/* ========================================
   EDITORIAL DARK — 个人导航杂志
   ======================================== */

:root {
    /* 杂志调色板:暖暗,非典型深色 UI */
    --paper:        #F5F0E8;   /* 奶油纸色,主文字 */
    --paper-dim:    #B8B0A0;   /* 副文字 */
    --paper-mute:   #6E665A;   /* 辅助文字 */
    --ink:          #14110D;   /* 深炭,主背景 */
    --ink-soft:     #1F1B16;   /* 略浅背景 */
    --ink-elev:     #2A251E;   /* 卡片底 */
    --rule:         #3D352A;   /* 分割线 */

    /* 重点色 */
    --crimson:      #B33A3A;   /* 深褐红,链接/重点 */
    --crimson-soft: #8C2C2C;
    --gold:         #C9A961;   /* 橄榄金,辅助强调 */
    --moss:         #5A6B4F;   /* 苔藓绿,点缀 */
    --indigo:       #4A5A8A;   /* 钢蓝,辅助 */

    /* 字体 */
    --font-display: 'Fraunces', 'Source Han Serif SC', 'Noto Serif SC', serif;
    --font-body:    'Inter Tight', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-mono:    'JetBrains Mono', 'Courier New', monospace;

    /* 排版尺度 */
    --gutter: clamp(20px, 4vw, 56px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
    background: var(--ink);
    color: var(--paper);
    font-family: var(--font-body);
    line-height: 1.55;
    min-height: 100vh;
    overflow-x: hidden;
    /* 纸张底色:深炭 + 极淡的暖色渐变,模拟印刷品 */
    background-image:
        radial-gradient(ellipse 80% 60% at 20% 10%, rgba(201,169,97,0.06), transparent),
        radial-gradient(ellipse 70% 50% at 80% 90%, rgba(179,58,58,0.05), transparent),
        linear-gradient(180deg, var(--ink) 0%, #181410 50%, var(--ink) 100%);
}

/* ========================================
   噪点纹理:覆盖全屏,模拟胶印颗粒感
   ======================================== */
.grain {
    position: fixed; inset: 0;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.35;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.95  0 0 0 0 0.92  0 0 0 0 0.85  0 0 0 0.12 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    animation: grainShift 8s steps(10) infinite;
}

@keyframes grainShift {
    0%,100% { transform: translate(0,0); }
    10% { transform: translate(-2%,1%); }
    20% { transform: translate(1%,-2%); }
    30% { transform: translate(-1%,2%); }
    40% { transform: translate(2%,-1%); }
    50% { transform: translate(-2%,-2%); }
    60% { transform: translate(1%,2%); }
    70% { transform: translate(2%,1%); }
    80% { transform: translate(-1%,-1%); }
    90% { transform: translate(-2%,-1%); }
}

/* ========================================
   顶部刊头
   ======================================== */
.masthead {
    max-width: 1320px;
    margin: 0 auto;
    padding: clamp(28px, 5vw, 60px) var(--gutter) 24px;
}

.masthead-top {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--paper-mute);
    margin-bottom: 18px;
}
.masthead-top .dot { color: var(--crimson); font-size: 7px; }
.masthead-top .date, .masthead-top .weather { color: var(--paper-dim); }

.masthead-rule {
    height: 1px;
    background: var(--paper);
    margin: 14px 0;
    position: relative;
}
.masthead-rule::after {
    content: '';
    position: absolute;
    inset: 2px 0;
    border-top: 1px solid var(--paper);
    border-bottom: 1px solid var(--paper);
    height: 5px;
    background: transparent;
}

.title {
    font-family: var(--font-display);
    font-weight: 400;
    font-style: normal;
    font-size: clamp(64px, 13vw, 200px);
    line-height: 0.92;
    letter-spacing: -0.04em;
    color: var(--paper);
    margin: 18px 0 8px;
    text-align: center;
    font-variation-settings: "opsz" 144;
    animation: inkRise 1.4s cubic-bezier(0.2, 0.8, 0.2, 1) both;
    position: relative;
}

