body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  background-color: #f5f5f5;
  color: #222;
}

/* 顶部导航 */
nav {
  background: #000;

  padding: 18px 20px;

  display: flex;
  justify-content: center;
  align-items: center;

  gap: 30px;

  flex-wrap: nowrap;

  white-space: nowrap;
}

nav a {
  color: #fff;

  text-decoration: none;

  font-size: 15px;

  letter-spacing: 1px;

  flex-shrink: 0;

  transition: 0.3s;
}

nav a:hover {
  opacity: 0.7;
}

/* 头部 */
header {
  padding: 48px 20px 28px;
  text-align: center;
  background: #fff;
}

header h1 {
  font-size: 48px;
  margin-bottom: 10px;
}

header p {

  font-size: 18px;

  color: #666;

  letter-spacing: 6px;

  font-weight: 300;

  line-height: 2;
}

/* 主体内容 */
main {
  max-width: 800px;
  margin: 60px auto;
  padding: 0 20px;
}

section {
  margin-bottom: 60px;
  text-align: center;
}

h2 {
  font-size: 28px;
  margin-bottom: 20px;
}

p {
  font-size: 18px;
  line-height: 1.8;
  color: #444;
}

/* 页脚 */
footer {
  text-align: center;
  padding: 40px;
  color: #888;
}
.hero {
  height: 70vh;
  background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)),
              url("https://images.unsplash.com/photo-1500530855697-b586d89ba3ee");
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-content h1 {
  color: #fff;
  font-size: 64px;
  margin-bottom: 20px;
}

.hero-content p {
  color: #eee;
  font-size: 20px;
}
.title-adjust {
    position: relative;
    left: 0.2em;
}
.highlight-big {
    font-size: 1.15em;
    font-weight: 600;
    color: #d35400;
}
h1 {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.4;
}
.title-main {
    font-size: 2em;
    font-weight: 600;
    margin-bottom: 10px;
}

.title-date {
    font-size: 1.6em;
    font-weight: 600;
    color: #d35400;
    margin-bottom: 20px;
}
.info-block {
    max-width: 700px;
    margin: 40px auto;
    text-align: left;
}

/* 第一层（主信息） */
.info-main div {
    font-size: 1.1em;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

/* 标签（地点/时间） */
.label {
    display: inline-block;
    width: 50px;
    color: #999;
}

/* 第二层（参数信息） */
.info-secondary {
    margin: 25px 0;
    font-size: 1.2em;
    font-weight: 600;
    color: #d35400;
    display: flex;
    gap: 20px;
}

/* 第三层（说明） */
.info-note {
    font-size: 0.95em;
    color: #777;
    line-height: 1.6;
}
.info-art {
    max-width: 700px;
    margin: 60px auto;
    text-align: left;
    line-height: 1.8;
}

/* 地点（偏左，安静） */
.location {
    top:42%;
    font-size: 1.45em;

    line-height: 1.4;

    transform: translate(-180%, -440%);
}

/* 时间（轻微右移） */
.line-time {
    font-size: 1.3em;
    margin-left: 40px;
    margin-bottom: 25px;
}

/* 核心参数（最强） */
.line-highlight {
    font-size: 1.5em;
    font-weight: 600;
    color: #d35400;
    margin-left: 20px;
    margin-bottom: 30px;
}

/* 说明（收住） */
.line-note {
    font-size: 0.95em;
    color: #777;
    margin-left: 60px;
}
.info-explode {
    position: relative;
    height: 430px;
    margin: 10px auto 80px auto;
}
.info-explode .item {
    position: absolute;
    left: 50%;
    top: 50%;
    font-weight: 600;
}

/* 地点（块感） */
.location {
    font-size: 1.2em;
    line-height: 1.4;
    transform: translate(-180%, -210%);
}

/* 时间（视觉核心） */
.time {
    font-size: 3.2em;
    color: #d35400;
    transform: translate(-50%, -60%) scale(1.8);
}

