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

body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
    line-height: 1.6;
    color: #333;
    background:
        radial-gradient(ellipse at 20% 10%, #87ceeb 0%, transparent 50%),
        radial-gradient(ellipse at 80% 30%, #98d8e8 0%, transparent 60%),
        radial-gradient(ellipse at 40% 80%, #b0e0e6 0%, transparent 40%),
        linear-gradient(180deg, #87ceeb 0%, #98d8e8 40%, #add8e6 100%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    right: 0;
    width: 50%;
    height: 60%;
    background:
        radial-gradient(ellipse at 85% 15%, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.15) 25%, rgba(255, 255, 255, 0.05) 50%, transparent 70%),
        radial-gradient(ellipse at 70% 25%, rgba(255, 215, 0, 0.1) 0%, transparent 40%);
    z-index: -2;
    pointer-events: none;
}

.sunny-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, #ffd700, #ff6b35, #ff1744, #9c27b0, #3f51b5, #00bcd4, #4caf50);
    z-index: 1000;
    transition: width 0.1s ease;
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.6);
}

.sunny-sky-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.sunny-sky-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        linear-gradient(180deg,
            #87ceeb 0%,
            #98d8e8 20%,
            #add8e6 40%,
            #b0e0e6 60%,
            #e0f6ff 80%,
            #f0f8ff 100%);
    animation: sunny-sky-shift 30s ease-in-out infinite;
}

@keyframes sunny-sky-shift {

    0%,
    100% {
        background: linear-gradient(180deg, #87ceeb 0%, #98d8e8 20%, #add8e6 40%, #b0e0e6 60%, #e0f6ff 80%, #f0f8ff 100%);
    }

    50% {
        background: linear-gradient(180deg, #4169e1 0%, #6495ed 20%, #87ceeb 40%, #add8e6 60%, #e0f6ff 80%, #f0f8ff 100%);
    }
}

.sunny-clouds-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.sunny-cloud {
    position: absolute;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50px;
    opacity: 0.7;
    animation: sunny-cloud-float linear infinite;
}

.sunny-cloud::before,
.sunny-cloud::after {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50px;
}

.sunny-cloud-1 {
    width: 80px;
    height: 40px;
    top: 15%;
    left: -100px;
    animation-duration: 45s;
    animation-delay: 0s;
}

.sunny-cloud-1::before {
    width: 50px;
    height: 50px;
    top: -25px;
    left: 10px;
}

.sunny-cloud-1::after {
    width: 60px;
    height: 40px;
    top: -15px;
    right: 10px;
}

.sunny-cloud-2 {
    width: 100px;
    height: 50px;
    top: 25%;
    left: -120px;
    animation-duration: 60s;
    animation-delay: 10s;
}

.sunny-cloud-2::before {
    width: 60px;
    height: 60px;
    top: -30px;
    left: 15px;
}

.sunny-cloud-2::after {
    width: 70px;
    height: 50px;
    top: -20px;
    right: 15px;
}

.sunny-cloud-3 {
    width: 70px;
    height: 35px;
    top: 35%;
    left: -90px;
    animation-duration: 50s;
    animation-delay: 20s;
}

.sunny-cloud-3::before {
    width: 45px;
    height: 45px;
    top: -20px;
    left: 8px;
}

.sunny-cloud-3::after {
    width: 55px;
    height: 35px;
    top: -12px;
    right: 8px;
}

.sunny-cloud-4 {
    width: 90px;
    height: 45px;
    top: 45%;
    left: -110px;
    animation-duration: 55s;
    animation-delay: 30s;
}

.sunny-cloud-4::before {
    width: 55px;
    height: 55px;
    top: -25px;
    left: 12px;
}

.sunny-cloud-4::after {
    width: 65px;
    height: 45px;
    top: -18px;
    right: 12px;
}

.sunny-cloud-5 {
    width: 60px;
    height: 30px;
    top: 55%;
    left: -80px;
    animation-duration: 40s;
    animation-delay: 40s;
}

.sunny-cloud-5::before {
    width: 40px;
    height: 40px;
    top: -18px;
    left: 6px;
}

.sunny-cloud-5::after {
    width: 50px;
    height: 30px;
    top: -10px;
    right: 6px;
}