.title::before, .title::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: clamp(80px, 20vw, 240px);
    height: 1px;
    background: var(--crimson);
    opacity: 0.7;
}
.title::before { top: -12px; }
.title::after  { bottom: -8px; }

.title-line {
    display: inline-block;
    font-style: italic;
    font-weight: 300;
}

.tagline {
    text-align: center;
    font-family: var(--font-display);
    font-size: clamp(15px, 1.6vw, 19px);
    color: var(--paper-dim);
    margin: 24px 0 8px;
    font-weight: 400;
    letter-spacing: 0.02em;
}
.tagline em { font-style: italic; color: var(--gold); font-weight: 500; }
.tagline-tail { color: var(--paper-mute); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; }

.masthead-bottom {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--paper-mute);
    margin-top: 14px;
    padding: 0 4px;
}

/* ========================================
   卡片网格:不对称排版
   ======================================== */
.canvas {
    max-width: 1320px;
    margin: 0 auto;
    padding: 32px var(--gutter) 60px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: clamp(16px, 2vw, 28px);
    margin-top: 24px;
}

/* 占位:墨水未干 */
.placeholder-page {
    grid-column: 1 / -1;
    padding: 60px 0;
    display: flex;
    flex-direction: column;
    gap: 18px;
    align-items: center;
}
.ink-line {
    height: 2px;
    width: 60%;
    background: linear-gradient(90deg, transparent, var(--paper-mute) 20%, var(--paper-mute) 80%, transparent);
    opacity: 0.4;
    animation: inkPulse 2s ease-in-out infinite;
}
.ink-line.short { width: 30%; animation-delay: 0.3s; }
.ink-line:nth-child(3) { animation-delay: 0.6s; }
@keyframes inkPulse {
    0%,100% { opacity: 0.2; transform: scaleX(0.95); }
    50% { opacity: 0.6; transform: scaleX(1); }
}

/* ========================================
   卡片:杂志文章卡
   ======================================== */
.card {
    grid-column: span 4;
    position: relative;
    background: var(--ink-elev);
    border: 1px solid var(--rule);
    border-radius: 2px;     /* 故意小圆角,印刷感 */
    padding: 28px 26px 26px;
    transition: all 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
    overflow: hidden;
    /* 入场动画 */
    opacity: 0;
    transform: translateY(30px);
    animation: cardRise 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

/* 不对称节奏:第 2、5、8 张卡片做"特写"更大 */
.card:nth-child(7n+2) { grid-column: span 7; }
.card:nth-child(7n+5) { grid-column: span 5; grid-row: span 1; }
.card:nth-child(7n+6) { grid-column: span 7; }
.card:nth-child(7n)   { grid-column: span 12; }

/* 卡片左侧色条:编辑标记 */
.card::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--crimson);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.card:nth-child(3n)::before { background: var(--gold); }
.card:nth-child(5n)::before { background: var(--moss); }
.card:nth-child(7n)::before { background: var(--indigo); width: 6px; }

.card:hover { transform: translateY(-4px); border-color: var(--paper-dim); }
.card:hover::before { transform: scaleY(1); }

/* 卡片编号:杂志页码 */
.card-num {
    position: absolute;
    top: 14px;
    right: 18px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--paper-mute);
    letter-spacing: 0.1em;
}

.card-logo {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--paper);
    color: var(--ink);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    overflow: hidden;
    border: 1px solid var(--rule);
    transition: transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
    flex-shrink: 0;
}
.card-logo img { width: 100%; height: 100%; object-fit: cover; }
.card-logo .placeholder {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 500;
    font-style: italic;
    color: var(--ink);
    line-height: 1;
}
.card:hover .card-logo { transform: rotate(-8deg) scale(1.05); }

.card-title {
    font-family: var(--font-display);
    font-size: clamp(22px, 2.6vw, 36px);
    font-weight: 400;
    font-style: normal;
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--paper);
    margin-bottom: 8px;
    font-variation-settings: "opsz" 96;
    transition: color 0.4s;
}
.card:nth-child(7n+2) .card-title,
.card:nth-child(7n+6) .card-title,
.card:nth-child(7n)   .card-title {
    font-size: clamp(28px, 3.6vw, 56px);
    font-style: italic;
}
.card:hover .card-title { color: var(--gold); }