/* 时长 */
.duration {
    font-size: 1.4em;
    transform: translate(120%, 140%);
}

/* 距离 */
.distance {
    font-size: 2.2em;
    transform: translate(-60%, 180%) scale(1.25);
}

/* 爬升 */
.climb {
    font-size: 1.6em;
    transform: translate(160%, 180%);
}

/* 难度 */
.level {
    font-size: 1.9em;
    transform: translate(-260%, 110%);
}

/* 说明 */
.note {
    font-size: 0.9em;
    color: #777;
    white-space: nowrap;
    transform: translate(-50%, 700%);
}
.sub {
    display: block;
    margin-top: 10px;
    font-size: 0.9em;
    color: #555;
}
.note {
    margin-top: 16px;
    font-size: 0.9em;
    color: #777;
}
.group-entry {
    margin: 120px auto 80px;
    text-align: center;
}

.group-title {
    font-size: 1.1em;
    color: #666;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.group-qr {
    width: 260px;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

.group-note {
    margin-top: 15px;
    font-size: 0.9em;
    color: #999;
}
.group-entry {
    margin: 120px auto 80px;
    padding: 40px 20px;
    background: #fafafa;
    border-radius: 12px;
    text-align: center;
}
.action-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 80px;

    margin: 80px auto;
}
.action-left {
    text-align: center;
}

.action-right {
    text-align: center;
    margin: 80px auto;
}

.group-qr {
    width: 240px;
    border-radius: 10px;
}

.group-note {
    margin-top: 10px;
    font-size: 0.9em;
    color: #999;
}
/* 放大背景层 */
.image-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;

    background: rgba(0,0,0,0.8);
    justify-content: center;
    align-items: center;

    z-index: 999;
}

/* 放大图片 */
.image-modal-content {
    max-width: 90%;
    max-height: 90%;
    border-radius: 10px;
}
.group-qr {
    cursor: pointer;
}
.item {
    transition: transform 0.2s ease;
}

.join-section {
    margin-top: 80px;
    padding: 40px 20px;

    border-top: 1px solid #eee;

    text-align: center;
}
.join-section h2 {
    font-size: 22px;
    margin-bottom: 15px;
}

.join-section p {
    color: #666;
    margin-bottom: 20px;
}
.join-button {
    display: inline-block;
    padding: 10px 20px;

    background: #000;
    color: #fff;

    text-decoration: none;
    border-radius: 5px;

    transition: 0.2s;
}

.join-button:hover {
    opacity: 0.7;
}
.join-section {
    margin-top: 100px;
}
.contact-hero {
    text-align: center;
    margin: 140px auto;
}

.contact-hero h1 {
    font-size: 34px;
    margin-bottom: 50px;
}

.hero-line {
    font-size: 22px;
    line-height: 1.7;
    margin-bottom: 70px;
}

.contact-note {
    margin-top: 50px;
    font-size: 14px;
    color: #999;
}
#introText {
  position: absolute;
  top: 50%;
  width: 100%;
  text-align: center;
  color: white;
  font-size: 26px;
  letter-spacing: 4px;
  opacity: 0;
  transition: 2s;
}
.countdown {
    text-align: center;
    margin: 5px 0 10px 0;
}

#countdownTimer {
    font-size: 3em;
    font-weight: 700;
    letter-spacing: 4px;

    background: linear-gradient(
        90deg,
        #ff0000,
        #ff7f00,
        #ffff00,
        #00ff00,
        #00ffff,
        #0000ff,
        #8b00ff,
        #ff0000
    );

    background-size: 300% 100%;

