@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@100..900&display=swap');

:root {
    --primary: #ffcc00;
    --yellow: #ffcc00;
    --light-yellow: #fceea7;
    --dark-yellow: #4e492b;
    --black: #1a1a1a;
    --deep-black: #0a0a0a;
    --gray: #f4f4f4;
    --text-color: #333;
    --accent: #FFD700;
    --text: #1a1a1a;
    --card-bg: #1a1a1a;
    --bg-alt: #fcfaf2;
    --text-main: #333;
    --text-muted: #888;
    --surface: #fffdf7;
    --surface-soft: #fff9e8;
}

/* 1. 先處理 body 和全域，確保沒人亂給外距 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


html,
body {
    background-color: var(--deep-black);
    color: #eeeeee;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

body {
    font-family: 'Noto Sans TC', system-ui, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

header {
    width: 100%;
    height: 100vh;
    min-height: 100dvh;
    background-image: url('img/header.jpg');
    background-position: center center;
    background-repeat: no-repeat;
    background-size: 108%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    position: relative;
}

/* 導覽列 */
nav {
    background-color: var(--black);
    padding: 0.8rem;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 24px;
}

nav a {
    color: var(--yellow);
    text-decoration: none;
    font-size: 0.95rem;
    letter-spacing: 1px;
}


nav a:hover {
    color: white;
}

#particles {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    display: block;
    z-index: 0;
    pointer-events: none;
}

header,
nav,
.container,
footer {
    position: relative;
    z-index: 1;
}

/* 橫幅 Hero Section */
.hero {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero h1,
.hero p {
    margin: 0;
    padding: 0.5rem;
}

.hero h1 {
    font-size: 2.5rem;
    line-height: 1.2;
    color: var(--yellow);
    text-shadow: 0 0 30px rgba(255, 221, 0, 0.8);
}

.hero p {
    font-size: 1.2rem;
    color: var(--gray);
}

.btn {
    display: inline-block;
    padding: 10px 30px;
    background: var(--yellow);
    color: #000;
    font-weight: bold;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s;
}

.btn:hover {
    transform: scale(1.1);
    background: #FFEE66;
}


/* 區塊容器 */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px;
}

.section-title {
    color: var(--yellow);
    text-align: center;
    font-size: 1.35rem;
    letter-spacing: 3px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.section-title::after {
    content: "";
    display: block;
    width: 50px;
    height: 3px;
    background: var(--yellow);
    margin: 15px auto 0;
}

.subtitle-wrap {
    margin: 4px auto 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.subtitle-wrap::before,
.subtitle-wrap::after {
    content: "";
    flex: 1;
    height: 2px;
    background-color: var(--yellow);
    max-width: 56px;
    opacity: 0.7;
}

.sub-title {
    font-size: 0.72rem;
    color: #7e7e7e;
    letter-spacing: 2.4px;
    margin: 0 18px;
}



.story-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background: linear-gradient(135deg, var(--surface-soft) 0%, #ffffff 100%);
    border: 1px solid rgba(255, 204, 0, 0.18);
    border-radius: 14px;
    padding: 30px;
    transition: 0.4s;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--yellow);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.14);
}

.card h3 {
    color: #2e2e2e;
    margin-bottom: 15px;
}

.card p {
    color: #585858;
}

/* 統一 section 版型 */
section {
    margin-top: 0 !important;
    margin-bottom: 60px;
    background: var(--surface);
    padding: 44px 36px;
    border-radius: 16px;
    border: 1px solid rgba(255, 204, 0, 0.15);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.15);
    position: relative;
    z-index: 10;
}

