/* ================================
   全站通用設定
================================= */

/* 定義網站的共用顏色變數，方便日後維護 */
:root {
  --accent: #134e19;        /* 主色（深藍色，用於按鈕、連結等） */
  --accent-dark: #134e19;   
  --accent-light: #2da19f;   
  --muted: #666;            /* 輔助文字顏色（灰色） */
  --gap: 20px;              /* 元素間距 */
  --radius: 10px;           /* 卡片圓角 */
  --card-bg: #ffffff;          /* 卡片背景色 */
  --max-width: 980px;       /* 主要容器寬度 */
}

/* 所有元素都改成 border-box，讓寬高計算包含 padding 與 border */
* {
  box-sizing: border-box;
}

/* 基本文字樣式設定 */
body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, 'Noto Sans TC', Helvetica, Arial;
  line-height: 1.5;
  margin: 0;
  color: #111;
  background: #ffffff;
}

/* ================================
   容器
================================= */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ================================
   頁首 Header
================================= */

header {
  background: linear-gradient(90deg, #fafafa, rgb(236, 236, 236));
  border-bottom: 1px solid #eee;
  padding: 12px 0;
}

header .container {
  max-width: 1500px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

header .container .title,
header .container .title a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

/* 導航列 */
nav {
  margin-left: auto;
  display: flex;
  gap: 16px;
  align-items: center;
}

nav a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
}

nav a:hover {
  color: var(--accent-dark);
}

/* ================================
   內容排版
================================= */
#home {
  padding: 30px 0;
}

#home h2 {
  font-size: 36px;
  font-size:clamp(1.5rem,2.8vw,2.4rem);
  text-align: center;
  margin: 10px 0 40px;
  letter-spacing: 1px;
  font-weight: 700;
}

#home p {
  font-size: 18px;
  line-height: 1.8;
}

#calendar h2 {
  font-size: 36px;
  font-size:clamp(1.5rem,2.8vw,2.4rem);
  text-align: center;
  margin: 80px 0 40px;
  letter-spacing: 1px;
  font-weight: 700;
}

/* ================================
   Calendar 雙欄排版（不動原有 container）
================================ */
#calendar {
  width: 100%;
  max-width: none;
  padding: 40px 0;
}

#calendar .calendar-flex {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  max-width: 1400px;
  margin: 0 auto;
  gap: 30px;
}

#calendar .calendar-flex .grid {
  flex: 0 0 48%;
  min-width: 600px;
  text-align: center;
}

#calendar .calendar-flex iframe {
  width: 100%;
  height: 600px;
  border: 0;
}

/* 響應式調整：手機改上下排列 */
@media (max-width: 1100px) {
  #calendar .calendar-flex {
    flex-direction: column;
    align-items: center;
  }
}

/* ================================
   首頁 消息
================================= */
#news {
  padding: 30px 0 90px;
}

#news h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.4rem);
  text-align: center;
  margin: 10px 0 40px;
  letter-spacing: 1px;
  font-weight: 700;
}

.news-segregator {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.news-auto,
.news-manual {
  flex: 1 1 0;
  min-width: 280px;
}

.manual-container,
.auto-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--gap);
  width: 95%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.news-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: 0 6px 10px rgba(99, 80, 52, 0.08);
  border: 1px solid rgba(23, 70, 121, 0.04);
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  transition: transform 0.2s ease;
}

.news-card h3 {
  display: flex;
  align-items: center;
  gap: 8px; /* 標籤和標題間距 */
  font-size: 1.2rem;
}

.status-tag {
  display: inline-block;
  padding: 2px 6px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 4px;
  color: #fff;
}

.status-open {
  background-color: #42b55d43; /* 綠色 = 開放報名 */
    color: #158c31;              /* 深綠色字 */
}

.status-closed {
  background-color: #df566457; /* 紅色 = 報名截止 */
    color: #9d1422;              /* 深紅色字 */
}

.news-card:hover {
  transform: translateY(-3px);
}

.meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.news-date {
  font-size: 13px;
  color: var(--muted);
}

.manual-container h3,
.auto-container h3 {
  margin: 6px 0 12px;
  font-size: 1.2rem;
  margin-bottom: 8px;
  line-height: 1.18;
}