.card-subtitle {
    font-size: 14px;
    color: var(--paper-dim);
    margin-bottom: 24px;
    line-height: 1.5;
    max-width: 42ch;
    font-style: italic;
    font-family: var(--font-display);
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--paper-mute);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 18px;
    padding-top: 14px;
    border-top: 1px solid var(--rule);
}
.card-meta .dot { color: var(--crimson); font-size: 7px; }

.card-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.04em;
    border-radius: 999px;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    cursor: pointer;
    border: 1px solid;
    position: relative;
    overflow: hidden;
}

/* 主按钮:印刷油墨 */
.btn-primary {
    background: var(--paper);
    color: var(--ink);
    border-color: var(--paper);
}
.btn-primary::before {
    content: '';
    position: absolute; inset: 0;
    background: var(--crimson);
    transform: translateY(101%);
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    z-index: -1;
}
.btn-primary:hover { color: var(--paper); border-color: var(--crimson); }
.btn-primary:hover::before { transform: translateY(0); }

/* 边框按钮 */
.btn-outline {
    background: transparent;
    color: var(--paper);
    border-color: var(--paper-dim);
}
.btn-outline:hover {
    border-color: var(--gold);
    color: var(--gold);
    background: rgba(201, 169, 97, 0.08);
}

/* 幽灵按钮:文字链 */
.btn-ghost {
    background: transparent;
    color: var(--paper-dim);
    border-color: transparent;
    padding: 9px 4px;
}
.btn-ghost::after {
    content: '→';
    transition: transform 0.3s;
    margin-left: 4px;
}
.btn-ghost:hover { color: var(--crimson); }
.btn-ghost:hover::after { transform: translateX(4px); }

.btn .arrow { font-size: 11px; opacity: 0.7; }

@keyframes cardRise {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes inkRise {
    0% { opacity: 0; transform: translateY(20px) scale(0.96); filter: blur(8px); }
    100% { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}

/* ========================================
   空状态
   ======================================== */
.empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    color: var(--paper-mute);
    font-family: var(--font-display);
    font-style: italic;
    font-size: 22px;
}
.empty::before {
    content: '§';
    display: block;
    font-size: 48px;
    color: var(--crimson);
    margin-bottom: 18px;
    font-style: normal;
    font-weight: 700;
}

/* ========================================
   页脚:版权页
   ======================================== */
.colophon {
    max-width: 1320px;
    margin: 40px auto 0;
    padding: 32px var(--gutter) 60px;
}

.colophon-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}
.col {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.col-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--paper-mute);
}
.col-val {
    font-family: var(--font-display);
    font-size: 15px;
    color: var(--paper);
    font-style: italic;
}

.colophon-rule {
    height: 1px;
    background: linear-gradient(90deg, var(--paper) 0%, var(--paper) 30%, transparent 30%, transparent 35%, var(--paper) 35%, var(--paper) 50%, transparent 50%, transparent 55%, var(--paper) 55%, var(--paper) 70%, transparent 70%);
    margin-bottom: 18px;
}

.colophon-tail {
    text-align: center;
    font-family: var(--font-display);
    font-style: italic;
    color: var(--paper-mute);
    font-size: 14px;
    letter-spacing: 0.1em;
}

/* ========================================
   响应式
   ======================================== */
@media (max-width: 900px) {
    .grid { grid-template-columns: repeat(6, 1fr); }
    .card,
    .card:nth-child(7n+2),
    .card:nth-child(7n+5),
    .card:nth-child(7n+6),
    .card:nth-child(7n) { grid-column: span 6; }
    .colophon-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
    .grid { grid-template-columns: 1fr; }
    .card,
    .card:nth-child(n) { grid-column: span 1; }
    .colophon-grid { grid-template-columns: 1fr 1fr; }
    .masthead-bottom { font-size: 9px; gap: 8px; flex-wrap: wrap; }
}

/* 滚动条 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: var(--rule); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--crimson); }

/* 选中文字 */
::selection { background: var(--crimson); color: var(--paper); }