/* 作品列表表格 */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    border-radius: 12px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

table th {
    background-color: var(--yellow);
    color: var(--black);
    padding: 12px;
}

table td {
    padding: 12px;
    border-bottom: 1px solid #ececec;
    text-align: center;
    color: #4a4a4a;
}

a {
    color: var(--text-color);
    text-decoration: none;
}

.story-archive {
    overflow: hidden;
}

/* 備註：移除主軸上方獨立鑽石後，將主軸上下邊界微調 4px，保留你要的留白節奏 */
.merged-storyline {
    position: relative;
    padding-top: 18px;
    padding-bottom: 4px;
    max-width: 960px;
    margin: 0 auto;
}

/* 備註：主軸往上/下各延伸 4px，避免線段在視覺上被截斷 */
.merged-storyline::before {
    content: "";
    position: absolute;
    top: -4px;
    bottom: -4px;
    left: 50%;
    width: 4px;
    transform: translateX(-50%);
    background: linear-gradient(180deg, #ffde5f 0%, #ffcc00 45%, #f3b700 100%);
    border-radius: 8px;
}

.story-node {
    position: relative;
    width: calc(50% - 34px);
    margin-bottom: 28px;
    padding: 16px 18px;
    background: linear-gradient(135deg, var(--surface-soft) 0%, #fff 100%);
    border: 1px solid rgba(255, 204, 0, 0.18);
    border-radius: 12px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.1);
}

/* 備註：改回 Font Awesome 鑽石圖示，並加上 border-box 讓圓圈節點中心準確對齊主軸 */
.story-node::before {
    content: "\f3a5";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    top: 6px;
    width: 30px;
    height: 30px;
    box-sizing: border-box;
    display: grid;
    place-items: center;
    line-height: 1;
    border-radius: 50%;
    background: #fffdf5;
    color: #e0b400;
    /* border: 2px solid var(--yellow);
    box-shadow: 0 0 0 4px var(--surface), 0 4px 10px rgba(0, 0, 0, 0.14); */
    z-index: 2;
}

/* 備註：時間標籤改成 concert 的日期章語言，並把字級放大到原本兩倍以上 */
.story-node::after {
    content: attr(data-era);
    position: absolute;
    top: -14px;
    background-color: var(--yellow);
    color: #303030;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    border-radius: 7px;
    padding: 3px 9px;
    border: 2px solid #fff;
    box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.16);
    z-index: 3;
}

/* 備註：改用奇偶自動分邊，新增中間節點時不需要手動加 class */
.merged-storyline .story-node:nth-of-type(odd) {
    margin-right: auto;
    margin-top: 30px;
}

.merged-storyline .story-node:nth-of-type(odd)::before {
    right: -49px;
}

.merged-storyline .story-node:nth-of-type(odd)::after {
    right: -10px;
    top: -20px;
    transform: rotate(30deg);
}

.merged-storyline .story-node:nth-of-type(even) {
    margin-left: auto;
    margin-top: 10px;
}

.merged-storyline .story-node:nth-of-type(even)::before {
    left: -49px;
}

.merged-storyline .story-node:nth-of-type(even)::after {
    left: -10px;
    top: -20px;
    transform: rotate(-30deg);
}

.story-node h3 {
    color: #303030;
    margin-bottom: 8px;
    font-size: 1rem;
    line-height: 1.5;
}

.story-node p {
    color: #575757;
    font-size: 0.9rem;
    line-height: 1.7;
}

@media (max-width: 900px) {

    /* 備註：手機版主軸維持在左側，避免鑽石與內容互相遮擋 */
    .merged-storyline::before {
        left: 18px;
        transform: none;
    }

    .story-node {
        width: calc(100% - 44px);
        margin-left: 44px;
    }

    .story-node {
        margin-right: 0;
        margin-left: 44px;
    }

    .story-node::before {
        left: -39px;
        right: auto;
    }

    .story-node::after {
        left: 14px;
        right: auto;
        transform: rotate(-8deg);
    }
}

/* 頁尾 */
footer {
    background-color: var(--black);
    color: white;
    text-align: center;
    padding: 50px 0 20px;
}

.highlight {
    color: var(--dark-yellow);
    font-weight: bold;
}