.manual-container h3 {
  color: #111;
}

.news-auto h3 a {
  color: var(--accent);
  text-decoration: none;
}

.news-card p {
  margin: 0;
  font-size: 0.9rem;
  color: #555;
  line-height: 1.5;
}

/* ================================
   首頁 聯合師資
================================= */

.colab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap);
  width: 95%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.colab-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 14px 16px;      /* 減少空白 */
  box-shadow: 0 8px 18px rgba(106, 78, 40, 0.08);
  border: 1px solid rgba(18, 59, 102, 0.093);
  min-height: 80px;        /* 可再依內容調整 */
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  gap: 8px;                /* 讓內容間距更緊湊 */
}

.colab-card h3 {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.18;
  text-align: center;
}

.more-info {
    display: flex;                   /* 讓內部按鈕水平排列 */
    justify-content: center;
    width: 100%;              /* 讓它撐滿卡片 */
}

.buttons-split {
    display: flex;                   /* 讓內部按鈕水平排列 */
    justify-content: center;        /* 按鈕間距拉開 */
    gap: 12px;                      /* 按鈕間距 */
    background: 0 !important;
    width: 100%;
}

.buttons-split a {
  display: block;
  width: 100%;
  background-color: #e0ecd7; /* 按鈕顏色 */
  text-decoration: none;
  border-radius: 6px;
}

.colab-card:hover {
  transform: translateY(-3px);
  transition: all 0.2s ease;
}

.more-info a {
  display: block;          /* 讓底色延伸整段 */
  width: 100%;
  background: #e0ecd7;
  padding: 6px 0;          /* 上下留白，左右不用 */
  border-radius: 6px;
  font-size: 15px;
  text-align: center;
  font-weight: 600;
  color: #4c7e25;
  text-decoration: none;
}

/* ================================
    課程介紹排版
================================= */
#syllabus.container {
  max-width: 1200px; /* 原本是 980px，可依需求再加大 */
  margin: 0 auto;
  padding: 30px 0 20px;   /* 左右留白可加大一點 */
}

#syllabus h2 {
  font-size: 36px;
  font-size:clamp(1.5rem,2.8vw,2.4rem);
  text-align: center;
  margin: 10px 0 30px;
  letter-spacing: 1px;
  font-weight: 700;
}

.section-header {
  position: relative;   /* 讓子元素可以用 absolute 定位 */
  text-align: center;   /* 標題置中 */
  margin-bottom: 20px;
}

.section-header h2 {
  margin: 0;
}

.section-header .btn {
  position: absolute;
  right: 0;             /* 靠右 */
  top: 50%;             /* 垂直置中 */
  transform: translateY(-50%);
  
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 6px;
  background: #e0ecd7;
  color: #4c7e25;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease;
}

.section-header .btn:hover {
  background: #c9dfbb;
}

.intro-grid {
  display: flex;
  flex-direction: column; /* 讓地圖和特色上下排列 */
  gap: 30px;
}

.intro-items {
  display: grid;
  grid-template-columns: 1.2fr 1fr;      /* 第二行：左圖右文 */
  grid-template-rows: auto 1fr;        /* 第一行：標題，第二行：內容 */
  grid-template-areas:
    "title title"
    "pic text";
  gap: 25px;
  border-radius: 10px;
}

.intro-items h3 {
  grid-area: title;
  text-align: center;
  margin: 30px 0 8px 0;
  font-size: 30px;
  font-weight: 500;
  letter-spacing: 1px;
  display: block;          /* 讓底色延伸整段 */
  width: 100%;
  background: #e9e9e9be;
  padding: 6px 0;          /* 上下留白，左右不用 */
  border-radius: 6px;
}

.intro-pics {
  grid-area: pic;
  min-width: 130%;
  border-radius: 8px;
}

.intro-text {
  grid-area: text;
  font-size: 17px;
  color: #444;
  line-height: 1.8;
  text-align: justify;
}

/* ================================
   首頁 按鈕樣式
================================= */

.btn {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  text-decoration: none;
  transition: background 0.2s;
}

.btn:hover {
  background: var(--accent-dark);
}

/* 讓按鈕並排 */
#button-animation {
  display: flex;
  justify-content: center;
  gap: 50px;
  margin-top: 20px;
}

