hide {
        display: block;
    }

    .menu-button {
        position: absolute;
        right: 50px;
        z-index: 1001;
    }

    .logo-hide {
        position: absolute;
        left: 50px;
        z-index: 1000;
    }

    .nav-links {
        display: none;
    }

    .nav-links-hide {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }

    .nav-links-hide.active {
        max-height: 700px;
        padding: 20px;
    }

    .nav-links-hide a {
        padding: 15px 20px;
        display: block;
        transform: translateY(-20px);
        opacity: 0;
        transition: all 0.3s ease-in-out;
    }

    .nav-links-hide.active a {
        transform: translateY(0);
        opacity: 1;
    }

    /* 為每個連結添加延遲動畫 */
    .nav-links-hide a:nth-child(1) { transition-delay: 0.1s; }
    .nav-links-hide a:nth-child(2) { transition-delay: 0.2s; }
    .nav-links-hide a:nth-child(3) { transition-delay: 0.3s; }
    .nav-links-hide a:nth-child(4) { transition-delay: 0.4s; }
    .nav-links-hide a:nth-child(5) { transition-delay: 0.5s; }
    .nav-links-hide a:nth-child(6) { transition-delay: 0.6s; }
    .nav-links-hide a:nth-child(7) { transition-delay: 0.7s; }
    .nav-links-hide a:nth-child(8) { transition-delay: 0.8s; }
    .nav-links-hide a:nth-child(9) { transition-delay: 0.9s; }
}

@media (max-width: 400px) {
  .nav-container {
    justify-content: center;
    padding: 0 10px;
    gap: 90px;
    }
  .logo-hide {
    font-size: 1.7em;
  }
}

/* ====== Footer ====== */
:root{
  --footer-bg:#446747;     /* 深綠 */
  --footer-ink:#f6f6f3;    /* 文字白 */
  --footer-ink-2:#dfe7dd;  /* 次要白 */
  --footer-divider:rgba(255,255,255,.55);
}

/* ====== Footer 基本樣式（流體化） ====== */
.site-footer{
  position: relative;
  background:var(--footer-bg);
  color:var(--footer-ink);
  font-family:"Noto Sans TC",system-ui,-apple-system,"Microsoft JhengHei",sans-serif;
}
.site-footer a{ color:inherit; text-decoration:none; }
.site-footer .footer__inner{
  width:min(1500px,92vw);
  margin:0 auto;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap: clamp(16px, 3vw, 28px);
  /* 以最小高度替代固定高度，避免手機過高 */
  min-height: clamp(260px, 32vh, 520px);
  padding: clamp(20px, 4vw, 48px) 0;
}

/* ------------ Top row ------------ */
.footer__top{
  display:grid;
  grid-template-columns: auto 1fr auto;      /* 左 logo / 中 nav / 右 social */
  align-items:center;
  gap: clamp(12px, 2.4vw, 24px);
}
.footer__logo{
  font-weight: 900;
  font-size: clamp(22px, 2.6vw, 42px);
  letter-spacing: .02em;
  white-space: nowrap;
}

/* 中間主導覽（以圓點分隔） */
.footer__nav{
  justify-self:center;
  display:flex;
  align-items:center;
  gap: clamp(14px, 3vw, 36px);
  font-size: clamp(14px, 1.4vw, 20px);
  flex-wrap: wrap;                           /* 大多數情況可自動換行 */
}
.footer__nav a{
  position:relative;
  opacity:.95;
  line-height: 1.1;
  padding: 6px 0;                            /* 提升點擊熱區 */
}
.footer__nav a + a::before{
  content:"•";
  position:relative;
  margin-right: clamp(14px, 3vw, 36px);
  color:var(--footer-ink-2);
}

/* 右側社群 */
.footer__social{
  display:flex;
}
.footer__social .ico{
  color: var(--footer-ink-2);
  display:inline-flex;
  align-items:center; justify-content:center;
  width: clamp(36px, 3.6vw, 44px);
  height: clamp(36px, 3.6vw, 44px);
  border-radius: 8px;
  transition: transform .2s ease, color .2s ease, background-color .2s ease;
}
.footer__social .ico:hover,
.footer__social .ico:focus{
  transform: translateY(-1px);
  color: var(--footer-ink);
  background-color: rgba(255,255,255,.08);
  outline: none;
}

/* 中間髮絲線 */
.footer__rule{
  border:0;
  border-top: 1px solid var(--footer-divider);
  margin: clamp(12px, 2vw, 18px) 0 clamp(8px, 1.6vw, 16px);
  opacity:.8;
}

/* ------------ Bottom row ------------ */
.footer__bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: clamp(12px, 2.4vw, 24px);
}
.footer__handle{
  color: var(--footer-ink-2);
  letter-spacing:.2em;
  font-size: clamp(12px, 1.2vw, 18px);
  white-space: nowrap;
}

/* 右側次導覽（以直線分隔） */
.footer__subnav{
  display:flex; align-items:center;
  gap: clamp(14px, 3vw, 36px);
  font-size: clamp(13px, 1.3vw, 18px);
  flex-wrap: wrap;
}
.footer__subnav a{
  color: var(--footer-ink);
  opacity:.95;
  padding: 6px 0;                              /* 提升點擊熱區 */
}
.footer__subnav a + a{
  position:relative;
}
.footer__subnav a + a::before{
  content:"";
  position:absolute;
  left: calc(-1 * (clamp(14px, 3vw, 36px) / 2 + 8px));
  top:50%;
  width:1px; height:20px;
  background: var(--footer-ink-2);
  transform: translateY(-50%);
  opacity:.9;
}

/* ====== 響應式調整 ====== */

/* 平板：稍微縮小欄寬、避免擠壓 */
@media (max-width: 1024px){
  .footer__top{
    grid-template-columns: 1fr;               /* 改為單欄：logo/nav/social 依序垂直 */
    row-gap: clamp(10px, 2vw, 16px);
    text-align: center;
  }
  .footer__nav{
    justify-content: center;
  }
  .footer__social{
    justify-content: center;
  }
}

/* 手機：導覽改為可橫向捲動的膠囊列，提升可用性 */
@media (max-width: 640px){
  .footer__nav{
    flex-wrap: nowrap;                         /* 不換行，改橫向捲動 */
    overflow-x: auto;
    gap: clamp(10px, 3.6vw, 18px);
    padding: 4px 0;
    flex-direction: column;
    overflow: hidden;
  }
  .footer__nav a{
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 999px;
    padding: 8px 14px;
    scroll-snap-align: start;
  }
  .footer__nav a + a::before{ display: none; } /* 小螢幕移除圓點分隔 */

  .footer__bottom{
    flex-direction: column;
    text-align: center;
  }
  .footer__subnav{
    justify-content: center;
  }
  .footer__subnav a + a::before{
    height: 16px;                               /* 分隔線短一點 */
  }
}

/* 減少動效（無障礙） */
@media (prefers-reduced-motion: reduce){
  .footer__social .ico{ transition: none; }
}