.sunny-cloud-dynamic {
    width: 80px;
    height: 40px;
    animation: sunny-cloud-float 40s linear;
}

.sunny-cloud-dynamic::before {
    width: 50px;
    height: 50px;
    top: -25px;
    left: 10px;
}

.sunny-cloud-dynamic::after {
    width: 60px;
    height: 40px;
    top: -15px;
    right: 10px;
}

@keyframes sunny-cloud-float {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(calc(100vw + 200px));
    }
}

.sunny-sun {
    position: absolute;
    top: 10%;
    right: 10%;
    width: 120px;
    height: 120px;
    z-index: -2;
}

.sunny-sun-core {
    width: 80px;
    height: 80px;
    background:
        radial-gradient(circle at 30% 30%,
            #fff700 0%,
            #ffed4e 20%,
            #ffd700 40%,
            #ffb347 60%,
            #ff8c00 80%,
            #ff6b35 100%);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow:
        0 0 30px rgba(255, 215, 0, 0.6),
        0 0 60px rgba(255, 215, 0, 0.4),
        0 0 90px rgba(255, 215, 0, 0.2);
    animation: sunny-sun-pulse 4s ease-in-out infinite;
}

@keyframes sunny-sun-pulse {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        box-shadow:
            0 0 30px rgba(255, 215, 0, 0.6),
            0 0 60px rgba(255, 215, 0, 0.4),
            0 0 90px rgba(255, 215, 0, 0.2);
    }

    50% {
        transform: translate(-50%, -50%) scale(1.1);
        box-shadow:
            0 0 40px rgba(255, 215, 0, 0.8),
            0 0 80px rgba(255, 215, 0, 0.6),
            0 0 120px rgba(255, 215, 0, 0.3);
    }
}

.sunny-sun-rays {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    animation: sunny-rays-rotate 20s linear infinite;
}

.sunny-ray {
    position: absolute;
    width: 3px;
    height: 20px;
    background: linear-gradient(to bottom, rgba(255, 215, 0, 0.8), transparent);
    border-radius: 2px;
    transform-origin: center bottom;
}

.sunny-ray-1 {
    top: 0;
    left: 50%;
    transform: translateX(-50%) rotate(0deg);
}

.sunny-ray-2 {
    top: 15%;
    right: 15%;
    transform: rotate(45deg);
}

.sunny-ray-3 {
    top: 50%;
    right: 0;
    transform: translateY(-50%) rotate(90deg);
}

.sunny-ray-4 {
    bottom: 15%;
    right: 15%;
    transform: rotate(135deg);
}

.sunny-ray-5 {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) rotate(180deg);
}

.sunny-ray-6 {
    bottom: 15%;
    left: 15%;
    transform: rotate(225deg);
}

.sunny-ray-7 {
    top: 50%;
    left: 0;
    transform: translateY(-50%) rotate(270deg);
}

.sunny-ray-8 {
    top: 15%;
    left: 15%;
    transform: rotate(315deg);
}

@keyframes sunny-rays-rotate {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.sunny-rainbow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 200px;
    opacity: 0;
    transition: opacity 2s ease-in-out;
}

.sunny-rainbow.sunny-rainbow-active {
    opacity: 0.8;
    animation: sunny-rainbow-appear 5s ease-in-out;
}

@keyframes sunny-rainbow-appear {
    0% {
        opacity: 0;
        transform: translateX(-50%) scale(0.8);
    }

    20% {
        opacity: 0.8;
        transform: translateX(-50%) scale(1);
    }

    80% {
        opacity: 0.8;
        transform: translateX(-50%) scale(1);
    }

    100% {
        opacity: 0;
        transform: translateX(-50%) scale(0.8);
    }
}

.sunny-rainbow-arc {
    position: absolute;
    border-radius: 50%;
    border-style: solid;
    border-bottom: none;
    border-left: none;
    border-right: none;
}

.sunny-arc-red {
    width: 400px;
    height: 200px;
    border-top: 8px solid #ff0000;
    top: 0;
    left: 0;
}

.sunny-arc-orange {
    width: 380px;
    height: 190px;
    border-top: 8px solid #ff8c00;
    top: 5px;
    left: 10px;
}