    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;

    text-shadow:
        0 0 10px rgba(255,255,255,0.3),
        0 0 20px rgba(255,255,255,0.2);

    animation: rainbowFlow 60s linear infinite;
}
@keyframes rainbowFlow {
    0% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 300% 50%;
    }
}.campfire-link{
    display:block;
    text-align:center;
    margin:100px auto 30px auto;

    color:#777;
    text-decoration:none;

    letter-spacing:4px;
    font-size:12px;

    transition:0.4s;
}

.campfire-link:hover{
    color:#111;
    letter-spacing:6px;
}
/* 卡片悬浮膜 */

.clickable-card{

    position:relative;
}

/* 磨砂层 */

.card-overlay{

    position:absolute;

    top:0;
    left:0;

    width:100%;
    height:160px;

    background:
    rgba(255,255,255,0.18);

    backdrop-filter:blur(10px);

    display:flex;

    justify-content:center;
    align-items:center;

    opacity:0;

    transition:0.45s;

    padding:24px;
}

/* hover时出现 */

.clickable-card:hover .card-overlay{

    opacity:1;
}

/* 文字 */

.overlay-text{

    color:white !important;

    text-align:center;

    line-height:2;

    font-size:14px;

    font-weight:300;

    text-shadow:
    0 2px 10px rgba(0,0,0,0.35);
}
/* 图片区域 */

.image-wrapper{

    position:relative;

    overflow:hidden;
}

/* 磨砂层 */

.card-overlay{

    position:absolute;

    top:0;
    left:0;

    width:100%;
    height:100%;

    background:
    rgba(255,255,255,0.12);

    backdrop-filter:blur(6px);

    display:flex;

    justify-content:center;

    align-items:flex-start;

    overflow-y:auto;

    opacity:0;

    transition:0.45s;

    padding:24px;

    padding-top:24px;
}

/* hover 出现 */

.image-wrapper:hover .card-overlay{

    opacity:1;
}

/* 文字 */

.overlay-text{

    color:white;

    text-align:center;

    line-height:2;

    font-size:14px;
    font-weight:400;
    font-weight:300;
  text-shadow:
0 2px 12px rgba(0,0,0,0.45);
}
.route-timer{

    height:220px;

    background:
    linear-gradient(
    135deg,
    #111,
    #1d1d1d,
    #2a2a2a);

    display:flex;

    flex-direction:column;

    justify-content:center;
    align-items:center;

    text-align:center;
}

.timer-city{

    color:#8f887d;

    font-size:12px;

    letter-spacing:5px;

    margin-bottom:24px;
}

.route-countdown{

    position:static;

    color:white;

    font-size:42px;

    font-weight:200;

    letter-spacing:0.08em;

    line-height:1.4;
}
.route-timer{

    height:220px;

    background:
    linear-gradient(
    135deg,
    #111,
    #1d1d1d,
    #2a2a2a);

    display:flex;

    flex-direction:column;

    justify-content:center;

    align-items:center;

    text-align:center;
}

.timer-city{

    color:#8f887d;

    font-size:12px;

    letter-spacing:5px;

    margin-bottom:24px;
}

.route-countdown{

    position:static;

    background:
    linear-gradient(
    90deg,
    #ff6b6b,
    #ffd93d,
    #6bcB77,
    #4d96ff,
    #b983ff,
    #ff6b6b);

    background-size:300%;

    -webkit-background-clip:text;

    -webkit-text-fill-color:transparent;

    animation:
    rainbowMove 8s linear infinite;

    padding:0;

    border-radius:0;

    font-size:42px;

    font-weight:200;

    letter-spacing:0.08em;

    line-height:1.4;
}
@keyframes rainbowMove{

    0%{
        background-position:0%;
    }

    100%{
        background-position:300%;
    }

}
/* 营火之地 */

.campfire-link{

    display:inline-block;

    margin-bottom:18px;

    text-decoration:none;

    letter-spacing:5px;

    font-size:15px;

    font-weight:300;

    background:
    linear-gradient(
    90deg,
    #ff6b6b,
    #ffd93d,
    #6bcB77,
    #4d96ff,
    #b983ff,
    #ff6b6b);

    background-size:300%;

    -webkit-background-clip:text;