.btn a {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  color: #9a6106 !important;
  text-decoration: none;
  font-size: 25px;
}

/* 文字固定顯示 */
.btn a .text {
  position: relative;
}

/* 文字底線動畫 */
.btn a .text::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  height: 2px;
  width: 0;
  background: #9a6106 !important; 
  transition: width 0.4s ease;
}

/* 箭頭區域 */
.arrow-wrapper {
  position: relative;
  width: 40px;
  height: 40px;
}

/* SVG 圈圈填滿 */
.circle-svg {
  width: 100%;
  height: 100%;
}

/* 箭頭絕對置中 */
.arrow {
  position: absolute;
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%) translateX(-10px); /* 初始左移10px */
  font-size: 25px;
  opacity: 0;
  transition: all 0.4s ease 0.6s; /* 延遲，等圓圈畫完 */ 
}

.btn a:hover .arrow {
  transform: translate(-50%, -50%) translateX(0);
  opacity: 1;
}


/* hover 顯示箭頭 */
.btn a:hover .arrow {
  transform: translate(-50%, -50%) translateX(0);
  opacity: 1;
}


/* SVG 圈圈設定 */
.circle-svg circle {
  stroke-dasharray: 113; /* 2πr ≈ 2*3.1416*18 */
  stroke-dashoffset: 113;
  transition: stroke-dashoffset 0.6s linear;
}

/* hover 效果 */
.btn a:hover .circle-svg circle {
  stroke-dashoffset: 0; /* 畫出圈 */
}

.btn a:hover .text::after {
  width: 100%; /* 底線展開 */
}


/* ================================
   報名
================================= */

#registration.container {
  max-width: 1100px; /* 原本是 980px，可依需求再加大 */
  margin: 0 auto;
  padding: 30px 0 20px;   /* 左右留白可加大一點 */
}

#registration h2 {
  font-size: 36px;
  font-size:clamp(1.5rem,2.8vw,2.4rem);
  text-align: center;
  margin: 10px 0 30px;
  letter-spacing: 1px;
  font-weight: 700;
}

.form-flex {
  display: flex;
  gap: 40px;
  margin-top: 24px;
  justify-content: center;
}

.beclass-form,
.form_pretest {
  flex: 1 1 0;
  min-width: 280px;
}

.beclass-form iframe,
.form_pretest iframe {
  width: 100%;
  border-radius: 8px;
  border: 1px solid #eee;
}

.form-reminder ul {
  list-style-position: inside;
  align-items: center;
  max-width: 800px;
  margin: 0 auto 20px;
  padding: 12px 16px;
  background: #fff6eabe;
  border-radius: 8px;
  font-size: 15px;
  color: #593700;
  line-height: 1.8;
}

/* ================================
    活動成果
================================= */

#list {
  padding: 30px 0;
}

#list h2 {
  font-size: 36px;
  font-size:clamp(1.5rem,2.8vw,2.4rem);
  text-align: center;
  margin: 10px 0 20px;
  letter-spacing: 1px;
  font-weight: 700;
}


/* ================================
   頁尾 Footer
================================= */

footer {
  padding: 24px 0;
  color: var(--muted);
  font-size: 14px;
  border-top: 1px solid #f0f0f0;
  background: #fff;
}

footer .container {
  max-width: 1300px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 16px;
}

/* ================================
   LINE 群組通知按鈕
================================= */
#lineQRPopup {
  position: fixed;
  top: 20px;
  right: 20px;
  background: #fff;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
  border-radius: 10px;
  padding: 15px;
  text-align: center;
  width: 250px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-20px);
  transition: all 0.5s ease;
  z-index: 9999;
}
#lineQRPopup.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
#lineQRPopup img {
  width: 100%;
  border-radius: 8px;
}
#lineQRPopup button {
  margin-top: 8px;
  background: #4caf50;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 5px 10px;
  cursor: pointer;
}
#lineQRPopup h4 {
  margin: 0 0 8px 0;
  font-size: 15px;
}

/* ================================
   RWD 響應式設計
================================= */

/* 螢幕寬度 >= 800px 時，Hero 區塊橫向排列 */
@media (min-width: 800px) {
  .hero {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}