.sunny-arc-yellow {
    width: 360px;
    height: 180px;
    border-top: 8px solid #ffd700;
    top: 10px;
    left: 20px;
}

.sunny-arc-green {
    width: 340px;
    height: 170px;
    border-top: 8px solid #00ff00;
    top: 15px;
    left: 30px;
}

.sunny-arc-blue {
    width: 320px;
    height: 160px;
    border-top: 8px solid #0000ff;
    top: 20px;
    left: 40px;
}

.sunny-arc-indigo {
    width: 300px;
    height: 150px;
    border-top: 8px solid #4b0082;
    top: 25px;
    left: 50px;
}

.sunny-arc-violet {
    width: 280px;
    height: 140px;
    border-top: 8px solid #8b00ff;
    top: 30px;
    left: 60px;
}

.sunny-light-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.sunny-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 215, 0, 0.8);
    border-radius: 50%;
    animation: sunny-particle-float 4s ease-in-out infinite;
    box-shadow: 0 0 6px rgba(255, 215, 0, 0.6);
}

.sunny-particle-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.sunny-particle-2 {
    top: 30%;
    left: 80%;
    animation-delay: 0.5s;
}

.sunny-particle-3 {
    top: 50%;
    left: 20%;
    animation-delay: 1s;
}

.sunny-particle-4 {
    top: 60%;
    left: 70%;
    animation-delay: 1.5s;
}

.sunny-particle-5 {
    top: 80%;
    left: 30%;
    animation-delay: 2s;
}

.sunny-particle-6 {
    top: 40%;
    left: 60%;
    animation-delay: 2.5s;
}

.sunny-particle-7 {
    top: 70%;
    left: 50%;
    animation-delay: 3s;
}

.sunny-particle-8 {
    top: 90%;
    left: 80%;
    animation-delay: 3.5s;
}

.sunny-particle-dynamic {
    animation: sunny-particle-float 4s ease-in-out;
}

@keyframes sunny-particle-float {

    0%,
    100% {
        transform: translateY(0) scale(0.8);
        opacity: 0.6;
    }

    50% {
        transform: translateY(-20px) scale(1.2);
        opacity: 1;
    }
}

.sunny-sunbeams {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.sunny-beam {
    position: absolute;
    background: linear-gradient(45deg, transparent, rgba(255, 215, 0, 0.1), transparent);
    opacity: 0.3;
    animation: sunny-beam-sweep 8s ease-in-out infinite;
}

.sunny-beam-1 {
    width: 200px;
    height: 100vh;
    top: 0;
    left: 20%;
    transform: rotate(15deg);
    animation-delay: 0s;
}

.sunny-beam-2 {
    width: 150px;
    height: 100vh;
    top: 0;
    left: 50%;
    transform: rotate(-10deg);
    animation-delay: 2s;
}

.sunny-beam-3 {
    width: 180px;
    height: 100vh;
    top: 0;
    left: 70%;
    transform: rotate(20deg);
    animation-delay: 4s;
}

@keyframes sunny-beam-sweep {

    0%,
    100% {
        opacity: 0;
        transform: translateX(-50px) rotate(15deg);
    }

    50% {
        opacity: 0.3;
        transform: translateX(50px) rotate(15deg);
    }
}

.sunny-birds {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.sunny-bird {
    position: absolute;
    width: 20px;
    height: 15px;
    animation: sunny-bird-fly 25s linear infinite;
}

.sunny-bird-1 {
    top: 25%;
    left: -30px;
    animation-delay: 0s;
}

.sunny-bird-2 {
    top: 30%;
    left: -40px;
    animation-delay: 5s;
}

.sunny-bird-3 {
    top: 35%;
    left: -50px;
    animation-delay: 10s;
}

.sunny-wing {
    position: absolute;
    width: 8px;
    height: 3px;
    background: #333;
    border-radius: 50%;
    animation: sunny-wing-flap 0.5s ease-in-out infinite;
}

.sunny-wing-left {
    top: 6px;
    left: 2px;
    transform-origin: right center;
}

.sunny-wing-right {
    top: 6px;
    right: 2px;
    transform-origin: left center;
}

@keyframes sunny-bird-fly {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(calc(100vw + 100px));
    }
}