    -webkit-text-fill-color:transparent;

    animation:
    campfireRainbow 8s linear infinite,
    campfireBreath 3.5s ease-in-out infinite;

    transition:0.4s;
}

.campfire-link:hover{

    letter-spacing:7px;
}

/* 彩虹流动 */

@keyframes campfireRainbow{

    0%{
        background-position:0%;
    }

    100%{
        background-position:300%;
    }

}

/* 呼吸 */

@keyframes campfireBreath{

    0%{
        opacity:0.45;
        transform:scale(1);
    }

    50%{
        opacity:1;
        transform:scale(1.05);
    }

    100%{
        opacity:0.45;
        transform:scale(1);
    }

}
.word-btn{

    transition:0.4s;

    cursor:pointer;
}

.word-btn:hover{

    opacity:0.45;
}
#playBtn{

    cursor:pointer;

    transition:0.4s;
}

#playBtn:hover{

    opacity:0.45;
}
#playBtn.playing{

    background: linear-gradient(
        90deg,
        #ff0000,
        #ff7f00,
        #ffff00,
        #00ff00,
        #00ffff,
        #0000ff,
        #8b00ff,
        #ff0000
    );

    background-size:300% 100%;

    -webkit-background-clip:text;

    -webkit-text-fill-color:transparent;

    animation:
    rainbowFlow 8s linear infinite,
    firePulse 1.8s ease-in-out infinite;
}

/* 彩虹流动 */

@keyframes rainbowFlow{

    0%{
    background-position:300% 50%;
}

100%{
    background-position:0% 50%;
}
}

/* 微弱呼吸 */

@keyframes firePulse{

    0%{
        transform:scale(1);
    }

    50%{
        transform:scale(1.08);
    }

    100%{
        transform:scale(1);
    }
}
#prevBtn,
#nextBtn{

    cursor:pointer;

    transition:0.4s;
}

#prevBtn:hover,
#nextBtn:hover{

    opacity:0.45;
}
#leaderTony{
    cursor:pointer;
    transition:all .3s ease;
}

#leaderTony:hover{
    opacity:.6;
}
#leaderTony{
cursor:pointer;
transition:all .3s ease;
}

#leaderTony:hover{
opacity:.6;
}

.route-card{

```
max-width:420px;

margin:30px auto;

padding:24px;

border:1px solid #ddd;

border-radius:16px;

text-align:center;
```

}
.waiting{

    font-size:34px;

    line-height:2.1;

    font-weight:300;

    margin-bottom:60px;

}

.path-line{

width:5000px;

height:1px;

background:#999;

margin:60px 0 30px 0;

}



.walk-forward{

    color:#666;

    letter-spacing:4px;

    cursor:pointer;

    transition:.3s;

}

.walk-forward:hover{

    color:#000;

    letter-spacing:6px;

}
.question{

    font-size:30px;

    line-height:2;

    font-weight:300;

    text-align:center;

    margin-top:120px;

}
#journey{

display:flex;

flex-direction:row;

width:300vw;

height:100vh;

transition:transform 1.2s ease;

}

.scene{

width:100vw;

height:100vh;

flex-shrink:0;

display:flex;

flex-direction:column;

justify-content:center;

align-items:center;

}

.question{

    font-size:36px;

    line-height:2;

    text-align:center;

}
.answer-placeholder{
cursor:pointer;

transition:.3s;
    margin-top:90px;

    color:#8d8579;

    font-size:18px;

    letter-spacing:3px;

    font-weight:300;
  }
.answer-placeholder:hover{

    opacity:.55;


}
.empty-sign{

    display:none;

    margin-top:90px;

    font-size:18px;

    color:#8d8579;

    letter-spacing:3px;

    font-weight:300;

}
.continue-btn{

margin-top:70px;

font-size:16px;

letter-spacing:3px;

color:#8d8579;

cursor:pointer;

transition:.3s;

opacity:0;

pointer-events:none;

}

.continue-btn:hover{

opacity:.6;

}
.journey-container{

    position:relative;

}
.journey-container::before{

    content:"";

    position:absolute;

    top:50%;

    left:0;

    width:300vw;

    height:1px;

    background:#bdb6ab;

    z-index:1;

}