@keyframes sunny-wing-flap {

    0%,
    100% {
        transform: rotateY(0deg);
    }

    50% {
        transform: rotateY(60deg);
    }
}

.breadcrumb {
    padding: 20px 0 12px 0;
    margin-bottom: 20px;
    position: relative;
}

.breadcrumb-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 20px;
    font-size: 14px;
    color: #333;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.breadcrumb a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    gap: 20px;
    position: relative;
}

.main-content {
    flex: 1;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.8);
    color: #333;
}

.main-content .posts-header {
    background: rgba(255, 255, 255, 0.98);
    color: #333;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.main-content .post-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    color: #333;
}

.main-content .post-item:hover {
    background: rgba(255, 215, 0, 0.05);
}

.main-content .post-title {
    color: #333;
}

.main-content .post-title:hover {
    color: #ff6b35;
}

.main-content .post-excerpt {
    color: #666;
}

.main-content .post-meta,
.main-content .post-stats {
    color: #999;
}

.sidebar {
    width: 300px;
    flex-shrink: 0;
}

.widget {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.8);
    color: #333;
}

.widget-title {
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

.widget-content {
    padding: 20px;
    color: #666;
}

.widget-content a {
    color: #333;
}

.widget-content a:hover {
    color: #ff6b35;
}

.sunny-ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 215, 0, 0.3);
    transform: scale(0);
    animation: sunny-ripple-animation 0.6s linear;
    pointer-events: none;
}

@keyframes sunny-ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

.sunny-fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: sunny-fadeInUp 0.6s ease forwards;
}

@keyframes sunny-fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
        padding: 0 15px;
    }

    .breadcrumb-inner {
        margin: 0 15px;
        padding: 12px 15px;
    }

    .sidebar {
        width: 100%;
    }

    .sunny-sun {
        width: 80px;
        height: 80px;
        top: 5%;
        right: 5%;
    }

    .sunny-sun-core {
        width: 60px;
        height: 60px;
    }

    .sunny-sun-rays {
        width: 80px;
        height: 80px;
    }

    .sunny-rainbow {
        width: 300px;
        height: 150px;
    }

    .sunny-arc-red {
        width: 300px;
        height: 150px;
    }

    .sunny-arc-orange {
        width: 285px;
        height: 142px;
        top: 4px;
        left: 7px;
    }

    .sunny-arc-yellow {
        width: 270px;
        height: 135px;
        top: 8px;
        left: 15px;
    }

    .sunny-arc-green {
        width: 255px;
        height: 127px;
        top: 12px;
        left: 22px;
    }

    .sunny-arc-blue {
        width: 240px;
        height: 120px;
        top: 15px;
        left: 30px;
    }

    .sunny-arc-indigo {
        width: 225px;
        height: 112px;
        top: 19px;
        left: 37px;
    }

    .sunny-arc-violet {
        width: 210px;
        height: 105px;
        top: 22px;
        left: 45px;
    }

    .sunny-birds {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {

    .sunny-sun-core,
    .sunny-sun-rays,
    .sunny-cloud,
    .sunny-particle,
    .sunny-beam,
    .sunny-bird,
    .sunny-wing {
        animation: none;
    }
}


body.sunny-dark-mode {
    background:
        radial-gradient(ellipse at 20% 10%, #1a1a3a 0%, transparent 50%),
        radial-gradient(ellipse at 80% 30%, #16213e 0%, transparent 60%),
        radial-gradient(ellipse at 40% 80%, #0f1419 0%, transparent 40%),
        linear-gradient(180deg, #0a0a1a 0%, #0d1117 40%, #000 100%);
}

body.sunny-dark-mode .sunny-sky-gradient {
    background:
        linear-gradient(180deg,
            #1a1a3a 0%,
            #16213e 20%,
            #0f1419 40%,
            #0a0a1a 60%,
            #0d1117 80%,
            #000 100%);
}

body.sunny-dark-mode .main-content,
body.sunny-dark-mode .widget {
    background: rgba(13, 17, 23, 0.95);
    color: #e6e6e6;
    border-color: rgba(255, 255, 255, 0.08);
}

body.sunny-dark-mode .breadcrumb-inner {
    background: rgba(13, 17, 23, 0.9);
    color: #bbb;
    border-color: rgba(255, 255, 255, 0.08);
}